:root {
  --navy: #0b2545;
  --navy-2: #123a6b;
  --blue: #1e6fd9;
  --blue-light: #4fa8ff;
  --green: #1fb15c;
  --green-dark: #128a45;
  --whatsapp: #25d366;
  --ink: #101826;
  --ink-soft: #4a5568;
  --bg: #eef6fd;
  --bg-alt: #e3eefb;
  --white: #ffffff;
  --line: #e1e8f2;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(11, 37, 69, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 37, 69, 0.16);
  --ff-head: "Poppins", "Inter", sans-serif;
  --ff-body: "Inter", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--ff-head); margin: 0; color: var(--navy); line-height: 1.15; }
p { margin: 0; color: var(--ink-soft); line-height: 1.7; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn .icon { width: 18px; height: 18px; fill: currentColor; stroke: none; }
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-whatsapp { background: var(--whatsapp); color: #fff; box-shadow: 0 8px 20px rgba(37,211,102,.35); }
.btn-whatsapp:hover { background: #1fb955; }
.btn-ghost { background: rgba(11,37,69,.06); color: var(--navy); }
.btn-ghost:hover { background: rgba(11,37,69,.12); }
.btn-outline-light { border: 1.5px solid rgba(255,255,255,.55); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); }

/* INTRO / GİRİŞ SAYFASI */
.intro-screen {
  position: relative;
  min-height: calc(100vh - 78px);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 40px 24px;
  overflow: hidden;
  background: linear-gradient(155deg, #eef6ff 0%, #f4faf3 48%, #eef2f9 100%);
}

.intro-decor { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.intro-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .5;
  animation: blobDrift 14s ease-in-out infinite;
}
.intro-blob-a {
  width: 420px; height: 420px;
  top: -120px; left: -100px;
  background: radial-gradient(circle, rgba(30,111,217,.35), rgba(30,111,217,0) 70%);
}
.intro-blob-b {
  width: 460px; height: 460px;
  bottom: -160px; right: -120px;
  background: radial-gradient(circle, rgba(31,177,92,.3), rgba(31,177,92,0) 70%);
  animation-delay: -6s;
}
.intro-glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 380px; height: 380px;
  transform: translate(-50%, -55%);
  background: radial-gradient(circle, rgba(255,255,255,.9) 0%, rgba(79,168,255,.18) 55%, rgba(79,168,255,0) 75%);
  border-radius: 50%;
}
.intro-bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.9), rgba(79,168,255,.25) 60%, rgba(79,168,255,.08) 100%);
  border: 1px solid rgba(255,255,255,.6);
  animation: bubbleFloat 9s ease-in-out infinite;
}
.intro-bubble.b1 { width: 26px; height: 26px; left: 12%; top: 68%; animation-delay: 0s; }
.intro-bubble.b2 { width: 16px; height: 16px; left: 20%; top: 30%; animation-delay: -2s; }
.intro-bubble.b3 { width: 34px; height: 34px; right: 14%; top: 60%; animation-delay: -4s; }
.intro-bubble.b4 { width: 18px; height: 18px; right: 22%; top: 24%; animation-delay: -1s; }
.intro-bubble.b5 { width: 12px; height: 12px; left: 46%; top: 78%; animation-delay: -3s; }

.intro-content { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.intro-logo {
  width: min(370px, 66vw);
  margin-bottom: 14px;
  filter: drop-shadow(0 18px 34px rgba(11,37,69,.18));
  animation: introPop .9s cubic-bezier(.34,1.56,.64,1) both;
}
.intro-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0;
  animation: introRiseY .8s ease .35s both;
}
.intro-brand {
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  letter-spacing: 1px;
  background: linear-gradient(120deg, var(--navy), var(--blue) 60%, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.intro-sub {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.intro-location {
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  color: var(--blue);
  margin-top: 2px;
}
.intro-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 6px;
  opacity: 0;
  animation: introRiseY .8s ease .5s both;
}
.intro-badges .pill {
  background: rgba(11,37,69,.06);
  border: 1px solid rgba(11,37,69,.1);
  color: var(--navy);
  backdrop-filter: none;
}

.intro-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.intro-quick-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: introRiseY .8s ease .55s both;
}
.intro-location-pill {
  background: rgba(11,37,69,.06);
  border: 1px solid rgba(11,37,69,.1);
  color: var(--navy);
  backdrop-filter: none;
  opacity: 0;
  animation: introRiseY .8s ease .65s both;
}
.intro-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: introRiseY .8s ease .75s both;
}
.intro-scroll-text {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.intro-scroll-icon {
  width: 26px; height: 42px;
  border: 2px solid rgba(11,37,69,.3);
  border-radius: 20px;
  position: relative;
}
.intro-scroll-icon span {
  position: absolute; top: 6px; left: 50%; width: 5px; height: 5px; margin-left: -2.5px;
  background: var(--blue); border-radius: 50%; animation: scrollDot 1.6s infinite;
}
@keyframes introPop {
  0% { opacity: 0; transform: scale(.7); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes introRiseY {
  0% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes blobDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.08); }
}
@keyframes bubbleFloat {
  0% { transform: translateY(0) scale(1); opacity: .7; }
  50% { opacity: 1; }
  100% { transform: translateY(-38px) scale(1.08); opacity: .2; }
}
@media (max-width: 640px) {
  .intro-screen { min-height: calc(100vh - 68px); }
  .intro-brand { font-size: 1.9rem; }
  .intro-sub { font-size: 0.78rem; letter-spacing: 2px; }
  .intro-location { font-size: 0.9rem; }
  .intro-footer { gap: 10px; }
  .intro-quick-actions .btn { padding: 9px 16px; font-size: 0.85rem; }
  .intro-quick-actions .btn .icon { width: 16px; height: 16px; }
  .intro-blob-a, .intro-blob-b { width: 280px; height: 280px; }
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 78px;
}
.brand { display: flex; flex-direction: column; line-height: 1; gap: 3px; }
.brand-mark {
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: 0.5px;
  background: linear-gradient(120deg, var(--navy), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-sub { font-size: 0.68rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-soft); }

.main-nav { display: flex; gap: 30px; }
.main-nav a { font-weight: 600; font-size: 0.95rem; color: var(--navy); position: relative; padding: 6px 0; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--blue); transition: width .2s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-call span:last-child { }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); border-radius: 2px; }

/* HERO */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,20,40,.75) 0%, rgba(6,20,40,.6) 45%, rgba(6,20,40,.92) 100%);
}
.hero-inner { position: relative; z-index: 1; padding-top: 60px; padding-bottom: 100px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.pill {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(6px);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  max-width: 780px;
  margin-bottom: 22px;
}
.hero h1 span { color: var(--blue-light); }
.hero-lead { color: rgba(255,255,255,.88); max-width: 620px; font-size: 1.08rem; margin-bottom: 34px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.5); border-radius: 20px;
  z-index: 1;
}
.hero-scroll span {
  position: absolute; top: 6px; left: 50%; width: 5px; height: 5px; margin-left: -2.5px;
  background: #fff; border-radius: 50%; animation: scrollDot 1.6s infinite;
}
@keyframes scrollDot { 0% { top: 6px; opacity: 1; } 70% { top: 24px; opacity: 0; } 100% { opacity: 0; } }

/* TRUST STRIP */
.trust-strip { background: var(--navy); padding: 34px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item { display: flex; gap: 14px; align-items: flex-start; color: #fff; }
.trust-item .icon { color: var(--blue-light); margin-top: 3px; }
.trust-item strong { display: block; font-family: var(--ff-head); font-size: 1rem; margin-bottom: 3px; }
.trust-item span { color: rgba(255,255,255,.7); font-size: 0.85rem; }

/* SECTIONS */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-block; color: var(--blue); font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; font-size: 0.8rem; margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 16px; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 28px; height: 28px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; }

/* STEPS */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow);
  position: relative;
}
.step-no {
  font-family: var(--ff-head); font-weight: 800; font-size: 2.4rem;
  color: transparent; -webkit-text-stroke: 1.5px var(--blue); opacity: .45;
  display: block; margin-bottom: 10px;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step-card p { font-size: 0.92rem; }

/* GALLERY */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 210px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.gallery-item.span-2 { grid-column: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px 16px 12px;
  background: linear-gradient(0deg, rgba(6,20,40,.85), transparent);
  color: #fff; font-weight: 600; font-size: 0.9rem;
}

/* COVERAGE */
.coverage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.coverage-list { margin: 28px 0 34px; display: flex; flex-direction: column; gap: 14px; }
.coverage-list li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--navy); }
.coverage-list .icon { color: var(--green); background: rgba(31,177,92,.12); border-radius: 50%; padding: 4px; width: 26px; height: 26px; }
.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); height: 380px; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* SOCIAL */
.social-section { background: var(--bg-alt); }
.social-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.social-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; transition: transform .18s ease, box-shadow .18s ease;
}
.social-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.social-card .icon { width: 30px; height: 30px; stroke: none; fill: #fff; padding: 10px; border-radius: 12px; box-sizing: content-box; }
.social-card strong { display: block; color: var(--navy); font-family: var(--ff-head); }
.social-card span { font-size: 0.88rem; }
.social-card.instagram .icon { background: linear-gradient(135deg,#f58529,#dd2a7b,#8134af,#515bd4); }
.social-card.tiktok .icon { background: #000; }
.social-card.whatsapp .icon { background: var(--whatsapp); }

/* CTA */
.cta-section {
  background: radial-gradient(circle at 20% 20%, var(--navy-2), var(--navy) 70%);
  padding: 100px 0;
  text-align: center;
}
.cta-inner h2 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,.78); max-width: 560px; margin: 0 auto 36px; font-size: 1.05rem; }
.cta-contacts { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

/* FOOTER */
.site-footer { background: #081a30; padding: 64px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p { color: rgba(255,255,255,.55); margin-top: 14px; font-size: 0.9rem; max-width: 340px; }
.footer-brand .brand-mark { background: linear-gradient(120deg, #fff, var(--blue-light)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer-brand .brand-sub { color: rgba(255,255,255,.5); }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,.6); font-size: 0.92rem; margin-bottom: 10px; transition: color .15s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,.4); font-size: 0.82rem; }

/* FLOATING WHATSAPP */
.float-whatsapp {
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--whatsapp); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px rgba(37,211,102,.5);
  animation: pulse 2.4s infinite;
}
.float-whatsapp .icon { width: 28px; height: 28px; fill: #fff; stroke: none; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.55), 0 10px 26px rgba(37,211,102,.5); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0), 0 10px 26px rgba(37,211,102,.5); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0), 0 10px 26px rgba(37,211,102,.5); }
}

/* SCROLL REVEAL */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-call span:last-child { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .coverage-grid { grid-template-columns: 1fr; }
  .social-cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 640px) {
  .header-inner { height: 68px; }
  .brand-mark { font-size: 1.25rem; }
  .brand-sub { font-size: 0.6rem; }
  .hero { min-height: 100vh; }
  .services-grid, .steps-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery-item.span-2 { grid-column: span 2; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .section { padding: 70px 0; }
  .cta-contacts .btn { width: 100%; justify-content: center; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}

/* MOBILE NAV OPEN STATE */
.main-nav.open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  flex-direction: column;
  padding: 20px 24px;
  gap: 4px;
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--line);
}
.main-nav.open a { padding: 12px 0; border-bottom: 1px solid var(--bg-alt); }