/* ==========================================================================
   By Yılmaz — Cam Balkon & Tente Sistemleri
   Architectural / editorial theme · navy ink + coral accent
   ========================================================================== */

:root {
  --ink: #0A1730;
  --ink-2: #122043;
  --ink-3: #1C2C51;
  --accent: #EF4130;
  --accent-dark: #d3311f;
  --paper: #F6F4EF;
  --paper-2: #EFEDE6;
  --white: #ffffff;
  --muted: #5A6478;
  --muted-2: #8A93A6;
  --line: #E4E1D8;
  --glass: rgba(255, 255, 255, 0.6);

  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;

  --container: 1240px;
  --radius: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 2px 12px rgba(10, 23, 48, 0.06);
  --shadow-md: 0 18px 50px rgba(10, 23, 48, 0.12);
  --shadow-lg: 0 40px 90px rgba(10, 23, 48, 0.22);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 14px; --pad-x: 26px;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-weight: 700;
  font-size: 15px; letter-spacing: -0.01em;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 100px; border: none; cursor: pointer;
  transition: transform .35s var(--ease), background .3s var(--ease), box-shadow .35s var(--ease), color .3s;
  white-space: nowrap;
}
.btn svg { transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--sm { --pad-y: 11px; --pad-x: 20px; font-size: 14px; }
.btn--lg { --pad-y: 17px; --pad-x: 32px; font-size: 16px; }
.btn--block { width: 100%; justify-content: center; }

.btn--accent { background: var(--accent); color: #fff; box-shadow: 0 10px 26px rgba(239, 65, 48, 0.32); }
.btn--accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(239, 65, 48, 0.4); }

.btn--ghost { background: transparent; color: var(--ink); border: 1.5px solid rgba(10,23,48,0.18); }
.btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); transform: translateY(-2px); }

.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ---------- Top bar ---------- */
.topbar { background: var(--ink); color: rgba(255,255,255,0.82); font-size: 13px; }
.topbar__inner {
  max-width: var(--container); margin: 0 auto; padding: 9px 32px;
  display: flex; align-items: center; gap: 20px;
}
.topbar__item { display: inline-flex; align-items: center; gap: 7px; }
.topbar__item svg { opacity: .8; }
.topbar__divider { width: 1px; height: 14px; background: rgba(255,255,255,0.2); }
.topbar__spacer { flex: 1; }
.topbar__phone { font-weight: 700; color: #fff; }
.topbar__phone:hover { color: var(--accent); }
.topbar__socials { display: flex; gap: 6px; margin-left: 6px; }
.topbar__socials a {
  width: 28px; height: 28px; display: grid; place-items: center;
  border-radius: 50%; background: rgba(255,255,255,0.08); transition: .3s var(--ease);
}
.topbar__socials a:hover { background: var(--accent); transform: translateY(-2px); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246,244,239,0.82);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: padding .4s var(--ease), background .4s, border-color .4s, box-shadow .4s;
}
.header.scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); background: rgba(246,244,239,0.92); }
.header__inner {
  max-width: var(--container); margin: 0 auto; padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  transition: padding .4s var(--ease);
}
.header.scrolled .header__inner { padding: 12px 32px; }

/* ---------- Logo ---------- */
.logo { display: inline-flex; flex-direction: column; gap: 2px; line-height: 1; }
.logo__mark { display: inline-flex; align-items: center; gap: 3px; }
.logo__by, .logo__name {
  font-family: var(--font-display); font-weight: 800;
  font-size: 28px; letter-spacing: -0.03em; color: var(--ink);
  line-height: 1;
}
.logo__windows { margin: 0 2px; transform: translateY(1px); }
.logo__tag {
  font-family: var(--font-body); font-weight: 700;
  font-size: 9.5px; letter-spacing: 0.14em; color: var(--accent);
  padding-left: 2px; white-space: nowrap;
}
.logo--light .logo__by, .logo--light .logo__name { color: #fff; }
.header.scrolled .logo__by, .header.scrolled .logo__name { font-size: 25px; }

/* ---------- Nav ---------- */
.nav { display: flex; gap: 4px; }
.nav a {
  position: relative; font-weight: 600; font-size: 15px; white-space: nowrap;
  padding: 8px 16px; border-radius: 100px; color: var(--ink-2);
  transition: color .25s, background .25s;
}
.nav a.active { color: var(--accent); }
.nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px;
  height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

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

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s var(--ease); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero { position: relative; overflow: hidden; padding: clamp(48px, 8vw, 90px) 0 70px; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(10,23,48,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,23,48,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 40%, transparent 80%);
}
.hero__glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.hero__glow--1 { width: 480px; height: 480px; background: rgba(239,65,48,0.16); top: -120px; right: -80px; }
.hero__glow--2 { width: 520px; height: 520px; background: rgba(28,44,81,0.18); bottom: -180px; left: -120px; }
.hero__panels { position: absolute; inset: 0; display: flex; opacity: .5; }
.hero__panels span { flex: 1; border-right: 1px solid rgba(10,23,48,0.04); }

.hero__inner {
  position: relative; z-index: 2;
  max-width: var(--container); margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 13px; letter-spacing: 0.02em; color: var(--ink-2);
  background: var(--white); border: 1px solid var(--line);
  padding: 9px 16px; border-radius: 100px; box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
}
.eyebrow__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(239,65,48,0.18); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(239,65,48,0); } }

.hero__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(42px, 6vw, 78px); line-height: 0.98;
  letter-spacing: -0.035em; margin-bottom: 24px;
}
.hero__title span { display: block; }
.hero__title em { font-style: normal; color: var(--accent); }

.hero__lead { font-size: clamp(16px, 1.5vw, 19px); color: var(--muted); max-width: 520px; margin-bottom: 34px; }
.hero__lead strong { color: var(--ink); font-weight: 700; }

.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.hero__stats { display: flex; gap: 40px; }
.stat { display: flex; flex-direction: column; }
.stat__num { font-family: var(--font-display); font-weight: 700; font-size: clamp(30px, 3.4vw, 44px); line-height: 1; letter-spacing: -0.03em; color: var(--ink); display: inline; }
.stat__suffix { font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 2.4vw, 30px); color: var(--accent); }
.stat__label { font-size: 13.5px; color: var(--muted); font-weight: 600; margin-top: 6px; }
.stat + .stat { position: relative; padding-left: 40px; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 18px; width: 1px; background: var(--line); }

/* Hero visual */
.hero__visual { position: relative; }
.hero__card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 4 / 4.4;
  background: linear-gradient(160deg, var(--ink-3), var(--ink));
  transform: rotate(1.4deg);
}
.hero__card img { width: 100%; height: 100%; object-fit: cover; }
.hero__card-badge {
  position: absolute; bottom: 20px; left: 20px;
  background: var(--accent); color: #fff; border-radius: 16px;
  padding: 14px 18px; display: flex; align-items: center; gap: 10px;
  box-shadow: 0 14px 30px rgba(239,65,48,0.4);
}
.hero__card-badge-num { font-family: var(--font-display); font-weight: 800; font-size: 34px; line-height: 1; }
.hero__card-badge-txt { font-size: 12px; font-weight: 700; line-height: 1.15; text-transform: uppercase; letter-spacing: .03em; }

.hero__float {
  position: absolute; background: #fff; border: 1px solid var(--line);
  border-radius: 100px; padding: 10px 16px; font-size: 13.5px; font-weight: 700;
  box-shadow: var(--shadow-md); display: inline-flex; align-items: center; gap: 8px;
  animation: floaty 5s ease-in-out infinite;
}
.hero__float svg { color: var(--accent); }
.hero__float--tl { top: 20px; left: -26px; }
.hero__float--br { bottom: 60px; right: -20px; animation-delay: 1.4s; }
.hero__float-avatars { display: flex; }
.hero__float-avatars span { width: 22px; height: 22px; border-radius: 50%; border: 2px solid #fff; margin-left: -8px; }
.hero__float-avatars span:first-child { margin-left: 0; background: linear-gradient(135deg,#EF4130,#ff7a5c); }
.hero__float-avatars span:nth-child(2) { background: linear-gradient(135deg,#1C2C51,#3d5a99); }
.hero__float-avatars span:nth-child(3) { background: linear-gradient(135deg,#8A94A6,#c3ccd9); }
@keyframes floaty { 50% { transform: translateY(-12px); } }

.hero__scroll {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 3;
  width: 26px; height: 44px; border: 2px solid rgba(10,23,48,0.25); border-radius: 100px;
  display: grid; place-items: start center; padding-top: 8px;
}
.hero__scroll span { width: 4px; height: 8px; border-radius: 4px; background: var(--accent); animation: scrolldot 1.8s infinite; }
@keyframes scrolldot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ==========================================================================
   MARQUEE
   ========================================================================== */
.marquee { background: var(--ink); color: #fff; padding: 20px 0; overflow: hidden; }
.marquee__track { display: flex; align-items: center; gap: 30px; width: max-content; animation: marquee 34s linear infinite; }
.marquee__track span { font-family: var(--font-display); font-weight: 600; font-size: 24px; letter-spacing: -0.02em; white-space: nowrap; opacity: .92; }
.marquee__dot { color: var(--accent) !important; font-size: 12px !important; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ==========================================================================
   SECTION HEADINGS
   ========================================================================== */
.section-tag {
  display: inline-block; font-weight: 700; font-size: 13px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.section-tag--light { color: var(--accent); }
.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(32px, 4.4vw, 54px); line-height: 1.02; letter-spacing: -0.035em;
  color: var(--ink);
}
.section-title em { font-style: normal; color: var(--accent); }
.section-title--light { color: #fff; }
.section-sub { font-size: 18px; color: var(--muted); max-width: 620px; margin: 20px auto 0; }
.section-head { text-align: center; margin-bottom: 58px; }
.section-head--row { display: flex; justify-content: space-between; align-items: flex-end; text-align: left; gap: 40px; flex-wrap: wrap; }
.section-sub--right { margin: 0; max-width: 380px; }

/* ==========================================================================
   SERVICES
   ========================================================================== */
.services { padding: clamp(70px, 9vw, 120px) 0; }
.services__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  grid-auto-rows: 1fr;
}
.service-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card__no {
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  color: var(--muted-2); letter-spacing: .05em;
}
.service-card h3 { font-family: var(--font-display); font-weight: 600; font-size: 23px; letter-spacing: -0.02em; margin: 14px 0 10px; }
.service-card p { font-size: 15px; color: var(--muted); }
.service-card__icon {
  width: 62px; height: 62px; border-radius: 15px; margin-bottom: 8px;
  display: grid; place-items: center; color: var(--accent);
  background: linear-gradient(150deg, rgba(239,65,48,0.1), rgba(239,65,48,0.03));
  border: 1px solid rgba(239,65,48,0.14);
  transition: .45s var(--ease);
}
.service-card__icon svg { width: 34px; height: 34px; }
.service-card:hover .service-card__icon { background: var(--accent); color: #fff; transform: rotate(-6deg); }
.service-card__link {
  margin-top: auto; padding-top: 18px; display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: 14.5px; color: var(--ink);
}
.service-card__link svg { transition: transform .35s var(--ease); }
.service-card:hover .service-card__link svg { transform: translateX(4px); }

/* Wide media card */
.service-card--wide { grid-column: span 1; }
.service-card--wide { grid-row: span 2; padding: 0; }
.service-card--wide .service-card__media { position: relative; flex: 1; min-height: 200px; background: linear-gradient(160deg, var(--ink-3), var(--ink)); overflow: hidden; }
.service-card--wide .service-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.service-card--wide:hover .service-card__media img { transform: scale(1.06); }
.service-card--wide .service-card__media.no-img::after { content: "By Yılmaz"; position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,0.3); font-family: var(--font-display); font-size: 22px; }
.service-card--wide .service-card__body { padding: 28px 30px 30px; }

/* Accent card */
.service-card--accent { background: linear-gradient(160deg, #fff 0%, #fff7f5 100%); border-color: rgba(239,65,48,0.2); }

/* Dark card (statik toz boya) */
.service-card--dark { background: var(--ink); color: #fff; grid-row: span 1; }
.service-card--dark .service-card__no { color: rgba(255,255,255,0.55); }
.service-card--dark h3 { color: #fff; }
.service-card--dark p { color: rgba(255,255,255,0.72); }
.service-card--dark .service-card__link { color: #fff; }
.service-card__swatches { display: flex; gap: 8px; margin-top: 20px; }
.service-card__swatches span { width: 30px; height: 30px; border-radius: 8px; background: var(--c); border: 1px solid rgba(255,255,255,0.15); transition: transform .3s var(--ease); }
.service-card__swatches span:hover { transform: translateY(-4px) scale(1.1); }
.service-card--dark { display: flex; flex-direction: column; padding: 30px; }
.service-card--dark .service-card__body { padding: 0; display: contents; }

/* ==========================================================================
   WHY US
   ========================================================================== */
.why { background: var(--ink); color: #fff; padding: clamp(70px, 9vw, 120px) 0; position: relative; overflow: hidden; }
.why::before {
  content: ""; position: absolute; top: -150px; right: -100px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(239,65,48,0.16), transparent 70%); filter: blur(40px);
}
.why__inner { position: relative; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.why__lead { font-size: 18px; color: rgba(255,255,255,0.72); margin: 22px 0 32px; max-width: 440px; }
.why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius); padding: 26px; transition: .4s var(--ease);
}
.feature:hover { background: rgba(255,255,255,0.07); transform: translateY(-5px); border-color: rgba(239,65,48,0.4); }
.feature__icon { width: 50px; height: 50px; border-radius: 13px; background: rgba(239,65,48,0.14); color: var(--accent); display: grid; place-items: center; margin-bottom: 18px; }
.feature__icon svg { width: 26px; height: 26px; }
.feature h3 { font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: rgba(255,255,255,0.66); }

/* ==========================================================================
   PROCESS
   ========================================================================== */
.process { padding: clamp(70px, 9vw, 120px) 0; }
.process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding-top: 30px; border-top: 2px solid var(--line); transition: border-color .4s; }
.step::before { content: ""; position: absolute; top: -2px; left: 0; width: 0; height: 2px; background: var(--accent); transition: width .6s var(--ease); }
.step.in::before { width: 46px; }
.step__no { font-family: var(--font-display); font-weight: 700; font-size: 46px; color: var(--paper-2); letter-spacing: -0.03em; -webkit-text-stroke: 1.5px var(--muted-2); color: transparent; transition: .4s; }
.step:hover .step__no { -webkit-text-stroke: 1.5px var(--accent); }
.step__body { margin-top: 14px; }
.step h3 { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -0.02em; margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--muted); }

/* ==========================================================================
   PROJECTS
   ========================================================================== */
.projects { padding: 0 0 clamp(70px, 9vw, 120px); }
.projects__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.project {
  position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3/4;
  background: linear-gradient(160deg, var(--ink-3), var(--ink)); cursor: pointer;
}
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.project:hover img { transform: scale(1.08); }
.project.no-img img { display: none; }
.project::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,23,48,0.85) 0%, transparent 55%); }
.project figcaption { position: absolute; left: 20px; right: 20px; bottom: 20px; z-index: 2; color: #fff; transform: translateY(6px); transition: transform .4s var(--ease); }
.project:hover figcaption { transform: translateY(0); }
.project figcaption span { display: block; font-family: var(--font-display); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; }
.project figcaption em { font-style: normal; font-size: 13.5px; color: rgba(255,255,255,0.7); }
.project:nth-child(even) { transform: translateY(28px); }

/* ==========================================================================
   CTA BAND
   ========================================================================== */
.ctaband { position: relative; padding: clamp(64px, 8vw, 100px) 0; overflow: hidden; background: var(--accent); color: #fff; text-align: center; }
.ctaband__bg { position: absolute; inset: 0; background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.14), transparent 40%), radial-gradient(circle at 80% 70%, rgba(10,23,48,0.25), transparent 45%); }
.ctaband__inner { position: relative; z-index: 2; }
.ctaband h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(30px, 4.4vw, 54px); line-height: 1.04; letter-spacing: -0.03em; }
.ctaband p { font-size: 18px; opacity: .92; margin: 18px 0 32px; }
.ctaband__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.ctaband .btn--accent { background: var(--ink); box-shadow: 0 10px 30px rgba(10,23,48,0.3); }
.ctaband .btn--accent:hover { background: var(--ink-2); }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact { padding: clamp(70px, 9vw, 120px) 0; }
.contact__inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
.contact__lead { font-size: 18px; color: var(--muted); margin: 20px 0 32px; }
.contact__list { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.contact__list li { display: flex; align-items: center; gap: 16px; }
.contact__ico { width: 48px; height: 48px; border-radius: 13px; background: #fff; border: 1px solid var(--line); color: var(--accent); display: grid; place-items: center; flex-shrink: 0; box-shadow: var(--shadow-sm); }
.contact__list strong { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; margin-bottom: 2px; }
.contact__list a, .contact__list span { font-family: var(--font-display); font-weight: 600; font-size: 19px; color: var(--ink); letter-spacing: -0.01em; }
.contact__list a:hover { color: var(--accent); }

/* Form */
.contact__form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-md); }
.field { position: relative; margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--font-body); font-size: 16px; font-weight: 500;
  padding: 20px 16px 8px; border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--paper); color: var(--ink); transition: border-color .3s, background .3s; resize: none;
}
.field textarea { padding-top: 24px; }
.field label {
  position: absolute; left: 16px; top: 16px; font-size: 15px; color: var(--muted);
  pointer-events: none; transition: .25s var(--ease); font-weight: 500;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: #fff; }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field select:focus + label, .field select:valid + label {
  top: 7px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent);
}
.label--select { top: 7px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.field select:focus + .label--select { color: var(--accent); }
.field select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235A6478' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.form-note { margin-top: 14px; padding: 12px 16px; border-radius: 10px; font-size: 14px; font-weight: 600; }
.form-note.ok { background: rgba(61,90,61,0.1); color: #2e6b2e; }
.form-note.err { background: rgba(239,65,48,0.1); color: var(--accent-dark); }
.form-consent { margin-top: 12px; font-size: 12.5px; color: var(--muted-2); text-align: center; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--ink); color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 50px; }
.footer__brand p { font-size: 15px; margin-top: 18px; max-width: 320px; }
.footer__col h4 { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: #fff; margin-bottom: 18px; letter-spacing: -0.01em; }
.footer__col a, .footer__col span { display: block; font-size: 15px; color: rgba(255,255,255,0.65); margin-bottom: 11px; transition: color .25s, transform .25s; }
.footer__col a:hover { color: var(--accent); transform: translateX(3px); }
.footer__socials { display: flex; gap: 10px; margin-top: 8px; }
.footer__socials a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.07); display: grid; place-items: center; margin: 0; transition: .3s var(--ease); }
.footer__socials a:hover { background: var(--accent); transform: translateY(-3px); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; font-size: 13.5px; color: rgba(255,255,255,0.5); flex-wrap: wrap; gap: 8px; }
.footer__legal { display: flex; gap: 18px; }
.footer__bottom-inner a { color: rgba(255,255,255,0.6); transition: color .25s; }
.footer__bottom-inner a:hover { color: var(--accent); }

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab {
  position: fixed; bottom: 26px; right: 26px; z-index: 90;
  width: 60px; height: 60px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 12px 30px rgba(37,211,102,0.45);
  transition: transform .3s var(--ease); animation: fabpulse 2.6s infinite;
}
.whatsapp-fab:hover { transform: scale(1.1) translateY(-2px); }
@keyframes fabpulse { 0%,100% { box-shadow: 0 12px 30px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0.4); } 50% { box-shadow: 0 12px 30px rgba(37,211,102,0.45), 0 0 0 14px rgba(37,211,102,0); } }

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); animation: reveal .9s var(--ease) forwards; animation-delay: calc(var(--d, 0) * 0.12s + 0.1s); }
@keyframes reveal { to { opacity: 1; transform: none; } }

.reveal-up { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-up.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal, .reveal-up { opacity: 1 !important; transform: none !important; }
}

/* ==========================================================================
   DROPDOWN NAV
   ========================================================================== */
.nav__dropdown { position: relative; padding: 8px 0; margin: -8px 0; }
.nav__dropdown-toggle { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.nav__dropdown-toggle svg { transition: transform .3s var(--ease); }
.nav__dropdown:hover .nav__dropdown-toggle svg { transform: rotate(180deg); }
.nav__menu {
  position: absolute; top: 100%; left: 50%; margin-top: 8px;
  transform: translateX(-50%) translateY(8px);
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 10px;
  min-width: 248px; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  z-index: 60; display: flex; flex-direction: column; gap: 2px;
}
.nav__dropdown:hover .nav__menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav__menu::before { content: ""; position: absolute; top: -6px; left: 50%; transform: translateX(-50%) rotate(45deg); width: 12px; height: 12px; background: #fff; border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.nav__menu a { position: relative; padding: 11px 14px; border-radius: 10px; font-size: 14.5px; font-weight: 600; color: var(--ink-2); white-space: nowrap; display: flex; align-items: center; gap: 10px; }
.nav__menu a::after { display: none; }
.nav__menu a svg { width: 15px; height: 15px; color: var(--accent); opacity: .55; transition: .25s; flex-shrink: 0; }
.nav__menu a:hover { background: var(--paper); color: var(--accent); }
.nav__menu a:hover svg { opacity: 1; transform: translateX(2px); }

/* ==========================================================================
   PAGE HERO (subpage banner + breadcrumb)
   ========================================================================== */
.page-hero { position: relative; padding: 66px 0 60px; background: var(--ink); color: #fff; overflow: hidden; }
.page-hero__bg { position: absolute; inset: 0; pointer-events: none; }
.page-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 70% 90% at 30% 20%, #000 30%, transparent 75%);
}
.page-hero__glow { position: absolute; width: 460px; height: 460px; border-radius: 50%; filter: blur(90px); background: rgba(239,65,48,0.2); top: -160px; right: -60px; }
.page-hero__inner { position: relative; z-index: 2; max-width: 820px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; font-size: 13.5px; font-weight: 600; color: rgba(255,255,255,0.55); margin-bottom: 20px; }
.breadcrumb a { transition: color .25s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: .5; }
.breadcrumb .current { color: var(--accent); }
.page-hero h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(32px, 4.8vw, 56px); line-height: 1.03; letter-spacing: -0.035em; }
.page-hero h1 em { font-style: normal; color: var(--accent); }
.page-hero__lead { font-size: clamp(16px, 1.6vw, 19px); color: rgba(255,255,255,0.74); max-width: 620px; margin-top: 20px; }
.page-hero__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.page-hero__tags span { font-size: 13px; font-weight: 600; padding: 7px 15px; border-radius: 100px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); }

/* ==========================================================================
   SERVICE DETAIL
   ========================================================================== */
.detail { padding: clamp(56px, 8vw, 96px) 0; }
.detail__grid { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
.detail__media { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px; aspect-ratio: 16/9; background: linear-gradient(160deg, var(--ink-3), var(--ink)); box-shadow: var(--shadow-md); }
.detail__media img { width: 100%; height: 100%; object-fit: cover; }
.prose { max-width: 680px; }
.prose h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.03em; margin: 42px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -0.02em; margin: 28px 0 10px; }
.prose p { color: var(--muted); margin-bottom: 16px; font-size: 16.5px; }
.prose strong { color: var(--ink); font-weight: 700; }
.checklist { list-style: none; display: grid; gap: 12px; margin: 8px 0 20px; }
.checklist li { display: flex; align-items: flex-start; gap: 12px; font-size: 16px; color: var(--ink-2); }
.checklist li svg { flex-shrink: 0; width: 22px; height: 22px; margin-top: 1px; color: var(--accent); }
.spec-table { width: 100%; border-collapse: collapse; margin: 8px 0 12px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td { padding: 14px 18px; font-size: 15px; }
.spec-table td:first-child { font-weight: 700; color: var(--ink); width: 42%; background: var(--paper); }
.spec-table td:last-child { color: var(--muted); }

/* Sidebar */
.detail__aside { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 20px; }
.aside-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.aside-card--cta { background: var(--ink); color: #fff; border: none; }
.aside-card--cta h3 { font-family: var(--font-display); font-weight: 600; font-size: 21px; margin-bottom: 8px; letter-spacing: -0.01em; }
.aside-card--cta p { font-size: 14.5px; color: rgba(255,255,255,0.72); margin-bottom: 18px; }
.aside-card--cta .btn { width: 100%; justify-content: center; }
.aside-card--cta .aside-phone { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 12px; font-weight: 700; color: #fff; font-size: 15px; }
.aside-card--cta .aside-phone:hover { color: var(--accent); }
.aside-card h4 { font-family: var(--font-display); font-weight: 600; font-size: 17px; margin-bottom: 14px; letter-spacing: -0.01em; }
.aside-list { display: flex; flex-direction: column; }
.aside-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 15px; font-weight: 600; color: var(--ink-2); transition: color .25s, padding .25s; }
.aside-list a:first-child { border-top: none; }
.aside-list a svg { width: 16px; height: 16px; color: var(--muted-2); transition: .25s; }
.aside-list a:hover { color: var(--accent); padding-left: 6px; }
.aside-list a:hover svg { color: var(--accent); transform: translateX(3px); }
.aside-list a.active { color: var(--accent); }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-intro { padding: clamp(56px, 8vw, 96px) 0; }
.about-intro__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-intro__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3.4; background: linear-gradient(160deg, var(--ink-3), var(--ink)); box-shadow: var(--shadow-md); }
.about-intro__media img { width: 100%; height: 100%; object-fit: cover; }
.about-intro__badge { position: absolute; left: 22px; bottom: 22px; background: var(--accent); color: #fff; padding: 16px 20px; border-radius: 16px; box-shadow: 0 14px 30px rgba(239,65,48,0.4); }
.about-intro__badge b { font-family: var(--font-display); font-weight: 800; font-size: 32px; display: block; line-height: 1; }
.about-intro__badge span { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.about-values { background: var(--paper-2); padding: clamp(56px, 8vw, 96px) 0; }
/* Light-theme feature cards (reuse .feature on a light section) */
.about-values .feature { background: #fff; border-color: var(--line); box-shadow: var(--shadow-sm); }
.about-values .feature:hover { background: #fff; border-color: rgba(239,65,48,0.4); }
.about-values .feature h3 { color: var(--ink); }
.about-values .feature p { color: var(--muted); }

/* ==========================================================================
   GALLERY
   ========================================================================== */
.gallery { padding: clamp(48px, 7vw, 84px) 0 clamp(56px, 8vw, 96px); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.filter-btn { font-family: var(--font-body); font-weight: 700; font-size: 14.5px; padding: 11px 22px; border-radius: 100px; border: 1.5px solid var(--line); background: #fff; color: var(--ink-2); cursor: pointer; transition: .3s var(--ease); }
.filter-btn:hover { border-color: var(--ink); }
.filter-btn.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.gallery__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery__grid .project { aspect-ratio: 4/3.2; transform: none !important; }
.gallery__grid .project.hide { display: none; }
.gallery__grid .project { cursor: zoom-in; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background: rgba(6, 13, 28, 0.92); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox__stage { position: relative; max-width: min(1080px, 92vw); display: flex; flex-direction: column; align-items: center; }
.lightbox__img {
  max-width: 100%; max-height: 76vh; border-radius: 14px; object-fit: contain;
  background: var(--ink-2); box-shadow: 0 30px 90px rgba(0,0,0,.55);
  transform: scale(.94); opacity: 0; transition: transform .35s var(--ease), opacity .3s var(--ease);
}
.lightbox.open .lightbox__img { transform: scale(1); opacity: 1; }
.lightbox__cap { margin-top: 18px; text-align: center; color: #fff; }
.lightbox__cap span { display: block; font-family: var(--font-display); font-weight: 600; font-size: 20px; letter-spacing: -0.01em; }
.lightbox__cap em { font-style: normal; font-size: 14px; color: rgba(255,255,255,.6); }
.lightbox__counter { margin-top: 8px; font-size: 13px; font-weight: 700; letter-spacing: .06em; color: rgba(255,255,255,.45); }
.lightbox__btn, .lightbox__close {
  position: absolute; border: none; cursor: pointer; color: #fff;
  background: rgba(255,255,255,.12); display: grid; place-items: center;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.lightbox__btn { top: 50%; transform: translateY(-50%); width: 54px; height: 54px; border-radius: 50%; }
.lightbox__btn:hover { background: var(--accent); }
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }
.lightbox__close { top: 20px; right: 20px; width: 46px; height: 46px; border-radius: 50%; }
.lightbox__close:hover { background: var(--accent); transform: rotate(90deg); }
@media (max-width: 560px) {
  .lightbox { padding: 14px; }
  .lightbox__btn { width: 44px; height: 44px; }
  .lightbox__prev { left: 8px; }
  .lightbox__next { right: 8px; }
  .lightbox__close { top: 10px; right: 10px; }
  .lightbox__img { max-height: 68vh; }
}

/* ==========================================================================
   CONTACT PAGE EXTRAS
   ========================================================================== */
.map-wrap { margin-top: 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); line-height: 0; }
.map-wrap iframe { width: 100%; height: 420px; border: 0; display: block; filter: grayscale(0.2) contrast(1.05); }
.hours-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; margin-top: 22px; box-shadow: var(--shadow-sm); }
.hours-card h4 { font-family: var(--font-display); font-weight: 600; font-size: 17px; margin-bottom: 12px; }
.hours-card .row { display: flex; justify-content: space-between; padding: 8px 0; border-top: 1px solid var(--line); font-size: 14.5px; }
.hours-card .row:first-of-type { border-top: none; }
.hours-card .row span:last-child { font-weight: 700; color: var(--ink); }
.hours-card .row.closed span:last-child { color: var(--accent); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
  .detail__grid { grid-template-columns: 1fr; gap: 40px; }
  .detail__aside { position: static; flex-direction: row; flex-wrap: wrap; }
  .detail__aside > * { flex: 1; min-width: 260px; }
  .about-intro__grid { grid-template-columns: 1fr; gap: 40px; }
  .about-intro__media { max-width: 520px; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 460px; margin: 0 auto; width: 100%; }
  .hero__float--tl { left: 0; }
  .hero__float--br { right: 0; }
  .why__inner, .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--wide { grid-row: span 1; }
  .service-card--wide .service-card__media { min-height: 220px; }
  .process__steps { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .project:nth-child(even) { transform: none; }
}

@media (max-width: 1024px) {
  .topbar__item:not(.topbar__phone) { display: none; }
  .topbar__divider, .topbar__spacer { display: none; }
  .topbar__inner { justify-content: space-between; }
  /* backdrop-filter, içindeki fixed menü için containing block oluşturur ve
     menünün ekranı kaplamasını engeller — mobilde kaldırıyoruz */
  .header { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(246,244,239,0.96); }
  /* Karartma katmanı */
  .nav-backdrop {
    position: fixed; inset: 0; background: rgba(10,23,48,0.45);
    opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
    z-index: 98;
  }
  .nav-backdrop.open { opacity: 1; visibility: visible; }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); height: 100vh;
    background: var(--paper); flex-direction: column; justify-content: flex-start;
    align-items: stretch; padding: 96px 32px 40px; gap: 4px;
    transform: translateX(100%); transition: transform .45s var(--ease);
    box-shadow: -20px 0 60px rgba(10,23,48,0.22); z-index: 99; overflow-y: auto;
  }
  .nav.open { transform: none; }
  .nav > a { font-size: 22px; font-family: var(--font-display); padding: 12px 4px; }
  .nav a::after { display: none; }
  .hamburger { display: flex; }
  .header__actions .btn--sm { display: none; }

  /* mobile dropdown accordion */
  .nav__dropdown { padding: 0; margin: 0; }
  .nav__dropdown-toggle { font-size: 22px; font-family: var(--font-display); padding: 12px 4px; justify-content: space-between; color: var(--ink-2); }
  .nav__dropdown.open .nav__dropdown-toggle svg { transform: rotate(180deg); }
  .nav__menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; border: none; border-left: 2px solid var(--line);
    border-radius: 0; min-width: 0; margin: 2px 0 6px 8px; padding: 0 0 0 14px;
    display: none;
  }
  .nav__dropdown.open .nav__menu { display: flex; animation: navSub .28s var(--ease); }
  @keyframes navSub { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
  .nav__menu::before { display: none; }
  .nav__menu a { font-size: 16px; font-family: var(--font-body); padding: 10px 4px; }
  .nav__menu a svg { display: none; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .header__inner, .topbar__inner, .hero__inner { padding-left: 20px; padding-right: 20px; }
  body { font-size: 16px; }
  .hero__stats { gap: 24px; }
  .stat + .stat { padding-left: 24px; }
  .services__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .section-head--row { align-items: flex-start; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
  .contact__form { padding: 24px; }
  .whatsapp-fab { width: 54px; height: 54px; bottom: 18px; right: 18px; }
  .gallery__grid { grid-template-columns: 1fr; }
  .detail__aside { flex-direction: column; }
  .spec-table td { display: block; width: 100% !important; }
}