/* ============================================================
   OVB Management & Consulting - Premium Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&family=Jost:wght@200;300;400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --gold:        #C9A96E;
  --gold-light:  #E8D4A8;
  --gold-dark:   #9B7A45;
  --navy:        #0A0E1A;
  --navy-mid:    #111827;
  --navy-soft:   #1C2540;
  --white:       #FFFFFF;
  --off-white:   #F8F6F1;
  --muted:       #8A8F9E;
  --border:      rgba(201,169,110,0.2);
  --border-soft: rgba(255,255,255,0.08);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Jost', sans-serif;

  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
  --shadow-gold: 0 8px 40px rgba(201,169,110,0.15);
  --shadow-deep: 0 20px 60px rgba(0,0,0,0.4);
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  line-height: 1.7;
  font-weight: 300;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Grain Overlay ─────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.display-xl {
  font-size: clamp(2.8rem, 7vw, 7rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.display-lg {
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 300;
}

.display-md {
  font-size: clamp(1.6rem, 3.5vw, 3rem);
  font-weight: 400;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

p { font-size: 1rem; color: rgba(255,255,255,0.72); max-width: 65ch; }

/* ── Gold Accent Text ──────────────────────────────────── */
.text-gold  { color: var(--gold); }
.text-muted { color: var(--muted); }
.text-white { color: var(--white); }

/* ── Layout Utilities ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 7rem 0;
  position: relative;
}

.section-sm { padding: 4rem 0; }

.flex   { display: flex; }
.grid   { display: grid; }
.center { text-align: center; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }
.gap-3 { gap: 3rem; }
.gap-4 { gap: 4rem; }
.mt-1  { margin-top: 1rem; }
.mt-2  { margin-top: 2rem; }
.mt-3  { margin-top: 3rem; }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: var(--transition);
}

.btn:hover::before { opacity: 1; }

.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

.btn-gold::before {
  background: var(--gold-light);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(201,169,110,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: var(--gold);
  color: var(--navy);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-soft);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ── Gold Divider ──────────────────────────────────────── */
.divider-gold {
  width: 60px;
  height: 1px;
  background: var(--gold);
  display: block;
  margin: 1.5rem auto;
}

.divider-gold-left {
  margin-left: 0;
}

/* ── Card Base ─────────────────────────────────────────── */
.card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,169,110,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(201,169,110,0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.card:hover::before { opacity: 1; }

/* ── Section Title Block ───────────────────────────────── */
.section-title {
  margin-bottom: 4rem;
}

.section-title .display-md {
  margin-top: 0.8rem;
}

.section-title p {
  margin-top: 1.2rem;
}

/* ── Scroll Animations ─────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"]  { transform: translateX(-40px); }
[data-reveal="left"].revealed { transform: translateX(0); }

[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="right"].revealed { transform: translateX(0); }

[data-reveal="scale"] { transform: scale(0.92); }
[data-reveal="scale"].revealed { transform: scale(1); }

[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }
[data-delay="600"] { transition-delay: 0.6s; }

/* ── Page Hero (inner pages) ───────────────────────────── */
.page-hero {
  padding: 10rem 0 5rem;
  background: linear-gradient(180deg, rgba(10,14,26,0) 0%, var(--navy) 100%),
              var(--navy-soft);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(201,169,110,0.06) 0%, transparent 70%);
}

.page-hero-content { position: relative; z-index: 1; }

/* ── Breadcrumb ────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--gold); }

/* ── Stats Bar ─────────────────────────────────────────── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  margin-top: 4rem;
}

.stat-item {
  padding: 2.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
  position: relative;
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300;
  color: var(--gold);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.5rem;
  display: block;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ── Page Loader ───────────────────────────────────────── */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}

.loader-bar {
  width: 200px;
  height: 1px;
  background: rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  position: absolute;
  left: -100%;
  top: 0;
  height: 100%;
  width: 100%;
  background: var(--gold);
  animation: load-progress 1.4s ease forwards;
}

@keyframes load-progress {
  to { left: 0; }
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-top: 1px solid var(--border); }
  .stat-item:nth-child(4) { border-top: 1px solid var(--border); border-right: none; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  p { font-size: 0.95rem; }
}

@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 1.5rem 1rem; }
}

/* ── Accordion ─────────────────────────────────────────── */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Tabs ──────────────────────────────────────────────── */
[data-tab-panel] { display: none; }
[data-tab-panel].active { display: block; }
[data-tab-btn].active { color: var(--gold); border-color: var(--gold); }

/* ── WhatsApp Float Button ─────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 54px;
  height: 54px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
  z-index: 500;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 14px 32px rgba(37,211,102,0.45);
}

.whatsapp-float svg { color: white; }

/* ── Back to Top ───────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 5.5rem;
  width: 44px;
  height: 44px;
  background: rgba(10,14,26,0.9);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  cursor: pointer;
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.35s ease;
  backdrop-filter: blur(10px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

/* ── Highlight box ─────────────────────────────────────── */
.highlight-box {
  border-left: 2px solid var(--gold);
  padding: 1.25rem 1.5rem;
  background: rgba(201,169,110,0.04);
  margin: 1.5rem 0;
}

.highlight-box p { max-width: none; font-size: 0.9rem; }

/* ── Image with gold corner accent ────────────────────── */
.img-accent {
  position: relative;
}

.img-accent::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 40%;
  height: 40%;
  border: 1px solid var(--gold);
  z-index: -1;
  transition: all 0.4s ease;
}

.img-accent:hover::after {
  bottom: -14px;
  right: -14px;
}

/* ── Responsive tweaks ─────────────────────────────────── */
@media (max-width: 640px) {
  .whatsapp-float { bottom: 1.25rem; right: 1.25rem; }
  .back-to-top { bottom: 1.25rem; right: 4.75rem; }
}