/* ============================================
   Mavideniz Perde — stylesheet
   ============================================ */

:root {
  --black: #0b0b0c;
  --black-soft: #16171b;
  --white: #f6f4ef;
  --white-dim: #e7e3d9;
  --navy: #16223c;
  --navy-light: #2b3c60;

  --ink: var(--black);
  --paper: var(--white);

  --line: rgba(11, 11, 12, 0.14);
  --line-strong: rgba(11, 11, 12, 0.28);
  --line-on-dark: rgba(246, 244, 239, 0.2);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --gutter: clamp(1.5rem, 4vw, 4rem);
  --section-pad: clamp(4.5rem, 10vw, 9rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }
a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

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

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 1.25rem;
}
.eyebrow--light { color: var(--white-dim); }

/* ---------- grain overlay ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ================= NAV ================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter);
  transition: background-color 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: rgba(246, 244, 239, 0.9);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
  padding: 0.9rem var(--gutter);
}

.nav__mark {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  line-height: 1.1;
}
.nav__mark-main {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}
.nav__mark-sub {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--navy);
  margin-top: 0.2rem;
}

.nav__links {
  display: flex;
  gap: 2.4rem;
}
.nav__links a {
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}
.nav__links a:hover::after { width: 100%; }

.nav__cta {
  border: 1px solid var(--ink);
  padding: 0.6rem 1.3rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
  white-space: nowrap;
}
.nav__cta:hover { background: var(--ink); color: var(--paper); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none;
  border: none;
  padding: 0;
}
.nav__toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  width: 100%;
}

/* ================= BUTTONS ================= */
.btn {
  display: inline-block;
  padding: 0.95rem 1.9rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid currentColor;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn--dark {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn--dark:hover { background: transparent; color: var(--ink); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--ink); }

.btn--light {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn--light:hover { background: transparent; color: var(--white); }

.text-link {
  display: inline-block;
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: border-color 0.3s var(--ease);
}
.text-link:hover { border-color: var(--ink); }

/* ================= REVEAL ================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================= HERO ================= */
.hero {
  position: relative;
  height: 100svh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
  padding: 8rem var(--gutter) 4rem;
}

.hero__text { max-width: 640px; }

.hero__title {
  font-size: clamp(2.6rem, 5.6vw, 4.6rem);
  margin-bottom: 1.4rem;
}

.hero__lede {
  font-size: 1.05rem;
  color: #3a3a3d;
  max-width: 480px;
  margin-bottom: 2.2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__visual {
  position: relative;
  align-self: stretch;
  overflow: hidden;
  background: var(--black);
}
.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scroll-hint {
  position: fixed;
  bottom: 2rem;
  left: var(--gutter);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6a6a6c;
  opacity: 1;
  transition: opacity 0.4s var(--ease);
}
.scroll-hint.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.scroll-hint span {
  width: 1px;
  height: 28px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.scroll-hint span::after {
  content: "";
  position: absolute;
  top: -100%; left: 0;
  width: 100%; height: 100%;
  background: var(--ink);
  animation: hint-fall 2.2s ease-in-out infinite;
}
@keyframes hint-fall {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* ================= SECTION HEAD ================= */
.section-head h1,
.section-head h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
}

/* ================= BRAND ================= */
.brand {
  padding: var(--section-pad) var(--gutter);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem 4rem;
  border-top: 1px solid var(--line);
}
.brand__body { align-self: start; }
.brand__lede {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.4;
}
.brand__body p:not(.brand__lede) {
  color: #45454a;
  max-width: 46ch;
}
.brand__body strong {
  font-weight: 600;
  color: var(--ink);
}
.brand__body .mark {
  text-decoration: underline;
  text-decoration-color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.brand__values {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}
.value__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 1rem;
}
.value h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}
.value p {
  color: #55555a;
  font-size: 0.92rem;
  max-width: 32ch;
}

/* ================= COLLECTIONS ================= */
.collections {
  padding: var(--section-pad) var(--gutter);
  border-top: 1px solid var(--line);
}

.collections__grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}

.collection-card {
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.collection-card:last-child { border-right: none; }

.collection-card__art {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--black);
}
.collection-card__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.01);
  transition: transform 0.9s var(--ease);
}
.collection-card__art img.pos-bottom {
  object-position: center bottom;
}
.collection-card:hover .collection-card__art img {
  transform: scale(1.06);
}

.collection-card__body {
  padding: 2.2rem 2rem 2.4rem;
  border-top: 1px solid var(--line);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.collection-card__body h3 {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}
.collection-card__body p {
  color: #4c4c50;
  font-size: 0.92rem;
  flex: 1;
}

/* ================= ARCHITECTS ================= */
.architects {
  background: var(--black);
  color: var(--white);
  padding: var(--section-pad) var(--gutter);
}
.architects__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem 5rem;
}
.architects h2 { color: var(--white); }
.architects__lede {
  color: rgba(246, 244, 239, 0.65);
  max-width: 42ch;
  margin: 1.4rem 0 2rem;
  font-size: 1rem;
}

.architects__list {
  display: grid;
  gap: 2.1rem;
  align-content: start;
  padding-top: 0.4rem;
}
.architects__list li {
  padding-bottom: 2.1rem;
  border-bottom: 1px solid var(--line-on-dark);
}
.architects__list li:last-child { border-bottom: none; padding-bottom: 0; }
.architects__list h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--white);
}
.architects__list p {
  color: rgba(246, 244, 239, 0.6);
  font-size: 0.9rem;
  max-width: 46ch;
}

/* ================= APPOINTMENT PAGE ================= */
.appointment-page {
  padding: 9rem var(--gutter) var(--section-pad);
}
.appointment__lede {
  margin-top: 1.4rem;
  max-width: 52ch;
  color: #45454a;
  font-size: 1.02rem;
}
.appointment__layout {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
}
.contact__form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

/* ================= CONTACT ================= */
.contact {
  padding: var(--section-pad) var(--gutter);
  border-top: 1px solid var(--line);
}
.contact__grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}

.contact__info { display: grid; gap: 1.9rem; align-content: start; }
.info-block__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.4rem;
}
.info-block p { margin: 0; font-size: 1rem; }
.info-block a { text-decoration: none; border-bottom: 1px solid var(--line-strong); }

.contact__form {
  display: grid;
  gap: 1.6rem;
}
.contact__form label {
  display: grid;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #55555a;
}
.contact__form input,
.contact__form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7rem 0;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  resize: vertical;
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-bottom-color: var(--ink);
}
.contact__form button { justify-self: start; margin-top: 0.5rem; border: none; }
.contact__form button:disabled { opacity: 0.6; cursor: default; }

.form-status {
  font-size: 0.85rem;
  margin: 0;
  min-height: 1.2em;
}
.form-status--ok { color: var(--navy); }
.form-status--error { color: #a33; }

/* ================= FOOTER ================= */
.site-footer {
  background: var(--black);
  color: var(--white-dim);
  text-align: center;
  padding: 3.5rem var(--gutter) 2.5rem;
}
.site-footer__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  margin-bottom: 1.6rem;
}
.site-footer__mark-main {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: var(--white);
}
.site-footer__mark-sub {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: rgba(246, 244, 239, 0.55);
  margin-top: 0.4rem;
}
.site-footer__social {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  margin-bottom: 2rem;
}
.site-footer__social a {
  text-decoration: none;
  font-size: 0.78rem;
  color: rgba(246, 244, 239, 0.75);
  border-bottom: 1px solid rgba(246, 244, 239, 0.25);
}
.site-footer__copy {
  font-size: 0.72rem;
  color: rgba(246, 244, 239, 0.35);
  margin: 0;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 3.5rem; padding-top: 9rem; height: auto; min-height: 100svh; overflow: visible; }
  .hero__visual { order: -1; align-self: auto; aspect-ratio: 3 / 4; max-width: 260px; margin: 0 auto; }
  .brand { grid-template-columns: 1fr; }
  .brand__values { grid-template-columns: 1fr 1fr; }
  .collections__grid { grid-template-columns: 1fr; }
  .collection-card { border-right: none; border-bottom: 1px solid var(--line); }
  .collection-card:last-child { border-bottom: none; }
  .architects__inner { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .appointment__layout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .contact__form-row { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav { padding: 1.1rem var(--gutter); }
  .nav--scrolled { padding: 0.8rem var(--gutter); }
  .nav__mark-sub { display: none; }
  .nav__links { display: none; }
  .nav__cta { padding: 0.5rem 0.8rem; font-size: 0.68rem; }
  .nav__toggle { display: flex; flex-shrink: 0; }

  .nav__links {
    position: fixed;
    top: 0; right: 0;
    height: 100svh;
    width: min(78vw, 340px);
    background: var(--black);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 3rem;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    z-index: 90;
  }
  .nav__links.is-open { display: flex; transform: translateX(0); }
  .nav__links a { color: var(--white); font-size: 1.1rem; }

  .brand__values { grid-template-columns: 1fr; }
  .hero { padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero__title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .scroll-hint { display: none; }
}