/* =========================================================
   DataDive — design tokens
   ========================================================= */
:root{
  --forest:      #101F30;   /* deepest blue — text on light, bg on dark sections */
  --brand:       #153140;   /* primary teal-blue */
  --accent:      #027F8C;   /* teal accent, CTAs, links */
  --accent-soft: #E5EFF0;   /* pale blue surface */
  --ochre:       #45F0C8;   /* bright mint accent — used sparingly, as "signal" color */
  --paper:       #E5EFF0;   /* cool paper background */
  --paper-2:     #D3E3E5;   /* slightly deeper paper for cards */
  --ink:         #101F30;   /* body text */
  --ink-soft:    #45586A;   /* secondary text */
  --line:        rgba(16,31,48,0.14);

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --maxw: 1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
::selection{ background:var(--ochre); color:var(--forest); }

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  color:var(--forest);
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem, 5vw, 3.8rem); line-height:1.05; font-weight:500; }
h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); line-height:1.15; }
h3{ font-size:1.3rem; }
p{ margin:0 0 1em; color:var(--ink-soft); }
.lede{ font-size:1.2rem; color:var(--ink-soft); max-width:640px; }

.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  display:block;
  margin-bottom:.9em;
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.section{ padding:88px 0; }
.section--tight{ padding:56px 0; }

/* ---------- contour-line divider — the site's signature ---------- */
.contour{
  width:100%;
  height:46px;
  display:block;
}
.contour path{ fill:none; stroke:var(--line); stroke-width:1.4; }
.contour path.a{ stroke:var(--accent); opacity:.55; }

/* ---------- nav ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(246,243,236,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--maxw); margin:0 auto; padding:18px 28px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{
  font-family:var(--serif); font-weight:600; font-size:1.25rem;
  color:var(--forest); text-decoration:none; letter-spacing:-0.01em;
}
.brand span{ color:var(--accent); }
.navlinks{ display:flex; gap:34px; list-style:none; margin:0; padding:0; }
.navlinks a{
  text-decoration:none; font-size:.92rem; color:var(--ink-soft);
  font-weight:500; position:relative; padding-bottom:4px;
}
.navlinks a:hover, .navlinks a.active{ color:var(--forest); }
.navlinks a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:var(--accent); border-radius:2px;
}
.nav-cta{
  font-family:var(--mono); font-size:.78rem; text-decoration:none;
  color:var(--paper); background:var(--forest);
  padding:10px 18px; border-radius:100px; white-space:nowrap;
}
.nav-cta:hover{ background:var(--accent); }
.navtoggle{ display:none; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:.85rem; text-decoration:none;
  padding:14px 26px; border-radius:100px; font-weight:500;
  transition:transform .15s ease, background .15s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn--solid{ background:var(--forest); color:var(--paper); }
.btn--solid:hover{ background:var(--accent); }
.btn--ghost{ background:transparent; color:var(--forest); border:1px solid var(--line); }
.btn--ghost:hover{ border-color:var(--accent); color:var(--accent); }

/* ---------- hero ---------- */
.hero{
  padding:96px 0 60px;
  background:
    radial-gradient(ellipse at 82% -10%, rgba(2,127,140,0.14), transparent 60%),
    var(--paper);
}
.hero .wrap{ display:grid; grid-template-columns:1.15fr .85fr; gap:60px; align-items:end; }
.contact-grid{ grid-template-columns:1.1fr .9fr !important; align-items:start !important; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr !important; } }
.hero-visual{
  aspect-ratio:4/5; border-radius:18px; overflow:hidden;
  background:linear-gradient(160deg, var(--brand), var(--forest));
  position:relative;
}
.hero-visual svg{ position:absolute; inset:0; width:100%; height:100%; }
.hero-tagline{ margin-top:26px; display:flex; gap:14px; flex-wrap:wrap; }
.pill{
  font-family:var(--mono); font-size:.74rem; letter-spacing:.03em;
  border:1px solid var(--line); border-radius:100px; padding:7px 14px;
  color:var(--ink-soft);
}

/* ---------- cards / grids ---------- */
.grid3{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.grid2{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.card{
  background:var(--paper-2); border:1px solid var(--line);
  border-radius:16px; padding:32px;
}
.card::after{ content:""; display:table; clear:both; }
.card h3{ margin-bottom:.4em; }
.card .num{
  font-family:var(--mono); font-size:.78rem; color:var(--accent);
  margin-bottom:14px; display:block;
}
.card ul{ margin:14px 0 0; padding-left:1.1em; color:var(--ink-soft); }
.card li{ margin-bottom:.4em; }

.band{ background:var(--forest); color:var(--paper); }
.band h2, .band h3{ color:var(--paper); }
.band p{ color:rgba(246,243,236,0.78); }
.band .card{ background:rgba(246,243,236,0.06); border-color:rgba(246,243,236,0.14); }
.band .card ul{ color:rgba(246,243,236,0.78); }

.principle{ display:flex; gap:18px; padding:22px 0; border-bottom:1px solid rgba(246,243,236,0.14); }
.principle:last-child{ border-bottom:none; }
.principle .num{ font-family:var(--mono); color:var(--ochre); font-size:.95rem; min-width:2.2em; }

/* ---------- process list ---------- */
.process{ counter-reset:phase; }
.phase{
  display:grid; grid-template-columns:90px 1fr; gap:28px;
  padding:34px 0; border-top:1px solid var(--line);
}
.phase:last-child{ border-bottom:1px solid var(--line); }
.phase-num{ font-family:var(--serif); font-size:2.1rem; color:var(--accent-soft); -webkit-text-stroke:1.4px var(--accent); color:transparent; }

/* ---------- footer ---------- */
footer.site{ background:var(--forest); color:rgba(246,243,236,0.75); padding:60px 0 34px; }
footer.site a{ color:rgba(246,243,236,0.9); text-decoration:none; }
.footgrid{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footgrid h4{ color:var(--paper); font-family:var(--sans); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:14px; }
.footgrid ul{ list-style:none; margin:0; padding:0; }
.footgrid li{ margin-bottom:10px; font-size:.94rem; }
.footbottom{ border-top:1px solid rgba(246,243,236,0.14); padding-top:22px; font-size:.82rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- forms ---------- */
form.contact{ display:grid; gap:20px; max-width:560px; }
.field label{ display:block; font-family:var(--mono); font-size:.78rem; color:var(--ink-soft); margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; font-family:var(--sans); font-size:1rem; padding:14px 16px;
  border:1px solid var(--line); border-radius:10px; background:var(--paper);
  color:var(--ink); resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft);
}

/* ---------- misc ---------- */
.center{ text-align:center; margin:0 auto; }
.small{ font-size:.9rem; }
.divider{ height:1px; background:var(--line); margin:0; border:none; }
.tag{ font-family:var(--mono); font-size:.72rem; color:var(--accent); letter-spacing:.06em; }

@media (max-width:860px){
  .nav{ padding:14px 20px; }
  .navlinks{ position:fixed; inset:64px 0 0 0; background:var(--paper); flex-direction:column;
    padding:30px 28px; gap:22px; transform:translateY(-110%); transition:transform .25s ease;
    overflow-y:auto; z-index:60; }
  .navlinks.open{ transform:translateY(0); }
  .navlinks a{ font-size:1.05rem; }
  .navtoggle{ display:block; background:none; border:none; font-family:var(--mono); font-size:1.4rem; color:var(--forest); z-index:70; }
  .nav-cta{ padding:9px 14px; font-size:.72rem; }
  .hero{ padding:56px 0 40px; }
  .hero .wrap{ grid-template-columns:1fr; gap:34px; }
  .hero-visual{ order:-1; aspect-ratio:16/10; }
  .section{ padding:56px 0; }
  .grid3{ grid-template-columns:1fr; }
  .grid2{ grid-template-columns:1fr; }
  .footgrid{ grid-template-columns:1fr; gap:28px; }
  .phase{ grid-template-columns:1fr; gap:6px; }
  .card{ padding:26px; }
  .illustration.float-right, .illustration.float-left{ float:none; width:100% !important; max-width:100% !important; margin:0 0 22px 0 !important; }
}

@media (max-width:520px){
  body{ font-size:16px; }
  .wrap{ padding:0 20px; }
  .nav{ padding:12px 16px; }
  .brand{ font-size:1.1rem; }
  .nav-cta{ display:none; }
  h1{ font-size:2rem; }
  h2{ font-size:1.5rem; }
  .hero{ padding:44px 0 32px; }
  .section{ padding:44px 0; }
  .section--tight{ padding:36px 0; }
  .btn{ padding:12px 20px; font-size:.8rem; }
  .card{ padding:22px; }
  .footbottom{ flex-direction:column; gap:6px; }
}

/* ---------- sea icons (minimalist line illustrations) ---------- */
.sea-icon{
  width:40px; height:40px; display:block; margin-bottom:16px;
  stroke:var(--accent); fill:none; stroke-width:1.6;
  stroke-linecap:round; stroke-linejoin:round;
  opacity:.8;
}
.sea-icon--ochre{ stroke:var(--ochre); }
.sea-icon--lg{ width:72px; height:72px; }
.center .sea-icon{ margin-left:auto; margin-right:auto; }

.illustration{
  position:relative; overflow:hidden;
  border-radius:16px; border:1px solid var(--line);
  background:var(--paper-2);
  display:flex; align-items:center; justify-content:center;
  min-height:220px;
}
.illustration svg{ width:56%; max-width:220px; stroke:var(--accent); opacity:.9; }
.illustration.band-ill{ background:rgba(246,243,236,0.05); border-color:rgba(246,243,236,0.14); }
.illustration.band-ill svg{ stroke:var(--ochre); }
.illustration--corner{
  position:absolute; opacity:.14; pointer-events:none; z-index:0;
}
.illustration--corner svg{ width:100%; height:100%; stroke:var(--paper); fill:none; }

/* ---------- photo placeholders ---------- */
.photo-frame{
  position:relative; width:100%; border-radius:16px; overflow:hidden;
  background:
    repeating-linear-gradient(135deg, var(--paper-2), var(--paper-2) 10px, var(--accent-soft) 10px, var(--accent-soft) 20px);
  border:1px dashed var(--line);
  display:flex; align-items:center; justify-content:center;
  text-align:center; color:var(--ink-soft);
  aspect-ratio:4/3;
}
.photo-frame.wide{ aspect-ratio:16/9; }
.photo-frame.tall{ aspect-ratio:3/4; }
.photo-frame.square{ aspect-ratio:1/1; }
.photo-frame .label{
  background:rgba(246,243,236,0.92); border-radius:10px;
  padding:10px 16px; font-family:var(--mono); font-size:.72rem;
  color:var(--forest); max-width:78%; line-height:1.5;
}
.photo-frame.band-frame{ background:repeating-linear-gradient(135deg, rgba(246,243,236,0.05), rgba(246,243,236,0.05) 10px, rgba(246,243,236,0.1) 10px, rgba(246,243,236,0.1) 20px); border-color:rgba(246,243,236,0.25); }
.photo-frame.band-frame .label{ background:rgba(16,31,48,0.55); color:var(--paper); }

@media (max-width:860px){
  .illustration{ min-height:160px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn:hover{ transform:none; }
}