@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;900&display=swap');

:root {
    /* Color Palette - Deeper & Richer Dark Theme */
    --bg-primary: #050505;
    --bg-secondary: #0d0d0d;
    --bg-tertiary: #161616;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --accent: #2563eb;
    --accent-light: #60a5fa;
    --accent-glow: rgba(37, 99, 235, 0.4);
    --border: rgba(255, 255, 255, 0.08);
    --glass: rgba(255, 255, 255, 0.02);
    --glass-hover: rgba(255, 255, 255, 0.05);

    /* Layout */
    --container-max: 1300px;
    --section-padding: 140px 20px;

    /* Transitions */
    --transition-main: all 0.5s cubic-bezier(0.2, 0, 0.2, 1);
}

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

::selection {
    background: var(--accent);
    color: white;
}

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

/* Background Grain Effect */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3column%3Efilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Custom Cursor Placeholder - Visual only */
a,
button {
    cursor: pointer;
}

/* Typography - Bold & Expressive */
h1,
h2,
h3,
h4 {
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 0.95;
    text-transform: capitalize;
}

h1 {
    font-size: clamp(3rem, 10vw, 7rem);
    margin-bottom: 30px;
}

h2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 40px;
}

h3 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 300;
    max-width: 65ch;
}

/* Utilities */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 30%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons - Premium Feel */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition-main);
    border: 1px solid transparent;
    gap: 12px;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--accent-glow);
}

.btn-nav {
    padding: 10px 30px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--glass-hover);
    border-color: var(--text-primary);
}

/* Glass Cards - Enhanced Layering */
.glass-card {
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    border-radius: 32px;
    padding: 50px;
    transition: var(--transition-main);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-10px);
}

.glass-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: 0.8s;
}

.glass-card:hover::after {
    left: 100%;
}

/* Header & Navigation - Ultra Premium Floating */
header {
    position: fixed;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: var(--container-max);
    z-index: 1000;
    background: rgba(13, 13, 13, 0.6);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    padding: 12px 30px;
    transition: var(--transition-main);
}

header:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(13, 13, 13, 0.8);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1.5px;
    color: white;
    text-decoration: none;
    transition: var(--transition-main);
}

.logo:hover {
    opacity: 0.8;
}

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

.nav-links {
    display: flex;
    gap: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-main);
    position: relative;
    padding: 5px 0;
}

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

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition-main);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 180px;
    /* Menünün altında kalmaması için artırıldı */
    padding-bottom: 100px;
}

.section {
    padding: 140px 0;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(100px);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.2, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.number {
    font-size: 5rem;
    font-weight: 900;
    opacity: 0.05;
    position: absolute;
    top: 10px;
    right: 30px;
    color: white;
}

/* Footer Section */
footer {
    padding: 100px 0 50px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 100px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-top ul li a i {
    margin-right: 8px;
    width: 20px;
    text-align: center;
    transition: var(--transition-main);
}

.footer-top ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-main);
    display: flex;
    align-items: center;
}

.footer-top ul li a:hover {
    color: white;
}

.footer-top ul li a:hover i {
    color: var(--accent);
    transform: scale(1.2);
}

/* Image Mockups Style */
.mockup-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transition: var(--transition-main);
}

.mockup-img:hover {
    transform: scale(1.02);
}

@media (max-width: 992px) {
    header {
        top: 15px;
        width: 95%;
        padding: 10px 20px;
    }

    .nav-links {
        display: none;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }
}