/* ============================================
   SorguPanelivar - Professional CSS
   Version: 2026.9.1
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #22d3ee;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-2: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
    --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

/* Light Mode */
[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-darker: #e2e8f0;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

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

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

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2rem;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

@keyframes preloaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.preloader-bar {
    width: 200px;
    height: 4px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.preloader-bar::after {
    content: '';
    display: block;
    width: 40%;
    height: 100%;
    background: var(--gradient-1);
    border-radius: 10px;
    animation: preloaderSlide 1.2s ease-in-out infinite;
}

@keyframes preloaderSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

.preloader-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-1);
    z-index: 10001;
    transition: width 0.1s;
}

/* ---------- Particles Container ---------- */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ---------- Header ---------- */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
    padding: 1rem 2rem;
    transition: var(--transition);
}

header.scrolled {
    padding: 0.6rem 2rem;
    box-shadow: var(--shadow-lg);
    background: rgba(15, 23, 42, 0.98);
}

[data-theme="light"] header,
[data-theme="light"] header.scrolled {
    background: rgba(248, 250, 252, 0.95);
    border-bottom-color: rgba(99, 102, 241, 0.1);
}

nav {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    font-size: 1.6rem;
    -webkit-text-fill-color: initial;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.3rem 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
    border-radius: 2px;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(99, 102, 241, 0.3);
    background: transparent;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.1);
    transform: rotate(15deg);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 7rem 2rem 4rem;
    position: relative;
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 0.8s ease;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--accent);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: badgePulse 3s infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 0 12px rgba(99, 102, 241, 0); }
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero h1 .highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Buttons ---------- */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.btn {
    padding: 1rem 2.2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(34, 211, 238, 0.2);
}

/* ---------- Stats ---------- */
.stats {
    display: flex;
    justify-content: center;
    gap: 3.5rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: -1.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(99, 102, 241, 0.2);
}

.stat-item:last-child::after {
    display: none;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-mono);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.3rem;
}

/* ---------- Section Common ---------- */
.section {
    padding: 6rem 2rem;
}

.section-alt {
    background: rgba(30, 41, 59, 0.3);
}

[data-theme="light"] .section-alt {
    background: rgba(226, 232, 240, 0.5);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-title p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

/* ---------- Terminal ---------- */
.terminal-section {
    padding: 4rem 2rem;
}

.terminal {
    max-width: 720px;
    margin: 0 auto;
    background: #0d1117;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.terminal-header {
    background: #161b22;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
    color: var(--text-muted);
    margin-left: 0.8rem;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 2;
}

.terminal-line {
    opacity: 0;
    animation: typeLine 0.4s forwards;
}

.terminal-line:nth-child(1) { animation-delay: 0.3s; }
.terminal-line:nth-child(2) { animation-delay: 0.7s; }
.terminal-line:nth-child(3) { animation-delay: 1.1s; }
.terminal-line:nth-child(4) { animation-delay: 1.5s; }
.terminal-line:nth-child(5) { animation-delay: 1.9s; }
.terminal-line:nth-child(6) { animation-delay: 2.3s; }

@keyframes typeLine {
    to { opacity: 1; }
}

.terminal-prompt { color: var(--accent); }
.terminal-command { color: #e6edf3; }
.terminal-output { color: var(--accent-green); }
.terminal-warning { color: var(--accent-yellow); }
.terminal-error { color: var(--accent-red); }

/* ---------- Features Grid ---------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(99, 102, 241, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.4s;
    transform-origin: left;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-md), 0 0 30px rgba(99, 102, 241, 0.1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: rgba(99, 102, 241, 0.2);
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ---------- Steps ---------- */
.steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    flex: 1;
    min-width: 250px;
    position: relative;
    padding: 2rem;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 25px rgba(99, 102, 241, 0.4);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    animation: stepPulse 2s infinite;
}

@keyframes stepPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0; }
}

.step h3 {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ---------- Services Grid ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.08);
    transition: var(--transition);
    cursor: default;
}

.service-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(34, 211, 238, 0.15);
}

.service-item .icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    display: block;
}

.service-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.service-item p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---------- FAQ ---------- */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 0.8rem;
    border: 1px solid rgba(99, 102, 241, 0.08);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(99, 102, 241, 0.2);
}

.faq-item.active {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.1);
}

.faq-question {
    padding: 1.3rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition);
    user-select: none;
}

.faq-question:hover {
    background: rgba(99, 102, 241, 0.05);
}

.faq-toggle {
    font-size: 1.4rem;
    color: var(--accent);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta-box {
    max-width: 850px;
    margin: 0 auto;
    background: var(--gradient-1);
    border-radius: var(--radius-xl);
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -30%;
    width: 80%;
    height: 120%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: ctaGlow 8s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10%, 10%); }
}

.cta-box h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
    position: relative;
}

.cta-box p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    position: relative;
}

.cta-box .btn {
    background: white;
    color: var(--primary-dark);
    font-weight: 700;
    position: relative;
}

.cta-box .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3);
}

/* ---------- Footer ---------- */
footer {
    background: var(--bg-darker);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
}

.footer-section h4 {
    margin-bottom: 1.2rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.6rem;
}

.footer-section ul a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-section ul a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.08);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    border: none;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

/* ---------- Toast Notification ---------- */
.toast-container {
    position: fixed;
    top: 5rem;
    right: 2rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.toast {
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.4s ease;
    min-width: 300px;
}

.toast.success { border-left: 4px solid var(--accent-green); }
.toast.error { border-left: 4px solid var(--accent-red); }
.toast.info { border-left: 4px solid var(--accent); }

.toast-icon { font-size: 1.3rem; }
.toast-message { font-size: 0.9rem; flex: 1; }

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.2rem;
    transition: var(--transition);
}

.toast-close:hover { color: var(--accent-red); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.removing {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
    to { opacity: 0; transform: translateX(50px); }
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.99);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    }

    [data-theme="light"] .nav-links {
        background: rgba(248, 250, 252, 0.99);
    }

    .nav-links.active { display: flex; }

    .stats { gap: 2rem; }
    .stat-item::after { display: none; }

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

    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }

    .cta-box { padding: 3rem 1.5rem; }

    .toast { min-width: auto; margin: 0 1rem; }
}

@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
}