/*
Theme Name: CBB International
Theme URI: https://www.cbbinternational.com.br
Author: CBB International
Author URI: https://www.cbbinternational.com.br
Description: Official CBB International corporate theme — modern, multilingual (PT/EN/ZH), navy & gold palette.
Version: 1.0.0
License: Private
Text Domain: cbb
Tags: business, multilingual, custom-colors, full-width-template
*/

/* ─── CSS CUSTOM PROPERTIES ──────────────────────────────────────────────── */
:root {
  --navy:       #0D1B2A;
  --navy-mid:   #1A2E45;
  --navy-light: #243B55;
  --gold:       #C9A84C;
  --gold-light: #E8C97A;
  --gold-dim:   #9A7A30;
  --white:      #FFFFFF;
  --off-white:  #F4F6F8;
  --gray:       #8A9BB0;
  --gray-light: #C8D3DE;
  --gray-dark:  #4A5568;
  --text-dark:  #1A2E45;

  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-head:    'Outfit', 'Trebuchet MS', sans-serif;
  --font-body:    'DM Sans', 'Calibri', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius:   6px;
  --radius-lg: 12px;
  --shadow:   0 4px 24px rgba(13,27,42,0.18);
  --shadow-lg: 0 12px 48px rgba(13,27,42,0.28);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w: 1200px;
}

/* ─── RESET ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); border: none; }

/* ─── TYPOGRAPHY ─────────────────────────────────────────────────────────── */
h1,h2,h3,h4,h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
p  { font-size: 1rem; line-height: 1.75; color: var(--gray-dark); }

.display-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.section { padding: 7rem 0; }
.section--dark { background: var(--navy); }
.section--mid  { background: var(--navy-mid); }
.section--gray { background: var(--off-white); }
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.section-title { margin-bottom: 1rem; }
.section-sub   { font-size: 1.1rem; color: var(--gray); max-width: 60ch; }

/* ─── GOLD DIVIDER ───────────────────────────────────────────────────────── */
.gold-line {
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--gold);
  margin: 1.2rem 0 1.8rem;
}
.gold-line--center { margin-left: auto; margin-right: auto; }

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.btn-gold {
  background: var(--gold);
  color: var(--navy);
}
.btn-gold:hover {
  background: var(--gold-light);
  color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.35);
}
.btn-outline {
  border: 1.5px solid var(--gold);
  color: var(--gold);
  background: transparent;
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--navy);
  transform: translateY(-2px);
}

/* ─── NAVIGATION ─────────────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 0;
}
#site-header.scrolled {
  background: rgba(13,27,42,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}
.site-logo img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
#site-header.scrolled .site-logo img { filter: none; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}
.nav-menu a {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  letter-spacing: 0.04em;
  transition: all var(--transition);
}
.nav-menu a:hover { color: var(--gold); background: rgba(201,168,76,0.08); }
#site-header.scrolled .nav-menu a { color: var(--gray-light); }
#site-header.scrolled .nav-menu a:hover { color: var(--gold); }

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 0.3rem;
  margin-left: 1.5rem;
  border-left: 1px solid rgba(255,255,255,0.15);
  padding-left: 1.5rem;
}
.lang-btn {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.55rem;
  border-radius: 4px;
  border: 1.5px solid transparent;
  color: rgba(255,255,255,0.6);
  background: transparent;
  transition: all var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ─── HERO ───────────────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(26,46,69,0.9) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(201,168,76,0.06) 0%, transparent 60%);
}
/* Geometric grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 80% at 60% 50%, black 30%, transparent 80%);
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 7rem 3rem 5rem;
}
.hero-left { }
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.hero-eyebrow span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--gold);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.8rem;
}
.hero-title em {
  font-style: italic;
  color: var(--gold-light);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--gray-light);
  line-height: 1.8;
  max-width: 50ch;
  margin-bottom: 2.5rem;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero-logo-wrap {
  position: relative;
  width: 340px;
  max-width: 100%;
}
.hero-logo-wrap::before {
  content: '';
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
}
.hero-logo-wrap img {
  width: 100%;
  filter: drop-shadow(0 0 40px rgba(201,168,76,0.2));
  animation: logoFloat 6s ease-in-out infinite;
}
@keyframes logoFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.hero-badges {
  display: flex;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(201,168,76,0.2);
}
.hero-badge {
  text-align: center;
}
.hero-badge .num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.hero-badge .lbl {
  font-size: 0.75rem;
  color: var(--gray);
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}

/* ─── ABOUT ──────────────────────────────────────────────────────────────── */
#about {
  background: var(--off-white);
  padding: 8rem 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.stat-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gold);
}
.stat-card .num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-card .lbl {
  font-size: 0.85rem;
  color: var(--gray-light);
  line-height: 1.4;
}

/* ─── WHY CHINA ──────────────────────────────────────────────────────────── */
#why-china { background: var(--navy); padding: 8rem 0; }
#why-china h2, #why-china .section-label { color: var(--white); }
#why-china .section-sub { color: var(--gray); }
.why-cards {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}
.why-card {
  background: var(--navy-mid);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  border: 1px solid rgba(201,168,76,0.12);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201,168,76,0.4);
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dim));
}
.why-icon {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
}
.why-card h3 {
  color: var(--gold-light);
  font-size: 1.25rem;
  margin-bottom: 1.2rem;
}
.why-card ul { display: flex; flex-direction: column; gap: 0.6rem; }
.why-card ul li {
  font-size: 0.9rem;
  color: var(--gray-light);
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}
.why-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ─── DIFFERENTIALS ──────────────────────────────────────────────────────── */
#differentials { background: var(--white); padding: 8rem 0; }
.diff-list { display: flex; flex-direction: column; gap: 0; margin-top: 3.5rem; }
.diff-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: start;
  padding: 2.8rem 0;
  border-bottom: 1px solid var(--gray-light);
  transition: background var(--transition);
  cursor: default;
}
.diff-item:first-child { border-top: 1px solid var(--gray-light); }
.diff-item:hover { background: var(--off-white); margin: 0 -2rem; padding-left: 2rem; padding-right: 2rem; }
.diff-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  white-space: nowrap;
  margin-top: 0.3rem;
}
.diff-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: var(--navy);
}
.diff-body p { color: var(--gray-dark); line-height: 1.8; }

/* ─── METHODOLOGY ────────────────────────────────────────────────────────── */
#methodology { background: var(--navy); padding: 8rem 0; }
#methodology h2, #methodology .section-label { color: var(--white); }
#methodology .section-sub { color: var(--gray); }
.method-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 1rem;
  margin-top: 4rem;
}
.method-card {
  background: var(--navy-mid);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  border: 1px solid rgba(201,168,76,0.1);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.method-card:hover {
  transform: translateY(-5px);
  border-color: rgba(201,168,76,0.4);
}
.method-num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.method-card h3 {
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.method-card ul { display: flex; flex-direction: column; gap: 0.45rem; }
.method-card ul li {
  font-size: 0.8rem;
  color: var(--gray);
  padding-left: 0.8rem;
  position: relative;
  line-height: 1.45;
}
.method-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5em;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold-dim);
}

/* ─── MARKETS ────────────────────────────────────────────────────────────── */
#markets { background: var(--off-white); padding: 8rem 0; }
.markets-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 1rem;
  margin-top: 3.5rem;
}
.market-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.4rem;
  border: 1px solid var(--gray-light);
  border-left: 3px solid var(--gold);
  transition: all var(--transition);
  cursor: default;
}
.market-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-left-color: var(--gold);
  border-color: rgba(201,168,76,0.3);
}
.market-icon { font-size: 2rem; margin-bottom: 1rem; }
.market-card h3 { font-size: 0.95rem; color: var(--navy); margin-bottom: 0.4rem; }
.market-card p  { font-size: 0.8rem; color: var(--gray); line-height: 1.5; }

/* ─── CONTACT ────────────────────────────────────────────────────────────── */
#contact { background: var(--navy); padding: 8rem 0; }
#contact h2, #contact .section-label { color: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  margin-top: 4rem;
}
.offices { display: flex; flex-direction: column; gap: 2.5rem; }
.office {
  display: flex;
  gap: 1.2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(201,168,76,0.15);
}
.office:last-child { border-bottom: none; }
.office-flag { font-size: 1.8rem; line-height: 1; flex-shrink: 0; margin-top: 2px; }
.office-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 0.4rem;
}
.office-info p { font-size: 0.88rem; color: var(--gray-light); line-height: 1.7; }
.contact-form-wrap {
  background: var(--navy-mid);
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid rgba(201,168,76,0.15);
  position: relative;
  overflow: hidden;
}
.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dim));
}
.contact-form-wrap h3 { color: var(--white); margin-bottom: 2rem; }
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group select option { background: var(--navy-mid); color: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
#site-footer {
  background: var(--navy);
  border-top: 1px solid rgba(201,168,76,0.15);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.footer-logo img { height: 36px; width: auto; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.82rem; color: var(--gray); transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }
.footer-copy { font-size: 0.78rem; color: var(--gray); }

/* ─── SCROLL REVEAL ──────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── MOBILE NAV ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1.5rem 2rem 2rem;
    gap: 0.3rem;
    transform: translateY(-110%);
    transition: transform var(--transition);
    border-top: 1px solid rgba(201,168,76,0.15);
  }
  .nav-menu.open { transform: none; }
  .nav-menu a { width: 100%; padding: 0.7rem 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 1rem; color: var(--gray-light); }
  .lang-switcher { margin-left: 0; border-left: none; padding-left: 0; margin-top: 1rem; border-top: 1px solid rgba(201,168,76,0.15); padding-top: 1rem; }
  .hero-content { grid-template-columns: 1fr; padding: 6rem 1.5rem 4rem; text-align: center; }
  .hero-eyebrow { justify-content: center; }
  .hero-right { display: none; }
  .hero-badges { justify-content: center; }
  .hero-cta { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .why-cards  { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: repeat(2,1fr); }
  .markets-grid { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .diff-item { grid-template-columns: 1fr; gap: 1rem; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .about-stats { grid-template-columns: 1fr 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .markets-grid { grid-template-columns: repeat(2,1fr); }
  .hero-badges { gap: 1.5rem; }
}