/* ==========================================================================
   FUNNEL CLÍNICO — Design tokens
   ========================================================================== */

:root {
  /* Funnel Clínico brand palette — Bionic Marketing Agency brand sheet */
  --navy: #222A53;
  --navy-deep: #12152B;
  --blue: #223B80;
  --blue-deep: #182A5C;
  --blue-mid: #3C59A3;
  --teal: #63C2CD;
  --teal-soft: #DCF1F3;
  --teal-deep: #3C9AA6;

  --paper: #F5F7FA;
  --paper-alt: #EBEFF4;
  --paper-deep: #DCE3EC;
  --ink: #14172B;
  --ink-soft: #545B72;
  --ink-faint: #8D93A6;
  --line: rgba(20, 23, 43, 0.12);
  --line-soft: rgba(20, 23, 43, 0.07);
  --accent: #223B80;
  --accent-strong: #182A5C;
  --accent-soft: #63C2CD;
  --accent-tint: #EAF6F7;
  --white: #FFFFFF;

  --serif: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --container-narrow: 760px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(20, 23, 43, 0.06);
  --shadow-md: 0 8px 30px rgba(20, 23, 43, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 23, 43, 0.14);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.container--narrow {
  max-width: var(--container-narrow);
}

section { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--accent);
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.section-head {
  max-width: 680px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.14;
  margin-top: 18px;
}
.section-head p {
  margin-top: 18px;
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 560px;
}
.section-head.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head.centered p { margin-left: auto; margin-right: auto; }

.text-serif { font-family: var(--serif); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05), 0 10px 24px rgba(24, 43, 92, 0.22);
}
.btn--primary:hover { background: var(--accent-strong); box-shadow: 0 14px 30px rgba(24, 43, 92, 0.3); }

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--ink); background: var(--paper-alt); }

.btn--onlight {
  background: var(--white);
  color: var(--accent-strong);
}
.btn--onlight:hover { background: var(--accent-tint); }

.btn--sm { padding: 11px 20px; font-size: 14px; }
.btn--block { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: padding 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(245, 247, 250, 0.001);
  backdrop-filter: blur(0px);
  transition: background 0.3s var(--ease), backdrop-filter 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
  z-index: -1;
}
.header.is-scrolled { padding: 12px 0; }
.header.is-scrolled::before {
  background: rgba(245, 247, 250, 0.85);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 27px; height: auto;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav__links {
  display: flex;
  gap: 30px;
}
.nav__links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}
.nav__links a:hover { color: var(--ink); }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  align-items: center;
  justify-content: center;
}
.nav__toggle span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink);
  position: relative;
}
.nav__toggle span::before, .nav__toggle span::after {
  content: "";
  position: absolute;
  left: 0; width: 16px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s ease;
}
.nav__toggle span::before { top: -5px; }
.nav__toggle span::after { top: 5px; }

.mobile-panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--paper);
  padding: 100px 28px 40px;
  flex-direction: column;
  gap: 6px;
}
.mobile-panel.is-open { display: flex; }
.mobile-panel a {
  font-family: var(--serif);
  font-size: 26px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink);
}
.mobile-panel .btn { margin-top: 24px; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav > .btn { display: none; }
  .nav__toggle { display: inline-flex; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 168px 0 96px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -180px; left: 50%;
  width: 900px; height: 640px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, var(--accent-soft), transparent 72%);
  opacity: 0.55;
  filter: blur(10px);
  z-index: -1;
  pointer-events: none;
}

.hero__inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.015em;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent-strong);
}

.hero__sub {
  margin: 26px auto 0;
  max-width: 620px;
  font-size: 19px;
  color: var(--ink-soft);
  line-height: 1.65;
}

.hero__ctas {
  margin-top: 38px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__micro {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--ink-faint);
}

.hero__frame {
  margin: 72px auto 0;
  max-width: 920px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  padding: 10px;
}
.hero__frame-inner {
  border-radius: 12px;
  background: linear-gradient(155deg, var(--accent-strong), var(--accent) 60%, #0E1330);
  aspect-ratio: 16/8.4;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__frame-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 75%);
}
.hero__frame-label {
  position: relative;
  color: rgba(255,255,255,0.88);
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  text-align: center;
  padding: 0 24px;
}
.hero__frame-label span {
  display: block;
  margin-top: 10px;
  font-family: var(--sans);
  font-style: normal;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

/* ==========================================================================
   Logo strip
   ========================================================================== */
.strip {
  padding: 40px 0 90px;
  text-align: center;
}
.strip__label {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 26px;
}
.strip__row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 46px;
  flex-wrap: wrap;
  opacity: 0.55;
}
.strip__row span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-soft);
}

/* ==========================================================================
   Problem section
   ========================================================================== */

.problem { padding: 110px 0; background: var(--white); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.problem--alt { background: var(--paper-alt); border-top: none; }

.problem__clusters {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cluster {
  background: var(--white);
  padding: 34px 32px;
}
.cluster__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
}
.cluster h3 {
  margin-top: 12px;
  font-size: 21px;
  line-height: 1.35;
}
.cluster ul {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.cluster li {
  font-size: 15px;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.cluster li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 5px; height: 5px;
  border-radius: 999px;
  background: var(--ink-faint);
}

.problem__verdict {
  margin: 56px auto 0;
  max-width: 640px;
  text-align: center;
}
.problem__verdict p:first-child {
  font-size: 16px;
  color: var(--ink-faint);
}
.problem__verdict p.claim {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.35;
  color: var(--ink);
}
.problem__verdict p.claim strong { color: var(--accent-strong); font-weight: 500; }

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

/* ==========================================================================
   Philosophy
   ========================================================================== */
.philosophy {
  padding: 120px 0;
  background: var(--accent-strong);
  color: var(--paper);
  overflow: hidden;
}
.philosophy .section-head h2 { color: var(--paper); }
.philosophy .section-head p { color: rgba(245,247,250,0.65); }
.philosophy .eyebrow { color: #8FD9E0; }
.philosophy .eyebrow::before { background: #8FD9E0; }

.philosophy__quotes {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.philosophy__quote {
  padding: 26px 0;
  border-top: 1px solid rgba(245,247,250,0.14);
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.5;
  color: rgba(245,247,250,0.94);
}
.philosophy__quote:last-child { border-bottom: 1px solid rgba(245,247,250,0.14); }
.philosophy__quote em { color: #AEE3E8; font-style: italic; }

/* ==========================================================================
   System / territorio
   ========================================================================== */
.system { padding: 120px 0; }

.system__layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.system__core {
  position: relative;
  aspect-ratio: 1/1;
  max-width: 440px;
  margin: 0 auto;
}
.system__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed var(--line);
}
.system__ring--2 { inset: 34px; }
.system__center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 138px; height: 138px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.3;
  padding: 10px;
  box-shadow: var(--shadow-lg);
}
.system__node {
  position: absolute;
  transform: translate(-50%, -50%);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.system__copy h2 { font-size: clamp(30px, 3.6vw, 42px); line-height: 1.16; margin-top: 18px; }
.system__copy p { margin-top: 18px; font-size: 17.5px; color: var(--ink-soft); max-width: 500px; }
.system__note {
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 2px solid var(--accent);
  background: var(--accent-tint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
  color: var(--accent-strong);
}

@media (max-width: 900px) {
  .system__layout { grid-template-columns: 1fr; gap: 56px; }
  .system__core { order: 2; }
}

/* ==========================================================================
   Method
   ========================================================================== */
.method { padding: 120px 0; background: var(--white); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

.method__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.step__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 34px;
  color: var(--accent-soft);
  -webkit-text-stroke: 1px var(--accent);
}
.step h3 {
  margin-top: 18px;
  font-size: 19px;
  line-height: 1.3;
}
.step p {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.method__steps .step:not(:last-child) {
  border-right: 1px solid var(--line-soft);
  padding-right: 24px;
}

@media (max-width: 900px) {
  .method__steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .method__steps .step:nth-child(2n) { border-right: none; padding-right: 0; }
  .method__steps .step:nth-child(1), .method__steps .step:nth-child(2) { border-bottom: 1px solid var(--line-soft); padding-bottom: 32px; }
}
@media (max-width: 560px) {
  .method__steps { grid-template-columns: 1fr; }
  .method__steps .step { border: none !important; padding: 0 0 28px !important; border-bottom: 1px solid var(--line-soft) !important; }
  .method__steps .step:last-child { border-bottom: none !important; }
}

/* ==========================================================================
   Qualifier ("para quién")
   ========================================================================== */
.qualifier { padding: 120px 0; }

.qualifier__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.qualifier__card {
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--line);
}
.qualifier__card--yes {
  background: var(--accent-strong);
  color: var(--paper);
}
.qualifier__card--no {
  background: var(--white);
}
.qualifier__card h3 {
  font-size: 22px;
}
.qualifier__card--yes h3 { color: var(--paper); }
.qualifier__card ul { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.qualifier__card li {
  font-size: 15.5px;
  line-height: 1.55;
  padding-left: 26px;
  position: relative;
}
.qualifier__card--yes li { color: rgba(245,247,250,0.88); }
.qualifier__card--no li { color: var(--ink-soft); }
.qualifier__card--yes li::before { content: "✓"; position: absolute; left: 0; top: 0; color: #8FD9E0; font-weight: 600; }
.qualifier__card--no li::before { content: "×"; position: absolute; left: 2px; top: 0; color: var(--ink-faint); font-weight: 600; }

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

/* ==========================================================================
   FAQ / Objections
   ========================================================================== */
.faq { padding: 120px 0; background: var(--white); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

.faq__list {
  border-top: 1px solid var(--line);
}
.faq__item {
  border-bottom: 1px solid var(--line);
}
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 4px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--serif);
  font-size: 19px;
  color: var(--ink);
}
.faq__q-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.faq__q-icon::before, .faq__q-icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.faq__q-icon::before { width: 10px; height: 1.3px; }
.faq__q-icon::after { width: 1.3px; height: 10px; }
.faq__item.is-open .faq__q-icon::after { transform: rotate(90deg); opacity: 0; }

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq__a-inner {
  padding: 0 4px 26px;
  max-width: 640px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.65;
}
.faq__item.is-open .faq__a { max-height: 320px; }

/* ==========================================================================
   VSL
   ========================================================================== */
.vsl { padding: 120px 0; }
.vsl__head { text-align: center; max-width: 680px; margin: 0 auto 48px; }

.vsl__player {
  max-width: 880px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  background: var(--ink);
}
.vsl__player-ratio {
  position: relative;
  aspect-ratio: 16/9;
}
.vsl__player-ratio iframe,
.vsl__player-ratio video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.vsl__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: linear-gradient(155deg, #1B2A55, #0C1026);
  color: rgba(245,247,250,0.55);
  text-align: center;
  padding: 24px;
}
.vsl__play {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(245,247,250,0.1);
  border: 1px solid rgba(245,247,250,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
}
.vsl__play::after {
  content: "";
  border-style: solid;
  border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent rgba(245,247,250,0.85);
  margin-left: 4px;
}
.vsl__placeholder small {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  font-size: 12.5px;
  color: rgba(245,247,250,0.4);
  max-width: 380px;
}

.vsl__recap {
  max-width: 720px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.vsl__recap div {
  font-size: 14px;
  color: var(--ink-soft);
  padding-top: 14px;
  border-top: 2px solid var(--accent);
}
.vsl__cta { margin-top: 48px; text-align: center; }

@media (max-width: 700px) {
  .vsl__recap { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Calendly / reunión
   ========================================================================== */
.meeting {
  padding: 120px 0 140px;
  background: var(--paper-alt);
  border-top: 1px solid var(--line-soft);
}
.meeting__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: flex-start;
}
.meeting__copy h2 { font-size: clamp(30px, 3.6vw, 42px); line-height: 1.16; margin-top: 18px; }
.meeting__copy > p { margin-top: 18px; font-size: 17.5px; color: var(--ink-soft); }

.meeting__list { margin-top: 32px; display: flex; flex-direction: column; gap: 22px; }
.meeting__list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.meeting__list .n {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.meeting__list div strong { display: block; font-size: 15.5px; color: var(--ink); margin-bottom: 3px; }
.meeting__list div span { font-size: 14.5px; color: var(--ink-soft); line-height: 1.5; }

.meeting__qualify {
  margin-top: 32px;
  font-size: 14px;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: 20px;
  line-height: 1.6;
}

.meeting__embed {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-height: 420px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.calendly-inline-widget { min-width: 100%; width: 100%; flex: 1; }

.meeting__fallback {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 40px 30px;
  text-align: center;
  color: var(--ink-faint);
}
.meeting__fallback small {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  font-size: 12px;
  max-width: 340px;
  color: var(--ink-faint);
}

@media (max-width: 900px) {
  .meeting__grid { grid-template-columns: 1fr; }
  .meeting__embed { min-height: 340px; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 64px 0 40px;
  background: var(--ink);
  color: rgba(245,247,250,0.6);
}
.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(245,247,250,0.12);
}
.footer .brand { color: var(--paper); }
.footer__tagline {
  margin-top: 14px;
  font-size: 14px;
  max-width: 320px;
  line-height: 1.6;
}
.footer__cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer__col h4 {
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245,247,250,0.45);
  font-weight: 600;
  margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a { font-size: 14.5px; transition: color 0.2s ease; }
.footer__col a:hover { color: var(--paper); }

.footer__bottom {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(245,247,250,0.35);
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Sticky mobile CTA
   ========================================================================== */
.sticky-cta {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  z-index: 90;
  display: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
}
.sticky-cta.is-visible { display: flex; }

@media (max-width: 700px) {
  body { font-size: 16px; }
  .hero { padding-top: 130px; }
  .method__steps, .system__layout { gap: 40px; }
}