/* ============================================================
   vibindas.com — Shared Design System
   Dark/Gold · Bento Grid · Scroll Animations
   ============================================================ */

:root {
  /* Colors */
  --bg:      #0a0a08;
  --bg2:     #111110;
  --bg3:     #171715;
  --surface: #1c1c19;
  --surface2:#222220;
  --border:  rgba(255,255,255,0.06);
  --border2: rgba(255,255,255,0.11);
  --border3: rgba(255,255,255,0.18);
  --text:    #f0ead8;
  --text2:   #9a9280;
  --text3:   #5e5850;

  /* Accent palette */
  --accent:      #e8a830;
  --accent2:     #c4891a;
  --accent-dim:  rgba(232,168,48,0.11);
  --accent-dim2: rgba(232,168,48,0.05);
  --accent-glow: rgba(232,168,48,0.22);

  /* Supporting colors */
  --teal:   #4db896; --teal-dim:   rgba(77,184,150,0.1);
  --blue:   #5b9bd5; --blue-dim:   rgba(91,155,213,0.1);
  --coral:  #e07a5f; --coral-dim:  rgba(224,122,95,0.1);
  --purple: #8b7fd4; --purple-dim: rgba(139,127,212,0.1);
  --green:  #6ab187; --green-dim:  rgba(106,177,135,0.1);

  /* Radii */
  --r:    6px;
  --r-lg: 14px;
  --r-xl: 20px;

  /* Typography */
  --sans:  'DM Sans', sans-serif;
  --serif: 'Playfair Display', serif;
  --mono:  'DM Mono', monospace;

  /* Layout */
  --nav-h:    64px;
  --max-w:    1200px;
  --pad:      clamp(24px, 5vw, 64px);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent-dim); color: var(--accent); }
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 2px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ─── Progress bar ───────────────────────────────────────── */
#progress-bar {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 1000;
  width: 0%; background: linear-gradient(90deg, var(--accent2), var(--accent), var(--teal));
  transition: width 0.1s linear;
}

/* ─── Navigation ─────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad); height: var(--nav-h);
  background: rgba(10,10,8,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-logo {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em;
  color: var(--accent); cursor: pointer; text-decoration: none;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); animation: breathe 2.5s ease-in-out infinite;
}
.nav-links { display: flex; gap: 0; list-style: none; }
.nav-links a {
  font-size: 13px; color: var(--text2);
  padding: 8px 14px; border-radius: var(--r);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-cta {
  font-size: 12px; font-family: var(--mono); color: var(--accent);
  background: var(--accent-dim); border: 1px solid rgba(232,168,48,0.28);
  border-radius: var(--r); padding: 7px 16px; cursor: pointer;
  transition: background 0.2s, border-color 0.2s; white-space: nowrap;
}
.nav-cta:hover { background: rgba(232,168,48,0.18); border-color: rgba(232,168,48,0.48); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--text2); transition: all 0.3s; }
.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,10,8,0.97); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); padding: 16px 24px;
  z-index: 99; flex-direction: column; gap: 4px;
}
.mobile-menu a {
  font-size: 14px; color: var(--text2); padding: 10px 12px;
  border-radius: var(--r); display: block; transition: color 0.2s, background 0.2s;
}
.mobile-menu a:hover { color: var(--text); background: var(--surface); }
.mobile-menu.open { display: flex; }

/* ─── Breathe animation (availability dot) ───────────────── */
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(77,184,150,0.45); }
  50%       { box-shadow: 0 0 0 7px rgba(77,184,150,0); }
}
@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50%       { transform: scale(1.12); opacity: 0.5; }
}
@keyframes float-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slide-right {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes counter-reveal {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

/* ─── Scroll reveal system ───────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
              transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-left {
  opacity: 0; transform: translateX(-22px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1),
              transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-scale {
  opacity: 0; transform: scale(0.94);
  transition: opacity 0.55s cubic-bezier(0.22,1,0.36,1),
              transform 0.55s cubic-bezier(0.22,1,0.36,1);
}
.reveal-scale.visible { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: 0.07s; }
[data-delay="2"] { transition-delay: 0.14s; }
[data-delay="3"] { transition-delay: 0.21s; }
[data-delay="4"] { transition-delay: 0.28s; }
[data-delay="5"] { transition-delay: 0.35s; }
[data-delay="6"] { transition-delay: 0.42s; }

/* ─── Buttons ────────────────────────────────────────────── */
.btn-primary {
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  background: var(--accent); color: var(--bg);
  border: none; border-radius: var(--r); padding: 13px 28px;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-primary:hover {
  background: #f0b840; transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(232,168,48,0.28);
}
.btn-outline {
  font-family: var(--sans); font-size: 14px; font-weight: 400;
  background: transparent; color: var(--text);
  border: 1px solid var(--border2); border-radius: var(--r); padding: 13px 28px;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--text2); background: var(--surface); }
.btn-ghost {
  font-family: var(--sans); font-size: 13px; font-weight: 400;
  background: transparent; color: var(--text2);
  border: 1px solid var(--border); border-radius: var(--r); padding: 9px 18px;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--border2); color: var(--text); }

/* ─── Tags & pills ───────────────────────────────────────── */
.tag {
  font-size: 11px; font-family: var(--mono); color: var(--text2);
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 20px; padding: 4px 13px;
  transition: border-color 0.2s, color 0.2s, background 0.2s; cursor: default;
}
.tag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.badge {
  font-size: 10px; font-family: var(--mono); letter-spacing: 0.06em;
  padding: 4px 12px; border-radius: 20px; display: inline-block;
}
.badge-amber  { background: var(--accent-dim);  color: var(--accent);  border: 1px solid rgba(232,168,48,0.22); }
.badge-teal   { background: var(--teal-dim);    color: var(--teal);    border: 1px solid rgba(77,184,150,0.22); }
.badge-blue   { background: var(--blue-dim);    color: var(--blue);    border: 1px solid rgba(91,155,213,0.22); }
.badge-purple { background: var(--purple-dim);  color: var(--purple);  border: 1px solid rgba(139,127,212,0.22); }
.badge-coral  { background: var(--coral-dim);   color: var(--coral);   border: 1px solid rgba(224,122,95,0.22); }
.badge-green  { background: var(--green-dim);   color: var(--green);   border: 1px solid rgba(106,177,135,0.22); }

/* ─── Section scaffolding ────────────────────────────────── */
.section-wrap { padding: clamp(60px,8vw,100px) var(--pad); max-width: var(--max-w); margin: 0 auto; }
.section-eyebrow {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px; display: flex; align-items: center; gap: 10px;
}
.section-eyebrow::before { content: ''; display: block; width: 24px; height: 1px; background: var(--accent); }
.section-title {
  font-family: var(--serif); font-size: clamp(28px,3.5vw,46px);
  font-weight: 400; line-height: 1.15; color: var(--text); margin-bottom: 12px;
}
.section-sub {
  font-size: 14px; color: var(--text2); font-weight: 300;
  line-height: 1.85; max-width: 640px;
}
.divider { border: none; border-top: 1px solid var(--border); }

/* ─── Bento card base ────────────────────────────────────── */
.bento-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 24px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative; overflow: hidden;
}
.bento-card:hover {
  border-color: var(--border2); transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.28);
}
.bento-card-accent { border-color: rgba(232,168,48,0.2); }
.bento-card-accent::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
}

/* ─── Full-bleed alternate sections ─────────────────────── */
.section-alt { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ─── Floating availability badge ────────────────────────── */
.floating-badge {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  display: flex; align-items: center; gap: 8px;
  background: rgba(10,10,8,0.92); border: 1px solid rgba(77,184,150,0.32);
  border-radius: 30px; padding: 10px 18px;
  backdrop-filter: blur(14px); cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45);
}
.floating-badge:hover { border-color: var(--teal); transform: translateY(-2px); }
.floating-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); animation: breathe 2.5s ease-in-out infinite; flex-shrink: 0; }
.floating-text { font-size: 11.5px; font-family: var(--mono); color: var(--teal); white-space: nowrap; }

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 48px var(--pad) 32px;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 10px; }
.footer-tagline { font-size: 13px; color: var(--text3); line-height: 1.7; }
.footer-heading { font-size: 10px; font-family: var(--mono); color: var(--text3); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: var(--text2); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 12px; color: var(--text3); font-family: var(--mono); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; transition: border-color 0.2s, background 0.2s;
}
.footer-social a:hover { border-color: var(--border2); background: var(--surface2); }

/* ─── Page header (inner pages) ─────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 60px) var(--pad) 60px;
  max-width: var(--max-w); margin: 0 auto;
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; color: var(--text3);
  margin-bottom: 32px; transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

/* ─── Case study card (for index listings) ───────────────── */
.case-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px;
  cursor: pointer; position: relative; overflow: hidden;
  transition: border-color 0.25s, transform 0.2s, background 0.2s, box-shadow 0.2s;
  display: block;
}
.case-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  opacity: 0; transition: opacity 0.3s;
}
.case-card:hover {
  border-color: var(--border2); transform: translateY(-3px);
  background: var(--surface2); box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.case-card:hover::before { opacity: 1; }
.case-title { font-family: var(--serif); font-size: 20px; font-weight: 400; line-height: 1.3; margin-bottom: 10px; }
.case-desc { font-size: 13px; color: var(--text2); line-height: 1.8; margin-bottom: 18px; font-weight: 300; }
.case-outcomes { display: flex; gap: 16px; padding: 12px 16px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--r); margin-bottom: 16px; }
.outcome-num { font-family: var(--serif); font-size: 22px; font-weight: 400; line-height: 1; margin-bottom: 3px; }
.outcome-lbl { font-size: 10px; color: var(--text3); font-family: var(--mono); }
.case-footer { display: flex; justify-content: space-between; align-items: center; }
.case-meta { font-size: 11px; color: var(--text3); font-family: var(--mono); }
.case-arrow { font-size: 16px; color: var(--text3); transition: color 0.2s, transform 0.2s; }
.case-card:hover .case-arrow { color: var(--accent); transform: translate(3px,-3px); }

/* ─── Skill pills ────────────────────────────────────────── */
.skill-pill {
  font-size: 11px; font-family: var(--mono); color: var(--text2);
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; padding: 4px 12px;
  transition: border-color 0.2s, color 0.2s, background 0.2s; cursor: default;
}
.skill-pill:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* ─── Recommendation card ────────────────────────────────── */
.rec-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px;
  transition: border-color 0.2s;
}
.rec-card:hover { border-color: var(--border2); }
.rec-quote { font-size: 38px; color: var(--accent); font-family: var(--serif); line-height: 1; margin-bottom: 6px; opacity: 0.3; }
.rec-text { font-size: 14px; color: var(--text2); line-height: 1.85; font-style: italic; margin-bottom: 20px; font-weight: 300; }
.rec-name { font-size: 14px; font-weight: 500; margin-bottom: 2px; }
.rec-role { font-size: 11px; color: var(--text3); font-family: var(--mono); }
.rec-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent-dim); border: 1px solid rgba(232,168,48,0.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 12px; color: var(--accent); flex-shrink: 0;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 600px) {
  :root { --pad: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; align-items: flex-start; }
  .floating-badge { bottom: 16px; right: 16px; padding: 8px 14px; }
}