/* =========================================================
   Daştan Yazılım — Fırat Daştan | style.css
   ========================================================= */

:root {
  --bg: #0a0e1a;
  --bg-2: #0e1424;
  --surface: #111a2e;
  --surface-2: #16203a;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eaf0ff;
  --muted: #93a1c0;
  --brand: #4f8cff;
  --brand-2: #7b5cff;
  --accent: #22d3a6;
  --grad: linear-gradient(120deg, #4f8cff 0%, #7b5cff 55%, #22d3a6 100%);
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --radius: 18px;
  --container: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .brand-text { font-family: "Sora", "Inter", sans-serif; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= PREMIUM DETAYLAR ================= */
::selection { background: rgba(79,140,255,.35); color: #fff; }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--brand), var(--brand-2)); border-radius: 999px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(var(--brand-2), var(--accent)); }
html { scrollbar-color: var(--brand) var(--bg); scrollbar-width: thin; }

/* ================= BUTTONS ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 600; font-size: 0.98rem;
  padding: 14px 26px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap; position: relative; overflow: hidden;
}
/* Butonda parıltı geçişi */
.btn::after {
  content: ""; position: absolute; top: 0; left: -80%; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.45), transparent);
  transform: skewX(-20deg); transition: left .6s var(--ease);
}
.btn:hover::after { left: 130%; }
.btn-primary {
  background: var(--grad); color: #061024; font-weight: 700;
  box-shadow: 0 12px 30px -10px rgba(79, 140, 255, .6);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -12px rgba(123, 92, 255, .7); }
.btn-ghost { background: rgba(255,255,255,.04); border-color: var(--line); color: var(--text); }
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--brand); }
.btn-block { width: 100%; }

/* ================= HEADER ================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 14, 26, .72);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}
/* İnce gradyan aksan çizgisi */
.site-header::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--brand-2), var(--accent), transparent);
  opacity: 0; transition: opacity .4s;
}
.site-header.scrolled::after { opacity: .7; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 11px; background: var(--grad); color: #061024;
  font-family: "Sora", sans-serif; font-weight: 800; font-size: 1.2rem;
}
.brand-text { font-size: 1.12rem; letter-spacing: -.3px; }
.brand-text span { color: var(--brand); }
.brand-logo { height: 44px; width: auto; display: block; }
.site-footer .brand img { height: 46px; width: auto; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  color: var(--muted); font-weight: 500; font-size: .96rem;
  padding: 9px 15px; border-radius: 10px; transition: color .2s, background .2s;
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav .nav-cta {
  color: var(--text); border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.nav .nav-cta:hover { border-color: var(--brand); color: var(--brand); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= HERO ================= */
.hero { position: relative; padding: 180px 0 130px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .28; }
.orb-1 { width: 560px; height: 560px; background: #3b6fd4; top: -200px; left: -160px; animation: float 20s var(--ease) infinite; }
.orb-2 { width: 480px; height: 480px; background: #6a4fd8; bottom: -220px; right: -140px; animation: float 26s var(--ease) infinite reverse; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(600px circle at var(--hx, 50%) var(--hy, 30%), rgba(123,92,255,.12), transparent 65%);
  transition: background .2s;
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 20%, transparent 70%);
  opacity: .32;
}
@keyframes float { 50% { transform: translate(24px, 26px) scale(1.05); } }

.hero-inner { position: relative; z-index: 1; text-align: center; max-width: 860px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--accent);
  background: rgba(34, 211, 166, .1); border: 1px solid rgba(34,211,166,.25);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 26px; font-weight: 600;
}
.hero-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; box-shadow: 0 0 0 3px rgba(34,211,166,.18); }
.hero-title { font-size: clamp(2.3rem, 6vw, 4.1rem); line-height: 1.08; font-weight: 800; letter-spacing: -1.5px; }
.hero-sub { color: var(--muted); font-size: clamp(1.02rem, 2.2vw, 1.22rem); margin: 24px auto 34px; max-width: 640px; }
.hero-sub strong { color: var(--text); }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 38px; justify-content: center; margin-top: 62px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat .num { display: block; font-family: "Sora", sans-serif; font-size: 2.5rem; font-weight: 800; color: var(--text); }
.stat small { color: var(--muted); font-size: .92rem; }

/* ================= MOCKUP GÖRSELLER ================= */
.hero-visual { margin: 62px auto 0; max-width: 660px; perspective: 1800px; }
.code-window {
  background: #0d1117; border: 1px solid #1e2942; border-radius: 14px; overflow: hidden; text-align: left;
  box-shadow: 0 50px 100px -35px rgba(0,0,0,.8);
  transform: rotateX(7deg); transition: transform .5s var(--ease);
}
.hero-visual:hover .code-window { transform: rotateX(0deg); }
.cw-bar { display: flex; align-items: center; padding: 13px 16px; background: #111722; border-bottom: 1px solid #1e2942; }
.cw-dot { width: 12px; height: 12px; border-radius: 50%; margin-right: 8px; }
.cw-tab { margin-left: 14px; font-family: Consolas, monospace; font-size: .8rem; color: #8b98b0; background: #0d1117; padding: 5px 13px; border-radius: 6px; }
.cw-lang { margin-left: auto; font-family: Consolas, monospace; font-size: .72rem; color: #61afef; letter-spacing: 1px; }
.cw-code { margin: 0; padding: 18px 8px 20px 0; overflow-x: auto; counter-reset: line; }
.cw-code code { font-family: "JetBrains Mono", "Fira Code", Consolas, monospace; font-size: 13px; line-height: 1.75; display: block; }
.cw-code .ln { display: block; white-space: pre; }
.cw-code .ln::before {
  counter-increment: line; content: counter(line);
  display: inline-block; width: 34px; margin-right: 18px; color: #3b4457; text-align: right;
}
.tok-kw { color: #c678dd; } .tok-fn { color: #61afef; } .tok-str { color: #98c379; }
.tok-var { color: #e06c75; } .tok-num { color: #d19a66; } .tok-com { color: #5c6370; font-style: italic; }
.tok-pun { color: #abb2bf; } .tok-tag { color: #e06c75; } .tok-atr { color: #d19a66; }
.cw-cursor { display: inline-block; width: 7px; height: 15px; background: #61afef; vertical-align: -2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Proje önizleme (jenerik) */
.pf-thumb {
  width: 100%; height: auto; border-radius: 12px; margin-bottom: 22px; display: block;
  box-shadow: 0 24px 46px -26px rgba(0,0,0,.7); border: 1px solid var(--line);
}
.t-blue { color: #4f8cff; } .t-amber { color: #e0954b; } .t-teal { color: #1fae9b; } .t-indigo { color: #6c5ce7; }

/* ================= TRUST ================= */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); padding: 30px 0; }
.trust-label { text-align: center; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 18px; }
.trust-logos { display: flex; flex-wrap: wrap; gap: 18px 40px; justify-content: center; align-items: center; }
.trust-logos span { color: #b9c4dc; font-family: "Sora", sans-serif; font-weight: 600; font-size: 1.05rem; opacity: .8; transition: opacity .2s; }
.trust-logos span:hover { opacity: 1; }

/* ================= SECTIONS ================= */
.section { padding: 100px 0; position: relative; overflow: hidden; }
.section > .container { position: relative; z-index: 1; }
.section-alt { background: var(--bg-2); }

/* Bölümler arası ince geçiş çizgisi */
.section::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; z-index: 0;
  background: linear-gradient(90deg, transparent, var(--line) 25%, var(--line) 75%, transparent);
}

/* Her bölüme özgü, çok hafif renkli ışık — sayfaya nefes ve ritim katar */
#hizmetler::after {
  content: ""; position: absolute; top: -160px; right: -140px; width: 480px; height: 480px; z-index: 0;
  background: radial-gradient(circle, rgba(79,140,255,.13), transparent 68%);
  filter: blur(6px); pointer-events: none;
}
#portfolyo::after {
  content: ""; position: absolute; top: 30%; left: -180px; width: 520px; height: 520px; z-index: 0;
  background: radial-gradient(circle, rgba(123,92,255,.11), transparent 68%);
  pointer-events: none;
}
#surec::after {
  content: ""; position: absolute; bottom: -180px; right: -120px; width: 460px; height: 460px; z-index: 0;
  background: radial-gradient(circle, rgba(34,211,166,.11), transparent 68%);
  pointer-events: none;
}
#hakkimda::after {
  content: ""; position: absolute; top: -120px; left: 55%; width: 560px; height: 560px; z-index: 0;
  background: radial-gradient(circle, rgba(79,140,255,.09), transparent 68%);
  pointer-events: none;
}
#iletisim::after {
  content: ""; position: absolute; top: -140px; right: 15%; width: 500px; height: 500px; z-index: 0;
  background: radial-gradient(circle, rgba(123,92,255,.1), transparent 68%);
  pointer-events: none;
}

.section-head { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.eyebrow { color: var(--brand); font-weight: 700; font-size: .82rem; letter-spacing: 2px; text-transform: uppercase; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin: 12px 0 14px; letter-spacing: -1px; line-height: 1.15; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ================= CARDS ================= */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .3s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }

/* İmleç ışığı (spotlight) */
.spot { position: relative; }
.spot > * { position: relative; z-index: 1; }
.spot::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(79,140,255,.16), transparent 60%);
  opacity: 0; transition: opacity .35s;
}
.spot:hover::after { opacity: 1; }
.card-ic {
  width: 54px; height: 54px; display: grid; place-items: center; border-radius: 14px;
  background: rgba(79,140,255,.12); color: var(--brand);
  margin-bottom: 18px;
}
.card-ic svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.24rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .96rem; margin-bottom: 16px; }
.card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.card ul li { color: #c4cfe6; font-size: .9rem; padding-left: 22px; position: relative; }
.card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ================= NEDEN BEN ================= */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.why-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 24px; display: flex; gap: 16px; align-items: flex-start;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.why-card:hover { transform: translateY(-5px); border-color: rgba(79,140,255,.4); box-shadow: var(--shadow); }
.why-ic {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(79,140,255,.12); color: var(--brand);
}
.why-ic svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.why-card h3 { font-size: 1.04rem; margin-bottom: 6px; }
.why-card p { color: var(--muted); font-size: .89rem; line-height: 1.55; }

/* ================= SÜREÇ — bağlayıcı çizgi ================= */
.steps { position: relative; }
.steps::before {
  content: ""; position: absolute; top: 26px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2), var(--accent));
  opacity: .28; z-index: 0;
}
.step { position: relative; z-index: 1; }
@media (max-width: 1050px) {
  .steps::before { display: none; }
}

/* ================= SSS (FAQ) ================= */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: border-color .3s;
}
.faq-item.open { border-color: rgba(79,140,255,.4); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: none; border: none; cursor: pointer; text-align: left;
  font-family: "Sora", sans-serif; font-size: 1rem; font-weight: 600; color: var(--text);
}
.faq-icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%; background: var(--brand);
  transform: translate(-50%, -50%); transition: transform .3s var(--ease), opacity .3s;
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; }
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-a-inner { padding: 0 24px 22px; color: var(--muted); font-size: .94rem; line-height: 1.65; }

/* ================= PORTFOLIO ================= */
.portfolio { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.pf-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
  position: relative; overflow: hidden;
}
.pf-item:hover { transform: translateY(-6px); border-color: rgba(79,140,255,.4); box-shadow: var(--shadow); }
.pf-lg { grid-column: span 2; background: linear-gradient(135deg, var(--surface-2), var(--surface)); }
.pf-tag {
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--accent); background: rgba(34,211,166,.1); padding: 5px 12px; border-radius: 999px; margin-bottom: 16px;
}
.pf-item h3 { font-size: 1.4rem; margin-bottom: 6px; }
.pf-lg h3 { font-size: 1.8rem; }
.pf-item p { color: var(--muted); margin-bottom: 18px; max-width: 620px; }
.pf-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-chips span {
  font-size: .82rem; color: #cbd5ee; background: rgba(255,255,255,.05);
  border: 1px solid var(--line); padding: 6px 13px; border-radius: 999px;
}

/* Durum rozeti */
.pf-status {
  display: inline-flex; align-items: center; gap: 7px; font-size: .74rem; font-weight: 700;
  padding: 6px 13px 6px 11px; border-radius: 999px; background: rgba(34,211,166,.1);
  color: var(--accent); border: 1px solid rgba(34,211,166,.25); margin-bottom: 16px;
}
.pf-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* Rol etiketi */
.pf-role { display: block; font-size: .86rem; font-weight: 600; color: var(--brand); margin-bottom: 14px; }

/* Kapsam listesi */
.pf-scope { list-style: none; display: flex; flex-direction: column; gap: 9px; margin: 0 0 20px; }
.pf-scope li { padding-left: 23px; position: relative; color: #c4cfe6; font-size: .92rem; line-height: 1.5; }
.pf-scope li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }

/* Büyük proje kartı — iki sütunlu düzen */
.pf-lg-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 34px; align-items: start; }
.pf-lg-grid .pf-thumb { margin-bottom: 0; }
.pf-lg .pf-scope { column-count: 2; column-gap: 26px; }
.pf-lg .pf-scope li { break-inside: avoid; margin-bottom: 3px; }

/* ================= STEPS ================= */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: transform .3s var(--ease), border-color .3s; }
.step:hover { transform: translateY(-6px); border-color: rgba(123,92,255,.4); }
.step-n { font-family: "Sora", sans-serif; font-size: 2.2rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; margin-bottom: 12px; }
.step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .94rem; }

/* ================= ABOUT ================= */
.about { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 50px; align-items: center; }
.about-card {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line); border-radius: 24px; padding: 40px 34px; text-align: center;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.about-card::after { content: ""; position: absolute; top: -80px; right: -80px; width: 200px; height: 200px; background: var(--grad); filter: blur(70px); opacity: .35; }
.about-avatar {
  width: 96px; height: 96px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #061024; font-family: "Sora", sans-serif; font-weight: 800; font-size: 2rem;
}
.about-name { font-family: "Sora", sans-serif; font-weight: 700; font-size: 1.35rem; }
.about-role { color: var(--muted); font-size: .95rem; margin-bottom: 20px; }
.about-skills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.about-skills span { font-size: .8rem; color: #cbd5ee; background: rgba(255,255,255,.05); border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px; }
.about-text h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 12px 0 16px; letter-spacing: -1px; }
.about-text p { color: var(--muted); margin-bottom: 16px; }
.about-text .btn { margin-top: 10px; }

/* ================= CONTACT ================= */
.contact { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: start; }
.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 8px; color: #cbd5ee; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 12px; background: var(--bg-2);
  border: 1px solid var(--line); color: var(--text); font-family: inherit; font-size: .96rem;
  transition: border-color .2s, box-shadow .2s;
}
.field select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2393a1c0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 18px;
  padding-right: 42px; cursor: pointer;
}
.field select option { background: var(--bg-2); color: var(--text); }
.field input::placeholder, .field textarea::placeholder { color: #5f6d8c; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(79,140,255,.18);
}
.field textarea { resize: vertical; }
.form-note { margin-top: 14px; font-size: .9rem; text-align: center; min-height: 20px; }
.form-note.ok { color: var(--accent); }
.form-note.err { color: #ff6b81; }

.contact-info { background: linear-gradient(160deg, var(--surface-2), var(--surface)); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.contact-info h3 { font-size: 1.25rem; margin-bottom: 22px; }
.ci-row { display: flex; align-items: center; gap: 15px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.ci-row:last-of-type { border-bottom: none; }
.ci-ic { width: 42px; height: 42px; flex-shrink: 0; display: grid; place-items: center; border-radius: 11px; background: rgba(79,140,255,.12); color: var(--brand); }
.ci-ic svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ci-ic-wa svg { width: 22px; height: 22px; stroke: none; fill: currentColor; }
.ci-row span:last-child { display: flex; flex-direction: column; font-weight: 600; }
.ci-row small { color: var(--muted); font-weight: 400; font-size: .8rem; }
a.ci-row:hover .ci-ic { background: var(--brand); color: #061024; }
.ci-note { margin-top: 20px; padding: 16px; background: rgba(255,255,255,.03); border-radius: 12px; color: var(--muted); font-size: .88rem; }

/* ================= FOOTER ================= */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 44px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center; }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-nav a { color: var(--muted); font-size: .94rem; transition: color .2s; }
.footer-nav a:hover { color: var(--text); }
.copy { color: #63708e; font-size: .86rem; }

/* ================= TO TOP ================= */
.to-top {
  position: fixed; bottom: 26px; right: 26px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #061024; font-size: 1.3rem; font-weight: 700;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .3s, transform .3s, visibility .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* WhatsApp yüzen buton */
.wa-float {
  position: fixed; bottom: 26px; left: 26px; z-index: 90;
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; box-shadow: 0 12px 30px -8px rgba(37,211,102,.6);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.wa-float:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 18px 40px -10px rgba(37,211,102,.75); }
.wa-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid #25d366; animation: waPulse 2.4s ease-out infinite;
}
@keyframes waPulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.6); opacity: 0; } }

/* ================= REVEAL ANIM ================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
  .about { grid-template-columns: 1fr; gap: 34px; }
  .contact { grid-template-columns: 1fr; }
  .portfolio { grid-template-columns: 1fr; }
  .pf-lg { grid-column: span 1; }
  .pf-lg-grid { grid-template-columns: 1fr; gap: 22px; }
  .pf-lg .pf-scope { column-count: 1; }
}

@media (max-width: 760px) {
  .nav {
    position: fixed; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(10,14,26,.97); backdrop-filter: blur(14px);
    padding: 16px 22px 26px; border-bottom: 1px solid var(--line);
    transform: translateY(-140%); transition: transform .4s var(--ease); z-index: -1;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 13px 15px; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .hero { padding: 130px 0 80px; }
  .hero-stats { gap: 26px; margin-top: 44px; }
  .stat .num { font-size: 2rem; }
  .section { padding: 72px 0; }
}

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