/* ============ FİLİKA — kurumsal site ============ */
:root {
  --navy: #132f5e;
  --navy-2: #0d2348;
  --navy-3: #1b3b73;
  --cyan: #29abe2;
  --cyan-2: #1590c6;
  --bg: #f5f8fc;
  --card: #ffffff;
  --text: #24354f;
  --muted: #5b6b84;
  --line: #e3eaf3;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(19, 47, 94, 0.10);
  --font-head: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-head); color: var(--navy); line-height: 1.2; }

.container { width: min(1140px, 92%); margin: 0 auto; }

/* ============ HEADER ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy);
  box-shadow: 0 2px 14px rgba(0,0,0,.18);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 46px; height: 46px; }
.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: var(--font-head); font-weight: 800; font-size: 1.45rem;
  color: #fff; letter-spacing: 2px; line-height: 1;
}
.brand-name .dot-i { color: var(--cyan); }
.brand-sub { color: #b9c9e2; font-size: .68rem; letter-spacing: .4px; margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav-link {
  color: #d7e2f2; font-weight: 500; font-size: .95rem;
  padding: 6px 2px; border-bottom: 2px solid transparent; transition: .2s;
}
.nav-link:hover, .nav-link.active { color: #fff; border-color: var(--cyan); }
.nav-cta {
  background: var(--cyan); color: #fff; font-weight: 600; font-size: .92rem;
  padding: 9px 18px; border-radius: 999px; transition: .2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--cyan-2); }
.hamburger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 24px; height: 2.5px; background: #fff; margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ============ HERO ============ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy-2) 0%, var(--navy) 55%, var(--navy-3) 100%);
  color: #fff; overflow: hidden;
  padding: 90px 0 150px;
}
.hero-waves { position: absolute; inset: auto 0 -1px 0; }
.hero-waves svg { display: block; width: 100%; height: 150px; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: center; }
.hero-badge {
  display: inline-block; background: rgba(41,171,226,.15); border: 1px solid rgba(41,171,226,.45);
  color: #9fdcf7; font-size: .78rem; letter-spacing: .5px;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.2rem); font-weight: 800; }
.hero h1 .accent { color: var(--cyan); }
.hero-desc { color: #c3d2ea; max-width: 560px; margin: 20px 0 30px; font-size: 1.05rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: 13px 30px; border-radius: 999px; transition: .2s; cursor: pointer;
}
.btn-primary { background: var(--cyan); color: #fff; box-shadow: 0 8px 24px rgba(41,171,226,.35); }
.btn-primary:hover { background: var(--cyan-2); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.hero-visual { display: flex; justify-content: center; }
.hero-logo-ring {
  width: 270px; height: 270px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 35% 30%, rgba(41,171,226,.25), rgba(41,171,226,.04) 65%);
  border: 1px solid rgba(41,171,226,.35);
  box-shadow: 0 0 80px rgba(41,171,226,.18) inset, 0 20px 60px rgba(0,0,0,.25);
  animation: float 5s ease-in-out infinite;
}
.hero-logo { width: 170px; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ============ SECTIONS ============ */
.section { padding: 90px 0; }
.section-alt { background: #eef3f9; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.kicker {
  display: inline-block; color: var(--cyan-2); font-family: var(--font-head);
  font-weight: 600; font-size: .85rem; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 10px;
}
.section-head h2, .about-text h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 12px; }
.section-head p { color: var(--muted); }

/* hizmet kartları */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: .25s; position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--navy-3));
  transform: scaleX(0); transform-origin: left; transition: .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  color: var(--cyan); display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .93rem; }

/* hakkımızda */
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.about-card-logo {
  background: linear-gradient(160deg, var(--navy-2), var(--navy-3));
  border-radius: 24px; padding: 60px 40px; text-align: center;
  box-shadow: var(--shadow);
}
.about-card-logo img { width: 160px; margin: 0 auto 18px; }
.about-card-logo span {
  color: #fff; font-family: var(--font-head); font-weight: 800;
  font-size: 1.8rem; letter-spacing: 6px;
}
.about-text p { color: var(--muted); margin-bottom: 14px; }
.about-text strong { color: var(--navy); }
.ticks { list-style: none; margin: 18px 0 28px; }
.ticks li { padding-left: 30px; position: relative; margin-bottom: 10px; color: var(--text); font-weight: 500; }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 21px; height: 21px; border-radius: 50%; background: rgba(41,171,226,.15);
  color: var(--cyan-2); font-size: .8rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* iletişim */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: 18px; }
.person-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; display: flex; gap: 18px; align-items: center; box-shadow: 0 4px 14px rgba(19,47,94,.05);
}
.person-avatar {
  width: 58px; height: 58px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--cyan);
}
.person-card h3 { font-size: 1.08rem; }
.person-role { color: var(--cyan-2); font-size: .85rem; font-weight: 600; }
.person-links { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }
.person-links a { font-weight: 600; font-size: .95rem; color: var(--navy); }
.person-links a:hover { color: var(--cyan-2); }
.person-links .wa {
  background: #e8f8ef; color: #1eb35c; padding: 3px 12px; border-radius: 999px; font-size: .83rem;
}
.person-links .wa:hover { background: #d4f2e2; color: #178f49; }
.person-mail {
  display: inline-block; margin-top: 7px; font-size: .86rem; font-weight: 500;
  color: var(--muted); word-break: break-all;
}
.person-mail:hover { color: var(--cyan-2); }
.info-card {
  background: var(--navy); border-radius: var(--radius); padding: 26px; color: #d7e2f2;
}
.info-row { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; }
.info-row:last-child { margin-bottom: 0; }
.info-row svg { width: 22px; height: 22px; color: var(--cyan); flex-shrink: 0; margin-top: 2px; }
.info-row p { font-size: .95rem; }
.info-row a:hover { color: var(--cyan); }
.map-wrap {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  border: 1px solid var(--line); min-height: 380px; height: 100%;
}
.map-wrap iframe { width: 100%; height: 100%; min-height: 380px; border: 0; }

/* referans galerisi — slider */
.galeri-sarici { position: relative; }
.galeri {
  display: flex; gap: 14px; overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px; scrollbar-width: none;
}
.galeri::-webkit-scrollbar { display: none; }
.galeri-item {
  position: relative; border-radius: 12px; overflow: hidden; cursor: pointer;
  flex: 0 0 calc((100% - 42px) / 4); aspect-ratio: 4 / 3;
  background: #dfe7f1; border: 1px solid var(--line); scroll-snap-align: start;
}
.galeri-item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .35s ease;
}
.galeri-item:hover img { transform: scale(1.07); }
.galeri-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(19,47,94,.55));
  opacity: 0; transition: .25s;
}
.galeri-item:hover::after { opacity: 1; }
.galeri-ok {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--navy); color: #fff; font-size: 1.5rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(19,47,94,.35); transition: .2s;
}
.galeri-ok:hover { background: var(--cyan); }
.galeri-ok-sol { left: -14px; }
.galeri-ok-sag { right: -14px; }
.galeri-sayac {
  text-align: center; margin-top: 16px; color: var(--muted);
  font-size: .9rem; letter-spacing: 1px;
}

/* lightbox */
.lb {
  position: fixed; inset: 0; z-index: 100; display: none;
  background: rgba(7, 18, 38, .93);
  align-items: center; justify-content: center;
}
.lb.acik { display: flex; }
.lb img {
  max-width: min(92vw, 1400px); max-height: 86vh;
  border-radius: 10px; box-shadow: 0 20px 80px rgba(0,0,0,.5);
  user-select: none;
}
.lb-kapat, .lb-onceki, .lb-sonraki {
  position: absolute; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25);
  color: #fff; cursor: pointer; border-radius: 50%;
  width: 46px; height: 46px; font-size: 1.3rem; line-height: 1;
  display: flex; align-items: center; justify-content: center; transition: .2s;
}
.lb-kapat:hover, .lb-onceki:hover, .lb-sonraki:hover { background: var(--cyan); border-color: var(--cyan); }
.lb-kapat { top: 20px; right: 20px; }
.lb-onceki { left: 18px; top: 50%; transform: translateY(-50%); }
.lb-sonraki { right: 18px; top: 50%; transform: translateY(-50%); }
.lb-sayac {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  color: #c3d2ea; font-size: .9rem; letter-spacing: 1px;
}

/* ============ FOOTER ============ */
.site-footer { background: var(--navy-2); color: #b9c9e2; margin-top: 40px; }
.footer-inner {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px;
  padding: 50px 0 36px; align-items: start;
}
.footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.footer-brand img { width: 52px; }
.footer-brand strong {
  display: block; color: #fff; font-family: var(--font-head);
  font-size: 1.25rem; letter-spacing: 2px; margin-bottom: 4px;
}
.footer-brand span { font-size: .82rem; line-height: 1.5; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: .93rem; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; font-size: .82rem; }

/* whatsapp float */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,.4); transition: .2s;
}
.wa-float svg { width: 30px; height: 30px; }
.wa-float:hover { transform: scale(1.08); }

/* reveal animasyonu */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-logo-ring { width: 190px; height: 190px; }
  .hero-logo { width: 120px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .galeri-item { flex-basis: calc((100% - 28px) / 3); }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: 70px 0 auto 0; z-index: 49;
    background: var(--navy-2); flex-direction: column; gap: 0;
    padding: 10px 0 18px; transform: translateY(-130%); transition: .3s;
    box-shadow: 0 14px 24px rgba(0,0,0,.25);
  }
  .nav.open { transform: translateY(0); }
  .nav-link { padding: 13px 6vw; width: 100%; border-bottom: 0; }
  .nav-cta { margin: 10px 6vw 0; text-align: center; }
  .hamburger { display: block; }
  .hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .section { padding: 64px 0; }
  .hero { padding: 60px 0 120px; }
  .brand-sub { display: none; }
}
@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  .galeri-item { flex-basis: calc((100% - 14px) / 2); }
  .galeri-ok-sol { left: -6px; } .galeri-ok-sag { right: -6px; }
  .lb-onceki { left: 8px; } .lb-sonraki { right: 8px; }
}