@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Oswald:ital,wght@0,300;0,600;1,300&display=swap');

:root {
  --ink:        #0E1412;  /* near-black green, page background */
  --ink-2:      #16211C;  /* cards, elevated surfaces */
  --ink-3:      #1F2D26;  /* borders, dividers */
  --gold:       #C9972E;  /* primary accent */
  --gold-light: #EFD98A;  /* gradient highlight */
  --gold-dark:  #8C6516;  /* gradient shadow */
  --cream:      #F5F1E8;  /* primary text */
  --cream-dim:  #A9A79E;  /* secondary text */
  --error:      #e57373;  /* form error */
  --error-dim:  #ef9a9a;  /* form error link */
}

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

html {
  background-color: var(--ink);
  color: var(--cream);
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  -webkit-tap-highlight-color: transparent;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 1rem 0;
}

p {
  margin: 0 0 1rem 0;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 250ms ease-out;
}

a:hover {
  color: var(--gold-light);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 4px;
}

.gold-gradient-text {
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold-dark), var(--gold-light) 45%, var(--gold) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* HEADER & NAV */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: env(safe-area-inset-top) 0 0;
  transition: background-color 300ms ease-out, backdrop-filter 300ms ease-out, border-bottom 300ms ease-out;
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background-color: rgba(14, 20, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-3);
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__logo {
  display: flex;
  align-items: center;
  z-index: 101;
}

.header__logo img {
  height: 48px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.header__nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.header__nav-link {
  color: var(--cream);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 200ms ease-out;
}

.header__nav-link:hover {
  color: var(--gold);
}

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--ink-3);
  border-radius: 4px;
  overflow: hidden;
  z-index: 101;
}

.lang-btn {
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cream-dim);
  background-color: var(--ink-2);
  transition: all 200ms ease-out;
}

.lang-btn.is-active {
  color: var(--ink);
  background-color: var(--gold);
}

.lang-btn:hover:not(.is-active) {
  color: var(--cream);
  background-color: var(--ink-3);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 101;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--cream);
  transition: transform 300ms ease-out, opacity 300ms ease-out;
}

.header.menu-open .mobile-menu-btn span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header.menu-open .mobile-menu-btn span:nth-child(2) {
  opacity: 0;
}
.header.menu-open .mobile-menu-btn span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .header__inner {
    padding: 1rem 1.5rem;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .header__nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: var(--ink);
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 300ms ease-out, visibility 300ms ease-out;
    z-index: 100;
    padding: 2rem;
    margin-left: 0;
  }
  .header.menu-open .header__nav {
    opacity: 1;
    visibility: visible;
  }
  .header__nav-links {
    flex-direction: column;
    gap: 2rem;
  }
  .header__nav-link {
    font-size: 1.5rem;
  }
  .header .lang-toggle {
    z-index: 101;
    margin-left: auto;
  }
}

/* SECTIONS */
section {
  padding: 6rem 2rem;
  scroll-margin-top: 80px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Opening text + primary button */
.opening__content h1 {
  font-size: clamp(2.25rem, 3.5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.opening__tagline {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  letter-spacing: 0.15em;
  color: var(--cream-dim);
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  background-color: var(--gold);
  color: var(--ink);
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 4px;
  font-size: 1rem;
  min-height: 48px;
  transition: background-color 200ms ease-out, transform 200ms ease-out;
}

.btn-primary:hover {
  background-color: var(--gold-light);
  transform: translateY(-2px);
  color: var(--ink);
}

.btn-primary:active {
  transform: translateY(0);
}

/* SECTION TITLES */
.section-title {
  font-size: clamp(2rem, 3vw, 2.5rem);
  text-align: center;
  margin-bottom: 4rem;
}
.section-title.left {
  text-align: left;
  margin-bottom: 2rem;
}

/* Lightbox (Native Dialog) */
#lightbox {
  background: rgba(14, 20, 18, 0.95);
  border: none;
  padding: 0;
  max-width: 100vw;
  max-height: 100dvh;
  width: 100vw;
  height: 100dvh;
  margin: 0;
}

#lightbox::backdrop {
  background: rgba(14, 20, 18, 0.95);
  backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem 2rem;
}

.lightbox-img-wrapper {
  position: relative;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  justify-content: center;
}

.lightbox-img-wrapper img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

#lightbox-caption {
  margin-top: 1.5rem;
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-size: 1.25rem;
  color: var(--cream);
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--cream);
  background: var(--ink-2);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--ink-3);
  transition: background-color 200ms ease;
  z-index: 10;
}

.lightbox-close:hover {
  background: var(--ink-3);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cream);
  background: var(--ink-2);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--ink-3);
  transition: background-color 200ms ease;
  z-index: 10;
}
.lightbox-nav:hover { background: var(--ink-3); }
.lightbox-nav.prev { left: 1.5rem; }
.lightbox-nav.next { right: 1.5rem; }

@media (max-width: 640px) {
  .lightbox-nav { display: none; } /* rely on swipe or just close on mobile, or keep arrows small */
}

/* FOOTER */
.footer {
  background-color: var(--ink-2);
  border-top: 1px solid var(--ink-3);
  padding: 4rem 2rem;
  padding-bottom: calc(4rem + env(safe-area-inset-bottom));
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer-logo {
  height: 40px;
  width: auto;
}
.footer-tagline {
  color: var(--cream-dim);
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.1em;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.footer-socials a {
  color: var(--cream-dim);
}
.footer-socials a:hover {
  color: var(--gold);
}
.footer-socials svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.footer-bottom {
  display: flex;
  align-items: center;
  gap: 2rem;
  color: var(--cream-dim);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-left, .footer-right {
    align-items: center;
  }
}

/* Section divider lines for visual rhythm */
.section-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  margin: 0 auto 3rem;
  border: none;
}
.section-title.left ~ .section-divider,
.section-divider.left {
  margin-left: 0;
}

@media (max-width: 380px) {
  .opening__content h1 { font-size: 2.25rem; }
  section { padding: 4rem 1rem; }
}