/* ============================================================================
   TOPRAK MERMER — Kurumsal Stil Dosyası (style.css)
   Premium · Ultra Minimalist · Müteahhit odaklı
   Renk Paleti: Koyu Antrasit #1A1A1A · Saf Beyaz #FFFFFF · Gold #C5A880
   Fontlar: SF Pro (sistem) → Inter (web) fallback zinciri
   ============================================================================ */

/* -------------------------------------------------------------------------
   1) DEĞİŞKENLER (CSS Variables)
   ------------------------------------------------------------------------- */
:root {
    --antrasit:      #1A1A1A;
    --antrasit-soft: #242424;
    --antrasit-line: #2f2f2f;
    --beyaz:         #FFFFFF;
    --gri-acik:      #F6F6F4;
    --gri:           #8a8a8a;
    --gri-koyu:      #4a4a4a;
    --gold:          #C5A880;
    --gold-koyu:     #b0925f;
    --gold-soft:     rgba(197, 168, 128, 0.12);

    --font: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont,
            "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --radius:   14px;
    --radius-sm: 8px;
    --shadow:   0 20px 60px rgba(0, 0, 0, 0.10);
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.06);
    --wrap:     1200px;
    --ease:     cubic-bezier(0.22, 1, 0.36, 1);
}

/* -------------------------------------------------------------------------
   2) RESET & TEMEL
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font);
    font-weight: 500;                 /* SF Pro Medium karşılığı */
    color: var(--antrasit);
    background: var(--beyaz);
    line-height: 1.65;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.12; letter-spacing: -0.03em; } /* SF Pro Bold */

a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.text-gold { color: var(--gold); }

/* -------------------------------------------------------------------------
   3) BUTONLAR
   ------------------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    font-family: var(--font); font-weight: 700; font-size: 15px;
    padding: 14px 28px; border: 1px solid transparent; border-radius: 100px;
    cursor: pointer; transition: all .3s var(--ease); white-space: nowrap;
    letter-spacing: -0.01em;
}
.btn i { font-size: 0.9em; }

.btn--gold  { background: var(--gold); color: var(--antrasit); }
.btn--gold:hover  { background: var(--gold-koyu); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(197,168,128,.35); }

.btn--ghost { background: transparent; color: var(--beyaz); border-color: rgba(255,255,255,.35); }
.btn--ghost:hover { background: var(--beyaz); color: var(--antrasit); border-color: var(--beyaz); }

.btn--wa   { background: #25D366; color: #fff; }
.btn--wa:hover { background: #1eb457; transform: translateY(-2px); }

.btn--dark { background: var(--antrasit); color: var(--beyaz); }
.btn--dark:hover { background: #000; transform: translateY(-2px); }

.btn--sm  { padding: 10px 20px; font-size: 14px; }
.btn--lg  { padding: 17px 34px; font-size: 16px; }
.btn--block { display: flex; width: 100%; }

/* -------------------------------------------------------------------------
   4) ÜST İLETİŞİM ŞERİDİ
   ------------------------------------------------------------------------- */
.top-bar {
    background: var(--antrasit); color: rgba(255,255,255,.7);
    font-size: 13px; font-weight: 500; border-bottom: 1px solid var(--antrasit-line);
}
.top-bar__inner { display: flex; justify-content: space-between; align-items: center; height: 42px; }
.top-bar__left { display: flex; align-items: center; gap: 16px; }
.top-bar i { color: var(--gold); margin-right: 6px; }
.top-bar__sep { width: 1px; height: 14px; background: var(--antrasit-line); }
.top-bar__right a:hover { color: var(--gold); }

/* -------------------------------------------------------------------------
   5) NAVBAR
   ------------------------------------------------------------------------- */
.navbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.85); backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0,0,0,.06);
    transition: all .35s var(--ease);
}
.navbar.is-scrolled { box-shadow: 0 6px 30px rgba(0,0,0,.07); background: rgba(255,255,255,.96); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.navbar__brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 21px; letter-spacing: -0.03em; }
.navbar__brand-mark {
    width: 38px; height: 38px; border-radius: 10px; background: var(--antrasit);
    color: var(--gold); display: grid; place-items: center; font-size: 17px;
}
.navbar__brand-accent { color: var(--gold); }

.navbar__menu ul { display: flex; align-items: center; gap: 4px; }
.navbar__link {
    display: block; padding: 10px 16px; font-size: 15px; font-weight: 500;
    color: var(--gri-koyu); border-radius: 100px; position: relative;
}
.navbar__link:hover { color: var(--antrasit); }
.navbar__cta-mobile { display: none; }

.navbar__actions { display: flex; align-items: center; gap: 14px; }

/* Hamburger */
.navbar__toggle {
    display: none; width: 44px; height: 44px; background: transparent; border: none;
    cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.navbar__toggle span {
    display: block; width: 24px; height: 2px; background: var(--antrasit);
    border-radius: 2px; transition: all .3s var(--ease);
}
.navbar__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.is-active span:nth-child(2) { opacity: 0; }
.navbar__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------------------------------------------------------------------------
   6) HERO
   ------------------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; background: var(--antrasit); color: var(--beyaz); }
.hero__bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(1000px 600px at 80% -10%, rgba(197,168,128,.16), transparent 60%),
        linear-gradient(180deg, #1f1f1f 0%, #161616 100%);
}
.hero__overlay {
    position: absolute; inset: 0; opacity: .5;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero__inner {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 56px;
    padding: 90px 24px 110px;
}

.hero__badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--gold-soft); color: var(--gold);
    padding: 9px 18px; border-radius: 100px; font-size: 13px; font-weight: 600;
    border: 1px solid rgba(197,168,128,.25); margin-bottom: 26px; letter-spacing: 0;
}
.hero__title { font-size: clamp(38px, 6vw, 68px); margin-bottom: 24px; }
.hero__subtitle {
    font-size: clamp(16px, 2.2vw, 19px); color: rgba(255,255,255,.72);
    max-width: 540px; margin-bottom: 38px; font-weight: 400;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; color: rgba(255,255,255,.6); }
.hero__trust i { color: var(--gold); margin-right: 7px; }

.hero__scroll {
    position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 3;
    color: rgba(255,255,255,.6); font-size: 18px; animation: bob 2s infinite;
}
@keyframes bob { 0%,100%{transform:translate(-50%,0);} 50%{transform:translate(-50%,8px);} }

/* Mermer Blok Görsel (CSS ile) */
.hero__visual { display: flex; justify-content: center; }
.marble-block {
    position: relative; width: 100%; max-width: 380px; aspect-ratio: 4/5;
    border-radius: 18px; overflow: hidden;
    background: linear-gradient(140deg, #f3f1ec 0%, #e6e2da 45%, #d9d4c8 100%);
    box-shadow: 0 40px 80px rgba(0,0,0,.5), inset 0 0 0 1px rgba(255,255,255,.4);
}
.marble-block__vein {
    position: absolute; top: -10%; left: 20%; width: 3px; height: 130%;
    background: linear-gradient(180deg, transparent, rgba(120,110,95,.55), transparent);
    transform: rotate(18deg); filter: blur(1px);
}
.marble-block__vein--2 { left: 55%; height: 120%; transform: rotate(-24deg); opacity: .6; }
.marble-block__label {
    position: absolute; left: 24px; bottom: 24px; display: flex; flex-direction: column; gap: 2px;
}
.marble-block__label-top { font-size: 11px; letter-spacing: .3em; color: var(--gold-koyu); font-weight: 700; }
.marble-block__label-main { font-size: 26px; font-weight: 700; color: var(--antrasit); letter-spacing: -.02em; }
.marble-block__label-sub { font-size: 12px; color: var(--gri-koyu); font-weight: 500; }

/* -------------------------------------------------------------------------
   7) BÖLÜM BAŞLIKLARI
   ------------------------------------------------------------------------- */
.section-head { max-width: 660px; margin: 0 auto 56px; text-align: center; }
.section-head__eyebrow {
    display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .18em;
    text-transform: uppercase; color: var(--gold); margin-bottom: 14px;
}
.section-head__title { font-size: clamp(30px, 4.5vw, 46px); margin-bottom: 16px; }
.section-head__desc { color: var(--gri-koyu); font-size: 17px; font-weight: 400; }
.section-head--light .section-head__title { color: var(--beyaz); }
.section-head--light .section-head__desc { color: rgba(255,255,255,.65); }

/* -------------------------------------------------------------------------
   8) İSTATİSTİKLER
   ------------------------------------------------------------------------- */
.stats { background: var(--beyaz); padding: 70px 0; margin-top: -60px; position: relative; z-index: 5; }
.stats__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    background: var(--beyaz); border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 20px; border: 1px solid rgba(0,0,0,.05);
}
.stat-card { text-align: center; padding: 26px 16px; border-radius: var(--radius-sm); transition: background .3s var(--ease); }
.stat-card:hover { background: var(--gri-acik); }
.stat-card__icon {
    width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 14px;
    background: var(--gold-soft); color: var(--gold); display: grid; place-items: center; font-size: 22px;
}
.stat-card__value { font-size: 40px; font-weight: 700; color: var(--antrasit); letter-spacing: -.04em; }
.stat-card__label { font-size: 14px; color: var(--gri-koyu); font-weight: 500; margin-top: 4px; }

/* -------------------------------------------------------------------------
   9) HİZMETLER
   ------------------------------------------------------------------------- */
.services { padding: 96px 0; background: var(--gri-acik); }
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.service-card {
    background: var(--beyaz); border-radius: var(--radius); padding: 34px 28px;
    border: 1px solid rgba(0,0,0,.05); transition: all .35s var(--ease);
    display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(197,168,128,.4); }
.service-card__icon {
    width: 60px; height: 60px; border-radius: 16px; background: var(--antrasit);
    color: var(--gold); display: grid; place-items: center; font-size: 24px; margin-bottom: 22px;
    transition: all .35s var(--ease);
}
.service-card:hover .service-card__icon { background: var(--gold); color: var(--antrasit); }
.service-card__title { font-size: 20px; margin-bottom: 12px; }
.service-card__text { color: var(--gri-koyu); font-size: 14.5px; font-weight: 400; margin-bottom: 20px; flex-grow: 1; }
.service-card__list { margin-bottom: 22px; }
.service-card__list li { font-size: 13.5px; color: var(--gri-koyu); padding: 5px 0; }
.service-card__list i { color: var(--gold); margin-right: 8px; font-size: 12px; }
.service-card__link { font-size: 14px; font-weight: 700; color: var(--antrasit); display: inline-flex; align-items: center; gap: 8px; }
.service-card__link i { transition: transform .3s var(--ease); }
.service-card__link:hover { color: var(--gold-koyu); }
.service-card__link:hover i { transform: translateX(5px); }

/* -------------------------------------------------------------------------
   10) HİZMET BÖLGELERİ (GEO)
   ------------------------------------------------------------------------- */
.regions { padding: 96px 0; background: var(--beyaz); }
.regions__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.regions__title { text-align: left; }
.regions__text { color: var(--gri-koyu); font-size: 16px; font-weight: 400; margin-bottom: 18px; }
.regions__highlight { margin-top: 30px; display: flex; flex-direction: column; gap: 16px; }
.regions__highlight-item { display: flex; gap: 16px; align-items: flex-start; }
.regions__highlight-item i {
    width: 44px; height: 44px; flex: none; border-radius: 12px; background: var(--gold-soft);
    color: var(--gold); display: grid; place-items: center; font-size: 18px;
}
.regions__highlight-item strong { display: block; font-size: 15px; }
.regions__highlight-item span { font-size: 13.5px; color: var(--gri); }

.regions__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.region-card {
    display: flex; align-items: center; gap: 14px; padding: 18px;
    background: var(--gri-acik); border-radius: var(--radius-sm);
    border: 1px solid transparent; transition: all .3s var(--ease);
}
.region-card:hover { background: var(--beyaz); border-color: rgba(197,168,128,.4); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.region-card__icon {
    width: 42px; height: 42px; flex: none; border-radius: 11px; background: var(--antrasit);
    color: var(--gold); display: grid; place-items: center; font-size: 16px;
}
.region-card__body { flex-grow: 1; }
.region-card__city { font-size: 16px; font-weight: 700; }
.region-card__tag { font-size: 12px; color: var(--gri); }
.region-card__dist { font-size: 12px; font-weight: 700; color: var(--gold-koyu); white-space: nowrap; }

/* -------------------------------------------------------------------------
   11) İLETİŞİM & FORM
   ------------------------------------------------------------------------- */
.contact { padding: 96px 0; background: var(--antrasit); color: var(--beyaz); }
.contact__layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }

.contact__info-title { font-size: 22px; margin-bottom: 24px; }
.contact__item {
    display: flex; align-items: center; gap: 16px; padding: 16px;
    border-radius: var(--radius-sm); border: 1px solid var(--antrasit-line); margin-bottom: 12px;
    transition: all .3s var(--ease); background: var(--antrasit-soft);
}
.contact__item:hover:not(.contact__item--static) { border-color: var(--gold); transform: translateX(4px); }
.contact__item--static { cursor: default; }
.contact__item-icon {
    width: 46px; height: 46px; flex: none; border-radius: 12px; background: var(--gold-soft);
    color: var(--gold); display: grid; place-items: center; font-size: 18px;
}
.contact__item-icon--wa { background: rgba(37,211,102,.15); color: #25D366; }
.contact__item-body { display: flex; flex-direction: column; }
.contact__item-body small { font-size: 12px; color: var(--gri); }
.contact__item-body strong { font-size: 15px; font-weight: 600; color: var(--beyaz); }
.contact__info .btn--wa { margin-top: 16px; }

/* Form */
.contact__form-wrap { background: var(--beyaz); border-radius: var(--radius); padding: 34px; color: var(--antrasit); box-shadow: var(--shadow); }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 13.5px; font-weight: 600; color: var(--gri-koyu); }
.form-row label span { color: var(--gold-koyu); }
.form-row input, .form-row select, .form-row textarea {
    font-family: var(--font); font-size: 15px; font-weight: 500; color: var(--antrasit);
    padding: 13px 16px; border: 1px solid #e3e3e0; border-radius: var(--radius-sm);
    background: var(--gri-acik); transition: all .25s var(--ease); width: 100%;
}
.form-row input::placeholder, .form-row textarea::placeholder { color: #a9a9a5; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
    outline: none; border-color: var(--gold); background: var(--beyaz); box-shadow: 0 0 0 4px var(--gold-soft);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.contact-form__note { font-size: 12.5px; color: var(--gri); text-align: center; }
.contact-form__note i { color: var(--gold-koyu); margin-right: 5px; }

/* Uyarı Kutuları */
.alert {
    display: flex; align-items: center; gap: 12px; padding: 15px 18px;
    border-radius: var(--radius-sm); font-size: 14.5px; font-weight: 500; margin-bottom: 22px;
}
.alert i { font-size: 20px; flex: none; }
.alert--success { background: #eaf7ef; color: #1c7a45; border: 1px solid #bfe6cd; }
.alert--error   { background: #fdeceb; color: #b3352c; border: 1px solid #f5c9c5; }

/* -------------------------------------------------------------------------
   12) FOOTER
   ------------------------------------------------------------------------- */
.footer { background: #141414; color: rgba(255,255,255,.65); padding: 72px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr; gap: 40px; padding-bottom: 46px; border-bottom: 1px solid var(--antrasit-line); }
.footer__logo { font-size: 24px; font-weight: 700; color: var(--beyaz); letter-spacing: -.03em; }
.footer__logo-accent { color: var(--gold); }
.footer__desc { font-size: 14px; font-weight: 400; margin: 18px 0 22px; max-width: 320px; }
.footer__social { display: flex; gap: 10px; }
.footer__social a {
    width: 40px; height: 40px; border-radius: 10px; background: var(--antrasit-soft);
    display: grid; place-items: center; color: rgba(255,255,255,.7); border: 1px solid var(--antrasit-line);
    transition: all .3s var(--ease);
}
.footer__social a:hover { background: var(--gold); color: var(--antrasit); transform: translateY(-3px); border-color: var(--gold); }

.footer__title { color: var(--beyaz); font-size: 16px; margin-bottom: 20px; }
.footer__links li, .footer__contact li { margin-bottom: 11px; }
.footer__links a { font-size: 14px; color: rgba(255,255,255,.6); display: inline-flex; align-items: center; gap: 8px; }
.footer__links a i { color: var(--gold); font-size: 11px; }
.footer__links a:hover { color: var(--gold); }

.footer__contact li { display: flex; align-items: flex-start; gap: 11px; font-size: 14px; }
.footer__contact i { color: var(--gold); margin-top: 4px; }
.footer__contact a:hover { color: var(--gold); }

.footer__bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; padding-top: 26px; font-size: 13px; }
.footer__bottom strong { color: var(--beyaz); }
.footer__geo-text { color: var(--gri); }

/* -------------------------------------------------------------------------
   13) YÜZEN BUTONLAR
   ------------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed; right: 22px; bottom: 22px; z-index: 90;
    width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff;
    display: grid; place-items: center; font-size: 28px;
    box-shadow: 0 12px 30px rgba(37,211,102,.45); transition: transform .3s var(--ease);
    animation: pulse 2.4s infinite;
}
.whatsapp-float:hover { transform: scale(1.08); }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(37,211,102,.45);} 70%{box-shadow:0 0 0 16px rgba(37,211,102,0);} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0);} }

.scroll-top {
    position: fixed; right: 22px; bottom: 90px; z-index: 90;
    width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer;
    background: var(--antrasit); color: var(--gold); font-size: 16px;
    opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .3s var(--ease);
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--gold); color: var(--antrasit); }

/* -------------------------------------------------------------------------
   14) REVEAL ANİMASYONU
   ------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* -------------------------------------------------------------------------
   15) RESPONSIVE
   ------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
    .hero__inner { grid-template-columns: 1fr; gap: 48px; }
    .hero__visual { order: -1; }
    .marble-block { max-width: 300px; }
    .regions__layout { grid-template-columns: 1fr; gap: 40px; }
    .contact__layout { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    /* Mobil menü */
    .navbar__cta { display: none; }
    .navbar__toggle { display: flex; }
    .navbar__menu {
        position: fixed; inset: 0 0 0 auto; top: 0; width: min(82%, 340px); height: 100vh;
        background: var(--antrasit); padding: 96px 26px 40px; z-index: 99;
        transform: translateX(100%); transition: transform .4s var(--ease);
        box-shadow: -20px 0 60px rgba(0,0,0,.3);
    }
    .navbar__menu.is-open { transform: translateX(0); }
    .navbar__menu ul { flex-direction: column; align-items: stretch; gap: 4px; }
    .navbar__link { color: rgba(255,255,255,.8); padding: 14px 16px; font-size: 17px; border-radius: 10px; }
    .navbar__link:hover { color: var(--gold); background: var(--antrasit-soft); }
    .navbar__cta-mobile { display: block; margin-top: 16px; }
    .navbar__cta-mobile .btn { width: 100%; }

    .hero__inner { padding: 60px 24px 90px; }
    .hero__actions .btn { flex: 1; }
    .top-bar__left span:nth-child(2), .top-bar__sep { display: none; }

    .section-head { margin-bottom: 40px; }
    .services, .regions, .contact { padding: 68px 0; }
    .regions__grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
    .stats__grid { grid-template-columns: 1fr; }
    .services__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; }
    .stat-card__value { font-size: 34px; }
    .contact__form-wrap { padding: 24px; }
}