:root {
  --ink: #171815;
  --muted: #6f746a;
  --olive: #5f6842;
  --olive-2: #76805a;
  --sage: #e6eadf;
  --sand: #f4eee4;
  --paper: #fffdf8;
  --line: rgba(23, 24, 21, .12);
  --glass: rgba(255, 253, 248, .78);
  --shadow: 0 30px 90px rgba(23, 24, 21, .12);
  --radius: 28px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: 20px;
  top: -80px;
  z-index: 20;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
}
.skip-link:focus { top: 20px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  transition: background .35s ease, border-color .35s ease, transform .35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(255, 253, 248, .88);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.nav {
  width: min(1180px, calc(100% - 36px));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  text-decoration: none;
  letter-spacing: -.03em;
  font-size: 1.08rem;
  font-weight: 650;
}
.brand small {
  display: block;
  margin-top: -2px;
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.menu {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(23, 24, 21, .72);
  font-size: .9rem;
}
.menu a { text-decoration: none; }
.menu a:hover { color: var(--ink); }
.nav-cta {
  border: 1px solid rgba(23, 24, 21, .18);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--ink) !important;
  background: rgba(255,255,255,.42);
}
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: 999px;
  padding: 10px 14px;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 120px 0;
}
.section.full { width: 100%; padding: 0; }
.section-kicker {
  margin: 0 0 18px;
  color: var(--olive);
  font-size: .78rem;
  font-weight: 760;
  letter-spacing: .16em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; font-weight: 520; letter-spacing: -.055em; line-height: .98; }
h1 { font-family: var(--serif); font-size: clamp(3.6rem, 9vw, 8.8rem); }
h2 { font-family: var(--serif); font-size: clamp(2.55rem, 6vw, 5.8rem); }
h3 { font-size: clamp(1.35rem, 2vw, 2rem); letter-spacing: -.04em; }
p { margin: 0; }
.lead { color: rgba(23, 24, 21, .72); font-size: clamp(1.1rem, 1.9vw, 1.42rem); max-width: 760px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 14px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 720;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 45px rgba(23,24,21,.12); }
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 18px 40px rgba(23,24,21,.18); }
.btn-olive { background: var(--olive); color: #fff; }
.btn-ghost { border: 1px solid var(--line); background: rgba(255,255,255,.52); }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(230,234,223,.9), transparent 34%),
    linear-gradient(130deg, #fffdf8 0%, #f7f1e8 100%);
}
.hero-copy {
  min-height: 100svh;
  padding: 128px max(36px, calc((100vw - 1180px) / 2)) 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-copy .lead { margin: 26px 0 32px; max-width: 650px; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 660px;
  margin-top: 48px;
}
.hero-meta span {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: var(--muted);
  font-size: .9rem;
}
.hero-visual {
  position: relative;
  min-height: 100svh;
  isolation: isolate;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 11% 9% 9% 2%;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 42px;
  z-index: 1;
  pointer-events: none;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% center;
  filter: saturate(.96) contrast(.98);
}
.floating-note {
  position: absolute;
  left: 0;
  bottom: 9%;
  z-index: 2;
  max-width: 340px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 24px;
  background: rgba(255,253,248,.72);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  transform: translateX(-26%);
}
.floating-note strong { display: block; margin-bottom: 6px; }
.scroll-cue {
  position: absolute;
  left: max(36px, calc((100vw - 1180px) / 2));
  bottom: 18px;
  z-index: 3;
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .72;
}

.intro {
  display: grid;
  grid-template-columns: .74fr 1.26fr;
  gap: 80px;
  align-items: start;
}
.intro h2 { max-width: 760px; }
.intro-copy {
  display: grid;
  gap: 26px;
  padding-top: 12px;
}
.intro-copy p { color: rgba(23,24,21,.72); font-size: 1.08rem; }

.assessment {
  padding-top: 40px;
}
.assessment-card {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 72px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 44px;
  padding: 58px;
  background:
    radial-gradient(circle at 9% 14%, rgba(230,234,223,.9), transparent 30%),
    linear-gradient(145deg, rgba(255,253,248,.92), rgba(244,238,228,.72));
  box-shadow: 0 24px 80px rgba(23,24,21,.06);
}
.assessment-copy {
  display: grid;
  gap: 24px;
}
.assessment-copy p {
  color: rgba(23,24,21,.7);
  font-size: 1.1rem;
}
.assessment-copy strong {
  display: block;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--olive-dark, #455033);
  font-size: 1.08rem;
  line-height: 1.45;
}

.preop {
  position: relative;
  padding-top: 40px;
}
.preop::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.preop-head {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 70px;
  align-items: start;
}
.preop-head .lead {
  margin-top: 18px;
}
.preop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 52px;
}
.preop-grid article {
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.38)),
    var(--sand);
  transition: transform .35s ease, border-color .35s ease, background .35s ease;
}
.preop-grid article:hover {
  transform: translateY(-6px);
  border-color: rgba(95,104,66,.32);
  background: #fff;
}
.preop-grid span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--sage);
  color: var(--olive);
  font-size: .78rem;
  font-weight: 850;
  margin-bottom: 44px;
}
.preop-grid h3 {
  margin-bottom: 14px;
}
.preop-grid p {
  color: rgba(23,24,21,.66);
}

.journey-wrap {
  background: #161813;
  color: #fff;
  border-radius: 0;
}
.journey {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 128px 0;
}
.journey .section-kicker { color: #d7dec7; }
.journey-grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 70px;
  margin-top: 52px;
}
.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(#d7dec7, rgba(215,222,199,.14));
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 18px;
  padding: 6px 0 22px;
}
.dot {
  width: 31px;
  height: 31px;
  border-radius: 50%;
  background: #d7dec7;
  color: var(--ink);
  display: grid;
  place-items: center;
  font-size: .72rem;
  font-weight: 800;
  z-index: 1;
}
.step p { color: rgba(255,255,255,.62); margin-top: 8px; }
.journey-panel {
  position: sticky;
  top: 120px;
  align-self: start;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 34px;
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
}
.journey-panel p { color: rgba(255,255,255,.72); margin-top: 20px; font-size: 1.1rem; }

.story {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 80px;
  align-items: center;
}
.story-image {
  min-height: 720px;
  border-radius: 42px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.story-image img { width: 100%; height: 100%; object-fit: cover; }
.story-copy p { margin-top: 24px; color: rgba(23,24,21,.72); font-size: 1.1rem; }
.signature {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.differentials {
  position: relative;
  background: var(--sand);
  overflow: hidden;
}
.diff-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 128px 0;
}
.diff-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 54px;
}
.diff-large {
  min-height: 520px;
  border-radius: 36px;
  padding: 42px;
  background: var(--olive);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.diff-stack { display: grid; gap: 18px; }
.diff-item {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  background: rgba(255,253,248,.7);
  transition: transform .35s ease, background .35s ease, border-color .35s ease;
}
.diff-item:hover { transform: translateY(-4px); background: #fffdf8; border-color: rgba(95,104,66,.28); }
.diff-item p, .diff-large p { margin-top: 12px; color: rgba(255,255,255,.72); }
.diff-item p { color: rgba(23,24,21,.65); }

.integrated-panel {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 72px;
  align-items: center;
  border-radius: 44px;
  padding: 56px;
  background: #171815;
  color: #fff;
  overflow: hidden;
  position: relative;
}
.integrated-panel::after {
  content: "";
  position: absolute;
  inset: auto -14% -42% auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(118,128,90,.32);
  filter: blur(8px);
}
.integrated-panel h2,
.integrated-panel p,
.integrated-panel .section-kicker,
.integrated-visual { position: relative; z-index: 1; }
.integrated-panel .section-kicker { color: #d7dec7; }
.integrated-panel p {
  margin-top: 26px;
  color: rgba(255,255,255,.72);
  font-size: 1.12rem;
}
.integrated-visual {
  display: grid;
  gap: 18px;
}
.integrated-visual span {
  display: block;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 18px 20px;
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.86);
  text-align: center;
  font-weight: 760;
}
.integrated-visual i {
  width: 1px;
  height: 82px;
  margin: 0 auto;
  background: linear-gradient(transparent, #d7dec7, transparent);
}

.proof-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
}
.proof-head .lead { max-width: 560px; }
.proof-system {
  margin-top: 42px;
  border: 1px solid var(--line);
  border-radius: 42px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.36)),
    var(--sand);
  box-shadow: 0 24px 80px rgba(23,24,21,.06);
}
.proof-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 6px 14px;
}
.proof-tabs span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255,253,248,.72);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 760;
}
.testimonial-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(320px, 430px);
  gap: 20px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 18px 2px 8px;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}
.testimonial {
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 16px 45px rgba(23,24,21,.06);
}
.quote-card {
  min-height: 430px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #fffdf8;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.quote-card:hover {
  transform: translateY(-6px);
  border-color: rgba(95,104,66,.28);
  box-shadow: 0 24px 70px rgba(23,24,21,.1);
}
.quote-card.featured {
  background:
    radial-gradient(circle at 100% 0%, rgba(215,222,199,.95), transparent 34%),
    linear-gradient(145deg, #202219, #5f6842);
  color: #fff;
}
.quote-card p {
  margin: 34px 0;
  font-family: var(--serif);
  font-size: 1.36rem;
  line-height: 1.28;
  letter-spacing: -.035em;
}
.quote-card p::before {
  content: "“";
  display: block;
  height: 0;
  transform: translateY(-16px);
  color: rgba(95,104,66,.24);
  font-size: 5.6rem;
  line-height: .4;
}
.quote-card.featured p,
.quote-card.featured .quote-source,
.quote-card.featured footer span { color: rgba(255,255,255,.72); }
.quote-source {
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.quote-card.featured .quote-source {
  border-color: rgba(255,255,255,.18);
}
.quote-card footer,
.testimonial figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: .9rem;
}
.quote-card footer {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.quote-card.featured footer {
  border-color: rgba(255,255,255,.14);
}
.quote-card footer strong {
  color: inherit;
}

.qa-plus {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
  align-items: center;
  border-radius: 44px;
  padding: 58px;
  background: linear-gradient(135deg, #202219, #5f6842);
  color: #fff;
}
.qa-card {
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 36px;
  padding: 32px;
  background:
    radial-gradient(circle at 35% 22%, rgba(255,255,255,.24), transparent 30%),
    rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.qa-mark { font-family: var(--serif); font-size: clamp(3.5rem, 8vw, 7rem); letter-spacing: -.09em; }
.qa-plus p { color: rgba(255,255,255,.72); margin-top: 22px; font-size: 1.1rem; }

.tiktok-panel {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 70px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 44px;
  padding: 58px;
  background:
    linear-gradient(135deg, rgba(255,253,248,.94), rgba(230,234,223,.72)),
    var(--paper);
  box-shadow: 0 24px 80px rgba(23,24,21,.07);
}
.tiktok-panel h2 { max-width: 700px; }
.tiktok-copy {
  display: grid;
  gap: 28px;
  color: rgba(23,24,21,.68);
  font-size: 1.08rem;
}
.tiktok-copy::before {
  content: "@nutri.ortognatica";
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  font-size: .9rem;
  font-weight: 780;
}

.faq {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 70px;
}
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); padding: 22px 0; }
.accordion summary {
  list-style: none;
  cursor: pointer;
  font-weight: 720;
  font-size: 1.08rem;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; color: var(--olive); }
.accordion details[open] summary::after { content: "–"; }
.accordion details p { margin-top: 14px; color: rgba(23,24,21,.68); max-width: 760px; }

.contact {
  background: #161813;
  color: #fff;
}
.contact-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 128px 0 54px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr .78fr;
  gap: 70px;
  align-items: end;
}
.contact .lead { color: rgba(255,255,255,.68); margin: 26px 0 32px; }
.contact-card {
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 34px;
  padding: 30px;
  background: rgba(255,255,255,.06);
}
.contact-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.contact-line:last-child { border-bottom: 0; }
.contact-line span { color: rgba(255,255,255,.56); }
.footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 32px 0;
  color: rgba(255,255,255,.45);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.1);
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 35;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-decoration: none;
  background: #2f7d46;
  color: #fff;
  font-weight: 850;
  box-shadow: 0 20px 45px rgba(47,125,70,.32);
}
.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}
.whatsapp-float span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .menu {
    position: fixed;
    inset: 82px 18px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    background: rgba(255,253,248,.96);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
  }
  .menu.is-open { display: flex; }
  .nav:not(:has(.menu-toggle)) .menu {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .nav:not(:has(.menu-toggle)) .menu a:not(.nav-cta) { display: none; }
  .hero, .intro, .assessment-card, .preop-head, .journey-grid, .story, .diff-layout, .integrated-panel, .qa-plus, .tiktok-panel, .faq, .contact-grid { grid-template-columns: 1fr; }
  .hero-copy { min-height: 74svh; padding-top: 120px; }
  .hero-visual { min-height: 72svh; }
  .floating-note { left: 22px; right: 22px; transform: none; }
  .hero-meta { grid-template-columns: 1fr; }
  .story-image { min-height: 560px; }
  .journey-panel { position: relative; top: auto; }
  .proof-head { display: block; }
  .preop-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 86px 0; }
  h1 { font-size: clamp(3rem, 14vw, 4.4rem); }
  .hero-copy { min-height: auto; padding: 108px 20px 34px; }
  .hero-copy .lead { margin: 20px 0 24px; }
  .hero-meta { display: none; }
  .hero-visual { min-height: 58svh; }
  .hero-visual::before { inset: 18px; border-radius: 26px; }
  .scroll-cue { display: none; }
  .story-image { min-height: 460px; border-radius: 30px; }
  .diff-inner, .journey, .contact-inner { padding: 90px 0; }
  .assessment-card, .integrated-panel, .diff-large, .qa-plus, .tiktok-panel { padding: 28px; border-radius: 28px; }
  .preop-grid { grid-template-columns: 1fr; }
  .preop-grid article { min-height: auto; }
  .quote-card { min-height: 390px; padding: 24px; }
  .quote-card p { font-size: 1.18rem; }
  .footer { display: block; }
}