/* Alt site ortak stilleri */

body[data-page] { padding-top: 160px; }

/* Üst ince şerit: iletişim + site switcher */
.top-strip {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 101;
    padding: 10px 0;
    background: #05080c;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.82rem;
}
.top-strip__inner {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.top-strip__info {
    display: flex; gap: 22px; color: var(--color-muted);
}
.site-topbar {
    top: 74px;  /* top-strip yüksekliği kadar (site-switcher %60 büyük) */
}

.topbar__logo {
    display: flex; align-items: center; gap: 14px;
    font-weight: 700; font-size: 1rem;
    letter-spacing: 0.12em;
}
.topbar__logo img { height: 40px; }
.topbar__logo-text { color: var(--color-text); }

/* Kurumsal dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown__trigger {
    display: inline-flex !important;
    align-items: center; gap: 6px;
}
.nav-dropdown__menu {
    position: absolute;
    top: calc(100% + 14px);
    left: -18px;
    min-width: 240px;
    background: rgba(10,15,23,0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.45);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s var(--ease-out);
    z-index: 50;
}
.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.nav-dropdown__menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.88rem;
    color: var(--color-text);
    transition: background 0.2s;
    white-space: nowrap;
}
.nav-dropdown__menu a:hover {
    background: var(--color-brand);
    color: #fff;
}
.nav-dropdown__menu a::after { display: none; }

/* Hero (alt siteler) */
.hero {
    position: relative;
    min-height: 88vh;
    display: flex; align-items: center;
    padding: 60px 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 70% 30%, var(--site-color) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, var(--site-accent) 0%, transparent 50%),
        linear-gradient(180deg, #05080c 0%, #0b0f14 100%);
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 40%, transparent 80%);
    opacity: 0.6;
    animation: gridDrift 50s linear infinite;
}
.hero::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(5,8,12,0.75) 100%);
}

.hero__inner {
    position: relative;
    z-index: 2;
    max-width: 960px;
}
.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: rgba(255,255,255,0.04);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 28px;
}
.hero__eyebrow::before {
    content: '';
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--site-accent);
    box-shadow: 0 0 10px var(--site-accent);
    animation: pulse 2s ease-in-out infinite;
}

.hero__title {
    font-size: clamp(2.6rem, 6vw, 5rem);
    line-height: 1.02;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
}
.hero__title .accent {
    display: inline-block;
    background: linear-gradient(100deg, var(--site-accent), #fff, var(--site-accent));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shine 5s ease-in-out infinite;
}

.hero__lead {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.82);
    margin-bottom: 38px;
    max-width: 640px;
}

.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.btn--site {
    background: var(--site-accent);
    border-color: var(--site-accent);
    color: #000;
}
.btn--site:hover {
    background: #fff;
    border-color: #fff;
    color: #000;
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 30px; left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.7);
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    z-index: 2;
}
.hero__scroll::after {
    content: '';
    width: 1px; height: 42px;
    background: linear-gradient(180deg, rgba(255,255,255,0.5), transparent);
    animation: scrollHint 2s ease-in-out infinite;
}
@keyframes scrollHint {
    0%, 100% { transform: scaleY(0.5); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
}

/* Anahtar sayılar */
.hero-stats {
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 820px;
}
.hero-stats__item {
    display: flex; flex-direction: column; gap: 6px;
}
.hero-stats__num {
    font-size: 2.2rem; font-weight: 800;
    color: var(--site-accent);
    letter-spacing: -0.03em;
}
.hero-stats__label {
    font-size: 0.75rem; text-transform: uppercase;
    letter-spacing: 0.18em; color: rgba(255,255,255,0.7);
}

/* Bölümler */
.section-alt { background: #070a0e; }

/* Öne çıkan projeler grid */
.featured-projects { padding: 100px 0; }

/* Site'e özel: inşaat = altın, cephe = mavi-gri, steelco = turuncu vurgu */
.site-insaat  { --color-accent: #c8a45c; }
.site-cephe   { --color-accent: #9ac2e6; }
.site-steelco { --color-accent: #e85d25; }

/* Hakkında kısa blok */
.about-brief {
    padding: 100px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-brief__visual {
    aspect-ratio: 4/5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(180deg, #0b0f14 0%, #040810 100%);
    position: relative;
    padding: 20px;
}
.about-brief__visual > img {
    width: 100%; height: 100%;
    object-fit: contain;  /* Tamamını sığdır */
}

/* === İnşaat Slider === */
.insaat-slider {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.insaat-slider__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.7s var(--ease-out);
}
.insaat-slider__slide.is-active {
    opacity: 1;
}
.insaat-slider__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
/* Slayt için karartma overlay (alt yazı okunsun, kötü görsel olursa bile fon dramatik olsun) */
.insaat-slider__slide::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(0,0,0,0.45) 100%);
    pointer-events: none;
}
/* Dot göstergeler altta */
.insaat-slider__dots {
    position: absolute;
    bottom: 16px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 2;
}
.insaat-slider__dots span {
    width: 6px; height: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,0.4);
    transition: all 0.4s var(--ease-out);
}
.insaat-slider__dots span.is-active {
    width: 22px;
    background: #fff;
    box-shadow: 0 0 8px rgba(255,255,255,0.6);
}

/* Blog kartları */
.blog-meta { display: flex; gap: 16px; font-size: 0.78rem; color: var(--color-muted); }

/* İletişim sayfası */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}
.contact-info h3 { margin-bottom: 18px; }
.contact-info p { color: var(--color-muted); margin-bottom: 28px; }
.contact-info__item {
    display: flex; gap: 16px; padding: 18px 0;
    border-bottom: 1px solid var(--color-border);
}
.contact-info__icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(255,255,255,0.04); display: grid; place-items: center;
    color: var(--site-accent); flex-shrink: 0;
}
.contact-info__label {
    font-size: 0.72rem; letter-spacing: 0.2em;
    text-transform: uppercase; color: var(--color-muted);
    margin-bottom: 4px;
}
.contact-info__value { font-weight: 500; }

.contact-form {
    background: var(--color-surface);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.field { margin-bottom: 20px; }
.field label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 8px;
}
.field input, .field textarea, .field select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 10px;
    background: #0b0f14;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none; border-color: var(--site-accent);
}
.field textarea { min-height: 140px; resize: vertical; }

@media (max-width: 900px) {
    body[data-page] { padding-top: 100px; }
    .top-strip { display: none; }
    .site-topbar { top: 0; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .about-brief { grid-template-columns: 1fr; gap: 40px; padding: 60px 0; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}