/* ============================================================
   MARTEC GLOBAL — styles.css
   Tokens from docs/brand-manual.md. Do not hardcode hex in components.
   ============================================================ */

:root {
  /* Brand */
  --navy-900:#0A2540; --navy-800:#0B3A66; --navy-700:#154B7A;
  --cyan-400:#00C2FF; --cyan-300:#5AD5FF; --blue-500:#2F80ED;
  /* Neutrals */
  --ink-900:#0F172A; --slate-500:#64748B; --slate-300:#CBD5E1;
  --surface-50:#F5F8FC; --white:#FFFFFF;
  /* Semantic (light default) */
  --bg:var(--white); --bg-alt:var(--surface-50);
  --text:var(--ink-900); --text-muted:var(--slate-500);
  --border:var(--slate-300); --card-bg:var(--white);
  --accent:var(--cyan-400); --accent-2:var(--blue-500);
  /* Gradients */
  --grad-brand:linear-gradient(135deg,#0A2540 0%,#0B3A66 60%,#154B7A 100%);
  --grad-accent:linear-gradient(90deg,#00C2FF 0%,#2F80ED 100%);
  /* Shape */
  --radius-sm:8px; --radius:14px; --radius-lg:24px;
  --shadow:0 10px 30px rgba(10,37,64,.12);
  --shadow-lg:0 20px 50px rgba(10,37,64,.18);
  --container:1200px;
  /* Type */
  --font-display:'Sora','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
}

:root[data-theme="dark"]{
  --bg:var(--navy-900); --bg-alt:#08203a;
  --text:#EAF2FB; --text-muted:#9DB2C9;
  --border:#1d3a5c; --card-bg:var(--navy-800);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:var(--navy-900); --bg-alt:#08203a;
    --text:#EAF2FB; --text-muted:#9DB2C9;
    --border:#1d3a5c; --card-bg:var(--navy-800);
  }
}

*,*::before,*::after{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--font-body);color:var(--text);background:var(--bg);
  line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-display);line-height:1.1;letter-spacing:-.01em}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(1rem,5vw,2rem)}
.eyebrow{font-family:var(--font-mono);font-size:.8125rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.75rem}

.skip-link{position:absolute;left:-999px;top:0;background:var(--navy-900);color:#fff;
  padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) 0;z-index:100}
.skip-link:focus{left:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-body);font-weight:600;font-size:1rem;line-height:1;
  padding:.85rem 1.5rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn--sm{padding:.6rem 1.1rem;font-size:.9rem}
.btn--lg{padding:1rem 1.9rem;font-size:1.05rem}
.btn--primary{background:var(--grad-accent);color:var(--navy-900)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,194,255,.35)}
.btn--ghost{background:transparent;border-color:currentColor;color:var(--text)}
.section--dark .btn--ghost,.hero .btn--ghost{color:#fff}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:none;
  box-shadow:0 0 0 3px rgba(0,194,255,.45);border-radius:8px}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;transition:background .3s ease,box-shadow .3s ease}
.nav.is-scrolled{background:color-mix(in srgb,var(--navy-900) 92%,transparent);
  backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav__inner{display:flex;align-items:center;gap:1.5rem;height:72px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand__mark{border-radius:12px;flex:none}
.brand__word{font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:.02em;color:#fff}
.nav.is-scrolled .brand__word,.nav.is-scrolled .nav__links a,.nav.is-scrolled .lang__btn{color:#fff}
.brand__sub{font-family:var(--font-mono);font-weight:600;font-size:.62rem;letter-spacing:.35em;
  color:var(--accent);margin-left:.4rem;vertical-align:middle}
.nav__links{display:flex;gap:1.6rem;margin-left:auto;font-weight:500;font-size:.95rem}
.nav__links a{color:#fff;opacity:.85;transition:opacity .2s,color .2s}
.nav__links a:hover{opacity:1;color:var(--accent)}
.nav__actions{display:flex;align-items:center;gap:1rem}
.lang{display:flex;align-items:center;gap:.35rem;font-family:var(--font-mono);font-size:.8rem;color:rgba(255,255,255,.5)}
.lang__btn{background:none;border:none;cursor:pointer;font:inherit;color:rgba(255,255,255,.72);padding:.15rem .25rem}
.lang__btn[aria-pressed="true"]{color:var(--accent);font-weight:700}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.4rem}
.nav__toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.nav.is-scrolled .nav__toggle span{background:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-brand);color:#fff;overflow:hidden;
  padding:clamp(4rem,10vw,8rem) 0 clamp(4rem,9vw,7rem);margin-top:-72px;padding-top:calc(clamp(4rem,10vw,8rem) + 72px)}
.hero__bg{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 80% 10%,rgba(0,194,255,.28),transparent 60%),
    radial-gradient(500px 260px at 10% 90%,rgba(47,128,237,.22),transparent 60%);}
.hero__bg::after{content:"";position:absolute;inset:0;opacity:.5;
  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:44px 44px;-webkit-mask-image:radial-gradient(closest-side,#000,transparent);
  mask-image:radial-gradient(80% 80% at 60% 30%,#000,transparent)}
.hero__inner{position:relative;max-width:820px}
.hero .eyebrow{color:var(--cyan-300)}
.hero__title{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:700;margin-bottom:1.2rem}
.hero__lead{font-size:clamp(1.05rem,2vw,1.3rem);color:#cfe3f6;max-width:60ch;margin-bottom:2rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem}
.hero__chips{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;margin-top:2.5rem}
.hero__chips li{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.05em;
  border:1px solid rgba(90,213,255,.4);color:var(--cyan-300);
  padding:.4rem .9rem;border-radius:999px}

/* ---------- Sections ---------- */
.section{padding:clamp(4rem,10vw,8rem) 0}
.section--dark{background:var(--navy-900);color:#fff}
.section--dark .section__head h2{color:#fff}
.section__head{max-width:680px;margin-bottom:3rem}
.section__head h2{font-size:clamp(1.75rem,3.2vw,2.6rem);font-weight:600}

.grid{display:grid;gap:1.5rem}
.grid--3{grid-template-columns:repeat(3,1fr)}

/* ---------- Cards ---------- */
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.75rem;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.card__icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:rgba(0,194,255,.12);color:var(--accent);margin-bottom:1.1rem}
.card h3{font-size:1.15rem;margin-bottom:.5rem}
.card p{color:var(--text-muted);font-size:.97rem}

/* ---------- Steps ---------- */
.steps{margin-bottom:2.5rem}
.step{border:1px solid var(--navy-700);border-radius:var(--radius);padding:1.75rem;background:rgba(255,255,255,.02)}
.step__n{font-family:var(--font-mono);font-size:1.6rem;font-weight:600;color:var(--cyan-300)}
.step h3{margin:.6rem 0 .5rem;font-size:1.25rem;color:#fff}
.step p{color:#b9cde3;font-size:.97rem}
.pills{list-style:none;display:flex;flex-wrap:wrap;gap:.7rem}
.pills li{border:1px solid rgba(90,213,255,.35);color:var(--cyan-300);
  padding:.5rem 1rem;border-radius:999px;font-size:.9rem;font-weight:500}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center}
.about__text h2{font-size:clamp(1.75rem,3vw,2.4rem);font-weight:600;margin:.5rem 0 1rem}
.about__text p{color:var(--text-muted);margin-bottom:1rem;max-width:56ch}
.about__text .btn{margin-top:.5rem}
.about__stats{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.stat{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem}
.stat__k{display:block;font-family:var(--font-display);font-weight:700;font-size:1.8rem;color:var(--accent)}
.stat__l{color:var(--text-muted);font-size:.9rem}

/* ---------- CTA ---------- */
.cta{background:var(--grad-brand);color:#fff;text-align:center}
.cta__inner{max-width:640px;margin-inline:auto}
.cta h2{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:700;margin-bottom:.8rem}
.cta p{color:#cfe3f6;margin-bottom:2rem}
.cta__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.cta__meta{margin-top:1.6rem;font-family:var(--font-mono);font-size:.85rem;color:var(--cyan-300)}

/* ---------- Footer ---------- */
.footer{background:var(--navy-900);color:#cdd9e8;padding:3rem 0 1.5rem}
.footer__inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;
  padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer__word{color:#fff;font-size:1.1rem}
.footer__tag{color:#8ea6c2;font-size:.9rem;margin-top:.5rem;max-width:40ch}
.footer__links{display:flex;gap:1.4rem;font-size:.95rem}
.footer__links a{color:#cdd9e8;opacity:.85}
.footer__links a:hover{color:var(--accent);opacity:1}
.footer__legal{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding-top:1.2rem;font-size:.82rem;color:#7f97b4}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid--3{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr}
  .nav__links{position:fixed;inset:72px 0 auto 0;flex-direction:column;gap:0;
    background:var(--navy-900);padding:1rem clamp(1rem,5vw,2rem);
    transform:translateY(-120%);transition:transform .3s ease;box-shadow:var(--shadow-lg)}
  .nav__links.is-open{transform:translateY(0)}
  .nav__links a{color:#fff;padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__toggle{display:flex}
  .nav__actions .btn--sm{display:none}
}
@media (max-width:560px){
  .grid--3{grid-template-columns:1fr}
  .about__stats{grid-template-columns:1fr 1fr}
  .nav__links{margin-left:0}
}