/* ============================================
   OVUM BXL — Light Luxury Editorial
   Hermès / Loro Piana aesthetic
   ============================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #F7F5F2;
  --bg-ivory: #F0EDE8;
  --white: #ffffff;
  --text: #2C2C2C;
  --text-light: #6B6B6B;
  --text-muted: #9A9590;
  --accent: #C6A97A;
  --accent-hover: #B89A6A;
  --border: #E2DED8;
  --border-light: #EBE8E3;
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 2rem; }
.centered { text-align: center; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.4rem 0;
  transition: all 0.4s ease;
  background: transparent;
}
.nav.scrolled {
  background: rgba(247, 245, 242, 0.97);
  backdrop-filter: blur(12px);
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.18em;
}
.nav-logo span {
  color: var(--accent);
  font-weight: 300;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  color: var(--accent) !important;
  border: 1px solid var(--accent);
  padding: 0.45rem 1.2rem;
  border-radius: 0;
  transition: all 0.3s !important;
}
.nav-cta:hover {
  background: var(--accent) !important;
  color: var(--white) !important;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lang-switcher { display: flex; gap: 0.3rem; }
.lang-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.45rem;
  cursor: pointer;
  transition: all 0.3s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { color: var(--text); border-color: var(--border); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  position: relative;
}
.hero-inner { max-width: 750px; }
.hero-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.5rem;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 2.8rem;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-line {
  position: absolute;
  bottom: 0; left: 2rem; right: 2rem;
  height: 1px;
  background: var(--border);
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--text-light); }
.btn-lg { padding: 1rem 2.4rem; font-size: 0.85rem; }
.btn-full { width: 100%; text-align: center; }

/* ── SOCIAL PROOF ── */
.proof {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border);
}
.proof-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.proof-stat { text-align: center; padding: 0 2.5rem; }
.proof-divider {
  width: 1px;
  height: 45px;
  background: var(--border);
}
.proof-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.proof-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.proof-brands {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.proof-brands span {
  font-size: 0.82rem;
  color: var(--text-light);
  letter-spacing: 0.04em;
}
.proof-brands .sep { color: var(--text-muted); font-weight: 300; }
.proof-line {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 0.95rem;
}

/* ── SECTIONS ── */
.section { padding: 6.5rem 0; }
.section-ivory { background: var(--bg-ivory); }
.section-header { margin-bottom: 3.5rem; }
.section-header.centered { text-align: center; }
.label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text);
}

/* ── PROBLEM ── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}
.problem-item {
  padding: 1.3rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color 0.3s;
}
.problem-item:hover { border-color: var(--accent); }
.problem-item p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
}
.problem-close {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.6;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
  font-style: italic;
  color: var(--text);
}

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.service-card {
  padding: 2.2rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: all 0.3s ease;
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}
.card-link {
  font-size: 0.78rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.03em;
  font-weight: 500;
  transition: color 0.3s;
}
.card-link:hover { color: var(--accent-hover); }

/* ── CASE STUDIES ── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.case-card {
  padding: 2.2rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color 0.3s;
}
.case-card:hover { border-color: var(--accent); }
.case-tag {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.case-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 1.2rem;
  line-height: 1.35;
  color: var(--text);
}
.case-result {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ── METHODOLOGY ── */
.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.method-step {
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color 0.3s;
}
.method-step:hover { border-color: var(--accent); }
.method-num {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: block;
}
.method-step h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.method-step p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ── ABOUT ── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}
.about-left .label { margin-bottom: 0.8rem; }
.about-left h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.about-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  font-weight: 400;
}
.about-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.2rem;
  color: var(--text);
  font-weight: 400;
}
.about-right p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}
.about-ln {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-top: 0.5rem;
}
.about-ln:hover { color: var(--accent-hover); }

/* ── AUTHORITY ── */
.authority-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.authority-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.authority-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color 0.3s;
}
.authority-item:hover { border-color: var(--accent); }
.auth-mark {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.authority-item p {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.5;
}

/* ── CTA ── */
.cta-section {
  padding: 6rem 0;
  background: var(--text);
}
.cta-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 500;
  color: var(--bg);
  margin-bottom: 0.8rem;
}
.cta-section p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2.2rem;
  font-weight: 300;
}

/* ── CONTACT ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-text h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  color: var(--text);
}
.contact-text > p {
  font-size: 0.92rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.contact-info a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}
.contact-info a:hover { color: var(--accent-hover); }
.contact-info p { font-size: 0.88rem; color: var(--text-muted); }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  transition: border-color 0.3s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 110px; }

/* ── FOOTER ── */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-weight: 600;
  letter-spacing: 0.15em;
  font-size: 0.85rem;
  color: var(--text);
}
.footer-logo span { color: var(--accent); font-weight: 300; }
.footer p { font-size: 0.72rem; color: var(--text-muted); }

/* ── REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .cases-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout,
  .authority-layout { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.4s ease;
    border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .nav-toggle { display: flex; }
  .nav-cta {
    text-align: center;
    width: 100%;
    padding: 0.7rem 1.2rem !important;
  }

  .hero { min-height: auto; padding: 7rem 0 4rem; }
  .hero h1 { font-size: 2rem; }

  .proof-stats { flex-direction: column; gap: 1.5rem; }
  .proof-divider { width: 40px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }

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

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
}