:root {
    --primary: #06B6D4;
    --primary-glow: rgba(6, 182, 212, 0.4);
    --accent: #38bdf8;
    --bg: rgba(4, 11, 22, 0.4);
    --bg-darker: rgba(2, 6, 12, 0.6);
    --surface: rgba(15, 23, 42, 0.5);
    --surface-glass: rgba(15, 23, 42, 0.6);
    --border: rgba(255, 255, 255, 0.1);
    --text: #F8FAFC;
    --text-muted: #94A3B8;
    --radius: 16px;
    --font-main: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: #02060C;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* WebGL Canvas */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Flex Utilities */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, color 0.3s ease;
    padding: 12px 24px;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--primary);
    color: #02060C;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    background-color: #22D3EE;
}

.btn-outline {
    background-color: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 18px; }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    background: rgba(2, 6, 12, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s ease, background 0.3s ease;
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(2, 6, 12, 0.95);
}

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

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 900;
    color: var(--text);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 3px;
    color: var(--text-muted);
    padding-left: 35px;
    margin-top: -2px;
    text-transform: uppercase;
}

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

.nav-links a:not(.btn) {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    color: var(--text);
    cursor: pointer;
}

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

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Premium Phone Mockup (Radar Edition) */
.hero-mockup-wrapper {
    position: relative;
    perspective: 1200px;
}

@keyframes floatPhone {
    0% { transform: translateY(0px) rotateY(-15deg) rotateX(5deg); }
    50% { transform: translateY(-20px) rotateY(-12deg) rotateX(8deg); }
    100% { transform: translateY(0px) rotateY(-15deg) rotateX(5deg); }
}

.mockup-frame {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 9/19.5;
    margin: 0 auto;
    background: #000;
    border-radius: 40px;
    border: 12px solid #0F172A;
    box-shadow: 
        inset 0 0 0 2px rgba(255, 255, 255, 0.1),
        0 30px 60px -12px rgba(0, 0, 0, 0.8),
        0 0 50px rgba(6, 182, 212, 0.2),
        20px 20px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    position: relative;
    animation: floatPhone 6s ease-in-out infinite;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Telefon Çentiği Kaldırıldı */

.mockup-frame::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        to right, 
        rgba(255,255,255,0) 0%, 
        rgba(255,255,255,0.08) 50%, 
        rgba(255,255,255,0) 100%
    );
    transform: skewX(-25deg);
    z-index: 5;
    animation: glareSwipe 8s infinite;
    pointer-events: none;
}

@keyframes glareSwipe {
    0%, 50% { left: -100%; }
    70%, 100% { left: 200%; }
}

.mockup-frame:hover {
    animation-play-state: paused;
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}

.mockup-content {
    width: 100%;
    height: 100%;
    background-color: var(--surface);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    z-index: 1;
}

/* Features */
.features {
    padding: 100px 0;
    background-color: var(--bg-darker);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: 40px 30px;
    border-radius: var(--radius);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px -10px var(--primary-glow);
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Screenshots */
.screenshots {
    padding: 100px 0;
}

.screenshots-container {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 10px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    cursor: grab;
}

.screenshots-container::-webkit-scrollbar {
    display: none;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 280px;
    height: 600px;
    border-radius: 30px;
    overflow: hidden;
    border: 8px solid #0F172A;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    position: relative;
    background: #000;
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none; /* Prevents image drag conflict */
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background-color: var(--bg-darker);
}

.cta-container {
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    padding: 60px 40px;
    border-radius: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.cta-container h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta-container p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.store-btn {
    padding: 12px 24px;
    text-align: left;
}
.store-btn i { font-size: 32px; }
.store-btn div { display: flex; flex-direction: column; }
.store-btn span { font-size: 12px; font-weight: 400; }
.store-btn strong { font-size: 18px; }

/* Footer */
.footer {
    padding: 80px 0 30px;
    background: rgba(2, 6, 12, 0.8);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-desc {
    color: var(--text-muted);
    margin-top: 12px;
    max-width: 300px;
    font-size: 14px;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--primary);
}

.footer-legal .separator {
    color: rgba(255, 255, 255, 0.1);
    font-size: 12px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
}

/* Animations (Managed by GSAP) */
.fade-in-up, .fade-in-right, .fade-in-left {
    /* Kept clean for GSAP */
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-subtitle { margin: 0 auto 40px; }
    .hero-buttons { justify-content: center; }
    .mockup-frame { margin-top: 40px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-title { font-size: 40px; }
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .footer-brand .logo { align-items: center; }
    .footer-desc { margin: 12px auto 0; }
    .footer-legal { flex-direction: column; gap: 12px; }
    .footer-legal .separator { display: none; }
}