/* =========================================================
   Finesil — Kurumsal Tek Sayfa Stil
   Renk Paleti: Siyah / Turuncu
   ========================================================= */

:root {
  --bg: #0a0a0a;
  --bg-soft: #111114;
  --bg-elev: #15151a;
  --bg-card: #161619;
  --border: #232328;
  --border-soft: #1c1c20;

  --text: #f1f1f3;
  --text-soft: #b9b9c2;
  --text-muted: #7c7c87;

  --accent: #ff6b1a;
  --accent-2: #ff8a3c;
  --accent-soft: rgba(255, 107, 26, 0.12);
  --accent-glow: rgba(255, 107, 26, 0.35);

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --shadow-sm: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-md: 0 12px 36px rgba(0,0,0,0.35);
  --shadow-orange: 0 14px 40px rgba(255, 107, 26, 0.25);

  --container: 1200px;
  --header-h: 76px;

  --t-fast: 0.18s ease;
  --t-base: 0.28s cubic-bezier(.2,.7,.2,1);
  --t-slow: 0.6s cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; color: var(--text-soft); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--accent); }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--t-base), border-color var(--t-base);
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-bottom-color: var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-img { height: 30px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.main-nav a {
  display: inline-block;
  padding: 10px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
}
.main-nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.main-nav .nav-cta {
  margin-left: 8px;
  background: var(--accent);
  color: #000;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
}
.main-nav .nav-cta:hover {
  background: var(--accent-2);
  color: #000;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: space-between;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast), color var(--t-fast);
  font-family: inherit;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover {
  background: var(--accent-2);
  color: #0a0a0a;
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-lg { padding: 16px 30px; font-size: 16px; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + 60px) 0 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.glow-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.55), transparent 70%);
  top: -120px; right: -120px;
}
.glow-2 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(255, 107, 26, 0.3), transparent 70%);
  bottom: -100px; left: -100px;
}

.hero-content { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(255,107,26,0.25);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}
.eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.hero-title {
  font-size: clamp(2.2rem, 5.2vw, 4.4rem);
  margin-bottom: 24px;
  max-width: 18ch;
}

.hero-sub {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  max-width: 60ch;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 64px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 36px;
  border-top: 1px solid var(--border-soft);
}
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-num::after {
  content: '+';
  color: var(--accent);
  margin-left: 2px;
}
.stat-label {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
}

/* =========================================================
   Sections — common
   ========================================================= */
.section {
  padding: 110px 0;
  position: relative;
}
.section-dark {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin-bottom: 16px;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--text-soft);
}

/* =========================================================
   About
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 80px;
  align-items: center;
}
.about-text .section-title { margin-bottom: 22px; }
.value-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 12px;
}
.value-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.check {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex: 0 0 auto;
}

.about-visual {
  position: relative;
  height: 460px;
}
.card-stack { position: relative; height: 100%; }
.visual-orb {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 40%, var(--accent-glow), transparent 60%);
  filter: blur(40px);
  z-index: 0;
}
.float-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-md);
  width: 240px;
  z-index: 1;
  animation: floaty 6s ease-in-out infinite;
}
.float-card .fc-icon {
  font-size: 26px;
  margin-bottom: 10px;
}
.float-card .fc-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
  color: var(--text);
}
.float-card .fc-text { font-size: 13.5px; color: var(--text-muted); }

.card-1 { top: 0; left: 8%; animation-delay: 0s; }
.card-2 { top: 36%; right: 0; animation-delay: -2s; }
.card-3 { bottom: 0; left: 18%; animation-delay: -4s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* =========================================================
   Services (overview)
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.service-card {
  position: relative;
  display: block;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--t-base), border-color var(--t-base), background var(--t-base);
  isolation: isolate;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, transparent, rgba(255,107,26,0.4), transparent 60%);
  opacity: 0;
  transition: opacity var(--t-base);
  border-radius: inherit;
  z-index: -1;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,107,26,0.45);
}
.service-card:hover::before { opacity: 1; }

.sc-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.sc-icon svg { width: 30px; height: 30px; }

.service-card h3 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.service-card p {
  margin-bottom: 22px;
  color: var(--text-soft);
}
.sc-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--t-fast);
}
.service-card:hover .sc-link { gap: 12px; }

/* =========================================================
   Feature grid (eğitim & yazılım)
   ========================================================= */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform var(--t-base), border-color var(--t-base);
}
.feature:hover {
  transform: translateY(-4px);
  border-color: rgba(255,107,26,0.4);
}
.feature-icon {
  font-size: 30px;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--accent-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.feature p {
  font-size: 14.5px;
  margin: 0;
}

/* =========================================================
   Why Us
   ========================================================= */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-item {
  padding: 36px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: border-color var(--t-base), transform var(--t-base);
}
.why-item:hover {
  border-color: rgba(255,107,26,0.4);
  transform: translateY(-4px);
}
.why-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
  line-height: 1;
}
.why-item h3 { font-size: 1.15rem; margin-bottom: 10px; }
.why-item p { font-size: 14.5px; margin: 0; }

/* =========================================================
   CTA Band
   ========================================================= */
.cta-band {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a1208 0%, #0a0a0a 60%);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(80px);
}
.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  position: relative;
}
.cta-inner h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin: 0 0 8px;
}
.cta-inner p { margin: 0; max-width: 60ch; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}
.contact-info {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: grid;
  gap: 20px;
}
.contact-info li {
  display: flex;
  align-items: center;
  gap: 16px;
}
.ci-icon {
  width: 46px; height: 46px;
  background: var(--accent-soft);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex: 0 0 auto;
}
.ci-label {
  display: block;
  font-size: 12.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}
.contact-info a, .contact-info span { color: var(--text); }
.contact-info a:hover { color: var(--accent); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: inherit;
  font-size: 15px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 13px 14px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,107,26,0.15);
}
.contact-form textarea { resize: vertical; min-height: 110px; }

.check-label {
  display: flex !important;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.check-label input { width: auto; accent-color: var(--accent); }

.form-status {
  font-size: 14px;
  min-height: 20px;
}
.form-status.success { color: #5dd693; }
.form-status.error { color: #ff7a7a; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  padding: 70px 0 24px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--border-soft);
}
.footer-brand p {
  margin-top: 14px;
  font-size: 14px;
  max-width: 32ch;
}
.footer-col h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.footer-col a {
  color: var(--text-muted);
  font-size: 14.5px;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 22px; }

/* =========================================================
   Back to top
   ========================================================= */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
  box-shadow: var(--shadow-orange);
}
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--accent-2); color: #0a0a0a; }

/* =========================================================
   Reveal animations
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(.2,.7,.2,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-visual { height: 380px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { grid-template-columns: 1fr; gap: 24px; text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 48px; }

  /* Mobilde header her zaman opak — alttaki glow'un üstüne sızmasın */
  .site-header {
    background: rgba(10, 10, 10, 0.96);
    border-bottom: 1px solid var(--border-soft);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  /* Glow'lar mobilde daha kompakt — taşma/buton görünümü oluşmaması için */
  .glow-1 {
    width: 260px; height: 260px;
    top: 40px; right: -100px;
    filter: blur(70px);
    opacity: 0.45;
  }
  .glow-2 {
    width: 220px; height: 220px;
    bottom: -60px; left: -80px;
    filter: blur(70px);
    opacity: 0.35;
  }

  .menu-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--t-base), opacity var(--t-base), visibility var(--t-base);
    padding: 16px 24px 24px;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav a {
    display: block;
    padding: 14px 16px;
    font-size: 15.5px;
    border-radius: 10px;
  }
  .main-nav .nav-cta {
    margin-left: 0;
    margin-top: 10px;
    text-align: center;
    padding: 14px;
  }

  .feature-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }

  .hero { min-height: auto; padding-top: calc(var(--header-h) + 40px); padding-bottom: 60px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 18px; padding-top: 28px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }

  .contact-form { padding: 26px; }
  .float-card { width: 200px; padding: 18px; }
}

@media (max-width: 420px) {
  .container { padding: 0 18px; }
  .hero-title { font-size: 2.1rem; }
  .stat-num { font-size: 1.7rem; }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}