/* ==========================================================================
   Sevensoft.tr - Ultra Modern Landing Page Style Architecture
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-main: #07090e;
    --bg-surface: #0f131d;
    --bg-surface-hover: #161b29;
    --bg-card: rgba(18, 24, 38, 0.7);
    --bg-glass: rgba(15, 22, 36, 0.65);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-indigo: #6366f1;
    --accent-indigo-glow: rgba(99, 102, 241, 0.35);
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: rgba(6, 182, 212, 0.3);
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #06b6d4 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
    --gradient-accent: linear-gradient(90deg, #6366f1, #06b6d4);
    --gradient-card-border: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(255, 255, 255, 0.05), rgba(6, 182, 212, 0.3));
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* Shadows & Effects */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);
    --shadow-cyan-glow: 0 0 40px rgba(6, 182, 212, 0.25);
    
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --container-width: 1240px;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

/* Background Glowing Orbs */
.bg-glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-indigo);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 450px;
    height: 450px;
    background: var(--accent-cyan);
    top: 40%;
    left: -150px;
}

.orb-3 {
    width: 600px;
    height: 600px;
    background: rgba(168, 85, 247, 0.3);
    bottom: -100px;
    right: 10%;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.text-gradient {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-title-wrapper {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--accent-indigo);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 1.25rem;
}

.badge-pill i {
    font-size: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--accent-indigo-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-indigo);
    transform: translateY(-3px);
}

.btn-playstore {
    background: #000000;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.4rem;
}

.btn-playstore:hover {
    background: #111827;
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

/* Header & Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.8rem 0;
    background: rgba(7, 9, 14, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px var(--accent-indigo-glow);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding-top: 10rem;
    padding-bottom: 6rem;
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.stat-item h4 {
    font-size: 1.8rem;
    color: var(--text-primary);
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.hero-visual {
    position: relative;
}

.hero-card-preview {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md), var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.hero-card-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: var(--gradient-card-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.mock-window-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.mock-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

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

.hero-app-mockup {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-card-mini {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}

.app-card-mini-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}

.hotel-icon { background: linear-gradient(135deg, #f59e0b, #d97706); }
.mobile-icon { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.custom-icon { background: linear-gradient(135deg, #06b6d4, #0891b2); }

.app-card-mini-info h5 {
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.app-card-mini-info p {
    font-size: 0.825rem;
    color: var(--text-secondary);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    background: var(--bg-surface-hover);
}

.service-icon-box {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-indigo);
    font-size: 1.75rem;
    margin-bottom: 1.75rem;
    transition: var(--transition);
}

.service-card:hover .service-icon-box {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--accent-indigo-glow);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.975rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--accent-cyan);
}

/* Hotel Software Feature Highlight */
.hotel-feature-section {
    background: linear-gradient(180deg, rgba(15, 19, 29, 0.6) 0%, rgba(7, 9, 14, 0.9) 100%);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.hotel-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
}

.hotel-banner-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.25rem;
}

.hotel-banner-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.hotel-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.hotel-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.hotel-tag i {
    color: var(--accent-amber);
}

/* Google Play Apps Showcase */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.app-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-cyan-glow);
    transform: translateY(-4px);
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.app-details h3 {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
}

.app-category {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.app-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.app-meta {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.app-meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.app-meta-item i.star {
    color: #fbbf24;
}

/* Why Sevensoft Grid */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.why-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.75rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.why-card:hover {
    border-color: var(--accent-indigo);
    background: var(--bg-surface-hover);
}

.why-card i {
    font-size: 2.2rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    display: inline-block;
}

.why-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.why-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3.5rem;
    align-items: start;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-info-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-method-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-indigo);
    font-size: 1.25rem;
}

.contact-text span {
    display: block;
    font-size: 0.825rem;
    color: var(--text-muted);
}

.contact-text strong {
    font-size: 1rem;
    color: var(--text-primary);
}

.contact-form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background: rgba(7, 9, 14, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #040508;
    border-top: 1px solid var(--border-subtle);
    padding-top: 5rem;
    padding-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.social-links {
    display: flex;
    gap: 0.8rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.social-icon:hover {
    background: var(--accent-indigo);
    color: #ffffff;
    border-color: var(--accent-indigo);
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Legal Pages Styling (standalone kvkk.php, etc) */
.legal-container {
    padding-top: 9rem;
    padding-bottom: 6rem;
    max-width: 900px;
    margin: 0 auto;
}

.legal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 3rem;
}

.legal-card h1 {
    font-size: 2.4rem;
    margin-bottom: 0.5rem;
}

.legal-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.legal-content h2 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
}

.legal-content p, .legal-content ul {
    color: var(--text-secondary);
    font-size: 0.975rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.legal-content ul {
    padding-left: 1.5rem;
    list-style-type: disc;
}

/* Modal Overlay & Dialog */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 800px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.active .modal-box {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: #ff5f56;
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.modal-body h4 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: flex-end;
}

/* Form status alert */
.form-alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: none;
    font-size: 0.9rem;
}

.form-alert.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--accent-emerald);
    color: #6ee7b7;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid, .apps-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hotel-banner {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-subtle);
        padding: 2rem;
        flex-direction: column;
        gap: 1.5rem;
        display: none;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .app-card {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Tech Stack & Developer Architecture Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.tech-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-card:hover {
    border-color: var(--accent-indigo);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
    background: var(--bg-surface-hover);
}

.tech-card-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.tech-card-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-indigo);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tech-card:hover .tech-card-icon {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--accent-indigo-glow);
}

.tech-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.2rem;
}

.tech-card-subtitle {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tech-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tech-chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.825rem;
    color: var(--text-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.tech-chip i {
    color: var(--accent-indigo);
    font-size: 0.75rem;
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}

/* 3D Interactive Visual Container & Animation */
.hero-visual {
    perspective: 1200px;
    position: relative;
}

.hero-card-preview {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: var(--shadow-md), var(--shadow-glow);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
}

/* 3D Orbital Revolving Ring Background */
.orbit-ring {
    position: absolute;
    width: 380px;
    height: 380px;
    border: 2px dashed rgba(99, 102, 241, 0.25);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    margin-top: -190px;
    margin-left: -190px;
    pointer-events: none;
    animation: rotate3d 20s linear infinite;
    transform-style: preserve-3d;
}

.orbit-ring::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    width: 14px;
    height: 14px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-cyan);
}

@keyframes rotate3d {
    from { transform: rotateX(45deg) rotateY(-15deg) rotateZ(0deg); }
    to { transform: rotateX(45deg) rotateY(-15deg) rotateZ(360deg); }
}

/* 3D Phone Screen & Floating Layers */
.phone-mockup-3d {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), rgba(7, 9, 14, 0.98));
    border: 2px solid rgba(99, 102, 241, 0.4);
    border-radius: 28px;
    padding: 1.5rem;
    position: relative;
    transform-style: preserve-3d;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.25);
    overflow: hidden;
}

.phone-mockup-3d::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 18px;
    background: #000;
    border-radius: 10px;
    z-index: 10;
}

/* Floating 3D Badge Layers with Parallax Depth */
.floating-badge-3d {
    position: absolute;
    background: rgba(15, 22, 36, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(6, 182, 212, 0.4);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(6, 182, 212, 0.3);
    z-index: 20;
    transition: transform 0.2s ease;
}

.floating-badge-top {
    top: -15px;
    right: -15px;
    transform: translateZ(45px);
    animation: floatAnim 4s ease-in-out infinite alternate;
}

.floating-badge-bottom {
    bottom: -15px;
    left: -15px;
    transform: translateZ(60px);
    animation: floatAnim 5s ease-in-out infinite alternate-reverse;
}

@keyframes floatAnim {
    0% { transform: translateZ(45px) translateY(0px); }
    100% { transform: translateZ(45px) translateY(-10px); }
}

.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #10b981;
    letter-spacing: 0.05em;
    background: rgba(16, 185, 129, 0.12);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
    animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
}

/* 3D Animated Progress Bars inside Phone Screen */
.animated-screen-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.animated-screen-bar-inner {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 4px;
    width: 0%;
    animation: loadBar 3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes loadBar {
    0% { width: 10%; }
    50% { width: 85%; }
    100% { width: 100%; }
}