/* --- DatToeic Pre-launch Landing Page Stylesheet --- */

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

:root {
    /* Colors in OKLCH (Modern, vibrant palette) */
    --primary: oklch(0.62 0.21 248); /* Sky Blue Accent */
    --primary-hover: oklch(0.55 0.23 248);
    --primary-light: oklch(0.94 0.05 248);
    --primary-glow: oklch(0.62 0.21 248 / 0.15);
    
    --secondary-bg: oklch(0.97 0.02 245);
    --neutral-950: oklch(0.14 0.03 242); /* Deep Ink/Near Black */
    --neutral-900: oklch(0.18 0.03 242);
    --neutral-800: oklch(0.28 0.02 242);
    --neutral-700: oklch(0.42 0.02 242);
    --neutral-400: oklch(0.68 0.01 242);
    --neutral-200: oklch(0.91 0.01 242);
    --neutral-100: oklch(0.95 0.01 242);
    --neutral-50: oklch(0.98 0.005 242);
    
    --success: oklch(0.68 0.18 142);
    --error: oklch(0.62 0.22 28);
    
    --bg: var(--neutral-50);
    --text: var(--neutral-900);
    --text-muted: var(--neutral-700);
    
    /* Typography */
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Layout & Constants */
    --header-height: 72px;
    --container-width: 1200px;
    
    /* Design Tokens */
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --radius-pill: 9999px;
    
    --shadow-soft: 0 4px 20px -2px oklch(0.18 0.03 242 / 0.04), 0 12px 40px -8px oklch(0.18 0.03 242 / 0.08);
    --shadow-hover: 0 12px 30px -4px oklch(0.18 0.03 242 / 0.08), 0 20px 50px -12px oklch(0.18 0.03 242 / 0.15);
    --shadow-inset: inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
    --shadow-inset-dark: inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    
    --border-light: 1px solid var(--neutral-200);
    
    /* Animation Easing */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-main);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

/* Accessibility Utilities */
.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;
}

/* Common Layout Components */
.section-container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.max-w-3xl {
    max-width: 768px;
}

/* Typography Defaults */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--neutral-950);
}

p {
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-muted);
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 6px 20px 0 var(--primary-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--primary-light);
    color: var(--primary-hover);
    border: 1px solid oklch(0.62 0.21 248 / 0.1);
}

.btn-secondary:hover {
    background-color: oklch(0.62 0.21 248 / 0.12);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-full {
    width: 100%;
}

/* Site Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 2px oklch(0.18 0.03 242 / 0.01);
}

.header-container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--neutral-950);
}

.logo-icon {
    font-size: 1.5rem;
}

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

.main-nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s var(--ease-out-expo);
}

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

/* Hero Section */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 4rem;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle at top right, oklch(0.93 0.05 248 / 0.6), transparent 50%),
                radial-gradient(circle at bottom left, oklch(0.93 0.03 200 / 0.4), transparent 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

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

.badge-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--primary-light);
    color: var(--primary-hover);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid oklch(0.62 0.21 248 / 0.15);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.08;
    margin-bottom: 20px;
    color: var(--neutral-950);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 48ch;
}

/* Inline Subscription Form (Hero) */
.subscribe-form-inline {
    width: 100%;
    max-width: 500px;
    margin-bottom: 24px;
}

.form-group-inline {
    display: flex;
    gap: 10px;
    background-color: white;
    padding: 6px;
    border-radius: var(--radius-md);
    border: var(--border-light);
    box-shadow: var(--shadow-soft);
    transition: focus-within 0.2s var(--ease-out-expo), border-color 0.2s var(--ease-out-expo);
}

.form-group-inline:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group-inline input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 16px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--neutral-900);
}

.form-group-inline input::placeholder {
    color: var(--neutral-400);
}

.form-message {
    font-size: 0.85rem;
    margin-top: 8px;
    padding-left: 12px;
    min-height: 20px;
    font-weight: 500;
}

.form-message.success {
    color: var(--success);
}

.form-message.error {
    color: var(--error);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
}

.trust-badge {
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: oklch(0.62 0.22 28); /* Warm coral red for limit notification */
    background-color: oklch(0.62 0.22 28 / 0.08);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.trust-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 460px;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: visible;
}

.hero-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 15px 30px oklch(0.18 0.03 242 / 0.1));
    z-index: 2;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-decoration-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, oklch(0.62 0.21 248 / 0.25) 0%, transparent 70%);
    z-index: 1;
    filter: blur(20px);
}

/* Logo Wall Section */
.logo-wall-section {
    padding: 2.5rem 0;
    background-color: var(--secondary-bg);
    border-top: var(--border-light);
    border-bottom: var(--border-light);
}

.logo-wall-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--neutral-400);
    text-align: center;
    margin-bottom: 24px;
}

.logo-grid-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 48px;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--neutral-700);
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.2s var(--ease-out-expo);
}

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

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

/* Features Section (Bento Grid) */
.features-section {
    padding: 8rem 0;
    background-color: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bento-card {
    background-color: var(--secondary-bg);
    border-radius: var(--radius-lg);
    border: var(--border-light);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s var(--ease-out-expo);
    box-shadow: var(--shadow-soft);
    position: relative;
    min-height: 320px;
}

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

.card-large {
    grid-column: span 2;
    flex-direction: row;
    align-items: stretch;
}

.card-medium {
    grid-column: span 1;
}

.card-small {
    grid-column: span 2;
    flex-direction: row;
    align-items: stretch;
}

.bento-card .card-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
    z-index: 2;
}

.card-large .card-content, .card-small .card-content {
    max-width: 50%;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.bento-card .card-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.bento-card .card-text {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.card-gradient-blue {
    background: linear-gradient(135deg, oklch(0.96 0.02 248) 0%, oklch(0.92 0.04 248) 100%);
    border-color: oklch(0.62 0.21 248 / 0.15);
}

/* Feature Visual elements (simulated UI within cards) */
.card-visual {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background-color: rgba(0, 0, 0, 0.02);
}

/* Vocab Float Mock */
.visual-vocabulary {
    background-color: transparent;
}

.vocab-card {
    background-color: white;
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border: var(--border-light);
    width: 90%;
    max-width: 280px;
}

.vocab-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--primary);
    background-color: var(--primary-light);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
}

.vocab-word {
    font-size: 1.4rem;
    margin: 8px 0;
}

.vocab-meaning {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.vocab-status {
    font-size: 0.75rem;
    color: var(--success);
    font-weight: 600;
    border-top: 1px dashed var(--neutral-200);
    padding-top: 8px;
}

/* Interactive Test UI Mock */
.visual-test-mock {
    background-color: var(--neutral-900);
    padding: 16px;
    display: flex;
    align-items: stretch;
}

.test-ui {
    background-color: var(--neutral-800);
    border-radius: var(--radius-md);
    padding: 16px;
    color: white;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.test-header {
    display: flex;
    justify-content: space-between;
    opacity: 0.6;
    font-weight: 600;
}

.timer {
    color: var(--primary);
}

.test-question {
    color: var(--neutral-100);
    font-weight: 500;
}

.test-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.option.correct {
    background-color: rgba(104, 225, 142, 0.15);
    border-color: var(--success);
    color: var(--success);
}

/* Analytics Chart Mock */
.visual-analytics {
    background-color: transparent;
}

.analytics-chart {
    width: 85%;
    background-color: white;
    padding: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border: var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chart-bar-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chart-bar {
    height: 8px;
    background-color: var(--neutral-100);
    border-radius: var(--radius-pill);
    position: relative;
}

.chart-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--val);
    background-color: var(--primary);
    border-radius: var(--radius-pill);
}

.chart-bar::after {
    content: attr(data-label) ' (' var(--val) ')';
    position: absolute;
    bottom: calc(100% + 4px);
    left: 0;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
}

.chart-hint {
    font-size: 0.75rem;
    color: var(--error);
    text-align: center;
    background-color: oklch(0.62 0.22 28 / 0.05);
    padding: 4px;
    border-radius: var(--radius-sm);
}

/* Streak Mock */
.visual-streak {
    background: radial-gradient(circle, oklch(0.62 0.21 248 / 0.1) 0%, transparent 70%);
}

.streak-badge {
    background-color: white;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    border: 3px solid var(--primary);
    position: relative;
    animation: pulse 2s infinite;
}

.streak-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.streak-text {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Timeline Section */
.timeline-section {
    padding: 8rem 0;
    background-color: var(--secondary-bg);
}

.timeline-track {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0;
    padding-left: 32px;
}

.timeline-track::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 11px;
    width: 2px;
    background-color: var(--neutral-200);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

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

.timeline-dot {
    position: absolute;
    left: -32px;
    top: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: white;
    border: 2px solid var(--neutral-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--neutral-400);
    z-index: 2;
}

.timeline-content-box {
    background-color: white;
    padding: 24px;
    border-radius: var(--radius-md);
    border: var(--border-light);
    box-shadow: var(--shadow-soft);
}

.timeline-date {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-hover);
    margin-bottom: 8px;
}

.timeline-item-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.timeline-item.completed .timeline-dot {
    background-color: var(--success);
    border-color: var(--success);
    color: white;
}

.timeline-item.active .timeline-dot {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}

.timeline-item.active .timeline-content-box {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Subscribe Form (Deep Glass UI) */
.subscribe-section {
    padding: 8rem 0;
    background-color: white;
}

.subscribe-box {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.card-glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow-soft);
    box-shadow: var(--shadow-hover);
}

/* Glow decoration under subscribe box */
.subscribe-box::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, oklch(0.62 0.21 248 / 0.08) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.subscribe-content {
    position: relative;
    padding: 48px;
    z-index: 1;
}

.subscribe-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 16px;
}

.subscribe-subtitle {
    text-align: center;
    max-width: 60ch;
    margin: 0 auto 32px;
}

/* Subscription Form Inputs */
.subscribe-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--neutral-900);
}

.form-field input[type="text"],
.form-field input[type="email"] {
    background-color: white;
    border: var(--border-light);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--neutral-900);
    outline: none;
    transition: border-color 0.2s var(--ease-out-expo), box-shadow 0.2s var(--ease-out-expo);
}

.form-field input[type="text"]:focus,
.form-field input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Validation styling using native :user-invalid */
.form-field input:user-invalid {
    border-color: var(--error);
    box-shadow: 0 0 0 3px oklch(0.62 0.22 28 / 0.15);
}

.checkbox-field {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-field input[type="checkbox"] {
    margin-top: 4px;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-field label {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    cursor: pointer;
}

/* FAQ Accordion Section */
.faq-section {
    padding: 8rem 0;
    background-color: var(--secondary-bg);
}

.faq-accordion {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: white;
    border-radius: var(--radius-md);
    border: var(--border-light);
    overflow: hidden;
    transition: border-color 0.2s var(--ease-out-expo);
}

.faq-item[open] {
    border-color: var(--primary);
}

.faq-question {
    padding: 24px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--neutral-950);
}

.faq-question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--neutral-500);
    transition: transform 0.2s var(--ease-out-expo);
}

.faq-item[open] .faq-question::after {
    transform: rotate(45deg);
    color: var(--primary);
}

/* Hide default marker in Safari */
.faq-question::-webkit-details-marker {
    display: none;
}

.faq-answer {
    padding: 0 24px 24px;
    border-top: 1px solid var(--neutral-100);
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.faq-answer ul {
    padding-left: 20px;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Site Footer */
.site-footer {
    background-color: var(--neutral-950);
    color: var(--neutral-400);
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.site-footer .logo {
    color: white;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-desc {
    font-size: 0.9rem;
    max-width: 35ch;
    color: var(--neutral-400);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.footer-col h4 {
    color: white;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: var(--neutral-400);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s var(--ease-out-expo);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: var(--neutral-400);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s var(--ease-out-expo);
}

.social-links a:hover {
    color: white;
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes float-slow {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(1deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 oklch(0.62 0.21 248 / 0.4); }
    70% { box-shadow: 0 0 0 15px oklch(0.62 0.21 248 / 0); }
    100% { box-shadow: 0 0 0 0 oklch(0.62 0.21 248 / 0); }
}

.animate-float-slow {
    animation: float-slow 4s ease-in-out infinite;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .card-large {
        grid-column: span 2;
    }
    
    .card-medium {
        grid-column: span 1;
    }
    
    .card-small {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        margin-bottom: 24px;
    }
    
    .hero-image-wrapper {
        max-width: 320px;
    }
    
    .logo-grid-flex {
        gap: 24px;
    }
    
    .main-nav {
        display: none; /* simple responsive handling */
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .card-large, .card-small {
        grid-column: span 1;
        flex-direction: column;
    }
    
    .card-large .card-content, .card-small .card-content {
        max-width: 100%;
    }
    
    .card-visual {
        min-height: 200px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
    
    .bottom-container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Reduced Motion (Accessibility) */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: initial !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }
    
    .hero-img, .animate-float-slow, .streak-badge {
        animation: none !important;
    }
}