/* ============================================================
   AiziBox Landing Page - Premium Stylesheet
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
    /* Light Theme Variables */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --border-light: #f1f5f9;
    --border-medium: #e2e8f0;
    --border-dark: #cbd5e1;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-white: #ffffff;

    --accent-blue: #0f62fe;
    --accent-blue-hover: #0043ce;
    --accent-blue-light: #edf5ff;
    
    --accent-green: #24a148;
    --accent-green-light: #e5f6eb;
    --accent-yellow: #f1c21b;
    --accent-yellow-light: #fcf4d6;
    --accent-orange: #fa4d56;
    --accent-orange-light: #fff0f1;
    --accent-purple: #8a3ffc;
    --accent-purple-light: #f4f0ff;

    /* Card Folder Backgrounds (Consistent with dashboard) */
    --folder-orange-bg: #fff0eb;
    --folder-orange-icon: #ff6f35;
    --folder-yellow-bg: #fffbeb;
    --folder-yellow-icon: #fcc419;
    --folder-green-bg: #ebfbee;
    --folder-green-icon: #40c057;
    --folder-blue-bg: #e8f4fd;
    --folder-blue-icon: #1c7ed6;
    --folder-purple-bg: #f3f0fd;
    --folder-purple-icon: #7048e8;
    --folder-red-bg: #fff0f1;
    --folder-red-icon: #fa4d56;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.05), 0 4px 8px rgba(0, 0, 0, 0.03);
    --shadow-glow: 0 8px 30px rgba(15, 98, 254, 0.15);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    --navbar-bg: rgba(248, 250, 252, 0.8);
    --hero-sphere-1: rgba(15, 98, 254, 0.08);
    --hero-sphere-2: rgba(138, 63, 252, 0.08);
}

/* --- Dark Theme Variables --- */
[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --border-light: #1f2937;
    --border-medium: #374151;
    --border-dark: #4b5563;

    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #6b7280;

    --accent-blue: #3b82f6;
    --accent-blue-hover: #60a5fa;
    --accent-blue-light: rgba(59, 130, 246, 0.15);
    
    --accent-green: #10b981;
    --accent-green-light: rgba(16, 185, 129, 0.15);
    --accent-yellow: #f59e0b;
    --accent-yellow-light: rgba(245, 158, 11, 0.15);
    --accent-orange: #f97316;
    --accent-orange-light: rgba(249, 115, 22, 0.15);
    --accent-purple: #a855f7;
    --accent-purple-light: rgba(168, 85, 247, 0.15);

    /* Folder Colors in dark mode */
    --folder-orange-bg: rgba(249, 115, 22, 0.1);
    --folder-orange-icon: #f97316;
    --folder-yellow-bg: rgba(245, 158, 11, 0.1);
    --folder-yellow-icon: #f59e0b;
    --folder-green-bg: rgba(16, 185, 129, 0.1);
    --folder-green-icon: #10b981;
    --folder-blue-bg: rgba(59, 130, 246, 0.1);
    --folder-blue-icon: #3b82f6;
    --folder-purple-bg: rgba(168, 85, 247, 0.1);
    --folder-purple-icon: #a855f7;
    --folder-red-bg: rgba(239, 68, 68, 0.1);
    --folder-red-icon: #ef4444;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 8px 30px rgba(59, 130, 246, 0.25);
    
    --navbar-bg: rgba(11, 15, 25, 0.8);
    --hero-sphere-1: rgba(59, 130, 246, 0.12);
    --hero-sphere-2: rgba(168, 85, 247, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography Helpers --- */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    outline: none;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    box-shadow: 0 4px 12px rgba(15, 98, 254, 0.3);
    transform: translateY(-1px);
}

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

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

.btn-white {
    background-color: var(--text-white);
    color: #0f172a;
}

.btn-white:hover {
    background-color: #f8fafc;
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 0.98rem;
}

/* --- Header & Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-slow);
}

.nav-brand:hover .nav-logo {
    transform: rotate(45deg);
}

.nav-brand-text {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--accent-blue);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.btn-theme-toggle:hover {
    background-color: var(--border-light);
    color: var(--text-primary);
}

.nav-cta {
    padding: 10px 18px;
    font-size: 0.88rem;
    background-color: var(--accent-blue);
    color: var(--text-white);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--accent-blue-hover);
    box-shadow: 0 4px 10px rgba(15, 98, 254, 0.25);
}

.nav-cta-mobile {
    display: none;
}

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    width: 24px;
}

.nav-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    padding: 180px 0 100px 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-gradients {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.gradient-sphere {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(140px);
}

.sphere-1 {
    top: -10%;
    right: 5%;
    width: 450px;
    height: 450px;
    background-color: var(--hero-sphere-1);
    animation: floatAnimation 8s ease-in-out infinite alternate;
}

.sphere-2 {
    bottom: 10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background-color: var(--hero-sphere-2);
    animation: floatAnimation 12s ease-in-out infinite alternate-reverse;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.03em;
    display: inline-block;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 24px;
    animation: fadeSlideUp 0.6s var(--transition-slow) both;
}

.hero-subtitle {
    font-size: 1.08rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 36px;
    max-width: 540px;
    animation: fadeSlideUp 0.8s var(--transition-slow) both;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeSlideUp 1s var(--transition-slow) both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border-medium);
    padding-top: 32px;
    width: 100%;
    animation: fadeSlideUp 1.2s var(--transition-slow) both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 4px;
}

/* --- Hero Visual Mockup --- */
.hero-preview {
    position: relative;
    width: 100%;
    perspective: 1000px;
    animation: mockFloat 6s ease-in-out infinite;
}

.mockup-frame {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    width: 100%;
    max-width: 520px;
    margin-left: auto;
    transition: transform var(--transition-slow), border-color var(--transition-base);
}

.mockup-frame:hover {
    transform: rotateY(-5deg) rotateX(5deg);
    border-color: var(--border-dark);
}

.mockup-header {
    background-color: var(--border-light);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border-medium);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dots .dot.red { background-color: #ff5f56; }
.mockup-dots .dot.yellow { background-color: #ffbd2e; }
.mockup-dots .dot.green { background-color: #27c93f; }

.mockup-search {
    flex-grow: 1;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    padding: 4px 12px;
    font-size: 0.7rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.mockup-body {
    display: grid;
    grid-template-columns: 160px 1fr;
    height: 300px;
}

.mockup-sidebar {
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-medium);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 0.85rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
    flex-grow: 1;
}

.sidebar-item {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
}

.sidebar-item.active {
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
}

.sidebar-storage {
    margin-top: auto;
    padding: 10px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
}

.storage-title {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 700;
}

.storage-progress-bar {
    background-color: var(--border-light);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin: 6px 0;
}

.progress-fill {
    background-color: var(--accent-blue);
    height: 100%;
}

.storage-text {
    font-size: 0.58rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.mockup-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.content-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
}

.badge-account {
    font-size: 0.62rem;
    background-color: var(--accent-green-light);
    color: var(--accent-green);
    padding: 4px 8px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.mockup-files-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
}

.file-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

.file-row:hover {
    border-color: var(--border-dark);
}

.file-icon {
    font-size: 1.1rem;
}

.file-details {
    flex-grow: 1;
}

.file-name {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-primary);
}

.file-meta {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 500;
}

.file-size {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* --- Features Section --- */
.features-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px auto;
}

.section-tag {
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-blue);
}

.feature-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

/* Color Classes for Icons */
.feature-icon.bg-blue {
    background-color: var(--folder-blue-bg);
    color: var(--folder-blue-icon);
}
.feature-icon.bg-orange {
    background-color: var(--folder-orange-bg);
    color: var(--folder-orange-icon);
}
.feature-icon.bg-yellow {
    background-color: var(--folder-yellow-bg);
    color: var(--folder-yellow-icon);
}
.feature-icon.bg-green {
    background-color: var(--folder-green-bg);
    color: var(--folder-green-icon);
}
.feature-icon.bg-red {
    background-color: var(--folder-red-bg);
    color: var(--folder-red-icon);
}
.feature-icon.bg-purple {
    background-color: var(--folder-purple-bg);
    color: var(--folder-purple-icon);
}

.feature-card-title {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- How It Works Section --- */
.how-it-works {
    padding: 100px 0;
    background-color: var(--bg-primary);
}

.steps-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 48px;
}

.step-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    flex: 1;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 44px;
    height: 44px;
    background-color: var(--accent-blue);
    color: var(--text-white);
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    box-shadow: 0 4px 10px rgba(15, 98, 254, 0.2);
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.step-arrow {
    font-size: 1.8rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* --- FAQ Section --- */
.faq-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.faq-accordion-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-dark);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
}

.faq-question .faq-icon {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: transform var(--transition-base);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer p {
    padding: 0 24px 24px 24px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Open State */
.faq-item.active {
    border-color: var(--accent-blue);
}

.faq-item.active .faq-question .faq-icon {
    transform: rotate(45deg);
    color: var(--accent-blue);
}

/* --- Call To Action Section --- */
.cta-section {
    padding: 100px 0;
    background-color: var(--bg-primary);
}

.cta-container {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    border-radius: var(--radius-xl);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.cta-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--text-white);
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-bottom: 36px;
    line-height: 1.6;
}

/* --- Footer --- */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    padding: 64px 0 32px 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-brand-name {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.footer-divider {
    height: 1px;
    background-color: var(--border-medium);
    margin-bottom: 32px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.built-with {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* --- Animations --- */
@keyframes floatAnimation {
    0% { transform: translateY(0px) scale(1); }
    100% { transform: translateY(-20px) scale(1.05); }
}

@keyframes mockFloat {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsiveness (Media Queries) --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
        padding-top: 40px;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-preview {
        max-width: 460px;
        margin: 0 auto;
    }
    
    .steps-flow {
        flex-direction: column;
        gap: 16px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 8px 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Mobile menu logic toggled by JS */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-medium);
        padding: 24px;
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-hamburger {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .nav-cta-mobile {
        display: block;
        width: 100%;
        padding: 12px;
        background-color: var(--accent-blue);
        color: var(--text-white);
        border-radius: var(--radius-md);
        text-align: center;
        text-decoration: none;
        font-weight: 600;
        margin-top: 8px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
}