/* LeetEye Landing Page Styles */
/* Inspired by Linear, Vercel, and Raycast */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-bg: #0A0A0F;
    --color-bg-secondary: #12121A;
    --color-bg-tertiary: #1A1A2E;
    --color-surface: #1E1E2E;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    --color-text: #FAFAFA;
    --color-text-secondary: #A1A1AA;
    --color-text-tertiary: #71717A;

    --color-primary: #F97316;
    --color-primary-hover: #EA580C;
    --color-primary-glow: rgba(249, 115, 22, 0.3);

    --color-accent: #14B8A6;
    --color-accent-hover: #0D9488;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

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

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

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

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

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

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

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 38px; /* Account for announcement bar */
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) 0;
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid #E5E5E5;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-logo-img {
    width: 56px;
    height: 56px;
}

.nav-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1A1A1A;
    letter-spacing: -0.02em;
}

.logo-highlight {
    color: var(--color-primary);
}

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

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #666;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: #1A1A1A;
}

.nav-cta {
    font-size: 0.875rem;
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    background: #1A1A1A;
    color: white;
    border: 1px solid #1A1A1A;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: #333;
    border-color: #333;
}

/* ===== Announcement Bar ===== */
.announcement-bar {
    background: var(--color-primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
}

.announcement-bar a {
    color: white;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.announcement-bar a:hover {
    opacity: 0.9;
}

.announcement-bar .arrow {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.announcement-bar a:hover .arrow {
    transform: translateX(3px);
}

/* ===== Hero Section - Text Heavy Style ===== */
.hero {
    background: #FAFAFA;
    padding: calc(120px + var(--space-4xl)) 0 var(--space-4xl);
    min-height: auto;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: #1A1A1A;
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #4A4A4A;
    margin-bottom: var(--space-2xl);
    max-width: 720px;
}

.hero-subtitle em {
    font-style: italic;
    color: #1A1A1A;
}

.hero-cta {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.hero-link {
    font-size: 0.9rem;
    color: #666;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition-fast);
}

.hero-link:hover {
    color: #1A1A1A;
}

/* ===== Floating Decorative Cards ===== */
.floating-cards {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.float-card {
    position: absolute;
    background: white;
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06);
    border: 1px solid #E8E8E8;
    font-size: 0.8rem;
    animation: float-gentle 6s ease-in-out infinite;
}

@keyframes float-gentle {
    0%, 100% { transform: translateY(0) rotate(var(--rotate, 0deg)); }
    50% { transform: translateY(-12px) rotate(var(--rotate, 0deg)); }
}

/* Card 1 - Top Left - Problem card */
.float-card-1 {
    top: 180px;
    left: 8%;
    --rotate: -3deg;
    animation-delay: 0s;
}

.float-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.float-card-tag {
    background: #DBEAFE;
    color: #1D4ED8;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

.float-card-progress {
    color: #10B981;
    font-weight: 600;
}

.float-card-title {
    font-weight: 600;
    color: #1A1A1A;
}

/* Card 2 - Left Middle - MCQ */
.float-card-2 {
    top: 380px;
    left: 5%;
    --rotate: 2deg;
    animation-delay: 1s;
}

.float-card-question {
    font-weight: 500;
    color: #333;
    margin-bottom: 10px;
}

.float-card-options {
    display: flex;
    gap: 8px;
}

.float-option {
    padding: 6px 14px;
    background: #F5F5F5;
    border-radius: 6px;
    font-size: 0.75rem;
    color: #666;
}

.float-option.correct {
    background: #DCFCE7;
    color: #166534;
    font-weight: 600;
}

/* Card 3 - Top Right - Pattern insight */
.float-card-3 {
    top: 160px;
    right: 8%;
    --rotate: 3deg;
    animation-delay: 0.5s;
}

.float-card-pattern {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.float-card-insight {
    color: #666;
    font-size: 0.75rem;
}

/* Card 4 - Right Middle - Progress */
.float-card-4 {
    top: 340px;
    right: 6%;
    --rotate: -2deg;
    animation-delay: 1.5s;
    min-width: 140px;
}

.float-card-stats .stat-item {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 8px;
}

.float-card-stats .stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1A1A1A;
}

.float-card-stats .stat-txt {
    font-size: 0.7rem;
    color: #999;
}

.stat-bar {
    height: 6px;
    background: #E5E5E5;
    border-radius: 3px;
    overflow: hidden;
}

.stat-fill {
    width: 65%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 3px;
}

/* Card 5 - Bottom Right - Badge */
.float-card-5 {
    bottom: 220px;
    right: 12%;
    --rotate: 4deg;
    animation-delay: 2s;
    padding: 10px 16px;
}

.float-badge {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    color: #92400E;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Mobile cards hidden by default on desktop */
.floating-cards-mobile {
    display: none;
}

/* Hide desktop floating cards on smaller screens */
@media (max-width: 1200px) {
    .floating-cards-desktop {
        display: none;
    }
}

/* Mobile floating cards styles - always applied to mobile container */
.floating-cards-mobile {
    position: relative;
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.floating-cards-mobile .float-card {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    animation: none !important;
    transform: none !important;
    padding: 12px 14px;
    font-size: 0.75rem;
    box-shadow: none;
}

.floating-cards-mobile .float-card-4 {
    min-width: auto;
}

.floating-cards-mobile .float-card-5 {
    grid-column: span 2;
    justify-self: center;
    padding: 8px 14px;
}

.floating-cards-mobile .float-card-tag {
    font-size: 0.65rem;
    padding: 2px 8px;
}

.floating-cards-mobile .float-card-title {
    font-size: 0.75rem;
}

.floating-cards-mobile .float-card-question {
    font-size: 0.7rem;
    margin-bottom: 8px;
}

.floating-cards-mobile .float-card-options {
    gap: 6px;
}

.floating-cards-mobile .float-option {
    padding: 4px 10px;
    font-size: 0.65rem;
}

.floating-cards-mobile .float-card-pattern {
    font-size: 0.75rem;
}

.floating-cards-mobile .float-card-insight {
    font-size: 0.65rem;
}

.floating-cards-mobile .float-card-stats .stat-num {
    font-size: 1.2rem;
}

.floating-cards-mobile .float-card-stats .stat-txt {
    font-size: 0.6rem;
}

.floating-cards-mobile .float-badge {
    font-size: 0.65rem;
    padding: 4px 10px;
}

/* Show mobile cards only on mobile */
@media (max-width: 768px) {
    .floating-cards-mobile {
        display: grid;
    }
}

/* ===== Feature Callout Card ===== */
.feature-callout {
    background: #FAFAFA;
    padding: 0 0 var(--space-4xl);
}

.callout-card {
    background: white;
    border: 1px solid #E5E5E5;
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    max-width: 720px;
    margin: 0 auto;
}

.callout-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FEF3C7;
    border-radius: var(--radius-md);
}

.callout-icon svg {
    width: 24px;
    height: 24px;
    stroke: #D97706;
}

.callout-content {
    flex: 1;
}

.callout-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: var(--space-xs);
}

.callout-content p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 0 30px var(--color-primary-glow);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--color-primary-glow);
}

.btn-secondary {
    background: #F5F5F5;
    color: #333;
    border: 1px solid #E5E5E5;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: #EBEBEB;
    border-color: #CCC;
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.btn-secondary:hover .btn-arrow {
    transform: translateX(4px);
}

/* ===== Phone Mockup - CENTERED ===== */
.hero-visual {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.phone-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0.5;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* ===== Hero Stats - CENTERED ===== */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.phone-mockup {
    position: relative;
    perspective: 1200px;
}

.phone-frame {
    position: relative;
    width: 300px;
    height: 620px;
    background: linear-gradient(180deg, #2A2A3E 0%, #1A1A2E 100%);
    border-radius: 44px;
    padding: 14px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 30px 60px -15px rgba(0, 0, 0, 0.6),
        0 0 120px var(--color-primary-glow);
    transform: rotateX(8deg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: rotateX(8deg) translateY(0); }
    50% { transform: rotateX(8deg) translateY(-12px); }
}

.phone-notch {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 30px;
    background: #0A0A0F;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 34px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.app-preview {
    padding: var(--space-lg) var(--space-md);
    padding-top: 56px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.preview-category {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-progress {
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
}

.preview-question {
    margin-bottom: var(--space-lg);
}

.preview-q-text {
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--color-text);
}

.preview-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.preview-option {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.preview-option.correct {
    background: rgba(20, 184, 166, 0.15);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ===== Social Proof ===== */
.social-proof {
    padding: var(--space-3xl) 0;
    text-align: center;
    background: white;
    border-top: 1px solid #E5E5E5;
    border-bottom: 1px solid #E5E5E5;
    overflow: hidden;
}

.social-proof-text {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: var(--space-xl);
    font-weight: 500;
}

.logos-wrapper {
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.logos-track {
    display: flex;
    gap: var(--space-3xl);
    animation: scroll-logos 30s linear infinite;
    width: max-content;
}

@keyframes scroll-logos {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.company-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    font-weight: 600;
    color: #666;
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.company-logo img {
    width: 32px;
    height: 32px;
    opacity: 0.7;
    filter: grayscale(100%);
    transition: all var(--transition-fast);
}

.company-logo img[alt="Uber"] {
    width: 56px;
    height: 56px;
}

.company-logo:hover {
    color: #333;
}

.company-logo:hover img {
    opacity: 1;
    filter: grayscale(0%);
}

/* ===== Section Styles ===== */
section {
    padding: var(--space-4xl) 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: var(--space-lg);
    color: #1A1A1A;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #666;
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

/* ===== Problem Section ===== */
.problem {
    background: #F5F5F5;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.problem-card {
    padding: var(--space-xl);
    background: white;
    border: 1px solid #E5E5E5;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.problem-card:hover {
    border-color: #CCC;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.problem-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FEF3C7;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.problem-icon svg {
    width: 24px;
    height: 24px;
    stroke: #D97706;
}

.problem-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: #1A1A1A;
}

.problem-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* ===== Solution Section ===== */
.solution {
    text-align: center;
    background: white;
    padding: var(--space-2xl) 0;
}

.solution .section-subtitle {
    margin-bottom: 0;
}

.solution-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: #059669;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

/* ===== Features Section ===== */
.features {
    background: #F5F5F5;
}

/* Code Feature - Full Width Card */
.code-feature {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-2xl);
    align-items: center;
    background: white;
    border: 1px solid #E5E5E5;
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.code-feature-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: var(--space-sm);
}

.code-feature-content p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

.code-feature-visual {
    background: #1E1E2E;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    overflow: hidden;
}

.code-feature-visual {
    position: relative;
    min-height: 220px;
}

.code-block {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    padding: var(--space-lg);
}

.code-block.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.code-num {
    color: #BD93F9;
}

.code-line {
    white-space: pre;
    overflow: hidden;
    opacity: 0;
    animation: type-line 0.4s ease forwards;
    animation-play-state: paused;
    color: #E5E5E5;
}

.code-line:nth-child(1) { animation-delay: 0.1s; }
.code-line:nth-child(2) { animation-delay: 0.25s; }
.code-line:nth-child(3) { animation-delay: 0.4s; }
.code-line:nth-child(4) { animation-delay: 0.55s; }
.code-line:nth-child(5) { animation-delay: 0.7s; }
.code-line:nth-child(6) { animation-delay: 0.85s; }
.code-line:nth-child(7) { animation-delay: 1.0s; }

@keyframes type-line {
    0% {
        opacity: 0;
        transform: translateX(-10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.code-keyword {
    color: #FF79C6;
}

.code-func {
    color: #8BE9FD;
}

.code-comment {
    color: #6272A4;
}

.code-string {
    color: #50FA7B;
}

/* Feature Cards Grid - 3x2 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: white;
    border: 1px solid #E5E5E5;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: #CCC;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFF7ED;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.feature-icon {
    width: 24px;
    height: 24px;
    stroke: var(--color-primary);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: #1A1A1A;
}

.feature-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* ===== How It Works ===== */
.how-it-works {
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.step {
    position: relative;
    padding: var(--space-xl);
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: #E5E5E5;
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: #1A1A1A;
}

.step-content p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* ===== Patterns Section ===== */
.patterns {
    text-align: center;
    background: #F5F5F5;
}

.patterns-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.pattern-tag {
    padding: var(--space-sm) var(--space-lg);
    background: white;
    border: 1px solid #E5E5E5;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    transition: all var(--transition-fast);
}

.pattern-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: #FFF7ED;
}

/* ===== Support Section ===== */
.support {
    padding: var(--space-4xl) 0;
    background: #FAFAFA;
    text-align: center;
}

.support .section-subtitle {
    margin-bottom: var(--space-lg);
}

.support-content {
    max-width: 500px;
    margin: 0 auto;
}

.support-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.support-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #22C55E;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2em;
}

.support-link:hover {
    opacity: 0.8;
}

.shedbox-logo {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    vertical-align: text-bottom;
}

.btn-support {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: #FFDD00;
    color: #000;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-support:hover {
    background: #E5C700;
    transform: translateY(-2px);
}

.btn-support .btn-icon {
    width: 20px;
    height: 20px;
}

/* ===== CTA Section ===== */
.cta {
    position: relative;
    text-align: center;
    padding: var(--space-4xl) 0;
    overflow: hidden;
    background: #1A1A1A;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.cta-logo {
    width: 120px;
    height: 120px;
    margin-bottom: var(--space-xl);
    filter: drop-shadow(0 0 20px rgba(249, 115, 22, 0.4));
    transition: filter 0.3s ease;
}

.cta-logo:hover {
    filter: drop-shadow(0 0 40px rgba(249, 115, 22, 0.8)) drop-shadow(0 0 60px rgba(249, 115, 22, 0.5));
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: white;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: #999;
    margin-bottom: var(--space-xl);
}

.cta-note {
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: #666;
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-2xl) 0;
    background: #1A1A1A;
    border-top: 1px solid #333;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo {
    width: 28px;
    height: 28px;
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.footer-logo-highlight {
    color: var(--color-primary);
}

.footer-tagline {
    font-size: 0.875rem;
    color: #888;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: #888;
    transition: color var(--transition-fast);
}

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

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .code-feature {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

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

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

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

    .callout-card {
        flex-direction: column;
        text-align: center;
    }

    .callout-card .btn {
        margin-top: var(--space-md);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --space-4xl: 3rem;
        --space-3xl: 2rem;
        --space-2xl: 1.5rem;
    }

    section {
        padding: var(--space-2xl) 0;
    }

    .announcement-bar {
        flex-direction: column;
        gap: var(--space-xs);
        padding: var(--space-sm);
        font-size: 0.8rem;
    }

    .nav {
        top: 60px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: calc(120px + var(--space-xl)) 0 var(--space-xl);
    }

    .hero-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-top: var(--space-lg);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Hide code block on mobile */
    .code-feature-visual {
        display: none;
    }

    .code-feature {
        padding: var(--space-lg);
    }

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

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

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

    .company-logos {
        gap: var(--space-xl);
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--space-md);
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: var(--space-xl);
    }

    .callout-card {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .hero-cta {
        width: 100%;
    }

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

/* ===== Smooth Scroll & Animations ===== */
@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .problem-card,
    .pattern-tag {
        transition: all var(--transition-base);
    }
}

/* ===== Selection ===== */
::selection {
    background: var(--color-primary);
    color: white;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #F5F5F5;
}

::-webkit-scrollbar-thumb {
    background: #CCC;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}