/* ============================================
   ABİSS BİLİŞİM — Ana Stil
   ============================================ */

:root {
  --bg: #050816;
  --bg-2: #0d1225;
  --bg-3: #111827;
  --border: rgba(255,255,255,0.08);
  --primary: #6366f1;
  --primary-glow: rgba(99,102,241,0.3);
  --accent: #a855f7;
  --cyan: #06b6d4;
  --text: #f1f5f9;
  --text-muted: #7d8bab; /* 14-15.07.2026: #64748b ~4.2:1 kontrastı WCAG AA'nın (4.5:1) altındaydı, impeccable kritiği bulup düzeltti */
  --text-sub: #94a3b8;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

img { max-width: 100%; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

/* ── CONTAINER ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0 24px;
}

#nav.scrolled {
  background: rgba(5,8,22,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 48px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--white);
}

.logo span { color: var(--primary); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 8px;
  flex: 1;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--primary);
  padding: 10px 22px;
  border-radius: 10px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: #4f46e5;
  transform: translateY(-1px);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}

.menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 0 20px;
  border-top: 1px solid var(--border);
  background: rgba(5,8,22,0.95);
  backdrop-filter: blur(20px);
}

.mobile-menu a {
  padding: 12px 0;
  font-size: 16px;
  color: var(--text-sub);
  border-bottom: 1px solid var(--border);
}

.mobile-menu.open { display: flex; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
  will-change: transform;
  transform: translateZ(0);
}

.orb-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -200px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  top: 100px; right: -150px;
  animation-delay: 2s;
}

.orb-3 {
  width: 320px; height: 320px;
  background: var(--cyan);
  bottom: -100px; left: 30%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 80px;
}

/* Hero giriş koreografisi için başlangıç durumu — Motion (script.js) bunları spring ile içeri kaydırıyor */
.hero-badge, #hero h1, .hero-sub, .hero-btns, .hero-stats, .hero-right .ai-visual-card {
  opacity: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

#hero h1 {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -3px;
  color: var(--white);
  margin-bottom: 28px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 20px;
  color: var(--text-sub);
  max-width: 540px;
  margin-bottom: 44px;
  font-weight: 400;
  line-height: 1.6;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  background: var(--primary);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px var(--primary-glow);
}

.btn-primary.full-width {
  width: 100%;
  justify-content: center;
  font-size: 16px;
  padding: 16px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-ghost:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
}

.stat span {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1;
}

.stat p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 1;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-scroll span {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ── SECTIONS COMMON ── */
section {
  padding: 120px 0;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
}

section h2 {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 18px;
  color: var(--text-sub);
  max-width: 540px;
  margin-bottom: 64px;
  line-height: 1.6;
}

/* ── HİZMETLER ── */
#hizmetler { background: var(--bg-2); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  perspective: 1000px;
}

.service-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  /* opacity/transform artık Motion (script.js) tarafından yönetiliyor — burada sadece hover geçişleri */
  transition: border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.service-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.service-card.featured {
  border-color: rgba(99,102,241,0.4);
  background: linear-gradient(135deg, #0d1225, #13152e);
}

.service-card.featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(99,102,241,0.18), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.service-card.featured:hover::after {
  opacity: 1;
}

.service-badge {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  padding: 4px 10px;
  border-radius: 100px;
}

.service-icon {
  width: 52px; height: 52px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-icon svg {
  width: 24px; height: 24px;
  color: var(--primary);
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.service-card p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.service-tags span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ── ÜRÜNLER ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  perspective: 1000px;
}

.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.product-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}

.product-visual {
  height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.bizimo-visual {
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
}

.kurye-visual {
  background: linear-gradient(135deg, #0f2027, #203a43);
}

.product-glow {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  opacity: 0.15;
  filter: blur(60px);
}

.bizimo-visual .product-glow { background: var(--primary); }
.kurye-visual .product-glow { background: var(--cyan); }

.product-logo-text {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--white);
  text-align: center;
  position: relative;
  z-index: 1;
  line-height: 1;
}

.product-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
  position: relative;
  z-index: 1;
}

/* 15.07.2026: gerçek görsel/mockup — impeccable kritiğinin "gradyan+wordmark yerine kanıt göster" bulgusu */
.phone-mockup {
  position: relative;
  z-index: 1;
  width: 132px;
  height: 268px;
  border-radius: 22px;
  border: 3px solid rgba(255,255,255,0.12);
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(0,0,0,0.5);
}

.phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.route-mockup {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}

.route-mockup svg {
  width: 100%;
  max-width: 260px;
}

.route-card {
  position: absolute;
  bottom: 20px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(17,24,39,0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  backdrop-filter: blur(8px);
}

.route-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  flex-shrink: 0;
}

.route-card-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--white);
}

.route-card-sub {
  font-size: 11px;
  color: var(--text-sub);
}

.product-info {
  padding: 32px;
  background: var(--bg-3);
}

.product-info h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.product-info p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-features li {
  font-size: 14px;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 5px;
  background: var(--primary);
  border-radius: 50%;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.product-link:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.product-link svg {
  width: 14px; height: 14px;
  transition: transform 0.2s;
}

.product-link:hover svg {
  transform: translateX(3px);
}

/* ── AI DEMO ── */
#ai-demo { background: var(--bg-2); }

.ai-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ai-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.ai-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-sub);
}

.ai-feature-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--primary);
}

.chat-window {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
}

.chat-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(99,102,241,0.05);
}

.chat-avatar {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: var(--white);
}

.chat-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.chat-status {
  font-size: 12px;
  color: #4ade80;
}

.chat-pulse {
  margin-left: auto;
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.chat-messages {
  height: 280px;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-messages::-webkit-scrollbar { width: 3px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); }

.message { display: flex; }
.message.user { justify-content: flex-end; }

.message-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.message.bot .message-bubble {
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--text);
  border-bottom-left-radius: 4px;
}

.message.user .message-bubble {
  background: var(--primary);
  color: var(--white);
  border-bottom-right-radius: 4px;
}

.chat-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}

.chat-typing span {
  width: 6px; height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chat-input-area {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.chat-input-area input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: var(--transition);
}

.chat-input-area input::placeholder { color: var(--text-muted); }

.chat-input-area input:focus {
  border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.05);
}

.chat-input-area button {
  width: 40px; height: 40px;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.chat-input-area button:hover { background: #4f46e5; }

.chat-input-area button svg {
  width: 16px; height: 16px;
  color: white;
}

/* ── NEDEN ABİSS ── */
.neden-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
  perspective: 1000px;
}

.neden-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), background-color var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.neden-card:hover {
  border-color: rgba(99,102,241,0.3);
  background: var(--bg-3);
}

.neden-num {
  font-size: 48px;
  font-weight: 900;
  color: rgba(99,102,241,0.2);
  letter-spacing: -2px;
  margin-bottom: 20px;
  line-height: 1;
}

.neden-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.neden-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── İLETİŞİM ── */
#iletisim { background: var(--bg-2); }

.iletisim-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.iletisim-left p {
  font-size: 17px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 48px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateX(4px);
}

.contact-icon {
  width: 44px; height: 44px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px; height: 20px;
  color: var(--primary);
}

.contact-icon.whatsapp {
  background: rgba(37,211,102,0.1);
  border-color: rgba(37,211,102,0.2);
}

.contact-icon.whatsapp svg { color: #25d366; }

.contact-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-value {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.contact-form {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.05);
}

.form-group select option {
  background: var(--bg-3);
  color: var(--text);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-error {
  display: block;
  min-height: 16px;
  font-size: 12px;
  color: #f87171;
  margin-top: 6px;
  letter-spacing: 0.1px;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group input.hata,
.form-group textarea.hata {
  border-color: rgba(248,113,113,0.5);
}

.form-success {
  display: none;
  text-align: center;
  color: #4ade80;
  font-size: 14px;
  margin-top: 16px;
  padding: 12px;
  background: rgba(74,222,128,0.1);
  border: 1px solid rgba(74,222,128,0.2);
  border-radius: 8px;
}

/* ── FOOTER ── */
footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

/* ── CANVAS PARTİKÜL ── */
#particleCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── HERO SPLİT ── */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 80px;
}

.hero-left { /* sol kolon — varolan içerik */ }

/* ── AI GÖRSEL KART ── */
.ai-visual-card {
  background: rgba(13,18,37,0.8);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(20px);
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
  position: relative;
  overflow: hidden;
  animation: card-float 6s ease-in-out infinite;
}

@keyframes card-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.ai-visual-card::before {
  content: '';
  position: absolute;
  top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(99,102,241,0.15), transparent 70%);
  pointer-events: none;
}

.ai-visual-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.ai-visual-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.ai-visual-dot.green { background: #4ade80; }
.ai-visual-dot.yellow { background: #fbbf24; }
.ai-visual-dot.red { background: #f87171; }

.ai-visual-title {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 6px;
  letter-spacing: 0.3px;
}

.neural-net {
  width: 100%;
  margin-bottom: 16px;
}

.neural-net svg { width: 100%; height: auto; }

.nn-node-pulse {
  animation: node-pulse 3s ease-in-out infinite;
}
.nn-node-pulse-2 {
  animation: node-pulse 3s ease-in-out infinite 1s;
}
.nn-node-pulse-3 {
  animation: node-pulse 3s ease-in-out infinite 2s;
}

@keyframes node-pulse {
  0%, 100% { opacity: 0.6; r: 14; }
  50% { opacity: 1; r: 18; }
}

.nn-line {
  animation: line-glow 3s ease-in-out infinite;
}

@keyframes line-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.ai-status-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.ai-status-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.ai-status-name {
  width: 54px;
  color: var(--text-sub);
  font-weight: 600;
  flex-shrink: 0;
}

.ai-status-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.ai-status-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  animation: bar-pulse 3s ease-in-out infinite;
}

.ai-status-fill.cyan { background: var(--cyan); }
.ai-status-fill.purple { background: var(--accent); }

@keyframes bar-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.ai-status-val {
  width: 56px;
  text-align: right;
  color: var(--text-muted);
  font-size: 11px;
}

.ai-terminal-line {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  min-height: 34px;
}

.ai-terminal-prompt { color: var(--primary); }
.ai-terminal-text { color: #4ade80; flex: 1; }
.ai-terminal-cursor {
  color: #4ade80;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── TEKNOLOJİ STRİPİ ── */
.tech-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 20px 0;
  overflow: hidden;
}

.tech-strip-inner { position: relative; }

.tech-marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.tech-list {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}

.tech-list span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0 20px;
  letter-spacing: 0.3px;
}

.tech-list .dot {
  width: 4px; height: 4px;
  background: rgba(99,102,241,0.4);
  border-radius: 50%;
  padding: 0;
  flex-shrink: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── NASIL ÇALIŞIYORUZ ── */
#nasil { background: var(--bg-2); }

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 60px;
  position: relative;
}

.process-step {
  padding: 40px 32px;
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  /* opacity/transform artık Motion (script.js) tarafından yönetiliyor */
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 70px;
  right: 0;
  width: 1px;
  height: 60%;
  background: linear-gradient(to bottom, var(--border), transparent);
}

.process-num {
  font-size: 56px;
  font-weight: 900;
  color: rgba(99,102,241,0.12);
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 20px;
}

.process-line { display: none; }

.process-icon {
  width: 52px; height: 52px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.process-icon svg {
  width: 22px; height: 22px;
  color: var(--primary);
}

.process-step h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.process-step p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── FAQ ── */
#faq { background: var(--bg); }

.faq-list {
  max-width: 800px;
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.faq-item.open {
  border-color: rgba(99,102,241,0.3);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-3);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.faq-q:hover { background: rgba(255,255,255,0.04); }

.faq-q span {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
}

.faq-icon {
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-icon svg {
  width: 14px; height: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  background: var(--primary);
  border-color: var(--primary);
}

.faq-item.open .faq-icon svg {
  transform: rotate(180deg);
  color: white;
}

.faq-a {
  height: 0;
  overflow: hidden;
  /* yükseklik artık Motion (script.js) tarafından gerçek scrollHeight ölçülerek animasyonla açılıyor — eski max-height:200px sınırı kaldırıldı, uzun cevaplar artık kırpılmıyor */
}

.faq-a p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
  background: var(--bg-3);
}

/* ── SAYAÇ ANİMASYON ── */
.counter, .counter-suffix, .counter-text {
  display: inline;
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-split { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { max-width: 480px; }
  .neden-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-wrapper { grid-template-columns: 1fr; gap: 48px; }
  .iletisim-wrapper { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .process-steps { grid-template-columns: 1fr; gap: 0; }
  .process-step:not(:last-child)::after { display: none; }
}

/* 15.07.2026: mobil sticky CTA — nav-cta mobilde gizlenince hero sonrası hiçbir dönüşüm çağrısı kalmıyordu */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 999;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(5,8,22,0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}

.mobile-sticky-cta.gorunur { transform: translateY(0); }

@media (max-width: 768px) {
  section { padding: 80px 0; }
  .nav-links, .nav-cta { display: none; }
  .menu-btn { display: flex; }
  .mobile-sticky-cta { display: block; }
  body { padding-bottom: 0; }
  #hero h1 { font-size: 42px; letter-spacing: -2px; }
  .hero-sub { font-size: 17px; }
  .hero-stats { gap: 24px; }
  .stat span { font-size: 28px; }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .faq-q span { font-size: 14px; }
}