/* ============================================================
   Dra. Mariana Querino — Landing Page
   Aesthetic: warm clinical / editorial — navy + coral on ivory
   ============================================================ */

:root{
  /* Palette — Cardio (default) */
  --ink:           #0E2238;          /* deep navy */
  --ink-soft:      #2B3F5A;
  --bone:          #FAF6EF;          /* ivory bg */
  --bone-2:        #F1EAE0;          /* warmer ivory */
  --paper:         #FFFFFF;
  --rule:          #E5DCCD;          /* divider */
  --muted:         #6B7383;
  --coral:         #D9603F;          /* accent — warm */
  --coral-soft:    #F4D8CB;
  --sky:           #DCE8F2;          /* infographic blue */
  --sky-deep:      #2C5478;
  --sage:          #6E8B6A;          /* used sparingly */
  --gold:          #B8945A;

  /* Type */
  --serif:  "Fraunces", "Cormorant Garamond", Georgia, serif;
  --sans:   "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:   "DM Mono", ui-monospace, Menlo, monospace;

  /* Spacing */
  --pad-x: clamp(20px, 4vw, 64px);
  --max:   1280px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bone);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
button{font: inherit; cursor:pointer; border:0; background:none; color:inherit}

/* ---------- Layout helpers ---------- */
.container{
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
.row{display:flex; gap:24px}
.col{flex:1}
.eyebrow{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--coral);
  display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{
  content:""; width:24px; height:1px; background:currentColor; display:inline-block;
}
.h-display{
  font-family: var(--serif);
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "opsz" 144;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-size: clamp(40px, 5.6vw, 84px);
  color: var(--ink);
}
.h-display em{
  font-style: italic; font-weight:400;
  color: var(--coral);
  font-variation-settings: "opsz" 144;
}
.h-section{
  font-family: var(--serif);
  font-weight: 400;
  font-variation-settings: "opsz" 96;
  letter-spacing: -0.015em;
  line-height: 1.05;
  font-size: clamp(32px, 3.6vw, 56px);
  color: var(--ink);
  margin: 0;
}
.h-section em{ font-style: italic; color: var(--coral);}
.lead{
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 56ch;
}
.body-sm{ font-size: 14px; color: var(--muted); line-height:1.5 }

/* ---------- Top bar ---------- */
.topbar{
  position: sticky; top:0; z-index: 50;
  background: color-mix(in oklab, var(--bone) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.topbar-inner{
  display:flex; align-items:center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand{
  display:flex; align-items:center; gap: 12px;
}
.brand-mark{
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--ink);
  color: var(--bone);
  display:grid; place-items:center;
  font-family: var(--serif); font-style: italic; font-size: 20px;
  font-variation-settings: "opsz" 96;
}
.brand-name{
  font-family: var(--serif); font-weight: 400;
  font-size: 18px; letter-spacing: -.01em;
  line-height: 1.1;
}
.brand-sub{
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.nav{display:flex; gap: 28px; align-items:center}
.nav a{
  font-size: 14px; color: var(--ink-soft);
  transition: color .15s;
}
.nav a:hover{ color: var(--coral); }
.btn{
  display:inline-flex; align-items:center; gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  transition: all .18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--ink); color: var(--bone);
}
.btn-primary:hover{ background: var(--coral); transform: translateY(-1px); }
.btn-ghost{
  background: transparent; color: var(--ink); border: 1px solid var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--bone); }
.btn-coral{
  background: var(--coral); color: var(--paper);
}
.btn-coral:hover{ background: var(--ink); }
.btn .arrow{
  display:inline-block; transition: transform .18s;
}
.btn:hover .arrow{ transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero{
  padding: clamp(48px, 7vw, 96px) 0 clamp(48px, 6vw, 80px);
  position: relative;
  overflow: hidden;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.hero-meta{
  display:flex; gap: 24px; flex-wrap: wrap;
  margin-top: 36px; padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.meta-item .num{
  font-family: var(--serif); font-size: 32px; font-style: italic;
  color: var(--ink); display:block; line-height:1;
  font-variation-settings: "opsz" 96;
}
.meta-item .lab{
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); margin-top: 6px;
}
.hero-actions{display:flex; gap:14px; margin-top: 32px; flex-wrap:wrap}

.hero-portrait{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 8px;
  overflow: hidden;
  background: var(--sky);
  box-shadow: 0 30px 60px -30px rgba(14,34,56,.3);
}
.hero-portrait img{
  width: 100%; height: 100%; object-fit: cover; object-position: center 18%;
}
.hero-portrait::after{
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(14,34,56,.18));
  pointer-events: none;
}
.hero-tag{
  position: absolute;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 14px 18px;
  font-size: 12px;
  box-shadow: 0 12px 30px -12px rgba(14,34,56,.2);
}
.hero-tag-1{
  top: 24px; left: -24px;
  font-family: var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft);
}
.hero-tag-2{
  bottom: 32px; right: -28px;
  display:flex; align-items: center; gap: 12px;
}
.hero-tag-2 .dot{
  width: 8px; height: 8px; border-radius: 50%; background: var(--sage);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--sage) 22%, transparent);
}
.hero-marquee{
  margin-top: clamp(64px, 7vw, 100px);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
  display:flex; gap: 64px; align-items: center;
  overflow:hidden;
  font-family: var(--mono);
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.hero-marquee span{display:inline-flex; align-items:center; gap:64px}
.hero-marquee span::after{
  content:"✦"; color: var(--coral); font-size: 14px;
}

/* ---------- Section frame ---------- */
.section{ padding: clamp(64px, 8vw, 120px) 0; position: relative; }
.section.bg-paper{ background: var(--paper); }
.section.bg-sky{ background: var(--sky); }
.section.bg-ink{ background: var(--ink); color: var(--bone); }
.section.bg-bone-2{ background: var(--bone-2); }
.section.bg-ink .h-section,
.section.bg-ink .h-display{ color: var(--bone); }
.section.bg-ink .lead{ color: color-mix(in oklab, var(--bone) 80%, transparent); }
.section.bg-ink .eyebrow{ color: var(--coral-soft); }
.section.bg-ink .meta-item .num{ color: var(--bone); }
.section.bg-ink .meta-item .lab{ color: color-mix(in oklab, var(--bone) 60%, transparent); }

.section-head{
  display:grid; grid-template-columns: 1fr 1.4fr;
  gap: clamp(24px, 5vw, 80px); margin-bottom: clamp(40px, 5vw, 64px);
  align-items: end;
}
.section-head .lead{ margin: 12px 0 0 }

/* ---------- Specialties ---------- */
.spec-grid{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.spec{
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  padding: 36px 32px 36px 0;
  display:flex; flex-direction: column; gap: 16px;
  min-height: 280px;
  position: relative;
}
.spec:nth-child(3n){ border-right: 0; padding-right: 0; }
.spec:nth-child(n+2){ padding-left: 32px; }
.spec:nth-child(3n+1){ padding-left: 0; }
.spec-num{
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: .18em;
}
.spec-title{
  font-family: var(--serif); font-size: 28px; font-weight: 400;
  font-variation-settings: "opsz" 96; line-height: 1.05;
  letter-spacing: -.01em;
}
.spec-title em{ font-style: italic; color: var(--coral); }
.spec-body{ color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }
.spec-list{
  list-style:none; padding:0; margin: auto 0 0;
  display:flex; flex-direction: column; gap: 6px;
  font-size: 13px; color: var(--muted);
}
.spec-list li{ display:flex; gap: 8px; align-items: baseline; }
.spec-list li::before{
  content:""; width: 4px; height: 4px; border-radius: 50%;
  background: var(--coral); flex: 0 0 auto;
  transform: translateY(-2px);
}

/* ---------- About ---------- */
.about-grid{
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.about-portrait{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bone-2);
}
.about-portrait img{
  width:100%; height:100%; object-fit: cover; object-position: center 35%;
}
.about-credentials{
  display:grid; grid-template-columns: 1fr 1fr; gap: 24px;
  margin-top: 36px; padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.cred .lab{
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted);
}
.cred .val{
  font-family: var(--serif); font-size: 18px; margin-top: 6px;
}
.signature{
  font-family: var(--serif); font-style: italic; font-size: 28px;
  font-variation-settings: "opsz" 96;
  color: var(--coral); margin-top: 20px; line-height:1;
}

/* ---------- Periodontia Integrativa ---------- */
.integ{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
.integ-intro{ position: sticky; top: 100px; }
.integ-quote{
  font-family: var(--serif);
  font-style: italic;
  font-variation-settings: "opsz" 96;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.3;
  color: var(--ink);
  border-left: 2px solid var(--coral);
  padding-left: 20px;
  margin-top: 28px;
}
.integ-quote::before{ content: "“"; color: var(--coral); font-size: 1.2em; line-height: 0;}

.integ-pillars{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 0;
}
.integ-pillar{
  background: var(--paper);
  padding: 24px 22px;
  display:flex; flex-direction: column; gap: 10px;
  min-height: 160px;
}
.integ-pillar .ico{
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--sky); color: var(--sky-deep);
  display:grid; place-items: center; font-size: 16px;
  margin-bottom: 4px;
}
.integ-pillar h4{
  font-family: var(--serif); font-weight: 400;
  font-variation-settings: "opsz" 72;
  font-size: 19px; line-height: 1.2; margin: 0;
  letter-spacing: -.005em;
}
.integ-pillar h4 em{ font-style: italic; color: var(--coral); }
.integ-pillar p{ font-size: 13.5px; color: var(--ink-soft); margin: 0; line-height: 1.5; }

/* Resources strip */
.integ-resources{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.res-chip{
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 14px 16px;
  display:flex; flex-direction: column; gap: 4px;
}
.res-chip .lab{
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--coral);
}
.res-chip .name{
  font-family: var(--serif); font-size: 17px;
  font-variation-settings: "opsz" 72;
  line-height: 1.15; letter-spacing: -.005em;
}
.res-chip .desc{ font-size: 12.5px; color: var(--muted); line-height: 1.4; }

/* Connections row */
.integ-connections{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-top: 32px;
}
.conn{
  padding: 20px 0;
  display:flex; flex-direction: column; gap: 4px;
  border-right: 1px solid var(--rule);
  padding-left: 20px;
}
.conn:first-child{ padding-left: 0; }
.conn:last-child{ border-right: 0; }
.conn .a, .conn .b{
  font-family: var(--serif); font-size: 18px;
  font-variation-settings: "opsz" 72; line-height: 1.1;
}
.conn .b{ font-style: italic; color: var(--coral); }
.conn .arrow-icon{ font-size: 14px; color: var(--muted); margin: 2px 0; }

/* Footnote */
.integ-foot{
  margin-top: 28px;
  padding: 18px 22px;
  background: color-mix(in oklab, var(--coral-soft) 50%, var(--bone));
  border-left: 3px solid var(--coral);
  border-radius: 0 4px 4px 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.integ-foot b{ color: var(--ink); }

@media (max-width: 768px){
  .integ{ grid-template-columns: 1fr; }
  .integ-intro{ position: static; }
  .integ-resources{ grid-template-columns: 1fr 1fr; }
  .integ-connections{ grid-template-columns: 1fr; }
  .conn{ border-right: 0; border-bottom: 1px solid var(--rule); padding-left: 0;}
  .conn:last-child{ border-bottom: 0; }
}
@media (max-width: 600px){
  .integ-pillars{ grid-template-columns: 1fr; }
  .integ-resources{ grid-template-columns: 1fr; }
}

/* ---------- Heart-disease feature ---------- */
.feature{
  display:grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.feature-art{
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, #C4D7E6 0%, #E8F1FA 60%, #FCE9E1 100%);
  padding: 36px;
  display:flex; flex-direction: column; justify-content: space-between;
}
.feature-art .badge{
  display:inline-flex; align-items:center; gap: 10px;
  background: var(--paper); padding: 10px 16px; border-radius: 999px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink); align-self: flex-start;
}
.feature-art .badge .heart{ color: var(--coral); font-size: 14px; }

.feature-art .pulse{
  height: 80px; position: relative;
  display:flex; align-items: center; justify-content: center;
}
.feature-art .pulse svg{ width:100%; height: 100%; }

.feature-art .stats{
  display:grid; grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: color-mix(in oklab, var(--paper) 70%, transparent);
  padding: 20px; border-radius: 6px;
  backdrop-filter: blur(4px);
}
.feature-art .stat .num{
  font-family: var(--serif); font-size: 38px; font-style: italic;
  font-variation-settings: "opsz" 96;
  color: var(--ink); line-height:1;
}
.feature-art .stat .lab{
  font-size: 12px; color: var(--ink-soft); margin-top: 6px; line-height:1.35;
}

.feature-list{
  list-style:none; padding:0; margin: 28px 0 0;
  display:flex; flex-direction: column; gap: 12px;
}
.feature-list li{
  padding: 14px 18px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  display:flex; gap: 14px; align-items: flex-start;
  font-size: 15px;
}
.feature-list .ico{
  flex: 0 0 auto;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--sky); color: var(--sky-deep);
  display:grid; place-items:center; font-size: 12px; font-weight: 700;
  margin-top: 1px;
}
.feature-list b{ color: var(--ink); }

/* ---------- Process ---------- */
.process{
  display:grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step{
  border-top: 1px solid var(--ink);
  padding-top: 20px;
  display:flex; flex-direction: column; gap: 10px;
  min-height: 220px;
}
.step .n{
  font-family: var(--serif); font-size: 36px; font-style: italic;
  color: var(--coral); line-height: 1;
  font-variation-settings: "opsz" 96;
}
.step h4{
  font-family: var(--serif); font-weight: 400; font-size: 22px;
  margin: 0; line-height: 1.15;
  font-variation-settings: "opsz" 72;
}
.step p{ font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.5;}

/* ---------- Testimonials ---------- */
.t-grid{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.t-card{
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 28px 26px;
  border-radius: 6px;
  display:flex; flex-direction: column; gap: 18px;
  min-height: 260px;
}
.t-card .quote{
  font-family: var(--serif); font-size: 20px;
  font-variation-settings: "opsz" 72;
  line-height: 1.35; color: var(--ink); flex:1;
  letter-spacing: -.005em;
}
.t-card .who{
  display:flex; align-items: center; gap: 12px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.t-card .ava{
  width: 38px; height:38px; border-radius: 50%;
  background: var(--bone-2); color: var(--ink);
  display:grid; place-items: center;
  font-family: var(--serif); font-style: italic; font-size: 16px;
}
.t-card .name{ font-size: 14px; font-weight: 500; line-height:1.2}
.t-card .where{ font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 3px;}
.t-card .stars{ color: var(--coral); font-size: 13px; letter-spacing: 2px;}

/* ---------- FAQ ---------- */
.faq{
  display:grid; grid-template-columns: 1fr;
  border-top: 1px solid var(--rule);
}
.faq-item{
  border-bottom: 1px solid var(--rule);
  padding: 24px 0;
  cursor: pointer;
}
.faq-q{
  display:flex; justify-content: space-between; align-items: center; gap: 24px;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(20px, 1.7vw, 26px);
  font-variation-settings: "opsz" 72;
  line-height: 1.2;
  color: var(--ink);
}
.faq-q .pm{
  flex: 0 0 auto;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--rule);
  display:grid; place-items: center;
  transition: all .2s;
  font-family: var(--sans); font-size: 18px; font-weight: 300;
  color: var(--ink);
}
.faq-item.open .pm{
  background: var(--coral); border-color: var(--coral); color: var(--paper);
  transform: rotate(45deg);
}
.faq-a{
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, margin-top .35s ease, padding-top .35s ease;
  color: var(--ink-soft); font-size: 15.5px; line-height: 1.6;
  max-width: 70ch;
}
.faq-item.open .faq-a{
  max-height: 320px; margin-top: 14px;
}

/* ---------- CTA / Contact ---------- */
.cta{
  background: var(--ink);
  color: var(--bone);
  border-radius: 12px;
  padding: clamp(40px, 5vw, 72px);
  display:grid; grid-template-columns: 1.1fr .9fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-art{
  position: absolute; right: -120px; top: -120px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, color-mix(in oklab, var(--coral) 70%, transparent), transparent 65%);
  pointer-events: none;
}
.cta h2{
  font-family: var(--serif); font-weight: 400;
  font-variation-settings: "opsz" 96;
  font-size: clamp(32px, 3.4vw, 52px); letter-spacing: -.015em;
  line-height: 1.05; margin: 0 0 16px; color: var(--bone);
}
.cta h2 em{ font-style: italic; color: var(--coral-soft); }
.cta p{ color: color-mix(in oklab, var(--bone) 75%, transparent); margin: 0 0 28px; max-width: 50ch;}
.cta-form{
  background: color-mix(in oklab, var(--paper) 8%, transparent);
  border: 1px solid color-mix(in oklab, var(--bone) 18%, transparent);
  padding: 28px;
  border-radius: 8px;
  position: relative; z-index: 1;
  backdrop-filter: blur(4px);
}
.cta-form label{
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: color-mix(in oklab, var(--bone) 60%, transparent);
  display:block; margin-bottom: 6px; margin-top: 14px;
}
.cta-form label:first-child{margin-top:0}
.cta-form input, .cta-form select{
  width:100%;
  background: transparent; border: 0;
  border-bottom: 1px solid color-mix(in oklab, var(--bone) 30%, transparent);
  padding: 8px 0;
  color: var(--bone);
  font: 15px var(--sans);
  outline: none;
}
.cta-form input::placeholder{ color: color-mix(in oklab, var(--bone) 40%, transparent); }
.cta-form input:focus, .cta-form select:focus{ border-bottom-color: var(--coral); }
.cta-form select option{ background: var(--ink); }
.cta-form .submit{
  margin-top: 24px;
  width: 100%; padding: 14px;
  background: var(--coral); color: var(--paper);
  border-radius: 999px;
  font-weight: 500; font-size: 14px;
  display:flex; align-items: center; justify-content: center; gap: 10px;
  transition: all .18s;
}
.cta-form .submit:hover{ background: var(--bone); color: var(--ink); }

.cta-info{
  display:grid; grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid color-mix(in oklab, var(--bone) 18%, transparent);
}
.info-item .lab{
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: color-mix(in oklab, var(--bone) 55%, transparent);
}
.info-item .val{
  font-family: var(--serif); font-size: 19px; margin-top: 4px;
  font-variation-settings: "opsz" 72;
}

/* ---------- Footer ---------- */
.footer{
  padding: 56px 0 32px;
  border-top: 1px solid var(--rule);
}
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer h5{
  font-family: var(--mono); font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted);
  margin: 0 0 14px;
}
.footer ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction: column; gap: 8px;}
.footer li a{ color: var(--ink-soft); font-size: 14px; }
.footer li a:hover{ color: var(--coral); }
.footer-base{
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--rule);
  display:flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
}

/* ---------- Floating WhatsApp button ---------- */
.wa{
  position: fixed; right: 24px; bottom: 24px;
  background: #25D366;
  color: white;
  width: 56px; height: 56px;
  border-radius: 50%;
  display:grid; place-items:center;
  box-shadow: 0 12px 30px -8px rgba(37,211,102,.5);
  z-index: 40;
  transition: transform .2s;
}
.wa:hover{ transform: scale(1.08); }

/* ---------- Decorative SVGs ---------- */
.deco-line{
  width: 100%; height: 1px; background: var(--rule);
  margin: 24px 0;
}
.tooth-icon{
  width: 18px; height: 18px; flex: 0 0 auto;
}

/* ---------- Mobile menu (hamburger) ---------- */
.nav-toggle{
  display:none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 50%;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
  padding: 0;
  margin-left: 10px;
}
.nav-toggle span{
  display:block; width: 18px; height: 1.5px;
  background: var(--ink);
  transition: transform .25s, opacity .25s;
}
.nav-toggle.open span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity: 0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu{
  display: none;
  position: fixed;
  top: 75px; left: 0; right: 0; bottom: 0;
  background: var(--bone);
  flex-direction: column;
  padding: 32px var(--pad-x);
  gap: 18px;
  z-index: 49;
  overflow-y: auto;
  animation: slideIn .25s ease;
}
.mobile-menu[hidden]{ display: none !important; }
.mobile-menu a{
  font-family: var(--serif);
  font-size: 22px;
  font-variation-settings: "opsz" 72;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
}
.mobile-menu a.btn{
  border-bottom: 0; justify-content: center; padding: 14px 20px;
  font-family: var(--sans); font-size: 14px;
}
@keyframes slideIn{ from{ opacity: 0; transform: translateY(-8px); } to{ opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 980px){
  .hero-grid, .about-grid, .feature, .cta { grid-template-columns: 1fr; }
  .spec-grid{ grid-template-columns: 1fr 1fr;}
  .spec:nth-child(3n){ border-right: 1px solid var(--rule); padding-right: 32px;}
  .spec:nth-child(2n){ border-right: 0; padding-right: 0;}
  .spec:nth-child(2n+1){padding-left:0}
  .spec:nth-child(2n){padding-left:32px}
  .process{ grid-template-columns: 1fr 1fr; }
  .t-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .section-head{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .nav-toggle{ display: inline-flex; }
  .topbar-inner .btn-primary{ display:none; }
  .mobile-menu:not([hidden]){ display: flex; }
}
@media (max-width: 600px){
  .spec-grid, .process{ grid-template-columns: 1fr; }
  .spec, .spec:nth-child(n){ border-right: 0; padding-left: 0; padding-right: 0;}
  .footer-grid{ grid-template-columns: 1fr; }
  .hero-tag-1, .hero-tag-2{ display: none; }
  .brand-sub{ display: none; }
  .cta-info{ grid-template-columns: 1fr; }
  .about-credentials{ grid-template-columns: 1fr; }
  .feature-art{ padding: 24px; }
  .feature-art .stats{ grid-template-columns: 1fr; gap: 14px; }
}