/* ============================================================
   ŞİMAL ZEMİN — 2026 Modern Corporate Stylesheet
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --color-bg: #ffffff;
  --color-surface: #f6f7f9;
  --color-ink: #0a0a0a;
  --color-ink-2: #1a1a1a;
  --color-muted: #6b7280;
  --color-line: #e6e8ec;
  --color-accent: #1e6cff;
  --color-accent-2: #0048cc;

  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --container: 1240px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(10,10,10,.06), 0 2px 8px rgba(10,10,10,.04);
  --shadow-md: 0 10px 30px -12px rgba(10,10,10,.18);
  --shadow-lg: 0 30px 60px -20px rgba(10,10,10,.25);

  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; color: var(--color-ink); }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1rem; color: var(--color-ink-2); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--alt { background: var(--color-surface); }
.section__head { max-width: 720px; margin: 0 auto clamp(40px,5vw,64px); text-align: center; }
.section__desc { color: var(--color-muted); font-size: 1.05rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.eyebrow--light { color: rgba(255,255,255,.7); }
.text-accent { color: var(--color-accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px;
  font-weight: 600; font-size: .95rem;
  border-radius: 999px;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--color-accent); color: #fff; box-shadow: 0 10px 24px -10px rgba(30,108,255,.6); }
.btn--primary:hover { background: var(--color-accent-2); transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(30,108,255,.7); }
.btn--dark { background: var(--color-ink); color: #fff; }
.btn--dark:hover { background: #222; transform: translateY(-2px); }
.btn--ghost { color: var(--color-ink); border: 1px solid var(--color-line); background: #fff; }
.btn--ghost:hover { border-color: var(--color-ink); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.header.is-scrolled { border-bottom-color: var(--color-line); box-shadow: var(--shadow-sm); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; }
.logo img { height: 40px; width: auto; }
.logo__text { font-size: 1.2rem; letter-spacing: .04em; color: var(--color-ink); }
.logo__text span { color: var(--color-accent); }
.logo--footer { color: #fff; font-size: 1.4rem; margin-bottom: 14px; display: inline-block; }
.logo--footer span { color: var(--color-accent); }

.nav { display: flex; align-items: center; gap: 36px; }
.nav__list { display: flex; gap: 30px; }
.nav__link {
  font-size: .94rem; font-weight: 500; color: var(--color-ink-2);
  position: relative; padding: 6px 0;
}
.nav__link::after {
  content:""; position:absolute; left:0; bottom:0;
  width:100%; height:2px; background: var(--color-accent);
  transform: scaleX(0); transform-origin: right; transition: transform .3s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { padding: 11px 22px; }

.hamburger {
  display: none; width: 44px; height: 44px;
  flex-direction: column; gap: 6px; align-items: center; justify-content: center;
}
.hamburger span {
  width: 24px; height: 2px; background: var(--color-ink); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.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); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: center;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.78) 100%),
    radial-gradient(1200px 600px at 70% 20%, rgba(30,108,255,.35), transparent 60%),
    linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}
.hero__bg::after {
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero__content { max-width: 820px; padding: 80px 0; }
.hero__title { color: #fff; }
.hero__title .text-accent { color: #5b95ff; }
.hero__desc { font-size: 1.15rem; color: rgba(255,255,255,.78); max-width: 640px; margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
.hero__actions .btn--ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.2); backdrop-filter: blur(6px); }
.hero__actions .btn--ghost:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.4); }
.hero__stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px; padding-top: 36px; border-top: 1px solid rgba(255,255,255,.12); max-width: 640px;
}
.hero__stats div { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--font-display); font-size: 1.8rem; color: #fff; }
.hero__stats span { font-size: .85rem; color: rgba(255,255,255,.6); }
.hero__scroll {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  display: grid; place-items: center; color: #fff;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- About ---------- */
.about__media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3; object-fit: cover; width: 100%;
}
.about__list { margin: 24px 0 32px; display: grid; gap: 10px; }
.about__list li { font-weight: 500; }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card__icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, #eef3ff, #dbe7ff);
  display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 20px;
}
.service-card h3 { margin-bottom: 8px; }
.service-card p { color: var(--color-muted); margin: 0; font-size: .95rem; }

/* ---------- Stats ---------- */
.stats {
  background: var(--color-ink);
  color: #fff;
  padding: 64px 0;
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  color: #fff;
}
.stat span { color: rgba(255,255,255,.65); font-size: .95rem; }

/* ---------- Projects ---------- */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  aspect-ratio: 4/3; box-shadow: var(--shadow-sm);
  background: #ddd;
}
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.project:hover img { transform: scale(1.08); }
.project__overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.85) 100%);
  color: #fff;
  opacity: 0; transform: translateY(20px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.project:hover .project__overlay { opacity: 1; transform: translateY(0); }
.project__overlay h4 { color: #fff; margin: 0 0 4px; font-size: 1.1rem; }
.project__overlay span { font-size: .85rem; color: rgba(255,255,255,.75); }

/* ---------- Gallery ---------- */
.gallery {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.gallery img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover;
  border-radius: var(--radius);
  transition: transform .5s var(--ease), box-shadow .3s var(--ease);
  background: #e9ebef;
}
.gallery img:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }

/* image placeholder when missing */
.img-placeholder {
  background:
    repeating-linear-gradient(45deg, #e9ebef 0 12px, #f4f5f7 12px 24px) !important;
  min-height: 100%; min-width: 100%;
  position: relative;
}

/* ---------- Quote / CTA ---------- */
.quote {
  background: linear-gradient(135deg, #0a0a0a 0%, #1a2540 100%);
  color: #fff;
  padding: clamp(64px, 8vw, 110px) 0;
}
.quote__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.quote h2 { color: #fff; }
.quote p { color: rgba(255,255,255,.7); }
.quote__form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.quote__form select, .quote__form input, .quote__form textarea, .quote__form button {
  font: inherit;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: #fff;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.quote__form input::placeholder, .quote__form textarea::placeholder { color: rgba(255,255,255,.5); }
.quote__form select { color: rgba(255,255,255,.85); }
.quote__form select option { color: #000; }
.quote__form input:focus, .quote__form select:focus, .quote__form textarea:focus {
  outline: none; border-color: var(--color-accent); background: rgba(255,255,255,.1);
}
.quote__form textarea, .quote__form button, .quote__form .quote__msg { grid-column: 1 / -1; }
.quote__form button { background: var(--color-accent); border-color: var(--color-accent); cursor: pointer; }
.quote__form button:hover { background: var(--color-accent-2); }
.quote__msg { font-size: .9rem; color: #6cf3a5; min-height: 18px; margin: 4px 0 0; }

/* ---------- Contact ---------- */
.contact__list { display: grid; gap: 12px; margin-top: 18px; }
.contact__list strong { color: var(--color-ink); margin-right: 6px; }
.contact__list a:hover { color: var(--color-accent); }
.map { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.map iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Footer ---------- */
.footer {
  background: #0a0a0a; color: rgba(255,255,255,.7);
  padding-top: 72px;
}
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 56px;
}
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer ul { display: grid; gap: 10px; font-size: .92rem; }
.footer a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
}

/* ---------- WhatsApp Float ---------- */
.whatsapp {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366;
  display: grid; place-items: center;
  box-shadow: 0 12px 30px -8px rgba(37,211,102,.6);
  transition: transform .3s var(--ease);
}
.whatsapp:hover { transform: scale(1.08); }
.whatsapp::before {
  content:""; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(37,211,102,.5);
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse { 0% { transform: scale(.9); opacity:.8 } 100% { transform: scale(1.4); opacity: 0 } }

/* ---------- Reveal Animations ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Mobile ---------- */
@media (max-width: 960px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .projects { grid-template-columns: repeat(2, 1fr); }
  .gallery  { grid-template-columns: repeat(3, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .quote__inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .hamburger { display: flex; }
  .nav {
    position: fixed; inset: 76px 0 0 0;
    background: #fff;
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    padding: 32px 24px;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    border-top: 1px solid var(--color-line);
    overflow-y: auto;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; gap: 4px; }
  .nav__link { font-size: 1.1rem; padding: 14px 0; border-bottom: 1px solid var(--color-line); display: block; }
  .nav__cta { margin-top: 18px; align-self: flex-start; }

  .hero { min-height: 88vh; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .hero__stats strong { font-size: 1.3rem; }
  .services, .projects { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .quote__form { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .whatsapp { width: 52px; height: 52px; right: 16px; bottom: 16px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}