/* TR-Merha.bet — Merhabet reference style, mobile-first */
:root {
    --color-bg: #0d1117;
    --color-surface: #161b22;
    --color-primary: #f0b429;
    --color-primary-hover: #e5a00d;
    --color-text: #e6edf3;
    --color-muted: #8b949e;
    --color-border: #30363d;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --radius: 8px;
    --container: min(100% - 2rem, 960px);
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
}

.logo-wrap {
    display: block;
}

.logo {
    display: block;
    height: 40px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

.nav-main {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.nav-main a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.header-actions {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--color-primary);
    color: #0d1117;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: #0d1117;
}

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

.btn-outline:hover {
    background: rgba(240, 180, 41, 0.15);
}

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

.btn-secondary:hover {
    border-color: var(--color-muted);
    color: var(--color-primary);
}

.btn-cta {
    background: linear-gradient(135deg, #f0b429 0%, #e5a00d 100%);
    color: #0d1117;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-cta:hover {
    opacity: 0.95;
    color: #0d1117;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Hero */
.hero {
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
    padding: 2rem 0 2.5rem;
    text-align: center;
}

.hero h1 {
    font-size: 1.75rem;
    margin: 0 0 1rem;
    line-height: 1.3;
}

.hero-lead {
    font-size: 1rem;
    color: var(--color-muted);
    max-width: 42rem;
    margin: 0 auto 1.5rem;
}

/* Content sections */
.content-section {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
}

.content-section:last-of-type {
    border-bottom: none;
}

.content-section h2 {
    font-size: 1.35rem;
    margin: 0 0 1rem;
    color: var(--color-text);
}

.content-section h3 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
}

.content-section p {
    margin: 0 0 1rem;
    color: var(--color-muted);
}

.intro-flex {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.intro-fig,
.content-fig {
    margin: 0;
}

.intro-fig img,
.content-fig img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.intro-fig figcaption,
.content-fig figcaption {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-top: 0.5rem;
}

.content-fig--right {
    float: none;
    margin: 1rem 0;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    padding: 1rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.faq-item p {
    margin: 0;
}

/* CTA bottom */
.cta-bottom {
    text-align: center;
}

.cta-bottom .btn-cta {
    margin-top: 0.5rem;
}

/* Footer */
.site-footer {
    background: var(--color-surface);
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--color-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.footer-copy {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin: 0;
}

/* Mobile: hide part of nav on very small screens, show logo + buttons */
@media (max-width: 640px) {
    .header-inner {
        padding: 0.5rem 1rem;
    }

    .nav-main {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .logo {
        height: 36px;
    }

    .hero h1 {
        font-size: 1.4rem;
    }

    .hero-lead {
        font-size: 0.95rem;
    }

    .content-section {
        padding: 1.5rem 0;
    }

    .content-section h2 {
        font-size: 1.2rem;
    }
}

/* Tablet and up */
@media (min-width: 641px) {
    .intro-flex {
        flex-direction: row;
        align-items: flex-start;
    }

    .intro-text {
        flex: 1;
    }

    .intro-fig {
        flex: 0 0 320px;
    }

    .content-fig--right {
        float: right;
        width: 45%;
        max-width: 480px;
        margin: 0 0 1rem 1.5rem;
    }
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-lead {
        font-size: 1.1rem;
    }
}