/* ============================================================
   ARTERRA LIFE — Marka Sitesi
   İskandinav ferahlığı + Google sadeliği
   Panel mimarisi · izohips tasarım dili · Satoshi tipografi
   ============================================================ */

/* ---------- 0. Satoshi (self-hosted) ---------- */
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-300.woff2") format("woff2"); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Satoshi"; src: url("../fonts/satoshi-900.woff2") format("woff2"); font-weight: 900; font-style: normal; font-display: swap; }

/* ---------- 1. Tokens ---------- */
:root {
  --bg:            #FAF8F4;
  --surface:       #FFFFFF;
  --surface-alt:   #F1EDE6;
  --line:          #E6E1D8;
  --line-strong:   #D6CFC2;
  --sand:          #C9BCA8;
  --clay:          #A9764F;
  --clay-soft:     #C79A76;
  --ink:           #22201C;
  --ink-soft:      #5F5A51;
  --muted:         #918B7F;

  --font-sans: "Satoshi", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --fs-eyebrow: 0.75rem;
  --fs-body:    clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --fs-lead:    clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);
  --fs-h4:      clamp(1.1rem, 1rem + 0.4vw, 1.35rem);
  --fs-h3:      clamp(1.5rem, 1.2rem + 1.1vw, 2.1rem);
  --fs-h2:      clamp(2rem, 1.5rem + 2.4vw, 3.4rem);
  --fs-h1:      clamp(2.7rem, 1.5rem + 5vw, 5.75rem);

  --container: 1240px;
  --container-narrow: 860px;
  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 24px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 96px;

  --shadow-s: 0 1px 2px rgba(34,32,28,.04), 0 4px 16px rgba(34,32,28,.04);
  --shadow-m: 0 2px 4px rgba(34,32,28,.05), 0 18px 50px -12px rgba(34,32,28,.14);
  --shadow-l: 0 30px 80px -20px rgba(34,32,28,.28);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
::selection { background: var(--clay); color: #fff; }

/* ---------- 3. Panel iskeleti (JS section-navigator sürer) ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 0;
}
body.loading { overflow: hidden; height: 100dvh; }

.panel {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--header-h) - 8px) 2.25rem;
  overflow: hidden;
}
.panel--auto { min-height: 0; }
.panel--alt { background: var(--surface-alt); }
.panel--dark { background: var(--ink); color: #fff; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3.5rem);
  position: relative;
  z-index: 2;
}
.narrow { max-width: var(--container-narrow); }

/* ---------- 4. Tipografi yardımcıları ---------- */
h1,h2,h3,h4 { font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); letter-spacing: -0.01em; }
.lead { font-size: var(--fs-lead); color: var(--ink-soft); line-height: 1.5; font-weight: 400; }
.dark .lead, .panel--dark .lead { color: rgba(255,255,255,.72); }
.muted { color: var(--muted); }

.eyebrow {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before { content:""; width: 1.75rem; height: 1px; background: var(--clay-soft); }
.eyebrow--center { justify-content: center; }
.eyebrow--center::before { display: none; }
.panel--dark .eyebrow { color: var(--clay-soft); }
.panel--dark .eyebrow::before { background: var(--clay); }

.section-head { max-width: 46rem; margin-bottom: clamp(1.4rem, 3vw, 2.5rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: 1.1rem; }

/* ---------- 5. İzohips (kontur) tasarım dili ---------- */
.contours {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  color: var(--sand);
  opacity: 0.5;
}
.contours svg { width: 100%; height: 100%; }
.contours--tr { -webkit-mask-image: radial-gradient(90% 80% at 100% 0%, #000 10%, transparent 62%); mask-image: radial-gradient(90% 80% at 100% 0%, #000 10%, transparent 62%); }
.contours--bl { -webkit-mask-image: radial-gradient(90% 80% at 0% 100%, #000 10%, transparent 62%); mask-image: radial-gradient(90% 80% at 0% 100%, #000 10%, transparent 62%); }
.contours--full { -webkit-mask-image: radial-gradient(120% 90% at 50% 40%, #000 30%, transparent 78%); mask-image: radial-gradient(120% 90% at 50% 40%, #000 30%, transparent 78%); opacity: .4; }
.panel--dark .contours { color: #3a362f; opacity: .8; }

/* ---------- 6. Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55em;
  padding: 0.9em 1.7em; border-radius: 100px;
  font-size: 0.95rem; font-weight: 500; letter-spacing: -0.01em;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--clay); transform: translateY(-2px); box-shadow: var(--shadow-m); }
.btn--ghost { border: 1px solid var(--line-strong); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; transform: translateY(-2px); }
.panel--dark .btn--ghost { border-color: rgba(255,255,255,.28); color: #fff; }
.panel--dark .btn--ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ---------- 7. Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 200;
  padding-block: 1.5rem;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s var(--ease), padding .4s var(--ease);
}
.site-header.scrolled {
  background: rgba(250,248,244,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line);
  padding-block: 1rem;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; }
.brand svg { height: 42px; width: auto; color: var(--ink); transition: height .4s var(--ease); }
.scrolled .brand svg { height: 34px; }

.nav { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 2.75rem); }
.nav a { font-size: 0.92rem; font-weight: 500; color: var(--ink-soft); position: relative; transition: color .25s; }
.nav a::after { content:""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }
.header-cta { display: flex; align-items: center; gap: 1.25rem; }

.nav-toggle { display: none; width: 28px; height: 20px; position: relative; z-index: 210; }
.nav-toggle span { position: absolute; left: 0; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform .35s var(--ease), opacity .25s; }
.nav-toggle span:nth-child(1){ top: 0; }
.nav-toggle span:nth-child(2){ top: 9px; }
.nav-toggle span:nth-child(3){ top: 18px; }
body.nav-open .nav-toggle span:nth-child(1){ transform: translateY(9px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2){ opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3){ transform: translateY(-9px) rotate(-45deg); }

/* ---------- 8. Hero (full-bleed video) ---------- */
.hero { padding: 0; }
.hero-video, .hero-scrim { position: absolute; inset: 0; z-index: 0; }
.hero-video { width: 100%; height: 100%; object-fit: cover; }
.hero-scrim {
  z-index: 1;
  background:
    linear-gradient(103deg, rgba(250,248,244,.96) 0%, rgba(250,248,244,.86) 34%, rgba(250,248,244,.42) 60%, rgba(250,248,244,.06) 100%),
    linear-gradient(to top, rgba(250,248,244,.55) 0%, transparent 32%);
}
.hero .container { z-index: 3; }
.hero-copy { max-width: 40rem; }
.hero h1 { margin-block: 1.2rem 1.6rem; }
.hero h1 .accent { color: var(--clay); }
.hero-lead { max-width: 33rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }
.hero-chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.75rem; }
.chip {
  font-size: .82rem; font-weight: 500; color: var(--ink-soft);
  padding: .5em 1.05em; border-radius: 100px;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
  backdrop-filter: blur(4px);
}
.scroll-hint {
  position: absolute; left: 50%; bottom: 2rem; transform: translateX(-50%);
  z-index: 3; display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.scroll-hint .mouse { width: 22px; height: 34px; border: 1.5px solid var(--line-strong); border-radius: 12px; position: relative; }
.scroll-hint .mouse::after { content:""; position: absolute; left: 50%; top: 6px; width: 3px; height: 6px; border-radius: 3px; background: var(--muted); transform: translateX(-50%); animation: scrollDot 1.6s var(--ease) infinite; }
@keyframes scrollDot { 0%{opacity:0; transform: translate(-50%,0);} 30%{opacity:1;} 70%{opacity:1; transform: translate(-50%,10px);} 100%{opacity:0; transform: translate(-50%,10px);} }

/* ---------- 9. Manifesto ---------- */
.manifesto .container { text-align: center; }
.manifesto p {
  font-size: clamp(1.6rem, 1rem + 2.6vw, 3rem);
  font-weight: 400; line-height: 1.26; letter-spacing: -0.02em;
  color: var(--ink); max-width: 22ch; margin-inline: auto;
}
.manifesto p .soft { color: var(--muted); }

/* ---------- 10. Değerler ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.value-card {
  padding: clamp(1.4rem, 2vw, 2rem);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: var(--line-strong); }
.value-card .icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--surface-alt); color: var(--clay); margin-bottom: 1rem; }
.value-card .icon svg { width: 22px; height: 22px; }
.value-card h4 { margin-bottom: .55rem; }
.value-card p { font-size: .95rem; color: var(--ink-soft); }

/* ---------- 11. Projeler (ayrı, tam panel) ---------- */
.project-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.project--flip .project-grid { direction: rtl; }
.project--flip .project-grid > * { direction: ltr; }
.project__index { font-size: .8rem; font-weight: 600; letter-spacing: .18em; color: var(--muted); }
.project__tag {
  display: inline-block; align-self: flex-start;
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--clay);
  padding: .35em .85em; border: 1px solid var(--line-strong); border-radius: 100px; margin-block: 1rem;
}
.project__title { margin-bottom: 1rem; }
.project__title small { display: block; font-size: .42em; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-top: .6rem; }
.project__desc { color: var(--ink-soft); max-width: 44ch; }
.project__specs { display: flex; flex-wrap: wrap; gap: 1.75rem 2.5rem; margin-block: 2rem; padding-top: 1.75rem; border-top: 1px solid var(--line); }
.project__specs .k { font-size: .8rem; color: var(--muted); }
.project__specs .v { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }

.project__visual { position: relative; aspect-ratio: 5 / 4.4; border-radius: var(--radius-l); overflow: hidden; background: var(--ink); box-shadow: var(--shadow-l); }
.project__visual svg { width: 100%; height: 100%; }

/* ---------- 12. Süreç ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.step { position: relative; padding-top: 2.6rem; }
.step::before { counter-increment: step; content: "0" counter(step); font-size: .95rem; font-weight: 600; color: var(--clay); position: absolute; top: 0; left: 0; }
.step::after { content:""; position: absolute; top: .55rem; left: 3rem; right: 0; height: 1px; background: var(--line); }
.step:last-child::after { display: none; }
.panel--dark .step::after { background: #3a362f; }
.step h4 { margin-bottom: .5rem; }
.step p { font-size: .93rem; color: var(--ink-soft); }
.panel--dark .step h4 { color: #fff; }
.panel--dark .step p { color: rgba(255,255,255,.68); }

/* ---------- 13. İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact h2 { color: #fff; }
.contact-lead { color: rgba(255,255,255,.72); margin-top: 1.25rem; max-width: 34ch; }
.contact-info { margin-top: 2.5rem; display: grid; gap: 1.4rem; }
.contact-info .row { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info .row svg { width: 20px; height: 20px; color: var(--clay-soft); flex-shrink: 0; margin-top: 3px; }
.contact-info .row .k { font-size: .8rem; color: rgba(255,255,255,.5); }
.contact-info .row .v { color: #fff; }
.contact-info .row a.v:hover { color: var(--clay-soft); }

.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .45rem; }
.field.row2 { grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field label { font-size: .82rem; color: rgba(255,255,255,.6); }
.field input, .field textarea {
  width: 100%; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-s); padding: .8em 1em; color: #fff; font: inherit; font-size: .95rem;
  transition: border-color .3s, background .3s;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,.35); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--clay-soft); background: rgba(255,255,255,.08); }
.field textarea { resize: vertical; min-height: 90px; }
.form .btn--primary { background: #fff; color: var(--ink); justify-content: center; margin-top: .3rem; }
.form .btn--primary:hover { background: var(--clay); color: #fff; }
.form-note { font-size: .8rem; color: rgba(255,255,255,.4); text-align: center; }

/* ---------- 14. Footer ---------- */
.site-footer { padding-block: 3rem 2.25rem; border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-brand svg { height: 40px; color: var(--ink); margin-bottom: 1.1rem; }
.footer-brand p { color: var(--ink-soft); font-size: .92rem; max-width: 30ch; }
.footer-col h5 { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; font-weight: 600; }
.footer-col ul { display: grid; gap: .65rem; }
.footer-col a { font-size: .93rem; color: var(--ink-soft); transition: color .25s; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.footer-bottom p { font-size: .85rem; color: var(--muted); }
.footer-bottom .legal { display: flex; gap: 1.5rem; }

/* ---------- 15. Loader ---------- */
.loader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: grid; place-items: center;
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader video { width: 100%; height: 100%; object-fit: cover; }
.loader-skip {
  position: absolute; right: 1.75rem; bottom: 1.5rem;
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  padding: .55em 1.1em; border: 1px solid var(--line-strong); border-radius: 100px;
  transition: color .25s, border-color .25s, background .25s;
}
.loader-skip:hover { color: var(--ink); border-color: var(--ink); }
/* Statik marka fallback — yalnızca video oynatılamazsa görünür */
.loader-fallback { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity .3s var(--ease); pointer-events: none; }
.loader.novideo .loader-fallback { opacity: 1; }
.loader.novideo video { opacity: 0; }
.loader-fallback svg { width: min(46vw, 360px); color: var(--ink); }

/* ---------- 15b. Hakkımızda (ana sayfa bloğu) ---------- */
.about .container { max-width: 54rem; text-align: center; }
.about h2 { margin-block: 1.25rem 1.4rem; }
.about .about-copy { font-size: var(--fs-lead); color: var(--ink-soft); line-height: 1.5; font-weight: 400; max-width: 30ch; margin-inline: auto; }
.about-stats {
  display: flex; justify-content: center; flex-wrap: wrap;
  margin-top: 2.75rem;
}
.about-stats > div {
  padding: 0 clamp(1.5rem, 3vw, 2.75rem);
  display: flex; flex-direction: column; align-items: center;
}
.about-stats > div + div { border-left: 1px solid var(--line); }
.about-stats .n { font-size: clamp(1.8rem, 1.2rem + 1.6vw, 2.6rem); font-weight: 600; letter-spacing: -0.03em; color: var(--ink); line-height: 1; }
.about-stats .n .accent { color: var(--clay); }
.about-stats .t { font-size: .85rem; color: var(--muted); margin-top: .5rem; }
.about .btn { margin-top: 2.75rem; }

/* Neden Arterra — bölüm intro */
.section-intro { max-width: 54ch; margin-top: 1rem; color: var(--ink-soft); font-size: 1rem; line-height: 1.5; }

/* ---------- 15c. Arterra City (yakında — heyecan) ---------- */
.city { text-align: center; }
.city .container { max-width: 60rem; }
.city-glow {
  position: absolute; z-index: 0; left: 50%; top: 46%; transform: translate(-50%,-50%);
  width: 80vw; max-width: 900px; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(169,118,79,.42) 0%, rgba(169,118,79,.10) 40%, transparent 68%);
  filter: blur(20px); pointer-events: none;
  animation: cityPulse 6s var(--ease) infinite;
}
@keyframes cityPulse { 0%,100%{ opacity:.65; transform: translate(-50%,-50%) scale(1); } 50%{ opacity:1; transform: translate(-50%,-50%) scale(1.08); } }
.city-badge {
  display: inline-flex; align-items: center; gap: .6em;
  font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 600;
  color: var(--clay-soft);
  padding: .55em 1.2em; border: 1px solid rgba(199,154,118,.35); border-radius: 100px;
  background: rgba(199,154,118,.06);
}
.city-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--clay-soft); animation: cityBlink 1.8s ease-in-out infinite; }
@keyframes cityBlink { 0%,100%{ opacity:1; box-shadow:0 0 0 0 rgba(199,154,118,.5);} 50%{ opacity:.5; box-shadow:0 0 0 6px rgba(199,154,118,0);} }
.city-title {
  font-size: clamp(3rem, 2rem + 6.5vw, 7.5rem);
  font-weight: 600; letter-spacing: -0.03em; line-height: .95;
  margin-block: 1.35rem 1.2rem;
  background: linear-gradient(180deg, #FFFFFF 0%, #EFE7DB 55%, #C79A76 130%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
/* Arterra City — logodan lockup */
.city-logo { display: flex; flex-direction: column; align-items: center; margin-block: 1.1rem 1.1rem; }
.city-arterra { width: min(66vw, 540px); height: auto; color: #F3ECE2; filter: drop-shadow(0 2px 20px rgba(199,154,118,.35)); }
.city-word {
  font-family: var(--font-sans); font-weight: 700; line-height: 1;
  font-size: clamp(2rem, 1rem + 5.5vw, 5.5rem); letter-spacing: .32em; text-indent: .32em;
  margin-top: -0.35em;
  background: linear-gradient(180deg, #FFFFFF 0%, #EFE7DB 52%, #C79A76 128%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.city-lead { color: rgba(255,255,255,.72); font-size: 1.15rem; max-width: 44ch; margin: 0 auto 1.9rem; line-height: 1.5; }
.city-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: .9rem 2.5rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #3a362f; }
.city-meta .k { font-size: .78rem; color: rgba(255,255,255,.45); letter-spacing: .04em; }
.city-meta .v { font-size: 1.05rem; font-weight: 600; color: #fff; margin-top: .2rem; }

/* ---------- 15d. Genel section (Hakkımızda sayfası — normal akış) ---------- */
.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }
.about-hero { padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6rem)); }
.about-hero .eyebrow { margin-bottom: 1.5rem; }
.about-hero h1 { font-size: var(--fs-h1); max-width: 16ch; }
.about-hero .lead { margin-top: 1.75rem; max-width: 52ch; }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about-cols h2 { font-size: var(--fs-h3); }
.about-cols p { color: var(--ink-soft); }
.about-cols p + p { margin-top: 1.1rem; }
.stat-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.stat-band .stat { padding: 2rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); }
.stat-band .num { font-size: clamp(2rem, 1.4rem + 2vw, 3rem); font-weight: 600; letter-spacing: -0.03em; color: var(--ink); }
.stat-band .num .accent { color: var(--clay); }
.stat-band .lbl { font-size: .92rem; color: var(--ink-soft); margin-top: .4rem; }
.cta-band { text-align: center; }
.cta-band h2 { color: #fff; margin-bottom: 1.75rem; }

/* ---------- 15h. Yasal metin (prose) ---------- */
.prose { max-width: 760px; margin-inline: auto; }
.prose .doc-meta { font-size: .85rem; color: var(--muted); margin-bottom: 2.5rem; }
.prose h2 { font-size: clamp(1.2rem, 1rem + 0.6vw, 1.5rem); margin-top: 2.5rem; margin-bottom: .75rem; }
.prose h2:first-of-type { margin-top: 0; }
.prose p, .prose li { color: var(--ink-soft); line-height: 1.7; }
.prose p + p { margin-top: 1rem; }
.prose ul { margin: 1rem 0 0 1.25rem; list-style: disc; display: grid; gap: .5rem; }
.prose a { color: var(--clay); text-decoration: underline; text-underline-offset: 3px; }
.prose .note { margin-top: 3rem; padding: 1.25rem 1.5rem; background: var(--surface-alt); border-radius: var(--radius-m); font-size: .9rem; color: var(--ink-soft); }

/* ---------- 15e. Güven katmanı (testimonials + rozetler) ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testi {
  padding: clamp(1.5rem, 2.2vw, 2.1rem);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m);
  display: flex; flex-direction: column; gap: 1.1rem;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.testi:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.testi .stars { color: var(--clay); font-size: .95rem; letter-spacing: 2px; }
.testi blockquote { color: var(--ink); font-size: 1rem; line-height: 1.55; }
.testi .who { display: flex; align-items: center; gap: .75rem; margin-top: auto; }
.testi .avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--surface-alt); display: grid; place-items: center; color: var(--clay); font-weight: 600; font-size: .95rem; }
.testi .nm { font-weight: 600; font-size: .92rem; }
.testi .rl { font-size: .8rem; color: var(--muted); }
.trust-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem 2.75rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.trust-badge { display: flex; align-items: center; gap: .6rem; font-size: .92rem; color: var(--ink-soft); font-weight: 500; }
.trust-badge svg { width: 22px; height: 22px; color: var(--clay); flex-shrink: 0; }

/* ---------- 15f. SSS (akordeon) ---------- */
.faq-list { max-width: 800px; margin-inline: auto; width: 100%; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 1.25rem;
  padding: 1.2rem 0.25rem; font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem); font-weight: 500; color: var(--ink);
  transition: color .25s;
}
.faq-q:hover { color: var(--clay); }
.faq-icon { flex-shrink: 0; width: 20px; height: 20px; position: relative; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 14px; height: 2px; background: var(--clay); transform: translate(-50%,-50%); transition: transform .35s var(--ease); border-radius: 2px; }
.faq-icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.faq-item.open .faq-icon::after { transform: translate(-50%,-50%) rotate(0deg); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .4s var(--ease); }
.faq-a p { padding: 0 0.25rem 1.25rem; color: var(--ink-soft); max-width: 70ch; font-size: .98rem; line-height: 1.6; }
.faq-item.open .faq-a { max-height: 340px; }

/* ---------- 15g. WhatsApp FAB ---------- */
.wa-fab {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 300;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: grid; place-items: center;
  transition: transform .35s var(--ease);
  animation: waFabPulse 2.6s var(--ease) infinite;
}
@keyframes waFabPulse {
  0%   { box-shadow: 0 8px 22px rgba(37,211,102,.35), 0 0 0 0 rgba(37,211,102,.45); }
  70%  { box-shadow: 0 8px 22px rgba(37,211,102,.35), 0 0 0 13px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 22px rgba(37,211,102,.35), 0 0 0 0 rgba(37,211,102,0); }
}
.wa-fab:hover { transform: scale(1.08) translateY(-2px); }
.wa-fab svg { width: 30px; height: 30px; }
@media (max-width: 620px) { .wa-fab { width: 54px; height: 54px; right: 1rem; bottom: 1rem; } }

/* ---------- 15i. Konum (interaktif 3B render) ---------- */
.konum .konum-head { text-align: center; max-width: 52rem; margin-inline: auto; margin-bottom: clamp(1rem, 1.8vw, 1.4rem); }
.konum .konum-head h2 { margin-top: .8rem; font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.3rem); }
.konum .konum-head p { margin-top: .7rem; color: var(--ink-soft); font-size: .98rem; max-width: 46rem; margin-inline: auto; }
.konum .konum-head strong { color: var(--ink); font-weight: 600; }

.konum-stage {
  position: relative;
  aspect-ratio: 2752 / 1536;
  width: min(100%, calc(48dvh * 1.79));
  margin-inline: auto;
  overflow: visible;
}
.konum-frame {
  position: absolute; inset: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-l);
  background: #cfc7ba;
}
.konum-frame img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scale(1.06); animation: kenburns 34s var(--ease) infinite alternate; }
@keyframes kenburns { 0% { transform: scale(1.06) translate(0,0); } 100% { transform: scale(1.14) translate(-1.5%, -1%); } }
.konum-frame::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to top, rgba(20,18,15,.55) 0%, transparent 32%), linear-gradient(105deg, rgba(20,18,15,.35) 0%, transparent 40%); }

/* Hotspot (değer sürücüleri) */
.hotspot { position: absolute; transform: translate(-50%,-50%); z-index: 3; width: 18px; height: 18px; }
.hotspot .dot { position: absolute; inset: 0; margin: auto; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--clay); box-shadow: 0 2px 6px rgba(0,0,0,.35); transition: transform .3s var(--ease); }
.hotspot .dot::before { content: ""; position: absolute; inset: -2px; border-radius: 50%; border: 2px solid #fff; opacity: .6; animation: hsPulse 2.2s var(--ease) infinite; }
@keyframes hsPulse { 0% { transform: scale(1); opacity: .6; } 70%,100% { transform: scale(2.4); opacity: 0; } }
.hotspot .hs-label {
  position: absolute; left: 50%; top: calc(100% + 9px); transform: translateX(-50%) translateY(-4px);
  white-space: nowrap; background: rgba(255,255,255,.97); color: var(--ink);
  font-size: .78rem; font-weight: 600; padding: .4em .75em; border-radius: 8px;
  box-shadow: var(--shadow-m); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease); z-index: 6;
}
.hotspot .hs-label small { display: block; font-weight: 400; color: var(--muted); font-size: .92em; }
.hotspot:hover, .hotspot:focus-visible { outline: none; }
.hotspot.active { z-index: 6; }
.hotspot:hover .hs-label, .hotspot.active .hs-label { opacity: 1; transform: translateX(-50%) translateY(0); }
.hotspot:hover .dot, .hotspot.active .dot { transform: scale(1.25); }

/* Parsel pini (Arterra One & Next) */
.parcel-pin { position: absolute; transform: translate(-50%,-100%); z-index: 4; display: flex; flex-direction: column; align-items: center; }
.parcel-pin .flag {
  background: var(--clay); color: #fff; font-size: .8rem; font-weight: 600; letter-spacing: .01em;
  padding: .5em .9em; border-radius: 100px; white-space: nowrap; box-shadow: 0 6px 18px rgba(169,118,79,.5);
  display: inline-flex; align-items: center; gap: .5em;
}
.parcel-pin .flag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #fff; animation: cityBlink 1.6s ease-in-out infinite; }
.parcel-pin .stem { width: 2px; height: 16px; background: var(--clay); }
.parcel-pin .base-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--clay); border: 2px solid #fff; box-shadow: 0 0 0 6px rgba(169,118,79,.25); animation: parcelPulse 2.4s var(--ease) infinite; }
@keyframes parcelPulse { 0%,100% { box-shadow: 0 0 0 5px rgba(169,118,79,.28); } 50% { box-shadow: 0 0 0 12px rgba(169,118,79,0); } }
.parcel-card {
  position: absolute; z-index: 5; left: 50%; top: calc(100% + 14px); transform: translateX(-50%) translateY(-6px);
  background: rgba(255,255,255,.98); border-radius: var(--radius-m); box-shadow: var(--shadow-l);
  padding: 1rem 1.15rem; width: 250px; opacity: 0; visibility: hidden; transition: opacity .3s, transform .3s var(--ease);
}
.parcel-pin.open .parcel-card { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.parcel-card h4 { font-size: .92rem; margin-bottom: .7rem; }
.parcel-mini { width: 100%; height: auto; background: var(--surface-alt); border-radius: 8px; padding: 8px; margin-bottom: .8rem; }
.parcel-card .prow { display: flex; justify-content: space-between; align-items: center; font-size: .85rem; padding: .35em 0; border-top: 1px solid var(--line); }
.parcel-card .prow:first-of-type { border-top: none; }
.parcel-card .prow .pk { color: var(--ink-soft); display: inline-flex; align-items: center; gap: .5em; }
.parcel-card .prow .pv { font-weight: 600; }
.parcel-card .sw { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.parcel-card .sw-one { background: #C79A76; }
.parcel-card .sw-next { background: #A9764F; }

/* Değer sürücü çipleri (görsel altı) */
.konum-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-top: 1.1rem; }
.konum-chip {
  display: inline-flex; align-items: center; gap: .5em; cursor: default;
  font-size: .82rem; font-weight: 500; color: var(--ink-soft);
  padding: .5em 1em; border-radius: 100px; background: var(--surface); border: 1px solid var(--line);
  transition: border-color .25s, color .25s, background .25s;
}
.konum-chip .cdot { width: 8px; height: 8px; border-radius: 50%; background: var(--clay); }
.konum-chip:hover { border-color: var(--clay); color: var(--ink); }
.konum-note { text-align: center; font-size: .78rem; color: var(--muted); margin-top: .6rem; }

@media (max-width: 620px) {
  .konum-stage { width: 100%; }
  .hotspot .hs-label { font-size: .7rem; }
  .parcel-pin .flag { font-size: .72rem; }
}

/* ---------- 16. Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"]{ transition-delay: .08s; }
.reveal[data-delay="2"]{ transition-delay: .16s; }
.reveal[data-delay="3"]{ transition-delay: .24s; }

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

/* ---------- 17. Responsive ---------- */
@media (max-width: 980px) {
  :root { --header-h: 84px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .project-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .project--flip .project-grid { direction: ltr; }
  .project__visual { order: -1; aspect-ratio: 16 / 10; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .panel { min-height: 0; padding-block: calc(var(--header-h) + 1.5rem) 4rem; }
  .hero.panel { min-height: 100vh; min-height: 100dvh; padding: 0; }
  .about-cols { grid-template-columns: 1fr; gap: 1.5rem; }
  .stat-band { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
}
@media (max-width: 620px) {
  .nav, .header-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 2rem;
    background: var(--bg); transform: translateX(100%); transition: transform .5s var(--ease); z-index: 205;
  }
  .nav a { font-size: 1.5rem; color: var(--ink); }
  body.nav-open .nav { transform: none; }
  body.nav-open { overflow: hidden; }
  .value-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .field.row2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .brand svg { height: 34px; }
  /* Mobil hero: metin altta, güçlü beyaz gradyan üstünde okunur */
  .hero.panel { align-items: flex-end; }
  .hero .container { padding-bottom: 4.25rem; }
  .hero-scrim { background: linear-gradient(to top, rgba(250,248,244,.98) 0%, rgba(250,248,244,.93) 24%, rgba(250,248,244,.62) 50%, rgba(250,248,244,.14) 100%); }
  .hero h1 { font-size: 3.6rem; margin-block: .8rem 1rem; }
  .hero-lead { font-size: 1rem; line-height: 1.5; max-width: 100%; color: var(--ink-soft); }
  .hero-actions { margin-top: 1.5rem; gap: .7rem; }
  .hero-chips { display: none; }
  .scroll-hint { display: none; }
  .about-stats > div { padding: 0 .85rem; }
  .about-stats .n { font-size: 1.7rem; }
  .konum-head p { font-size: .92rem; }
  .city-word { letter-spacing: .24em; text-indent: .24em; }
}