/* ==========================================================================
   ESS QR MENÜ — Landing Page
   Tasarım sistemi: açık, ferah, "Apple-vari" premium his.
   ========================================================================== */

:root {
  /* Renkler */
  --c-bg: #ffffff;
  --c-bg-alt: #f5f5f7;
  --c-bg-cream: #faf9f6;
  --c-text: #1d1d1f;
  --c-text-secondary: #6e6e73;
  --c-text-tertiary: #9a9a9e;
  --c-border: #e5e5e7;
  --c-accent: #a9813f;
  --c-accent-strong: #8a6a30;
  --c-accent-soft: #f3ead9;
  --c-dark: #161410;
  --c-dark-surface: #211d17;

  /* Tipografi */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Ölçüler */
  --container-w: 1200px;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --section-pad: clamp(72px, 10vw, 160px);

  /* Geçişler */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 0.6s;
}

/* ============ Reset ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--c-dark);
  color: #fff;
  padding: 12px 20px;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--c-text);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}

.section-sub {
  color: var(--c-text-secondary);
  font-size: 18px;
  max-width: 560px;
}

/* ============ Reveal on scroll ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(169, 129, 63, 0.55);
}
.btn-primary:hover {
  background: var(--c-accent-strong);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 28px -10px rgba(169, 129, 63, 0.6);
}
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn-ghost:hover {
  border-color: var(--c-text);
  transform: translateY(-2px);
}
.btn-small { padding: 10px 20px; font-size: 14px; }
.btn-large { padding: 20px 44px; font-size: 18px; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.scrolled {
  border-bottom-color: var(--c-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.logo span { color: var(--c-accent); }

.main-nav {
  display: flex;
  gap: 36px;
}
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-secondary);
  transition: color 0.2s var(--ease);
  position: relative;
}
.main-nav a:hover { color: var(--c-text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.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); }

/* ============ Hero ============ */
.hero {
  padding: 180px 0 var(--section-pad);
  background:
    radial-gradient(60% 50% at 85% 0%, var(--c-accent-soft) 0%, transparent 60%),
    var(--c-bg);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(40px, 5.2vw, 68px);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 19px;
  color: var(--c-text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.trust-badges {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.trust-badges li {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-left: 18px;
  position: relative;
}
.trust-badges li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.phone-frame {
  width: 280px;
  border-radius: 44px;
  background: var(--c-dark);
  padding: 14px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,0,0,0.06);
  position: relative;
  transition: transform 0.4s var(--ease);
  will-change: transform;
}
.phone-frame img {
  border-radius: 30px;
  width: 100%;
  height: auto;
}
.phone-notch {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 22px;
  background: var(--c-dark);
  border-radius: 0 0 16px 16px;
  z-index: 2;
}
.phone-frame.small { width: 240px; }

.qr-chip {
  position: absolute;
  bottom: 24px;
  left: -8px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: 0 16px 32px -12px rgba(0,0,0,0.18);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text);
}
.qr-chip svg { color: var(--c-accent); }

/* ============ Feature Highlights ============ */
.feature-highlights {
  padding: var(--section-pad) 0;
}
.highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--c-border);
}
.highlight:last-child { border-bottom: none; }
.highlight.reverse .highlight-copy { order: 2; }
.highlight.reverse .highlight-visual { order: 1; }

.highlight-copy h2 {
  font-size: clamp(28px, 3vw, 38px);
  margin-bottom: 18px;
}
.highlight-copy > p { color: var(--c-text-secondary); font-size: 17px; margin-bottom: 22px; }

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--c-text);
  font-size: 15px;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-accent-soft);
  box-shadow: inset 0 0 0 1.5px var(--c-accent);
}
.check-list li::after {
  content: '';
  position: absolute;
  left: 5px; top: 9px;
  width: 6px; height: 3px;
  border-left: 1.5px solid var(--c-accent);
  border-bottom: 1.5px solid var(--c-accent);
  transform: rotate(-45deg);
}

.highlight-visual { display: flex; justify-content: center; }

/* ============ All Features Grid ============ */
.all-features {
  padding: var(--section-pad) 0;
  background: var(--c-bg-alt);
}
.section-heading {
  max-width: 640px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-heading.left { margin: 0 0 0 0; text-align: left; max-width: none; }
.section-heading h2 { font-size: clamp(30px, 3.4vw, 44px); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-m);
  padding: 32px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(0,0,0,0.12);
  border-color: transparent;
}
.feature-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  border-radius: 12px;
  margin-bottom: 20px;
}
.feature-card h3 { font-family: var(--font-body); font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.feature-card p { color: var(--c-text-secondary); font-size: 14.5px; }

/* ============ How it works ============ */
.how-it-works { padding: var(--section-pad) 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step { text-align: left; }
.step-number {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--c-accent);
  display: block;
  margin-bottom: 16px;
}
.step h3 { font-family: var(--font-body); font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.step p { color: var(--c-text-secondary); font-size: 15px; }

/* ============ Industry themes ============ */
.industry-themes { padding: var(--section-pad) 0; background: var(--c-bg-alt); }
.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.theme-card {
  background: #fff;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.theme-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -20px rgba(0,0,0,0.15); }
.theme-card img { width: 100%; height: auto; }
.theme-card h3 { font-family: var(--font-body); font-size: 17px; font-weight: 600; padding: 20px 24px 4px; }
.theme-card p { color: var(--c-text-secondary); font-size: 14px; padding: 0 24px 24px; }

/* ============ Gallery ============ */
.gallery { padding: var(--section-pad) 0; }
.gallery .section-heading { margin-bottom: 48px; }
.gallery-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 0 32px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.gallery-track::-webkit-scrollbar { height: 6px; }
.gallery-track::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 4px; }
.gallery-item {
  flex: 0 0 auto;
  width: 220px;
  scroll-snap-align: start;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 24px 48px -20px rgba(0,0,0,0.22);
}

/* ============ Security ============ */
.security { padding: var(--section-pad) 0; background: var(--c-dark); color: #f2efe8; }
.security-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.security .eyebrow { color: var(--c-accent); }
.security h2 { color: #fff; }
.security .section-sub { color: #b8b3a6; }
.security-list li {
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 15px;
  color: #d8d3c6;
}
.security-list li:first-child { padding-top: 0; }
.security-list strong { color: #fff; font-weight: 600; }

/* ============ FAQ ============ */
.faq { padding: var(--section-pad) 0; }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 4px;
  text-align: left;
  font-size: 17px;
  font-weight: 500;
}
.faq-icon {
  position: relative;
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-left: 20px;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--c-text);
  transition: transform 0.3s var(--ease);
}
.faq-icon::before { width: 100%; height: 1.5px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-icon::after { width: 1.5px; height: 100%; top: 0; left: 50%; transform: translateX(-50%); }
.faq-question[aria-expanded="true"] .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.faq-answer p { padding: 0 4px 24px; color: var(--c-text-secondary); font-size: 15.5px; max-width: 620px; }

/* ============ Final CTA ============ */
.final-cta { padding: var(--section-pad) 0; }
.final-cta-inner {
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
  background: var(--c-bg-cream);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-l);
  padding: clamp(48px, 6vw, 80px) clamp(24px, 6vw, 64px);
}
.final-cta .eyebrow { justify-content: center; }
.final-cta h2 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 16px; }
.final-cta .section-sub { margin: 0 auto 32px; }

/* ============ Contact page ============ */
.contact-hero {
  padding: 180px 0 60px;
  background:
    radial-gradient(60% 50% at 85% 0%, var(--c-accent-soft) 0%, transparent 60%),
    var(--c-bg);
}
.contact-hero-inner { max-width: 640px; }
.contact-hero h1 { font-size: clamp(36px, 4.6vw, 56px); margin-bottom: 18px; }
.contact-hero .hero-sub { color: var(--c-text-secondary); font-size: 18px; }

.contact-section { padding: 0 0 var(--section-pad); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 { font-size: 24px; margin-bottom: 12px; }
.contact-info .section-sub { margin-bottom: 18px; font-size: 15px; }
.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--c-accent);
  margin-bottom: 40px;
  border-bottom: 1.5px solid var(--c-accent-soft);
  padding-bottom: 4px;
  transition: border-color 0.2s var(--ease);
}
.contact-email:hover { border-color: var(--c-accent); }

.contact-meta li {
  padding: 18px 0;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-meta strong { font-size: 14px; }
.contact-meta span { color: var(--c-text-secondary); font-size: 14px; }

.contact-form-wrap {
  background: var(--c-bg-cream);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-l);
  padding: clamp(28px, 4vw, 48px);
}

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-field { margin-bottom: 22px; }
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--c-text);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-s);
  background: #fff;
  color: var(--c-text);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-accent-soft);
}
.form-field textarea { resize: vertical; min-height: 120px; }

.contact-form .btn { width: 100%; }
.form-status {
  margin-top: 16px;
  font-size: 14px;
  text-align: center;
  min-height: 20px;
}
.form-status.success { color: #4a7c4e; }
.form-status.error { color: #b3453f; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; gap: 0; }
}

/* ============ Footer ============ */
.site-footer { background: var(--c-bg-alt); padding: 72px 0 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--c-border);
}
.footer-brand p:last-child { color: var(--c-text-secondary); font-size: 14px; margin-top: 12px; max-width: 280px; }
.footer-nav, .footer-social { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a, .footer-social a { color: var(--c-text-secondary); font-size: 14.5px; transition: color 0.2s; }
.footer-nav a:hover, .footer-social a:hover { color: var(--c-text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 24px 32px;
  font-size: 13px;
  color: var(--c-text-tertiary);
  flex-wrap: wrap;
  gap: 8px;
}

/* ============ Cookie banner ============ */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 620px;
  margin: 0 auto;
  background: var(--c-dark);
  color: #f0ede4;
  padding: 22px 26px;
  border-radius: var(--radius-m);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 24px 48px -16px rgba(0,0,0,0.35);
  z-index: 150;
  transform: translateY(140%);
  transition: transform 0.5s var(--ease);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner p { font-size: 13.5px; color: #cfc9ba; flex: 1 1 260px; }
.cookie-banner a { color: var(--c-accent); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-banner .btn-ghost { border-color: rgba(255,255,255,0.25); color: #f0ede4; }
.cookie-banner .btn-ghost:hover { border-color: #fff; }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 24px; }
  .highlight, .highlight.reverse { grid-template-columns: 1fr; gap: 36px; }
  .highlight.reverse .highlight-copy { order: 1; }
  .highlight.reverse .highlight-visual { order: 2; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 48px; }
  .theme-grid { grid-template-columns: 1fr; }
  .security-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px 32px;
    gap: 4px;
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  .main-nav.is-open { transform: translateY(0); opacity: 1; }
  .main-nav a { padding: 12px 0; font-size: 17px; border-bottom: 1px solid var(--c-border); }
  .menu-toggle { display: flex; }
  .header-actions .btn-primary.btn-small { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
  .hero { padding-top: 140px; }
  .cookie-banner { left: 12px; right: 12px; bottom: 12px; flex-direction: column; align-items: stretch; text-align: center; }
}