/* ==========================================================================
   Dr. Shraddha Sureka — Premium Medical Website Design System
   Palette: Sentra blue #07588F · Sentra teal #2FB5A9 · Sentra rainbow accents
             Background #F7FAFC · White #FFFFFF · Warm gold #F4B62B
   ========================================================================== */

:root {
  --navy: #073B61;
  --navy-2: #07588F;
  --blue: #07588F;
  --blue-dark: #043A63;
  --aqua: #2FB5A9;
  --aqua-soft: #DDF5F2;
  --bg: #F7FAFC;
  --white: #FFFFFF;
  --champagne: #F7C51E;
  --champagne-soft: #FFF7D6;
  --brand-red: #E21F2D;
  --brand-orange: #EF8E22;
  --brand-green: #8ABD45;
  --ink: #22303F;
  --ink-soft: #5A6B80;
  --line: #E2EAF1;
  --danger: #B54334;
  --success: #2E7D5B;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(16,29,50,.06), 0 2px 8px rgba(16,29,50,.05);
  --shadow-md: 0 6px 24px rgba(16,29,50,.09), 0 2px 6px rgba(16,29,50,.05);
  --shadow-lg: 0 18px 50px rgba(16,29,50,.14);
  --font-head: 'Manrope', 'Plus Jakarta Sans', 'DM Sans', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --header-h: 84px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--blue-dark); }
h1, h2, h3, h4, h5 { font-family: var(--font-head); line-height: 1.22; color: var(--navy); font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.65rem, 3.2vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: 1.3rem; }
p { margin-bottom: 1.05rem; }
ul, ol { padding-left: 1.3rem; margin-bottom: 1.05rem; }
li { margin-bottom: .4rem; }
strong { color: var(--navy); }
:focus-visible { outline: 3px solid var(--aqua); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--aqua-soft); color: var(--navy); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 2000;
  background: var(--navy); color: #fff; padding: .7rem 1.2rem; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.container { width: min(100%, 92%); margin-inline: auto; }
.container--narrow { width: min(880px, 92%); margin-inline: auto; }
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section--tint { background: var(--white); }
.section--navy { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 60%, #14354F 100%); color: #DCE7F0; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
.section--aqua { background: linear-gradient(180deg, var(--aqua-soft), #fff); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-head); font-size: .8rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--blue);
  margin-bottom: 1rem;
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--champagne); }
.section--navy .eyebrow { color: var(--aqua); }
.lead { font-size: 1.16rem; color: var(--ink-soft); max-width: 62ch; }
.section--navy .lead { color: #B9CBDC; }
.section-head { max-width: 760px; margin-bottom: 2.6rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: .85rem 1.7rem; border-radius: 999px; border: 0; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap;
}
.btn svg { transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: #fff; box-shadow: 0 8px 22px rgba(33,95,143,.32); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(33,95,143,.42); }
.btn-gold { background: linear-gradient(135deg, #F7C51E, #FFD957); color: #073B61; box-shadow: 0 9px 24px rgba(247,197,30,.28); }
.btn-gold:hover { color: var(--navy); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-outline:hover { box-shadow: inset 0 0 0 1.5px var(--aqua); background: var(--aqua-soft); color: var(--navy); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.35); backdrop-filter: blur(6px); }
.btn-light:hover { background: rgba(255,255,255,.2); color: #fff; }
.btn-lg { padding: 1.05rem 2.1rem; font-size: 1.05rem; }
.btn-sm { padding: .55rem 1.15rem; font-size: .88rem; }
.text-link { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; color: var(--blue); border-bottom: 1.5px solid transparent; }
.text-link:hover { border-color: var(--aqua); }

.chip {
  display: inline-block; font-size: .76rem; font-weight: 600; letter-spacing: .04em;
  padding: .28rem .8rem; border-radius: 999px; background: var(--aqua-soft); color: #24717E;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.88); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-md); border-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: .8rem; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; width: 235px; }
.brand:hover { opacity: .92; }
.brand img.brand-logo { width: 54px; height: 54px; object-fit: contain; border-radius: 50%; }
.brand-copy { display: grid; line-height: 1.12; }
.brand-copy strong { color: var(--navy); font: 700 1rem/1.1 var(--font-head); white-space: nowrap; }
.brand-copy small { color: var(--blue); font-size: .62rem; letter-spacing: .02em; margin-top: .2rem; white-space: nowrap; }

.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; align-items: center; gap: .1rem; list-style: none; padding: 0; margin: 0; }
.main-nav li { position: relative; margin: 0; }
.main-nav > ul > li > a, .main-nav > ul > li > button {
  display: flex; align-items: center; gap: .3rem;
  font-family: var(--font-head); font-size: .79rem; font-weight: 700; letter-spacing: .015em;
  color: var(--navy); padding: .7rem .46rem; border-radius: 8px;
  background: none; border: 0; cursor: pointer; text-transform: uppercase;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li > button:hover,
.main-nav > ul > li > a.active { color: var(--blue); background: var(--aqua-soft); }
.main-nav .caret { width: 10px; height: 10px; transition: transform .25s var(--ease); }
.main-nav li.open > button .caret, .main-nav li:hover > button .caret { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translate(-50%, 8px);
  min-width: 260px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  padding: .6rem; opacity: 0; visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  list-style: none; z-index: 100;
}
.main-nav li:hover .nav-dropdown, .main-nav li.open .nav-dropdown,
.main-nav li:focus-within .nav-dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-dropdown a {
  display: block; padding: .55rem .85rem; border-radius: 8px;
  font-size: .92rem; font-weight: 500; color: var(--ink);
}
.nav-dropdown a:hover { background: var(--aqua-soft); color: var(--navy); }
.nav-dropdown--mega {
  min-width: 560px; display: grid; grid-template-columns: 1fr 1fr; gap: .15rem 1rem;
}
.nav-dropdown--mega .mega-head {
  grid-column: 1 / -1; font-size: .74rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-soft); padding: .4rem .85rem .2rem;
}

.nav-sentra {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-head); font-size: .74rem; font-weight: 700; letter-spacing: .02em;
  color: var(--navy) !important; padding: .55rem .7rem !important; border-radius: 999px;
  background: var(--champagne-soft); box-shadow: inset 0 0 0 1px #E4D3B0;
  white-space: nowrap;
}
.nav-sentra:hover { background: #EFE0C2; }
.header-cta { flex-shrink: 0; }

.nav-toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.search-toggle { background: none; border: 0; cursor: pointer; padding: .5rem; color: var(--navy); border-radius: 8px; }
.search-toggle:hover { background: var(--aqua-soft); }
.search-bar {
  display: none; position: absolute; inset: 100% 0 auto 0; background: #fff;
  border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); padding: 1rem 0;
}
.search-bar.open { display: block; }
.search-bar form { display: flex; gap: .6rem; }
.search-bar input { flex: 1; padding: .8rem 1.1rem; border: 1.5px solid var(--line); border-radius: 999px; font: inherit; }
.search-bar input:focus { border-color: var(--aqua); outline: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  background: #073B61;
  color: #E7EFF6; padding: clamp(3rem, 5vw, 5rem) 0 clamp(3.2rem, 5vw, 5rem);
}
.hero-video {
  position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: .98; filter: saturate(1.08) contrast(1.08);
  pointer-events: none;
}
.hero::before {
  content: ''; position: absolute; z-index: -1; inset: -24%;
  pointer-events: none; filter: blur(16px); opacity: .8;
  background:
    radial-gradient(circle at 17% 36%, rgba(47,181,169,.28), transparent 25%),
    radial-gradient(circle at 74% 18%, rgba(14,123,160,.34), transparent 27%),
    radial-gradient(circle at 60% 90%, rgba(247,197,30,.12), transparent 22%);
  animation: heroLightShift 16s ease-in-out infinite alternate;
}
.hero-video-overlay {
  position: absolute; z-index: -1; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(3, 27, 47, .88) 0%, rgba(5, 43, 70, .68) 42%, rgba(7, 59, 97, .3) 76%, rgba(5, 35, 57, .48) 100%),
    linear-gradient(180deg, rgba(3, 25, 42, .12), rgba(3, 25, 42, .28));
}
@keyframes heroLightShift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to { transform: translate3d(3%, 2%, 0) scale(1.08); }
}
.hero .container { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .82fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; position: relative; min-height: 540px; }
.hero-content { position: relative; z-index: 2; padding-top: clamp(2.4rem, 5vw, 4.8rem); }
.hero-cred {
  display: inline-flex; align-items: center; gap: .55rem; font-size: .82rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--aqua);
  padding: .43rem 1rem; border-radius: 999px; background: rgba(47,181,169,.12);
  box-shadow: inset 0 0 0 1px rgba(47,181,169,.32); margin-bottom: 1.25rem;
}
.hero h1 { color: #fff; font-size: clamp(2.7rem, 4.7vw, 4.35rem); line-height: 1.05; letter-spacing: -.045em; margin-bottom: .55rem; }
.hero-sub { font-family: var(--font-head); font-size: clamp(1.1rem, 2vw, 1.5rem); line-height: 1.35; font-weight: 600; color: #39C0B5; margin-bottom: 1.15rem; }
.hero-copy { color: #D0DEE8; max-width: 58ch; line-height: 1.7; margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; align-items: center; }
.hero-sentra { margin-top: 1.25rem; font-size: .9rem; color: #B9CBDC; }
.hero-sentra a { color: #E4CD9C; font-weight: 600; display: inline-flex; gap: .35rem; align-items: center; }
.hero-sentra a:hover { color: #F3E3BD; }

.hero-visual { position: relative; width: 100%; max-width: 500px; justify-self: end; }
.hero-photo {
  position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 26px;
  box-shadow: 0 26px 70px rgba(0, 14, 27, .46), 0 0 0 1px rgba(255,255,255,.2);
  background: #D6D6C9; border: 9px solid rgba(255,255,255,.9);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-photo::after {
  content: ''; position: absolute; inset: 0;
  border: 1px solid rgba(247,197,30,.7); border-radius: 17px;
  background: linear-gradient(145deg, rgba(255,255,255,.1), transparent 38%, rgba(7,59,97,.08));
  pointer-events: none;
}
.hero-photo-caption {
  position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 20px;
  display: flex; align-items: center; gap: .7rem; padding: .8rem 1rem;
  color: #fff !important; background: rgba(7, 42, 68, .88); border: 1px solid rgba(255,255,255,.34);
  border-radius: 14px; backdrop-filter: blur(10px);
}
.hero-photo-caption strong { display: block; color: #fff !important; font: 700 .9rem/1.2 var(--font-head); }
.hero-photo-caption small { display: block; margin-top: .2rem; color: #D8E8F0 !important; font-size: .72rem; }
.hero-topo {
  position: absolute; inset: -8% -10% auto auto; width: 62%; opacity: .5; pointer-events: none;
}
.hero-card {
  position: absolute; background: rgba(255,255,255,.94); backdrop-filter: blur(8px);
  border-radius: var(--radius); box-shadow: var(--shadow-md); padding: .85rem 1.15rem;
  display: flex; align-items: center; gap: .7rem; color: var(--navy);
  font-family: var(--font-head); font-size: .88rem; font-weight: 600;
}
.hero-card small { display: block; font-weight: 500; color: var(--ink-soft); font-size: .76rem; }
.hero-card--tl { top: 8%; left: -7%; }
.hero-card--br { bottom: 7%; right: -6%; }
.hero-card .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--aqua); flex-shrink: 0; box-shadow: 0 0 0 4px rgba(102,184,196,.25); }

/* ---------- Credential strip ---------- */
.cred-strip { background: #fff; border-bottom: 1px solid var(--line); }
.cred-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; padding: 2.1rem 0; }
.cred-item { text-align: center; padding: 0 .6rem; position: relative; }
.cred-item + .cred-item::before { content: ''; position: absolute; left: 0; top: 15%; height: 70%; width: 1px; background: var(--line); }
.cred-num { font-family: var(--font-head); font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 800; color: var(--blue); }
.cred-label { font-size: .86rem; color: var(--ink-soft); font-weight: 500; }
.cred-note { text-align: center; font-size: .78rem; color: var(--ink-soft); padding-bottom: 1.4rem; }

/* ---------- Cards & grids ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.service-card {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  padding: 1.9rem 1.7rem; box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-card__glow {
  position: absolute; top: -40px; right: -40px; width: 130px; height: 130px; border-radius: 50%;
  background: radial-gradient(circle, rgba(102,184,196,.25), transparent 70%);
}
.service-card__title { margin-bottom: .6rem; font-size: 1.18rem; }
.service-card__title a { color: var(--navy); }
.service-card__title a:hover { color: var(--blue); }
.service-card__text { font-size: .95rem; color: var(--ink-soft); margin-bottom: 1rem; }
.card-link { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; font-size: .92rem; }
.card-link svg { transition: transform .25s var(--ease); }
.card-link:hover svg { transform: translateX(4px); }

.glass-card {
  background: rgba(255,255,255,.75); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.9); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: clamp(1.4rem, 3vw, 2.4rem);
}

/* ---------- Video cards ---------- */
.video-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.video-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.video-card__media { position: relative; overflow: hidden; }
.video-card--reel .video-card__media { aspect-ratio: 9/13; }
.video-card--wide .video-card__media { aspect-ratio: 16/9; }
.video-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.video-card:hover .video-card__media img { transform: scale(1.06); }
.video-card__play {
  position: absolute; inset: 0; margin: auto; width: 64px; height: 64px;
  background: none; border: 0; cursor: pointer; padding: 0;
  transition: transform .3s var(--ease); filter: drop-shadow(0 6px 18px rgba(0,0,0,.35));
}
.video-card__play:hover { transform: scale(1.12); }
.video-card__duration {
  position: absolute; bottom: 10px; right: 10px; background: rgba(16,29,50,.8); color: #fff;
  font-size: .74rem; font-weight: 600; padding: .2rem .55rem; border-radius: 6px;
}
.video-card__body { padding: 1.1rem 1.2rem 1.3rem; }
.video-card__title { font-size: 1.02rem; margin: .55rem 0 .35rem; }
.video-card__title a { color: var(--navy); }
.video-card__desc { font-size: .88rem; color: var(--ink-soft); margin: 0; }

/* Video modal */
.video-modal { position: fixed; inset: 0; z-index: 1500; display: none; align-items: center; justify-content: center; padding: 1.2rem; }
.video-modal.open { display: flex; }
.video-modal__backdrop { position: absolute; inset: 0; background: rgba(10,21,38,.82); backdrop-filter: blur(4px); }
.video-modal__box { position: relative; width: min(920px, 100%); background: #000; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.video-modal__box iframe { width: 100%; aspect-ratio: 16/9; border: 0; display: block; }
.video-modal__box--reel { width: min(420px, 100%); }
.video-modal__box--reel iframe { aspect-ratio: 9/16; }
.video-modal__close {
  position: absolute; top: -46px; right: 0; background: rgba(255,255,255,.14); color: #fff;
  border: 0; width: 38px; height: 38px; border-radius: 50%; font-size: 1.15rem; cursor: pointer;
}
.video-modal__close:hover { background: rgba(255,255,255,.28); }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 2.2rem; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--aqua), var(--blue)); border-radius: 2px; }
.timeline-item { position: relative; padding-bottom: 2rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -2.2rem; top: 6px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; border: 3px solid var(--aqua); box-shadow: 0 0 0 4px var(--aqua-soft);
}
.timeline-item h3 { margin-bottom: .25rem; }
.timeline-meta { font-size: .85rem; font-weight: 600; color: var(--blue); letter-spacing: .03em; text-transform: uppercase; margin-bottom: .4rem; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: .8rem; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .3s var(--ease); }
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-item h3 { font-size: 1rem; }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: none; border: 0; padding: 1.1rem 1.3rem; cursor: pointer; text-align: left;
  font-family: var(--font-head); font-size: 1rem; font-weight: 600; color: var(--navy);
}
.faq-icon { flex-shrink: 0; color: var(--blue); transition: transform .3s var(--ease); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer__inner { padding: 0 1.3rem 1.2rem; color: var(--ink-soft); font-size: .97rem; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.3rem; margin-bottom: 1.3rem; }
.form-group--wide { grid-column: 1 / -1; }
.form-group label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--navy); margin-bottom: .4rem; }
.req { color: var(--danger); }
.optional { color: var(--ink-soft); font-weight: 400; font-size: .82rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: .8rem 1rem; border: 1.5px solid var(--line); border-radius: 10px;
  font: inherit; font-size: .97rem; color: var(--ink); background: #fff;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--aqua); outline: none; box-shadow: 0 0 0 4px rgba(102,184,196,.18);
}
.form-group input.error, .form-group select.error, .form-group textarea.error { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .82rem; margin-top: .3rem; display: block; }
.consent { display: flex; gap: .7rem; align-items: flex-start; font-size: .88rem; color: var(--ink-soft); margin-bottom: 1.3rem; }
.consent input { margin-top: .25rem; width: 17px; height: 17px; accent-color: var(--blue); flex-shrink: 0; }
.form-note { font-size: .84rem; color: var(--ink-soft); margin: .9rem 0 0; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-success {
  background: #EAF5EF; border: 1px solid #BFE0CF; color: var(--success);
  border-radius: var(--radius); padding: 1.4rem 1.6rem; margin-bottom: 1.5rem;
}
.form-error-box { background: #FBEEEC; border: 1px solid #EFCFC9; color: var(--danger); border-radius: var(--radius); padding: 1.1rem 1.4rem; margin-bottom: 1.5rem; }

/* ---------- Content pages ---------- */
.page-hero { position: relative; padding: clamp(2.8rem, 5.5vw, 4.6rem) 0; overflow: hidden; background: linear-gradient(150deg, var(--navy), #173654 70%, #1C4265); color: #E7EFF6; }
.page-hero h1 { color: #fff; max-width: 22ch; }
.page-hero .lead { color: #B9CBDC; }
.page-hero::after { content: ''; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(102,184,196,.2), transparent 65%); pointer-events: none; }
.page-hero--lasik { background: linear-gradient(150deg, #0D1B30, #14304E 60%, #1B4B74); }
.page-hero--cataract { background: linear-gradient(150deg, #12324E, #1E5E86 65%, #2E7FA6); }
.page-hero--dryeye { background: linear-gradient(150deg, #14384A, #1E6472 60%, #2E8B93); }
.page-hero--keratoconus { background: linear-gradient(150deg, #101D32, #1B2F4C 55%, #2A3F63); }
.page-hero--profile { background: linear-gradient(150deg, #101D32, #1A2C47 60%, #24385A); }

.breadcrumb { padding: 1rem 0 0; font-size: .86rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; padding: 0; margin: 0; }
.breadcrumb li { margin: 0; display: flex; gap: .35rem; align-items: center; }
.breadcrumb li:not(:last-child)::after { content: '›'; color: var(--ink-soft); }
.breadcrumb a { color: var(--blue); }

.quick-answer {
  background: linear-gradient(120deg, var(--aqua-soft), #EFF8FA);
  border-left: 4px solid var(--aqua); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.4rem 1.7rem; margin: 0 0 2.2rem;
}
.quick-answer strong.qa-label { display: block; font-family: var(--font-head); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: #24717E; margin-bottom: .45rem; }
.quick-answer p:last-child { margin: 0; }

.prose { max-width: 78ch; }
.prose h2 { margin-top: 2.6rem; scroll-margin-top: calc(var(--header-h) + 16px); }
.prose h3 { margin-top: 1.9rem; margin-bottom: .6rem; scroll-margin-top: calc(var(--header-h) + 16px); }
.prose img, .prose figure { margin: 1.6rem 0; border-radius: var(--radius); }
.service-hero-image { overflow: hidden; background: var(--aqua-soft); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.service-hero-image img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; margin: 0; }
.service-hero-image figcaption { padding: .65rem 1rem; font-size: .78rem; color: var(--ink-soft); margin: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.6rem 0; font-size: .95rem; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); display: block; overflow-x: auto; }
.prose th, .prose td { padding: .8rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--navy); color: #fff; font-family: var(--font-head); font-weight: 600; white-space: nowrap; }
.prose tr:last-child td { border-bottom: 0; }
.prose blockquote {
  border-left: 4px solid var(--champagne); background: var(--champagne-soft);
  padding: 1.2rem 1.6rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.6rem 0;
  font-size: 1.05rem; color: var(--navy);
}
.callout {
  border-radius: var(--radius); padding: 1.2rem 1.5rem; margin: 1.6rem 0; font-size: .97rem;
  background: #FFF8EC; border: 1px solid #F0DFC0;
}
.callout--urgent { background: #FBEEEC; border-color: #EFCFC9; color: #7C2D22; }
.callout strong { display: block; margin-bottom: .3rem; }

.key-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; margin: 1.8rem 0; }
.key-fact { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.key-fact strong { display: block; font-family: var(--font-head); color: var(--blue); margin-bottom: .3rem; font-size: .92rem; }
.key-fact span { font-size: .92rem; color: var(--ink-soft); }

.diagram { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1rem; box-shadow: var(--shadow-sm); }
.diagram svg { width: 100%; height: auto; border-radius: var(--radius); }

.content-layout { display: grid; grid-template-columns: 1fr 320px; gap: 3rem; align-items: start; }
.content-sidebar { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 1.4rem; }
.sidebar-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow-sm); }
.sidebar-box h3 { font-size: 1.02rem; margin-bottom: .8rem; }
.sidebar-box ul { list-style: none; padding: 0; margin: 0; }
.sidebar-box li { margin: 0; }
.sidebar-box ul a { display: block; padding: .42rem 0; font-size: .92rem; color: var(--ink); border-bottom: 1px solid var(--line); }
.sidebar-box li:last-child a { border-bottom: 0; }
.sidebar-box ul a:hover { color: var(--blue); }
.sidebar-cta { background: linear-gradient(150deg, var(--navy), #1C4265); color: #DCE7F0; border: 0; }
.sidebar-cta h3 { color: #fff; }
.sidebar-cta p { font-size: .9rem; color: #B9CBDC; }

.review-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.6rem; box-shadow: var(--shadow-sm); }
.review-stars { color: #E8B04B; letter-spacing: .15em; margin-bottom: .6rem; }
.review-text { font-size: .97rem; color: var(--ink); margin-bottom: .9rem; }
.review-meta { font-size: .84rem; color: var(--ink-soft); }

.article-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease); display: flex; flex-direction: column; }
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.article-card__img { aspect-ratio: 16/9; overflow: hidden; background: var(--aqua-soft); }
.article-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.article-card:hover .article-card__img img { transform: scale(1.05); }
.article-card__body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.article-card__title { font-size: 1.08rem; margin: .5rem 0 .5rem; }
.article-card__title a { color: var(--navy); }
.article-card__title a:hover { color: var(--blue); }
.article-card__text { font-size: .92rem; color: var(--ink-soft); flex: 1; }
.article-meta { font-size: .8rem; color: var(--ink-soft); margin-top: .9rem; display: flex; gap: .8rem; flex-wrap: wrap; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(2.2rem, 5vw, 3.6rem); background: linear-gradient(140deg, var(--navy), #1C4265); color: #E7EFF6; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #B9CBDC; max-width: 56ch; margin-inline: auto; }
.cta-band::before { content: ''; position: absolute; left: -80px; bottom: -120px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(102,184,196,.25), transparent 65%); }
.cta-band .hero-actions { justify-content: center; margin-top: 1.6rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #A9BDD0; margin-top: auto; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding: 3.6rem 0 2.6rem; }
.footer-brand svg { height: 44px; width: auto; margin-bottom: 1rem; }
.footer-logo { width: 62px; height: 62px; object-fit: contain; border-radius: 50%; margin-bottom: 1rem; background: #fff; padding: 2px; }
.footer-brand-mark strong { display: block; color: #fff; font-family: var(--font-head); font-size: 1.05rem; }
.footer-brand-mark small { display: block; color: #AFC4D6; font-size: .72rem; margin-top: .25rem; }
.footer-brand p { font-size: .92rem; max-width: 34ch; }
.footer-col h3 { color: #fff; font-size: .95rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin: 0; }
.footer-col a { display: block; padding: .3rem 0; color: #A9BDD0; font-size: .92rem; }
.footer-col a:hover { color: var(--aqua); }
.footer-sentra {
  display: inline-flex; align-items: center; gap: .45rem; margin-top: 1.2rem;
  background: rgba(200,169,107,.14); color: #E4CD9C !important; font-weight: 600;
  padding: .6rem 1.1rem; border-radius: 999px; box-shadow: inset 0 0 0 1px rgba(200,169,107,.4);
}
.footer-sentra:hover { background: rgba(200,169,107,.24); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.4rem 0 6.2rem; font-size: .84rem; display: flex; flex-wrap: wrap; gap: .8rem 2rem; justify-content: space-between; }
.footer-disclaimer { font-size: .8rem; color: #7E93A9; padding: 0 0 1.6rem; max-width: 90ch; }
@media (min-width: 861px) { .footer-bottom { padding-bottom: 1.6rem; } }

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 900; display: none;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); box-shadow: 0 -6px 24px rgba(16,29,50,.1);
}
.mobile-cta a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: .15rem;
  padding: .65rem 0 .55rem; font-family: var(--font-head); font-size: .74rem; font-weight: 700;
  letter-spacing: .05em; color: var(--navy); text-transform: uppercase;
}
.mobile-cta a svg { width: 21px; height: 21px; }
.mobile-cta a.book { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: #fff; }
.mobile-cta a.whatsapp { color: #1E7E4A; }

/* ---------- Animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .13s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .21s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .29s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .37s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .45s; }
.hero [data-hero] { opacity: 0; transform: translateY(30px); animation: heroIn .9s var(--ease) forwards; }
.hero [data-hero="2"] { animation-delay: .15s; } .hero [data-hero="3"] { animation-delay: .3s; }
.hero [data-hero="4"] { animation-delay: .45s; } .hero [data-hero="5"] { animation-delay: .6s; }
.hero .hero-actions[data-hero="5"], .hero .hero-sentra[data-hero="5"] { opacity: 1; transform: none; animation: none; }
@keyframes heroIn { to { opacity: 1; transform: none; } }
.hero-photo { animation: photoReveal 1.2s var(--ease); }
@keyframes photoReveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.topo-spin { animation: topoSpin 60s linear infinite; transform-origin: center; }
@keyframes topoSpin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal, .reveal-stagger > *, .hero [data-hero] { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .brand { width: 210px; }
  .brand img.brand-logo { width: 48px; height: 48px; }
  .main-nav > ul > li > a, .main-nav > ul > li > button { font-size: .74rem; padding: .6rem .32rem; }
  .header-inner { gap: .45rem; }
}
@media (max-width: 960px) {
  .hero { padding-top: 3rem; }
  .hero .container { grid-template-columns: 1fr; min-height: auto; gap: 2.6rem; }
  .hero-content { padding-top: 0; }
  .hero-visual { max-width: 500px; margin-inline: auto; width: 100%; }
  .content-layout { grid-template-columns: 1fr; }
  .content-sidebar { position: static; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .cred-grid { grid-template-columns: repeat(3, 1fr); gap: 1.6rem 1rem; }
  .cred-item + .cred-item::before { display: none; }
}
@media (max-width: 860px) {
  :root { --header-h: 70px; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; background: #fff; max-height: calc(100dvh - var(--header-h));
    overflow-y: auto; padding: 1rem 4% 6rem; transform: translateY(-110%); transition: transform .4s var(--ease);
    box-shadow: var(--shadow-lg); display: block;
  }
  .main-nav.open { transform: none; }
  .main-nav > ul { flex-direction: column; align-items: stretch; }
  .main-nav > ul > li > a, .main-nav > ul > li > button { width: 100%; justify-content: space-between; padding: .85rem .6rem; font-size: .92rem; }
  .nav-dropdown, .nav-dropdown--mega {
    position: static; transform: none; opacity: 1; visibility: visible; display: none;
    box-shadow: none; border: 0; border-left: 2px solid var(--aqua-soft); border-radius: 0;
    min-width: 0; padding: .2rem 0 .4rem .8rem; grid-template-columns: 1fr;
  }
  .main-nav li.open .nav-dropdown { display: block; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .mobile-cta { display: flex; }
  .nav-sentra { margin-top: .5rem; justify-content: center; }
}
@media (max-width: 640px) {
  .brand { width: 185px; }
  .brand img.brand-logo { width: 44px; height: 44px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero-card--tl { left: 0; } .hero-card--br { right: 0; }
}
