/* ============================================================
   Seven Willoughby — Interior Design Studio
   ============================================================ */

:root {
  --bg:        #f6f2ec;
  --bg-2:      #efe8de;
  --ink:       #1c1815;
  --ink-soft:  #4a423b;
  --muted:     #8a7f72;
  --accent:    #b0764f;
  --accent-deep:#8a5a38;
  --line:      rgba(28, 24, 21, 0.14);
  --card:      #fffdf9;
  --white:     #ffffff;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
  margin-bottom: 1rem;
}
.eyebrow--light { color: rgba(255, 255, 255, 0.85); }

.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section--alt { background: var(--bg-2); }

.section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 1.4rem + 3vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.section__intro {
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 44rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.7rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), padding 0.35s var(--ease);
  padding: 0.4rem 0;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: #fff;
  transition: color 0.35s var(--ease);
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  flex: none;
}
.brand__word {
  font-family: var(--font-display);
  font-size: 1.18rem;
  letter-spacing: 0.02em;
}

.nav { display: flex; align-items: center; gap: 2rem; }
.nav a {
  text-decoration: none;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  transition: color 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}
.nav a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  border: 1px solid rgba(255, 255, 255, 0.55);
  padding: 0.55rem 1.1rem;
  border-radius: 100px;
}
.nav__cta:hover { background: rgba(255, 255, 255, 0.14); }

/* scrolled state */
.site-header.is-scrolled {
  background: rgba(246, 242, 236, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header.is-scrolled .brand,
.site-header.is-scrolled .nav a { color: var(--ink); }
.site-header.is-scrolled .nav__cta { border-color: var(--line); }
.site-header.is-scrolled .nav__cta:hover { background: rgba(28,24,21,0.06); }
.site-header.is-scrolled .nav-toggle span { background: var(--ink); }

/* nav toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 72px 0 auto 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 1rem var(--gutter) 2rem;
  z-index: 99;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu a {
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.5rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}
.mobile-menu__phone { color: var(--accent-deep) !important; font-family: var(--font-sans) !important; font-size: 1rem !important; border-bottom: 0 !important; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(3rem, 8vh, 7rem);
  color: #fff;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -1; background: var(--ink); }
.hero__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 12s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) {
  .hero__img { animation: none; transform: none; }
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(20,17,14,0.78) 0%, rgba(20,17,14,0.22) 45%, rgba(20,17,14,0.32) 100%);
}
.hero__content { position: relative; max-width: 56rem; }
.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 1.5rem + 8vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.hero__lede {
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.4rem);
  max-width: 38rem;
  color: rgba(255,255,255,0.92);
  margin-bottom: 2.25rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 1.5rem;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 100px;
}
.hero__scroll span {
  position: absolute;
  left: 50%; top: 8px;
  width: 3px; height: 8px;
  margin-left: -1.5px;
  background: #fff;
  border-radius: 2px;
  animation: scrollDot 1.8s var(--ease) infinite;
}
@keyframes scrollDot { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translateY(14px); } 100% { opacity: 0; } }

/* ============================================================
   Statement
   ============================================================ */
.statement { padding: clamp(4rem, 8vw, 7rem) 0; }
.statement__text {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 1rem + 2.6vw, 2.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 54rem;
}
.statement__text em { color: var(--accent-deep); font-style: italic; }

/* ============================================================
   Work / gallery
   ============================================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 300px;
  gap: 1rem;
}
.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  margin: 0;
  background: var(--bg-2);
}
.gallery__item--tall { grid-row: span 2; }
.gallery__item--wide { grid-column: span 2; }
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.gallery__item:hover img { transform: scale(1.06); }
.gallery__item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.4rem 1.25rem 1.1rem;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.2rem;
  background: linear-gradient(to top, rgba(20,17,14,0.8), transparent);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.gallery__item figcaption span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.35rem;
}
.gallery__item:hover figcaption,
.gallery__item:focus-within figcaption { opacity: 1; transform: translateY(0); }

/* ============================================================
   Services
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.service {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.5rem 2rem 2.25rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.service:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(28,24,21,0.4); }
.service__num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--accent-deep);
  letter-spacing: 0.1em;
}
.service__icon {
  display: block;
  width: 44px; height: 44px;
  color: var(--accent-deep);
  margin: 1.25rem 0 1.5rem;
}
.service__icon svg { width: 100%; height: 100%; }
.service__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}
.service p { color: var(--ink-soft); }

/* ============================================================
   Process
   ============================================================ */
.steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  counter-reset: step;
}
.step { position: relative; padding-top: 2rem; border-top: 2px solid var(--ink); }
.step__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
  line-height: 1;
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}
.step p { color: var(--ink-soft); }

/* ============================================================
   About
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about__media { border-radius: var(--radius); overflow: hidden; }
.about__media img { width: 100%; aspect-ratio: 9 / 11; object-fit: cover; }
.about__prose { margin-top: 1.5rem; display: grid; gap: 1.1rem; color: var(--ink-soft); }
.about__prose p { font-size: 1.08rem; }
.about__sign {
  margin-top: 2rem;
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
}
.about__sign span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.6rem;
}

/* ============================================================
   Testimonial
   ============================================================ */
.testimonial { text-align: center; }
.quote { max-width: 56rem; margin-inline: auto; }
.quote__text {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.4rem, 1rem + 2.2vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.quote__by {
  margin-top: 2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.quote__by span { color: var(--muted); font-weight: 400; }

/* ============================================================
   Contact
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.contact__details { list-style: none; padding: 0; margin-top: 2.5rem; display: grid; gap: 1.5rem; }
.contact__details li { display: grid; gap: 0.25rem; }
.contact__details a { text-decoration: none; font-size: 1.15rem; transition: color 0.25s var(--ease); }
.contact__details a:hover { color: var(--accent-deep); }
.contact__label {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact__form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: grid;
  gap: 1.25rem;
}
.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.03em; }
.field input, .field textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(176,118,79,0.18);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: #b3402f; }
.contact__form .btn { justify-self: start; }
.form__status { font-size: 0.92rem; min-height: 1.2em; }
.form__status.is-ok { color: var(--accent-deep); }
.form__status.is-err { color: #b3402f; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--ink); color: #f6f2ec; padding-top: clamp(3rem, 6vw, 5rem); }
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer__brand .brand__mark { color: var(--bg); margin-bottom: 1rem; }
.footer__brand p { font-family: var(--font-display); font-size: 1.3rem; }
.footer__tag { font-family: var(--font-sans) !important; font-size: 0.92rem !important; color: rgba(246,242,236,0.66); margin-top: 0.4rem; max-width: 22rem; }
.footer__nav, .footer__social { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__nav a, .footer__social a {
  text-decoration: none;
  color: rgba(246,242,236,0.78);
  transition: color 0.25s var(--ease);
  width: fit-content;
}
.footer__nav a:hover, .footer__social a:hover { color: #fff; }
.footer__base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem var(--gutter);
  font-size: 0.85rem;
  color: rgba(246,242,236,0.6);
}
.footer__base a { text-decoration: none; color: inherit; }
.footer__base a:hover { color: #fff; }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll span { animation: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 240px; }
  .gallery__item--wide { grid-column: span 2; }
  .gallery__item--tall { grid-row: span 1; }
  .services__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; }
  .about__media { order: -1; max-width: 28rem; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .gallery__item--wide { grid-column: span 1; }
  .gallery__item figcaption { opacity: 1; transform: none; }
  .footer__inner { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .hero__actions { width: 100%; }
}