/* ============================================================
   MH CAN İNŞAAT — Frontend CSS
   "The Architectural Monolith" Design System
   Noto Serif (display) + Manrope (body)
   ============================================================ */

:root {
    --primary:             #e9c176;
    --primary-container:   #c5a059;
    --surface:             #131313;
    --surface-low:         #1c1b1b;
    --surface-high:        #2a2a2a;
    --on-surface:          #e8e0d0;
    --on-surface-var:      #b0a898;
    --outline-variant:     rgba(78, 70, 57, 0.2);
    --nav-height:          72px;
    --radius:              0.375rem;
    --radius-lg:           0.75rem;
}

/* ── Reset / base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    background: var(--surface);
    color: var(--on-surface);
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: 'Noto Serif', serif;
    letter-spacing: -.02em;
    line-height: 1.2;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
p { color: var(--on-surface-var); }

/* ── Gold gradient text ── */
.text-gold {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Buttons ── */
.btn-primary-gold {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: #0f0f0f; font-weight: 700; font-size: 12px;
    letter-spacing: .1em; text-transform: uppercase;
    padding: 13px 28px; border-radius: var(--radius);
    border: none; cursor: pointer;
    transition: opacity .2s, transform .2s;
}
.btn-primary-gold:hover { opacity: .9; transform: translateY(-1px); color: #0f0f0f; }

.btn-ghost-gold {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent;
    border: 1px solid rgba(233, 193, 118, 0.35);
    color: var(--primary); font-weight: 600; font-size: 12px;
    letter-spacing: .1em; text-transform: uppercase;
    padding: 12px 28px; border-radius: var(--radius);
    cursor: pointer; transition: all .2s;
}
.btn-ghost-gold:hover { background: rgba(233,193,118,.08); color: var(--primary); }

/* ── Navigation ── */
#navbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(19, 19, 19, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--outline-variant);
    z-index: 1000;
    display: flex; align-items: center;
}

.navbar-inner {
    max-width: 1280px; margin: 0 auto; padding: 0 32px;
    width: 100%;
    display: flex; align-items: center; justify-content: space-between;
}

.navbar-brand {
    display: flex; flex-direction: column;
}
.navbar-brand .brand-line {
    width: 32px; height: 1px;
    background: linear-gradient(90deg, var(--primary), transparent);
    margin-bottom: 4px;
}
.navbar-brand .brand-name {
    font-family: 'Noto Serif', serif;
    font-size: 16px; letter-spacing: .06em;
    color: var(--on-surface);
}
.navbar-brand .brand-name span { color: var(--primary); }
.navbar-brand .brand-tag {
    font-size: 9px; letter-spacing: .18em; text-transform: uppercase;
    color: var(--on-surface-var);
}

.navbar-links {
    display: flex; align-items: center; gap: 36px;
    list-style: none;
}

.navbar-links a {
    font-size: 11px; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--on-surface-var);
    position: relative; transition: color .2s;
}

.navbar-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--primary);
    transition: width .2s;
}
.navbar-links a:hover, .navbar-links a.active { color: var(--on-surface); }
.navbar-links a:hover::after, .navbar-links a.active::after { width: 100%; }

.navbar-cta { margin-left: 20px; }

.navbar-hamburger {
    display: none; background: transparent; border: none;
    color: var(--on-surface); font-size: 22px; cursor: pointer;
}

/* ── Page offset ── */
.page-top { padding-top: var(--nav-height); }

/* ── Section helpers ── */
.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }

.container-xl {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

.section-label {
    font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
    color: var(--primary); font-weight: 700; margin-bottom: 12px;
}

/* ── Hero Slider ── */
.hero-slider { position: relative; height: 100vh; min-height: 600px; overflow: hidden; }

.swiper { width: 100%; height: 100%; }

.swiper-slide {
    position: relative;
    overflow: hidden;
}

.slide-img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(0.45) saturate(0.7);
}

.slide-content {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    text-align: left;
    z-index: 2;
    max-width: 720px; width: 90%;
}

.slide-sub {
    font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
    color: var(--primary); margin-bottom: 20px;
    display: flex; align-items: center; gap: 12px;
}
.slide-sub::before {
    content: ''; width: 40px; height: 1px; background: var(--primary);
}

.slide-title {
    font-family: 'Noto Serif', serif;
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    color: var(--on-surface);
    line-height: 1.1;
    margin-bottom: 20px;
}

.slide-title .gold { color: var(--primary); }

.slide-desc {
    font-size: 15px; color: rgba(224,217,204,.7);
    max-width: 500px; margin-bottom: 36px;
    line-height: 1.8;
}

.swiper-pagination-bullet {
    background: rgba(233,193,118,.4) !important;
    width: 24px; height: 2px; border-radius: 0 !important;
}
.swiper-pagination-bullet-active {
    background: var(--primary) !important;
    width: 48px;
}

/* ── Vision / Mission (Temel İlkelerimiz) ── */
.principles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
}

.principle-card {
    background: var(--surface-low);
    padding: 48px 40px;
    position: relative;
    border-left: 1px solid var(--primary);
}

.principle-card .p-label {
    font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
    color: var(--primary); margin-bottom: 16px;
}

.principle-card h3 {
    font-family: 'Noto Serif', serif;
    font-size: 1.8rem; margin-bottom: 16px;
    color: var(--on-surface);
}

/* ── Services grid ── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--surface-high);
    padding: 40px 32px;
    position: relative;
    transition: background .25s;
    border-left: 1px solid transparent;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0;
    width: 1px;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform .3s;
    transform-origin: bottom;
}

.service-card:hover { background: #313030; }
.service-card:hover::before { transform: scaleY(1); }

.service-card .sc-icon {
    font-size: 26px; color: var(--primary); margin-bottom: 20px;
}

.service-card h4 {
    font-family: 'Noto Serif', serif;
    font-size: 1.15rem; color: var(--on-surface);
    margin-bottom: 12px;
}

.service-card .sc-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
    color: var(--primary); margin-top: 20px;
    font-weight: 700;
}

.service-card-cover {
    width: 100%; height: 200px; object-fit: cover;
    border-radius: var(--radius);
    filter: saturate(.8) brightness(.85);
    margin-bottom: 24px;
}

/* ── Projects grid ── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.project-card {
    position: relative; overflow: hidden;
    aspect-ratio: 16/10;
}

.project-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(.55) saturate(.7);
    transition: transform .6s ease, filter .6s;
}

.project-card:hover img { transform: scale(1.04); filter: brightness(.45) saturate(.7); }

.project-card-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 32px 28px;
    background: linear-gradient(to top, rgba(13,13,13,.95) 0%, transparent 100%);
}

.pc-cat {
    font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
    color: var(--primary); margin-bottom: 8px;
}

.pc-title {
    font-family: 'Noto Serif', serif;
    font-size: 1.35rem; color: var(--on-surface); margin-bottom: 14px;
}

.pc-link {
    font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
    color: var(--on-surface-var); font-weight: 700;
    display: inline-flex; align-items: center; gap: 6px;
    transition: color .2s;
}
.project-card:hover .pc-link { color: var(--primary); }

/* ── Featured project (large card) ── */
.projects-grid.featured .project-card:first-child {
    grid-column: 1 / -1;
    aspect-ratio: 21/9;
}

/* ── References ── */
.references-row {
    display: flex; flex-wrap: wrap;
    justify-content: center; align-items: center;
    gap: 40px 60px;
}

.ref-logo {
    max-height: 50px; max-width: 130px;
    object-fit: contain;
    filter: grayscale(1) brightness(1.4);
    opacity: .55;
    transition: all .3s;
}
.ref-logo:hover { filter: none; opacity: 1; }

/* ── Page hero ── */
.page-hero {
    padding: 120px 0 64px;
    background: var(--surface-low);
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute; bottom: 0; left: 32px; right: 32px;
    height: 1px; background: var(--outline-variant);
}

.page-hero h1 { font-size: clamp(2rem, 4vw, 3.5rem); color: var(--on-surface); }

/* ── Project filters ── */
.project-filters {
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 48px;
}

.pf-row {
    display: flex;
    align-items: center;
    gap: 0;
    min-height: 52px;
}

.pf-row + .pf-row {
    border-top: 1px solid var(--outline-variant);
}

.pf-label {
    flex-shrink: 0;
    width: 110px;
    padding: 12px 20px;
    font-size: 10px; font-weight: 700;
    letter-spacing: .14em; text-transform: uppercase;
    color: var(--primary);
    background: rgba(233,193,118,.05);
    border-right: 1px solid var(--outline-variant);
    align-self: stretch;
    display: flex; align-items: center;
}

.pf-chips {
    display: flex; flex-wrap: wrap; gap: 6px;
    padding: 10px 16px;
    flex: 1;
}

.chip {
    display: inline-flex; align-items: center;
    padding: 7px 18px;
    border: 1px solid var(--outline-variant);
    border-radius: 40px;
    font-size: 11px; font-weight: 600;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--on-surface-var);
    cursor: pointer; transition: all .2s;
}
.chip:hover { border-color: rgba(233,193,118,.4); color: var(--on-surface); }
.chip.active {
    background: var(--primary); border-color: var(--primary);
    color: #0f0f0f;
}

/* ── Project detail ── */
.project-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.project-meta-table { width: 100%; }
.project-meta-table td { padding: 12px 0; border-bottom: 1px solid var(--outline-variant); font-size: 13.5px; }
.project-meta-table td:first-child { color: var(--on-surface-var); width: 120px; }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 40px;
}

.gallery-item {
    aspect-ratio: 4/3; overflow: hidden; cursor: pointer;
    border-radius: var(--radius);
}

.gallery-item img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: all .4s; }
.gallery-item:hover img { transform: scale(1.05); filter: saturate(1); }

/* ── Article content (from TinyMCE) ── */
.article-content h2, .article-content h3 {
    font-family: 'Noto Serif', serif;
    color: var(--on-surface);
    margin: 28px 0 12px;
}
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 16px; }
.article-content li { margin-bottom: 8px; }

/* ── Contact ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info-item {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px 0;
    border-bottom: 1px solid var(--outline-variant);
}

.ci-icon {
    width: 36px; height: 36px; border-radius: var(--radius);
    background: rgba(233,193,118,.1);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 14px; flex-shrink: 0;
}

.ci-label { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--primary); margin-bottom: 4px; }
.ci-value { font-size: 14px; color: var(--on-surface); }

/* Contact form */
.contact-form .cf-group { margin-bottom: 20px; }
.contact-form label {
    display: block; font-size: 10px; letter-spacing: .12em;
    text-transform: uppercase; color: var(--on-surface-var);
    margin-bottom: 8px; font-weight: 600;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%; background: transparent;
    border: none; border-bottom: 1px solid rgba(78,70,57,.5);
    color: var(--on-surface); font-size: 14px; font-family: 'Manrope', sans-serif;
    padding: 10px 0;
    outline: none; transition: border-color .2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-bottom-color: var(--primary);
}

.contact-form textarea { resize: vertical; min-height: 120px; }

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--on-surface-var); }

/* Map */
.map-container {
    width: 100%; height: 360px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 40px;
    border: 1px solid var(--outline-variant);
}

.map-container iframe { width: 100%; height: 100%; border: none; }

/* ── Footer ── */
#footer {
    background: #0d0d0d;
    border-top: 1px solid var(--outline-variant);
    padding: 64px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand-name {
    font-family: 'Noto Serif', serif;
    font-size: 18px; color: var(--on-surface);
    margin-bottom: 12px;
}
.footer-brand-name span { color: var(--primary); }

.footer-desc { font-size: 13px; color: var(--on-surface-var); line-height: 1.8; max-width: 280px; }

.footer-col h5 {
    font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
    color: var(--primary); margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 13px; color: var(--on-surface-var); transition: color .2s; }
.footer-col ul a:hover { color: var(--on-surface); }

.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
    width: 36px; height: 36px;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    color: var(--on-surface-var); font-size: 13px;
    transition: all .2s;
}
.footer-social a:hover { border-color: var(--primary); color: var(--primary); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--outline-variant);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 11px; color: var(--on-surface-var);
}

/* ── Alerts ── */
.alert-floating {
    position: fixed; bottom: 24px; right: 24px;
    padding: 14px 24px; border-radius: var(--radius);
    font-size: 13px; font-weight: 600;
    z-index: 9999; max-width: 360px;
    animation: slideUp .3s ease;
}
.alert-floating.success { background: #1e3a1e; border: 1px solid #4caf50; color: #81c784; }
.alert-floating.error { background: #3a1e1e; border: 1px solid #e53935; color: #ef9a9a; }

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ── Mobile menu overlay ── */
.mobile-menu-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.7); z-index: 1100;
}
.mobile-menu-overlay.show { display: block; }

.mobile-menu {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 280px; background: #0f0f0f;
    border-left: 1px solid var(--outline-variant);
    z-index: 1101; padding: 32px 24px;
    transform: translateX(100%);
    transition: transform .3s ease;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { display: block; padding: 14px 0; font-size: 14px; color: var(--on-surface-var); border-bottom: 1px solid var(--outline-variant); }
.mobile-menu a:hover { color: var(--primary); }

/* ── Pagination ── */
.pagination-wrapper { margin-top: 60px; display: flex; justify-content: center; }
.pagination { display: flex; gap: 4px; list-style: none; }
.page-item .page-link {
    background: var(--surface-high); border: 1px solid var(--outline-variant);
    color: var(--on-surface-var); padding: 8px 14px;
    border-radius: var(--radius); font-size: 13px;
    transition: all .2s;
}
.page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #0f0f0f; }
.page-item .page-link:hover { border-color: var(--primary); color: var(--primary); }

/* ── Contact form two-col ── */
.cf-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }

/* ── Turnstile ortalama ── */
.cf-turnstile { display: flex; justify-content: center; }


/* ── Responsive ── */
@media (max-width: 992px) {
    .navbar-links { display: none; }
    .navbar-cta { display: none; }
    .navbar-hamburger { display: flex !important; align-items: center; }
    .principles-grid, .services-grid, .projects-grid, .contact-grid, .project-detail-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .cf-two-col { grid-template-columns: 1fr; }
    .page-hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); }
    .hero-content { padding: 0 24px; }
}

@media (max-width: 600px) {
    .container-xl { padding: 0 20px; }
    .section { padding: 64px 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .slide-title { font-size: 2rem; }
    .slide-subtitle { font-size: 0.9rem; }
    .gallery-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .admin-card { padding: 16px; }
    /* Filtre mobil */
    .pf-row { flex-direction: column; align-items: flex-start; }
    .pf-label { width: 100%; border-right: none; border-bottom: 1px solid var(--outline-variant); }
    .pf-chips { padding: 10px 12px; }
}