/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root{
  --navy-900:#FFFFFF;   /* page background */
  --navy-800:#c9e0eb;   /* alt background */
  --panel-700:#FBFCFD;  /* card / panel surfaces */
  --panel-600:#EEF1F3;  /* elevated panel / hover */
  --line-700:#DEE3E8;   /* hairline borders, grid lines */

  --amber-500:#546779;  /* primary brand accent */
  --amber-400:#8294A7;  /* lighter brand accent */
  --teal-500:#3F6E72;   /* complementary slate-teal */
  --teal-400:#6FA39C;

  --text-100:#202A33;   /* primary text */
  --text-300:#4C5762;   /* secondary text */
  --text-500:#7C8791;   /* muted text */
  --text-700:#A9B1B8;   /* faint text */

  --ink-900:#FFFFFF;

  /* Typography */
  --font-display:'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body:'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  /* Layout */
  --container-w: 1200px;
  --header-h: 84px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Motion */
  --ease: cubic-bezier(.4,0,.2,1);
  --dur: .35s;
}

/* --------------------------------------------------------------------------
   2. RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after{ box-sizing:border-box; margin:0; padding:0; }
html{ 
  scroll-behavior:smooth; 
  overflow-x:hidden;
  width:100%;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}
body{
  background:var(--navy-900);
  color:var(--text-100);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  width:100%;
  position:relative;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button, input, textarea, select{ font:inherit; color:inherit; }
button{ cursor:pointer; background:none; border:none; }
h1,h2,h3,h4,h5{ font-family:var(--font-display); font-weight:700; line-height:1.15; letter-spacing:-0.01em; }
p{ 
  color:var(--text-300); 
  text-align: justify;
  text-justify: inter-word;
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--amber-500);
  outline-offset:3px;
  border-radius:2px;
}

/* --------------------------------------------------------------------------
   3. TYPE SCALE
   -------------------------------------------------------------------------- */
.h1{ font-size:clamp(2rem, 5vw, 4.2rem); }
.h2{ font-size:clamp(1.7rem, 3.6vw, 3rem); }
.h3{ font-size:clamp(1.25rem, 2.2vw, 1.9rem); }
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:0.85rem; letter-spacing:.16em;
  font-weight: 700;
  text-transform:uppercase; color:var(--amber-500);
  margin-bottom:16px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--amber-500); display:inline-block; }
.lede{ font-size:1.15rem; color:var(--text-300); max-width:640px; }

/* --------------------------------------------------------------------------
   4. LAYOUT / GRID UTILITIES
   -------------------------------------------------------------------------- */
.container{ width:100%; max-width:var(--container-w); margin-inline:auto; padding-inline:24px; }
.section{ padding-block:96px; position:relative; overflow:hidden; }
.section-tight{ padding-block:64px; position:relative; overflow:hidden; }

@media (max-width:768px){
  .section{ padding-block:56px; }
  .section-tight{ padding-block:36px; }
  .container{ padding-inline:16px; }
}

.grid{ display:grid; gap:32px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; gap:20px; }
}

.flex{ display:flex; }
.flex-between{ display:flex; align-items:center; justify-content:space-between; }
.flex-center{ display:flex; align-items:center; justify-content:center; }
.text-center{ text-align:center; margin-inline:auto; }

/* --------------------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 28px; font-family:var(--font-display); font-weight:600; font-size:.95rem;
  border-radius:var(--radius-sm); border:1px solid transparent; transition:all var(--dur) var(--ease);
  white-space:nowrap; text-align:center;
}
.btn-primary{ background:var(--amber-500); color:var(--ink-900); }
.btn-primary:hover{ background:var(--amber-400); transform:translateY(-2px); box-shadow:0 10px 24px rgba(95,116,136,.25); }
.btn-outline{ background:transparent; color:var(--text-100); border-color:var(--line-700); }
.btn-outline:hover{ border-color:var(--amber-500); color:var(--amber-500); }
.btn-sm{ padding:10px 20px; font-size:.85rem; }

@media(max-width:480px){
  .btn{ width:100%; padding:12px 18px; }
}

/* --------------------------------------------------------------------------
   6. HEADER / NAVIGATION & RESPONSIVE DRAWER
   -------------------------------------------------------------------------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:var(--header-h);
  display:flex; align-items:center;
  background:rgba(255, 255, 255, 0.85);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line-700);
  background:rgba(255, 255, 255, 0.98);
  box-shadow:0 4px 18px rgba(32,42,51,.04);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; width:100%; }

.nav-links{ display:flex; align-items:center; gap:8px; }
.nav-links a{
  position:relative; padding:10px 16px; font-size:.92rem; font-weight:500; color:var(--text-300);
  transition:color var(--dur) var(--ease);
}
.nav-links a::after{
  content:""; position:absolute; left:16px; right:16px; bottom:4px; height:1px;
  background:var(--amber-500); transform:scaleX(0); transform-origin:left; transition:transform var(--dur) var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color:var(--text-100); }
.nav-links a:hover::after, .nav-links a.active::after{ transform:scaleX(1); }

/* Hamburger Toggle Button */
.nav-toggle{
  display:none; flex-direction:column; gap:5px; width:36px; height:36px; 
  justify-content:center; align-items:center; z-index:1100; padding:4px;
}
.nav-toggle span{ 
  display:block; height:2.5px; width:24px; background:var(--text-100); 
  border-radius:2px; transition:all var(--dur) var(--ease); 
}
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }

@media (max-width:860px){
  :root { --header-h: 74px; }
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; 
    top:var(--header-h); 
    right:0; 
    bottom:0;
    width:min(80vw, 320px); 
    height:calc(100vh - var(--header-h));
    flex-direction:column; 
    align-items:flex-start; 
    justify-content:flex-start; 
    gap:12px;
    background:var(--navy-800); 
    padding:32px 24px;
    border-left:1px solid var(--line-700);
    box-shadow:-10px 0 30px rgba(0,0,0,0.08);
    transform:translateX(100%); 
    transition:transform var(--dur) var(--ease);
    overflow-y:auto;
  }
  .nav-links.is-open{ transform:translateX(0); }
  .nav-links a{ font-size:1.15rem; width:100%; padding:12px 8px; border-bottom:1px solid rgba(222, 227, 232, 0.4); }
  .nav-links a::after{ display:none; }
}

/* --------------------------------------------------------------------------
   7. HERO & CONTENT
   -------------------------------------------------------------------------- */
.hero{
  position:relative; min-height:88vh; display:flex; align-items:flex-end;
  padding-top:var(--header-h);
  overflow:hidden; background:var(--navy-900);
}
.hero-bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:.9;
}
.hero-scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(95,116,136,.30) 0%, rgba(95,116,136,.55) 55%, var(--navy-900) 100%);
}
.hero-content{ position:relative; z-index:2; padding-block:64px 72px; width:100%; }
.hero-title{ max-width:820px; }
.hero-foot{ display:flex; flex-wrap:wrap; gap:16px; margin-top:32px; }

@media (max-width:600px){
  .hero{ min-height:76vh; }
  .hero-content{ padding-block:36px 44px; }
  .hero-foot{ flex-direction:column; gap:12px; }
  .hero-foot .btn{ width:100%; }
}

/* --------------------------------------------------------------------------
   8. CARDS & BADGES
   -------------------------------------------------------------------------- */
.card{
  background:var(--panel-700); border:1px solid var(--line-700); border-radius:var(--radius-md);
  padding:32px; transition:border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card:hover{ border-color:var(--amber-500); transform:translateY(-4px); }

.tag{
  display:inline-block; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; padding:5px 10px; border:1px solid var(--line-700); border-radius:2px;
  color:var(--text-500);
}
.tag-amber{ color:var(--amber-500); border-color:rgba(95,116,136,.4); }
.tag-teal{ color:var(--teal-500); border-color:rgba(63,110,114,.4); }

/* --------------------------------------------------------------------------
   9. FOOTER
   -------------------------------------------------------------------------- */
.site-footer{ background:var(--navy-800); border-top:1px solid var(--line-700); padding-top:72px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-brand p{ margin-top:16px; max-width:300px; font-size:.92rem; }
.footer-col h4{ font-size:.85rem; letter-spacing:.08em; text-transform:uppercase; color:var(--text-500); margin-bottom:18px; font-family:var(--font-mono); font-weight:600;}
.footer-col a, .footer-col li{ color:var(--text-300); font-size:.92rem; }
.footer-col li{ margin-bottom:12px; }
.footer-col a:hover{ color:var(--amber-500); }
.footer-social{ display:flex; gap:12px; margin-top:20px; }
.footer-social a{
  width:38px; height:38px; border:1px solid var(--line-700); border-radius:4px;
  display:flex; align-items:center; justify-content:center; font-size:1.1rem; font-family:var(--font-mono); font-weight:bold;
  transition:all var(--dur) var(--ease); background:rgb(69, 69, 238); color:white; font-size:1.5rem;
}
.footer-social a:hover{ border-color:var(--amber-500); color:white; font-size: 1.6rem;}
.footer-bottom{
  border-top:1px solid var(--line-700); padding-block:24px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:.82rem; color:var(--text-700); font-family:var(--font-mono);
}
.back-to-top{
  width:40px; height:40px; border:1px solid var(--line-700); border-radius:2px;
  display:flex; align-items:center; justify-content:center; transition:all var(--dur) var(--ease);
}
.back-to-top:hover{ border-color:var(--amber-500); color:var(--amber-500); transform:translateY(-3px); }

/* --------------------------------------------------------------------------
   10. SCROLL REVEAL (Safe Mobile Transitions without Horizontal Overflow)
   -------------------------------------------------------------------------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-left{ opacity:0; transform:translateX(-36px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-right{ opacity:0; transform:translateX(36px); transition:opacity .8s var(--ease), transform .8s var(--ease); }

.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible{ opacity:1; transform:translate(0, 0); }

/* Mobile Overflow Safety: Switch left/right offsets to vertical on small screens */
@media (max-width:768px){
  .reveal-left, .reveal-right { transform:translateY(20px); }
  .reveal-left.is-visible, .reveal-right.is-visible { transform:translateY(0); }
}

.reveal-delay-1{ transition-delay:.1s; }
.reveal-delay-2{ transition-delay:.2s; }
.reveal-delay-3{ transition-delay:.3s; }
.reveal-delay-4{ transition-delay:.4s; }

/* --------------------------------------------------------------------------
   11. UTILITIES
   -------------------------------------------------------------------------- */
.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;}
.mb-8{margin-bottom:8px;} .mb-16{margin-bottom:16px;} .mb-24{margin-bottom:24px;} .mb-32{margin-bottom:32px;}
.divider{ height:1px; background:var(--line-700); width:100%; border:none; }
.section-head{ max-width:640px; margin-bottom:48px; }
.section-head.center{ margin-inline:auto; text-align:center; }
.muted{ color:var(--text-500); }
.mono{ font-family:var(--font-mono); }