/* ============================================
   ATELIER AUREA — Section Styles
   ============================================
   Emotion: Walking into a beautifully designed
   Scandinavian luxury home. Everything slows down.
   Everything breathes. Nothing screams.
   ============================================ */

/* ========== NAVBAR ========== */
.nav { position: fixed; top: 0; left: 0; right: 0; height: var(--au-nav-height); display: flex; align-items: center; z-index: 100; background: rgba(248,245,240,0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--au-border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-family: var(--au-serif); font-size: var(--au-text-xl); color: var(--au-text); font-style: italic; letter-spacing: -0.02em; }
.nav__logo:hover { color: var(--au-accent); }
.nav__links { display: flex; gap: var(--au-8); }
.nav__link { font-size: var(--au-text-sm); color: var(--au-text-muted); letter-spacing: 0.05em; position: relative; }
.nav__link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background: var(--au-accent); transition: width var(--au-fast) var(--au-ease); }
.nav__link:hover { color: var(--au-text); }
.nav__link:hover::after { width: 100%; }
.nav__cta { font-size: var(--au-text-xs); letter-spacing: 0.1em; text-transform: uppercase; }
.nav__toggle { display: none; flex-direction: column; gap: 5px; width: 24px; cursor: pointer; }
.nav__toggle span { display: block; width: 100%; height: 1px; background: var(--au-text); transition: all var(--au-fast) var(--au-ease); }
.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px,4px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px,-4px); }

.mobile-nav { display: none; position: fixed; inset: 0; background: rgba(248,245,240,0.97); backdrop-filter: blur(24px); z-index: 99; flex-direction: column; align-items: center; justify-content: center; gap: var(--au-8); opacity: 0; pointer-events: none; transition: opacity var(--au-fast) var(--au-ease); }
.mobile-nav.open { opacity: 1; pointer-events: auto; }
.mobile-nav a { font-family: var(--au-serif); font-size: var(--au-text-3xl); color: var(--au-text-muted); }
.mobile-nav a:hover { color: var(--au-text); }

/* ========== HERO ========== */
.hero { min-height: 100vh; display: flex; align-items: flex-end; padding: 0; position: relative; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg-inner {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #d4c8b0 0%, #c4b8a0 30%, #b5a890 60%, #a09080 100%);
  /* This gradient simulates warm architectural photography */
}
.hero__bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(248,245,240,0.95) 0%, rgba(248,245,240,0.3) 40%, transparent 70%);
}
.hero__content { position: relative; z-index: 2; padding: var(--au-32) 0 var(--au-20); }
.hero__title {
  font-family: var(--au-serif); font-style: italic;
  font-size: clamp(var(--au-text-5xl), 7vw, var(--au-text-8xl));
  line-height: 1.05; color: var(--au-text); letter-spacing: -0.03em;
  max-width: 900px;
}
.hero__sub {
  font-size: var(--au-text-lg); color: var(--au-text-muted);
  line-height: 1.7; margin-top: var(--au-6); max-width: 540px;
}
.hero__ctas { display: flex; gap: var(--au-4); margin-top: var(--au-8); }
.hero__scroll { position: absolute; bottom: var(--au-8); left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: var(--au-2); }
.hero__scroll-text { font-size: var(--au-text-xs); color: var(--au-text-faint); letter-spacing: 0.15em; text-transform: uppercase; }
.hero__scroll-line { width: 1px; height: 40px; background: var(--au-text-faint); animation: scroll-pulse 2s ease-in-out infinite; }
@keyframes scroll-pulse { 0%,100% { opacity: 0.3; transform: scaleY(0.6); } 50% { opacity: 1; transform: scaleY(1); } }

/* ========== PROJECTS ========== */
.projects { background: var(--au-bg); }
.projects__header { margin-bottom: var(--au-20); }
.projects__grid { display: flex; flex-direction: column; gap: var(--au-24); }

.project-card { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--au-12); align-items: center; }
.project-card:nth-child(even) { grid-template-columns: 0.8fr 1.2fr; }
.project-card:nth-child(even) .project-card__image { order: 2; }
.project-card:nth-child(even) .project-card__info { order: 1; }

.project-card__image {
  aspect-ratio: 4/3; border-radius: var(--au-radius-lg); overflow: hidden;
  border: 1px solid var(--au-border); cursor: pointer; position: relative;
}
.project-card__image-inner {
  width: 100%; height: 100%; transition: transform var(--au-duration) var(--au-ease);
}
.project-card__image:hover .project-card__image-inner { transform: scale(1.03); }

.project-card__info { display: flex; flex-direction: column; gap: var(--au-4); }
.project-card__meta { display: flex; gap: var(--au-6); font-size: var(--au-text-xs); color: var(--au-text-light); letter-spacing: 0.1em; text-transform: uppercase; }
.project-card__name { font-family: var(--au-serif); font-size: clamp(var(--au-text-3xl), 3vw, var(--au-text-5xl)); color: var(--au-text); line-height: 1.15; letter-spacing: -0.02em; }
.project-card__desc { font-size: var(--au-text-base); color: var(--au-text-muted); line-height: 1.7; }

/* ========== ABOUT / PHILOSOPHY ========== */
.philosophy { background: var(--au-surface); border-top: 1px solid var(--au-border); border-bottom: 1px solid var(--au-border); }
.philosophy__inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--au-16); align-items: start; }
.philosophy__heading { font-family: var(--au-serif); font-size: clamp(var(--au-text-4xl), 4.5vw, var(--au-text-6xl)); color: var(--au-text); line-height: 1.1; letter-spacing: -0.02em; font-style: italic; }
.philosophy__text { font-size: var(--au-text-lg); color: var(--au-text-muted); line-height: 1.8; }
.philosophy__text + .philosophy__text { margin-top: var(--au-6); }

/* ========== SERVICES ========== */
.services { background: var(--au-bg); }
.services__header { margin-bottom: var(--au-16); }
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--au-border); border: 1px solid var(--au-border); }
.service-item { background: var(--au-bg); padding: var(--au-10); display: flex; flex-direction: column; gap: var(--au-4); transition: background var(--au-fast) var(--au-ease); }
.service-item:hover { background: var(--au-surface); }
.service-item__icon { width: 36px; height: 36px; color: var(--au-accent); }
.service-item__title { font-family: var(--au-serif); font-size: var(--au-text-xl); color: var(--au-text); }
.service-item__desc { font-size: var(--au-text-sm); color: var(--au-text-light); line-height: 1.7; }

/* ========== PROCESS ========== */
.process { background: var(--au-surface); border-top: 1px solid var(--au-border); border-bottom: 1px solid var(--au-border); }
.process__header { text-align: center; margin-bottom: var(--au-16); }
.process__steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--au-8); }
.process__step { display: flex; flex-direction: column; gap: var(--au-3); text-align: center; padding: var(--au-8) var(--au-4); }
.process__step-number { font-family: var(--au-serif); font-size: var(--au-text-4xl); color: var(--au-accent); font-style: italic; line-height: 1; }
.process__step-title { font-family: var(--au-serif); font-size: var(--au-text-lg); color: var(--au-text); }
.process__step-desc { font-size: var(--au-text-sm); color: var(--au-text-light); line-height: 1.7; margin: 0 auto; }
.process__step-line { width: 1px; height: 32px; background: var(--au-border); margin: 0 auto; }

/* ========== GALLERY ========== */
.gallery { background: var(--au-bg); }
.gallery__header { margin-bottom: var(--au-12); }
.gallery__grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--au-4);
}
.gallery__item {
  aspect-ratio: 4/3; border-radius: var(--au-radius-md); overflow: hidden;
  border: 1px solid var(--au-border); position: relative; cursor: pointer;
}
.gallery__item--tall { grid-row: span 2; aspect-ratio: auto; }
.gallery__item-inner {
  width: 100%; height: 100%; transition: transform var(--au-duration) var(--au-ease);
}
.gallery__item:hover .gallery__item-inner { transform: scale(1.04); }
.gallery__item-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(42,37,32,0.7) 0%, transparent 50%);
  opacity: 0; transition: opacity var(--au-fast) var(--au-ease);
  display: flex; flex-direction: column; justify-content: flex-end; padding: var(--au-4);
}
.gallery__item:hover .gallery__item-overlay { opacity: 1; }
.gallery__item-label { font-size: var(--au-text-sm); color: #fff; font-weight: 500; }
.gallery__item-type { font-size: var(--au-text-xs); color: rgba(255,255,255,0.7); margin-top: var(--au-1); }

/* ========== TESTIMONIALS ========== */
.testimonials { background: var(--au-surface); border-top: 1px solid var(--au-border); border-bottom: 1px solid var(--au-border); }
.testimonials__header { text-align: center; margin-bottom: var(--au-16); }
.testimonials__grid { display: flex; flex-direction: column; gap: var(--au-12); max-width: 800px; margin: 0 auto; }
.testimonial { text-align: center; }
.testimonial__quote {
  font-family: var(--au-serif); font-size: clamp(var(--au-text-2xl), 3vw, var(--au-text-4xl));
  color: var(--au-text); line-height: 1.4; font-style: italic;
}
.testimonial__author { margin-top: var(--au-6); font-size: var(--au-text-sm); color: var(--au-text-light); letter-spacing: 0.05em; }

/* ========== CONTACT ========== */
.contact { background: var(--au-bg); }
.contact__inner { text-align: center; max-width: 700px; margin: 0 auto; }
.contact__title {
  font-family: var(--au-serif); font-style: italic;
  font-size: clamp(var(--au-text-4xl), 5vw, var(--au-text-7xl));
  color: var(--au-text); line-height: 1.1; letter-spacing: -0.02em;
}
.contact__sub { font-size: var(--au-text-lg); color: var(--au-text-muted); margin: var(--au-4) auto 0; }
.contact__ctas { display: flex; gap: var(--au-4); justify-content: center; margin-top: var(--au-8); }
.contact__form { margin-top: var(--au-12); text-align: left; display: flex; flex-direction: column; gap: var(--au-5); }
.contact__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--au-5); }
.contact__field { display: flex; flex-direction: column; gap: var(--au-2); }
.contact__label { font-size: var(--au-text-xs); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--au-text-light); }
.contact__input, .contact__textarea {
  width: 100%; padding: var(--au-4); background: var(--au-surface);
  border: 1px solid var(--au-border); color: var(--au-text);
  font-family: var(--au-sans); font-size: var(--au-text-base);
  transition: border-color var(--au-fast) var(--au-ease);
}
.contact__input:focus, .contact__textarea:focus { border-color: var(--au-accent); outline: none; }
.contact__input::placeholder, .contact__textarea::placeholder { color: var(--au-text-faint); }
.contact__textarea { min-height: 140px; resize: vertical; }

/* ========== FOOTER ========== */
.footer { padding: var(--au-8) 0; border-top: 1px solid var(--au-border); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; }
.footer__logo { font-family: var(--au-serif); font-size: var(--au-text-lg); color: var(--au-text); font-style: italic; }
.footer__links { display: flex; gap: var(--au-6); }
.footer__link { font-size: var(--au-text-sm); color: var(--au-text-light); }
.footer__link:hover { color: var(--au-text); }
.footer__copy { font-size: var(--au-text-xs); color: var(--au-text-faint); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .mobile-nav { display: flex; }
  .project-card { grid-template-columns: 1fr; gap: var(--au-8); }
  .project-card:nth-child(even) { grid-template-columns: 1fr; }
  .project-card:nth-child(even) .project-card__image { order: 0; }
  .project-card:nth-child(even) .project-card__info { order: 0; }
  .philosophy__inner { grid-template-columns: 1fr; gap: var(--au-10); }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .process__steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .services__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr 1fr; }
  .gallery__item--tall { grid-row: span 1; aspect-ratio: 4/3; }
  .contact__row { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; gap: var(--au-4); text-align: center; }
  .footer__links { flex-wrap: wrap; justify-content: center; }
  .hero__content { padding: var(--au-24) 0 var(--au-16); }
}

@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .contact__ctas { flex-direction: column; }
  .gallery__grid { grid-template-columns: 1fr; }
}