/* ============================================================
   GLASS HOUSE ALGARVE — Design System
   Colors live in theme.css — this file handles layout & components
   ============================================================ */

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

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

body {
  font-family: var(--font-body);
  background: linear-gradient(var(--bg-gradient-angle), var(--bg-deep) 0%, var(--bg-darker) var(--bg-gradient-mid), var(--bg-gradient-end) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--gold-light); }

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

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem);   letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0;
}

/* ── Particles canvas ──────────────────────────────────────── */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── Glass morphism ────────────────────────────────────────── */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.glass::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
  pointer-events: none;
}
.glass:hover::before {
  animation: shimmer 0.8s ease forwards;
}

@keyframes shimmer {
  0%   { left: -100%; }
  100% { left:  100%; }
}

.glass-card {
  padding: 2rem;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  background: var(--bg-card-hover);
}

/* ── Navigation ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--navbar-bg);
  backdrop-filter: blur(var(--blur-heavy));
  -webkit-backdrop-filter: blur(var(--blur-heavy));
  border-bottom: 1px solid var(--border-glass);
  transition: background var(--transition);
}
.navbar.scrolled {
  background: var(--navbar-bg-scrolled);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: auto;
}
.nav-logo .logo-icon {
  width: 28px; height: 28px;
  fill: var(--gold);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.07);
}
.nav-links a.active { color: var(--gold); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
  background: none;
  border: none;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--nav-height);
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  padding: 2rem 1.5rem;
}

.hero h1 {
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--gold-light) 50%, var(--text-primary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShine 4s ease-in-out infinite;
}

@keyframes textShine {
  0%, 100% { background-position: 0% center; }
  50%       { background-position: 200% center; }
}

.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #1a0a2e;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 165, 116, 0.30);
  color: #1a0a2e;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-glass-hover);
  color: var(--text-primary);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  color: var(--text-primary);
}

/* ── Grid utilities ────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

/* ── Image placeholders ────────────────────────────────────── */
.img-placeholder {
  background: linear-gradient(135deg, rgba(123, 45, 142, 0.2), rgba(212, 165, 116, 0.15));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  min-height: 220px;
  border: 1px solid var(--border-glass);
}

/* ── Gallery ───────────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.gallery-item .img-placeholder {
  width: 100%; height: 100%;
  border-radius: 0;
  min-height: unset;
}
.gallery-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 10, 46, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .overlay { opacity: 1; }

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  padding: 4rem 0 0;
  border-top: 1px solid var(--border-glass);
  background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.18));
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

/* Brand column */
.footer-brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}
.footer-brand-tag {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 270px;
  margin: 0;
}

/* Social buttons */
.footer-socials {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}
.social-btn:hover {
  background: rgba(212,165,116,0.14);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-3px);
}

/* Nav column */
.footer h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}
.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}

/* Contact column */
.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.footer-contact-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--gold);
  opacity: 0.75;
}
.footer-contact-list a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-contact-list a:hover { color: var(--gold); }

/* Bottom bar */
.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

/* ── Reveal animation ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-3,
  .grid-2,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    flex-direction: column;
    background: var(--navbar-mobile-bg);
    backdrop-filter: blur(var(--blur-heavy));
    -webkit-backdrop-filter: blur(var(--blur-heavy));
    padding: 5rem 2rem 2rem;
    gap: 0.5rem;
    transition: right var(--transition);
    border-left: 1px solid var(--border-glass);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.05rem; padding: 0.75rem 1rem; }

  .hamburger { display: flex; }

  section { padding: 1.5rem 0; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .container { padding: 0 1rem; }
  .btn { padding: 0.75rem 1.5rem; font-size: 0.9rem; }
}