/**
 * Responsive layout — all screen sizes
 * Breakpoints: 320, 375, 414 (small), 768 (tablet), 1024 (desktop), 1280+
 * RTL-safe: use logical properties where possible (margin-inline, padding-inline, start/end).
 */

/* ─── Header: single bar (Menu + logo + links + language), Apple-style ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
/* Hide nav while hero/slideshow is in view; show after scroll past */
.site-header.header-hidden {
  transform: translateY(-100%);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 2rem 1rem 2.5rem;
  min-height: 5.5rem; /* so scroll-margin-top matches; content not cut behind bar */
  background: rgba(13, 13, 11, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav-bar.s {
  background: rgba(13, 13, 11, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.nav-bar .nlogo {
  color: var(--ink, #fafaf8);
  font-size: 1.05rem;
  margin-right: auto;
}
.nav-bar .nlinks {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-bar .nlinks a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-bar .nlinks a:hover {
  color: #fff;
}
.nav-bar .ncta {
  padding: 0.45rem 1rem;
  border: 1px solid rgba(196, 154, 74, 0.6);
  border-radius: 980px;
  color: var(--gold2);
  font-size: 0.75rem;
}
.nav-bar .ncta:hover {
  background: rgba(196, 154, 74, 0.15);
  border-color: var(--gold2);
  color: #fff;
}
.nav-locale select {
  padding: 0.4rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.8rem;
  cursor: pointer;
  min-width: 7rem;
}
.nav-locale select:hover,
.nav-locale select:focus {
  border-color: rgba(196, 154, 74, 0.5);
  outline: none;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Utils bar (only on inner pages: locale only, no theme) */
.tradcom-utils {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(13, 13, 11, 0.8);
  backdrop-filter: saturate(180%) blur(16px);
  border-left: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  border-radius: 0 0 0 10px;
}
.tradcom-utils .tradcom-locale select {
  padding: 0.35rem 0.5rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 0.8rem;
  min-width: 6rem;
}

/* Nav toggle: hamburger, show only on small screens */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.5rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px;
  background: transparent;
  color: rgba(255,255,255,.9);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-toggle:hover {
  border-color: rgba(255,255,255,.4);
  background: rgba(255,255,255,.06);
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
#nav.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#nav.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
#nav.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Small layout: top nav becomes hamburger menu (match inline breakpoint 960px)
   Spacing follows iOS/Apple.com: 44px min tap targets, generous padding */
@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .nav-bar .nav-toggle { order: -1; margin-right: 0; }
  .nav-bar .nlogo { margin-right: 0; }
  /* Collapse nav links + locale into hamburger dropdown */
  .nav-bar {
    flex-wrap: wrap;
    padding: 1rem 1.5rem;
  }
  .nav-bar .nlinks {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,255,255,.12);
    order: 10;
  }
  #nav.is-open .nlinks { display: flex !important; }
  /* Apple-style: min 44px tap target, comfortable padding (iOS HIG) */
  .nav-bar .nlinks li {
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .nav-bar .nlinks li:last-child {
    border-bottom: none;
  }
  .nav-bar .nlinks a {
    display: block;
    padding: 1rem 0;
    min-height: 2.75rem;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.35;
    color: rgba(255,255,255,.92);
    -webkit-tap-highlight-color: transparent;
  }
  .nav-bar .nlinks a:hover,
  .nav-bar .nlinks a:active {
    color: #fff;
  }
  .nav-bar .nav-locale {
    display: none;
    width: 100%;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,.12);
    order: 11;
  }
  #nav.is-open .nav-locale { display: block !important; }
  .nav-bar .nav-locale select {
    width: 100%;
    max-width: 100%;
    min-height: 2.75rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
}

/* ─── Base: small phones (320px+) ─── */
@media (max-width: 479px) {
  /* Nav: stack or hamburger; reduce padding */
  #nav {
    padding: 1rem 1.25rem !important;
    flex-wrap: wrap;
  }
  .nlinks {
    width: 100%;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
    display: none;
  }
  #nav.is-open .nlinks { display: flex; }
  .nlogo { font-size: 1rem; }

  /* Hero: full height, smaller type */
  .hero { min-height: 100vh; min-height: 100dvh; }
  .hero-word-wrap .hword { font-size: clamp(1.8rem, 8vw, 2.5rem); }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 1rem; padding: 0 1.25rem 2rem; }
  .hero-tagline { font-size: 0.7rem; line-height: 1.5; }
  .hero-btns { flex-wrap: wrap; }

  /* Ticker: smaller text */
  .ticker { padding: 0.5rem 0; }
  .ti { font-size: 0.7rem; }

  /* Intro: single column */
  .intro {
    grid-template-columns: 1fr !important;
    padding: 3rem 1.25rem !important;
    gap: 2rem;
  }
  .intro-left, .intro-right { max-width: 100%; }
  .intro-big { font-size: 1.5rem; }
  .intro-nums { gap: 1.5rem; }

  /* Vessel: full width video */
  .vessel-header { padding: 3rem 1.25rem !important; flex-direction: column; gap: 1rem; }
  .vessel-header-r { max-width: 100%; }
  .vessel-video { padding: 0 1.25rem 2rem; aspect-ratio: 16/9; }
  .vessel-video iframe,
  .vessel-video video { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
  .vessel-caption { padding: 1rem 1.25rem; flex-direction: column; align-items: flex-start; }

  /* Products */
  .prod-header { padding: 3rem 1.25rem 2rem !important; flex-direction: column; align-items: flex-start !important; gap: 1rem; }
  .prod-header-r { max-width: 100%; }
  .psec { grid-template-columns: 1fr !important; min-height: auto; }
  .psec-body { padding: 2rem 1.25rem !important; }
  .psec-photogrid { grid-template-columns: 1fr; grid-template-rows: auto; min-height: 200px; }
  .vessel-strip { grid-template-columns: 1fr 1fr; }
  .vs-img { height: 140px; }

  /* Markets */
  .markets { padding: 3rem 1.25rem !important; }
  .markets-grid { grid-template-columns: 1fr; }
  .cstrip { padding: 0.6rem 0; font-size: 0.75rem; }

  /* Strength */
  .strength { padding: 3rem 1.25rem !important; flex-direction: column; gap: 1.5rem; }
  .sgrid { grid-template-columns: 1fr; }
  .scard { padding: 2rem 1.25rem; }

  /* Quote */
  .qbreak { padding: 3rem 1.25rem !important; }
  .qbreak blockquote { font-size: 1.4rem; }

  /* Contact */
  .contact { padding: 3rem 1.25rem !important; }
  .contact-grid { grid-template-columns: 1fr; }

  /* Footer */
  .ft { flex-direction: column; gap: 2rem; padding: 2rem 1.25rem !important; text-align: center; }
  .fcols { flex-direction: column; align-items: center; }
  .fb { flex-direction: column; gap: 0.5rem; text-align: center; padding: 1rem 1.25rem; }

  /* Utility bar (locale + theme) */
  .tradcom-utils { flex-wrap: wrap; padding: 0.5rem 1rem; gap: 0.5rem; }
  .tradcom-locale select { min-width: 100px; font-size: 0.8rem; }
}

/* ─── Large phones (480px – 767px) ─── */
@media (min-width: 480px) and (max-width: 767px) {
  #nav { padding: 1.2rem 2rem !important; }
  .intro { padding: 4rem 2rem !important; }
  .vessel-header { padding: 4rem 2rem !important; }
  .vessel-video { padding: 0 2rem 2rem; }
  .prod-header { padding: 4rem 2rem 2.5rem !important; }
  .psec-body { padding: 2.5rem 2rem !important; }
  .markets { padding: 4rem 2rem !important; }
  .strength { padding: 4rem 2rem !important; }
  .qbreak { padding: 4rem 2rem !important; }
  .contact { padding: 4rem 2rem !important; }
  .ft { padding: 2.5rem 2rem !important; }
}

/* ─── Tablet (768px – 1023px) ─── */
@media (min-width: 768px) and (max-width: 1023px) {
  #nav { padding: 1.3rem 3rem !important; }
  .intro { padding: 5rem 3rem !important; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
  .vessel-header { padding: 5rem 3rem !important; }
  .prod-header { padding: 5rem 3rem 3rem !important; }
  .psec { min-height: 480px; }
  .psec-body { padding: 3rem 3rem !important; }
  .markets { padding: 5rem 3rem !important; }
  .strength { padding: 5rem 3rem !important; }
  .sgrid { grid-template-columns: repeat(2, 1fr); }
  .qbreak { padding: 5rem 3rem !important; }
  .contact { padding: 5rem 3rem !important; }
  .ft { padding: 2.5rem 3rem !important; }
}

/* ─── YouTube / iframe: responsive at all sizes ─── */
.vessel-video {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--ink);
}
.vessel-video iframe,
.vessel-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}
@supports not (aspect-ratio: 16/9) {
  .vessel-video { padding-bottom: 56.25%; height: 0; }
}

/* ─── Desktop 1024+ ─── */
@media (min-width: 1024px) {
  /* Additional desktop overrides if needed */
}

/* ─── RTL: flip margins/padding where needed ─── */
[dir="rtl"] .ey::before { margin-right: 0; margin-left: 0.8rem; }
[dir="rtl"] .prod-item:hover { padding-left: 0; padding-right: 0.5rem; }
[dir="rtl"] .scard::before { left: auto; right: 0; }
[dir="rtl"] .rcard::after { transform-origin: right; }