/* ============================================================
   SEBA ALÜMİNYUM ORDU — Ana Stil Dosyası
   Renk teması: Lacivert (#0a2342) + Altın Sarısı (#c8a24a) + Beyaz
   ============================================================ */

:root {
    --navy: #0a2342;
    --navy-light: #123a6b;
    --navy-dark: #061629;
    --gold: #c8a24a;
    --gold-light: #e0c478;
    --gold-dark: #a8842f;
    --white: #ffffff;
    --off-white: #f7f5f0;
    --gray: #6b7280;
    --light-gray: #e5e7eb;
    --text: #1a2533;
    --shadow: 0 10px 40px rgba(10, 35, 66, 0.12);
    --shadow-lg: 0 20px 60px rgba(10, 35, 66, 0.18);
    --radius: 4px;
    --max-width: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Mukta', 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.cta-band a {
  position: relative;
  z-index: 10;
}

/* --- Buton --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--gold);
    color: var(--navy-dark);
    font-family: 'Mukta', sans-serif;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}
.btn:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--navy-dark); }

/* ============================================================
   ÜST BAR (TOPBAR)
   ============================================================ */
.topbar {
    background: var(--navy-dark);
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    padding: 9px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar a { color: rgba(255,255,255,0.85); transition: color 0.2s; }
.topbar a:hover { color: var(--gold); }
.topbar .tb-left span, .topbar .tb-left a { margin-right: 22px; }
.topbar .tb-social a { margin-left: 14px; font-size: 16px; }

/* ============================================================
   ANA MENÜ (HEADER / NAV)
   ============================================================ */
.header {
    background: var(--navy);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
    display: flex;
    align-items: center;
    padding: 16px 0;
}

.logo .logo-img {
    height: 90px;
    width: auto;
    object-fit: contain;
}

.nav { display: flex; align-items: center; }
.nav > ul { display: flex; align-items: center; }
.nav > ul > li { position: relative; }
.nav > ul > li > a {
    display: block;
    padding: 28px 16px;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    font-size: 20px;
    transition: color 0.2s;
}
.nav > ul > li > a:hover, .nav > ul > li.active > a { color: var(--gold); }
.nav > ul > li > a .caret { font-size: 10px; margin-left: 4px; opacity: 0.7; }

/* Açılır menü (dropdown) */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: 100%; left: 0;
    background: var(--white);
    min-width: 240px;
    box-shadow: var(--shadow-lg);
    border-top: 3px solid var(--gold);
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
    padding: 8px 0;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a {
    display: block;
    padding: 11px 22px;
    color: var(--text);
    font-size: 14.5px;
    transition: all 0.2s;
}
.dropdown-menu li a:hover { background: var(--off-white); color: var(--navy); padding-left: 28px; }

/* Mobil menü butonu */
.menu-toggle { display: none; background: none; border: none; color: var(--white); font-size: 26px; cursor: pointer; padding: 8px; }

/* ============================================================
   HERO (ANA GÖRSEL ALANI)
   ============================================================ */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(6,22,41,0.82), rgba(6,22,41,0.88)),
                url('../images/villa-sahin.jpg') center/cover no-repeat;
    color: var(--white);
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute; right: -100px; top: 50%; transform: translateY(-50%);
    width: 500px; height: 500px;
    border: 1px solid rgba(200,162,74,0.15);
    border-radius: 50%;
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero .eyebrow {
    display: inline-block;
    color: var(--gold);
    font-family: 'Mukta', sans-serif;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 18px;
    padding-left: 50px;
    position: relative;
}
.hero .eyebrow::before { content: ''; position: absolute; left: 0; top: 50%; width: 38px; height: 2px; background: var(--gold); }
.hero h1 { font-size: clamp(36px, 6vw, 60px); color: var(--white); margin-bottom: 22px; }
.hero h1 .accent { color: var(--gold); }
.hero p { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 34px; max-width: 560px; }
.hero .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Sayfa başlığı (alt sayfalar için hero yerine) */
.page-hero {
    background: linear-gradient(rgba(6,22,41,0.85), rgba(10,35,66,0.9)),
                url('../images/hero-bg.jpg') center/cover no-repeat;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    position: relative;
}
.page-hero h1 { color: var(--white); font-size: clamp(30px, 5vw, 46px); margin-bottom: 12px; }
.page-hero .breadcrumb { color: rgba(255,255,255,0.7); font-size: 14.5px; }
.page-hero .breadcrumb a { color: var(--gold); }
.page-hero .breadcrumb span { margin: 0 8px; opacity: 0.5; }

/* ============================================================
   GENEL BÖLÜM (SECTION)
   ============================================================ */
.section { padding: 90px 0; }
.section.alt { background: var(--off-white); }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.section-head .eyebrow {
    color: var(--gold-dark);
    font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-size: 13px;
    display: block; margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 16px; }
.section-head p { color: var(--gray); font-size: 17px; }

/* --- İstatistik şeridi --- */
.stats-strip { background: var(--navy); color: var(--white); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; text-align: center; }
.stat-item .num { font-family: 'Playfair Display', serif; font-size: 48px; font-weight: 700; color: var(--gold); }
.stat-item .label { font-size: 15px; color: rgba(255,255,255,0.8); margin-top: 6px; }

/* --- Ürün/Hizmet kartları --- */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.35s ease;
    border: 1px solid var(--light-gray);
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card .card-img { height: 230px; overflow: hidden; position: relative; background: var(--navy-light); }
.product-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .card-img img { transform: scale(1.08); }
.product-card .card-img .placeholder {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.3); font-size: 14px; letter-spacing: 1px;
}
.product-card .card-body { padding: 26px 24px; }
.product-card .card-body h3 { font-size: 21px; margin-bottom: 10px; }
.product-card .card-body p { color: var(--gray); font-size: 15px; margin-bottom: 16px; }
.product-card .card-link { color: var(--gold-dark); font-weight: 700; font-size: 14px; letter-spacing: 0.5px; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.2s; }
.product-card .card-link:hover { gap: 12px; }

/* --- İki sütun (hakkımızda vb.) --- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .split-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); min-height: 380px; background: var(--navy-light); position: relative; }
.split .split-img .placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.3); }
.split .split-text .eyebrow { color: var(--gold-dark); font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-size: 13px; display: block; margin-bottom: 12px; }
.split .split-text h2 { font-size: clamp(26px, 3.5vw, 38px); margin-bottom: 20px; }
.split .split-text p { color: var(--gray); margin-bottom: 16px; }
.feature-list { margin-top: 24px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.feature-list li .ico { color: var(--gold); font-size: 18px; margin-top: 2px; flex-shrink: 0; }
.feature-list li strong { color: var(--navy); }

/* --- Süreç adımları --- */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.process-step { text-align: center; padding: 30px 24px; position: relative; }
.process-step .step-num {
    width: 64px; height: 64px; margin: 0 auto 20px;
    border: 2px solid var(--gold); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Playfair Display', serif; font-size: 26px; font-weight: 700; color: var(--gold);
}
.process-step h3 { font-size: 20px; margin-bottom: 10px; }
.process-step p { color: var(--gray); font-size: 15px; }

/* --- CTA şeridi --- */
.cta-band {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    color: var(--white); padding: 70px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 80% 20%, rgba(200,162,74,0.12), transparent 50%); }
.cta-band h2 { color: var(--white); font-size: clamp(26px, 4vw, 38px); margin-bottom: 14px; position: relative; }
.cta-band p { color: rgba(255,255,255,0.85); font-size: 17px; margin-bottom: 28px; position: relative; }

/* --- Referans/proje galerisi --- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gallery-item { aspect-ratio: 1; border-radius: var(--radius); overflow: hidden; background: var(--navy-light); position: relative; box-shadow: var(--shadow); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item .placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.3); font-size: 13px; }

/* --- Çözüm ortakları --- */
.partners { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 50px; }
.partners .partner { font-family: 'Playfair Display', serif; font-size: 26px; font-weight: 700; color: var(--gray); opacity: 0.6; transition: opacity 0.3s; letter-spacing: 1px; }
.partners .partner:hover { opacity: 1; color: var(--navy); }

/* ============================================================
   İLETİŞİM SAYFASI
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info .info-item { display: flex; gap: 16px; margin-bottom: 28px; align-items: flex-start; }
.contact-info .info-item .ico {
    width: 50px; height: 50px; flex-shrink: 0;
    background: var(--navy); color: var(--gold); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.contact-info .info-item h4 { font-size: 17px; margin-bottom: 4px; }
.contact-info .info-item p, .contact-info .info-item a { color: var(--gray); font-size: 15.5px; }
.contact-info .info-item a:hover { color: var(--gold-dark); }
.contact-form { background: var(--off-white); padding: 38px; border-radius: var(--radius); }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 6px; color: var(--navy); }
.contact-form input, .contact-form textarea {
    width: 100%; padding: 13px 15px; border: 1.5px solid var(--light-gray);
    border-radius: var(--radius); font-family: inherit; font-size: 15px; background: var(--white);
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--gold); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.map-embed { margin-top: 50px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); min-height: 360px; background: var(--light-gray); }
.map-embed iframe { width: 100%; height: 360px; border: 0; display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--navy-dark); color: rgba(255,255,255,0.75); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; }
.footer h4 { color: var(--white); font-size: 18px; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.footer h4::after { content:''; position:absolute; left:0; bottom:0; width: 40px; height: 2px; background: var(--gold); }
.footer .f-about p { font-size: 14.5px; margin-bottom: 18px; line-height: 1.8; }
.footer .f-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer .f-logo .logo-mark { width: 40px; height: 40px; border: 2px solid var(--gold); border-radius: 50%; display:flex; align-items:center; justify-content:center; color: var(--gold); font-family:'Playfair Display',serif; font-weight:700; }
.footer .f-logo strong { color: var(--white); font-family:'Playfair Display',serif; font-size: 19px; letter-spacing: 1px; }
.footer ul li { margin-bottom: 11px; }
.footer ul li a { font-size: 14.5px; transition: all 0.2s; }
.footer ul li a:hover { color: var(--gold); padding-left: 6px; }
.footer .f-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14.5px; align-items: flex-start; }
.footer .f-contact li .ico { color: var(--gold); margin-top: 3px; }
.footer-social a {
    display: inline-flex; width: 38px; height: 38px; margin-right: 8px;
    border: 1px solid rgba(255,255,255,0.2); border-radius: 50%;
    align-items: center; justify-content: center; color: rgba(255,255,255,0.8);
    transition: all 0.25s;
}
.footer-social a:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; text-align: center; font-size: 13.5px; }
.footer-bottom a { color: var(--gold); }

/* Sabit WhatsApp butonu */
.wa-float {
    position: fixed; right: 22px; bottom: 22px; z-index: 999;
    width: 56px; height: 56px; background: #25D366; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: #fff; font-size: 28px;
    box-shadow: 0 6px 20px rgba(37,211,102,0.45); transition: transform 0.25s;
}
.wa-float:hover { transform: scale(1.1); }

button.nav-close {display: none;}

/* ============================================================
   RESPONSIVE (MOBİL)
   ============================================================ */
@media (max-width: 992px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .split { grid-template-columns: 1fr; gap: 36px; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    button.nav-close {display: block;}
    .menu-toggle { display: block; }
    .nav {
        position: fixed; top: 0; right: -100%; width: 80%; max-width: 340px; height: 100vh;
        background: var(--navy-dark); flex-direction: column; align-items: stretch;
        padding: 80px 0 30px; transition: right 0.35s ease; overflow-y: auto; box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    }
    .nav.open { right: 0; }
    .nav > ul { flex-direction: column; align-items: stretch; width: 100%; }
    .nav > ul > li > a { padding: 15px 28px; }
    .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: rgba(0,0,0,0.2); border-top: none; max-height: 0; overflow: hidden; transition: max-height 0.3s; padding: 0; }
    .dropdown.open .dropdown-menu { max-height: 500px; padding: 6px 0; }
    .dropdown-menu li a { color: rgba(255,255,255,0.75); padding-left: 44px; }
    .dropdown-menu li a:hover { background: rgba(0,0,0,0.2); color: var(--gold); }
    .nav-close { display: block; position: absolute; top: 22px; right: 22px; background: none; border: none; color: #fff; font-size: 30px; cursor: pointer; }
    .process-grid { grid-template-columns: 1fr; }
    .contact-form .form-row { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
}
@media (max-width: 520px) {
    .cards-grid, .stats-grid, .gallery-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .topbar .tb-left { display: none; }
}

/* Basit giriş animasyonu.
   ÖNEMLİ: İçerik varsayılan olarak GÖRÜNÜR. Animasyon yalnızca JS aktifse
   ve sayfa "js-anim" sınıfını aldıysa çalışır. Böylece JavaScript kapalı/
   bozuk olsa bile tüm içerik her zaman görünür kalır (SEO ve erişilebilirlik). */
.js-anim .reveal { opacity: 0; transform: translateY(30px); transition: all 0.7s ease; }
.js-anim .reveal.in { opacity: 1; transform: translateY(0); }