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

:root {
    --primary: #6C3CE1;
    --primary-dark: #5228CC;
    --primary-light: #8B6CE6;
    --accent: #00D4AA;
    --bg-dark: #0A0E27;
    --bg-card: #131740;
    --bg-card-hover: #1A1F50;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A4C8;
    --text-muted: #6B6F94;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 10px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--accent);
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 2px;
    display: block;
    line-height: 1.1;
}

.logo-subtext {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--accent);
    display: block;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* ========== Hero ========== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 350px;
    height: 350px;
    background: var(--accent);
    bottom: -50px;
    left: -80px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #FF6C3E;
    top: 40%;
    left: 50%;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    position: relative;
    max-width: 650px;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.highlight {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
    line-height: 1.7;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.5);
}

/* ========== Sections Common ========== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ========== Marketplaces ========== */
.marketplaces {
    padding: 100px 0;
}

.marketplace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.marketplace-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.3s, background 0.3s, border-color 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}

.marketplace-card:hover {
    transform: translateY(-6px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow);
}

.marketplace-card.trendyol:hover {
    border-color: #FF6000;
    box-shadow: 0 8px 30px rgba(255, 96, 0, 0.15);
}

.marketplace-card.hepsiburada:hover {
    border-color: #FF6600;
    box-shadow: 0 8px 30px rgba(255, 102, 0, 0.15);
}

.marketplace-card.n11:hover {
    border-color: #7B2D8E;
    box-shadow: 0 8px 30px rgba(123, 45, 142, 0.15);
}

.marketplace-card.idefix:hover {
    border-color: #E31E24;
    box-shadow: 0 8px 30px rgba(227, 30, 36, 0.15);
}

.card-icon svg {
    width: 56px;
    height: 56px;
}

.marketplace-card h3 {
    font-size: 20px;
    font-weight: 700;
}

.marketplace-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

.card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}

.marketplace-card:hover .card-link {
    gap: 12px;
}

.arrow {
    font-size: 18px;
}

/* ========== WhatsApp Card ========== */
.whatsapp-card {
    text-decoration: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: transform 0.3s, border-color 0.3s;
}

.whatsapp-card:hover {
    transform: translateY(-4px);
    border-color: #25D366;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.15);
}

.whatsapp-icon {
    color: #25D366;
}

/* ========== Contact ========== */
.contact {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, rgba(108, 60, 225, 0.05));
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.contact-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--accent);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Footer ========== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    font-size: 13px;
    color: var(--text-muted);
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .header-content {
        padding: 12px 0;
    }

    .nav {
        gap: 20px;
    }

    .nav a {
        font-size: 13px;
    }

    .hero {
        min-height: 70vh;
        padding-top: 100px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .marketplaces,
    .contact {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-header h2 {
        font-size: 28px;
    }

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

    .marketplace-card {
        padding: 28px 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .marketplace-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .logo-text {
        font-size: 16px;
    }
}