/* ══════════════════════════════════════════════════════════
   ANTHILL DIGITAL — styles.css
   Brand: Barn Red #7C0A02 · Bronze #AC6A2A · interactive bronze #C47B1A
   Fonts: Rajdhani (display) · Barlow (body)
   ══════════════════════════════════════════════════════════ */

:root {
  /* surfaces */
  --bg:        #0e0b09;
  --bg-2:      #15100c;
  --bg-3:      #1d1610;
  --bg-card:   #17120d;

  /* lines */
  --line:      rgba(196,123,26,0.16);
  --line-soft: rgba(255,255,255,0.07);

  /* text */
  --text:      #f4efe9;
  --text-2:    #c2b6a9;
  --text-3:    #8c8073;

  /* brand */
  --bronze:        #C47B1A;
  --bronze-bright: #E8A040;
  --bronze-brand:  #AC6A2A;
  --barn-red:      #7C0A02;

  /* division accents */
  --orbis:      #C47B1A;
  --orbis-2:    #E8A040;
  --momentum:   #9B7FE0;
  --momentum-2: #B89FEE;
  --skill:      #C04420;
  --skill-2:    #E06040;

  /* current service accent (swapped by JS) */
  --accent:   var(--orbis);
  --accent-2: var(--orbis-2);

  --radius:    14px;
  --radius-sm: 10px;
  --maxw:      1180px;
  --nav-h:     72px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ── reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: 'Barlow', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--bronze); color: #1a1106; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ── headings ── */
.section-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--bronze); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 1rem;
}
.section-label::before { content: ''; width: 26px; height: 1.5px; background: var(--bronze); }

.section-heading {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 700; line-height: 1.12; letter-spacing: 0.01em; color: var(--text);
}
.section-heading em { font-style: italic; color: var(--bronze); font-family: 'Barlow', sans-serif; font-weight: 400; }
.accent { color: var(--bronze); }

.section-lead {
  font-size: 1.05rem; color: var(--text-2); max-width: 620px; margin-top: 1.1rem;
}

.section { padding: clamp(4rem, 8vw, 7rem) 0; position: relative; }

/* skip link */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--bronze); color: #1a1106; padding: .6rem 1rem; border-radius: 0 0 8px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ════════ NAV ════════ */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 100;
  display: flex; align-items: center;
  background: transparent; transition: background .35s var(--ease), border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(14,11,9,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 46px; width: auto; display: block; }
.brand-logo-footer { height: 60px; }
.brand-mark { width: 30px; height: auto; flex-shrink: 0; filter: drop-shadow(0 2px 6px rgba(124,10,2,.5)); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 20px;
  letter-spacing: 0.2em; color: var(--text);
}
.brand-tag {
  font-size: 7px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bronze); font-weight: 600; white-space: nowrap;
}
.brand-logo-footer + .brand-tag { font-size: 8px; letter-spacing: 0.05em; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-link {
  font-size: 14px; font-weight: 500; letter-spacing: 0.04em; color: var(--text-2);
  position: relative; padding: 4px 0; transition: color .25s;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px;
  background: var(--bronze); transition: width .3s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bronze); border: 1px solid var(--bronze); padding: .55rem 1.1rem; border-radius: 8px;
  transition: background .25s, color .25s, transform .25s;
}
.nav-cta:hover { background: var(--bronze); color: #1a1106; transform: translateY(-1px); }
.nav-cta i { font-size: 15px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════ BUTTONS ════════ */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 15px;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: .85rem 1.6rem; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; transition: transform .25s var(--ease), box-shadow .25s, background .25s, color .25s;
}
.btn i { font-size: 17px; }
.btn-primary {
  background: linear-gradient(135deg, var(--bronze), var(--bronze-brand));
  color: #1a1106; box-shadow: 0 8px 24px -8px rgba(196,123,26,.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(196,123,26,.7); }
.btn-ghost { color: var(--text); border-color: var(--line); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--bronze); color: var(--bronze); transform: translateY(-2px); }
.btn-block { width: 100%; justify-content: center; }

/* ════════ HERO ════════ */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--nav-h) + 2rem) 0 4rem; overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-glow {
  position: absolute; z-index: 0; top: -10%; right: -5%; width: 60vw; height: 60vw; max-width: 720px; max-height: 720px;
  background: radial-gradient(circle, rgba(196,123,26,0.18), rgba(124,10,2,0.10) 45%, transparent 70%);
  filter: blur(20px); pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, var(--bg) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 820px; }

.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--bronze); display: inline-flex; align-items: center; gap: 12px; margin-bottom: 1.5rem;
}
.eyebrow::before { content: ''; width: 30px; height: 1.5px; background: var(--bronze); }

.hero-title {
  font-family: 'Rajdhani', sans-serif; font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 5.2rem); line-height: 1.02; letter-spacing: 0.01em;
  margin-bottom: 1.1rem; text-transform: uppercase;
}
.hero-title .accent {
  background: linear-gradient(120deg, var(--bronze-bright), var(--bronze), var(--barn-red));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-rule {
  font-family: 'Barlow', sans-serif; font-style: italic; font-weight: 300;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3);
  font-size: 14px; margin-bottom: 1.8rem;
}
.hero-rule span { color: var(--bronze); font-style: normal; margin: 0 4px; }
.hero-body { font-size: 1.1rem; color: var(--text-2); max-width: 640px; margin-bottom: 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats {
  display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: rgba(23,18,13,0.5); backdrop-filter: blur(4px);
}
.stat { padding: 1rem 1.6rem; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-num {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 1.7rem; color: var(--bronze); display: block; line-height: 1;
}
.stat-lbl { font-size: 10px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin-top: 6px; display: block; }

.scroll-cue {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 2;
  color: var(--text-3); font-size: 22px; animation: bob 2.2s var(--ease) infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,8px); } }

/* ════════ ABOUT ════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
.about-body p { font-size: 1.05rem; color: var(--text-2); margin-bottom: 1.1rem; }
.about-body p:last-child { margin-bottom: 0; }

/* ════════ SERVICES ════════ */
.section-services { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.svc-tabs { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2.5rem 0; }
.svc-tab {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: .75rem 1.25rem; cursor: pointer; color: var(--text-2);
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 17px; letter-spacing: 0.06em; text-transform: uppercase;
  transition: border-color .25s, color .25s, transform .25s, background .25s;
}
.svc-tab b { color: var(--text-3); font-weight: 600; margin-right: 2px; font-size: 13px; }
.svc-tab-ic { width: 26px; height: 26px; }
.svc-tab:hover { transform: translateY(-2px); color: var(--text); border-color: var(--line); }
.svc-tab.is-active { color: var(--text); border-color: var(--accent); background: linear-gradient(180deg, rgba(255,255,255,.03), transparent); }
.svc-tab.is-active b { color: var(--accent); }

.svc-panel { display: none; animation: fadeUp .5s var(--ease); }
.svc-panel.is-active { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.svc-banner { display: flex; gap: 1.5rem; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; }
.svc-logo {
  width: 76px; height: 76px; border-radius: 16px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; border: 1px solid;
}
.svc-logo svg { width: 50px; height: 50px; }
.svc-logo-orbis { background: #1a1008; border-color: rgba(196,123,26,.4); }
.svc-logo-momentum { background: #100b1c; border-color: rgba(139,111,212,.4); }
.svc-logo-skillforge { background: #1a0a07; border-color: rgba(192,68,32,.4); }

.svc-kicker { font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.svc-name {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: clamp(2rem,5vw,3rem);
  letter-spacing: 0.06em; text-transform: uppercase; line-height: 1; color: var(--accent);
}
.svc-tagline { font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 15px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text); margin-top: 6px; }
.svc-desc { font-size: 1.08rem; color: var(--text-2); max-width: 760px; margin-bottom: 2rem; }

.cap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin-bottom: 1.75rem; }
.cap {
  background: var(--bg-card); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: 1.4rem; transition: border-color .25s, transform .25s, box-shadow .25s;
}
.cap:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 16px 30px -18px rgba(0,0,0,.8); }
.cap i { font-size: 24px; color: var(--accent-2); display: block; margin-bottom: .7rem; }
.cap h4 { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 16px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text); margin-bottom: .4rem; }
.cap p { font-size: 0.92rem; color: var(--text-3); line-height: 1.6; }

.tag-row { display: flex; flex-wrap: wrap; gap: .55rem; }
.tag {
  font-size: 11.5px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  padding: .35rem .85rem; border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent);
}

/* ════════ APPROACH ════════ */
.mission {
  border-left: 3px solid var(--bronze); padding: 1.5rem 1.75rem; margin: 2rem 0 3rem;
  background: var(--bg-2); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.2rem; font-style: italic; color: var(--text-2); max-width: 880px; line-height: 1.7;
}
.mission strong { color: var(--text); font-style: normal; font-weight: 600; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); gap: 1.25rem; }
.step {
  background: var(--bg-card); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: 1.75rem 1.5rem; position: relative; overflow: hidden; transition: border-color .25s, transform .25s;
}
.step:hover { border-color: var(--bronze); transform: translateY(-4px); }
.step-num {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 2.6rem; line-height: 1;
  color: var(--bronze); opacity: .25; display: block; margin-bottom: .6rem;
}
.step h4 { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 17px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text); margin-bottom: .5rem; }
.step p { font-size: 0.95rem; color: var(--text-3); }

/* ════════ CLIENTS ════════ */
.section-clients { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.clients-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.25rem; margin-top: 2.5rem; }
.client-card {
  background: var(--bg-card); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 2rem 1.75rem; transition: border-color .3s, transform .3s, box-shadow .3s;
}
.client-card:hover { border-color: var(--bronze); transform: translateY(-6px); box-shadow: 0 20px 40px -22px rgba(124,10,2,.7); }
.client-card i {
  font-size: 30px; color: var(--bronze); display: inline-flex; margin-bottom: 1rem;
  width: 58px; height: 58px; align-items: center; justify-content: center; border-radius: 12px;
  background: #1a1008; border: 1px solid rgba(196,123,26,.3);
}
.client-card h3 { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 20px; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: .6rem; }
.client-card p { color: var(--text-2); }

/* ════════ CONTACT ════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
.contact-list { list-style: none; margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.contact-list li { display: flex; align-items: center; gap: 12px; color: var(--text-2); font-size: 1rem; }
.contact-list i { font-size: 20px; color: var(--bronze); width: 22px; }
.contact-list a:hover { color: var(--bronze); }

.contact-form {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem); display: flex; flex-direction: column; gap: 1.1rem;
}
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.field .opt { color: var(--text-3); font-weight: 400; text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--line-soft); border-radius: 9px;
  padding: .8rem .95rem; color: var(--text); font-family: inherit; font-size: 0.98rem; font-weight: 300;
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #6c635a; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--bronze); box-shadow: 0 0 0 3px rgba(196,123,26,.16);
}
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23C47B1A' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.4rem;
}
.field input.invalid, .field textarea.invalid { border-color: var(--skill-2); }
.field-error { font-size: 12px; color: var(--skill-2); min-height: 1em; }
.form-note { font-size: 0.92rem; color: var(--text-3); text-align: center; }
.form-note:empty { display: none; }
.form-note.ok, .form-note.err, .form-note.warn {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  margin-top: .35rem; padding: .85rem 1rem; border-radius: 10px;
  font-size: 0.98rem; font-weight: 500; text-align: left;
  animation: fadeUp .35s var(--ease);
}
.form-note i { font-size: 19px; flex-shrink: 0; }
.form-note.ok  { background: rgba(196,123,26,.14); border: 1px solid rgba(196,123,26,.5); color: var(--bronze-bright); }
.form-note.err { background: rgba(192,68,32,.16);  border: 1px solid rgba(192,68,32,.55); color: #e8825f; }
.form-note.warn{ background: rgba(192,68,32,.10);  border: 1px solid rgba(192,68,32,.35); color: #e0a45c; }

/* ════════ FOOTER ════════ */
.footer { background: #0a0807; border-top: 1px solid var(--line); padding-top: 3.5rem; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 3rem; }
.footer-brand .brand { margin-bottom: 1rem; }
.footer-brand p { color: var(--text-3); font-size: 0.95rem; max-width: 320px; }
.footer-col h5 { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 1rem; }
.footer-col a { display: block; color: var(--text-2); font-size: 0.95rem; margin-bottom: .65rem; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--bronze); padding-left: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--line-soft); padding-top: 1.5rem; padding-bottom: 1.75rem;
  font-size: 12px; color: var(--text-3);
}
.footer-rule { letter-spacing: 0.18em; text-transform: uppercase; color: var(--bronze); }

/* back to top */
.to-top {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--bronze);
  background: rgba(23,18,13,.85); backdrop-filter: blur(8px); color: var(--bronze);
  display: grid; place-items: center; cursor: pointer; font-size: 20px;
  opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .3s, transform .3s, background .25s, color .25s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--bronze); color: #1a1106; }

/* ════════ REVEAL ANIMATIONS ════════ */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none; }
  .scroll-cue { animation: none; }
}

/* ════════ RESPONSIVE ════════ */
@media (max-width: 860px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .brand-logo { height: 38px; }
  .brand-logo-footer { height: 52px; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(14,11,9,0.97); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: .5rem 1.5rem 1.5rem;
    transform: translateY(-120%); transition: transform .4s var(--ease); pointer-events: none;
  }
  .nav-links.open { transform: none; pointer-events: auto; }
  .nav-link { padding: 1rem 0; border-bottom: 1px solid var(--line-soft); font-size: 16px; }
  .nav-link::after { display: none; }
  .nav-cta { margin-top: 1rem; justify-content: center; }
  .hero-stats { display: flex; width: 100%; }
  .stat { flex: 1; padding: .9rem .5rem; }
  .btn { width: 100%; justify-content: center; }
  .hero-actions { width: 100%; }
}
@media (max-width: 460px) {
  .footer-inner { grid-template-columns: 1fr; }
  .svc-tab { flex: 1; justify-content: center; }
}