/* =============================================
   AION - CSS Variables & Design System
   ============================================= */

:root {
    /* Color Palette */
    --color-primary: #000000;
    --color-primary-rgb: 0, 0, 0;
    --color-secondary: #86868b;
    --color-accent: #0071e3;
    --color-accent-hover: #0077ed;
    --color-accent-light: rgba(0, 113, 227, 0.1);

    --color-background: #ffffff;
    --color-background-alt: #f5f5f7;
    --color-background-dark: #000000;
    --color-surface: #fbfbfd;

    --color-text-primary: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-text-tertiary: #6e6e73;
    --color-text-inverse: #f5f5f7;

    --color-border: rgba(0, 0, 0, 0.1);
    --color-border-light: rgba(0, 0, 0, 0.04);

    --color-success: #34c759;
    --color-error: #ff3b30;
    --color-heart: #ff2d55;
    --color-heart-filled: #ff2d55;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-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: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-hero: clamp(3rem, 8vw, 6rem);

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.02em;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 900px;
    --max-width-wide: 1400px;
    --nav-height: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* 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 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* UI Text Labels */
    --text-nav-features: "Features";
    --text-nav-designs: "Designs";
    --text-nav-vision: "Vision";
    --text-cta-waitlist: "Join Waitlist";
    --text-cta-early-access: "Get Early Access";
    --text-cta-explore: "Explore Designs";
    --text-hero-scroll: "Scroll to explore";
}

/* =============================================
   Reset & Base Styles
   ============================================= */

*, *::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);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

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

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

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* =============================================
   Navigation
   ============================================= */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
}

.nav-logo-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    background: var(--color-background);
    border-radius: 6px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-accent);
}

.nav-cta {
    background: var(--color-accent);
    color: var(--color-text-inverse) !important;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-accent-hover);
    transform: scale(1.02);
}

/* Language Selector */
.lang-selector {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

/* Language transition for translatable elements */
[data-i18n],
[data-i18n-placeholder] {
    transition: opacity var(--transition-base);
}

.lang-transitioning [data-i18n],
.lang-transitioning [data-i18n-placeholder] {
    opacity: 0;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.lang-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Footer Language Selector */
.lang-selector-footer {
    margin-top: var(--spacing-sm);
}

.lang-selector-footer .lang-btn {
    border-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

.lang-selector-footer .lang-btn:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--color-text-inverse);
}

.lang-selector-footer .lang-btn.active {
    background: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: calc(var(--nav-height) + var(--spacing-2xl)) 0 var(--spacing-3xl);
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-background-alt) 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.hero-carousel-wrapper {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 700px;
    overflow: hidden;
    background: transparent;
}

.hero-content {
    text-align: center;
    max-width: var(--max-width-narrow);
    margin: 0 auto var(--spacing-md);
    padding: 0 var(--spacing-xl);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-lg);
}

.hero-title-line {
    display: block;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 0.1em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: var(--line-height-relaxed);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* =============================================
   Hero Carousel - Apple Multi-Image Style
   ============================================= */

.hero-carousel {
    position: absolute;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-out;
    overflow: hidden;
}

.hero-carousel.loaded {
    opacity: 1;
    -webkit-mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
    mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
}

.carousel-track {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 0;
    padding: 0;
    background: transparent;
    transition: transform 1.2s cubic-bezier(0.4, 0, 0, 1);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.carousel-slide {
    flex: 0 0 auto;
    width: 75%;
    max-width: 1100px;
    height: 95%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-md);
    background: transparent;
    border-radius: 0;
    transition: transform 1.2s cubic-bezier(0.4, 0, 0, 1),
                opacity 1s cubic-bezier(0.4, 0, 0, 1),
                filter 1s cubic-bezier(0.4, 0, 0, 1);
    opacity: 0.5;
    transform: scale3d(0.88, 0.88, 1);
    filter: blur(2px);
    cursor: pointer;
    will-change: transform, opacity, filter;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale3d(1, 1, 1);
    filter: blur(0);
    z-index: 10;
}

.carousel-slide.adjacent {
    opacity: 0.7;
    transform: scale3d(0.92, 0.92, 1);
    filter: blur(1px);
}

.carousel-slide:hover:not(.active) {
    opacity: 0.8;
    filter: blur(0.5px);
}

/* Slide Image */
.slide-layer {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    background: transparent;
}

.slide-layer-back {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.slide-layer-back img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide.active .slide-layer-back img {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

/* Slide Caption */
.slide-caption {
    text-align: center;
    padding-top: var(--spacing-lg);
    background: transparent;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease 0.1s, transform 0.5s ease 0.1s;
}

.carousel-slide.active .slide-caption {
    opacity: 1;
    transform: translateY(0);
}

.caption-label {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.caption-colors {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Carousel Navigation */
.carousel-nav {
    position: absolute;
    bottom: var(--spacing-xs);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    z-index: 20;
}

.carousel-arrow {
    display: none;
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.15);
}

.carousel-arrow:active {
    transform: scale(0.95);
}

.carousel-arrow svg {
    width: 20px;
    height: 20px;
}

.carousel-dots {
    display: none;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.carousel-dot:hover {
    background: rgba(0, 0, 0, 0.4);
    transform: scale(1.3);
}

.carousel-dot.active {
    background: var(--color-text-primary);
    width: 24px;
    border-radius: var(--radius-full);
}

/* Progress Bar - Hidden by default, cleaner look */
.carousel-progress {
    display: none;
}

/* Swipe Indicator - Mobile only */
.swipe-indicator {
    display: none;
    position: absolute;
    bottom: calc(var(--spacing-lg) + 180px);
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    animation: fadeIn 1s ease-out 1.5s both;
    opacity: 0.7;
    z-index: 10;
}

.swipe-indicator svg {
    width: 18px;
    height: 18px;
    animation: swipeHint 1.5s ease-in-out infinite;
}

.swipe-indicator span {
    white-space: nowrap;
}

@keyframes swipeHint {
    0%, 100% {
        transform: translateX(0);
        opacity: 0.7;
    }
    50% {
        transform: translateX(-4px);
        opacity: 1;
    }
}


.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    animation: fadeIn 1s ease-out 1s both;
    padding-bottom: 12px;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-secondary);
    border-bottom: 2px solid var(--color-text-secondary);
    transform: rotate(45deg);
    position: relative;
    animation: scrollBounce 2s ease-in-out infinite;
}

/* =============================================
   Buttons
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: scale(1.02);
}

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

.btn-secondary:hover {
    background: var(--color-accent-light);
}

.btn-full {
    width: 100%;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: block;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

/* =============================================
   Platform Highlight Section
   ============================================= */

.platform-highlight {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.platform-content {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    text-align: center;
}

.platform-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.platform-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
    line-height: var(--line-height-relaxed);
}

.platform-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    max-width: 900px;
    margin: 0 auto;
}

.platform-pillar {
    text-align: center;
    padding: var(--spacing-xl);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-accent);
}

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

.platform-pillar h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

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

@media (max-width: 768px) {
    .platform-pillars {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .platform-title {
        font-size: var(--font-size-2xl);
    }
}

/* =============================================
   Section Styles
   ============================================= */

.section-header {
    text-align: center;
    max-width: var(--max-width-narrow);
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-md);
}

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

/* =============================================
   Features Section
   ============================================= */

.features {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--max-width);
    margin: 0 auto;
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

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

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

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

/* =============================================
   Showcase Section
   ============================================= */

.showcase {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background-alt);
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto var(--spacing-5xl);
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-item-reverse {
    direction: rtl;
}

.showcase-item-reverse > * {
    direction: ltr;
}

.showcase-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.showcase-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-snug);
    margin-bottom: var(--spacing-lg);
}

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

/* =============================================
   Designs Gallery Section
   ============================================= */

.designs {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background);
}

.design-categories {
    max-width: var(--max-width);
    margin: 0 auto;
}

.design-category {
    margin-bottom: var(--spacing-4xl);
}

.design-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.category-description {
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.design-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.design-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-background-alt);
    aspect-ratio: 2/1;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.design-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.design-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.design-card:hover img {
    transform: scale(1.05);
}

.design-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.design-name {
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
}

.vote-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--color-text-inverse);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.vote-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.vote-btn.voted {
    background: var(--color-heart);
}

.vote-btn.voted svg {
    fill: currentColor;
}

.vote-btn svg {
    width: 18px;
    height: 18px;
}

.vote-count {
    font-weight: var(--font-weight-medium);
}

/* =============================================
   Vision Section
   ============================================= */

.vision {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background-dark);
    color: var(--color-text-inverse);
}

.vision-content {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.vision-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.vision-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.vision-roadmap {
    position: relative;
    padding-left: 100px;
}

.vision-roadmap::before {
    content: '';
    position: absolute;
    left: 90px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-text-tertiary));
}

.roadmap-item {
    position: relative;
    padding-bottom: var(--spacing-2xl);
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.roadmap-item:hover {
    opacity: 1;
}

.roadmap-item.roadmap-now {
    opacity: 1;
}

.roadmap-item:last-child {
    padding-bottom: 0;
}

.roadmap-marker {
    position: absolute;
    left: -100px;
    width: 100px;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    gap: var(--spacing-sm);
}

.marker-label {
    flex: 1;
    text-align: right;
}

.marker-dot {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: var(--color-background-dark);
    border: 2px solid var(--color-text-tertiary);
    border-radius: 50%;
    position: relative;
}

.roadmap-now .marker-dot {
    border-color: var(--color-accent);
    background: var(--color-accent);
    box-shadow: 0 0 20px var(--color-accent);
}

.marker-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.roadmap-content {
    padding-left: var(--spacing-lg);
}

.roadmap-content h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

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

@media (max-width: 768px) {
    .vision-roadmap {
        padding-left: 85px;
    }

    .vision-roadmap::before {
        left: 75px;
    }

    .roadmap-marker {
        left: -85px;
        width: 85px;
    }

    .marker-label {
        font-size: 13px;
        letter-spacing: 0.3px;
        white-space: nowrap;
    }

    .roadmap-content {
        margin-left: 25px;
    }
}

/* =============================================
   Video Sections (Apple-style)
   ============================================= */

.video-showcase {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background);
}

.video-showcase-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.video-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--color-primary);
}

.video-wrapper video {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
    display: block;
    transform: scale(1.25);
}

.video-caption {
    margin-top: var(--spacing-xl);
}

.video-caption h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

/* Video Feature Section */
.video-feature {
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: var(--color-background-alt);
}

.video-feature-container {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-feature-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* Showcase Video */
.showcase-video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .video-wrapper video,
    .video-feature-container video,
    .showcase-video {
        animation: none;
    }
}

/* Responsive video adjustments */
@media (max-width: 768px) {
    .video-showcase {
        padding: var(--spacing-3xl) var(--spacing-md);
    }

    .video-feature {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .video-caption h2 {
        font-size: var(--font-size-xl);
    }
}

/* =============================================
   Campaign Section
   ============================================= */

.campaign {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a1a2e 100%);
    color: var(--color-background);
    text-align: center;
}

.campaign-container {
    max-width: 800px;
    margin: 0 auto;
}

.campaign-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xl);
}

.campaign-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xl);
    letter-spacing: var(--letter-spacing-tight);
}

.campaign-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.campaign-highlights {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin: var(--spacing-2xl) 0;
    flex-wrap: wrap;
}

.campaign-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.highlight-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.highlight-icon svg {
    width: 20px;
    height: 20px;
}

.highlight-text {
    font-weight: var(--font-weight-medium);
}

.campaign-cta {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-top: var(--spacing-xl);
}

/* =============================================
   Signup Section
   ============================================= */

.signup {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background-alt);
}

.signup-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.signup-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.signup-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.signup-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
}

.signup-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.signup-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.signup-meta {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-success);
}

.signup-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-message {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(52, 199, 89, 0.1);
    color: var(--color-success);
}

.form-message.error {
    display: block;
    background: rgba(255, 59, 48, 0.1);
    color: var(--color-error);
}

/* =============================================
   Feedback Section
   ============================================= */

.feedback {
    padding: var(--spacing-5xl) var(--spacing-xl);
    background: var(--color-background);
}

.feedback-container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    text-align: center;
}

.feedback-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.feedback-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.feedback-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.feedback-option {
    cursor: pointer;
}

.feedback-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.option-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.feedback-option:hover .option-box {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.feedback-option input:checked + .option-box {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.option-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.feedback-option input:checked + .option-box .option-check {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.option-check svg {
    width: 14px;
    height: 14px;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition-fast);
}

.feedback-option input:checked + .option-box .option-check svg {
    opacity: 1;
    transform: scale(1);
}

.option-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.feedback-textarea {
    margin-bottom: var(--spacing-xl);
}

.feedback-textarea textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    resize: vertical;
    min-height: 100px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.feedback-textarea textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* =============================================
   Footer
   ============================================= */

.footer {
    padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-xl);
    background: var(--color-background-dark);
    color: var(--color-text-inverse);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

.footer-logo-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

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

.footer-links a:hover {
    color: var(--color-text-inverse);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-inverse);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

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

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: var(--spacing-xl);
    text-align: center;
}

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

/* =============================================
   Animations
   ============================================= */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        top: 0;
    }
    50% {
        top: 8px;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Responsive Design
   ============================================= */

@media (max-width: 1024px) {
    .showcase-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .showcase-item-reverse {
        direction: ltr;
    }

    .showcase-content {
        text-align: center;
    }

    .signup-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .signup-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .signup-content {
        text-align: center;
    }

    .signup-form .form-group {
        flex-direction: column;
    }

    .signup-meta {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-hero: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .hero-carousel-wrapper {
        min-height: 450px;
    }

    .carousel-slide {
        width: 88%;
        max-width: none;
        padding: var(--spacing-md);
    }

    .slide-layer-back img {
        max-width: 100%;
        max-height: 100%;
    }

    .hero-carousel {
        -webkit-mask-image: linear-gradient(
            to right,
            transparent 0%,
            black 5%,
            black 95%,
            transparent 100%
        );
        mask-image: linear-gradient(
            to right,
            transparent 0%,
            black 5%,
            black 95%,
            transparent 100%
        );
    }

    .swipe-indicator {
        display: flex;
    }

    .carousel-track {
        gap: 0;
    }

    .carousel-slide {
        margin: 0;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
    }

    .carousel-arrow svg {
        width: 16px;
        height: 16px;
    }

    .carousel-nav {
        gap: var(--spacing-md);
    }

    .slide-caption {
        padding-top: var(--spacing-sm);
        margin-bottom: var(--spacing-xl);
    }

    .caption-label {
        font-size: var(--font-size-base);
    }

    .caption-colors {
        font-size: var(--font-size-xs);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
        gap: var(--spacing-md);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:first-child {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:last-child {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding-top: calc(var(--nav-height) + var(--spacing-2xl));
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .design-gallery {
        grid-template-columns: 1fr;
    }

    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feedback-options {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   Utility Classes
   ============================================= */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}