/* Hunter & Richards — Interior Design Melbourne */

@font-face {
  font-family: 'Interstate';
  src: url('/fonts/interstate-light.woff2') format('woff2'),
       url('/fonts/interstate-light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Interstate';
  src: url('/fonts/interstate-regular.woff2') format('woff2'),
       url('/fonts/interstate-regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Interstate';
  src: url('/fonts/interstate-regular-italic.woff2') format('woff2'),
       url('/fonts/interstate-regular-italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Interstate';
  src: url('/fonts/interstate-bold.woff2') format('woff2'),
       url('/fonts/interstate-bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Interstate Condensed';
  src: url('/fonts/interstate-light-condensed.woff2') format('woff2'),
       url('/fonts/interstate-light-condensed.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Interstate Condensed';
  src: url('/fonts/interstate-regular-condensed.woff2') format('woff2'),
       url('/fonts/interstate-regular-condensed.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Interstate Condensed';
  src: url('/fonts/interstate-bold-condensed.woff2') format('woff2'),
       url('/fonts/interstate-bold-condensed.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-ink: #1a1a2e;
  --color-paper: #ffffff;
  --color-mid: #666;
  --color-light: #f5f5f5;
  --color-border: #e0e0e0;
  --font-heading: 'Interstate', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Interstate', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1400px;
  --nav-height: 72px;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 400; text-transform: uppercase; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.3; }

p { max-width: 65ch; }

a { color: var(--color-ink); text-decoration: none; }

/* Nav */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid var(--color-border);
}

.nav-logo img { height: 28px; width: auto; }

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 0.5; }
.nav-links a.active { border-bottom: 1px solid var(--color-ink); }

.nav-hamburger {
  display: none;
  background: none; border: none; cursor: pointer; padding: 0.5rem;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px; background: var(--color-ink);
  transition: all 0.3s;
}
.nav-hamburger span + span { margin-top: 6px; }

/* Mobile nav */
@media (max-width: 768px) {
  .nav-hamburger { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0; bottom: 0;
    background: var(--color-paper);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a { font-size: 1.1rem; }
}

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}
.hero-image {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease-out;
}
.hero:hover .hero-image { transform: scale(1.03); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  padding: clamp(2rem, 5vw, 5rem);
  max-width: 700px;
}
.hero-content h1 { color: white; margin-bottom: 0.5rem; }
.hero-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 50ch;
}
.hero-scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 1;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Sections */
.section {
  padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-full {
  padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 4vw, 3rem);
}
.section-header {
  margin-bottom: 3rem;
}
.section-header p {
  margin-top: 1rem;
  color: var(--color-mid);
  font-size: 1.05rem;
}

/* Project grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}
@media (max-width: 500px) {
  .project-grid { grid-template-columns: 1fr; }
}

.project-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: pointer;
}
.project-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover img { transform: scale(1.05); }
.project-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}
.project-card:hover .project-card-overlay { opacity: 1; }
.project-card-overlay h3 {
  color: white;
  font-size: 1rem;
  letter-spacing: 0.1em;
}

/* Project page gallery */
.gallery-hero {
  margin-top: var(--nav-height);
  padding: 2rem clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}
.gallery-hero h1 { margin-bottom: 0.5rem; }
.gallery-back {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid);
  transition: color 0.2s;
}
.gallery-back:hover { color: var(--color-ink); }

.gallery-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem) 4rem;
  columns: 2;
  column-gap: 1rem;
}
@media (max-width: 768px) { .gallery-grid { columns: 1; } }
@media (min-width: 1200px) { .gallery-grid { columns: 3; } }

.gallery-grid img {
  width: 100%;
  margin-bottom: 1rem;
  break-inside: avoid;
  display: block;
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  color: white;
  font-size: 2rem;
  background: none; border: none;
  cursor: pointer;
  line-height: 1;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 2.5rem;
  background: none; border: none;
  cursor: pointer;
  padding: 1rem;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.lightbox-nav:hover { opacity: 1; }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}
.service-card h3 { margin-bottom: 1rem; font-size: 1rem; }
.service-card p { color: var(--color-mid); font-size: 0.95rem; }

.service-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}
@media (max-width: 768px) { .service-categories { grid-template-columns: 1fr; } }
.service-categories h4 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  color: var(--color-mid);
}
.service-categories ul {
  list-style: none;
  font-size: 0.9rem;
  line-height: 2;
}

/* About */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4rem;
  margin-top: 3rem;
}
.team-member img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  margin-bottom: 1.5rem;
  filter: grayscale(20%);
}
.team-member h3 { margin-bottom: 0.5rem; }
.team-member p { color: var(--color-mid); font-size: 0.95rem; }

.affiliations {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.affiliation { font-size: 0.85rem; color: var(--color-mid); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info h3 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-mid);
  margin-bottom: 0.5rem;
  margin-top: 2rem;
}
.contact-info h3:first-child { margin-top: 0; }
.contact-info p { font-size: 0.95rem; }

.contact-form label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-bottom: 0.4rem;
  margin-top: 1.5rem;
}
.contact-form label:first-child { margin-top: 0; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 1rem;
  background: transparent;
  transition: border-color 0.2s;
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--color-ink); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button {
  margin-top: 2rem;
  padding: 0.75rem 2.5rem;
  background: var(--color-ink);
  color: white;
  border: none;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s;
}
.contact-form button:hover { opacity: 0.8; }
.contact-form .form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
}
.contact-form .form-status.success { color: #2d8a4e; }
.contact-form .form-status.error { color: #c0392b; }

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem clamp(1.5rem, 4vw, 3rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-mid);
}
.footer-links { display: flex; gap: 2rem; list-style: none; }
.footer-links a {
  color: var(--color-mid);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-ink); }

.social-links { display: flex; gap: 1rem; }
.social-links a {
  color: var(--color-mid);
  transition: color 0.2s;
}
.social-links a:hover { color: var(--color-ink); }

/* Utilities */
.mt-top { margin-top: var(--nav-height); }
.text-center { text-align: center; }
.text-mid { color: var(--color-mid); }

/* Image lazy loading fade-in */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.4s;
}
img[loading="lazy"].loaded, img[loading="lazy"][complete] {
  opacity: 1;
}

/* Page transitions */
.page-content {
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}