/* ============================================================
   ARYA NAIR INTERIORS — PORTFOLIO.CSS
   Mood: Dark immersive gallery — black canvas, gold accents
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --black: #0D0B09; --dark: #151210; --dark-mid: #1E1812; --bone: #F7F4EF;
  --stone: #E8E0D4; --brass: #B8935A; --brass-light: #D4AD78;
  --warm-white: #FDFAF6; --ink: #3D2B1F; --muted: #7A6A5E; --espresso: #1C1410;
  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body: 'Jost', sans-serif;
  --ff-accent: 'Cormorant', Georgia, serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--ff-body); background: var(--black); color: var(--warm-white); overflow-x: hidden; }
em { font-style: italic; } a { text-decoration: none; color: inherit; }

/* NAV */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 28px 60px; transition: all 0.4s ease; }
.nav.scrolled { background: rgba(13,11,9,0.95); backdrop-filter: blur(12px); padding: 18px 60px; box-shadow: 0 1px 0 rgba(184,147,90,0.1); }
.nav-logo a { display: flex; flex-direction: column; line-height: 1; }
.logo-main { font-family: var(--ff-display); font-size: 1.25rem; font-weight: 600; color: var(--warm-white); letter-spacing: 0.02em; }
.logo-sub { font-size: 0.6rem; font-weight: 300; letter-spacing: 0.22em; text-transform: uppercase; color: var(--brass-light); margin-top: 2px; }
.nav-links { display: flex; align-items: center; gap: 40px; list-style: none; }
.nav-links a { font-size: 0.78rem; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(253,250,246,0.7); transition: color 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--brass-light); }
.nav-links .nav-cta { background: var(--brass); color: var(--warm-white) !important; padding: 10px 22px; border-radius: 2px; transition: background 0.3s; }
.nav-links .nav-cta:hover { background: var(--brass-light) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--warm-white); transition: all 0.3s; }
.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); }

/* PORTFOLIO HERO */
.port-hero { min-height: 75vh; display: flex; flex-direction: column; justify-content: flex-end; padding: 0; position: relative; overflow: hidden; background: var(--dark); }
.port-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 30%, rgba(184,147,90,0.08) 0%, transparent 60%), linear-gradient(to bottom, transparent 30%, rgba(13,11,9,0.9) 100%); }
.port-hero-bg::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23B8935A' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.port-hero-content { position: relative; z-index: 2; padding: 0 60px 60px; }
.ph-eyebrow { font-size: 0.68rem; font-weight: 400; letter-spacing: 0.28em; text-transform: uppercase; color: var(--brass-light); margin-bottom: 20px; display: block; }
.ph-title { font-family: var(--ff-display); font-size: clamp(3rem, 7vw, 6rem); font-weight: 400; line-height: 1.08; color: var(--warm-white); margin-bottom: 20px; }
.ph-title em { color: var(--brass-light); }
.ph-desc { font-size: 1rem; font-weight: 300; line-height: 1.8; color: rgba(253,250,246,0.55); max-width: 560px; }
.ph-stats-strip { position: relative; z-index: 2; background: rgba(184,147,90,0.08); border-top: 1px solid rgba(184,147,90,0.15); display: flex; padding: 24px 60px; gap: 0; }
.phs-item { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.phs-num { font-family: var(--ff-display); font-size: 1.3rem; font-weight: 400; color: var(--brass-light); }
.phs-label { font-size: 0.68rem; font-weight: 300; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(253,250,246,0.4); }
.phs-sep { width: 1px; background: rgba(184,147,90,0.2); margin: 0 40px; }

/* FILTER BAR */
.filter-bar { background: var(--dark-mid); border-bottom: 1px solid rgba(184,147,90,0.1); padding: 20px 60px; position: sticky; top: 0; z-index: 50; }
.filter-inner { display: flex; gap: 4px; max-width: 1200px; margin: 0 auto; flex-wrap: wrap; }
.filter-btn { background: none; border: 1px solid transparent; border-radius: 2px; padding: 8px 20px; font-family: var(--ff-body); font-size: 0.72rem; font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(253,250,246,0.5); cursor: pointer; transition: all 0.3s; }
.filter-btn:hover { color: var(--warm-white); border-color: rgba(184,147,90,0.3); }
.filter-btn.active { background: var(--brass); color: var(--warm-white); border-color: var(--brass); }

/* FEATURED PROJECT */
.featured-project { padding: 80px 60px; background: var(--dark); border-bottom: 1px solid rgba(184,147,90,0.08); }
.fp-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; max-width: 1200px; margin: 0 auto; align-items: start; }
.fp-main-img { height: 440px; border-radius: 2px; margin-bottom: 8px; }
.fimg1 { background: linear-gradient(145deg, #D4C0A8 0%, #B09078 30%, #8A7060 60%, #6A5040 100%); }
.fp-thumb-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.fp-thumb { height: 120px; border-radius: 2px; }
.ft1 { background: linear-gradient(135deg, #C0A888 0%, #9A7860 100%); }
.ft2 { background: linear-gradient(135deg, #8A7060 0%, #6A5040 100%); }
.ft3 { background: linear-gradient(135deg, #B0A090 0%, #8A7868 100%); }
.fp-category { font-size: 0.68rem; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; color: var(--brass-light); display: block; margin-bottom: 14px; }
.fp-title { font-family: var(--ff-display); font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 400; color: var(--warm-white); margin-bottom: 16px; }
.fp-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 24px; }
.fp-meta span { font-size: 0.78rem; font-weight: 300; color: rgba(253,250,246,0.5); display: flex; align-items: center; gap: 8px; }
.fp-meta i { color: var(--brass); font-size: 0.72rem; }
.fp-desc { font-family: var(--ff-accent); font-size: 1rem; font-style: italic; font-weight: 300; line-height: 1.8; color: rgba(253,250,246,0.65); margin-bottom: 28px; }
.fp-highlights { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; padding: 24px; background: rgba(184,147,90,0.05); border: 1px solid rgba(184,147,90,0.1); border-radius: 2px; }
.fph { display: flex; flex-direction: column; gap: 3px; }
.fph-label { font-size: 0.62rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--brass-light); }
.fph-val { font-size: 0.85rem; font-weight: 300; color: rgba(253,250,246,0.6); }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--brass); color: var(--warm-white); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; padding: 16px 36px; border-radius: 2px; transition: background 0.3s, transform 0.2s; }
.btn-primary:hover { background: var(--brass-light); transform: translateY(-1px); }

/* PORT GRID */
.port-grid-section { padding: 60px; background: var(--black); }
.port-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 1380px; margin: 0 auto; }
.port-card { position: relative; overflow: hidden; border-radius: 2px; cursor: pointer; opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.port-card.visible { opacity: 1; transform: translateY(0); }
.port-card.port-wide { grid-column: span 2; }
.port-card.port-tall { grid-row: span 2; }
.pc-img { width: 100%; height: 320px; transition: transform 0.7s ease; }
.port-wide .pc-img { height: 320px; }
.port-tall .pc-img { height: 100%; min-height: 660px; }
.port-card:hover .pc-img { transform: scale(1.06); }
.pcimg1 { background: linear-gradient(145deg, #C8B49A 0%, #A08060 50%, #7A6048 100%); }
.pcimg2 { background: linear-gradient(160deg, #4A3830 0%, #6B5540 40%, #8B7355 80%, #A09070 100%); }
.pcimg3 { background: linear-gradient(135deg, #D4C0A8 0%, #B09878 50%, #9A7858 100%); }
.pcimg4 { background: linear-gradient(120deg, #B8A898 0%, #8A7868 40%, #6A5848 100%); }
.pcimg5 { background: linear-gradient(150deg, #C4A888 0%, #9E8468 50%, #7E6650 100%); }
.pcimg6 { background: linear-gradient(130deg, #E8D4B8 0%, #C8B088 40%, #A88860 100%); }
.pcimg7 { background: linear-gradient(140deg, #B0A090 0%, #8A7868 50%, #6A5848 100%); }
.pcimg8 { background: linear-gradient(155deg, #3A2E22 0%, #5A4A38 40%, #8A7060 80%, #B09080 100%); }
.pcimg9 { background: linear-gradient(125deg, #C0B0A0 0%, #9A8878 50%, #7A6858 100%); }
.pcimg10 { background: linear-gradient(145deg, #D8C8B0 0%, #B8A888 50%, #987866 100%); }
.pcimg11 { background: linear-gradient(135deg, #A8C8A0 0%, #809868 40%, #607050 100%); }
.pcimg12 { background: linear-gradient(150deg, #B0B8C8 0%, #8898A8 50%, #607080 100%); }
.pc-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px 24px; background: linear-gradient(to top, rgba(13,11,9,0.92) 0%, rgba(13,11,9,0.4) 60%, transparent 100%); transform: translateY(8px); transition: transform 0.4s ease; display: flex; flex-direction: column; gap: 4px; }
.port-card:hover .pc-overlay { transform: translateY(0); }
.pc-tag { font-size: 0.6rem; font-weight: 400; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass-light); }
.pc-overlay h3 { font-family: var(--ff-display); font-size: 1.15rem; font-weight: 400; color: var(--warm-white); }
.pc-overlay p { font-size: 0.75rem; font-weight: 300; color: rgba(253,250,246,0.5); }
.pc-arrow { position: absolute; top: 20px; right: 20px; width: 36px; height: 36px; border-radius: 50%; background: rgba(184,147,90,0.2); border: 1px solid rgba(184,147,90,0.4); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; }
.port-card:hover .pc-arrow { opacity: 1; }
.pc-arrow i { font-size: 0.78rem; color: var(--brass-light); }

/* TESTIMONIAL */
.port-test { background: var(--dark); padding: 80px 60px; border-top: 1px solid rgba(184,147,90,0.08); }
.pt-inner { max-width: 700px; margin: 0 auto; text-align: center; }
.pt-inner > i { font-size: 1.5rem; color: rgba(184,147,90,0.3); margin-bottom: 24px; display: block; }
.pt-inner blockquote { font-family: var(--ff-accent); font-size: 1.3rem; font-style: italic; font-weight: 300; line-height: 1.7; color: var(--warm-white); margin-bottom: 28px; }
.pt-author { margin-bottom: 12px; }
.pt-author strong { display: block; font-family: var(--ff-body); font-size: 0.88rem; font-weight: 500; color: var(--warm-white); }
.pt-author span { font-size: 0.75rem; font-weight: 300; color: rgba(253,250,246,0.4); }
.pt-stars { display: flex; justify-content: center; gap: 4px; }
.pt-stars i { color: var(--brass); font-size: 0.75rem; }

/* PORT CTA */
.port-cta { background: linear-gradient(135deg, #B8935A 0%, #9A7A48 60%, #7A5E38 100%); padding: 100px 60px; text-align: center; }
.port-cta-inner { max-width: 600px; margin: 0 auto; }
.pc-label { font-size: 0.68rem; font-weight: 400; letter-spacing: 0.26em; text-transform: uppercase; color: rgba(253,250,246,0.6); margin-bottom: 20px; display: block; }
.port-cta-inner h2 { font-family: var(--ff-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 400; color: var(--warm-white); margin-bottom: 20px; }
.port-cta-inner h2 em { font-style: italic; color: rgba(253,250,246,0.8); }
.port-cta-inner p { font-size: 1rem; font-weight: 300; line-height: 1.8; color: rgba(253,250,246,0.7); margin-bottom: 36px; }
.port-cta .btn-primary { background: var(--warm-white); color: var(--brass); }
.port-cta .btn-primary:hover { background: var(--bone); }

/* FOOTER */
.footer { background: var(--espresso); padding: 80px 60px 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 60px; max-width: 1200px; margin: 0 auto 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(184,147,90,0.1); }
.footer-logo { display: flex; flex-direction: column; line-height: 1; margin-bottom: 20px; }
.footer-brand .logo-main { font-family: var(--ff-display); font-size: 1.3rem; font-weight: 600; color: var(--warm-white); }
.footer-brand .logo-sub { font-size: 0.58rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--brass-light); margin-top: 3px; }
.footer-brand p { font-size: 0.85rem; font-weight: 300; line-height: 1.75; color: rgba(253,250,246,0.45); margin-bottom: 24px; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { width: 36px; height: 36px; border-radius: 2px; border: 1px solid rgba(184,147,90,0.25); display: flex; align-items: center; justify-content: center; color: rgba(253,250,246,0.5); font-size: 0.85rem; transition: border-color 0.3s, color 0.3s; }
.footer-social a:hover { border-color: var(--brass-light); color: var(--brass-light); }
.footer-nav h5 { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass-light); margin-bottom: 20px; }
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 0.85rem; font-weight: 300; color: rgba(253,250,246,0.45); transition: color 0.3s; }
.footer-nav a:hover { color: var(--warm-white); }
.footer-contact h5 { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass-light); margin-bottom: 20px; }
.footer-contact p { font-size: 0.82rem; font-weight: 300; color: rgba(253,250,246,0.45); line-height: 1.6; display: flex; gap: 10px; margin-bottom: 12px; }
.footer-contact i { color: var(--brass); margin-top: 2px; flex-shrink: 0; font-size: 0.75rem; }
.footer-bottom { display: flex; justify-content: space-between; padding: 24px 0; max-width: 1200px; margin: 0 auto; font-size: 0.75rem; font-weight: 300; color: rgba(253,250,246,0.25); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .nav { padding: 28px 40px; } .nav.scrolled { padding: 18px 40px; }
  .port-hero-content { padding: 0 40px 60px; }
  .ph-stats-strip { padding: 24px 40px; }
  .featured-project { padding: 60px 40px; }
  .fp-grid { grid-template-columns: 1fr; }
  .port-grid-section { padding: 40px; }
  .port-grid { grid-template-columns: repeat(2, 1fr); }
  .port-card.port-wide { grid-column: span 2; }
  .port-cta { padding: 80px 40px; }
  .footer { padding: 60px 40px 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav { padding: 20px 24px; } .nav.scrolled { padding: 14px 24px; }
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--dark); flex-direction: column; align-items: center; justify-content: center; gap: 32px; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; }
  .nav-toggle { display: flex; z-index: 101; }
  .port-hero-content { padding: 0 24px 40px; }
  .ph-stats-strip { flex-direction: column; padding: 24px; gap: 16px; }
  .phs-sep { display: none; }
  .filter-bar { padding: 16px 24px; }
  .featured-project { padding: 40px 24px; }
  .fp-thumb-row { display: none; }
  .port-grid-section { padding: 24px; }
  .port-grid { grid-template-columns: 1fr; }
  .port-card.port-wide, .port-card.port-tall { grid-column: 1; grid-row: auto; }
  .pc-img, .port-wide .pc-img, .port-tall .pc-img { height: 260px; min-height: auto; }
  .port-test { padding: 60px 24px; }
  .port-cta { padding: 60px 24px; }
  .footer { padding: 48px 24px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}