/* =============================================
   ARTIFEIRA – GLOBAL STYLES
   ============================================= */

:root {
  --black:    #0a0a0a;
  --dark:     #111111;
  --mid-dark: #1a1a1a;
  --charcoal: #2c2c2c;
  --grey:     #6b6b6b;
  --light-grey: #c4c4c4;
  --off-white: #f5f3f0;
  --white:    #ffffff;
  --gold:     #b89a6a;
  --gold-light: #d4b896;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Jost', sans-serif;

  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow: 0 20px 60px rgba(0,0,0,0.15);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--off-white);
  color: var(--dark);
  overflow-x: hidden;
}

img { display: block; width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding { padding: 6rem 0; }
.dark-section { background: var(--dark); color: var(--white); }

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.section-label.light { color: var(--gold-light); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  padding: 0.9rem 2.4rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid var(--gold);
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover {
  background: transparent;
  color: var(--gold);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  padding: 0.9rem 2.4rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ===== LOADER ===== */
#loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo { width: 140px; margin: 0 auto 2rem; filter: brightness(0) invert(1); }
.loader-bar {
  width: 200px;
  height: 1px;
  background: var(--charcoal);
  overflow: hidden;
}
.loader-bar span {
  display: block;
  height: 100%;
  background: var(--gold);
  animation: loadBar 1.8s ease forwards;
}
@keyframes loadBar { from { width: 0; } to { width: 100%; } }

/* ===== LANG SWITCHER ===== */
#lang-switcher {
  position: fixed;
  top: 1.2rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.5);
}
.lang-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s;
  padding: 0.1rem 0.2rem;
}
.lang-btn.active, .lang-btn:hover { color: var(--gold); }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 900;
  padding: 1.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(10,10,10,0.97);
  padding: 1rem 3rem;
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}
.nav-logo img { height: 42px; width: auto; }
.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  border: 1px solid var(--gold) !important;
  padding: 0.5rem 1.2rem;
  color: var(--gold) !important;
}
.nav-cta:hover { background: var(--gold); color: var(--white) !important; }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.7) 100%);
  z-index: 1;
}
/* Fallback background when video fails */
.hero { background: url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?w=1920&q=85') center/cover no-repeat; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: 0 2rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}
.hero-content.visible { opacity: 1; transform: translateY(0); }

.hero-tagline {
  font-size: 0.7rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
  letter-spacing: 0.5px;
}
.hero-cta-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), var(--gold));
  margin: 0 auto;
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:1} }

/* ===== NUMBERS STRIP ===== */
.numbers-strip {
  background: var(--black);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.number-item {
  padding: 3rem 2rem;
  text-align: center;
  border-right: 1px solid var(--charcoal);
  color: var(--white);
}
.number-item:last-child { border-right: none; }
.num {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--gold);
  font-weight: 300;
}
.num-plus { font-family: var(--font-serif); font-size: 2rem; color: var(--gold); }
.number-item p {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--light-grey);
  margin-top: 0.5rem;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-images { position: relative; }
.about-img-main {
  width: 85%;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.about-img-main img { height: 100%; transition: transform 0.8s ease; }
.about-img-main:hover img { transform: scale(1.04); }
.about-img-secondary {
  position: absolute;
  bottom: -3rem;
  right: 0;
  width: 55%;
  aspect-ratio: 1;
  border: 6px solid var(--off-white);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-img-secondary img { height: 100%; transition: transform 0.8s ease; }
.about-img-secondary:hover img { transform: scale(1.04); }

.about-text { padding-left: 1rem; }
.about-text h2 { margin-bottom: 1.5rem; }
.about-text p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--grey);
  margin-bottom: 1.2rem;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.feat-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dark);
}
.feat-icon { color: var(--gold); font-size: 0.6rem; }

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--charcoal);
  border: 1px solid var(--charcoal);
}
.service-card {
  background: var(--mid-dark);
  padding: 3rem 2rem;
  transition: background var(--transition);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, background 0.4s;
}
.service-card.visible { opacity: 1; transform: translateY(0); }
.service-card:hover { background: var(--charcoal); }
.service-icon {
  width: 48px;
  height: 48px;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1rem;
  color: var(--white);
}
.service-card p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--light-grey);
}

/* ===== PROJECTS ===== */
.projects-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
}
.proj-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}
.proj-item.large { grid-row: span 2; aspect-ratio: unset; }
.proj-item.wide { grid-column: span 2; }
.proj-item img { height: 100%; transition: transform 0.7s ease; }
.proj-item:hover img { transform: scale(1.06); }
.proj-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}
.proj-item:hover .proj-overlay { opacity: 1; }
.proj-overlay span {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.6);
  padding: 0.6rem 1.4rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials-slider { max-width: 760px; margin: 0 auto 2rem; }
.testi-card {
  display: none;
  text-align: center;
  animation: fadeIn 0.6s ease;
}
.testi-card.active { display: block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
.testi-stars { color: var(--gold); font-size: 1rem; margin-bottom: 1.5rem; letter-spacing: 3px; }
.testi-card p {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
}
.testi-author strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}
.testi-author span {
  font-size: 0.75rem;
  color: var(--grey);
}
.slider-dots { display: flex; justify-content: center; gap: 0.6rem; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--charcoal);
  cursor: pointer;
  transition: background 0.3s;
}
.dot.active { background: var(--gold); }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}
.contact-info h2 { margin: 1rem 0 1.5rem; }
.contact-info p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--grey);
  margin-bottom: 2rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-details li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: var(--grey);
}
.contact-details a:hover { color: var(--gold); }
.c-icon { font-size: 1rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; margin-bottom: 1.2rem; }
.form-group.full { grid-column: span 2; }
.form-group label {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--light-grey);
  padding: 0.7rem 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--dark);
  outline: none;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-bottom-color: var(--gold); }
.form-group textarea { resize: vertical; }
.full-btn { width: 100%; text-align: center; margin-top: 0.5rem; }
.form-notice {
  font-size: 0.8rem;
  margin-top: 1rem;
  text-align: center;
  color: var(--gold);
  min-height: 1.2rem;
}

/* ===== FOOTER ===== */
.footer { background: var(--black); color: var(--white); padding-top: 4rem; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--charcoal);
}
.footer-logo img { height: 50px; width: auto; margin-bottom: 1.2rem; filter: brightness(0) invert(1); }
.footer-logo p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--grey);
}
.footer-links h4, .footer-services h4 {
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.footer-links ul li, .footer-services ul li {
  font-size: 0.85rem;
  color: var(--grey);
  margin-bottom: 0.6rem;
  transition: color 0.3s;
  cursor: pointer;
}
.footer-links ul li:hover, .footer-links ul li a:hover { color: var(--white); }
.footer-bottom {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.75rem;
  color: var(--charcoal);
}

/* ===== BACK TO TOP ===== */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  background: var(--gold);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 800;
}
#back-to-top.visible { opacity: 1; visibility: visible; }
#back-to-top:hover { background: var(--dark); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-images { margin-bottom: 4rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  #navbar { padding: 1.2rem 1.5rem; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75%;
    height: 100vh;
    background: var(--black);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: right 0.4s ease;
    z-index: 850;
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; z-index: 900; }

  .numbers-strip { grid-template-columns: repeat(2, 1fr); }
  .number-item { border-bottom: 1px solid var(--charcoal); }

  .services-grid { grid-template-columns: 1fr; }

  .projects-masonry { grid-template-columns: 1fr 1fr; }
  .proj-item.large { grid-row: span 1; }
  .proj-item.wide { grid-column: span 2; }

  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }

  #lang-switcher { top: 1rem; right: 5rem; }
}

@media (max-width: 480px) {
  .projects-masonry { grid-template-columns: 1fr; }
  .proj-item.wide { grid-column: span 1; }
  .about-img-secondary { display: none; }
}