/* ==========================================================================
   SEVEN SEAS FORWARDERS LDA — Core stylesheet
   Layer on top of Tailwind. Plain CSS only (no build step required).
   ========================================================================== */

:root {
  --ssf-blue: #008ed6;
  --ssf-blue-dark: #0077b6;
  --ssf-navy: #0b1f35;
  --ssf-navy-deep: #061525;
  --ssf-silver: #6b7280;
  --ssf-header-h: 84px;
}

/* --------------------------------------------------------- base ---------- */

/* overflow-x lives on BOTH html and body: setting it on body alone makes the
   body a scroll container and leaves the document a scrollbar-width wider
   than the viewport. */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--ssf-header-h);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  width: 100%;
}

::selection {
  background: var(--ssf-blue);
  color: #fff;
}

/* Visible, on-brand focus ring for keyboard users only. */
:focus-visible {
  outline: 3px solid var(--ssf-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ssf-navy);
  color: #fff;
  padding: 14px 22px;
  font-weight: 600;
  border-radius: 0 0 10px 0;
}
.skip-link:focus {
  left: 0;
}

/* Custom scrollbar (desktop only, purely cosmetic). */
@media (pointer: fine) {
  ::-webkit-scrollbar { width: 11px; height: 11px; }
  ::-webkit-scrollbar-track { background: #eef2f6; }
  ::-webkit-scrollbar-thumb {
    background: #c2ccd6;
    border-radius: 99px;
    border: 3px solid #eef2f6;
  }
  ::-webkit-scrollbar-thumb:hover { background: var(--ssf-blue); }
}

/* ------------------------------------------------- typography helpers ---- */

.display {
  font-family: 'Manrope', ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.028em;
  font-weight: 800;
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.text-balance { text-wrap: balance; }
.text-pretty  { text-wrap: pretty; }

.gradient-text {
  background: linear-gradient(100deg, #ffffff 0%, #bfe6ff 45%, var(--ssf-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Thin rule used above section titles. */
.rule-accent {
  display: inline-block;
  width: 44px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--ssf-blue), rgba(0, 142, 214, 0.15));
}

/* --------------------------------------------------------- header -------- */

#site-header {
  transition: background-color .35s ease, box-shadow .35s ease,
              backdrop-filter .35s ease, border-color .35s ease;
}

#site-header.is-stuck {
  background-color: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(11, 31, 53, .08), 0 10px 40px -18px rgba(11, 31, 53, .35);
}

/* The header floats over the dark hero, so its content starts light and
   flips to navy once the bar gains its solid background. */
#site-header .brand-name,
#site-header .nav-link:hover,
#site-header .nav-link.is-active { color: #fff; }

#site-header .brand-sub { color: rgba(255, 255, 255, .5); }
#site-header .nav-link  { color: rgba(255, 255, 255, .78); }

#site-header .burger-btn {
  color: #fff;
  border-color: rgba(255, 255, 255, .28);
  background-color: rgba(255, 255, 255, .08);
}
#site-header .lang-compact .lang-btn { color: rgba(255, 255, 255, .7); }

#site-header.is-stuck .brand-name { color: var(--ssf-navy); }
#site-header.is-stuck .brand-sub  { color: var(--ssf-silver); }
#site-header.is-stuck .nav-link   { color: #12283F; }
#site-header.is-stuck .nav-link:hover,
#site-header.is-stuck .nav-link.is-active { color: var(--ssf-blue-dark); }
#site-header.is-stuck .burger-btn {
  color: var(--ssf-navy);
  border-color: #C3D0DE;
  background-color: rgba(255, 255, 255, .9);
}
#site-header.is-stuck .lang-compact .lang-btn { color: var(--ssf-silver); }

#site-header .brand-name,
#site-header .brand-sub,
#site-header .nav-link,
#site-header .burger-btn,
#site-header .lang-compact .lang-btn {
  transition: color .35s ease, border-color .35s ease, background-color .35s ease;
}

/* Active language pill keeps its blue fill in both header states. */
#site-header .lang-compact .lang-btn.is-active { color: #fff; }

/* Animated underline on desktop nav links. */
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--ssf-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s cubic-bezier(.4, 0, .2, 1);
}
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }

/* Mobile drawer */
#mobile-drawer {
  transition: transform .45s cubic-bezier(.16, 1, .3, 1), opacity .3s ease;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
}
#mobile-drawer.is-open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}
#mobile-backdrop {
  transition: opacity .35s ease, visibility .35s ease;
  opacity: 0;
  visibility: hidden;
}
#mobile-backdrop.is-open { opacity: 1; visibility: visible; }

/* Hamburger → X */
.burger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .32s cubic-bezier(.16,1,.3,1), opacity .2s ease, width .32s ease;
}
.burger span:nth-child(1) { width: 22px; }
.burger span:nth-child(2) { width: 16px; }
.burger span:nth-child(3) { width: 22px; }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); width: 22px; }

/* Scroll progress bar */
#scroll-progress {
  transform-origin: 0 50%;
  transform: scaleX(0);
  will-change: transform;
}

/* --------------------------------------------------------- hero ---------- */

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.6s ease-in-out;
  will-change: opacity, transform;
}
.hero-slide.is-active {
  opacity: 1;
  animation: kenburns 16s ease-out forwards;
}

@keyframes kenburns {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to   { transform: scale(1.14) translate3d(-1.2%, -1%, 0); }
}

/* Fine diagonal texture over hero photography → adds "engineered" feel. */
.hero-mesh {
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 1px, transparent 1px 46px);
}

/* Slide indicator bars */
.hero-dot {
  height: 3px;
  width: 34px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .3);
  overflow: hidden;
  position: relative;
}
.hero-dot i {
  position: absolute;
  inset: 0;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
}
.hero-dot.is-active i { animation: dotfill 7s linear forwards; }
@keyframes dotfill { to { transform: scaleX(1); } }

/* ------------------------------------------------------ reveal ----------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal='left']  { transform: translateX(-32px); }
[data-reveal='right'] { transform: translateX(32px); }
[data-reveal='zoom']  { transform: scale(.96); }

/* --------------------------------------------------- marquee ------------- */

.marquee { display: flex; width: max-content; animation: marquee 42s linear infinite; }
.marquee:hover { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

.marquee-mask {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

/* --------------------------------------------------- cards --------------- */

.svc-card { transition: transform .5s cubic-bezier(.16,1,.3,1), box-shadow .5s ease; }
.svc-card:hover { transform: translateY(-8px); }
.svc-card .svc-media img {
  transition: transform 1s cubic-bezier(.16,1,.3,1), filter .6s ease;
}
.svc-card:hover .svc-media img { transform: scale(1.09); }

/* Sliding blue sheet that reveals from the bottom of a service card. */
.svc-card .svc-sheet {
  transform: translateY(100%);
  transition: transform .55s cubic-bezier(.16,1,.3,1);
}
.svc-card:hover .svc-sheet,
.svc-card:focus-within .svc-sheet { transform: translateY(0); }

.industry-tile img { transition: transform 1.1s cubic-bezier(.16,1,.3,1); }
.industry-tile:hover img { transform: scale(1.1); }

/* Thin gradient hairline used as a card top-border on hover. */
.hairline-top::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ssf-blue), #63c6fa);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s cubic-bezier(.16,1,.3,1);
}
.hairline-top:hover::before { transform: scaleX(1); }

/* ---------------------------------------------------- globe -------------- */

.globe-ring { transform-origin: 300px 300px; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.hub { transform-box: fill-box; transform-origin: center; }
.hub-pulse { animation: hubpulse 2.8s ease-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes hubpulse {
  0%   { transform: scale(.4); opacity: .85; }
  70%  { transform: scale(3.2); opacity: 0; }
  100% { transform: scale(3.2); opacity: 0; }
}

.arc {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: draw 5s ease-in-out infinite;
}
.arc-2 { animation-delay: .9s; }
.arc-3 { animation-delay: 1.8s; }
.arc-4 { animation-delay: 2.7s; }
@keyframes draw {
  0%   { stroke-dashoffset: 300; opacity: 0; }
  15%  { opacity: 1; }
  55%  { stroke-dashoffset: 0; opacity: 1; }
  85%  { stroke-dashoffset: -300; opacity: 0; }
  100% { stroke-dashoffset: -300; opacity: 0; }
}

/* -------------------------------------------------- timeline ------------- */

.tl-step .tl-dot { transition: background-color .5s ease, box-shadow .5s ease, transform .5s ease; }
.tl-step.is-done .tl-dot {
  background-color: var(--ssf-blue);
  box-shadow: 0 0 0 6px rgba(0, 142, 214, .16);
  transform: scale(1.12);
}
.tl-step.is-current .tl-dot {
  background-color: #fff;
  border-color: var(--ssf-blue);
  box-shadow: 0 0 0 7px rgba(0, 142, 214, .2);
}
.tl-line-fill { transition: width 1.1s cubic-bezier(.16,1,.3,1), height 1.1s cubic-bezier(.16,1,.3,1); }

/* ----------------------------------------------------- forms ------------- */

.field {
  transition: border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.field:focus {
  outline: none;
  border-color: var(--ssf-blue);
  box-shadow: 0 0 0 4px rgba(0, 142, 214, .14);
}
.field[aria-invalid='true'] {
  border-color: #dc2626;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, .12);
}

select.field {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 2.75rem;
}

/* ------------------------------------------------------ misc ------------- */

.btn-sheen { position: relative; overflow: hidden; }
.btn-sheen::after {
  content: '';
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-18deg);
  transition: left .7s cubic-bezier(.16,1,.3,1);
}
.btn-sheen:hover::after { left: 130%; }

#to-top {
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
}
#to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

.lang-btn.is-active {
  background: var(--ssf-blue);
  color: #fff;
}

details.faq > summary { list-style: none; cursor: pointer; }
details.faq > summary::-webkit-details-marker { display: none; }
details.faq[open] .faq-icon { transform: rotate(45deg); }
.faq-icon { transition: transform .3s ease; }

/* Decorative container-stack pattern used behind stat blocks. */
.grid-lines {
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
}

.map-frame iframe { filter: grayscale(.35) contrast(1.05); transition: filter .5s ease; }
.map-frame:hover iframe { filter: none; }

/* --------------------------------------------- reduced motion ------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero-slide.is-active { animation: none; }
}

/* Print: strip chrome, keep the contact details readable. */
@media print {
  #site-header, #mobile-drawer, #mobile-backdrop, #to-top,
  #whatsapp-float, #scroll-progress, .no-print { display: none !important; }
  body { color: #000; }
  a[href^='http']::after { content: ' (' attr(href) ')'; font-size: .75em; }
}