/* ========================================
   GaYo Mail - Email-Focused Styles
======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --bg: #ffffff;
    --bg-alt: #f9fafb;
    --bg-dark: #111827;
    --border: #e5e7eb;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   NAVIGATION
======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.logo span {
    color: #fbbf24;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-cta {
    background: var(--gradient);
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 80px;
    background: var(--gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

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

/* ========================================
   EMAIL PREVIEW
======================================== */

.email-preview {
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.email-window {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    margin: 0 auto;
}

.email-header {
    background: #f5f5f5;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.email-dots {
    display: flex;
    gap: 0.4rem;
}

.email-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.email-dots span:nth-child(1) { background: #ff5f56; }
.email-dots span:nth-child(2) { background: #ffbd2e; }
.email-dots span:nth-child(3) { background: #27c93f; }

.email-title {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
}

.email-body {
    display: grid;
    grid-template-columns: 200px 1fr;
    height: 300px;
    color: var(--text);
}

.email-sidebar {
    background: #fafafa;
    padding: 1rem 0.5rem;
    border-right: 1px solid #e0e0e0;
}

.sidebar-item {
    padding: 0.7rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: var(--text);
    cursor: pointer;
    transition: background 0.3s;
}

.sidebar-item:hover {
    background: #f0f0f0;
}

.sidebar-item.active {
    background: #e8eeff;
    color: var(--primary);
    font-weight: 600;
}

.email-list {
    padding: 1rem;
}

.email-item {
    padding: 1rem;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background 0.3s;
}

.email-item:hover {
    background: #fafafa;
}

.email-item.unread {
    background: #f0f7ff;
}

.email-from {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.3rem;
}

.email-subject {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========================================
   BOOKING CARD
======================================== */

.booking-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease 0.8s backwards;
    color: var(--text);
    margin-bottom: 3rem;
}

.booking-card h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.booking-card > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.email-input-group {
    display: flex;
    align-items: center;
    background: var(--bg-alt);
    border: 3px solid var(--border);
    border-radius: 50px;
    padding: 0.5rem 0.5rem 0.5rem 1.5rem;
    transition: border-color 0.3s;
    margin-bottom: 1.5rem;
}

.email-input-group:focus-within {
    border-color: var(--primary);
}

.email-input-group input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1.3rem;
    outline: none;
    padding: 1rem 0.5rem;
    color: var(--text);
    font-weight: 600;
}

.email-input-group .domain {
    color: var(--text-light);
    font-size: 1.3rem;
    font-weight: 600;
    margin-right: 0.8rem;
}

.check-btn {
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.check-btn:hover:not(:disabled) {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.check-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.availability-result {
    padding: 1.2rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    display: none;
    animation: slideIn 0.4s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.availability-result.available {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid var(--success);
    display: block;
}

.availability-result.taken {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid var(--error);
    display: block;
}

.availability-result.error {
    background: #fef3c7;
    color: #92400e;
    border: 2px solid var(--warning);
    display: block;
}

.hidden {
    display: none !important;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s;
    background: var(--bg-alt);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-alt);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.2rem;
}

.input-display input {
    flex: 1;
    border: none;
    padding: 0;
    background: transparent;
    font-weight: 600;
}

.input-display span {
    color: var(--text-light);
    font-weight: 600;
}

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1rem;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.back-btn {
    width: 100%;
    padding: 1rem;
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* Success Message */
.success-msg {
    text-align: center;
    padding: 2rem;
    animation: scaleIn 0.6s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    margin: 0 auto 2rem;
}

.success-msg h3 {
    color: var(--success);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.success-msg p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.success-email {
    background: var(--bg-alt);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 800;
}

.success-perks {
    background: rgba(102, 126, 234, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    text-align: left;
}

.success-perks p {
    font-weight: 700;
    margin-bottom: 1rem;
}

.success-perks ul {
    list-style: none;
    padding: 0;
}

.success-perks li {
    padding: 0.5rem 0;
    color: var(--text);
}

.cta-btn {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    animation: fadeInUp 0.8s ease 1s backwards;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-num {
    font-size: 3rem;
    font-weight: 900;
    color: #fbbf24;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.95;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   FEATURES SECTION
======================================== */

.features {
    padding: 100px 0;
    background: var(--bg-alt);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   HOW IT WORKS SECTION
======================================== */

.how-it-works {
    padding: 100px 0;
    background: white;
}

.demo-section {
    margin-top: 4rem;
}

.demo-card {
    background: var(--bg-alt);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 2px solid var(--border);
}

.demo-header {
    text-align: center;
    margin-bottom: 2rem;
}

.demo-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.demo-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.demo-content {
    display: grid;
    gap: 2rem;
}

.demo-screen {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    border: 1px solid var(--border);
}

/* Email Screen */
.email-screen {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 400px;
}

.screen-sidebar {
    background: #fafafa;
    padding: 1.5rem 1rem;
    border-right: 1px solid var(--border);
}

.compose-btn {
    background: var(--gradient);
    color: white;
    padding: 0.8rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 1.5rem;
    cursor: pointer;
}

.folder-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.3rem;
    cursor: pointer;
    transition: background 0.3s;
}

.folder-item:hover {
    background: #f0f0f0;
}

.folder-item.active {
    background: #e8eeff;
    color: var(--primary);
    font-weight: 600;
}

.badge {
    background: var(--primary);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
}

.screen-main {
    padding: 1.5rem;
}

.mail-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.3s;
}

.mail-item:hover {
    background: var(--bg-alt);
}

.mail-item.important {
    border-left: 4px solid #fbbf24;
}

.mail-item.ai {
    background: #f0f7ff;
}

.mail-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.ai-avatar {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

.mail-details {
    flex: 1;
}

.mail-from {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.3rem;
}

.mail-subject {
    color: var(--text);
    margin-bottom: 0.3rem;
}

.mail-preview {
    color: var(--text-light);
    font-size: 0.9rem;
}

.ai-tag {
    display: inline-block;
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.mail-time {
    color: var(--text-lighter);
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* Chat Screen */
.chat-screen {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 500px;
}

.chat-list {
    background: #fafafa;
    border-right: 1px solid var(--border);
    overflow-y: auto;
}

.chat-search {
    padding: 1rem;
    margin: 1rem;
    background: white;
    border-radius: 8px;
    color: var(--text-lighter);
    border: 1px solid var(--border);
}

.chat-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    cursor: pointer;
    transition: background 0.3s;
    border-bottom: 1px solid var(--border);
}

.chat-item:hover {
    background: #f0f0f0;
}

.chat-item.active {
    background: white;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.chat-info {
    flex: 1;
    overflow: hidden;
}

.chat-name {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.chat-last {
    color: var(--text-light);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-time {
    color: var(--text-lighter);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.chat-window {
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.chat-contact {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.chat-status {
    color: var(--text-light);
    font-size: 0.85rem;
}

.chat-actions {
    display: flex;
    gap: 0.5rem;
}

.chat-actions button {
    padding: 0.5rem 1rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.chat-actions button:hover {
    background: #e8eeff;
}

.chat-messages {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    background: #fafafa;
}

.message {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.message.received {
    align-items: flex-start;
}

.message.sent {
    align-items: flex-end;
}

.message-text {
    background: white;
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    max-width: 70%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.message.sent .message-text {
    background: var(--primary);
    color: white;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-lighter);
    margin-top: 0.3rem;
}

.chat-input-area {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.chat-input {
    flex: 1;
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 24px;
    outline: none;
}

.send-btn {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    transition: background 0.3s;
}

.send-btn:hover {
    background: var(--secondary);
}

/* AI Screen */
.ai-screen {
    padding: 2rem;
    min-height: 500px;
}

.ai-panel {
    text-align: center;
}

.ai-avatar-big {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.ai-panel h4 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text);
}

.ai-suggestions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.ai-card {
    background: var(--bg-alt);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: left;
    border: 2px solid var(--border);
    transition: transform 0.3s;
}

.ai-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.ai-card-title {
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.8rem;
}

.ai-card-content {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.ai-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.ai-btn:hover {
    background: var(--secondary);
}

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

.demo-feature {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    color: var(--text);
    font-weight: 500;
}

/* ========================================
   COMPARISON SECTION
======================================== */

.compare {
    padding: 100px 0;
    background: var(--bg-alt);
}

.compare-table {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    margin-top: 3rem;
}

.compare-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border);
}

.compare-row:last-child {
    border-bottom: none;
}

.compare-row.header {
    background: var(--bg-dark);
    color: white;
    font-weight: 700;
}

.compare-cell {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.compare-cell:not(:last-child) {
    border-right: 1px solid var(--border);
}

.compare-row.header .compare-cell:not(:last-child) {
    border-right-color: rgba(255, 255, 255, 0.2);
}

.compare-cell.highlight {
    background: rgba(102, 126, 234, 0.05);
    font-weight: 600;
}

.compare-row.header .compare-cell.highlight {
    background: var(--primary);
}

/* ========================================
   CTA SECTION
======================================== */

.cta {
    padding: 100px 0;
    background: var(--gradient);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.cta-btn-large {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 1.5rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.3rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.cta-note {
    margin-top: 2rem;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* ========================================
   FOOTER
======================================== */

.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-col span {
    color: #fbbf24;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.footer-tag {
    color: #fbbf24;
    font-weight: 600;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: #fbbf24;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 0.7rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */

@media (max-width: 1024px) {
    .email-body {
        grid-template-columns: 1fr;
    }
    
    .email-sidebar {
        display: none;
    }
    
    .email-screen,
    .chat-screen {
        grid-template-columns: 1fr;
    }
    
    .screen-sidebar,
    .chat-list {
        display: none;
    }
    
    .ai-suggestions {
        grid-template-columns: 1fr;
    }
    
    .demo-features {
        grid-template-columns: 1fr;
    }
    
    .compare-row {
        grid-template-columns: 1fr;
    }
    
    .compare-cell:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .booking-card {
        padding: 2rem 1.5rem;
    }
    
    .email-input-group {
        flex-direction: column;
        padding: 1rem;
        border-radius: 12px;
        gap: 1rem;
    }
    
    .email-input-group input,
    .email-input-group .domain {
        text-align: center;
    }
    
    .check-btn {
        width: 100%;
        border-radius: 12px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .nav-links a:not(.nav-cta) {
        display: none;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .email-window {
        display: none;
    }
}