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

:root {
  --black:  #0a0a0a;
  --white:  #ffffff;
  --gold:   #C9A84C;
  --serif:  'Cormorant Garamond', Georgia, serif;
  --sans:   'Inter', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

/* -- Navbar -- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  background: transparent;
}

.nav-logo {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0.25em;
  color: var(--white);
  user-select: none;
}

.nav-lang {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-sep {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.75rem;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.4);
  transition: color 0.2s ease;
  padding: 0;
}

.lang-btn:hover {
  color: var(--white);
}

.lang-btn.active {
  color: var(--white);
}

/* -- Hero -- */
#hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

@keyframes kenburns-out {
  from { transform: scale(1.15); }
  to   { transform: scale(1.0); }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.15;
  display: block;
  animation: kenburns-out 2.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  padding: 0 1.5rem;
  animation: fade-up 1.2s ease-out 0.8s both;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: 0.25em;
  color: var(--white);
  line-height: 1;
  text-transform: uppercase;
}

.hero-tagline {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
}

.hero-cta {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.75rem 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--white);
  background: transparent;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.hero-cta:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #0a0a0a;
}

/* -- Portfolio -- */
#portfolio {
  background-color: var(--black);
  padding: 120px 3rem;
}

.portfolio-title {
  margin-bottom: 2.5rem;
}

.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 4rem;
}

.filter-sep {
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
}

.filter-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover {
  color: var(--white);
}

.filter-btn.active {
  color: var(--white);
  border-bottom-color: var(--gold);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 1px;
  max-width: 1200px;
  margin: 0 auto;
}

.portfolio-card {
  position: relative;
  background-color: #1a1a1a;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.portfolio-card.card-tall {
  grid-row: span 2;
}

.portfolio-card.hidden {
  display: none;
}

.portfolio-card.fade-in {
  animation: card-fade 0.4s ease both;
}

@keyframes card-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.portfolio-card:hover .card-img {
  transform: scale(1.04);
}

.card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  transition: background 0.3s ease;
}

.card-name {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--white);
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.card-category {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease 0.04s, transform 0.3s ease 0.04s;
}

.portfolio-card:hover {
  border-color: var(--gold);
}

.portfolio-card:hover .card-overlay {
  background: rgba(0, 0, 0, 0.45);
}

.portfolio-card:hover .card-name,
.portfolio-card:hover .card-category {
  opacity: 1;
  transform: translateY(0);
}

/* -- Shared section label -- */
.section-label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

/* -- Offer -- */
#offer {
  background-color: var(--black);
  padding: 40px 3rem 100px;
}

.offer-subtitle {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 300;
  color: #888;
  text-align: center;
  margin-bottom: 4rem;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.offer-card {
  position: relative;
  background: #111111;
  border: 1px solid #222;
  transition: transform 0.4s ease;
}

.offer-card:hover {
  transform: translateY(-4px);
}

.offer-card--featured {
  border-color: var(--gold);
}

.offer-badge {
  align-self: flex-start;
  background: var(--gold);
  color: #000;
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.offer-card-inner {
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.offer-kit-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--white);
  text-transform: uppercase;
}

.offer-hook {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 300;
  font-style: italic;
  color: #aaa;
}

.offer-desc {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 300;
  color: #888;
  line-height: 1.8;
}

.offer-details {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.offer-cta {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.65rem 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
  background: transparent;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  align-self: flex-start;
}

.offer-cta:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #0a0a0a;
}

/* -- Contact -- */
#contact {
  background-color: var(--black);
  padding: 80px 3rem 100px;
}

.contact-subtitle {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 300;
  color: #888;
  text-align: center;
  margin-bottom: 3rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.form-field {
  width: 100%;
  background: #111;
  border: 1px solid #2a2a2a;
  border-radius: 0;
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 300;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
}

.form-field::placeholder {
  color: #444;
}

.form-field:focus {
  border-color: var(--gold);
}

.form-textarea {
  height: 140px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: 0;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
  margin-top: 0.5rem;
}

.form-submit:hover {
  background: var(--white);
  color: #000;
}

.form-confirm {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--gold);
  text-align: center;
  opacity: 0;
  transition: opacity 0.5s ease;
  min-height: 1.2em;
}

.form-confirm.visible {
  opacity: 1;
}

.contact-divider {
  max-width: 520px;
  margin: 3rem auto 1.75rem;
  border-top: 1px solid #222;
}

.contact-ig {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 300;
  color: #555;
  text-align: center;
}

.contact-ig-link {
  color: var(--gold);
  text-decoration: none;
  transition: text-decoration 0.2s ease;
}

.contact-ig-link:hover {
  text-decoration: underline;
}

/* -- Footer -- */
#footer {
  background-color: var(--black);
  padding: 40px 3rem;
  border-top: 1px solid #111;
}

.footer-copy {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: #333;
  text-align: center;
}

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

  .offer-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 1.25rem 1.5rem;
  }

  .hero-title {
    font-size: 7.5vw;
    letter-spacing: 0.05em;
  }

  .hero-tagline {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  #portfolio {
    padding: 80px 1.5rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .portfolio-card.card-tall {
    grid-row: span 1;
    height: 260px;
  }

  #offer {
    padding: 60px 1.5rem;
  }

  .offer-card-inner {
    padding: 36px 24px;
  }
}