/* ============================================================
   DenEx — stylesheet
   Colours, fonts and layout live here. You normally only need
   to edit index.html for content. Tweak brand colours below.
   ============================================================ */

:root{
  --navy:#082B57;         /* primary brand navy */
  --ink:#0A1F3C;          /* dark text */
  --paper:#FBFAF7;        /* warm off-white background */
  --paper-2:#F2EFE8;      /* slightly darker panel */
  --muted:#5A6B82;        /* secondary text */
  --line:#E4E1D8;         /* hairline borders */
  --accent:#B4884A;       /* gold accent */
  --blue:#1E5AA8;         /* link / action blue */
  --white:#ffffff;
  --font:"Calibri","Carlito","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --maxw:1180px;
  --radius:14px;
  --shadow:0 18px 50px rgba(8,43,87,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:var(--font);font-weight:700;line-height:1.12;letter-spacing:-.01em;margin:0}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:1.25rem;font-family:var(--font);font-weight:650;letter-spacing:-.01em}
p{margin:0 0 1rem}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);margin:0 0 14px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block}
.section{padding:96px 0}
.section--tight{padding:64px 0}

/* offset anchor jumps so the sticky header doesn't cover section titles */
section[id],#index,#stories{scroll-margin-top:132px}

/* "back to index" link shown in each linked section */
.back-to-index{display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;transition:.18s}
.back-to-index:hover{color:var(--navy);gap:11px}
.band-navy .back-to-index{color:#9fc0e8}
.band-navy .back-to-index:hover{color:#fff}

/* DenEx Index — original bordered grid of cards */
.homepage-index-grid{
  display:grid;grid-template-columns:repeat(6,1fr);
  border-top:1px solid #C9D7E4;border-bottom:1px solid #C9D7E4;border-left:1px solid #C9D7E4;
}
.homepage-index-card{
  display:flex;flex-direction:column;text-align:left;
  padding:24px 18px;min-height:212px;border-right:1px solid #C9D7E4;
  color:inherit;text-decoration:none;transition:.18s;
}
.homepage-index-card:hover{background:#F6F8FB}
.homepage-index-card .index-number{color:#0E76C7;font-size:.95rem;font-weight:400;margin-bottom:14px}
.homepage-index-card strong{color:var(--navy);font-size:1.05rem;font-weight:700;margin-bottom:10px;line-height:1.25}
.homepage-index-card p{color:var(--muted);font-size:.86rem;margin:0 0 auto}
.homepage-index-card svg{color:#0E76C7;width:18px;height:18px;margin-top:18px;transition:.18s}
.homepage-index-card:hover svg{transform:translate(3px,3px)}
@media(max-width:1100px){
  .homepage-index-grid{grid-template-columns:repeat(3,1fr)}
  .homepage-index-card:nth-child(n+4){border-top:1px solid #C9D7E4}
}
@media(max-width:680px){
  .homepage-index-grid{grid-template-columns:repeat(2,1fr)}
  .homepage-index-card:nth-child(n+3){border-top:1px solid #C9D7E4}
}
@media(max-width:420px){
  .homepage-index-grid{grid-template-columns:1fr}
  .homepage-index-card{border-right:0}
  .homepage-index-card:nth-child(n+2){border-top:1px solid #C9D7E4}
}
.lead{font-size:1.12rem;color:var(--muted);max-width:52ch}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5em;justify-content:center;
  padding:.85em 1.5em;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:.2s ease;
}
.btn--primary{background:var(--navy);color:#fff}
.btn--primary:hover{background:#0b3a75;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--navy)}
.btn--light{background:#fff;color:var(--navy)}
.btn--light:hover{transform:translateY(-1px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(251,250,247,.85);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:120px}
.brand{display:flex;align-items:center;gap:16px;font-weight:900;letter-spacing:.01em;font-size:2.1rem}
.brand img{width:96px;height:96px;object-fit:contain}
.brand small{display:block;font-weight:500;font-size:.62rem;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:.92rem;color:var(--muted);font-weight:500}
.nav a:hover{color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--navy)}

/* ---------- hero ---------- */
.hero{padding:80px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:-.02em}
.hero .sub{font-size:1.18rem;color:var(--muted);margin:22px 0 30px;max-width:44ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover}
.hero-badge{
  position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow);font-size:.8rem;max-width:210px
}
.hero-badge strong{display:block;font-family:var(--font);font-size:1.5rem;color:var(--navy)}

/* ---------- marquee ---------- */
.marquee{background:var(--navy);color:#fff;overflow:hidden;padding:16px 0}
.marquee-track{display:flex;gap:40px;white-space:nowrap;animation:slide 28s linear infinite;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase}
.marquee-track span{opacity:.85}
.marquee-track span::after{content:"·";margin-left:40px;opacity:.4}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- practice / index cards ---------- */
.section-head{max-width:640px;margin-bottom:52px}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:.22s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d6d2c6}
.card .num{font-family:var(--font);font-size:.95rem;color:var(--accent);font-weight:600;margin-bottom:14px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem;margin:0}

/* About section — service pillar detail rows */
.about-subhead{font-family:var(--font);font-weight:500;font-size:1.4rem;color:var(--ink)}
.plabel{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:14px 0 2px}
.pval{color:var(--muted);font-size:.9rem;margin:0}

/* index list (entry points) */
.entry{display:flex;gap:20px;padding:24px 0;border-top:1px solid var(--line);align-items:flex-start}
.entry:last-child{border-bottom:1px solid var(--line)}
.entry .idx{font-family:var(--font);color:var(--accent);font-size:1.1rem;min-width:38px}
.entry h3{margin-bottom:4px}
.entry p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- numbers (navy band) ---------- */
.band-navy{background:var(--navy);color:#fff}
.band-navy .eyebrow{color:#9fc0e8}
.band-navy .lead{color:rgba(255,255,255,.72)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:44px}
.stat .n{font-family:var(--font);font-size:clamp(2.2rem,5vw,3.4rem);line-height:1;color:#fff}
.stat .l{color:rgba(255,255,255,.68);font-size:.9rem;margin-top:8px}
.stat .s{color:#9fc0e8;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;margin-top:6px}

/* ---------- references / case images ---------- */
.case{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.22s}
.case:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.case img{aspect-ratio:16/10;object-fit:cover;width:100%}
.case .body{padding:20px}
.case .tag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600}
.case h3{font-size:1.05rem;margin:8px 0}
.case p{color:var(--muted);font-size:.9rem;margin:0}

/* featured story */
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feature img{height:100%;object-fit:cover;width:100%}
.feature .body{padding:40px}

/* video grid (motion / visual stories) — portrait clips */
.video-grid{align-items:start}
.video-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#000;line-height:0;max-width:420px;margin:0 auto}
.video-card video{width:100%;height:auto;display:block;background:#000}

/* ---------- booking + contact ---------- */
.booking-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.cal-head h3{font-family:var(--font);font-weight:500}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center}
.cal-grid .dow{font-size:.68rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;padding:6px 0}
.cal-day{padding:10px 0;border-radius:9px;cursor:pointer;font-size:.9rem;border:1px solid transparent;transition:.15s}
.cal-day:hover:not(.disabled){background:var(--paper-2)}
.cal-day.disabled{color:#c7cdd6;cursor:not-allowed}
.cal-day.selected{background:var(--navy);color:#fff}
.cal-day.empty{cursor:default}
.slots{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.slot{padding:8px 14px;border:1px solid var(--line);border-radius:999px;cursor:pointer;font-size:.85rem;transition:.15s}
.slot:hover{border-color:var(--navy)}
.slot.selected{background:var(--navy);color:#fff;border-color:var(--navy)}
.field{margin-bottom:14px}
.field label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.04em;color:var(--muted);margin-bottom:6px;text-transform:uppercase}
.field input,.field select,.field textarea{
  width:100%;padding:.75em .9em;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--paper);color:var(--ink)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.muted-note{font-size:.78rem;color:var(--muted);margin-top:10px}
.pill-time{font-size:.8rem;color:var(--muted);margin-bottom:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#fff;padding:64px 0 40px}
.site-footer a{color:#cfe0f5}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer h4{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:#9fc0e8;margin:0 0 14px}
.site-footer .brand small{color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:22px;font-size:.82rem;color:rgba(255,255,255,.6);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-grid,.feature,.booking-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav{
    position:fixed;inset:120px 0 auto 0;background:var(--paper);flex-direction:column;
    align-items:flex-start;gap:0;padding:10px 24px 20px;border-bottom:1px solid var(--line);
    display:none
  }
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:12px}
  .nav-toggle{display:block}
}
@media(max-width:520px){
  .grid-2,.grid-4,.stats{grid-template-columns:1fr}
  .section{padding:64px 0}
}