*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:var(--fs-16);
  line-height:var(--lh-base);
  color:var(--fg);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
a{color:inherit;text-decoration:none}
:focus-visible{outline:0;box-shadow:var(--ring);border-radius:6px}
::selection{background:var(--accent);color:#fff}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:var(--lh-tight);letter-spacing:var(--ls-tight);margin:0}
h1{font-size:var(--fs-hero)}
h2{font-size:var(--fs-56)}
h3{font-size:var(--fs-32)}
h4{font-size:var(--fs-24)}
p{margin:0 0 var(--sp-4)}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(1.4rem,5vw,3rem)}
.container-wide{max-width:var(--container-wide)}
.section{padding-block:var(--section-pad);position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--font-display);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600}
.eyebrow::before{content:"";width:32px;height:1.5px;background:currentColor;display:inline-block;border-radius:1px}
.gradient-text{background:linear-gradient(120deg,var(--c-cyan-deep) 0%,var(--c-cyan) 40%,var(--c-navy) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
:root[data-theme="dark"] .gradient-text{background:linear-gradient(120deg,var(--c-cyan-bright),var(--c-cyan) 40%,#FFF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1.08rem,1.4vw,1.3rem);color:var(--fg-muted);max-width:62ch;line-height:1.6}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(11,37,69,.14);border-radius:8px}
:root[data-theme="dark"] ::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12)}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

.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}

/* Reveal helper */
.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.10s}
.reveal[data-delay="2"]{transition-delay:.20s}
.reveal[data-delay="3"]{transition-delay:.30s}
.reveal[data-delay="4"]{transition-delay:.40s}

/* ============ PAGE INTRO (nautical loader) ============ */
.page-intro{
  position:fixed;inset:0;z-index:var(--z-intro);
  background:linear-gradient(180deg,#F6F9FC 0%,#DDE5F0 100%);
  display:grid;place-items:center;overflow:hidden;
  transition:opacity .9s ease,visibility .9s;
}
:root[data-theme="dark"] .page-intro{background:linear-gradient(180deg,#02060F 0%,#0B2545 100%)}
.page-intro.gone{opacity:0;visibility:hidden;pointer-events:none}
.page-intro__stage{position:relative;width:min(560px,86vw);height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.page-intro__brand{display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--c-navy);position:relative;z-index:3;padding:0 2rem;background:linear-gradient(180deg,#F6F9FC 60%,rgba(246,249,252,0))}
:root[data-theme="dark"] .page-intro__brand{color:#E8EEF7}
.page-intro__line{width:0;height:2px;background:linear-gradient(90deg,transparent,var(--c-cyan),transparent);animation:piLine 1.6s var(--ease-out) .2s forwards}
@keyframes piLine{to{width:240px}}
.page-intro__tag{font-family:var(--font-display);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:#4A5872;opacity:0;animation:piFade .8s ease 1.1s forwards}
:root[data-theme="dark"] .page-intro__tag{color:#95A3B8}
@keyframes piFade{to{opacity:1}}
.page-intro__ship{position:absolute;left:-260px;top:54%;transform:translateY(-50%);animation:piSail 4.2s var(--ease-out) .4s forwards;filter:drop-shadow(0 6px 14px rgba(11,37,69,.15));z-index:1}
@keyframes piSail{
  0%{left:-260px;opacity:0}
  20%{opacity:1}
  100%{left:calc(100% + 60px);opacity:1}
}
.page-intro__smoke{transform-origin:170px 14px;animation:piSmoke 1.6s ease-in-out infinite}
@keyframes piSmoke{0%,100%{opacity:.55;transform:translateY(0)}50%{opacity:.25;transform:translateY(-3px)}}
.page-intro__sea{position:absolute;left:0;right:0;bottom:0;width:100%;height:160px;z-index:0}
.page-intro__wave{transform-origin:center}
.page-intro__wave.wave1{animation:piWave1 3.2s ease-in-out infinite}
.page-intro__wave.wave2{animation:piWave2 4.4s ease-in-out infinite reverse}
@keyframes piWave1{0%,100%{transform:translateX(0)}50%{transform:translateX(-30px)}}
@keyframes piWave2{0%,100%{transform:translateX(0)}50%{transform:translateX(-50px)}}

/* ============ NAV ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);transition:background var(--dur-2) var(--ease-out),backdrop-filter var(--dur-2),border-color var(--dur-2),box-shadow var(--dur-2)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding-block:1.25rem;gap:1.5rem}
.nav.scrolled{background:var(--nav-bg);backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid var(--border);box-shadow:0 4px 24px rgba(11,37,69,.05)}
:root[data-theme="dark"] .nav.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.4)}
.nav__logo{display:flex;align-items:center;gap:.7rem;color:var(--c-navy)}
:root[data-theme="dark"] .nav__logo{color:#E8EEF7}
.nav__logo svg, .nav__logo img{height:38px;width:auto}
.nav__links{display:flex;align-items:center;gap:2.2rem;list-style:none;margin:0;padding:0}
.nav__links a{position:relative;font-size:.94rem;font-weight:500;color:var(--c-navy);padding:.4rem .1rem;transition:color var(--dur-1);letter-spacing:.005em}
:root[data-theme="dark"] .nav__links a{color:#E8EEF7}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:2px;background:var(--accent);transition:right var(--dur-2) var(--ease-out);border-radius:2px}
.nav__links a:hover{color:var(--accent)} .nav__links a:hover::after{right:0}
.nav__cta{display:flex;align-items:center;gap:.65rem}
.nav__toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border-strong);align-items:center;justify-content:center;color:var(--c-navy)}
:root[data-theme="dark"] .nav__toggle{color:#E8EEF7}
@media (max-width:920px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav__cta .btn:not(.btn--icon):not(.nav__toggle){display:none}
  .nav__cta .lang-toggle{padding:.4rem .65rem;font-size:.7rem}
  .nav__cta .theme-toggle{width:40px;height:40px}
}

.lang-toggle,.theme-toggle{display:inline-flex;align-items:center;gap:.3rem;border:1px solid var(--border-strong);background:transparent;padding:.5rem .8rem;border-radius:var(--radius-pill);font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--c-navy);transition:border-color var(--dur-1),background var(--dur-1),color var(--dur-1)}
:root[data-theme="dark"] .lang-toggle,:root[data-theme="dark"] .theme-toggle{color:#E8EEF7}
.lang-toggle:hover,.theme-toggle:hover{border-color:var(--accent);background:rgba(27,156,232,.08);color:var(--accent)}
.theme-toggle{width:44px;height:44px;padding:0;justify-content:center;border-radius:50%}
.theme-toggle svg{width:18px;height:18px}
:root[data-theme="light"] .theme-toggle .ic-sun{display:none}
:root[data-theme="dark"] .theme-toggle .ic-moon{display:none}

/* Mobile typography boost */
@media (max-width:680px){
  h1{font-size:clamp(2.4rem,11vw,3.6rem)}
  h2{font-size:clamp(2rem,8vw,2.8rem)}
  .lead{font-size:1.02rem}
  .container{padding-inline:1.4rem}
  .section{padding-block:clamp(3.6rem,10vw,5rem)}
}