/* ==========================================================================
   Arseta — AI Destekli CRM & Müşteri Destek Platformu
   Pazarlama sitesi stil dosyası
   ========================================================================== */

:root {
  /* Brand */
  --brand-blue: #2563eb;
  --brand-blue-600: #1d4ed8;
  --brand-cyan: #06b6d4;
  --brand-teal: #22d3ee;
  --brand-navy: #0b1220;
  --brand-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 55%, #22d3ee 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(34, 211, 238, 0.12));

  /* Neutrals */
  --ink-900: #0b1220;
  --ink-700: #1e293b;
  --ink-600: #334155;
  --ink-500: #64748b;
  --ink-400: #94a3b8;
  --line: #e2e8f0;
  --surface: #ffffff;
  --surface-alt: #f6faff;
  --surface-tint: #eff6ff;

  /* Typography */
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Effects */
  --radius: 18px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
  --shadow-glow: 0 20px 60px rgba(37, 99, 235, 0.28);

  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-700);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  color: var(--ink-900);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.02em;
}

p { margin: 0; }

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

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 26px 70px rgba(37, 99, 235, 0.36); }

.btn-ghost {
  background: #fff;
  color: var(--ink-900);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue); transform: translateY(-2px); }

.btn-light {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
}
.btn-light:hover { background: rgba(255, 255, 255, 0.24); }

.btn-lg { padding: 16px 30px; font-size: 16px; }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.nav.scrolled { border-color: var(--line); box-shadow: 0 4px 24px rgba(15, 23, 42, 0.05); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.nav-logo img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-600);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--brand-blue); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-login-mobile-button { display: none; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.45);
  outline-offset: 3px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle span + span { margin-top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 96px;
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(34, 211, 238, 0.16), transparent 60%),
    radial-gradient(900px 500px at 5% 0%, rgba(37, 99, 235, 0.14), transparent 55%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface-tint);
  border: 1px solid rgba(37, 99, 235, 0.18);
  color: var(--brand-blue-600);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.18);
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
}
/* "yapay zeka" ifadesini yalnızca geniş ekranda alt satıra indir */
.hero-br { display: none; }
@media (min-width: 961px) { .hero-br { display: inline; } }
.hero-sub {
  margin-top: 22px;
  font-size: 19px;
  color: var(--ink-600);
  max-width: 540px;
}
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 26px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--ink-500);
  font-size: 14px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta svg { color: #16a34a; flex: none; }

/* Hero visual / dashboard mockup */
.hero-visual { position: relative; }
.mockup {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  transform: perspective(1600px) rotateY(-8deg) rotateX(3deg);
  transition: transform 0.5s ease;
}
.hero-visual:hover .mockup { transform: perspective(1600px) rotateY(-3deg) rotateX(1deg); }
.mockup-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 13px 16px;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}
.mockup-bar i { width: 11px; height: 11px; border-radius: 50%; background: #e2e8f0; }
.mockup-bar i:nth-child(1) { background: #fca5a5; }
.mockup-bar i:nth-child(2) { background: #fde047; }
.mockup-bar i:nth-child(3) { background: #86efac; }
.mockup-bar .url {
  margin-left: 10px; font-size: 13px; color: var(--ink-400);
  background: #fff; border: 1px solid var(--line); border-radius: 7px;
  padding: 4px 12px;
}
.mockup-body { padding: 18px; background: #f0f7ff; }

.chat-line { display: flex; margin-bottom: 12px; }
.chat-line.me { justify-content: flex-end; }
.bubble {
  max-width: 78%;
  padding: 11px 15px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}
.bubble.ai { background: #fff; border-bottom-left-radius: 5px; color: var(--ink-700); }
.bubble.user { background: var(--brand-gradient); color: #fff; border-bottom-right-radius: 5px; }
.bubble strong { color: inherit; }
.mini-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.mini-card {
  background: #fff; border-radius: 12px; padding: 12px 14px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
}
.mini-card .k { font-size: 13px; color: var(--ink-400); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.mini-card .v { font-size: 20px; font-weight: 800; color: var(--ink-900); margin-top: 2px; }
.mini-card .v small { font-size: 13px; color: #16a34a; font-weight: 700; }

.float-chip {
  position: absolute;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  padding: 12px 15px;
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; color: var(--ink-800);
  animation: floaty 4s ease-in-out infinite;
}
.float-chip .ico {
  width: 32px; height: 32px; border-radius: 9px;
  display: grid; place-items: center; color: #fff;
  background: var(--brand-gradient);
}
.float-chip.one { top: -22px; left: -26px; }
.float-chip.two { bottom: -20px; right: -22px; animation-delay: 1.5s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Logos / trust strip ---------- */
.trust {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
}
.trust p { text-align: center; color: var(--ink-400); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }
.trust-row { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; opacity: 0.75; }
.trust-row span { font-size: 20px; font-weight: 800; color: var(--ink-400); letter-spacing: -0.02em; }

/* ---------- Sections ---------- */
section { scroll-margin-top: 84px; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--brand-blue); margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; }
.section-head p { margin-top: 16px; font-size: 18px; color: var(--ink-500); }

/* ---------- Feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(37, 99, 235, 0.35); }
.feature .ico {
  width: 50px; height: 50px; border-radius: 14px;
  display: grid; place-items: center; color: #fff; margin-bottom: 18px;
  background: var(--brand-gradient);
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.28);
}
.feature h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.feature p { color: var(--ink-500); font-size: 15px; }

/* ---------- Pillars (CRM & Support) ---------- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.pillar {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}
.pillar::before {
  content: ""; position: absolute; inset: 0;
  background: var(--brand-gradient-soft); opacity: 0;
  transition: opacity 0.25s ease;
}
.pillar:hover::before { opacity: 1; }
.pillar > * { position: relative; }
.pillar .tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: var(--brand-blue-600);
  background: var(--surface-tint); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.pillar h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; }
.pillar > p { color: var(--ink-500); font-size: 16px; margin-bottom: 22px; }
.pillar ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.pillar li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; color: var(--ink-700); }
.pillar li svg { color: var(--brand-cyan); flex: none; margin-top: 3px; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding: 30px; border-radius: var(--radius); background: var(--surface-alt); border: 1px solid var(--line); }
.step .num {
  counter-increment: step;
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 800; font-size: 18px; color: #fff;
  background: var(--brand-gradient); margin-bottom: 16px;
}
.step .num::before { content: counter(step); }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--ink-500); font-size: 15px; }

/* ---------- Stats band ---------- */
.stats {
  background:
    radial-gradient(700px 300px at 15% 20%, rgba(255,255,255,0.14), transparent 60%),
    var(--brand-navy);
  border-radius: var(--radius-lg);
  padding: 54px 40px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.stat { text-align: center; }
.stat .n { font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: -0.03em; }
.stat .n span { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .l { color: rgba(255,255,255,0.65); font-size: 14px; margin-top: 6px; }

/* ---------- Pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan {
  display: flex; flex-direction: column;
  background: #fff; border: 2px solid var(--brand-blue); border-radius: var(--radius-lg);
  padding: 32px; transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan h3 { font-size: 19px; font-weight: 700; }
.plan .price { margin: 14px 0 4px; font-size: 34px; font-weight: 800; color: var(--ink-900); line-height: 1.15; }
.plan .price.price-usage { font-size: 26px; }
.plan .price small { font-size: 15px; font-weight: 600; color: var(--ink-400); }
.plan .desc { color: var(--ink-500); font-size: 14px; min-height: 42px; }
.plan ul { list-style: none; margin: 22px 0; padding: 0; display: grid; gap: 12px; flex: 1; }
.plan li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-700); }
.plan li svg { color: var(--brand-cyan); flex: none; }
.plan .btn { width: 100%; }

/* ---------- Testimonial ---------- */
.quote {
  max-width: 860px; margin: 0 auto; text-align: center;
}
.quote .stars { color: #f59e0b; font-size: 22px; letter-spacing: 3px; margin-bottom: 22px; }
.quote blockquote { font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: var(--ink-900); line-height: 1.4; margin: 0; letter-spacing: -0.02em; }
.quote .who { margin-top: 26px; display: flex; align-items: center; justify-content: center; gap: 14px; }
.quote .who .av { width: 48px; height: 48px; border-radius: 50%; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-weight: 800; }
.quote .who .meta { text-align: left; }
.quote .who .meta b { display: block; color: var(--ink-900); }
.quote .who .meta span { color: var(--ink-500); font-size: 14px; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: rgba(37,99,235,0.3); }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 20px 24px; font-weight: 600; font-size: 16.5px; color: var(--ink-900);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus { flex: none; width: 24px; height: 24px; position: relative; transition: transform 0.25s ease; }
.faq-item summary .plus::before, .faq-item summary .plus::after {
  content: ""; position: absolute; background: var(--brand-blue); border-radius: 2px;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.faq-item summary .plus::before { width: 14px; height: 2px; }
.faq-item summary .plus::after { width: 2px; height: 14px; }
.faq-item[open] summary .plus { transform: rotate(135deg); }
.faq-item .a { padding: 0 24px 22px; color: var(--ink-500); font-size: 15.5px; }

/* ---------- CTA ---------- */
.cta-band {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 66px 40px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 80% 0%, rgba(255,255,255,0.18), transparent 60%),
    var(--brand-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.cta-band h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; }
.cta-band p { color: rgba(255,255,255,0.9); font-size: 18px; margin-top: 14px; }
.cta-band .hero-cta { justify-content: center; margin-top: 30px; }

/* ---------- Contact / Demo form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; }
.contact-info p { color: var(--ink-500); font-size: 17px; margin-top: 16px; }
.contact-list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 18px; }
.contact-list li { display: flex; gap: 14px; align-items: center; font-size: 15px; color: var(--ink-700); }
.contact-list .ico { width: 44px; height: 44px; border-radius: 12px; background: var(--surface-tint); color: var(--brand-blue); display: grid; place-items: center; flex: none; }
.contact-list b { display: block; color: var(--ink-900); }

.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px; box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-700); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px;
  font-family: inherit; font-size: 15px; color: var(--ink-900); background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--ink-400); margin-top: 6px; }
.app-message {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 16px; padding: 11px 13px;
  border: 1px solid; border-left-width: 4px; border-radius: 10px;
  font-family: inherit; font-size: 14px; font-weight: 400; line-height: 1.5;
}
.app-message::before {
  display: grid; flex: 0 0 22px; place-items: center; width: 22px; height: 22px;
  border-radius: 50%; font-size: 13px; font-weight: 700; line-height: 1;
}
.contact-form-message { display: none; }
.contact-form-message.show { display: flex; }
.app-message--info { color: #1e4f7a; background: #eff7ff; border-color: #93c5fd; }
.app-message--info::before { content: "i"; color: #fff; background: #2563eb; }
.app-message--success { color: #166534; background: #f0fdf4; border-color: #86efac; }
.app-message--success::before { content: "\2713"; color: #fff; background: #16a34a; }
.app-message--warning { color: #713f12; background: #fffbeb; border-color: #fcd34d; }
.app-message--warning::before { content: "!"; color: #713f12; background: #fbbf24; }
.app-message--error { color: #991b1b; background: #fef2f2; border-color: #fca5a5; }
.app-message--error::before { content: "!"; color: #fff; background: #dc2626; }

/* ---------- Footer ---------- */
.footer { background: var(--brand-navy); color: rgba(255,255,255,0.72); padding: 64px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand img { height: 30px; width: auto; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-brand p { font-size: 14.5px; max-width: 300px; }
.footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer ul a { font-size: 14.5px; transition: color 0.15s ease; }
.footer ul a:hover { color: #fff; }
.footer-bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 13.5px; color: rgba(255,255,255,0.5);
}
/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 480px; }
  .features { grid-template-columns: 1fr 1fr; }
  .pillars, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .stats { grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links,
  .nav-login-button,
  .nav-register-button { display: none; }
  .nav-login-mobile-button { display: inline-flex; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 16px 24px 22px;
    box-shadow: var(--shadow-md);
  }
  .nav.open .nav-links a { padding: 10px 0; width: 100%; }
  .section { padding: 68px 0; }
  .features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .container { padding: 0 18px; }
}

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

/* ==========================================================================
   Çok sayfalı site bileşenleri
   ========================================================================== */

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--brand-blue); color: #fff; padding: 12px 20px; border-radius: 0 0 10px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

.section-tight { padding-top: 0; }
.section-alt { background: var(--surface-alt); }

/* ---------- Hero rozetleri: mockup'ın üstünde kalmalı ---------- */
.float-chip { z-index: 2; }
.mockup { position: relative; z-index: 1; }

/* ---------- Navbar: açılır mega menü ---------- */
.nav-links li.has-menu { position: relative; }
.nav-menu-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer; padding: 0;
  font-family: inherit; font-size: 15px; font-weight: 500; color: var(--ink-600);
  transition: color 0.15s ease;
}
.nav-menu-btn:hover, .nav-menu-btn[aria-expanded="true"], .nav-menu-btn.is-active { color: var(--brand-blue); }
.nav-menu-btn svg { transition: transform 0.2s ease; }
.nav-menu-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-links a.is-active { color: var(--brand-blue); font-weight: 600; }

.mega {
  position: absolute; top: calc(100% + 18px); left: 50%; transform: translateX(-50%) translateY(-8px);
  width: 620px; max-width: calc(100vw - 40px);
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow-lg); padding: 14px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.nav-links li.has-menu.open .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
/* Düğme ile panel arasındaki boşluğu dolduran görünmez köprü.
   Olmazsa imleç boşluktan geçerken li'nin dışına çıkıp menü kapanıyor. */
.mega::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -26px; height: 26px;
}
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mega-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px; border-radius: 12px; transition: background 0.15s ease;
}
.mega-item:hover { background: var(--surface-tint); }
.mega-ico {
  flex: none; width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; color: #fff; background: var(--brand-gradient);
}
.mega-text b { display: block; font-size: 14.5px; color: var(--ink-900); font-weight: 700; }
.mega-text small { display: block; font-size: 13px; color: var(--ink-500); line-height: 1.45; margin-top: 2px; }
.mega-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 8px; padding: 14px 12px 6px; border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-500);
}
.mega-foot a { color: var(--brand-blue); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.nav-mobile-only { display: none; }

/* ---------- Alt sayfa hero ---------- */
.page-hero {
  position: relative; padding: 64px 0 60px; overflow: hidden;
  background:
    radial-gradient(900px 420px at 85% -20%, rgba(34, 211, 238, 0.16), transparent 60%),
    radial-gradient(800px 420px at 0% 0%, rgba(37, 99, 235, 0.13), transparent 55%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero-inner { max-width: 780px; }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; letter-spacing: -0.03em; }
.page-hero .lead { margin-top: 18px; font-size: 19px; color: var(--ink-600); }
.page-hero .hero-cta { margin-top: 30px; }
.page-hero.centered .page-hero-inner { max-width: 780px; margin: 0 auto; text-align: center; }
.page-hero.centered .hero-cta { justify-content: center; }

.crumbs { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--ink-400); margin-bottom: 18px; flex-wrap: wrap; }
.crumbs a { color: var(--ink-500); }
.crumbs a:hover { color: var(--brand-blue); }
.crumbs span[aria-current] { color: var(--ink-700); font-weight: 600; }

/* ---------- Metrik şeridi ---------- */
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 40px; }
.metric {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.metric .n { font-size: 30px; font-weight: 800; color: var(--ink-900); letter-spacing: -0.03em; }
.metric .l { font-size: 14px; color: var(--ink-500); margin-top: 4px; }

/* ---------- İkili anlatım blokları ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 92px; }
.split.reverse .split-media { order: -1; }
.split-copy .eyebrow { margin-bottom: 12px; }
.split-copy h2 { font-size: clamp(26px, 3.2vw, 34px); font-weight: 800; }
.split-copy > p { margin-top: 16px; color: var(--ink-500); font-size: 17px; }
.split-list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 14px; }
.split-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; color: var(--ink-700); }
.split-list li svg { color: var(--brand-cyan); flex: none; margin-top: 3px; }
.split-list li b { color: var(--ink-900); }

/* Ekran taklidi kartı */
.screen {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.screen-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: #f8fafc; border-bottom: 1px solid var(--line);
  font-size: 13px; font-weight: 600; color: var(--ink-600);
}
.screen-bar .dots { display: flex; gap: 6px; }
.screen-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: #e2e8f0; }
.screen-bar .dots i:nth-child(1) { background: #fca5a5; }
.screen-bar .dots i:nth-child(2) { background: #fde047; }
.screen-bar .dots i:nth-child(3) { background: #86efac; }
.screen-body { padding: 20px; background: #f7fbff; display: grid; gap: 12px; }

.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.kpi .k { font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-400); }
.kpi .v { font-size: 19px; font-weight: 800; color: var(--ink-900); margin-top: 3px; }
.kpi .v small { font-size: 12.5px; font-weight: 700; color: #16a34a; margin-left: 4px; }
.kpi .v small.down { color: #dc2626; }

.rowlist { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.rowlist .rl-head,
.rowlist .rl-row { display: grid; gap: 10px; padding: 10px 14px; font-size: 13px; align-items: center; }
.rowlist .rl-head { background: var(--surface-tint); font-weight: 700; color: var(--ink-700); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.rowlist .rl-row + .rl-row { border-top: 1px solid var(--line); }
.rowlist .rl-row { color: var(--ink-600); }
.rowlist .rl-row b { color: var(--ink-900); font-weight: 600; }
.rowlist .num { text-align: right; font-variant-numeric: tabular-nums; }
.pill { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.pill.ok { background: #f0fdf4; color: #166534; }
.pill.warn { background: #fffbeb; color: #92400e; }
.pill.info { background: var(--surface-tint); color: var(--brand-blue-600); }

.ai-note {
  background: linear-gradient(135deg, rgba(37,99,235,0.07), rgba(34,211,238,0.07));
  border: 1px solid rgba(37,99,235,0.22); border-radius: 12px; padding: 14px 16px;
  font-size: 13.5px; color: var(--ink-700); line-height: 1.55;
}
.ai-note b { color: var(--brand-blue-600); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Modül tablosu / envanter ---------- */
.module-block + .module-block { margin-top: 60px; }
.module-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.module-head .ico {
  flex: none; width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; color: #fff; background: var(--brand-gradient);
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.25);
}
.module-head h2 { font-size: 26px; font-weight: 800; }
.module-head p { color: var(--ink-500); font-size: 15.5px; margin-top: 6px; max-width: 720px; }
.module-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.module-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.module-item:hover { border-color: rgba(37,99,235,0.35); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.module-item .mi-ico {
  flex: none; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: var(--surface-tint); color: var(--brand-blue);
}
.module-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.module-item p { font-size: 14.5px; color: var(--ink-500); }

/* ---------- Kart ızgaraları ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(37, 99, 235, 0.32); }
.card .ico {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  color: #fff; background: var(--brand-gradient); margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24);
}
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--ink-500); font-size: 15px; }
.card ul { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.card li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink-700); }
.card li svg { color: var(--brand-cyan); flex: none; margin-top: 3px; }
.card .card-link { margin-top: 20px; color: var(--brand-blue); font-weight: 600; font-size: 14.5px; display: inline-flex; align-items: center; gap: 7px; }
.card .card-link:hover { gap: 11px; }
.card-tag { display: inline-block; font-size: 12.5px; font-weight: 700; color: var(--brand-blue-600); background: var(--surface-tint); padding: 5px 11px; border-radius: 999px; margin-bottom: 14px; align-self: flex-start; }
.card-pain { font-size: 14.5px; color: var(--ink-600); background: var(--surface-alt); border-left: 3px solid var(--brand-cyan); padding: 10px 14px; border-radius: 0 10px 10px 0; margin-bottom: 16px; }

/* ---------- Karşılaştırma tablosu ---------- */
.compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
table.compare { width: 100%; border-collapse: collapse; min-width: 680px; }
table.compare th, table.compare td { padding: 16px 20px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
table.compare thead th { background: var(--surface-tint); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-600); font-weight: 700; }
table.compare thead th.hi { color: var(--brand-blue-600); }
table.compare tbody th { font-weight: 600; color: var(--ink-900); width: 34%; }
table.compare td { color: var(--ink-600); }
table.compare td.hi { background: rgba(37, 99, 235, 0.045); color: var(--ink-900); font-weight: 500; }
table.compare tr:last-child th, table.compare tr:last-child td { border-bottom: none; }
.tick-yes { color: #16a34a; display: inline-flex; vertical-align: -3px; margin-right: 6px; }
.tick-no { color: var(--ink-400); display: inline-flex; vertical-align: -3px; margin-right: 6px; }

/* ---------- ROI hesaplayıcı ---------- */
.roi { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 40px; align-items: start; }
.roi-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); }
.roi-form .field { margin-bottom: 18px; }
.roi-out {
  border-radius: var(--radius-lg); padding: 34px;
  background: radial-gradient(600px 300px at 90% 0%, rgba(255,255,255,0.14), transparent 60%), var(--brand-navy);
  color: #fff; box-shadow: var(--shadow-lg);
}
.roi-out h3 { color: #fff; font-size: 19px; }
.roi-out .roi-lines { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 14px; }
.roi-out .roi-lines li { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; font-size: 15px; color: rgba(255,255,255,0.72); }
.roi-out .roi-lines li b { color: #fff; font-size: 19px; font-weight: 800; font-variant-numeric: tabular-nums; }
.roi-out .roi-total {
  margin-top: 24px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.15);
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
}
.roi-out .roi-total span { color: rgba(255,255,255,0.72); font-size: 15px; }
.roi-out .roi-total b { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.roi-out .roi-total b span { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: inherit; }
.roi-note { font-size: 12.5px; color: rgba(255,255,255,0.5); margin-top: 18px; line-height: 1.6; }

/* ---------- Adım / süreç listesi ---------- */
.timeline { display: grid; gap: 0; max-width: 820px; margin: 0 auto; }
.tl-item { display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding-bottom: 34px; position: relative; }
.tl-item:not(:last-child)::before {
  content: ""; position: absolute; left: 27px; top: 52px; bottom: 0; width: 2px; background: var(--line);
}
.tl-num {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  font-weight: 800; font-size: 19px; color: #fff; background: var(--brand-gradient);
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.24); position: relative; z-index: 1;
}
.tl-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.tl-body p { color: var(--ink-500); font-size: 15.5px; }
.tl-body .tl-meta { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--brand-blue); background: var(--surface-tint); padding: 6px 12px; border-radius: 999px; }

/* ---------- Bilgi kutusu / uyarı ---------- */
.callout {
  display: flex; gap: 16px; align-items: flex-start;
  border: 1px solid rgba(37,99,235,0.22); background: var(--surface-tint);
  border-radius: var(--radius); padding: 22px 24px;
}
.callout .ico { flex: none; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: #fff; color: var(--brand-blue); }
.callout h3 { font-size: 17px; margin-bottom: 6px; }
.callout p { font-size: 15px; color: var(--ink-600); }

/* ---------- Uzun metin (yasal sayfalar) ---------- */
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { font-size: 24px; font-weight: 800; margin-top: 44px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 18px; font-weight: 700; margin-top: 28px; }
.prose p { margin-top: 14px; color: var(--ink-600); font-size: 16px; }
.prose ul { margin: 14px 0 0; padding-left: 22px; color: var(--ink-600); font-size: 16px; display: grid; gap: 9px; }
.prose a { color: var(--brand-blue); font-weight: 500; }
.prose .updated { font-size: 14px; color: var(--ink-400); }

/* ---------- Yapışkan alt CTA ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: rgba(255,255,255,0.92); backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--line); box-shadow: 0 -6px 30px rgba(15,23,42,0.08);
  transform: translateY(110%); transition: transform 0.3s ease;
}
.sticky-cta.show { transform: translateY(0); }
.sticky-cta-inner { display: flex; align-items: center; gap: 20px; padding-top: 14px; padding-bottom: 14px; }
.sticky-cta-text { flex: 1; min-width: 0; }
.sticky-cta-text b { display: block; color: var(--ink-900); font-size: 15.5px; }
.sticky-cta-text span { font-size: 13.5px; color: var(--ink-500); }
.sticky-cta-actions { display: flex; gap: 10px; flex: none; }
.sticky-cta-actions .btn { padding: 11px 20px; font-size: 14.5px; box-shadow: none; }
.sticky-cta-close {
  flex: none; background: none; border: none; cursor: pointer; font-size: 24px; line-height: 1;
  color: var(--ink-400); padding: 4px 6px;
}
.sticky-cta-close:hover { color: var(--ink-700); }

/* Robotlara karşı korumalı e-posta bağlantısı (main.js tarafından kurulur) */
.eml { color: inherit; }
.eml[href="#"] { cursor: text; }

.cta-note { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 20px; }
.cta-note a { color: #fff; font-weight: 600; text-decoration: underline; }

/* ---------- Footer eklentileri ---------- */
.footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr 0.8fr; }
.footer-contact { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 11px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.footer-contact svg { flex: none; margin-top: 3px; opacity: 0.7; }
.footer-contact a:hover { color: #fff; }
.footer-legal { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-legal a:hover { color: #fff; }

/* ---------- Duyarlılık ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .metric-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .split, .roi { grid-template-columns: 1fr; gap: 36px; }
  .split + .split { margin-top: 64px; }
  .split.reverse .split-media { order: 0; }
  .module-items { grid-template-columns: 1fr; }
  .card-grid, .card-grid.two { grid-template-columns: 1fr 1fr; }
  .sticky-cta-inner { flex-wrap: wrap; position: relative; padding-right: 44px; }
  .sticky-cta-text { flex-basis: 100%; }
  .sticky-cta-close { position: absolute; top: 0; right: 6px; }
}
@media (max-width: 720px) {
  .nav-links li.has-menu .mega { display: none; }
  .nav.open .nav-links li.has-menu.open .mega {
    display: block; position: static; transform: none; opacity: 1; visibility: visible;
    pointer-events: auto; width: auto; box-shadow: none; border: none; padding: 4px 0 10px;
  }
  .nav.open .mega-grid { grid-template-columns: 1fr; }
  .nav.open .mega-foot { display: none; }
  .nav-mobile-only { display: block; }
  .nav.open .nav-links li { width: 100%; }
  .card-grid, .card-grid.two { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .metric-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .metric { padding: 18px; }
  .metric .n { font-size: 25px; }
  .page-hero { padding: 44px 0 42px; }
  .tl-item { grid-template-columns: 44px 1fr; gap: 16px; }
  .tl-num { width: 44px; height: 44px; font-size: 16px; border-radius: 13px; }
  .tl-item:not(:last-child)::before { left: 21px; top: 40px; }
  .sticky-cta-actions { width: 100%; }
  .sticky-cta-actions .btn { flex: 1; }
}