/* ═══════════════════════════════════════════════
   ÖZTOKSAN HAZIR BETON — Premium Static Site
   ═══════════════════════════════════════════════ */

:root {
  --navy-950: #070d1f;
  --navy-900: #0b1430;
  --navy-800: #10214f;
  --navy-700: #241d68;
  --blue-600: #2e2482;
  --blue-500: #4335b8;
  --blue-400: #7468e0;
  --red-600: #d21f2e;
  --red-500: #e42a3a;
  --ink: #101828;
  --ink-soft: #475467;
  --line: #e6e9f2;
  --bg: #f6f8fc;
  --white: #ffffff;
  --whatsapp: #22b558;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 10px rgba(11, 20, 48, .06);
  --shadow-md: 0 12px 34px rgba(11, 20, 48, .12);
  --shadow-lg: 0 28px 60px rgba(11, 20, 48, .20);
  --font-head: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --header-h: 84px;
  --ease: cubic-bezier(.22, .8, .3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }

.container { width: min(1200px, 92%); margin-inline: auto; }

::selection { background: var(--blue-600); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--navy-900); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--blue-500), var(--blue-600)); border-radius: 6px; }

/* ─────────── Typography helpers ─────────── */
.text-gradient {
  background: linear-gradient(92deg, #9d94f2 0%, #7468e0 45%, #e42a3a 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-accent { color: var(--blue-600); }

.section { padding: clamp(70px, 9vw, 120px) 0; }

.section-head { text-align: center; max-width: 680px; margin: 0 auto clamp(42px, 6vw, 64px); }

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red-600);
  margin-bottom: 14px;
}
.section-kicker::before, .section-head .section-kicker::after {
  content: "";
  width: 26px; height: 2px;
  background: var(--red-600);
  border-radius: 2px;
}
.about-content .section-kicker::after { display: none; }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.02em;
}

.section-desc { color: var(--ink-soft); margin-top: 16px; font-size: 1.05rem; }

/* ─────────── Buttons ─────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s, color .35s;
  will-change: transform;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px) scale(.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600) 55%, var(--navy-700));
  color: #fff;
  box-shadow: 0 10px 26px rgba(46, 36, 130, .38);
}
.btn-primary:hover { box-shadow: 0 16px 36px rgba(46, 36, 130, .5); }

.btn-ghost {
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .18); }

.btn-outline {
  border: 2px solid var(--blue-600);
  color: var(--blue-600);
}
.btn-outline:hover { background: var(--blue-600); color: #fff; }

.btn-light { background: #fff; color: var(--navy-800); box-shadow: 0 10px 26px rgba(0, 0, 0, .22); }

.btn-whatsapp { background: var(--whatsapp); color: #fff; box-shadow: 0 10px 26px rgba(34, 181, 88, .4); }
.btn-whatsapp:hover { background: #1ca04c; }

.btn-lg { padding: 17px 34px; font-size: 1rem; }
.btn-sm { padding: 11px 22px; font-size: .88rem; }
.btn-block { width: 100%; }

/* ─────────── Preloader ─────────── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--navy-950);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .6s ease, visibility .6s;
}
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.preloader-tile {
  width: 128px; height: 168px;
  border-radius: 24px;
  background: #fff;
  display: grid; place-items: center;
  padding: 16px;
  box-shadow: 0 18px 44px rgba(46, 36, 130, .45);
  animation: plPulse 1.4s ease-in-out infinite;
}
.preloader-tile img { width: 100%; height: 100%; object-fit: contain; }
@keyframes plPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(.94); } }
.preloader-bar {
  width: 170px; height: 3px;
  background: rgba(255, 255, 255, .12);
  border-radius: 3px;
  overflow: hidden;
}
.preloader-bar span {
  display: block; height: 100%; width: 40%;
  background: linear-gradient(90deg, var(--blue-400), var(--red-500));
  border-radius: 3px;
  animation: plBar 1.1s ease-in-out infinite;
}
@keyframes plBar { 0% { transform: translateX(-110%); } 100% { transform: translateX(430%); } }

/* ─────────── Header ─────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background .4s var(--ease), height .4s var(--ease), box-shadow .4s;
}
.header::after {
  content: "";
  position: absolute; inset: 0;
  background: rgba(7, 13, 31, .42);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity .4s;
  z-index: -1;
}
.header.is-scrolled { height: 70px; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.header.is-scrolled::after { opacity: 1; background: rgba(7, 13, 31, .86); }

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-tile {
  flex: none;
  width: 48px; height: 48px;
  border-radius: 13px;
  background: #fff;
  display: grid; place-items: center;
  padding: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .28);
  transition: transform .5s var(--ease);
}
.brand-tile img { width: 100%; height: 100%; object-fit: contain; }
.brand:hover .brand-tile { transform: rotate(-6deg) scale(1.06); }
.brand-word { height: 38px; width: auto; }

.nav ul { display: flex; gap: 6px; }
.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 15px;
  font-weight: 600;
  font-size: .93rem;
  color: rgba(255, 255, 255, .82);
  transition: color .3s;
}
.nav .nav-link::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 4px;
  height: 2px;
  background: var(--red-500);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav .nav-link:hover, .nav .nav-link.active { color: #fff; }
.nav .nav-link:hover::after, .nav .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 18px; }

.header-phone { display: flex; align-items: center; gap: 10px; color: #fff; }
.header-phone-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  transition: background .3s, transform .3s;
}
.header-phone:hover .header-phone-icon { background: var(--red-600); transform: scale(1.07); }
.header-phone-icon svg { width: 18px; height: 18px; fill: none; stroke: #fff; stroke-width: 2; }
.header-phone-text { display: flex; flex-direction: column; line-height: 1.25; white-space: nowrap; }
.header-phone-text small { font-size: .68rem; color: rgba(255, 255, 255, .6); font-weight: 500; }
.header-phone-text strong { font-family: var(--font-head); font-size: .95rem; font-weight: 700; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 0 11px;
}
.hamburger span {
  display: block; height: 2px; width: 100%;
  background: #fff; border-radius: 2px;
  transition: transform .4s var(--ease), opacity .3s;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ─────────── Mobile menu ─────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 450;
  background: linear-gradient(160deg, var(--navy-950), var(--navy-800));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 40px;
  padding: 110px 8% 110px;
  clip-path: circle(0% at calc(100% - 60px) 42px);
  transition: clip-path .65s var(--ease);
  visibility: hidden;
}
.mobile-menu.is-open { clip-path: circle(150% at calc(100% - 60px) 42px); visibility: visible; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu .nav-link {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-weight: 700;
  color: rgba(255, 255, 255, .75);
  padding: 8px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s var(--ease), color .3s;
  transition-delay: 0s;
}
.mobile-menu.is-open .nav-link {
  opacity: 1;
  transform: translateY(0);
  transition-delay: calc(.08s * var(--i, 1) + .15s);
}
.mobile-menu .nav-link:hover, .mobile-menu .nav-link.active { color: var(--red-500); }
.mobile-menu-footer { display: flex; flex-direction: column; gap: 12px; max-width: 380px; }

/* ─────────── Hero ─────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-slider { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.4s ease;
}
.hero-slide.is-active {
  opacity: 1;
  animation: kenburns 7s ease-out forwards;
}
@keyframes kenburns { from { transform: scale(1.14); } to { transform: scale(1.02); } }

.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 13, 31, .93) 0%, rgba(9, 18, 45, .72) 45%, rgba(9, 18, 45, .25) 100%),
    linear-gradient(0deg, rgba(7, 13, 31, .88) 0%, transparent 32%);
}

.hero-content { position: relative; z-index: 2; padding-top: var(--header-h); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(8px);
  font-size: .86rem;
  font-weight: 600;
  margin-bottom: 26px;
}
.hero-badge-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--red-500);
  box-shadow: 0 0 0 0 rgba(228, 42, 58, .6);
  animation: dotPing 1.8s infinite;
}
@keyframes dotPing {
  0% { box-shadow: 0 0 0 0 rgba(228, 42, 58, .55); }
  70% { box-shadow: 0 0 0 11px rgba(228, 42, 58, 0); }
  100% { box-shadow: 0 0 0 0 rgba(228, 42, 58, 0); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.025em;
  max-width: 15ch;
  text-shadow: 0 6px 40px rgba(0, 0, 0, .35);
}

.hero-sub {
  margin-top: 24px;
  max-width: 560px;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: rgba(255, 255, 255, .85);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero-dots { display: flex; gap: 10px; margin-top: 54px; }
.hero-dot {
  width: 34px; height: 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .28);
  overflow: hidden;
  position: relative;
  transition: background .3s;
}
.hero-dot.is-active::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--red-500);
  animation: dotFill 7s linear forwards;
  border-radius: 4px;
}
@keyframes dotFill { from { transform: translateX(-100%); } to { transform: translateX(0); } }

.hero-scroll {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: .8;
}
.hero-scroll-mouse {
  display: block;
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, .6);
  border-radius: 14px;
  position: relative;
}
.hero-scroll-mouse span {
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 3px;
  background: #fff;
  animation: wheel 1.6s infinite;
}
@keyframes wheel { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(14px); } }

/* ─────────── Stats ─────────── */
.stats { position: relative; z-index: 3; margin-top: -74px; padding-bottom: 8px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.stat {
  padding: 38px 20px;
  text-align: center;
  position: relative;
}
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 1px;
  background: rgba(255, 255, 255, .1);
}
.stat-value {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.stat-value .counter { color: #fff; }
.stat-label { margin-top: 10px; color: rgba(255, 255, 255, .62); font-size: .9rem; font-weight: 500; }

/* ─────────── Services ─────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-md); }
.service-media { height: 190px; overflow: hidden; position: relative; }
.service-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(11, 20, 48, .35), transparent 55%);
}
.service-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.service-card:hover .service-media img { transform: scale(1.09); }
.service-body { padding: 26px 24px 28px; display: flex; flex-direction: column; flex: 1; position: relative; }
.service-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  box-shadow: 0 10px 22px rgba(46, 36, 130, .35);
  margin-top: -55px;
  margin-bottom: 18px;
  border: 3px solid #fff;
}
.service-icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-body h3 { font-family: var(--font-head); font-size: 1.22rem; font-weight: 700; margin-bottom: 10px; }
.service-body p { color: var(--ink-soft); font-size: .93rem; flex: 1; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 700;
  font-size: .9rem;
  color: var(--red-600);
}
.service-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; transition: transform .3s var(--ease); }
.service-link:hover svg { transform: translateX(5px); }

/* ─────────── About ─────────── */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.about-media { position: relative; padding-bottom: 60px; }
.about-img-main {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }
.about-img-small {
  position: absolute;
  right: -4%; bottom: 0;
  width: 52%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 6px solid var(--white);
  box-shadow: var(--shadow-md);
  aspect-ratio: 16 / 10;
}
.about-img-small img { width: 100%; height: 100%; object-fit: cover; }
.about-badge {
  position: absolute;
  left: 6%; bottom: 6px;
  background: linear-gradient(135deg, var(--red-500), var(--red-600));
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 16px 34px rgba(210, 31, 46, .4);
}
.about-badge strong { font-family: var(--font-head); font-size: 2.2rem; font-weight: 800; line-height: 1; }
.about-badge span { font-size: .82rem; font-weight: 600; line-height: 1.3; opacity: .92; }

.about-content > p { color: var(--ink-soft); margin-top: 18px; }
.about-content .section-title { margin-top: 4px; }
.about-list { margin-top: 26px; display: grid; gap: 13px; }
.about-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: .97rem; }
.check {
  flex: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  position: relative;
}
.check::after {
  content: "";
  position: absolute;
  left: 8px; top: 5px;
  width: 6px; height: 11px;
  border: solid #fff;
  border-width: 0 2.2px 2.2px 0;
  transform: rotate(42deg);
}
.about-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* ─────────── Features ─────────── */
.features {
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(67, 53, 184, .25), transparent 60%),
    radial-gradient(700px 380px at 0% 110%, rgba(210, 31, 46, .16), transparent 60%),
    linear-gradient(160deg, var(--navy-950), var(--navy-900) 60%, var(--navy-800));
  color: #fff;
}
.features .section-title { color: #fff; }
.features .text-accent { color: var(--blue-400); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  padding: 32px 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .09);
  backdrop-filter: blur(6px);
  transition: transform .45s var(--ease), background .45s, border-color .45s;
}
.feature:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, .09);
  border-color: rgba(255, 255, 255, .2);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(116, 104, 224, .35), rgba(46, 36, 130, .55));
  border: 1px solid rgba(255, 255, 255, .16);
  margin-bottom: 20px;
}
.feature-icon svg { width: 26px; height: 26px; fill: none; stroke: #9db8ff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { font-family: var(--font-head); font-size: 1.08rem; font-weight: 700; margin-bottom: 9px; }
.feature p { color: rgba(255, 255, 255, .65); font-size: .92rem; }

/* ─────────── Process ─────────── */
.process { background: var(--white); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 34px 26px 30px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s;
}
.process-step:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.process-step::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--red-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.process-step:hover::after { transform: scaleX(1); }
.process-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--blue-400), var(--blue-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: .9;
  margin-bottom: 16px;
}
.process-step h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { color: var(--ink-soft); font-size: .92rem; }

/* ─────────── Gallery ─────────── */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 38px;
}
.gallery-filter {
  padding: 10px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  transition: all .3s var(--ease);
}
.gallery-filter:hover { border-color: var(--blue-500); color: var(--blue-600); }
.gallery-filter.is-active {
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(46, 36, 130, .35);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-sm);
  display: block;
}
.gallery-item.is-hidden { display: none; }
.gallery-more-wrap { display: none; text-align: center; margin-top: 26px; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease), filter .5s;
}
.gallery-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(11, 20, 48, .65), rgba(11, 20, 48, .05) 55%);
  opacity: 0;
  transition: opacity .45s;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-zoom {
  position: absolute;
  right: 14px; bottom: 14px;
  z-index: 2;
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .92);
  color: var(--navy-800);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s, transform .4s var(--ease);
}
.gallery-item:hover .gallery-zoom { opacity: 1; transform: translateY(0); }

/* ─────────── CTA band ─────────── */
.cta-band {
  background:
    radial-gradient(700px 300px at 12% 0%, rgba(255, 255, 255, .14), transparent 55%),
    linear-gradient(120deg, var(--red-600), #a3121f 65%, var(--navy-900) 140%);
  color: #fff;
  padding: clamp(52px, 7vw, 84px) 0;
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}
.cta-band h2 { font-family: var(--font-head); font-size: clamp(1.5rem, 3.4vw, 2.3rem); font-weight: 800; letter-spacing: -.01em; }
.cta-band p { margin-top: 10px; color: rgba(255, 255, 255, .85); max-width: 480px; }
.cta-band-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ─────────── Contact ─────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 30px;
  align-items: stretch;
}
.contact-cards { display: grid; gap: 18px; align-content: start; }
.contact-card {
  display: flex;
  gap: 18px;
  padding: 24px 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(46, 36, 130, .35); }
.contact-card-icon {
  flex: none;
  width: 54px; height: 54px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  box-shadow: 0 8px 18px rgba(46, 36, 130, .3);
}
.contact-card-icon svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.contact-card h3 { font-family: var(--font-head); font-size: 1.02rem; font-weight: 700; margin-bottom: 4px; }
.contact-card p { color: var(--ink-soft); font-size: .92rem; }

/* Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: clamp(26px, 4vw, 40px);
  position: relative;
  overflow: hidden;
}
.contact-form-wrap::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--blue-500), var(--red-500));
}
.contact-form h3 { font-family: var(--font-head); font-size: 1.35rem; font-weight: 800; }
.contact-form-note { color: var(--ink-soft); font-size: .92rem; margin: 8px 0 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label {
  display: block;
  font-weight: 600;
  font-size: .86rem;
  margin-bottom: 7px;
  color: var(--ink);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--ink);
  transition: border-color .3s, box-shadow .3s, background .3s;
  appearance: none;
  -webkit-appearance: none;
}
.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23475467' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(67, 53, 184, .12);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: #98a2b8; }
.form-error {
  color: var(--red-600);
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.contact-form .btn-whatsapp .wa-icon { width: 20px; height: 20px; fill: #fff; stroke: none; }
.form-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-actions .btn { width: 100%; padding-inline: 12px; }

/* KVKK onayı */
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin: 4px 0 16px;
  cursor: pointer;
  user-select: none;
}
.form-consent input { position: absolute; opacity: 0; pointer-events: none; }
.consent-box {
  flex: none;
  width: 21px; height: 21px;
  margin-top: 2px;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  position: relative;
  transition: background .25s, border-color .25s;
}
.consent-box::after {
  content: "";
  position: absolute;
  left: 6px; top: 2px;
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2.2px 2.2px 0;
  transform: rotate(42deg) scale(0);
  transition: transform .25s var(--ease);
}
.form-consent input:checked + .consent-box {
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  border-color: var(--blue-600);
}
.form-consent input:checked + .consent-box::after { transform: rotate(42deg) scale(1); }
.form-consent input:focus-visible + .consent-box { box-shadow: 0 0 0 4px rgba(67, 53, 184, .18); }
.consent-text { font-size: .82rem; color: var(--ink-soft); line-height: 1.5; }
.consent-text a { color: var(--blue-600); font-weight: 600; text-decoration: underline; }

/* ─────────── Modal (KVKK) ─────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: rgba(5, 9, 22, .8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal-panel {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  max-width: 680px;
  width: 100%;
  max-height: 84vh;
  padding: clamp(26px, 4vw, 42px);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateY(24px) scale(.97);
  transition: transform .4s var(--ease);
}
.modal.is-open .modal-panel { transform: translateY(0) scale(1); }
.modal-panel h2 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 800;
  padding-right: 40px;
  margin-bottom: 18px;
}
.modal-body { overflow-y: auto; padding-right: 6px; }
.modal-body p { color: var(--ink-soft); font-size: .93rem; margin-bottom: 14px; }
.modal-body a { color: var(--blue-600); font-weight: 600; }
.modal-close {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 2rem;
  line-height: 1;
  color: var(--ink-soft);
  transition: color .3s, transform .3s;
}
.modal-close:hover { color: var(--red-600); transform: rotate(90deg); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 22px;
}
.footer-legal span { white-space: nowrap; }
.footer-dot { color: rgba(255, 255, 255, .35); margin: 0 4px; }
.footer-kvkk-link { text-decoration: underline; }
.footer-kvkk-link:hover { color: #fff; }
.footer-credit { font-weight: 600; color: rgba(255, 255, 255, .85); transition: color .3s; }
.footer-credit:hover { color: #fff; text-decoration: underline; }

.contact-map {
  margin-top: 30px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  height: 380px;
}
.contact-map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ─────────── Footer ─────────── */
.footer {
  background: linear-gradient(180deg, var(--navy-950), var(--navy-900));
  color: rgba(255, 255, 255, .72);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: clamp(56px, 7vw, 80px) 0 46px;
}
.footer-brand p { margin-top: 20px; font-size: .93rem; max-width: 300px; }
.brand-footer .brand-text strong { color: #fff; }
.footer-col h4 {
  font-family: var(--font-head);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 30px; height: 2px;
  background: var(--red-500);
  border-radius: 2px;
}
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { font-size: .93rem; transition: color .3s, padding-left .3s; }
.footer-col a:hover { color: #fff; padding-left: 5px; }
.footer-contact li { font-size: .93rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; }
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .87rem;
}
.to-top {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  transition: background .3s, transform .3s;
}
.to-top:hover { background: var(--red-600); transform: translateY(-4px); }
.to-top svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ─────────── Floating WhatsApp ─────────── */
.whatsapp-float {
  position: fixed;
  right: 22px; bottom: 24px;
  z-index: 400;
  width: 58px; height: 58px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--whatsapp);
  box-shadow: 0 12px 30px rgba(34, 181, 88, .45);
  transition: transform .35s var(--ease);
  animation: waPulse 2.4s infinite;
}
.whatsapp-float:hover { transform: scale(1.1) rotate(8deg); }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }
@keyframes waPulse {
  0% { box-shadow: 0 12px 30px rgba(34, 181, 88, .45), 0 0 0 0 rgba(34, 181, 88, .45); }
  70% { box-shadow: 0 12px 30px rgba(34, 181, 88, .45), 0 0 0 16px rgba(34, 181, 88, 0); }
  100% { box-shadow: 0 12px 30px rgba(34, 181, 88, .45), 0 0 0 0 rgba(34, 181, 88, 0); }
}

/* ─────────── Mobile bottom bar ─────────── */
.mobile-bar {
  position: fixed;
  left: 12px; right: 12px; bottom: 12px;
  z-index: 420;
  display: none;
  align-items: stretch;
  justify-content: space-around;
  background: rgba(10, 18, 42, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 22px;
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45);
}
.mobile-bar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 7px 2px;
  border-radius: 14px;
  color: rgba(255, 255, 255, .6);
  font-size: .62rem;
  font-weight: 600;
  transition: color .3s, background .3s;
}
.mobile-bar-item svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.mobile-bar-item.active, .mobile-bar-item:active { color: #fff; background: rgba(255, 255, 255, .1); }
.mobile-bar-call {
  flex: none;
  align-self: center;
  width: 52px; height: 52px;
  margin: -26px 6px 0;
  border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--red-500), var(--red-600));
  border: 4px solid var(--navy-950);
  box-shadow: 0 10px 24px rgba(210, 31, 46, .5);
}
.mobile-bar-call svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 2; }

/* ─────────── Lightbox ─────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(5, 9, 22, .94);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s, visibility .4s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: min(90vw, 1200px);
  max-height: 82vh;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
  transform: scale(.92);
  transition: transform .4s var(--ease);
}
.lightbox.is-open .lightbox-img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 20px; right: 26px;
  font-size: 2.6rem;
  color: rgba(255, 255, 255, .8);
  line-height: 1;
  transition: color .3s, transform .3s;
}
.lightbox-close:hover { color: #fff; transform: rotate(90deg); }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  color: #fff;
  font-size: 1.3rem;
  display: grid; place-items: center;
  transition: background .3s;
}
.lightbox-nav:hover { background: var(--red-600); }
.lightbox-prev { left: 26px; }
.lightbox-next { right: 26px; }
.lightbox-counter {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .75);
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: .12em;
  font-size: .9rem;
}

/* ─────────── Reveal animations ─────────── */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s ease, transform .8s var(--ease);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

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

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1080px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-phone { display: none; }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .header-cta { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 560px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-map { height: 320px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(odd)::before { display: none; }
  .stat { padding: 28px 14px; }
}

@media (max-width: 640px) {
  :root { --header-h: 72px; }
  /* Mobilde bölüm boşlukları sıkılaşır — 140px'lik kopukluk hissini önler */
  .section { padding: 52px 0; }
  .section-head { margin-bottom: 34px; }
  /* Mobilde istatistik kartı hero'nun üzerine binmesin (buton tıklanabilirliği) */
  .stats { margin-top: 28px; }
  .hero-content { padding-bottom: 32px; }
  .hero-scroll { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  /* Süreç: mobilde 2×2 kompakt ızgara — uzun tek kolon yorgunluğunu önler */
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .process-step { padding: 20px 16px 18px; }
  .process-num { font-size: 1.8rem; margin-bottom: 10px; }
  .process-step h3 { font-size: .93rem; margin-bottom: 6px; }
  .process-step p { font-size: .8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  /* Galeri: mobilde ilk 6 fotoğraf + "Daha Fazla Göster" */
  .gallery-grid:not(.is-expanded) .gallery-item:nth-child(n+7) { display: none; }
  .gallery-grid:not(.is-expanded) ~ .gallery-more-wrap { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-actions .btn { width: 100%; }
  .hero-dots { margin-top: 40px; }
  .cta-band-actions { width: 100%; }
  .cta-band-actions .btn { flex: 1; }
  .mobile-bar { display: flex; }
  .whatsapp-float { bottom: 96px; right: 16px; width: 52px; height: 52px; }
  body { padding-bottom: 86px; }
  .footer-bottom { padding-bottom: 30px; }
  .form-row { grid-template-columns: 1fr; }
  .form-actions { grid-template-columns: 1fr; }
  /* Footer alt satırı: mobilde ortalanmış, düzenli iki satır */
  .footer-bottom-inner { flex-direction: column; align-items: center; gap: 14px; }
  .footer-legal { flex-direction: column; align-items: center; gap: 6px; text-align: center; }
  .footer-legal span { white-space: normal; }
  .about-img-small { right: 0; }
  .about-badge { left: 4%; padding: 14px 18px; }
  .about-badge strong { font-size: 1.8rem; }
  .lightbox-nav { width: 44px; height: 44px; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}