/* ============================================
   COIBA DENTAL — El Arquitecto de la Sonrisa
   Oiba, Santander · Colombia
   ============================================ */

:root {
  --ivory: #FAF7F2;
  --cream: #F1EBE0;
  --white: #FFFFFF;
  --emerald: #0F3D2E;
  --emerald-deep: #0A2A20;
  --emerald-light: #1F5742;
  --gold: #B8945B;
  --gold-light: #D4B584;
  --charcoal: #1A1A1A;
  --gray-900: #2A2A2A;
  --gray-700: #4D4D4D;
  --gray-500: #7A7A7A;
  --gray-300: #C9C5BE;
  --gray-100: #ECE8DF;
  --wa-green: #25D366;

  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;

  --max: 1240px;
  --radius: 6px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 8px rgba(15, 61, 46, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 61, 46, 0.10);
  --shadow-lg: 0 30px 60px rgba(15, 61, 46, 0.16);
}

/* ====== reset ====== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--charcoal);
  background: var(--ivory);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; margin: 0; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ====== typography ====== */
.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 500;
  color: var(--gold);
  margin: 0 0 18px;
}
.eyebrow-light { color: var(--gold-light); }

.h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--emerald);
  margin: 0 0 24px;
}
.h2 em { font-style: italic; font-weight: 500; color: var(--gold); }
.h2-light { color: var(--ivory); }
.h2-light em { color: var(--gold-light); }

.lede {
  font-size: 18px;
  line-height: 1.65;
  color: var(--gray-700);
  margin: 0 0 28px;
  max-width: 56ch;
}
.lede-light { color: rgba(250, 247, 242, 0.86); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.section-head .eyebrow { margin-bottom: 14px; }
.section-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--gray-700);
  margin: 0;
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--emerald);
  border-bottom: 1px solid var(--emerald);
  padding-bottom: 4px;
  font-size: 15px;
  transition: gap .2s ease;
}
.link-arrow:hover { gap: 12px; }
.link-arrow span { color: var(--gold); font-weight: 600; }

/* ====== buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-align: center;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 18px 34px; font-size: 16px; }
.btn-primary {
  background: var(--emerald);
  color: var(--ivory);
  border-color: var(--emerald);
}
.btn-primary:hover {
  background: var(--emerald-deep);
  border-color: var(--emerald-deep);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--ivory);
  border-color: rgba(250, 247, 242, 0.6);
}
.btn-ghost:hover {
  background: var(--ivory);
  color: var(--emerald);
  border-color: var(--ivory);
}
.btn-gold {
  background: var(--gold);
  color: var(--emerald-deep);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  box-shadow: var(--shadow-md);
}
.btn-white-on-green {
  background: var(--ivory);
  color: var(--emerald);
  border-color: var(--ivory);
}
.btn-white-on-green:hover {
  background: var(--gold);
  color: var(--emerald-deep);
  border-color: var(--gold);
}
.btn-primary-sm, .btn-ghost-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid;
  transition: all .18s ease;
}
.btn-primary-sm {
  background: var(--emerald);
  color: var(--ivory);
  border-color: var(--emerald);
}
.btn-primary-sm:hover {
  background: var(--emerald-deep);
  border-color: var(--emerald-deep);
}
.btn-ghost-sm {
  background: transparent;
  color: var(--emerald);
  border-color: var(--gray-300);
}
.btn-ghost-sm:hover {
  border-color: var(--emerald);
  background: var(--cream);
}

/* ====== nav ====== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.nav.scrolled {
  background: rgba(250, 247, 242, 0.96);
  border-bottom-color: var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--emerald);
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
}
.brand-mark-light { background: var(--gold); color: var(--emerald-deep); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--emerald);
  letter-spacing: 0.04em;
}
.brand-sub {
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-top: 2px;
}
.brand-name-light { color: var(--ivory); }
.brand-sub-light { color: var(--gold-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color .15s ease;
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--emerald); }
.nav-links a.nav-active { color: var(--emerald); font-weight: 600; }
.nav-desk-hide { display: none; }

.nav-cta {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.btn-nav-wa {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  background: var(--gold);
  color: var(--emerald-deep);
  border: 1.5px solid var(--gold);
  transition: all .18s ease;
  white-space: nowrap;
}
.btn-nav-wa:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  box-shadow: var(--shadow-md);
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
  position: relative;
  z-index: 210;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  transition: border-color .2s ease, background .2s ease;
}
.nav-burger:hover { border-color: var(--emerald); background: var(--cream); }
.nav-burger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--emerald);
  margin: 0 auto;
  transition: transform .3s cubic-bezier(.23,1,.32,1), opacity .2s ease, background .2s ease;
}
/* burger → X when open */
.nav-burger.active { border-color: rgba(250,247,242,0.3); background: transparent; }
.nav-burger.active span { background: var(--ivory); }
.nav-burger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* menu-ctas — hidden on desktop, shown inside mobile menu */
.menu-ctas { display: none; }
.menu-phone {
  font-size: 15px;
  color: rgba(250,247,242,0.6);
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ====== hero ====== */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--ivory);
  padding: 80px 0 100px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('https://images.unsplash.com/photo-1606811971618-4486d14f3f99?w=1800&q=80&auto=format&fit=crop') center/cover no-repeat;
  filter: saturate(0.85) contrast(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 42, 32, 0.55) 0%, rgba(10, 42, 32, 0.78) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
  text-align: center;
  margin: 0 auto;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin: 0 0 28px;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(46px, 7.5vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 28px;
}
.hero-title em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 500;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
  max-width: 580px;
  margin: 0 auto 40px;
  color: rgba(250, 247, 242, 0.9);
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-foot {
  font-size: 13px;
  color: rgba(250, 247, 242, 0.65);
  margin: 0;
  letter-spacing: 0.04em;
}

/* ====== trust strip ====== */
.trust {
  background: var(--cream);
  padding: 38px 0;
}
.trust-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-cell {
  flex: 1;
  text-align: center;
  min-width: 140px;
}
.trust-num {
  font-family: var(--serif);
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 600;
  color: var(--emerald);
  line-height: 1;
  margin-bottom: 6px;
}
.trust-lbl {
  font-size: 12.5px;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}
.trust-divider {
  width: 1px;
  height: 44px;
  background: var(--gray-300);
}

/* ====== founder ====== */
.founder {
  padding: 120px 0;
  background: var(--ivory);
}
.founder-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.founder-img {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.founder-img img { width: 100%; height: 100%; object-fit: cover; }
.founder-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--ivory);
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.founder-badge-num {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--emerald);
  line-height: 1;
}
.founder-badge-lbl {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gray-700);
  font-weight: 500;
}

.founder-credentials {
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.founder-credentials li {
  padding-left: 22px;
  position: relative;
  color: var(--gray-700);
  font-size: 15px;
}
.founder-credentials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 1px;
  background: var(--gold);
}
.founder-credentials li strong { color: var(--charcoal); font-weight: 600; }

/* ====== signature ====== */
.signature {
  background: var(--emerald);
  color: var(--ivory);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.signature-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: center;
}
.signature-img {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.signature-img img { width: 100%; height: 100%; object-fit: cover; }

/* ====== services ====== */
.services {
  padding: 120px 0;
  background: var(--ivory);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  display: block;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  border: 1px solid var(--gray-100);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-img {
  aspect-ratio: 16/10;
  background-color: var(--gray-100);
  position: relative;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform .4s ease;
}
.service-card:hover .service-img img { transform: scale(1.04); }
.service-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 61, 46, 0) 60%, rgba(15, 61, 46, 0.25));
}
.service-body { padding: 32px; }
.service-stat {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--gold);
  margin: 0 0 12px;
}
.service-title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  color: var(--emerald);
  margin: 0 0 12px;
  line-height: 1.15;
}
.service-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-700);
  margin: 0 0 18px;
}
.service-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--emerald);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

/* ====== whatsapp block ====== */
.whatsapp-block {
  background: var(--emerald-deep);
  color: var(--ivory);
  padding: 110px 0;
}
.whatsapp-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: center;
}
.whatsapp-card {
  background: linear-gradient(160deg, #1F5742 0%, #0F3D2E 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(184, 148, 91, 0.2);
}
.wa-msg {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14.5px;
  line-height: 1.45;
  max-width: 80%;
}
.wa-them {
  background: rgba(250, 247, 242, 0.96);
  color: var(--charcoal);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.wa-me {
  background: var(--wa-green);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

/* ====== why ====== */
.why {
  padding: 120px 0;
  background: var(--cream);
}
.why-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 80px;
  max-width: 1080px;
  margin: 0 auto;
}
.why-row {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.why-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--emerald);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-text h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--emerald);
  margin: 4px 0 8px;
  line-height: 1.2;
}
.why-text p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-700);
  margin: 0;
}

/* ====== results ====== */
.results {
  padding: 120px 0;
  background: var(--ivory);
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.result-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
}
.result-imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--gray-100);
}
.result-img {
  aspect-ratio: 1/1;
  background-size: cover;
  background-position: center;
  position: relative;
}
.result-img span {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 61, 46, 0.85);
  color: var(--ivory);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}
.result-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
}
.result-tag {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--emerald);
}
.result-time {
  font-size: 12px;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}

/* ====== clinic ====== */
.clinic {
  padding: 120px 0;
  background: var(--cream);
}
.clinic-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.clinic-img {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.clinic-img img { width: 100%; height: 100%; object-fit: cover; }
.clinic-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin-top: 12px;
}
.clinic-list li {
  position: relative;
  padding-left: 26px;
  color: var(--gray-700);
  font-size: 15px;
}
.clinic-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--gold);
  font-weight: 700;
  font-size: 16px;
}

/* ====== testimonials ====== */
.testimonials {
  padding: 120px 0;
  background: var(--ivory);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  margin: 0;
  border: 1px solid var(--gray-100);
  position: relative;
}
.testimonial::before {
  content: "“";
  position: absolute;
  top: 6px;
  left: 24px;
  font-family: var(--serif);
  font-size: 90px;
  line-height: 1;
  color: var(--gold-light);
  opacity: 0.45;
}
.t-stars {
  color: var(--gold);
  font-size: 16px;
  letter-spacing: 2px;
  margin: 20px 0 4px;
  position: relative;
}
.t-quote {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.4;
  color: var(--emerald);
  font-style: italic;
  font-weight: 500;
  margin: 24px 0 24px;
  position: relative;
}
.t-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-style: normal;
}
.t-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
}
.t-loc {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-500);
}

/* ====== financing ====== */
.financing {
  background: var(--emerald);
  color: var(--ivory);
  padding: 100px 0;
}
.financing-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.financing-logos {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.fin-pill {
  background: rgba(250, 247, 242, 0.08);
  border: 1px solid rgba(212, 181, 132, 0.3);
  color: var(--ivory);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ====== faq ====== */
.faq {
  padding: 120px 0;
  background: var(--cream);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  padding: 22px 28px;
  transition: box-shadow .18s ease;
}
.faq-item[open] { box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--emerald);
  padding-right: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-toggle {
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 300;
  color: var(--gold);
  margin-left: 16px;
  transition: transform .25s ease;
  flex-shrink: 0;
}
.faq-item[open] .faq-toggle { transform: rotate(45deg); }
.faq-item p {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--gray-700);
}

/* ====== final cta ====== */
.final-cta {
  padding: 130px 0;
  background: var(--ivory);
  text-align: center;
}
.final-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--emerald);
  margin: 0 0 18px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.final-sub {
  font-size: 17px;
  color: var(--gray-700);
  margin: 0 0 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.final-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.final-cta .btn-ghost {
  color: var(--emerald);
  border-color: var(--emerald);
}
.final-cta .btn-ghost:hover {
  background: var(--emerald);
  color: var(--ivory);
}

/* ====== footer ====== */
.footer {
  background: var(--emerald-deep);
  color: rgba(250, 247, 242, 0.78);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 60px;
}
.footer-tag {
  font-size: 14px;
  margin: 18px 0 0;
  color: rgba(250, 247, 242, 0.6);
  max-width: 260px;
}
.footer-col h4 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--gold-light);
  margin: 0 0 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: rgba(250, 247, 242, 0.72);
  transition: color .15s ease;
}
.footer-col a:hover { color: var(--gold-light); }
.footer-col li { font-size: 14px; }
.footer-social { display: flex; gap: 14px; margin-top: 22px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(250, 247, 242, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  transition: background .18s ease, transform .18s ease;
}
.footer-social a:hover {
  background: var(--gold);
  color: var(--emerald-deep);
  transform: translateY(-2px);
}
.footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(212, 181, 132, 0.18);
  font-size: 12.5px;
  color: rgba(250, 247, 242, 0.5);
}
.footer-base p { margin: 0; }

/* ====== floating whatsapp ====== */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 100;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--wa-green);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 34px rgba(37, 211, 102, 0.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-float:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 18px 40px rgba(37, 211, 102, 0.6);
}

/* ====== reveal animation ====== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* ============================================
   RESPONSIVE — tablet ≤ 980
   ============================================ */
@media (max-width: 980px) {
  /* ── hide desktop nav, show burger ── */
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-cta { display: none; }

  /* ── full-screen menu overlay ── */
  .nav-links.open-mobile {
    display: flex !important;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    background: var(--emerald);
    padding: 100px 32px 60px;
    animation: menuIn .38s cubic-bezier(.22,.68,0,1.1) both;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  @keyframes menuIn {
    from { opacity: 0; transform: scale(.97) translateY(-10px); }
    to   { opacity: 1; transform: none; }
  }

  .nav-links.open-mobile .nav-desk-hide { display: block; }
  .nav-links.open-mobile a {
    display: block !important;
    font-family: var(--serif);
    font-size: clamp(26px, 6.5vw, 40px);
    font-weight: 500;
    color: rgba(250,247,242,0.9);
    padding: 16px 0;
    text-align: center;
    width: 100%;
    max-width: 400px;
    border-bottom: 1px solid rgba(250,247,242,0.08);
    letter-spacing: -0.01em;
    transition: color .18s ease, letter-spacing .18s ease, padding-left .18s ease;
  }
  .nav-links.open-mobile a:first-child { border-top: 1px solid rgba(250,247,242,0.08); }
  .nav-links.open-mobile a:hover,
  .nav-links.open-mobile a:focus { color: var(--gold-light); letter-spacing: 0.03em; }

  .nav-links.open-mobile .menu-ctas {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-top: 36px;
    width: 100%;
    max-width: 320px;
  }
  .nav-links.open-mobile .menu-ctas .btn { width: 100%; justify-content: center; padding: 16px 24px; font-size: 15px; }
  .nav-links.open-mobile .menu-phone { color: rgba(250,247,242,0.5); font-size: 14px; letter-spacing: 0.08em; }

  /* ── layout fixes ── */
  .founder-grid,
  .signature-grid,
  .whatsapp-inner,
  .clinic-grid { grid-template-columns: 1fr; gap: 50px; }

  .services-grid,
  .results-grid,
  .why-list { grid-template-columns: 1fr; gap: 24px; }

  .testimonials-grid { grid-template-columns: 1fr; gap: 18px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }

  .signature-img,
  .founder-img,
  .clinic-img { order: -1; }

  section { padding: 80px 0 !important; }
}

/* ============================================
   RESPONSIVE — mobile ≤ 640
   ============================================ */
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { min-height: 78vh; padding: 60px 0 80px; text-align: center; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }

  .trust-divider { display: none; }
  .trust-grid { gap: 28px 16px; }
  .trust-cell { flex: 1 1 40%; min-width: 0; }

  .section-head { margin-bottom: 44px; }
  .founder-credentials { font-size: 14px; }
  .clinic-list { grid-template-columns: 1fr; }

  .final-buttons { flex-direction: column; align-items: stretch; }
  .final-buttons .btn { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; text-align: left; }
  .footer-base { flex-direction: column; gap: 8px; text-align: center; }

  .wa-float { width: 54px; height: 54px; right: 16px; bottom: 16px; }

  .nav-cta .btn-primary-sm { padding: 9px 14px; font-size: 12.5px; }
  .brand-sub { display: none; }
}