/* =====================================================================
   Dallı İnşaat — Tema (Açık / Minimalist / Kurumsal — Sur Yapı tarzı)
   Vurgu: turuncu · Zemin: beyaz · Footer: koyu
   ===================================================================== */
:root {
    --bg:        #ffffff;
    --bg-alt:    #f5f6f8;   /* açık gri bölüm zemini */
    --surface:   #ffffff;   /* kart yüzeyi */
    --surface-2: #f0f2f5;
    --ink:       #1b1f27;   /* başlıklar / koyu metin */
    --text:      #5a626e;   /* gövde metni */
    --muted:     #8b93a1;
    --heading:   #1b1f27;

    --accent:      #1668b8; /* mavi vurgu (varsayılan) */
    --accent-soft: #4a93de;
    --accent-deep: #104f8c;
    /* geriye dönük uyumluluk (eski var(--gold) kullanımları vurgu rengine map'lenir) */
    --gold:      #1668b8;
    --gold-soft: #4a93de;
    --gold-deep: #104f8c;

    --line:      #e6e9ee;
    --line-2:    #eef1f5;
    --footer-bg: #14171c;

    --shadow:    0 22px 50px rgba(20, 28, 45, .10);
    --shadow-sm: 0 8px 24px rgba(20, 28, 45, .07);
    --radius:    14px;
    --font-head: 'Rajdhani', 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
    --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0; background: var(--bg); color: var(--text);
    font-family: var(--font-body); font-size: 16px; line-height: 1.75;
    overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-head); color: var(--heading); font-weight: 700;
    line-height: 1.15; margin: 0 0 .5em; letter-spacing: .2px;
}
a { color: var(--accent); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--accent-deep); }
p { margin: 0 0 1rem; }
img { max-width: 100%; height: auto; }
::selection { background: var(--accent); color: #fff; }

.container-x { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: #eef1f5; }
::-webkit-scrollbar-thumb { background: #c9ced7; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* --------------------------------------------------------- Buttons */
.btn-gold, .btn-outline-gold, .btn-ghost {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-head); font-weight: 600; font-size: 15px;
    letter-spacing: .5px; text-transform: uppercase;
    padding: 13px 30px; border-radius: 6px; border: 1.5px solid transparent;
    cursor: pointer; transition: all .3s ease; line-height: 1;
}
.btn-gold {
    background: var(--accent); color: #fff;
    box-shadow: 0 10px 24px rgba(22, 104, 184, .28);
}
.btn-gold:hover { background: var(--accent-deep); color: #fff; transform: translateY(-3px); box-shadow: 0 16px 30px rgba(22, 104, 184, .36); }
.btn-outline-gold { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-outline-gold:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.btn-ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: #fff; border-color: #fff; color: var(--ink); }
.btn-sm { padding: 9px 20px; font-size: 13px; }

/* --------------------------------------------------------- Section heads */
.section { padding: 96px 0; position: relative; }
.section.bg-alt { background: var(--bg-alt); }
.section.bg-surface { background: var(--surface); }
.section-head { max-width: 700px; margin: 0 auto 54px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-head); font-weight: 600; text-transform: uppercase;
    letter-spacing: 2.5px; font-size: 14px; color: var(--accent); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); display: inline-block; }
.section-head.center .eyebrow::after { content: ""; width: 28px; height: 2px; background: var(--accent); display: inline-block; }
.section-title { font-size: clamp(28px, 4vw, 44px); color: var(--ink); margin-bottom: 16px; }
.section-title span { color: var(--accent); }
.section-desc { color: var(--text); font-size: 16.5px; }

/* --------------------------------------------------------- Topbar (şeffaf header üstünde) */
.topbar { background: transparent; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 14px; color: rgba(255,255,255,.82); max-height: 60px; overflow: hidden; transition: max-height .35s ease, opacity .35s ease, border-color .35s ease; }
.site-header.scrolled .topbar { max-height: 0; opacity: 0; border-color: transparent; }
.topbar .container-x { display: flex; justify-content: space-between; align-items: center; min-height: 44px; gap: 16px; }
.topbar a { color: rgba(255,255,255,.82); }
.topbar a:hover { color: #fff; }
.topbar-info { display: flex; gap: 26px; flex-wrap: wrap; }
.topbar-info i { color: var(--accent-soft); margin-right: 7px; }
.topbar-social { display: flex; gap: 8px; }
.topbar-social a {
    width: 30px; height: 30px; display: grid; place-items: center;
    border: 1px solid rgba(255,255,255,.28); border-radius: 6px; font-size: 13px; color: #fff;
}
.topbar-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* --------------------------------------------------------- Navbar (şeffaf → opak) */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: linear-gradient(180deg, rgba(10,14,20,.6), rgba(10,14,20,0));
    transition: background .35s ease, box-shadow .35s ease;
}
.site-header.scrolled { background: #fff; box-shadow: 0 8px 26px rgba(20, 28, 45, .10); }
.navbar-main { background: transparent; border-bottom: 1px solid rgba(255,255,255,.12); transition: border-color .3s ease; }
.site-header.scrolled .navbar-main { border-bottom-color: var(--line); }
.navbar-main .container-x { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.navbar-brand-x { display: inline-flex; align-items: center; gap: 12px; }
.navbar-brand-x img { height: 46px; width: auto; display: block; filter: brightness(0) saturate(100%) invert(30%) sepia(69%) saturate(1500%) hue-rotate(187deg) brightness(92%) contrast(91%); }
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 21px; letter-spacing: .4px; line-height: 1.05; color: #fff; white-space: nowrap; transition: color .25s ease; }
.site-header.scrolled .brand-name { color: var(--ink); }
@media (max-width: 520px) { .brand-name { font-size: 16px; } .navbar-brand-x img { height: 40px; } }
.navbar-brand-x img.brand-logo--dark { display: none; }
.site-header.scrolled img.brand-logo--light { display: none; }
.site-header.scrolled img.brand-logo--dark { display: block; }
.nav-menu { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
    display: block; padding: 14px 15px; color: #fff; font-family: var(--font-head);
    font-weight: 600; font-size: 16px; letter-spacing: .4px; text-transform: uppercase; position: relative;
    transition: color .25s ease; white-space: nowrap;
}
.nav-menu > li > a::after {
    content: ""; position: absolute; left: 15px; right: 15px; bottom: 10px; height: 2px;
    background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: var(--accent-soft); }
.nav-menu > li > a:hover::after, .nav-menu > li.active > a::after { transform: scaleX(1); }
.site-header.scrolled .nav-menu > li > a { color: var(--ink); }
.site-header.scrolled .nav-menu > li > a:hover, .site-header.scrolled .nav-menu > li.active > a { color: var(--accent); }
.nav-menu > li.has-drop > a::before {
    content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    font-size: 9px; margin-left: 7px; opacity: .6;
}
.dropdown-x {
    position: absolute; top: 100%; left: 0; min-width: 240px; background: #fff;
    border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 0 0 10px 10px;
    padding: 10px; list-style: none; margin: 0; box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .28s ease; z-index: 20;
}
.nav-menu > li.has-drop:hover .dropdown-x { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-x li a { display: block; padding: 11px 14px; color: var(--text); border-radius: 7px; font-size: 15px; font-weight: 500; }
.dropdown-x li a:hover { background: var(--bg-alt); color: var(--accent); padding-left: 20px; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 24px; cursor: pointer; }
.site-header.scrolled .nav-toggle { color: var(--ink); }

/* Mobile drawer */
.mobile-nav { position: fixed; inset: 0; z-index: 1100; visibility: hidden; }
.mobile-nav.open { visibility: visible; }
.mobile-nav__overlay { position: absolute; inset: 0; background: rgba(20,25,35,.5); opacity: 0; transition: opacity .3s; }
.mobile-nav.open .mobile-nav__overlay { opacity: 1; }
.mobile-nav__panel {
    position: absolute; top: 0; right: 0; width: 320px; max-width: 85vw; height: 100%;
    background: #fff; border-left: 1px solid var(--line); padding: 26px;
    transform: translateX(100%); transition: transform .34s ease; overflow-y: auto;
}
.mobile-nav.open .mobile-nav__panel { transform: translateX(0); }
.mobile-nav__close { background: none; border: 0; color: var(--ink); font-size: 26px; position: absolute; top: 18px; right: 20px; cursor: pointer; }
.mobile-menu { list-style: none; margin: 30px 0 0; padding: 0; }
.mobile-menu a { display: block; padding: 13px 0; color: var(--ink); border-bottom: 1px solid var(--line); font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu .sub { padding-left: 14px; }
.mobile-menu .sub a { font-size: 14px; text-transform: none; color: var(--muted); }

/* --------------------------------------------------------- Hero (image slider) */
.hero { position: relative; }
.hero-swiper { width: 100%; }
.hero-slide { position: relative; height: 88vh; min-height: 560px; display: flex; align-items: center; overflow: hidden; }
.hero-slide__media { position: absolute; inset: 0; z-index: 0; }
.hero-slide__media img, .hero-slide__media video { width: 100%; height: 100%; object-fit: cover; }
.hero-slide__media::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(15,18,24,.82) 0%, rgba(15,18,24,.55) 45%, rgba(15,18,24,.2) 100%);
}
.hero-slide__content { position: relative; z-index: 2; max-width: 720px; padding: 60px 0; }
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 12px; color: #fff;
    background: var(--accent); padding: 7px 16px; border-radius: 4px;
    font-family: var(--font-head); font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
    font-size: 13px; margin-bottom: 22px;
}
.hero-title { font-size: clamp(32px, 5.2vw, 60px); color: #fff; line-height: 1.08; margin-bottom: 20px; }
.hero-title span { color: var(--accent-soft); }
.hero-desc { font-size: clamp(16px, 2vw, 19px); color: #e7e9ee; max-width: 600px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-swiper .swiper-pagination-bullet { background: #fff; opacity: .5; width: 11px; height: 11px; }
.hero-swiper .swiper-pagination-bullet-active { background: var(--accent); opacity: 1; width: 28px; border-radius: 6px; }
.hero-swiper .swiper-button-next, .hero-swiper .swiper-button-prev {
    color: #fff; width: 52px; height: 52px; background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.35); border-radius: 50%; backdrop-filter: blur(4px);
}
.hero-swiper .swiper-button-next:hover, .hero-swiper .swiper-button-prev:hover { background: var(--accent); border-color: var(--accent); }
.hero-swiper .swiper-button-next::after, .hero-swiper .swiper-button-prev::after { font-size: 18px; font-weight: 700; }

/* --------------------------------------------------------- About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); width: 100%; object-fit: cover; box-shadow: var(--shadow); }
.about-media__badge {
    position: absolute; right: -18px; bottom: -18px; background: var(--accent);
    color: #fff; padding: 22px 28px; border-radius: 12px; text-align: center; box-shadow: var(--shadow);
}
.about-media__badge b { font-family: var(--font-head); font-size: 40px; display: block; line-height: 1; }
.about-media__badge span { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.about-list { list-style: none; padding: 0; margin: 20px 0 30px; }
.about-list li { padding: 8px 0 8px 34px; position: relative; color: var(--text); }
.about-list li::before {
    content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--accent);
    position: absolute; left: 0; top: 8px;
}

/* --------------------------------------------------------- Stats / counters */
.stats { background: var(--ink); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 26px 14px; position: relative; }
.stat:not(:last-child)::after { content: ""; position: absolute; right: -12px; top: 20%; height: 60%; width: 1px; background: rgba(255,255,255,.12); }
.stat i { font-size: 32px; color: var(--accent-soft); margin-bottom: 14px; }
.stat__num { font-family: var(--font-head); font-size: 46px; font-weight: 700; color: #fff; line-height: 1; }
.stat__num .suffix { color: var(--accent-soft); }
.stat__label { color: #aeb4bf; font-size: 15px; margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }

/* --------------------------------------------------------- Service cards */
.cards-grid { display: grid; gap: 28px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .35s ease; position: relative; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.service-card__media { position: relative; height: 210px; overflow: hidden; }
.service-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.service-card:hover .service-card__media img { transform: scale(1.08); }
.service-card__icon {
    position: absolute; left: 22px; bottom: -26px; width: 56px; height: 56px; border-radius: 12px;
    background: var(--accent); color: #fff; display: grid; place-items: center; font-size: 24px;
    box-shadow: 0 10px 22px rgba(22,104,184,.35);
}
.service-card__body { padding: 40px 26px 28px; }
.service-card__body h3 { font-size: 23px; margin-bottom: 10px; }
.service-card__body h3 a { color: var(--ink); }
.service-card:hover .service-card__body h3 a { color: var(--accent); }
.service-card__body p { color: var(--text); font-size: 15px; margin-bottom: 16px; }
.service-card__more { font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; font-size: 14px; color: var(--accent); }
.service-card__more i { transition: transform .3s; }
.service-card__more:hover i { transform: translateX(5px); }

/* --------------------------------------------------------- Project cards + filter */
.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.filter-btn {
    background: #fff; border: 1px solid var(--line); color: var(--text);
    padding: 10px 22px; border-radius: 30px; cursor: pointer; font-family: var(--font-head);
    font-weight: 600; letter-spacing: .5px; text-transform: uppercase; font-size: 14px; transition: all .3s;
}
.filter-btn:hover, .filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project-card { position: relative; border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); transition: all .35s ease; }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project-card__media { position: relative; height: 320px; overflow: hidden; }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.project-card:hover .project-card__media img { transform: scale(1.1); }
.project-card__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,18,24,.92) 6%, rgba(15,18,24,.1) 55%, transparent); transition: opacity .35s; }
.project-card__badge { position: absolute; top: 16px; left: 16px; z-index: 3; background: var(--accent); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 12.5px; letter-spacing: .5px; padding: 6px 14px; border-radius: 30px; text-transform: uppercase; }
.project-card__body { position: absolute; left: 0; bottom: 0; z-index: 3; padding: 26px; width: 100%; }
.project-card__body h3 { font-size: 24px; margin-bottom: 6px; }
.project-card__body h3 a { color: #fff; }
.project-card:hover .project-card__body h3 a { color: var(--accent-soft); }
.project-card__loc { color: #d7dbe2; font-size: 14.5px; }
.project-card__loc i { color: var(--accent-soft); margin-right: 7px; }
.project-card__link { position: absolute; top: 16px; right: 16px; z-index: 3; width: 44px; height: 44px; border-radius: 10px; background: rgba(255,255,255,.9); color: var(--ink); display: grid; place-items: center; opacity: 0; transform: translateY(-8px); transition: all .35s; }
.project-card:hover .project-card__link { opacity: 1; transform: translateY(0); }
.project-card__link:hover { background: var(--accent); color: #fff; }
/* Tüm kartı tıklanabilir yapan görünmez kapak linki (resme tıklayınca da projeye gider) */
.project-card__cover { position: absolute; inset: 0; z-index: 2; }
.project-card__badge, .project-card__body { pointer-events: none; }   /* tıklama alttaki kapak linkine geçsin */
.project-card__body a { pointer-events: auto; }                       /* başlık linki yine çalışsın */

/* Isotope grid */
.projects-isotope { margin: 0 -14px; }
.projects-isotope .project-item { width: calc(33.333% - 28px); margin: 0 14px 28px; }
@media (max-width: 992px) { .projects-isotope .project-item { width: calc(50% - 28px); } }
@media (max-width: 640px) { .projects-isotope .project-item { width: calc(100% - 28px); } }

/* --------------------------------------------------------- Öne çıkan projeler (carousel — Sur Yapı stili) */
.fp-section { background: #eef5fb; }
.office.fp-section { background: var(--bg-alt); }
.fp-head { text-align: left; margin-bottom: 22px; }
.fp-filters { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; position: relative; z-index: 2; }
.fp-filter { background: #fff; border: 1.5px solid #e2e8f0; color: var(--ink); padding: 10px 24px; border-radius: 999px; cursor: pointer; font-family: var(--font-body); font-weight: 500; font-size: 14px; transition: all .25s ease; }
.fp-filter:hover, .fp-filter.active { border-color: var(--accent); color: var(--accent); background: #fff; }

.fp-swiper { overflow: hidden; padding: 4px 0; width: 100vw; margin-left: calc(50% - 50vw); }
.fp-swiper .swiper-wrapper { align-items: flex-end; height: 420px; }
.fp-slide { position: relative; width: 54%; height: auto; }
.fp-card { position: relative; height: 420px; border-radius: 6px; overflow: hidden; transition: height .45s ease; background: var(--surface-2); box-shadow: 0 18px 40px rgba(20,28,45,.10); }
.fp-swiper .swiper-slide:not(.swiper-slide-active) .fp-card { height: 290px; box-shadow: none; }
.fp-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fp-badge { position: absolute; top: 0; left: 0; z-index: 6; background: #fff; color: #565867; font-family: var(--font-body); font-weight: 500; font-size: 14px; padding: 15px 30px; border-radius: 0 0 6px 0; opacity: 0; transition: opacity .4s ease; }
.fp-swiper .swiper-slide-active .fp-badge { opacity: 1; }
.fp-stretch { position: absolute; inset: 0; z-index: 5; }

.fp-text { width: 100vw; margin: 22px 0 0 calc(50% - 50vw); padding: 0 23vw; min-height: 62px; }
.fp-text h3 { font-family: var(--font-body); font-weight: 500; font-size: clamp(22px, 2.6vw, 30px); color: var(--ink); margin: 0 0 8px; letter-spacing: -.3px; }
.fp-text p { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 15px; margin: 0; }
.fp-text p i { color: var(--accent); font-size: 18px; }

.fp-foot { display: flex; align-items: center; gap: 26px; width: 100vw; margin: 38px 0 0 calc(50% - 50vw); padding: 0 23vw; }
.fp-scrollbar.swiper-scrollbar { position: relative; flex: 1; height: 3px; background: #d3e0ee; border-radius: 3px; margin: 0; }
.fp-scrollbar .swiper-scrollbar-drag { background: var(--accent); border-radius: 3px; }
.fp-btns { display: flex; gap: 10px; }
.fp-btns button { width: 48px; height: 48px; border: 1px solid #cdd8e3; background: #fff; border-radius: 8px; color: var(--ink); cursor: pointer; font-size: 14px; transition: all .25s ease; }
.fp-btns button:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.fp-all { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 14px; color: var(--ink); white-space: nowrap; }
.fp-all:hover { color: var(--accent); }
.fp-all i { transition: transform .3s ease; }
.fp-all:hover i { transform: translateX(4px); }

@media (max-width: 992px) {
    .fp-filters { justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; flex-wrap: nowrap; }
    .fp-filter { flex: none; }
    .fp-slide { width: 82%; }
    .fp-swiper .swiper-wrapper { height: 340px; }
    .fp-card { height: 340px; }
    .fp-swiper .swiper-slide:not(.swiper-slide-active) .fp-card { height: 260px; }
    .fp-text, .fp-foot { padding-left: 20px; padding-right: 20px; }
    .fp-foot { flex-wrap: wrap; gap: 16px; }
}
@media (max-width: 560px) {
    .fp-slide { width: 88%; }
    .fp-swiper .swiper-wrapper { height: 250px; }
    .fp-card { height: 250px; }
    .fp-swiper .swiper-slide:not(.swiper-slide-active) .fp-card { height: 200px; }
    .fp-scrollbar.swiper-scrollbar { order: 3; flex-basis: 100%; }
}

/* --------------------------------------------------------- Feature / advantage cards (Sur Yapı stili) */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 26px; text-align: center; transition: all .35s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.feature-card i { width: 66px; height: 66px; border-radius: 16px; background: rgba(22,104,184,.1); color: var(--accent); display: inline-grid; place-items: center; font-size: 26px; margin-bottom: 18px; transition: all .35s; }
.feature-card:hover i { background: var(--accent); color: #fff; }
.feature-card h4 { color: var(--ink); font-size: 20px; margin-bottom: 8px; }
.feature-card p { color: var(--text); margin: 0; font-size: 14.5px; }

.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.adv-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; display: flex; gap: 14px; align-items: flex-start; transition: all .3s; }
.adv-card:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.adv-card i { color: var(--accent); font-size: 22px; margin-top: 3px; flex: none; }
.adv-card h5 { color: var(--ink); font-family: var(--font-head); font-size: 17px; margin: 0 0 3px; }
.adv-card p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* Sıfır konut avantajları (akordeon — mobil & masaüstü uyumlu) */
.zh-acc { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.zh-acc__item { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: box-shadow .3s ease, border-color .3s ease; }
.zh-acc__item.active { border-color: var(--accent); box-shadow: var(--shadow); }
.zh-acc__head { display: flex; align-items: center; gap: 16px; width: 100%; padding: 22px 24px; background: none; border: 0; cursor: pointer; text-align: left; font-family: inherit; }
.zh-acc__head-ic { width: 50px; height: 50px; border-radius: 13px; background: rgba(22,104,184,.1); color: var(--accent); display: grid; place-items: center; font-size: 21px; flex: none; transition: all .3s ease; }
.zh-acc__head-t { font-family: var(--font-head); font-weight: 600; font-size: 18px; color: var(--ink); flex: 1; line-height: 1.25; }
.zh-acc__head-ar { color: var(--muted); font-size: 15px; transition: transform .35s ease, color .3s ease; flex: none; }
.zh-acc__item.active .zh-acc__head-ic { background: var(--accent); color: #fff; }
.zh-acc__item.active .zh-acc__head-ar { transform: rotate(180deg); color: var(--accent); }
.zh-acc__body { max-height: 0; overflow: hidden; transition: max-height .45s ease; }
.zh-acc__item.active .zh-acc__body { max-height: 700px; }
.zh-acc__inner { padding: 4px 24px 26px; }
.zh-acc__intro { color: var(--muted); margin: 0 0 20px; font-size: 15px; }
.zh-acc__items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.zh-acc__card { padding: 22px; background: var(--bg-alt); border-radius: 12px; }
.zh-acc__card i { color: var(--accent); font-size: 23px; margin-bottom: 12px; }
.zh-acc__card h5 { color: var(--ink); font-family: var(--font-head); font-size: 16.5px; margin: 0 0 6px; }
.zh-acc__card p { color: var(--text); font-size: 13.5px; margin: 0; line-height: 1.5; }
@media (max-width: 768px) {
    .zh-acc__items { grid-template-columns: 1fr; }
    .zh-acc__head { padding: 18px 16px; gap: 13px; }
    .zh-acc__head-ic { width: 44px; height: 44px; font-size: 19px; }
    .zh-acc__head-t { font-size: 16px; }
    .zh-acc__inner { padding: 4px 16px 20px; }
    .zh-acc__item.active .zh-acc__body { max-height: 1400px; }
}

/* --------------------------------------------------------- Partners */
.partners-strip { padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.partner-item { display: grid; place-items: center; padding: 10px; height: 90px; }
.partner-item img { max-height: 60px; width: auto; filter: grayscale(1); opacity: .55; transition: all .35s; }
.partner-item img:hover { filter: none; opacity: 1; }

/* --------------------------------------------------------- Blog cards */
.blog-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .35s ease; height: 100%; }
.blog-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.blog-card__media { height: 220px; overflow: hidden; position: relative; }
.blog-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.blog-card:hover .blog-card__media img { transform: scale(1.08); }
.blog-card__date { position: absolute; left: 16px; top: 16px; background: var(--accent); color: #fff; text-align: center; border-radius: 8px; padding: 8px 12px; font-family: var(--font-head); line-height: 1; }
.blog-card__date b { font-size: 22px; font-weight: 700; display: block; }
.blog-card__date span { font-size: 12px; text-transform: uppercase; }
.blog-card__body { padding: 24px; }
.blog-card__body h3 { font-size: 21px; margin-bottom: 10px; }
.blog-card__body h3 a { color: var(--ink); }
.blog-card:hover .blog-card__body h3 a { color: var(--accent); }
.blog-card__meta { color: var(--muted); font-size: 13.5px; margin-bottom: 12px; }
.blog-card__meta i { color: var(--accent); margin-right: 6px; }
.blog-card__body p { color: var(--text); font-size: 15px; margin-bottom: 14px; }

/* --------------------------------------------------------- CTA band */
.cta-band { position: relative; padding: 76px 0; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, var(--accent-deep), var(--accent)); z-index: 0; }
.cta-band__inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(26px, 3.4vw, 38px); margin: 0; max-width: 720px; }
.cta-band p { color: rgba(255,255,255,.9); margin: 8px 0 0; font-size: 17px; }
.cta-band .btn-dark { background: #fff; color: var(--ink); padding: 15px 34px; border-radius: 6px; font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: .6px; display: inline-flex; gap: 10px; align-items: center; transition: all .3s; }
.cta-band .btn-dark:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0,0,0,.2); color: var(--accent); }

/* --------------------------------------------------------- Footer (koyu) */
.site-footer { position: relative; background: var(--footer-bg); border-top: 3px solid var(--accent); }
.site-footer::before { content: ""; position: absolute; inset: 0; background-image: var(--footer-bg-img, none); background-size: cover; background-position: center; opacity: .05; z-index: 0; }
.footer-main { position: relative; z-index: 2; padding: 74px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-col h4 { color: #fff; font-size: 20px; margin-bottom: 22px; position: relative; padding-bottom: 12px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--accent); }
.footer-brand img { height: 50px; margin-bottom: 20px; filter: brightness(0) saturate(100%) invert(38%) sepia(74%) saturate(1200%) hue-rotate(186deg) brightness(102%) contrast(90%); }
.footer-brand p { color: #9aa1ad; font-size: 15px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 40px; height: 40px; border-radius: 8px; border: 1px solid rgba(255,255,255,.14); display: grid; place-items: center; color: #fff; }
.footer-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-3px); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: #9aa1ad; font-size: 15px; display: inline-flex; align-items: center; gap: 9px; }
.footer-links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--accent); font-size: 13px; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { display: flex; gap: 14px; margin-bottom: 16px; color: #9aa1ad; font-size: 15px; }
.footer-contact i { color: var(--accent); font-size: 17px; margin-top: 4px; }
.footer-bottom { position: relative; z-index: 2; border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center; color: #8b93a1; font-size: 14px; }
.footer-bottom a { color: var(--accent-soft); }

/* --------------------------------------------------------- Floating buttons */
.floaters { position: fixed; right: 20px; bottom: 24px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
.floaters a { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 22px; color: #fff; box-shadow: 0 10px 24px rgba(0,0,0,.22); transition: transform .3s; }
.floaters a:hover { transform: scale(1.1); }
.fab-wa { background: #25d366; }
.fab-call { background: var(--accent); color: #fff; }
.back-top { position: fixed; right: 20px; bottom: 92px; z-index: 899; width: 46px; height: 46px; border-radius: 10px; background: #fff; border: 1px solid var(--line); color: var(--accent); display: grid; place-items: center; cursor: pointer; opacity: 0; visibility: hidden; transition: all .3s; box-shadow: var(--shadow-sm); }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* --------------------------------------------------------- Page header (inner) */
.page-header { position: relative; padding: 122px 0 62px; overflow: hidden; background: var(--ink); }
.page-header::before { content: ""; position: absolute; inset: 0; background-image: var(--ph-bg); background-size: cover; background-position: center; opacity: .32; z-index: 0; }
.page-header::after { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(15,18,24,.55), rgba(15,18,24,.78)); z-index: 1; }
.page-header__inner { position: relative; z-index: 2; text-align: center; }
.page-header h1 { font-size: clamp(30px, 4.4vw, 50px); color: #fff; margin-bottom: 12px; }
.breadcrumb-x { display: flex; justify-content: center; gap: 10px; color: #c8ccd3; font-size: 15px; }
.breadcrumb-x a { color: var(--accent-soft); }
.breadcrumb-x .sep { color: #7f8794; }

/* --------------------------------------------------------- Project detail */
.pd-hero { position: relative; border-radius: var(--radius); overflow: hidden; margin-bottom: 30px; box-shadow: var(--shadow-sm); }
.pd-hero img { width: 100%; max-height: 560px; object-fit: cover; display: block; }
.pd-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pd-meta__item { background: #fff; padding: 24px 22px; }
.pd-meta__item span { display: block; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.pd-meta__item b { color: var(--ink); font-family: var(--font-head); font-size: 20px; font-weight: 600; }
.pd-meta__item i { color: var(--accent); margin-right: 8px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-grid a { display: block; border-radius: 10px; overflow: hidden; position: relative; height: 220px; }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-grid a:hover img { transform: scale(1.08); }
.gallery-grid a::after { content: "\f00e"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 24px; background: rgba(15,18,24,.45); opacity: 0; transition: opacity .35s; }
.gallery-grid a:hover::after { opacity: 1; }

/* Rich content */
.rich-content { color: var(--text); font-size: 16.5px; }
.rich-content h4 { color: var(--ink); font-size: 22px; margin: 28px 0 12px; }
.rich-content ul, .rich-content ol { padding-left: 4px; list-style: none; margin: 0 0 18px; }
.rich-content ul li, .rich-content ol li { position: relative; padding: 6px 0 6px 30px; }
.rich-content ul li::before { content: "\f058"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--accent); position: absolute; left: 0; top: 7px; }
.rich-content ol { counter-reset: ci; }
.rich-content ol li::before { counter-increment: ci; content: counter(ci); position: absolute; left: 0; top: 6px; width: 22px; height: 22px; background: var(--accent); color: #fff; border-radius: 50%; font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.rich-content strong { color: var(--ink); }

/* Sidebar */
.sidebar-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin-bottom: 26px; box-shadow: var(--shadow-sm); }
.sidebar-box h4 { color: var(--ink); font-size: 20px; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.sidebar-nav { list-style: none; padding: 0; margin: 0; }
.sidebar-nav li a { display: flex; justify-content: space-between; align-items: center; padding: 13px 16px; border-radius: 8px; color: var(--text); background: var(--bg-alt); margin-bottom: 8px; font-weight: 500; }
.sidebar-nav li a:hover, .sidebar-nav li.active a { background: var(--accent); color: #fff; }
.sidebar-nav li a i { opacity: .6; }
.sidebar-cta { background: var(--ink); border-radius: var(--radius); padding: 30px; text-align: center; }
.sidebar-cta i { font-size: 34px; color: var(--accent-soft); margin-bottom: 14px; }
.sidebar-cta h4 { color: #fff; font-size: 22px; }
.sidebar-cta p { color: #aeb4bf; }
.sidebar-cta a.phone { display: block; font-family: var(--font-head); font-size: 24px; color: var(--accent-soft); font-weight: 700; margin-top: 8px; }

/* --------------------------------------------------------- Forms */
.form-field { margin-bottom: 18px; }
.form-field label { display: block; margin-bottom: 8px; color: var(--ink); font-size: 14px; font-weight: 600; }
.input, textarea.input, select.input {
    width: 100%; padding: 14px 16px; background: #fff; border: 1px solid var(--line);
    border-radius: 9px; color: var(--ink); font-size: 15px; font-family: var(--font-body); transition: border-color .25s;
}
.input:focus { outline: none; border-color: var(--accent); }
.input::placeholder { color: #a4abb6; }
textarea.input { resize: vertical; min-height: 130px; }
.field-error { color: #d9534f; font-size: 13px; margin-top: 5px; display: none; }
.form-field.has-error .input { border-color: #d9534f; }
.form-field.has-error .field-error { display: block; }
.honeypot { position: absolute; left: -9999px; opacity: 0; }

.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 46px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 26px; text-align: center; transition: all .35s; box-shadow: var(--shadow-sm); }
.info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.info-card i { width: 62px; height: 62px; border-radius: 14px; background: var(--accent); color: #fff; display: inline-grid; place-items: center; font-size: 24px; margin-bottom: 18px; }
.info-card h4 { color: var(--ink); font-size: 20px; margin-bottom: 8px; }
.info-card p { color: var(--text); margin: 0; font-size: 15px; }
.info-card a { color: var(--text); }
.info-card a:hover { color: var(--accent); }
.map-wrap { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); line-height: 0; box-shadow: var(--shadow-sm); }
.map-wrap iframe { width: 100%; height: 440px; border: 0; }

/* --------------------------------------------------------- Modal */
.modal-x { position: fixed; inset: 0; z-index: 1200; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-x.open { display: flex; }
.modal-x__overlay { position: absolute; inset: 0; background: rgba(20,25,35,.55); }
.modal-x__box { position: relative; z-index: 2; width: 480px; max-width: 100%; background: #fff; border-top: 3px solid var(--accent); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.modal-x__close { position: absolute; top: 14px; right: 16px; background: none; border: 0; color: var(--muted); font-size: 24px; cursor: pointer; }
.modal-x__close:hover { color: var(--accent); }
.modal-x h3 { color: var(--ink); font-size: 26px; margin-bottom: 6px; }
.modal-x p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }

/* --------------------------------------------------------- Preloader */
.preloader { position: fixed; inset: 0; z-index: 2000; background: #fff; display: grid; place-items: center; transition: opacity .5s, visibility .5s; }
.preloader.hide { opacity: 0; visibility: hidden; }
.preloader__mark { width: 60px; height: 60px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------- Pagination */
.pagination-x { display: flex; justify-content: center; gap: 8px; margin-top: 50px; }
.pagination-x a, .pagination-x span { min-width: 44px; height: 44px; display: grid; place-items: center; border-radius: 9px; border: 1px solid var(--line); color: var(--text); font-weight: 600; padding: 0 12px; background: #fff; }
.pagination-x a:hover, .pagination-x .current { background: var(--accent); color: #fff; border-color: var(--accent); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state i { font-size: 48px; color: var(--line); margin-bottom: 16px; }

/* AOS fallback */
[data-aos] { opacity: 1; }
.aos-init[data-aos] { opacity: 0; }
.aos-init.aos-animate[data-aos] { opacity: 1; }

/* --------------------------------------------------------- Responsive */
@media (max-width: 1100px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .cards-4, .feature-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
    .nav-menu, .nav-actions .btn-gold { display: none; }
    .nav-toggle { display: block; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2)::after { display: none; }
    .cards-3, .projects-grid, .gallery-grid, .info-cards { grid-template-columns: repeat(2, 1fr); }
    .pd-meta { grid-template-columns: repeat(2, 1fr); }
    .section { padding: 70px 0; }
    .hero-slide { height: 74vh; }
}
@media (max-width: 640px) {
    .cards-3, .cards-4, .projects-grid, .gallery-grid, .info-cards, .footer-grid, .pd-meta, .stats-grid, .feature-grid, .adv-grid { grid-template-columns: 1fr; }
    .stat::after { display: none; }
    .cta-band__inner { flex-direction: column; text-align: center; }
    .section { padding: 56px 0; }
}