/* ===========================================
   AndroAdvance — Sistema Visual
   Premium / luxury — azul marino + dorado
   =========================================== */

:root {
  /* Colores marca */
  --navy-950: #050d1a;
  --navy-900: #0a172e;
  --navy-800: #0f2142;
  --navy-700: #152d57;
  --navy-600: #1d3a6e;
  --navy-500: #2d5290;

  --gold-400: #e0c285;
  --gold-500: #d4b06d;
  --gold-600: #b8924d;
  --gold-700: #8f7236;

  --cream-50: #fbf8f2;
  --cream-100: #f5efe1;
  --cream-200: #ebdfc7;

  --ink: #0a172e;
  --ink-soft: #2a3a55;
  --ink-mute: #5e6b82;

  /* Tipografía */
  --font-serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --font-sans: "Inter Tight", "Helvetica Neue", system-ui, sans-serif;

  /* Layout */
  --container: 1280px;
  --container-narrow: 980px;
  --gutter: clamp(20px, 4vw, 48px);

  /* Sombras */
  --shadow-sm: 0 4px 12px rgba(6, 16, 31, 0.08);
  --shadow-md: 0 12px 32px rgba(6, 16, 31, 0.12);
  --shadow-lg: 0 24px 64px rgba(6, 16, 31, 0.20);
  --shadow-gold: 0 12px 40px rgba(200, 169, 106, 0.25);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---------- Tipografía ---------- */
.serif { font-family: var(--font-serif); font-weight: 500; letter-spacing: -0.01em; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gold-600);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold-500);
}
.eyebrow.center::before { display: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.h-display {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 400;
}
.h-section {
  font-size: clamp(36px, 4.8vw, 64px);
  line-height: 1.02;
  font-weight: 400;
}
.h-card {
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.15;
  font-weight: 500;
}

p.lead {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.55;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.italic-accent { font-style: italic; color: var(--gold-600); font-weight: 400; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 32px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-600) 100%);
  color: var(--navy-900);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(200, 169, 106, 0.4);
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-500) 100%);
}

.btn-outline {
  background: transparent;
  color: var(--cream-50);
  border: 1px solid rgba(212, 182, 122, 0.4);
}
.btn-outline:hover {
  border-color: var(--gold-500);
  background: rgba(200, 169, 106, 0.08);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy-800);
  border: 1px solid rgba(13, 31, 60, 0.2);
}
.btn-outline-dark:hover {
  border-color: var(--navy-800);
  background: var(--navy-800);
  color: var(--cream-50);
}

.btn .arrow { transition: transform 0.35s; display: inline-block; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.4s ease;
  background: transparent;
}
.nav.scrolled {
  background: rgba(10, 24, 48, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(212, 182, 122, 0.15);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--cream-50);
}
.nav-brand img { width: 64px; height: 64px; border-radius: 50%; box-shadow: 0 4px 16px rgba(200, 169, 106, 0.25); transition: transform 0.4s ease; }
.nav.scrolled .nav-brand img { width: 52px; height: 52px; }
.nav-brand:hover img { transform: scale(1.05); }
.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav-brand-text strong {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 4px;
}
.nav.scrolled .nav-brand-text strong { font-size: 19px; }
.nav-brand-text span {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.32em;
  color: var(--gold-500);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--cream-50);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--gold-500);
  transition: width 0.35s ease;
}
.nav-links a:hover { color: var(--gold-400); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--gold-400); }

.nav-cta {
  background: var(--gold-500);
  color: var(--navy-900);
  padding: 12px 22px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
}
.nav-cta:hover { background: var(--gold-400); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--cream-50);
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-900);
    padding: 24px var(--gutter);
    gap: 18px;
    border-top: 1px solid rgba(212, 182, 122, 0.15);
  }
  .nav-mobile-open .nav-cta { display: inline-flex; align-self: flex-start; }
}

/* ---------- Sections ---------- */
section { position: relative; }

.section-pad { padding: clamp(80px, 10vw, 140px) 0; }
.section-pad-sm { padding: clamp(60px, 7vw, 100px) 0; }

.bg-navy { background: var(--navy-900); color: var(--cream-50); }
.bg-navy h1, .bg-navy h2, .bg-navy h3 { color: var(--cream-50); }
.bg-navy p.lead { color: rgba(243, 237, 224, 0.78); }

.bg-cream { background: var(--cream-50); }
.bg-deep { background: var(--navy-950); color: var(--cream-50); }
.bg-deep h1, .bg-deep h2, .bg-deep h3 { color: var(--cream-50); }

/* Decorative gold line */
.gold-line {
  width: 64px;
  height: 1px;
  background: var(--gold-500);
  margin: 24px 0;
}
.gold-line.center { margin: 24px auto; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy-900);
  color: var(--cream-50);
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 20%, rgba(212, 176, 109, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 900px 700px at 85% 80%, rgba(45, 82, 144, 0.25) 0%, transparent 60%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-copy h1 {
  color: var(--cream-50);
  margin-bottom: 28px;
  text-shadow: 0 2px 32px rgba(0, 0, 0, 0.4);
}
.hero-copy h1 .italic-accent { color: var(--gold-400); }
.hero-copy .lead {
  color: rgba(243, 237, 224, 0.78);
  margin-bottom: 40px;
  max-width: 520px;
}
.hero-cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(212, 182, 122, 0.15);
  flex-wrap: wrap;
}
.hero-meta-item .num {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--gold-400);
  display: block;
  line-height: 1;
  font-weight: 400;
}
.hero-meta-item .label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(243, 237, 224, 0.6);
  margin-top: 8px;
  display: block;
}

.hero-image-wrap {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 24, 48, 0.6) 100%);
  pointer-events: none;
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transform: scale(1.02);
}
.hero-image-frame {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(212, 182, 122, 0.45);
  pointer-events: none;
  z-index: 3;
}
.hero-image-tag {
  position: absolute;
  bottom: 32px;
  left: 32px;
  right: 32px;
  z-index: 4;
  color: var(--cream-50);
}
.hero-image-tag .label {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 8px;
}
.hero-image-tag .title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.1;
}

@media (max-width: 900px) {
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-image-wrap { aspect-ratio: 4/4; max-width: 480px; margin: 0 auto; }
}

/* Hero stacked layout (banner full-width below copy) */
.hero.hero-stacked { min-height: auto; padding: 140px 0 100px; display: block; }
.hero-stacked-copy {
  max-width: 820px;
  margin: 0 auto 56px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero-stacked-copy h1 {
  color: var(--cream-50);
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.5);
}
.hero-stacked-copy .lead { margin-left: auto; margin-right: auto; }
.hero-stacked-copy .hero-cta-row { justify-content: center; }
.hero-banner-wrap {
  display: block;
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  border-radius: 26px;
  border: 14px solid var(--gold-600);
  background: var(--gold-600);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-meta-centered {
  justify-content: center;
  margin: 56px auto 0;
  max-width: 720px;
  border-top-color: rgba(212, 182, 122, 0.15);
}

/* ---------- Section header ---------- */
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(48px, 6vw, 80px);
}
.section-head.left { text-align: left; margin-left: 0; }
.section-head h2 { margin-top: 16px; margin-bottom: 24px; }
.section-head p { color: var(--ink-soft); }
.bg-navy .section-head p, .bg-deep .section-head p { color: rgba(243, 237, 224, 0.72); }

/* ---------- Treatment cards ---------- */
.treatments-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.treatment-card {
  background: var(--cream-50);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--cream-200);
  transition: transform 0.5s, box-shadow 0.5s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.bg-navy .treatment-card, .bg-deep .treatment-card {
  background: var(--navy-800);
  border-color: rgba(212, 182, 122, 0.12);
  color: var(--cream-50);
}
.treatment-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-500);
}
.treatment-card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}
.treatment-card-img { background: var(--navy-950); }
.treatment-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  transition: transform 0.7s ease;
}
.treatment-card:hover .treatment-card-img img { transform: scale(1.05); }
.treatment-card-body {
  padding: 36px 32px 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.treatment-card-body h3 {
  font-size: 28px;
  margin-bottom: 16px;
  font-weight: 500;
}
.bg-navy .treatment-card-body h3, .bg-deep .treatment-card-body h3 { color: var(--cream-50); }
.treatment-card-body p {
  color: var(--ink-soft);
  margin-bottom: 24px;
  flex: 1;
}
.bg-navy .treatment-card-body p, .bg-deep .treatment-card-body p { color: rgba(243, 237, 224, 0.7); }
.treatment-card-link {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-600);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}
.bg-navy .treatment-card-link, .bg-deep .treatment-card-link { color: var(--gold-400); }
.treatment-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(10, 24, 48, 0.85);
  backdrop-filter: blur(8px);
  color: var(--gold-400);
  padding: 6px 14px;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
}

@media (max-width: 760px) {
  .treatments-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- Benefits / Why ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(212, 182, 122, 0.18);
  border: 1px solid rgba(212, 182, 122, 0.18);
}
.benefit {
  background: var(--navy-900);
  padding: 48px 32px;
  text-align: left;
  position: relative;
  transition: background 0.4s;
}
.benefit:hover { background: var(--navy-800); }
.benefit-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--gold-500);
  margin-bottom: 32px;
  display: block;
  letter-spacing: 0.04em;
}
.benefit h3 {
  color: var(--cream-50);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 12px;
}
.benefit p {
  color: rgba(243, 237, 224, 0.65);
  font-size: 14px;
  line-height: 1.55;
}
@media (max-width: 900px) { .benefits-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .benefits-grid { grid-template-columns: 1fr; } }

/* ---------- Process / Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.step {
  position: relative;
  padding-top: 32px;
}
.step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 1px;
  background: var(--gold-500);
}
.step-num {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--gold-600);
  font-size: 14px;
  display: block;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.step h3 {
  font-size: 26px;
  margin-bottom: 12px;
  font-weight: 500;
}
.step p { color: var(--ink-soft); }
.bg-navy .step p { color: rgba(243, 237, 224, 0.72); }

@media (max-width: 800px) { .steps { grid-template-columns: 1fr; gap: 40px; } }

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  border-top: 1px solid rgba(13, 31, 60, 0.1);
}
.bg-navy .faq-list, .bg-deep .faq-list { border-top-color: rgba(212, 182, 122, 0.18); }

.faq-item {
  border-bottom: 1px solid rgba(13, 31, 60, 0.1);
}
.bg-navy .faq-item, .bg-deep .faq-item { border-bottom-color: rgba(212, 182, 122, 0.18); }

.faq-q {
  width: 100%;
  background: transparent;
  border: none;
  padding: 28px 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  transition: color 0.3s;
}
.bg-navy .faq-q, .bg-deep .faq-q { color: var(--cream-50); }
.faq-q:hover { color: var(--gold-600); }
.bg-navy .faq-q:hover, .bg-deep .faq-q:hover { color: var(--gold-400); }

.faq-icon {
  width: 32px;
  height: 32px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.4s;
  color: var(--gold-600);
  opacity: 0.7;
}
.bg-navy .faq-icon, .bg-deep .faq-icon { color: var(--gold-400); }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.faq-icon::before { width: 12px; height: 1px; }
.faq-icon::after { width: 1px; height: 12px; transition: transform 0.4s; }

.faq-item.open .faq-icon::after { transform: rotate(90deg); }
.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, padding 0.5s ease;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
}
.bg-navy .faq-a, .bg-deep .faq-a { color: rgba(243, 237, 224, 0.72); }
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 0 32px;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--navy-950);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(200, 169, 106, 0.10) 0%, transparent 60%);
}
.cta-banner-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: clamp(80px, 10vw, 140px) 0;
}
.cta-banner h2 {
  font-size: clamp(40px, 5.5vw, 72px);
  color: var(--cream-50);
  margin-bottom: 24px;
  font-weight: 400;
}
.cta-banner p {
  color: rgba(243, 237, 224, 0.7);
  max-width: 580px;
  margin: 0 auto 40px;
  font-size: 18px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-950);
  color: rgba(243, 237, 224, 0.7);
  padding: 80px 0 40px;
  border-top: 1px solid rgba(212, 182, 122, 0.15);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand img { width: 72px; height: 72px; border-radius: 50%; margin-bottom: 20px; box-shadow: 0 4px 20px rgba(200, 169, 106, 0.2); }
.footer-brand h4 {
  color: var(--cream-50);
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 14px; max-width: 260px; line-height: 1.6; }
.footer-col h5 {
  color: var(--gold-400);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a, .footer-col li {
  color: rgba(243, 237, 224, 0.7);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--gold-400); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(212, 182, 122, 0.12);
  font-size: 12px;
  color: rgba(243, 237, 224, 0.5);
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Floating WhatsApp ---------- */
.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: transform 0.3s;
}
.float-wa:hover { transform: scale(1.08); }
.float-wa svg { width: 30px; height: 30px; fill: white; }

/* ---------- Tech split ---------- */
.tech-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: stretch;
}
.tech-split-img {
  aspect-ratio: 4/5;
  overflow: hidden;
  position: relative;
}
.tech-split-img { background: var(--navy-950); }
.tech-split-img img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.tech-split-content {
  padding: clamp(40px, 6vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.tech-split-content h3 {
  font-size: clamp(32px, 3.6vw, 48px);
  margin: 16px 0 24px;
  font-weight: 400;
}
.tech-feature-list {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tech-feature-list li {
  padding-left: 28px;
  position: relative;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.bg-navy .tech-feature-list li, .bg-deep .tech-feature-list li { color: rgba(243, 237, 224, 0.78); }
.tech-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 14px;
  height: 1px;
  background: var(--gold-500);
}

@media (max-width: 800px) {
  .tech-split { grid-template-columns: 1fr; }
  .tech-split-img { aspect-ratio: 16/10; }
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Form ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field { position: relative; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 10px;
  font-weight: 500;
}
.bg-navy .form-field label, .bg-deep .form-field label { color: var(--gold-400); }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  border: 1px solid rgba(13, 31, 60, 0.18);
  background: var(--cream-50);
  color: var(--ink);
  border-radius: 0;
  transition: border-color 0.3s;
}
.bg-navy .form-field input,
.bg-navy .form-field select,
.bg-navy .form-field textarea {
  background: rgba(10, 24, 48, 0.6);
  border-color: rgba(212, 182, 122, 0.25);
  color: var(--cream-50);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold-500);
}
.form-field textarea { min-height: 120px; resize: vertical; }

@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Page header ---------- */
.page-header {
  background: var(--navy-900);
  color: var(--cream-50);
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(200, 169, 106, 0.10) 0%, transparent 50%);
}
.page-header-inner { position: relative; z-index: 2; max-width: 880px; }
.page-header h1 {
  color: var(--cream-50);
  font-size: clamp(48px, 6.5vw, 88px);
  line-height: 0.98;
  margin: 16px 0 24px;
}
.page-header p { color: rgba(243, 237, 224, 0.78); max-width: 640px; }

.breadcrumb {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(243, 237, 224, 0.5);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--gold-400); text-decoration: none; }
.breadcrumb span { margin: 0 12px; opacity: 0.5; }

/* ---------- Symptoms list ---------- */
.symptoms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 880px;
  margin: 0 auto;
}
.symptom {
  padding: 24px 28px;
  background: var(--cream-50);
  border-left: 2px solid var(--gold-500);
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.5;
  transition: transform 0.3s;
}
.bg-navy .symptom, .bg-deep .symptom {
  background: rgba(255, 255, 255, 0.03);
  color: rgba(243, 237, 224, 0.85);
}
.symptom:hover { transform: translateX(4px); }
@media (max-width: 600px) { .symptoms-grid { grid-template-columns: 1fr; } }

/* ---------- Doctor / about card ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.about-img {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-img-frame {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(212, 182, 122, 0.4);
  pointer-events: none;
}
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 16, 31, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}
.modal-backdrop.open { display: flex; opacity: 1; }
.modal {
  background: var(--cream-50);
  max-width: 560px;
  width: 100%;
  padding: 48px 40px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.4s ease;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  width: 36px;
  height: 36px;
  cursor: pointer;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal h3 { font-size: 32px; margin-bottom: 8px; }
.modal .lead { margin-bottom: 32px; font-size: 15px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-lg { margin-bottom: 48px; }

/* ---------- Tweaks panel custom ---------- */
.tweaks-marker { display: none; }