/* ════════════════════════════════════════════════
   RinovARCH — İletişim (mimari blueprint dili)
   ════════════════════════════════════════════════ */
:root {
  --bg: #050506;
  --bg2: #0b0a09;
  --fg: #f2f0ea;
  --dim: #8c8a84;
  --faint: #54534f;
  --accent: #d8602e;
  --line: rgba(242, 240, 234, 0.16);
  --ff-display: "Fraunces", Georgia, serif;
  --ff-sans: "Space Grotesk", system-ui, sans-serif;
  --ff-mono: "Space Mono", ui-monospace, monospace;
  --pad: clamp(1rem, 4vw, 4rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
html { scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--ff-sans); font-weight: 300; line-height: 1.5;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
em, .italic { font-family: var(--ff-display); font-style: italic; font-weight: 400; }
::selection { background: var(--accent); color: #fff; }

.eyebrow {
  font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--accent);
}
.ln { display: block; overflow: hidden; }
.ln > span { display: block; will-change: transform; }

/* ════════ Curtain (sayfa geçişi) ════════ */
.curtain {
  position: fixed; inset: 0; z-index: 200; background: var(--bg);
  transform: translateY(-100%); pointer-events: none;
  transition: transform 0.7s cubic-bezier(0.76, 0, 0.24, 1);
}
.curtain.is-cover { transform: translateY(0); }

/* ════════ Nav ════════ */
.anav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem, 2vw, 1.7rem) var(--pad); mix-blend-mode: difference;
  padding-top: max(clamp(1rem, 2vw, 1.7rem), env(safe-area-inset-top));
  padding-left: max(var(--pad), env(safe-area-inset-left));
  padding-right: max(var(--pad), env(safe-area-inset-right));
}
.anav__logo { display: flex; align-items: center; gap: 0.55rem;
  font-family: var(--ff-display); font-size: 1.05rem; letter-spacing: 0.06em; }
.anav__logo svg { width: 20px; height: 24px; fill: var(--fg); }
.anav__links { display: flex; align-items: center; gap: clamp(0.9rem, 2.4vw, 1.8rem); }
.anav__link {
  font-family: var(--ff-mono); font-size: 0.74rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dim); transition: color 0.3s var(--ease);
}
.anav__link:hover { color: var(--fg); }
.anav__back {
  font-family: var(--ff-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--line); border-radius: 100px; padding: 0.55rem 1.1rem;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.anav__back:hover { background: var(--fg); color: var(--bg); }

/* ════════ Hero ════════ */
.chero {
  position: relative; min-height: 100svh; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: clamp(6rem, 16vh, 10rem) var(--pad) clamp(4rem, 10vh, 7rem);
}
/* draftsman ızgarası — kenarlardan silinerek merkeze toplanır */
.chero__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(242, 240, 234, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 240, 234, 0.04) 1px, transparent 1px);
  background-size: clamp(46px, 7vw, 92px) clamp(46px, 7vw, 92px);
  -webkit-mask: radial-gradient(circle at 50% 46%, #000 26%, transparent 76%);
          mask: radial-gradient(circle at 50% 46%, #000 26%, transparent 76%);
}
/* çizilen kemer (stüdyo markası) */
.chero__arch {
  position: absolute; left: 50%; top: 47%; transform: translate(-50%, -50%);
  width: min(56vmin, 500px); height: auto; opacity: 0.8;
}
.chero__arch path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.arch-guide { stroke: rgba(242, 240, 234, 0.07); stroke-width: 0.4; }
.arch-ink   { stroke: rgba(216, 96, 46, 0.5); stroke-width: 0.5; }
.chero__glow {
  position: absolute; left: 50%; top: 47%; transform: translate(-50%, -50%);
  width: 88vmin; height: 88vmin; pointer-events: none;
  background: radial-gradient(circle, rgba(216, 96, 46, 0.12), rgba(5, 5, 6, 0) 60%);
}
.chero__content { position: relative; z-index: 2; max-width: 88rem; }
.chero__kicker { display: inline-block; margin-bottom: 1.5rem; }
.chero__title {
  font-family: var(--ff-display); font-weight: 300;
  font-size: clamp(2.4rem, 8.5vw, 8rem); line-height: 0.96; letter-spacing: -0.02em;
  text-wrap: balance;
}
.chero__sub {
  margin: 1.8rem auto 0; max-width: 46ch;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.65; color: #c7c2b6;
}
.chero__cue {
  position: absolute; left: 50%; bottom: 1.8rem; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
  font-family: var(--ff-mono); font-size: 0.64rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim);
}
.chero__cue i { width: 1px; height: 42px; background: var(--line); position: relative; overflow: hidden; }
.chero__cue i::after { content: ""; position: absolute; inset: 0; background: var(--accent);
  animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

/* ════════ Koordinatlar ════════ */
.coords { padding: clamp(5rem, 13vh, 10rem) var(--pad); background: var(--bg2); }
.coords__mail {
  display: block; margin: 1.4rem 0 clamp(3rem, 7vh, 5rem);
  font-family: var(--ff-display); font-weight: 300; letter-spacing: -0.02em;
  font-size: clamp(2rem, 7vw, 5.2rem); line-height: 1; word-break: break-word;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 1px; background-position: 0 100%; background-repeat: no-repeat;
  transition: background-size 0.5s var(--ease), color 0.4s var(--ease);
}
.coords__mail:hover { color: var(--accent); background-size: 100% 1px; }
.coords__grid {
  list-style: none; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  border-top: 1px solid var(--line); padding-top: clamp(2.2rem, 5vh, 3.5rem);
}
.coords__label {
  display: block; font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.7rem;
}
.coords__val {
  font-family: var(--ff-display); font-weight: 300; font-size: clamp(1.3rem, 2.4vw, 2rem);
  line-height: 1.15; color: var(--fg);
}
.coords__val i { font-style: normal; font-family: var(--ff-mono); font-size: 0.8rem; color: var(--dim); }
a.coords__val { transition: color 0.3s var(--ease); }
a.coords__val:hover { color: var(--accent); }
.coords__social {
  margin-top: clamp(2.5rem, 6vh, 4rem); display: flex; flex-wrap: wrap; gap: clamp(1rem, 3vw, 2.4rem);
  font-family: var(--ff-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim);
}
.coords__social a { transition: color 0.3s var(--ease); }
.coords__social a:hover { color: var(--fg); }

/* ════════ Brief / form ════════ */
.brief {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start; padding: clamp(5rem, 13vh, 10rem) var(--pad); background: var(--bg);
}
.brief__intro { position: sticky; top: clamp(5rem, 14vh, 9rem); }
.brief__title {
  font-family: var(--ff-display); font-weight: 300; margin: 1rem 0 1.6rem;
  font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 0.98; letter-spacing: -0.02em;
}
.brief__note { max-width: 40ch; font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.7; color: #c7c2b6; }

.form { display: flex; flex-direction: column; gap: clamp(2.2rem, 5vh, 3.2rem); }
.field { position: relative; }
.field input, .field textarea {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line);
  color: var(--fg); font-family: var(--ff-display); font-weight: 300; line-height: 1.3;
  font-size: clamp(1.25rem, 2.4vw, 1.9rem); padding: 0.55em 0 0.4em; outline: none;
  transition: border-color 0.4s var(--ease);
}
.field textarea { resize: vertical; min-height: 3.2em; }
.field label {
  position: absolute; left: 0; top: 0.55em; pointer-events: none;
  font-family: var(--ff-mono); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dim); transition: top 0.35s var(--ease), font-size 0.35s var(--ease), color 0.35s var(--ease);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: -1.05em; font-size: 0.66rem; color: var(--accent);
}
.field__line {
  position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left center;
  transition: transform 0.5s var(--ease);
}
.field input:focus ~ .field__line,
.field textarea:focus ~ .field__line { transform: scaleX(1); }
.field__err {
  display: block; min-height: 1.1em; margin-top: 0.5rem;
  font-family: var(--ff-mono); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--accent); opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.field--err input, .field--err textarea { border-bottom-color: var(--accent); }
.field--err .field__err { opacity: 1; }
/* autofill — koyu temada beyaz kutuyu engelle */
.field input:-webkit-autofill,
.field input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--fg);
  transition: background-color 9999s ease-in-out 0s;
}

.ptype { border: 0; }
.ptype legend {
  font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.chips input { position: absolute; opacity: 0; width: 0; height: 0; }
.chips label {
  cursor: pointer; user-select: none;
  font-family: var(--ff-mono); font-size: 0.82rem; letter-spacing: 0.06em;
  border: 1px solid var(--line); border-radius: 100px; padding: 0.6rem 1.2rem; color: var(--dim);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}
.chips label:hover { border-color: var(--fg); color: var(--fg); }
.chips input:checked + label { background: var(--accent); border-color: var(--accent); color: #fff; }
.chips input:focus-visible + label { outline: 2px solid var(--fg); outline-offset: 3px; }

.form__foot { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2rem); flex-wrap: wrap; }
.btn {
  font-family: var(--ff-mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--fg); border-radius: 100px; padding: 0.9rem 1.7rem; cursor: pointer;
  background: transparent; color: var(--fg);
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn:hover { background: var(--fg); color: var(--bg); }
.btn--ghost { border-color: var(--line); color: var(--dim); }
.btn--ghost:hover { background: transparent; border-color: var(--fg); color: var(--fg); }
.btn--send span { display: inline-block; transition: transform 0.4s var(--ease); }
.btn--send:hover span { transform: translateX(4px); }
.form__status {
  font-family: var(--ff-mono); font-size: 0.74rem; letter-spacing: 0.04em; line-height: 1.5;
  color: var(--accent); max-width: 34ch; outline: none;
}
.form.is-sent .btn--send { background: var(--accent); border-color: var(--accent); color: #fff; }

.afooter {
  padding: 1.8rem var(--pad); border-top: 1px solid var(--line);
  font-family: var(--ff-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim);
  text-align: center;
}

/* ════════ Responsive ════════ */
@media (max-width: 920px) {
  .brief { grid-template-columns: 1fr; gap: clamp(2.5rem, 8vh, 4rem); }
  .brief__intro { position: static; }
  .coords__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .coords__grid { grid-template-columns: 1fr; }
  .anav__link { display: none; }
}

/* ════════ Reduced motion ════════ */
@media (prefers-reduced-motion: reduce) {
  .chero__cue i::after { animation: none; }
  .arch-ink { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
}