/* =============================================================================
   First Choice Atelier — luxury interior design
   Palette: charcoal, cream, brass, sand, taupe
   Type: Cormorant Garamond (display) + Inter (UI/body)
============================================================================= */
:root {
  --charcoal: #1c1c1c;
  --ink: #2a2a28;
  --cream: #faf8f4;
  --cream-2: #f3efe8;
  --brass: #b08d57;
  --brass-light: #c8a877;
  --sand: #d9cfc0;
  --taupe: #b7a992;
  --line: #e6ded2;

  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;

  --wrap: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ------------------------------------------------------------- Typography */
h1, h2, h3 { font-family: var(--serif); font-weight: 500; color: var(--charcoal); line-height: 1.08; }

.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
}
.eyebrow--light { color: var(--brass-light); }

.section-title {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  margin-top: 0.7rem;
  letter-spacing: -0.01em;
}
.section-intro { margin-top: 1.1rem; max-width: 46ch; color: #6b665e; }

.lead { font-size: 1.12rem; color: var(--ink); }

/* -------------------------------------------------------------- Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.1rem;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.35s var(--ease);
}
.btn--primary { background: var(--charcoal); color: var(--cream); }
.btn--primary:hover { background: var(--brass); color: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--charcoal); border-color: #fff; }
.btn--block { width: 100%; }

/* -------------------------------------------------------------- Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }

.brand-logo { height: 46px; width: auto; transition: opacity 0.35s var(--ease); }
.brand-logo--dark { display: none; }

.nav { display: flex; align-items: center; gap: 2.1rem; }
.nav a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  transition: color 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--brass-light);
  transition: width 0.35s var(--ease);
}
.nav a:hover::after { width: 100%; }
.nav a:hover { color: #fff; }

.nav-cta {
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 0.55rem 1.3rem !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--brass); border-color: var(--brass); }

/* scrolled state */
.site-header.scrolled {
  background: var(--cream);
  padding: 0.85rem 0;
  box-shadow: 0 1px 0 var(--line);
}
.site-header.scrolled .brand-logo--light { display: none; }
.site-header.scrolled .brand-logo--dark { display: block; height: 40px; }
.site-header.scrolled .nav a { color: var(--ink); }
.site-header.scrolled .nav a:hover { color: var(--brass); }
.site-header.scrolled .nav-cta { color: var(--charcoal); border-color: var(--charcoal); }
.site-header.scrolled .nav-cta:hover { color: #fff; border-color: var(--brass); }
.site-header.scrolled .nav-toggle span { background: var(--charcoal); }

/* mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
  z-index: 120;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: #fff;
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease), background 0.3s;
}

/* --------------------------------------------------------------- Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: #fff;
}
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20, 18, 15, 0.78) 0%, rgba(20, 18, 15, 0.5) 45%, rgba(20, 18, 15, 0.25) 100%);
}
.hero-content { position: relative; padding-top: 6rem; max-width: 760px; }
.hero-title {
  color: #fff;
  font-size: clamp(2.9rem, 8vw, 6rem);
  margin-top: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.hero-sub {
  margin-top: 1.6rem;
  max-width: 40ch;
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 300;
}
.hero-actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-scroll {
  position: absolute;
  left: 50%; bottom: 30px;
  transform: translateX(-50%);
  width: 26px; height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
}
.hero-scroll span {
  position: absolute; left: 50%; top: 9px;
  width: 3px; height: 8px; border-radius: 3px;
  background: #fff; transform: translateX(-50%);
  animation: scrolldot 1.8s infinite;
}
@keyframes scrolldot { 0% { opacity: 0; top: 8px; } 40% { opacity: 1; } 80% { opacity: 0; top: 24px; } 100% { opacity: 0; } }

/* ------------------------------------------------------------- Marquee */
.marquee {
  background: var(--charcoal);
  color: var(--cream);
  overflow: hidden;
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 2.2rem;
  white-space: nowrap;
  animation: marquee 24s linear infinite;
}
.marquee-track span {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.marquee-track i { color: var(--brass); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ------------------------------------------------------------- Sections */
.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section--tint { background: var(--cream-2); }
.section-head { max-width: 640px; }

/* --------------------------------------------------------------- About */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.about-copy .lead { margin-top: 1.6rem; }
.about-copy p + p { margin-top: 1.1rem; color: #6b665e; }
.about-stats {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}
.about-stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--brass);
}
.about-stats span { font-size: 0.82rem; letter-spacing: 0.04em; color: #7a746b; }

.about-media { position: relative; }
.about-media img { width: 100%; height: 100%; max-height: 620px; object-fit: cover; }
.about-media-frame {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--brass);
  z-index: -1;
}

/* ------------------------------------------------------------ Services */
.design-grid {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
}
.design-card {
  position: relative;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  color: #fff;
}
.design-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.design-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15, 13, 11, 0.82) 0%, rgba(15, 13, 11, 0.15) 60%, rgba(15, 13, 11, 0.05) 100%);
}
.design-card:hover img { transform: scale(1.05); }
.design-card-body { position: relative; padding: 2rem; z-index: 1; }
.design-card-body .eyebrow { color: var(--brass-light); }
.design-card-body h3 { color: #fff; font-size: 2rem; margin: 0.4rem 0 1rem; }

.tag-list { list-style: none; display: flex; flex-wrap: wrap; gap: 0.55rem; }
.tag-list li {
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 30px;
  backdrop-filter: blur(2px);
}

.offer-head { margin-top: 4rem; }
.offer-grid {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.offer-card {
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 2.2rem 2rem 2.4rem;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.section--tint .offer-card { background: #fff; }
.offer-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 45px -30px rgba(28, 24, 18, 0.5);
  border-color: var(--sand);
}
.offer-num {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--brass);
}
.offer-card h3 { font-size: 1.5rem; margin: 0.6rem 0 0.7rem; }
.offer-card p { font-size: 0.95rem; color: #6b665e; }

.capabilities {
  list-style: none;
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem 1.1rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--line);
}
.capabilities li {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--sand);
  border-radius: 30px;
}

/* ------------------------------------------------------------- Process */
.process-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.process-intro p { margin-top: 1.1rem; color: #6b665e; max-width: 38ch; }
.process-image {
  margin-top: 2.4rem;
  width: 100%;
  max-height: 460px;
  object-fit: cover;
}
.steps { list-style: none; }
.steps li {
  display: flex;
  gap: 1.6rem;
  padding: 1.7rem 0;
  border-top: 1px solid var(--line);
}
.steps li:last-child { border-bottom: 1px solid var(--line); }
.step-num {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--brass);
  line-height: 1;
  min-width: 2.4rem;
}
.steps h3 { font-size: 1.5rem; }
.steps p { margin-top: 0.35rem; color: #6b665e; font-size: 0.98rem; }

/* ----------------------------------------------------------- Why choose */
.why { background: var(--charcoal); color: rgba(255, 255, 255, 0.82); }
.why .section-title { color: #fff; }
.why-grid {
  margin-top: 3.4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.6rem 3rem;
}
.why-num {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--brass-light);
  display: block;
  padding-bottom: 0.9rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.why-item h3 { color: #fff; font-size: 1.4rem; }
.why-item p { margin-top: 0.5rem; font-size: 0.95rem; color: rgba(255, 255, 255, 0.6); }

/* ------------------------------------------------------------- Gallery */
.gallery {
  margin-top: 3.2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 240px;
  gap: 1.2rem;
}
.gallery figure { overflow: hidden; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.gallery figure:hover img { transform: scale(1.06); }
.gallery .g-tall { grid-row: span 2; }

/* ------------------------------------------------------------- Contact */
.contact { background: var(--charcoal); color: rgba(255, 255, 255, 0.85); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
.contact .section-title { color: #fff; }
.contact-lead { margin-top: 1.3rem; max-width: 42ch; color: rgba(255, 255, 255, 0.68); }

.contact-details { list-style: none; margin-top: 2.6rem; }
.contact-details li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.contact-details li:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.c-label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-light);
  padding-top: 3px;
}
.contact-details a:hover { color: var(--brass-light); }

/* form */
.contact-form { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.1); padding: 2.4rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field { margin-bottom: 1.3rem; }
.field .opt { text-transform: none; letter-spacing: 0; color: rgba(255, 255, 255, 0.4); }
#formSubmit:disabled { opacity: 0.6; cursor: default; pointer-events: none; }
.field label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.55rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition: border-color 0.3s var(--ease);
}
.field textarea { resize: vertical; }
.field select option { color: #1c1c1c; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--brass-light); }
.field input:invalid:not(:placeholder-shown) { border-color: #b5645a; }

.form-note { margin-top: 1rem; font-size: 0.85rem; min-height: 1.2em; }
.form-note.ok { color: var(--brass-light); }
.form-note.err { color: #e0928a; }

/* -------------------------------------------------------------- Footer */
.site-footer { background: #141210; color: rgba(255, 255, 255, 0.65); padding: 4rem 0 1.8rem; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo { height: 54px; width: auto; margin-bottom: 1rem; }
.footer-brand p { font-family: var(--serif); font-size: 1.15rem; color: rgba(255, 255, 255, 0.8); }
.footer-nav { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-nav a { font-size: 0.85rem; letter-spacing: 0.08em; }
.footer-nav a:hover { color: var(--brass-light); }
.footer-contact { display: flex; flex-direction: column; gap: 0.7rem; font-size: 0.88rem; }
.footer-contact a:hover { color: var(--brass-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.footer-bottom a:hover { color: var(--brass-light); }

/* ---------------------------------------------------------- Reveal anim */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .hero-scroll span { animation: none; }
  html { scroll-behavior: auto; }
}

/* ------------------------------------------------------------ Responsive */
@media (max-width: 960px) {
  .about-grid, .process-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; }
  .about-media-frame { display: none; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .offer-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.8rem;
    padding: 2.5rem;
    background: var(--charcoal);
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    box-shadow: -20px 0 60px -30px rgba(0, 0, 0, 0.7);
  }
  .nav.open { transform: translateX(0); }
  .nav a { color: rgba(255, 255, 255, 0.88); font-size: 0.95rem; }
  .site-header.scrolled .nav a { color: rgba(255, 255, 255, 0.88); }
  .nav-cta { border-color: rgba(255, 255, 255, 0.4) !important; }
  body.menu-open { overflow: hidden; }
  .nav-toggle.active span { background: #fff; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .design-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 190px; }
  .footer-inner { grid-template-columns: 1fr; }
  .contact-details li { grid-template-columns: 1fr; gap: 0.3rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .hero-content { padding-top: 7rem; }
}

@media (max-width: 460px) {
  .container { padding: 0 20px; }
  .hero-actions .btn { flex: 1; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .gallery .g-tall { grid-row: span 1; }
}