/* layout.css — Container, grid, header, footer, section yapıları */

/* ---- Container ---- */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
    width: 100%;
}

.container-sm  { max-width: 780px;  margin-inline: auto; padding-inline: var(--container-pad); }
.container-lg  { max-width: 1400px; margin-inline: auto; padding-inline: var(--container-pad); }
.container-full { width: 100%; padding-inline: var(--container-pad); }

/* ---- Sayfa İskeleti ---- */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
    padding-top: var(--header-height);
}

/* ---- Bölüm padding ---- */
.section {
    padding-block: var(--space-4xl);
}

.section-sm { padding-block: var(--space-2xl); }
.section-lg { padding-block: calc(var(--space-4xl) * 1.5); }

/* ---- Header ---- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-sticky);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-lg);
}

/* ---- Logo ---- */
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo img,
.site-logo svg {
    height: 44px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
    line-height: 1.2;
}

/* ---- Ana Navigasyon ---- */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.main-nav a {
    padding: var(--space-xs) var(--space-md);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition);
    position: relative;
}

.main-nav a:hover,
.main-nav a.aktif {
    background: var(--color-palette-3, var(--color-secondary));
    color: var(--color-primary);
}

.main-nav a.aktif {
    font-weight: 700;
}

/* Dropdown */
.nav-item {
    position: relative;
}

.nav-item .dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    padding: var(--space-sm);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition);
    z-index: var(--z-dropdown);
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

/* ---- Mobil Menü Butonu ---- */
.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    color: var(--color-primary);
    transition: background var(--transition);
}

.menu-toggle:hover {
    background: var(--color-secondary);
}

/* ---- Mobil Navigasyon ---- */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: var(--z-overlay);
    flex-direction: column;
    padding: var(--space-lg);
    overflow-y: auto;
}

.mobile-nav.open {
    display: flex;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.mobile-nav a {
    display: block;
    padding: 0.65rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-secondary);
}

.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a.aktif { color: var(--color-accent-dark, var(--color-primary)); }

/* Mobil nav telefon: tıklanabilir buton görünümü (üstteki gereksiz boşluk kaldırıldı) */
.mobile-nav .mobile-nav-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .8rem 1rem;
    margin-bottom: var(--space-md);
    background: var(--color-palette-4, var(--color-accent));
    color: var(--color-primary);
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .01em;
}
.mobile-nav .mobile-nav-phone:active { opacity: .85; }

/* ---- Sidebar ---- */
.page-with-sidebar {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
}

/* ---- Footer ---- */
.site-footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.8);
    padding-block: var(--space-3xl) var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-col-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-md);
}

.footer-col a {
    display: block;
    padding-block: 4px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--color-palette-4, var(--color-accent)); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.7);
    transition: background var(--transition), color var(--transition);
}

.footer-social a:hover {
    background: var(--color-palette-4, var(--color-accent));
    color: var(--color-primary);
}

/* ---- Hero ---- */
.hero {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-tam    { min-height: 100vh; }
.hero-orta   { min-height: 75vh; }
.hero-kisa   { min-height: 50vh; }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,.85) 0%, rgba(15,23,42,.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: #fff;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,.85);
    margin-bottom: var(--space-xl);
    max-width: 56ch;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav      { display: none; }
    .menu-toggle   { display: flex; }

    .page-with-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        order: -1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

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

@media (max-width: 480px) {
    .section { padding-block: var(--space-2xl); }
}