/* ============================================================
   GALAXY COLOUR CHEM — FULLY MOBILE-OPTIMISED STYLESHEET
   Mobile-first: base styles = mobile, then scale up
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Inter:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg-page:    #f5f7fb;
  --bg-section: #eaeff8;
  --bg-card:    #ffffff;
  --navy:       #1a2e52;
  --navy-mid:   #24407a;
  --navy-light: #3a5fa0;
  --navy-dark:  #0b1b35;
  --text-head:  #0f1e38;
  --text-body:  #2e3d52;
  --text-muted: #5a6a7d;
  --text-dim:   #8a9ab0;
  --border:     rgba(26,46,82,0.13);
  --border-mid: rgba(26,46,82,0.28);
  --font-display: 'Playfair Display', serif;
  --font-ui:      'Inter', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --header-h: 60px;
  --px: 1rem;      /* horizontal page padding — mobile */
}

/* ── RESET ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg-page); color: var(--text-body);
  font-family: var(--font-ui); font-size: 16px; line-height: 1.75;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── SCROLLBAR ──────────────────────────────────── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg-section); }
::-webkit-scrollbar-thumb { background: var(--navy); border-radius: 2px; }

/* ── TYPOGRAPHY SCALE ───────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font-display); color: var(--text-head); line-height: 1.15; }
h2 { font-size: clamp(1.6rem,6vw,2.6rem); margin-bottom: 1rem; }
h3 { font-size: 1rem; font-family: var(--font-ui); font-weight: 700; margin-bottom: 0.5rem; }
h4 { font-size: 0.82rem; font-family: var(--font-ui); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
p  { font-size: 0.97rem; line-height: 1.8; }

/* ── LAYOUT ─────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--px); }
.narrow    { max-width: 780px; }
section    { padding: 2.75rem 0; }

/* ── HEADER ─────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--px); height: var(--header-h);
  background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.4s;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(26,46,82,0.1); }
main { padding-top: var(--header-h); }

.brand { display: flex; flex-direction: column; gap: 1px; }
.brand-logo-text {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--navy); line-height: 1;
}
.brand-sub {
  font-family: var(--font-mono); font-size: 0; /* hidden on mobile */
  letter-spacing: 0.18em; color: var(--text-muted); text-transform: uppercase;
}

/* Desktop nav — hidden on mobile */
.site-nav { display: none; }
.site-nav a {
  font-family: var(--font-ui); font-weight: 600; font-size: 0.78rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted);
  position: relative; padding-bottom: 3px; transition: color 0.3s;
}
.site-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--navy);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease-out);
}
.site-nav a:hover, .site-nav a.active { color: var(--navy); }
.site-nav a:hover::after, .site-nav a.active::after { transform: scaleX(1); }

/* Hamburger */
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
  z-index: 1001; touch-action: manipulation;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--navy); border-radius: 2px; transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-nav-drawer {
  display: none; flex-direction: column;
  background: #fff; border-bottom: 2px solid var(--border);
  padding: 1rem var(--px) 1.5rem;
  position: fixed; top: var(--header-h); left: 0; right: 0;
  z-index: 998; box-shadow: 0 8px 32px rgba(26,46,82,0.12);
}
.mobile-nav-drawer.open { display: flex; }
.mobile-nav-drawer a {
  font-family: var(--font-ui); font-weight: 600; font-size: 1rem;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted);
  padding: 0.8rem 0; border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.2s;
  /* Large touch target */
  min-height: 48px; display: flex; align-items: center;
}
.mobile-nav-drawer a:last-child { border-bottom: none; }
.mobile-nav-drawer a.active,
.mobile-nav-drawer a:hover { color: var(--navy); padding-left: 0.4rem; }

/* ── BUTTONS ────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-ui); font-weight: 700; font-size: 0.82rem;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 0.88rem 1.5rem; border-radius: 4px;
  border: 2px solid transparent; cursor: pointer;
  transition: all 0.3s var(--ease-out);
  /* Touch friendly */
  min-height: 48px; touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.btn.primary  { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn.primary:hover  { background: var(--navy-mid); }
.btn.outline  { background: transparent; color: #fff; border-color: rgba(255,255,255,0.55); }
.btn.outline:hover  { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn.ghost    { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn.ghost:hover    { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn.disabled { opacity: 0.5; cursor: not-allowed; color: var(--text-dim); border-color: var(--border); }

.hero-cta {
  display: flex; flex-direction: column; gap: 0.75rem;
  align-items: stretch;
}
.hero-cta .btn, .hero-cta-wrap .btn { width: 100%; justify-content: center; }
.hero-cta-wrap { display: flex; flex-direction: column; gap: 0.75rem; }

/* ── SECTION LINE ──────────────────────────────── */
.section-line { width: 40px; height: 3px; background: var(--navy); margin-bottom: 1.25rem; border-radius: 2px; }

/* ── PAGE HERO ──────────────────────────────────── */
.page-hero {
  position: relative; padding: 3rem 0 2.25rem;
  text-align: center; overflow: hidden;
  background: linear-gradient(150deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-mid) 100%);
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);
  background-size: 48px 48px;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: var(--font-display); font-size: clamp(1.9rem,9vw,4.5rem);
  font-weight: 700; color: #fff; margin-bottom: 0.75rem; line-height: 1.1;
}
.page-hero p { font-size: 0.95rem; color: rgba(255,255,255,0.72); }

/* ── CTA BAND ───────────────────────────────────── */
.cta-band {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-mid) 100%);
  text-align: center; padding: 3.25rem 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
  background-size: 48px 48px;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem,6vw,2.5rem); }
.cta-band p  { color: rgba(255,255,255,0.75); font-size: 0.97rem; margin-bottom: 1.75rem; }

/* ── PARTNERS ───────────────────────────────────── */
.partners { background: var(--bg-section); }
.partner-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 0.75rem; margin-top: 2rem;
}
.partner-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  padding: 1.1rem 0.75rem; display: flex; flex-direction: column;
  align-items: center; gap: 0.6rem; text-align: center;
  transition: all 0.3s var(--ease-out); position: relative; overflow: hidden;
}
.partner-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--navy); transform: scaleX(0); transition: transform 0.3s var(--ease-out);
}
.partner-card:hover { border-color: var(--border-mid); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(26,46,82,0.1); }
.partner-card:hover::before { transform: scaleX(1); }
.partner-card img { width: 52px; height: 34px; object-fit: contain; filter: grayscale(0.2) opacity(0.7); transition: filter 0.3s; }
.partner-card:hover img { filter: grayscale(0) opacity(1); }
.partner-card span { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.03em; color: var(--text-muted); }

/* ── FOOTER ─────────────────────────────────────── */
.site-footer {
  background: var(--navy-dark); padding: 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.site-footer .container {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: 1.25rem;
}
.footer-brand {
  font-family: var(--font-display); font-size: 1.15rem;
  font-weight: 700; color: #fff;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; }
.footer-links a {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.05em;
  text-transform: uppercase; color: rgba(255,255,255,0.42);
  transition: color 0.3s; min-height: 36px; display: flex; align-items: center;
}
.footer-links a:hover, .footer-links a.active { color: rgba(255,255,255,0.9); }
.footer-copy { font-family: var(--font-mono); font-size: 0.62rem; color: rgba(255,255,255,0.28); }

/* ── WHATSAPP FLOAT ────────────────────────────── */
.whatsapp-float {
  position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 900;
  background: #25d366; width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,0.45);
  transition: transform 0.3s; animation: wa-pulse 3s infinite;
  touch-action: manipulation;
}
.whatsapp-float:hover, .whatsapp-float:active { transform: scale(1.1); }
.whatsapp-float::before {
  content: ''; display: block; width: 24px; height: 24px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z'/%3E%3C/svg%3E") center/contain no-repeat;
}
@keyframes wa-pulse {
  0%,100%{ box-shadow: 0 4px 18px rgba(37,211,102,0.4); }
  50%    { box-shadow: 0 4px 26px rgba(37,211,102,0.65),0 0 0 8px rgba(37,211,102,0.07); }
}

/* ── ANIMATIONS ─────────────────────────────────── */
.reveal       { opacity:0; transform:translateY(24px); transition:opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal.visible       { opacity:1; transform:none; }
.reveal-left  { opacity:0; transform:translateX(-24px); transition:opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal-left.visible  { opacity:1; transform:none; }
.reveal-right { opacity:0; transform:translateX(24px); transition:opacity 0.7s var(--ease-out),transform 0.7s var(--ease-out); }
.reveal-right.visible { opacity:1; transform:none; }
.stagger > * { opacity:0; transform:translateY(18px); transition:opacity 0.55s var(--ease-out),transform 0.55s var(--ease-out); }
.stagger.visible > *:nth-child(1){opacity:1;transform:none;transition-delay:.04s;}
.stagger.visible > *:nth-child(2){opacity:1;transform:none;transition-delay:.1s;}
.stagger.visible > *:nth-child(3){opacity:1;transform:none;transition-delay:.16s;}
.stagger.visible > *:nth-child(4){opacity:1;transform:none;transition-delay:.22s;}
.stagger.visible > *:nth-child(5){opacity:1;transform:none;transition-delay:.28s;}
.stagger.visible > *:nth-child(6){opacity:1;transform:none;transition-delay:.34s;}
.stagger.visible > *:nth-child(7){opacity:1;transform:none;transition-delay:.40s;}
.stagger.visible > *:nth-child(8){opacity:1;transform:none;transition-delay:.46s;}

/* ── LOADER ─────────────────────────────────────── */
#loader {
  position:fixed;inset:0;z-index:99999;background:var(--navy-dark);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;
  transition:opacity 0.6s var(--ease-out),visibility 0.6s;
}
#loader.done { opacity:0; visibility:hidden; }
.loader-logo { font-family:var(--font-display);font-size:1.6rem;font-weight:700;color:#fff;text-align:center; }
.loader-bar-wrap { width:160px;height:2px;background:rgba(255,255,255,0.15);border-radius:2px;overflow:hidden; }
.loader-bar { height:100%;background:#fff;width:0%;animation:load-bar 1.4s var(--ease-out) forwards; }
@keyframes load-bar { to { width:100%; } }
.loader-text { font-family:var(--font-mono);font-size:0.58rem;letter-spacing:0.2em;color:rgba(255,255,255,0.4);text-transform:uppercase; }




/* ════════════════════════════════════════════════
   TABLET — 600px+
   ════════════════════════════════════════════════ */
@media(min-width:600px){
  :root { --px: 1.5rem; }
  section { padding: 3.5rem 0; }
  .hero-cta, .hero-cta-wrap { flex-direction: row; flex-wrap: wrap; align-items: flex-start; }
  .hero-cta .btn, .hero-cta-wrap .btn { width: auto; }
  .partner-grid { grid-template-columns: repeat(4,1fr); gap: 1rem; }
  .partner-card img { width: 56px; height: 38px; }
  .partner-card span { font-size: 0.72rem; }
  .site-footer .container { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ════════════════════════════════════════════════
   DESKTOP — 900px+
   ════════════════════════════════════════════════ */
@media(min-width:900px){
  :root { --px: 2rem; --header-h: 70px; }
  body { font-size: 17px; }
  p { font-size: 1rem; }
  section { padding: 5rem 0; }
  .site-nav { display: flex; align-items: center; gap: 2rem; }
  .nav-toggle { display: none; }
  .brand-logo-text { font-size: 1.3rem; }
  .brand-sub { font-size: 0.42rem; }
  .page-hero { padding: 5rem 0 4rem; }
  .cta-band { padding: 5.5rem 0; }
  .partner-grid { gap: 1.25rem; }
  .partner-card { padding: 1.5rem 1rem; }
  .partner-card img { width: 64px; height: 40px; }
  .partner-card span { font-size: 0.75rem; }
  .loader-logo { font-size: 1.9rem; }
  .loader-bar-wrap { width: 200px; }
}

/* ════════════════════════════════════════════════
   WIDE — 1200px+
   ════════════════════════════════════════════════ */
@media(min-width:1200px){
  :root { --px: 2.5rem; }
  section { padding: 5.5rem 0; }
}