/* ==========================================================================
   TableTap — ortak tasarım sistemi
   Palet: espresso/brass · Fontlar: Fraunces / Space Grotesk / JetBrains Mono
   Boşluk: 8px ölçeği (8/16/24/32/48/64/96)
   ========================================================================== */

:root {
  /* Renk */
  --bg: #17100b;
  --surface: #211811;
  --surface-2: #2a1f16;
  --brass: #c9a15c;
  --brass-bright: #ddb877;
  --brass-deep: #8c6a33;
  --sage: #9db39a;
  --ivory: #f4ede3;
  --muted: #a8988a;
  --line: rgba(201, 161, 92, 0.16);
  --line-strong: rgba(201, 161, 92, 0.34);

  /* Tipografi */
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;

  --text-sm: 0.875rem;
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.3125rem);
  --text-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --text-h2: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
  --text-h1: clamp(2.25rem, 1.6rem + 3.2vw, 4.25rem);

  /* Boşluk — 8px ölçeği */
  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 32px;
  --s5: 48px;
  --s6: 64px;
  --s7: 96px;
  --section: clamp(var(--s6), 48px + 4vw, var(--s7));

  /* Hareket */
  --dur-fast: 160ms;
  --dur: 300ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --radius: 10px;
  --nav-h: 72px;
}

/* --------------------------------------------------------------------------
   Reset / taban
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--s2));
}

body {
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--brass);
  color: var(--bg);
}

/* --------------------------------------------------------------------------
   Tipografi
   -------------------------------------------------------------------------- */

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-h1);
}

h2 {
  font-size: var(--text-h2);
}

h3 {
  font-size: var(--text-h3);
}

p {
  max-width: 62ch;
}

.lead {
  font-size: var(--text-lg);
  color: var(--muted);
  max-width: 58ch;
}

.lead strong {
  color: var(--ivory);
  font-weight: 500;
}

/* Mono eyebrow etiketi — bölüm ve sayfa üstlerinde */
.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
}

.eyebrow::before {
  content: "";
  width: var(--s4);
  height: 1px;
  background: var(--brass-deep);
  flex: none;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.container {
  width: min(1120px, 100% - var(--s5));
  margin-inline: auto;
}

.section {
  padding-block: var(--section);
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: var(--s2);
  margin-bottom: var(--s5);
  max-width: 640px;
}

/* --------------------------------------------------------------------------
   Nav
   -------------------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(23, 16, 11, 0.88);
  -webkit-backdrop-filter: blur(12px); /* eski iOS Safari */
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  color: var(--ivory);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.wordmark span {
  color: var(--brass);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s4);
}

.nav-links a:not(.btn) {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted);
  transition: color var(--dur-fast) var(--ease);
}

.nav-links a:not(.btn):hover {
  color: var(--ivory);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 10px;
  cursor: pointer;
  color: var(--ivory);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-toggle .icon-close {
  display: none;
}

/* --------------------------------------------------------------------------
   Butonlar
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s1);
  padding: 14px var(--s3);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--brass);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--brass-bright);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ivory);
}

.btn-ghost:hover {
  border-color: var(--brass);
  color: var(--brass);
}

/* --------------------------------------------------------------------------
   Hero (ana sayfa: iki kolon; hizmet sayfası: tek kolon + breadcrumb)
   -------------------------------------------------------------------------- */

.hero {
  padding-block: var(--section);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--s6);
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: var(--s3);
  justify-items: start;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-top: var(--s1);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--brass);
}

.breadcrumb .sep {
  color: var(--brass-deep);
}

.page-hero {
  display: grid;
  gap: var(--s3);
  max-width: 760px;
}

.page-hero .eyebrow {
  margin-top: var(--s2);
}

/* --------------------------------------------------------------------------
   Hizmet kartları (ana sayfa "Neler Sunuyoruz") — kırık simetrili 12'lik grid
   -------------------------------------------------------------------------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--s3);
}

.service-card {
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  gap: var(--s2);
  padding: var(--s4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

/* kırık simetri: 7/5 — 5/7 */
.service-card:nth-child(1) {
  grid-column: span 7;
}
.service-card:nth-child(2) {
  grid-column: span 5;
}
.service-card:nth-child(3) {
  grid-column: span 5;
}
.service-card:nth-child(4) {
  grid-column: span 7;
}

.service-card:hover {
  background: var(--surface-2);
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.service-card .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--brass);
}

.card-icon {
  width: 40px;
  height: 40px;
  color: var(--brass);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  margin-top: var(--s1);
}

.service-card p {
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.card-more {
  margin-top: auto;
  padding-top: var(--s2);
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--dur-fast) var(--ease);
}

.card-more::after {
  content: "→";
  transition: transform var(--dur-fast) var(--ease);
}

.service-card:hover .card-more {
  color: var(--brass);
}

.service-card:hover .card-more::after {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   .step — numaralı süreç satırları
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.step {
  display: grid;
  grid-template-columns: 88px 280px 1fr;
  gap: var(--s3);
  align-items: baseline;
  padding-block: var(--s4);
  border-bottom: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--brass);
}

.step h3 {
  font-size: var(--text-h3);
}

.step p {
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   .feature — hizmet sayfası özellik kartları
   -------------------------------------------------------------------------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s3);
}

.feature {
  display: grid;
  gap: var(--s2);
  padding: var(--s4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}

.feature:hover {
  border-color: var(--line-strong);
}

.feature-icon {
  width: 36px;
  height: 36px;
  color: var(--brass);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature h3 {
  font-size: 1.125rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0;
}

.feature p {
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   .why-row — editoryal satırlar (başlık solda, açıklama sağda)
   -------------------------------------------------------------------------- */

.why-list {
  border-top: 1px solid var(--line);
}

.why-row {
  display: grid;
  grid-template-columns: minmax(220px, 380px) 1fr;
  gap: var(--s4);
  padding-block: var(--s4);
  border-bottom: 1px solid var(--line);
}

.why-row h3 {
  font-size: var(--text-h3);
}

.why-row p {
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   İmza görsel paneli (hizmet sayfaları — içerik sayfaya özgü, çerçeve ortak)
   -------------------------------------------------------------------------- */

.visual-panel {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
  padding: var(--s5) var(--s4) var(--s6);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.visual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    420px 260px at 50% 60%,
    rgba(201, 161, 92, 0.09),
    transparent 70%
  );
  pointer-events: none;
}

.visual-caption {
  position: absolute;
  bottom: var(--s2);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   İlgili hizmetler (detay sayfaları)
   -------------------------------------------------------------------------- */

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s3);
}

.related-card {
  display: grid;
  gap: var(--s1);
  padding: var(--s3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.related-card:hover {
  background: var(--surface-2);
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.related-card .card-index {
  margin-bottom: var(--s1);
}

.related-card h3 {
  font-size: 1.0625rem;
  font-family: var(--font-body);
  font-weight: 700;
}

.related-card p {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   CTA bandı
   -------------------------------------------------------------------------- */

.cta-band {
  position: relative;
  overflow: hidden;
  padding: var(--s6) var(--s4);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  display: grid;
  gap: var(--s3);
  justify-items: start;
}

/* brass'tan türetilmiş sıcak parlama — marka rengi, jenerik gradient değil */
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    520px 260px at 85% 120%,
    rgba(201, 161, 92, 0.14),
    transparent 70%
  );
  pointer-events: none;
}

.cta-band > * {
  position: relative;
}

.cta-band h2 {
  max-width: 18ch;
}

.cta-band p {
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--line);
  padding-block: var(--s6) var(--s4);
  font-size: var(--text-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--s5);
}

.footer-brand p {
  color: var(--muted);
  margin-top: var(--s2);
  max-width: 34ch;
}

.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: var(--s2);
}

.footer-col li + li {
  margin-top: var(--s1);
}

.footer-col a {
  color: var(--muted);
  transition: color var(--dur-fast) var(--ease);
}

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

.footer-bottom {
  margin-top: var(--s5);
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: var(--s2);
  flex-wrap: wrap;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   Scroll reveal (JS .is-visible ekler; JS yoksa içerik zaten görünür)
   -------------------------------------------------------------------------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.6s var(--ease),
    transform 0.6s var(--ease);
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--s5);
  }

  .services-grid .service-card,
  .services-grid .service-card:nth-child(n) {
    grid-column: span 12;
  }

  .step {
    grid-template-columns: 56px 1fr;
  }

  .step p {
    grid-column: 2;
  }

  .why-row {
    grid-template-columns: 1fr;
    gap: var(--s2);
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--s4);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(1120px, 100% - var(--s4));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: var(--s2) var(--s3) var(--s3);
  }

  .nav-links a:not(.btn) {
    padding: var(--s2) 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-links .btn {
    margin-top: var(--s2);
  }

  .nav.is-open .nav-links {
    display: flex;
  }

  .nav.is-open .icon-menu {
    display: none;
  }

  .nav.is-open .icon-close {
    display: block;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: var(--s5) var(--s3);
  }
}

/* --------------------------------------------------------------------------
   Azaltılmış hareket
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }
}