/* ═══════════════════════════════════════════════════
   İLAY BİLİŞİM — index.css
   Ana Sayfa: Hero, Hizmetler, Hakkımızda, Referans, İletişim
═══════════════════════════════════════════════════ */

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 6vw 9vw;
  position: relative; overflow: hidden;
  background-image: url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1920&q=80');
  background-size: cover; background-position: center 30%;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(8,9,16,.83) 0%, rgba(12,12,22,.70) 60%, rgba(8,9,16,.78) 100%);
}
.hero-grid-lines {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(237,232,223,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237,232,223,.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-eyebrow {
  font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold-lt); margin-bottom: 28px;
  position: relative; z-index: 2;
  opacity: 0; animation: fadeUp .8s .2s forwards;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(52px, 8vw, 110px);
  font-weight: 300; line-height: 1.0;
  letter-spacing: -.01em; max-width: 900px;
  margin-bottom: 36px; color: #EDE8DF;
  position: relative; z-index: 2;
  opacity: 0; animation: fadeUp .9s .35s forwards;
}
.hero-title em { font-style: italic; color: var(--gold-lt); }
.hero-sub {
  font-size: 16px; font-weight: 300; color: rgba(237,232,223,.72);
  max-width: 480px; line-height: 1.75; margin-bottom: 52px;
  position: relative; z-index: 2;
  opacity: 0; animation: fadeUp .9s .5s forwards;
}
.hero-actions {
  display: flex; gap: 20px; align-items: center;
  position: relative; z-index: 2;
  opacity: 0; animation: fadeUp .9s .65s forwards;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute; bottom: 40px; right: 6vw; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  opacity: 0; animation: fadeIn 1s 1.2s forwards;
}
.hero-scroll span {
  font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(237,232,223,.45); writing-mode: vertical-lr;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--gold-lt), transparent);
  animation: scrollDown 2s 1.5s infinite;
}

/* ── SECTIONS ── */
section { padding: 120px 6vw; }

/* ── SERVICES ── */
#hizmetler { background: var(--surface2); }
.services-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: end; margin-bottom: 80px;
}
.services-desc {
  font-size: 15px; font-weight: 300; color: var(--muted);
  line-height: 1.8; max-width: 400px; align-self: end;
}
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); margin-bottom: 1px;
}
.service-card {
  background: var(--surface); padding: 48px 40px;
  transition: background .3s; position: relative; overflow: hidden;
}
.service-card::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.service-card:hover { background: #FAFAF8; }
.service-card:hover::after { transform: scaleX(1); }
.service-num {
  font-family: var(--font-head); font-size: 13px; font-weight: 400;
  color: var(--gold); margin-bottom: 36px; letter-spacing: .1em;
}
.service-icon {
  width: 44px; height: 44px; margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
}
.service-icon svg { width: 100%; height: 100%; stroke: var(--gold); fill: none; stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
.service-title { font-family: var(--font-head); font-size: 22px; font-weight: 400; margin-bottom: 14px; line-height: 1.2; }
.service-text  { font-size: 14px; font-weight: 300; color: var(--muted); line-height: 1.75; }

/* AI FEATURED */
.ai-featured {
  background: var(--dark); border: 1px solid rgba(26,24,20,.15);
  padding: 60px 56px; display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center; position: relative; overflow: hidden;
}
.ai-featured::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 100% 50%, rgba(166,124,82,.10) 0%, transparent 60%);
  pointer-events: none;
}
.ai-featured-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 10px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold-lt); margin-bottom: 20px;
}
.ai-featured-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); animation: pulse 2s infinite;
}
.ai-featured-title { font-family: var(--font-head); font-size: clamp(28px,3.5vw,46px); font-weight: 300; color: #EDE8DF; line-height: 1.1; margin-bottom: 18px; }
.ai-featured-title em { font-style: italic; color: var(--gold-lt); }
.ai-featured-text { font-size: 14px; font-weight: 300; color: rgba(237,232,223,.65); line-height: 1.8; margin-bottom: 36px; max-width: 420px; }
.ai-featured-link { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: #fff; background: var(--gold); padding: 14px 32px; border-radius: var(--radius); text-decoration: none; transition: background .25s, transform .2s; }
.ai-featured-link:hover { background: var(--gold-lt); transform: translateY(-2px); }
.ai-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; position: relative; z-index: 1; }
.ai-highlight { background: rgba(237,232,223,.06); border: 1px solid rgba(237,232,223,.10); padding: 22px 24px; border-radius: var(--radius); transition: background .25s, border-color .25s; }
.ai-highlight:hover { background: rgba(237,232,223,.09); border-color: rgba(166,124,82,.3); }
.ai-highlight-icon  { font-size: 20px; margin-bottom: 10px; }
.ai-highlight-title { font-size: 14px; font-weight: 500; color: #EDE8DF; margin-bottom: 4px; }
.ai-highlight-sub   { font-size: 12px; font-weight: 300; color: rgba(237,232,223,.50); }
.ai-price-block { grid-column: 1/-1; background: rgba(166,124,82,.12); border: 1px solid rgba(166,124,82,.25); padding: 20px 24px; border-radius: var(--radius); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.ai-price-label { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: rgba(237,232,223,.55); }
.ai-price-num   { font-family: var(--font-head); font-size: 30px; font-weight: 400; color: var(--gold-lt); }
.ai-price-sub   { font-size: 12px; color: rgba(237,232,223,.45); margin-top: 2px; }

/* ── ABOUT ── */
#hakkimizda { display: grid; grid-template-columns: 1fr 1.2fr; gap: 100px; align-items: center; }
.about-visual { position: relative; aspect-ratio: 3/4; max-width: 420px; }
.about-frame  { position: absolute; inset: 0; border: 1px solid var(--border); }
.about-inner  { position: absolute; inset: 20px; background: var(--bg); display: flex; align-items: center; justify-content: center; }
.about-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; width: 100%; height: 100%; background: var(--border); }
.about-stat { background: var(--surface); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 30px 20px; text-align: center; transition: background .3s; }
.about-stat:hover { background: #F5F3F0; }
.about-stat-num   { font-family: var(--font-head); font-size: 48px; font-weight: 300; color: var(--gold); line-height: 1; margin-bottom: 8px; }
.about-stat-label { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.about-corner { position: absolute; width: 40px; height: 40px; border-color: var(--gold); border-style: solid; }
.about-corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.about-corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.about-content .section-heading { margin-bottom: 30px; }
.about-text  { font-size: 15px; font-weight: 300; color: var(--muted); line-height: 1.85; margin-bottom: 20px; }
.about-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.pill { font-size: 12px; font-weight: 400; letter-spacing: .06em; color: var(--gold); border: 1px solid rgba(166,124,82,.3); padding: 7px 16px; border-radius: 2px; transition: background .25s, border-color .25s; }
.pill:hover { background: rgba(166,124,82,.08); border-color: var(--gold); }

/* ── TESTIMONIAL ── */
#referans { background: var(--surface2); text-align: center; }
.divider   { width: 1px; height: 80px; background: linear-gradient(to bottom, transparent, var(--gold), transparent); margin: 0 auto 60px; }
.testimonial-quote {
  font-family: var(--font-head); font-size: clamp(22px,3.5vw,40px);
  font-weight: 300; font-style: italic;
  max-width: 780px; margin: 48px auto 44px; line-height: 1.5; color: var(--dark);
}
.testimonial-quote::before { content: '\201C'; color: var(--gold); margin-right: 4px; }
.testimonial-quote::after  { content: '\201D'; color: var(--gold); margin-left:  4px; }
.testimonial-author        { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.testimonial-author strong { color: var(--dark); font-weight: 500; }

/* ── CONTACT ── */
#iletisim { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.contact-info { padding-top: 20px; }
.contact-info .section-heading { margin-bottom: 30px; }
.contact-text    { font-size: 15px; font-weight: 300; color: var(--muted); line-height: 1.8; margin-bottom: 48px; }
.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-item    { display: flex; gap: 20px; align-items: flex-start; }
.contact-item-icon { width: 36px; height: 36px; flex-shrink: 0; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; }
.contact-item-icon svg { width: 16px; height: 16px; stroke: var(--gold); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.contact-item-label { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-item-value { font-size: 14px; font-weight: 300; color: var(--dark); }
.contact-form   { display: flex; flex-direction: column; gap: 18px; }
.form-group     { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.form-ctrl {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--dark); font-family: var(--font-body); font-size: 14px; font-weight: 300;
  padding: 13px 16px; outline: none; border-radius: var(--radius);
  transition: border-color .25s; width: 100%;
}
.form-ctrl:focus    { border-color: rgba(166,124,82,.55); background: #fff; }
.form-ctrl::placeholder { color: rgba(26,24,20,.28); }
textarea.form-ctrl  { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.submit-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase;
  color: #fff; background: var(--gold);
  border: none; cursor: pointer; padding: 15px 32px;
  border-radius: var(--radius); transition: background .25s, transform .2s;
  align-self: flex-start;
}
.submit-btn:hover { background: var(--gold-lt); transform: translateY(-2px); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .ai-featured { padding: 48px 40px; }
}
@media (max-width: 900px) {
  section { padding: 80px 6vw; }
  .services-intro  { grid-template-columns: 1fr; gap: 30px; }
  .services-grid   { grid-template-columns: 1fr 1fr; }
  .ai-featured     { grid-template-columns: 1fr; gap: 40px; padding: 40px 32px; }
  #hakkimizda      { grid-template-columns: 1fr; gap: 60px; }
  .about-visual    { max-width: 100%; aspect-ratio: 4/3; }
  #iletisim        { grid-template-columns: 1fr; gap: 60px; }
}
@media (max-width: 600px) {
  .services-grid  { grid-template-columns: 1fr; }
  .ai-highlights  { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .hero-actions   { flex-direction: column; align-items: flex-start; }
}