/* ============================================
   BONAS STUDIO — LANDING PAGE
   Mobile-first, brand-accurate
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;600&display=swap');

/* ============================================
   TOKENS
   ============================================ */
:root {
  --color-gallery-white: #F7F6F3;
  --color-warm-white:    #F2F0EB;
  --color-graphite:      #2E2E2E;
  --color-charcoal:      #121212;
  --color-brass:         #C7A86A;
  --color-border:        rgba(46, 46, 46, 0.12);
  --color-border-light:  rgba(247, 246, 243, 0.15);

  --font-serif:  'Libre Baskerville', serif;
  --font-sans:   'Source Sans 3', sans-serif;

  --text-xs:   clamp(0.7rem,  0.65rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.8rem,  0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(1rem,    0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem,1.05rem + 0.375vw,1.375rem);
  --text-xl:   clamp(1.5rem,  1.3rem  + 1vw,    2.25rem);
  --text-2xl:  clamp(2rem,    1.6rem  + 2vw,    3.5rem);
  --text-3xl:  clamp(2.5rem,  2rem    + 2.5vw,  4.5rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;

  --section-pad-y: clamp(4rem, 8vw, 8rem);
  --section-pad-x: clamp(1.5rem, 5vw, 3rem);
  --container-max: 1320px;
  --container-narrow: 760px;
  --header-h: 60px;

  --ease-luxury: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-graphite);
  background: var(--color-gallery-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.section-pad {
  padding-block: var(--section-pad-y);
  padding-inline: var(--section-pad-x);
}

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

.container--narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
}

.bg-warm { background-color: var(--color-warm-white); }
.bg-dark  { background-color: var(--color-charcoal); }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--header-h);
  background: rgba(247, 246, 243, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 900;
  transition: box-shadow var(--transition-smooth);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.07);
}

.header-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-graphite);
  letter-spacing: 0.02em;
}

.header-contact {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-brass);
  transition: opacity var(--transition-smooth);
}

.header-contact:hover { opacity: 0.7; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-inline: var(--section-pad-x);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform-origin: center;
  animation: heroScale 8s var(--ease-luxury) forwards;
}

@keyframes heroScale {
  from { transform: scale(1.04); }
  to   { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(18, 18, 18, 0.72) 0%,
    rgba(18, 18, 18, 0.25) 45%,
    rgba(18, 18, 18, 0.08) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-brass);
  margin: 0 0 var(--space-2);
  opacity: 0;
  animation: fadeUp 0.9s 0.3s ease forwards;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.05;
  color: var(--color-gallery-white);
  margin: 0 0 var(--space-3);
  opacity: 0;
  animation: fadeUp 0.9s 0.55s ease forwards;
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.65;
  color: rgba(247, 246, 243, 0.75);
  margin: 0 0 var(--space-4);
  opacity: 0;
  animation: fadeUp 0.9s 0.8s ease forwards;
}

.btn-hero {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gallery-white);
  border: 1px solid rgba(247, 246, 243, 0.5);
  padding: 0.875rem 2rem;
  transition: background var(--transition-smooth), border-color var(--transition-smooth), color var(--transition-smooth);
  opacity: 0;
  animation: fadeUp 0.9s 1.05s ease forwards;
}

.btn-hero:hover {
  background: var(--color-brass);
  border-color: var(--color-brass);
  color: var(--color-charcoal);
}

.hero-launch {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(247, 246, 243, 0.4);
  margin: var(--space-2) 0 0;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.9s 1.25s ease forwards;
}

.hero-scroll {
  position: absolute;
  bottom: clamp(1.5rem, 4vw, 2.5rem);
  right: var(--section-pad-x);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s 1.5s ease forwards;
}

.scroll-label {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(247, 246, 243, 0.5);
  writing-mode: vertical-rl;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(247, 246, 243, 0.3);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  inset-block: 0;
  width: 100%;
  background: var(--color-brass);
  animation: scrollDrop 2s 2s ease-in-out infinite;
}

@keyframes scrollDrop {
  0%   { transform: translateY(-100%); }
  50%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* ============================================
   STATEMENT
   ============================================ */
.statement {
  text-align: center;
}

.statement-text {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.9;
  color: var(--color-graphite);
  margin: 0;
  font-style: italic;
}

.rule {
  width: 1px;
  height: 60px;
  background: var(--color-border);
  margin-inline: auto;
}

/* ============================================
   PIECE FEATURES — SPLIT LAYOUT
   ============================================ */
.piece-feature__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.piece-feature__media {
  position: relative;
  overflow: hidden;
}

.piece-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s var(--ease-luxury);
}

.piece-feature__media:hover .piece-img {
  transform: scale(1.025);
}

.piece-category {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-brass);
  margin: 0 0 var(--space-2);
}

.piece-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-graphite);
  margin: 0 0 var(--space-2);
}

.piece-location {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: #7A7670;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-3);
}

.piece-desc {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-graphite);
  margin: 0 0 var(--space-3);
}

.piece-materials {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #9A9590;
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

/* Desktop: two-column */
@media (min-width: 768px) {
  .piece-feature__inner {
    grid-template-columns: 1fr 1fr;
  }

  .piece-feature__inner--reverse .piece-feature__media {
    order: 2;
  }

  .piece-feature__inner--reverse .piece-feature__copy {
    order: 1;
  }
}

/* ============================================
   MAUI — FULL-WIDTH DARK FEATURE
   ============================================ */
.piece-full {
  padding-inline: var(--section-pad-x);
}

.piece-full .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.piece-full__media {
  position: relative;
  overflow: hidden;
}

.piece-img--full {
  max-width: 680px;
  margin-inline: auto;
  transition: transform 0.8s var(--ease-luxury);
}

.piece-full__media:hover .piece-img--full {
  transform: scale(1.02);
}

.piece-category--light  { color: var(--color-brass); }

.piece-title--light {
  color: var(--color-gallery-white);
}

.piece-location--light {
  color: rgba(247, 246, 243, 0.45);
}

.piece-desc--light {
  color: rgba(247, 246, 243, 0.7);
}

.piece-materials--light {
  color: rgba(247, 246, 243, 0.35);
  border-top-color: rgba(247, 246, 243, 0.12);
}

@media (min-width: 900px) {
  .piece-full .container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .piece-img--full {
    max-width: 100%;
  }

  .piece-full--reverse .piece-full__media {
    order: 2;
  }

  .piece-full--reverse .piece-full__copy {
    order: 1;
  }
}

/* ============================================
   CTA
   ============================================ */
.cta {
  background: var(--color-gallery-white);
}

.cta__inner {
  text-align: center;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-graphite);
  margin: 0 0 var(--space-3);
}

.cta-text {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.8;
  color: #6B6B6B;
  margin: 0 0 var(--space-4);
}

.btn-cta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal);
  background: var(--color-brass);
  padding: 1rem 2.5rem;
  transition: background var(--transition-smooth), color var(--transition-smooth);
}

.btn-cta:hover {
  background: #b8976a;
  color: var(--color-charcoal);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-charcoal);
  padding: var(--space-5) var(--section-pad-x);
  border-top: 1px solid rgba(247, 246, 243, 0.08);
}

.footer-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-gallery-white);
  margin: 0;
}

.footer-tagline {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-brass);
  margin: 0.25rem 0 0;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-link {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(247, 246, 243, 0.55);
  transition: color var(--transition-smooth);
}

.footer-link:hover {
  color: var(--color-brass);
}

.footer-divider {
  color: rgba(247, 246, 243, 0.2);
}

.footer-copy {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: rgba(247, 246, 243, 0.25);
  margin: 0;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-luxury), transform 0.8s var(--ease-luxury);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up--delay {
  transition-delay: 0.18s;
}

/* ============================================
   RESPONSIVE REFINEMENTS
   ============================================ */
@media (min-width: 768px) {
  .hero {
    padding-bottom: clamp(4rem, 10vw, 8rem);
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    text-align: left;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-image,
  .scroll-line::after { animation: none; }

  .hero-eyebrow,
  .hero-title,
  .hero-sub,
  .btn-hero,
  .hero-scroll {
    opacity: 1;
    animation: none;
  }

  .fade-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
}