/* ============================================
   NANILEX - Linear-Inspired Design System
   Dark-first, minimal, purposeful
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Core Dark Palette (Linear-inspired) */
    --color-bg-base: #f4f2ed;
    --color-bg-elevated: #ffffff;
    --color-bg-subtle: #eeebe4;
    --color-bg-muted: #e7e3da;
    --color-bg-hover: #e0dbd0;

    /* Accent Colors */
    --color-accent: #7a1f2b;
    --color-accent-hover: #8f2733;
    --color-accent-muted: rgba(122, 31, 43, 0.12);
    --color-accent-subtle: rgba(122, 31, 43, 0.06);

    --color-secondary: #a8421c;
    --color-secondary-muted: rgba(168, 66, 28, 0.12);

    /* Text Colors */
    --color-text-primary: #1a1a18;
    --color-text-secondary: #4a5568;
    --color-text-tertiary: #6b7280;
    --color-text-muted: #9ca3af;

    /* Borders */
    --color-border: rgba(26, 26, 24, 0.12);
    --color-border-hover: rgba(26, 26, 24, 0.20);
    --color-border-subtle: rgba(26, 26, 24, 0.07);

    /* Status Colors */
    --color-success: #34D399;
    --color-warning: #FBBF24;
    --color-error: #F87171;

    /* Legacy compatibility */
    --color-primary: var(--color-accent);
    --color-primary-dark: #5e1721;
    --color-primary-light: #a8421c;
    --color-primary-bg: var(--color-accent-muted);
    --color-dark: #16161a;
    --color-white: #FFFFFF;
    --color-black: #000000;

    /* Gray Scale (dark mode optimized) */
    --color-gray-900: #1a1a18;
    --color-gray-800: #2d2d2a;
    --color-gray-700: #4a5568;
    --color-gray-600: #6b7280;
    --color-gray-500: #9ca3af;
    --color-gray-400: #c9c4b8;
    --color-gray-300: #ddd8cc;
    --color-gray-200: #e7e3da;
    --color-gray-100: #eeebe4;
    --color-gray-50: #f4f2ed;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Times New Roman', Times, serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 600;
    --font-weight-extrabold: 700;

    --line-height-tight: 1.1;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* Shadows (subtle for dark mode) */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 60px rgba(122, 31, 43, 0.2);
    --shadow-glow-sm: 0 0 30px rgba(122, 31, 43, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-base);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.check {
    color: var(--color-success);
    font-weight: var(--font-weight-medium);
    margin-right: var(--spacing-2);
}

/* ============================================
   Buttons - Linear Style
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
    border: 1px solid transparent;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn--ghost:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-bg-base);
}

.btn--white:hover {
    background: var(--color-gray-300);
    transform: translateY(-1px);
}

.btn--lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn--large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn__arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
    transform: translateX(3px);
}

/* ============================================
   Header & Navigation - Linear Style
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(8, 9, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
    transition: all var(--transition-base);
}

.header--scrolled {
    background: rgba(8, 9, 10, 0.95);
    border-bottom-color: var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.nav__logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #7a1f2b 0%, #7a1f2b 100%);
    border-radius: 8px;
    flex-shrink: 0;
}

.nav__logo-img {
    height: 22px;
    width: auto;
    color: #fff;
}

.nav__logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.nav__logo-beta {
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    background: var(--color-accent);
    color: var(--color-white);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-2);
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-text-primary);
}

/* Dropdown Menu */
.nav__item {
    position: relative;
}

.nav__item--dropdown {
    cursor: pointer;
}

.nav__dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
    cursor: pointer;
    padding: var(--spacing-2) 0;
}

.nav__dropdown-trigger:hover {
    color: var(--color-text-primary);
}

.nav__dropdown-icon {
    width: 14px;
    height: 14px;
    opacity: 0.5;
    transition: all var(--transition-fast);
}

.nav__item--dropdown:hover .nav__dropdown-icon,
.nav__item--dropdown.active .nav__dropdown-icon {
    transform: rotate(180deg);
    opacity: 1;
}

.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 260px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-3);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    border: 1px solid var(--color-border);
}

.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown.active .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
}

.nav__dropdown-item:hover {
    background: var(--color-bg-hover);
}

.nav__dropdown-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-accent-subtle);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.nav__dropdown-icon-wrapper svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

.nav__dropdown-content {
    flex: 1;
}

.nav__dropdown-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.nav__dropdown-desc {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    line-height: 1.4;
}

.nav__dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-2) 0;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-2);
}

/* Mobile CTA - hidden on desktop, visible on mobile next to burger */
.nav__mobile-cta {
    display: none;
}

.nav__toggle-line {
    width: 20px;
    height: 2px;
    background: var(--color-text-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__menu,
    .nav__actions {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__mobile-cta {
        display: inline-flex !important;
        font-size: 0.8125rem;
        padding: 6px 14px;
        white-space: nowrap;
    }

    .nav__menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-elevated);
        padding: var(--spacing-4);
        gap: var(--spacing-2);
        border-bottom: 1px solid var(--color-border);
    }

    .nav__actions.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding: var(--spacing-4);
        background: var(--color-bg-elevated);
        gap: var(--spacing-2);
    }

    .nav__dropdown {
        position: static;
        transform: none;
        min-width: 100%;
        box-shadow: none;
        border: none;
        padding: var(--spacing-2) 0 0 var(--spacing-4);
        opacity: 1;
        visibility: visible;
        display: none;
        background: transparent;
    }

    .nav__item--dropdown.active .nav__dropdown {
        display: block;
    }
}

/* ============================================
   Hero Section - Linear Style
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 64px;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: var(--color-bg-base);
    z-index: -1;
}

/* Subtle gradient orbs */
.hero__bg::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at 70% 30%, rgba(122, 31, 43, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero__bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 60%;
    background: radial-gradient(ellipse at 30% 70%, rgba(168, 66, 28, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    padding: var(--spacing-20) 0;
}

.hero__content {
    max-width: 560px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent-muted);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    margin-bottom: var(--spacing-6);
}

.hero__badge-icon {
    font-size: var(--font-size-base);
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, var(--font-size-6xl));
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.03em;
}

.hero__title-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hide SEO text visually when JS animation is active */

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-8);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-10);
}

.hero__cta-note {
    margin-top: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    padding: var(--spacing-6);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.hero__stat {
    text-align: center;
}

.hero__stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.hero__stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.hero__stat-divider {
    width: 1px;
    height: 32px;
    background: var(--color-border);
}

.hero__visual {
    position: relative;
}

.hero__mockup {
    position: relative;
}

.hero__mockup-img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

/* Hero Video Background */
.hero--video-bg .hero__container {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
}

.hero--video-bg .hero__content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero--video-bg .hero__stats {
    justify-content: center;
}

.hero__video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.hero__video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 15, 0.85) 0%,
        rgba(10, 10, 15, 0.75) 40%,
        rgba(10, 10, 15, 0.9) 100%
    );
}

[data-theme="light"] .hero__video-overlay {
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 15, 0.80) 0%,
        rgba(10, 10, 15, 0.70) 40%,
        rgba(10, 10, 15, 0.85) 100%
    );
}

.hero--video-bg .hero__bg {
    display: none;
}

/* ============================================
   Screenshot Frame - Glass + Gradient Effect
   ============================================ */
.screenshot-frame {
    position: relative;
    display: inline-block;
    padding: 12px;
    border-radius: calc(var(--radius-xl) + 12px);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    box-shadow:
        0 25px 50px -12px rgba(122, 31, 43, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.screenshot-frame::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: calc(var(--radius-xl) + 11px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.screenshot-frame img {
    display: block;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Variant: Subtle frame with lighter gradient */
.screenshot-frame--subtle {
    padding: 8px;
    background: linear-gradient(135deg, rgba(122, 31, 43, 0.3) 0%, rgba(168, 66, 28, 0.3) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 20px 40px -12px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.screenshot-frame--subtle::before {
    display: none;
}

/* Variant: Dark mode optimized */
.screenshot-frame--dark {
    background: linear-gradient(135deg, rgba(122, 31, 43, 0.8) 0%, rgba(124, 58, 237, 0.8) 100%);
}

/* Feature card integration */
.feature-card__visual.screenshot-frame--subtle {
    margin: var(--spacing-4) 0;
    padding: 6px;
    border-radius: calc(var(--radius-lg) + 6px);
    background: linear-gradient(135deg, rgba(122, 31, 43, 0.2) 0%, rgba(168, 66, 28, 0.2) 100%);
    border: 1px solid rgba(122, 31, 43, 0.2);
    overflow: visible;
    flex: none;
    align-self: flex-start;
    display: inline-block;
    width: fit-content;
}

.feature-card__visual.screenshot-frame--subtle img,
.feature-card__visual.screenshot-frame--subtle video {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: block;
    max-width: 100%;
    height: auto;
}

.hero__mockup-glow {
    position: absolute;
    inset: -10%;
    background: radial-gradient(ellipse at center, rgba(122, 31, 43, 0.1) 0%, transparent 60%);
    z-index: -1;
    filter: blur(40px);
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    animation: pulse 2s infinite;
}

.hero__scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* Hero Responsive */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__cta {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero__stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }

    .hero__stat-divider {
        width: 48px;
        height: 1px;
    }

    .hero__cta {
        flex-direction: column;
    }
}

/* ============================================
   Section Common Styles
   ============================================ */
.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-16);
}

.section__badge {
    display: inline-block;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section__title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   Problem Section
   ============================================ */
.problem {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-base);
}

.problem__content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.problem__stats {
    text-align: center;
    padding: var(--spacing-10);
    background: linear-gradient(135deg, rgba(248, 113, 113, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.problem__stat-main {
    margin-bottom: var(--spacing-2);
}

.problem__stat-value {
    display: block;
    font-size: clamp(3.5rem, 7vw, 5rem);
    font-weight: var(--font-weight-semibold);
    color: var(--color-error);
    line-height: 1;
}

.problem__stat-label {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: #FCA5A5;
}

.problem__stat-detail {
    font-size: var(--font-size-base);
    color: #FECACA;
    margin: 0;
}

.problem__text {
    max-width: 560px;
}

.problem__title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.02em;
}

.problem__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.problem__solution {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    padding: var(--spacing-4);
    background: var(--color-accent-subtle);
    border-left: 2px solid var(--color-accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

@media (max-width: 768px) {
    .problem__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .problem__stats {
        max-width: 280px;
        margin: 0 auto;
    }

    .problem__text {
        max-width: 100%;
    }

    .problem__solution {
        text-align: left;
    }
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-subtle);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.feature-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-muted);
}

.feature-card--large {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
}

.feature-card--highlight {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-dark) 100%);
    border: none;
    color: var(--color-white);
}

.feature-card--highlight:hover {
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    border: none;
}

.feature-card--highlight .feature-card__description {
    color: rgba(255, 255, 255, 0.8);
}

.feature-card--highlight .feature-card__list {
    color: rgba(255, 255, 255, 0.85);
}

.feature-card--highlight .feature-card__list li {
    border-top-color: rgba(255, 255, 255, 0.15);
}

/* Screenshot frame on highlighted card - lighter frame */
.feature-card--highlight .feature-card__visual.screenshot-frame--subtle {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-card--highlight .feature-card__visual.screenshot-frame--subtle img {
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-card__badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
}

.feature-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.feature-card--highlight .feature-card__icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.feature-card__icon--accent {
    background: var(--color-secondary-muted);
    color: var(--color-secondary);
}

.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.feature-card--highlight .feature-card__title {
    color: var(--color-white);
}

.feature-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.feature-card__visual {
    flex: 1;
    margin: var(--spacing-4) calc(var(--spacing-6) * -1);
    margin-bottom: var(--spacing-4);
    overflow: hidden;
}

.feature-card__visual img,
.feature-card__visual video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.feature-card__list {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.feature-card__list li {
    padding: var(--spacing-2) 0;
    border-top: 1px solid var(--color-border);
}

.feature-card__list li:first-child {
    border-top: none;
}

.feature-card__pricing {
    display: flex;
    gap: var(--spacing-6);
    margin-top: auto;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.feature-card__price {
    text-align: center;
}

.feature-card__price-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
}

.feature-card__price-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card--large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 640px) {
    .features__grid {
        grid-template-columns: 1fr;
    }

    .feature-card--large {
        grid-column: span 1;
    }
}

/* ============================================
   Security Section
   ============================================ */
.security {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-base);
}

.security__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-4);
}

.security__item {
    text-align: center;
    padding: var(--spacing-6);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.security__item:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-muted);
}

.security__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-4);
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: var(--radius-lg);
}

.security__item h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.security__item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

@media (max-width: 1024px) {
    .security__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .security__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Integrations Section
   ============================================ */
.integrations {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-subtle);
}

.integrations__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-4);
}

.integration__item {
    text-align: center;
    padding: var(--spacing-5);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.integration__item:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-muted);
}

.integration__item--coming {
    opacity: 0.6;
    border-style: dashed;
}

.integration__item--coming::before {
    content: "Bientot";
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    background: var(--color-accent-subtle);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-2);
}

.integration__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-3);
    background: var(--color-bg-muted);
    color: var(--color-text-tertiary);
    border-radius: var(--radius-lg);
}

.integration__item:hover .integration__logo {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
}

.integration__item h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.integration__item p {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
    .integrations__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .integrations__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-base);
}

.pricing__free {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-12);
    align-items: center;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-10);
    margin-bottom: var(--spacing-16);
    color: var(--color-white);
}

.pricing__free-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.pricing__free-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.02em;
}

.pricing__free-description {
    font-size: var(--font-size-lg);
    opacity: 0.85;
    margin-bottom: var(--spacing-6);
}

.pricing__free-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.pricing__free-list li {
    display: flex;
    align-items: center;
    font-size: var(--font-size-base);
}

.pricing__free-list .check {
    color: var(--color-white);
}

.pricing__free-visual {
    text-align: center;
}

.pricing__free-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.pricing__free-card-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    opacity: 0.75;
    margin-bottom: var(--spacing-2);
}

.pricing__free-card-price {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    margin-bottom: var(--spacing-2);
}

.pricing__free-card-credits {
    font-size: var(--font-size-base);
    opacity: 0.85;
}

/* Credits Section */
.pricing__credits,
.pricing__modules {
    margin-bottom: var(--spacing-12);
}

.pricing__section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.pricing__section-title svg {
    color: var(--color-accent);
}

.pricing__section-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

.pricing__packs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.pricing__pack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    transition: all var(--transition-base);
    position: relative;
}

.pricing__pack:hover {
    border-color: var(--color-accent);
}

.pricing__pack--best {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.pricing__pack-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing__pack-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-2);
}

.pricing__pack-credits {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.pricing__pack-price {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-1);
}

.pricing__pack-unit {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Simulator CTA */
.pricing__simulator-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-5);
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent-muted);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5) var(--spacing-6);
}

.pricing__simulator-cta-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.pricing__simulator-cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.pricing__simulator-cta-icon svg {
    width: 22px;
    height: 22px;
}

.pricing__simulator-cta-content strong {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 2px;
}

.pricing__simulator-cta-content span {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.pricing__simulator-cta .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .pricing__simulator-cta {
        flex-direction: column;
        text-align: center;
    }

    .pricing__simulator-cta-content {
        flex-direction: column;
    }

    .pricing__simulator-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Examples (legacy) */
.pricing__examples {
    background: var(--color-bg-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    border: 1px solid var(--color-border);
}

.pricing__examples h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
}

.pricing__examples-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
}

.pricing__example {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-bg-elevated);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.pricing__example-action {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pricing__example-cost {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
}

/* Modules */
.pricing__modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3);
}

.pricing__module {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
    transition: all var(--transition-base);
}

.pricing__module:hover {
    border-color: var(--color-border-hover);
}

.pricing__module-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.pricing__module-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    flex: 1;
    margin-bottom: var(--spacing-3);
}

.pricing__module-price {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
}

.pricing__module-price small {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
    .pricing__free {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .pricing__free-list {
        justify-content: center;
    }

    .pricing__packs {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing__modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .pricing__packs {
        grid-template-columns: 1fr;
    }

    .pricing__examples-grid {
        grid-template-columns: 1fr;
    }

    .pricing__modules-grid {
        grid-template-columns: 1fr;
    }

    .pricing__free-list {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Story Section
   ============================================ */
.story {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-subtle);
}

.story__content {
    max-width: 720px;
    margin: 0 auto;
}

.story__title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-8);
    letter-spacing: -0.02em;
}

.story__text {
    margin-bottom: var(--spacing-10);
}

.story__lead {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
}

.story__text p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.story__quote {
    position: relative;
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text-secondary);
    padding: var(--spacing-5);
    padding-left: var(--spacing-6);
    background: var(--color-accent-subtle);
    border-left: 2px solid var(--color-accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin-top: var(--spacing-8);
}

.story__values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.story__value {
    text-align: center;
    padding: var(--spacing-6);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.story__value-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-3);
}

.story__value h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.story__value p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .story__values {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-dark) 100%);
    text-align: center;
}

.cta__content {
    max-width: 560px;
    margin: 0 auto;
}

.cta__title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.cta__subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-8);
}

.cta__note {
    margin-top: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-base);
    color: var(--color-text-secondary);
    padding: var(--spacing-16) 0 var(--spacing-8);
    border-top: 1px solid var(--color-border);
}

.footer__top {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-12);
    padding-bottom: var(--spacing-10);
    border-bottom: 1px solid var(--color-border);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.footer__logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #7a1f2b 0%, #7a1f2b 100%);
    border-radius: 6px;
    flex-shrink: 0;
}

.footer__logo-img {
    height: 20px;
    color: #fff;
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.footer__column h4 {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-4);
}

.footer__column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer__column a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer__column a:hover {
    color: var(--color-text-primary);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-6);
}

.footer__copyright,
.footer__made {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
    .footer__top {
        grid-template-columns: 1fr;
    }

    .footer__links {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
    }
}

/* ============================================
   Animations - Minimal & Purposeful
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }

/* ============================================
   Time Chart Section
   ============================================ */
.time-chart {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-subtle);
}

.time-chart__container {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    overflow: hidden;
}

/* Tabs */
.time-chart__tabs {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-2);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-xl);
}

.time-chart__tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-5);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.time-chart__tab:hover {
    color: var(--color-text-secondary);
    background: var(--color-bg-hover);
}

.time-chart__tab--active {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}

.time-chart__tab-icon {
    display: flex;
    width: 18px;
    height: 18px;
}

.time-chart__tab-icon svg {
    width: 100%;
    height: 100%;
}

.time-chart__tab--active .time-chart__tab-icon {
    color: var(--color-accent);
}

/* Content Layout */
.time-chart__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    align-items: start;
    min-height: 450px;
}

/* Pie Chart */
.time-chart__pie-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.time-chart__pie {
    width: 100%;
    max-width: 400px;
    height: auto;
    overflow: visible;
}

.time-chart__slices path {
    cursor: pointer;
    transition: all var(--transition-base);
    stroke: var(--color-bg-elevated);
    stroke-width: 2;
}

.time-chart__slices path:hover,
.time-chart__slices path.active {
    transform: scale(1.03);
    filter: brightness(1.1);
}

.time-chart__center-value {
    font-size: 2rem;
    font-weight: var(--font-weight-semibold);
    fill: var(--color-text-primary);
}

.time-chart__center-label {
    font-size: 0.875rem;
    fill: var(--color-text-tertiary);
}

/* Tooltip */
.time-chart__tooltip {
    position: absolute;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    z-index: 100;
    min-width: 180px;
    transform: translate(-50%, -100%);
}

.time-chart__tooltip-title {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.time-chart__tooltip-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-1);
}

.time-chart__tooltip-desc {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
}

/* Legend */
.time-chart__legend {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.time-chart__legend-header {
    margin-bottom: var(--spacing-2);
}

.time-chart__legend-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.time-chart__legend-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.time-chart__legend-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    max-height: 360px;
    overflow-y: auto;
}

.time-chart__legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-subtle);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.time-chart__legend-item:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border);
}

.time-chart__legend-item.active {
    background: var(--color-accent-subtle);
    border-color: var(--color-accent-muted);
}

.time-chart__legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.time-chart__legend-info {
    flex: 1;
    min-width: 0;
}

.time-chart__legend-name {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.time-chart__legend-desc {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.time-chart__legend-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    flex-shrink: 0;
}

/* Automatable badge */
.time-chart__legend-item[data-automatable="true"]::after {
    content: 'IA';
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    background: var(--color-accent);
    color: var(--color-white);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-2);
}

/* Progress bar for automation view */
.time-chart__legend-progress {
    width: 100%;
    height: 6px;
    background: var(--color-bg-muted);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-2);
    overflow: hidden;
}

.time-chart__legend-progress-bar {
    height: 100%;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.time-chart__legend-progress-bar--saved {
    background: var(--color-success);
}

/* Insight box */
.time-chart__insight {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
    padding: var(--spacing-5);
    background: var(--color-accent-subtle);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.time-chart__insight-icon {
    display: flex;
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.time-chart__insight-icon svg {
    width: 100%;
    height: 100%;
}

.time-chart__insight-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.time-chart__insight-text strong {
    color: var(--color-text-primary);
}

/* Animations */
@keyframes sliceAppear {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.time-chart__slices path {
    animation: sliceAppear 0.5s ease forwards;
    transform-origin: center;
}

/* Breadcrumb (shared) */
.site-breadcrumb {
    padding-top: calc(64px + var(--spacing-6));
    padding-bottom: var(--spacing-4);
    background: var(--color-bg-base);
}

.site-breadcrumb__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-breadcrumb__list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.site-breadcrumb__list li::before {
    content: '/';
    color: var(--color-text-muted);
}

.site-breadcrumb__list li:first-child::before {
    display: none;
}

.site-breadcrumb__list a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-breadcrumb__list a:hover {
    color: var(--color-accent);
}

.site-breadcrumb__list li[aria-current="page"] {
    color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .time-chart__content {
        grid-template-columns: 1fr;
    }

    .time-chart__pie-container {
        order: -1;
    }

    .time-chart__legend-items {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .time-chart__tabs {
        flex-direction: column;
    }

    .time-chart__tab {
        justify-content: flex-start;
    }

    .time-chart__container {
        padding: var(--spacing-5);
    }

    .time-chart__pie {
        max-width: 300px;
    }

    .time-chart__insight {
        flex-direction: column;
        gap: var(--spacing-3);
    }
}

/* View-specific styles */
.time-chart[data-view="optimized"] .time-chart__legend-item[data-automatable="true"] .time-chart__legend-value {
    color: var(--color-success);
}

.time-chart[data-view="optimized"] .time-chart__legend-item[data-automatable="true"] .time-chart__legend-value::before {
    content: '-';
}

/* Comparison stats for optimized view */
.time-chart__comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.time-chart__comparison-item {
    text-align: center;
    padding: var(--spacing-4);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-lg);
}

.time-chart__comparison-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-success);
    margin-bottom: var(--spacing-1);
}

.time-chart__comparison-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

@media (max-width: 640px) {
    .time-chart__comparison {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Light Mode (System Preference)
   ============================================ */
/* ============================================
   Hero Complement Message
   ============================================ */
.hero__complement {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
    max-width: fit-content;
}

.hero__complement-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-success);
    flex-shrink: 0;
}

.hero__complement-icon svg {
    width: 100%;
    height: 100%;
}

.hero__complement-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

.hero__complement-text strong {
    color: var(--color-text-primary);
}

@media (max-width: 1024px) {
    .hero__complement {
        margin: 0 auto var(--spacing-6);
        text-align: left;
    }
}

@media (max-width: 640px) {
    .hero__complement {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2);
    }
}

/* ============================================
   AI-First Section
   ============================================ */
.ai-first {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-subtle);
}

.ai-first__content {
    max-width: 900px;
    margin: 0 auto;
}

.ai-first__header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.ai-first__title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.ai-first__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    max-width: 600px;
    margin: 0 auto;
}

.ai-first__comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.ai-first__column {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-base);
}

.ai-first__column:hover {
    border-color: var(--color-border-hover);
}

.ai-first__column--old {
    background: var(--color-bg-elevated);
    border-color: rgba(248, 113, 113, 0.2);
}

.ai-first__column--old:hover {
    border-color: rgba(248, 113, 113, 0.3);
}

.ai-first__column--new {
    background: var(--color-accent-subtle);
    border-color: var(--color-accent-muted);
}

.ai-first__column--new:hover {
    border-color: var(--color-accent);
}

.ai-first__column-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-5);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.ai-first__column--old .ai-first__column-header {
    border-bottom-color: rgba(248, 113, 113, 0.15);
}

.ai-first__column--new .ai-first__column-header {
    border-bottom-color: var(--color-accent-muted);
}

.ai-first__column-icon {
    font-size: var(--font-size-2xl);
}

.ai-first__column-header h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.ai-first__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.ai-first__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.ai-first__list-icon {
    flex-shrink: 0;
    font-weight: var(--font-weight-semibold);
    margin-top: 2px;
}

.ai-first__list-icon--bad {
    color: var(--color-error);
}

.ai-first__list-icon--good {
    color: var(--color-success);
}

.ai-first__footer {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    padding: var(--spacing-6);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.ai-first__footer strong {
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    .ai-first__comparison {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Lightbox (click-to-zoom images)
   ============================================ */
.lightbox-zoomable {
    cursor: zoom-in;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lightbox-zoomable:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.lightbox-dialog {
    border: none;
    background: transparent;
    padding: 0;
    max-width: none;
    max-height: none;
    width: 100vw;
    height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.lightbox-dialog::backdrop {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lightbox-dialog[open] {
    animation: lightbox-fade-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-dialog[open]::backdrop {
    animation: lightbox-backdrop-in 0.3s ease;
}

@keyframes lightbox-fade-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes lightbox-backdrop-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90vw;
    max-height: 92vh;
    position: relative;
}

.lightbox-content img {
    display: block;
    max-width: 90vw;
    max-height: 80vh;
    width: auto;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.08);
    object-fit: contain;
}

.lightbox-caption {
    margin-top: 1rem;
    text-align: center;
    max-width: 600px;
}

.lightbox-caption__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin: 0 0 0.25rem 0;
    letter-spacing: -0.01em;
}

.lightbox-caption__desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    line-height: 1.5;
}

.lightbox-close {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, transform 0.15s ease;
    z-index: 10;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
    .lightbox-dialog[open],
    .lightbox-dialog[open]::backdrop {
        animation: none;
    }
    .lightbox-zoomable:hover {
        transform: none;
    }
}

@media (prefers-color-scheme: light) {
    :root {
        /* Light Palette */
        --color-bg-base: #f4f2ed;
        --color-bg-elevated: #ffffff;
        --color-bg-subtle: #eeebe4;
        --color-bg-muted: #e7e3da;
        --color-bg-hover: #e0dbd0;

        /* Text Colors */
        --color-text-primary: #1a1a18;
        --color-text-secondary: #4a5568;
        --color-text-tertiary: #6b7280;
        --color-text-muted: #9ca3af;

        /* Borders */
        --color-border: rgba(26, 26, 24, 0.12);
        --color-border-hover: rgba(26, 26, 24, 0.20);
        --color-border-subtle: rgba(26, 26, 24, 0.07);

        /* Shadows */
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
        --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
        --shadow-glow: 0 0 60px rgba(122, 31, 43, 0.15);
        --shadow-glow-sm: 0 0 30px rgba(122, 31, 43, 0.1);

        /* Gray Scale (light mode) */
        --color-gray-900: #1a1a18;
        --color-gray-800: #2d2d2a;
        --color-gray-700: #4a5568;
        --color-gray-600: #6b7280;
        --color-gray-500: #9ca3af;
        --color-gray-400: #c9c4b8;
        --color-gray-300: #ddd8cc;
        --color-gray-200: #e7e3da;
        --color-gray-100: #eeebe4;
        --color-gray-50: #f4f2ed;

        /* Legacy compatibility */
        --color-dark: #16161a;
    }

    /* Header - dark over video hero, light when scrolled */
    .header {
        background: rgba(244, 242, 237, 0.85);
        border-bottom-color: rgba(26, 26, 24, 0.10);
    }

    .header .nav__link {
        color: #4a5568;
    }

    .header .nav__link:hover {
        color: #1a1a18;
    }

    .header .nav__logo-text {
        color: #1a1a18;
    }

    .header .nav__logo-icon svg {
        color: #1a1a18;
    }

    .header--scrolled {
        background: rgba(255, 255, 255, 0.95);
        border-bottom-color: var(--color-border);
    }

    .header--scrolled .nav__link {
        color: var(--color-text-secondary);
    }

    .header--scrolled .nav__link:hover {
        color: var(--color-text-primary);
    }

    .header--scrolled .nav__logo-text {
        color: var(--color-text-primary);
    }

    .header--scrolled .nav__logo-icon svg {
        color: var(--color-text-primary);
    }

    /* Hero text forced light on dark video overlay */
    .hero--video-bg .hero__title {
        color: #1a1a18;
    }

    .hero--video-bg .hero__subtitle {
        color: #A1A1A6;
    }

    .hero--video-bg .hero__cta-note,
    .hero--video-bg .hero__complement-text {
        color: #A1A1A6;
    }

    .hero--video-bg .hero__complement {
        border-color: rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.05);
    }

    .hero--video-bg .hero__stats {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 255, 255, 0.08);
    }

    .hero--video-bg .hero__stat-value {
        color: #1a1a18;
    }

    .hero--video-bg .hero__stat-label {
        color: #A1A1A6;
    }

    .hero--video-bg .hero__stat + .hero__stat {
        border-left-color: rgba(255, 255, 255, 0.08);
    }

    .hero--video-bg .hero__badge {
        background: rgba(122, 31, 43, 0.15);
        color: #a8421c;
    }

    .hero--video-bg .hero__scroll-cta {
        color: #A1A1A6;
    }

    /* White button on colored backgrounds */
    .btn--white {
        color: var(--color-gray-900);
    }

    /* Hero background */
    .hero__bg::before {
        background: radial-gradient(ellipse at 70% 30%, rgba(122, 31, 43, 0.12) 0%, transparent 50%);
    }

    .hero__bg::after {
        background: radial-gradient(ellipse at 30% 70%, rgba(168, 66, 28, 0.08) 0%, transparent 50%);
    }

    /* Problem section */
    .problem__stats {
        background: linear-gradient(135deg, rgba(248, 113, 113, 0.08) 0%, rgba(239, 68, 68, 0.04) 100%);
        border-color: rgba(248, 113, 113, 0.15);
    }

    .problem__stat-label {
        color: #DC2626;
    }

    .problem__stat-detail {
        color: #EF4444;
    }

    /* Mobile navigation */
    @media (max-width: 768px) {
        .nav__menu.active,
        .nav__actions.active {
            background: var(--color-bg-elevated);
        }
    }
}

/* ------------------------------------------------------------------
   Registre institutionnel
   ------------------------------------------------------------------
   Le site était bâti sur un sombre « à la Linear » — fond quasi noir,
   violet, cyan, dégradés — qui plaçait Nanilex du côté de l'outillage
   pour développeurs. L'application a basculé sur un registre proche de
   ce qu'un avocat lit et produit : papier, encre, bordeaux, et un serif
   là où le texte compte.

   Les couleurs sont alignées plus haut, dans :root. Ce bloc porte ce qui
   ne pouvait pas l'être par une simple substitution : la typographie des
   titres et l'aplatissement des dégradés décoratifs.
   ------------------------------------------------------------------ */

.hero__title,
.section__title,
.cta__title,
.feature-card__title,
.pricing-hero__title,
.story__title,
.problem__title {
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Le dégradé sur le titre du héros faisait « produit IA ». Un aplat de
   bordeaux dit la même emphase sans le clinquant. */
.hero__title-gradient,
.text-gradient {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: currentColor;
    color: var(--color-accent);
}

/* Les halos radiaux derrière le héros : hérités du fond sombre, ils
   salissent le papier. */
.hero__bg,
.hero__mockup-glow {
    background: none;
}

/* La carte mise en avant est bordeaux : son prix et son intitulé héritaient
   de la couleur d'accent, donc bordeaux sur bordeaux — le montant devenait
   invisible. Constaté sur la carte « Solo », dont le 29 € avait purement
   disparu. */
.feature-card--highlight .feature-card__price-value,
.feature-card--highlight .feature-card__title {
    color: #ffffff;
}

.feature-card--highlight .feature-card__price-label {
    color: rgba(255, 255, 255, 0.75);
}

.feature-card--highlight .btn--primary {
    background: #ffffff;
    color: var(--color-accent);
    border-color: #ffffff;
}

.feature-card--highlight .btn--primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-accent);
}