/* =========================================================================
   sonIA — sonia.vet
   Brand: mint #4DE9B4, teal #0F5F56, navy #1A1F6E, ink #0A0A0A
   Type:  Space Grotesk (display) + Inter (body) + JetBrains Mono (system)
   ========================================================================= */

:root {
  /* core */
  --mint: #4DE9B4;
  --mint-bright: #5CEAB8;
  --mint-soft: #d6f8ea;
  --teal: #0F5F56;
  --teal-deep: #0a4942;
  --navy: #1A1F6E;
  --navy-deep: #11154d;
  --ink: #0A0A0A;
  --paper: #ffffff;
  --paper-soft: #f5faf8;
  --paper-mid: #eaf4f0;
  --line: #d8e4df;
  --muted: #5a6b66;

  --whatsapp: #25D366;

  /* type */
  --display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  /* layout */
  --maxw: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 9999px;

  --shadow: 0 10px 30px rgba(15, 95, 86, 0.08);
  --shadow-strong: 0 20px 60px rgba(15, 95, 86, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
html { overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--navy); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 0.4em;
  color: var(--ink);
}
h1 { font-size: clamp(2.1rem, 5.5vw, 4.2rem); line-height: 1.05; letter-spacing: -0.03em; overflow-wrap: break-word; }
h2 { font-size: clamp(1.7rem, 4vw, 3rem); line-height: 1.1; overflow-wrap: break-word; }
h3 { font-size: 1.25rem; line-height: 1.3; }

.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--teal);
  margin: 0 0 14px;
}
.eyebrow--mint { color: var(--mint); }
.eyebrow--navy { color: var(--mint); }

/* =================================================================== NAV */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 24px;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}
.brand__wordmark {
  height: 144px;
  width: auto;
  display: block;
}
@media (max-width: 540px) {
  .brand__wordmark { height: 120px; }
}

.nav__links {
  display: flex;
  gap: 28px;
  justify-self: center;
}
.nav__links a {
  font-weight: 500;
  font-size: 0.94rem;
  color: var(--ink);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav__links a:hover::after { transform: scaleX(1); }

.nav__right {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-self: end;
}
.nav__lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--ink);
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.nav__lang:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--paper-soft);
}
.nav__burger {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  transition: transform .2s ease;
}

/* ================================================================ BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn--lg { padding: 16px 30px; font-size: 1.05rem; }
.btn--mint {
  background: var(--mint);
  color: var(--navy-deep);
  box-shadow: 0 8px 24px rgba(77, 233, 180, 0.45);
}
.btn--mint:hover {
  background: var(--mint-bright);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(77, 233, 180, 0.55);
  color: var(--navy-deep);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn--ghost-invert {
  color: var(--paper);
  border-color: rgba(255,255,255,0.35);
}
.btn--ghost-invert:hover { border-color: var(--mint); color: var(--mint); }

/* =================================================================== HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: 60px 0 80px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-soft) 100%);
}
.hero__bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero__wave {
  position: absolute;
  top: -120px; right: -200px;
  width: 800px; height: 800px;
  background:
    radial-gradient(closest-side, rgba(77,233,180,0.45), rgba(77,233,180,0) 70%);
  filter: blur(20px);
}
.hero__glow {
  position: absolute;
  bottom: -300px; left: -150px;
  width: 700px; height: 700px;
  background:
    radial-gradient(closest-side, rgba(26,31,110,0.18), rgba(26,31,110,0) 70%);
  filter: blur(40px);
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  min-width: 0;
}
.hero__left { min-width: 0; }
.hero__lede { overflow-wrap: break-word; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--teal);
  padding: 6px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  max-width: 100%;
  flex-wrap: wrap;
  row-gap: 4px;
}
@media (max-width: 540px) {
  .kicker { font-size: 0.68rem; letter-spacing: 0.14em; padding: 6px 12px; }
}
.kicker .dot {
  width: 8px; height: 8px;
  background: var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(77,233,180,0.25);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(77,233,180,0.25); }
  50%      { box-shadow: 0 0 0 8px rgba(77,233,180,0.10); }
}

.hero__title { margin-top: 20px; }
.hero__title--accent {
  display: block;
  margin-top: 14px;
  font-size: clamp(1.1rem, 2.1vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -0.005em;
  font-weight: 600;
  background: linear-gradient(90deg, var(--teal), var(--navy));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lede {
  font-size: 1.15rem;
  color: #2b3531;
  max-width: 560px;
  margin: 18px 0 30px;
}
.hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 20px;
  margin: 0; padding: 0;
  list-style: none;
}
.hero__stats li { min-width: 0; overflow-wrap: break-word; }
.hero__stats span { overflow-wrap: break-word; word-break: break-word; }
.hero__stats li {
  display: flex; flex-direction: column;
  border-left: 2px solid var(--mint);
  padding-left: 14px;
}
.hero__stats strong {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.hero__stats span {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.3;
}

/* phone mockup */
.hero__panel { display: flex; justify-content: center; }
.phone {
  width: min(320px, 100%);
  max-width: 100%;
  background: var(--ink);
  border-radius: 38px;
  padding: 12px;
  box-shadow: var(--shadow-strong);
  position: relative;
}
.phone::before {
  /* subtle mint reflection */
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 44px;
  background: linear-gradient(135deg, rgba(77,233,180,0.4), transparent 50%);
  z-index: -1;
  filter: blur(20px);
}
.phone__notch {
  width: 110px; height: 22px;
  background: var(--ink);
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.phone__screen {
  background: #e5ddd5;
  border-radius: 26px;
  overflow: hidden;
  margin-top: -8px;
}
.wa {
  display: flex; flex-direction: column;
  height: 540px;
  background-image:
    radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 6px 6px;
  background-color: #e5ddd5;
}
.wa__header {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 10px;
  background: #008069;
  color: white;
  padding: 10px 12px;
}
.wa__back { font-size: 1.3rem; }
.wa__avatar img {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
}
.wa__name { font-weight: 600; font-size: 0.95rem; }
.wa__status { font-size: 0.72rem; opacity: 0.85; }
.wa__icons { display: flex; gap: 14px; font-size: 0.95rem; }

.wa__body {
  flex: 1;
  overflow: hidden;
  padding: 12px;
  display: flex; flex-direction: column;
  gap: 8px;
}
.bubble {
  position: relative;
  max-width: 78%;
  padding: 8px 12px 18px;
  font-size: 0.86rem;
  line-height: 1.35;
  border-radius: 8px;
  box-shadow: 0 1px 0.5px rgba(0,0,0,0.13);
  word-wrap: break-word;
}
.bubble--in {
  background: white;
  align-self: flex-start;
  border-top-left-radius: 0;
  color: #111;
}
.bubble--out {
  background: #d9fdd3;
  align-self: flex-end;
  border-top-right-radius: 0;
  color: #111;
}
.bubble__time {
  position: absolute;
  right: 8px; bottom: 4px;
  font-size: 0.65rem;
  color: #667781;
}
.bubble--voice .voice {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--teal);
}
.bubble--photo .photo-thumb {
  background: linear-gradient(135deg, var(--mint-soft), var(--paper-mid));
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px 14px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--teal-deep);
}
.bubble--typing { padding: 12px 14px 12px; }
.dots { display: inline-flex; gap: 4px; }
.dots i {
  width: 6px; height: 6px;
  background: #8a9794;
  border-radius: 50%;
  animation: bounce 1.3s infinite;
}
.dots i:nth-child(2) { animation-delay: .15s; }
.dots i:nth-child(3) { animation-delay: .3s; }
@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.6; }
  40%           { transform: translateY(-4px); opacity: 1; }
}

.wa__compose {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px;
  background: #f0f2f5;
}
.wa__input {
  background: white;
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 0.85rem;
  color: #8a9794;
}

/* ============================================================ CRED STRIP */
.strip {
  background: var(--navy);
  color: white;
  padding: 28px 0;
  position: relative;
  overflow: hidden;
}
.strip::before {
  /* waveform line */
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77,233,180,0.4), transparent);
}
.strip__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}
.strip__item {
  display: flex; flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
}
.strip__item strong {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: -0.02em;
}
.strip__item span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.3;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
.strip__sep {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.18);
}

/* ============================================================== SECTIONS */
.section { padding: 100px 0; }
.section__h {
  max-width: 880px;
}
.section__h em { font-style: normal; color: var(--teal); }
.section__lede {
  font-size: 1.1rem;
  max-width: 720px;
  color: #2b3531;
  margin: 0 0 40px;
}
.section--soft { background: var(--paper-soft); }
.section--dark {
  background: linear-gradient(160deg, var(--teal-deep), var(--navy));
  color: white;
  position: relative;
  overflow: hidden;
}
.section--dark .section__h,
.section--dark .meet__h { color: white; }

.section__h--invert { color: white; }
.section__lede--invert { color: rgba(255,255,255,0.85); max-width: 760px; }

.footnote {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 40px;
}
.footnote--center { text-align: center; }
.footnote--invert { color: rgba(255,255,255,0.7); }

/* ============================================================ WA STAT GRID */
.wa-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 20px;
}
.wa-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .2s ease, box-shadow .2s ease;
  min-width: 0;
}
.wa-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--mint);
}
.wa-card__big {
  font-family: var(--display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.03em;
  line-height: 1;
}
.wa-card__label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}
.wa-card--accent {
  background: linear-gradient(135deg, var(--mint), var(--mint-bright));
  border-color: transparent;
  color: var(--navy-deep);
}
.wa-card--accent .wa-card__big { color: var(--navy-deep); }
.wa-card--accent .wa-card__label { color: var(--navy-deep); }

/* ================================================================== MEET */
.meet {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  margin-top: 20px;
}
.meet__art {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
}
.ring {
  position: absolute;
  border: 1px solid rgba(77,233,180,0.5);
  border-radius: 50%;
}
.ring--1 { inset: 0; }
.ring--2 { inset: 12%; border-color: rgba(77,233,180,0.35); }
.ring--3 { inset: 24%; border-color: rgba(77,233,180,0.18); }
.meet__mark {
  width: 50%;
  height: 50%;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 20px 60px rgba(77,233,180,0.4);
  z-index: 1;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.ring--1 { animation: spin 60s linear infinite; }
.ring--2 { animation: spin 50s linear infinite reverse; }
.ring--3 { animation: spin 40s linear infinite; }
.ring--1::after, .ring--2::after, .ring--3::after {
  content: '';
  position: absolute;
  width: 8px; height: 8px;
  background: var(--mint);
  border-radius: 50%;
  top: -4px; left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(77,233,180,0.8);
}

.meet__h em { color: var(--mint); font-style: italic; font-weight: 500; }
.meet__lede {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin: 12px 0 28px;
}
.meet__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.meet__list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  align-items: start;
  color: rgba(255,255,255,0.92);
}
.meet__list strong { color: white; }
.meet__chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid rgba(77,233,180,0.5);
  border-radius: var(--radius-pill);
  color: var(--mint);
  text-align: center;
}

/* ================================================================== STEPS */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: transform .2s ease, border-color .2s ease;
  min-width: 0;
}
.step:hover { transform: translateY(-2px); border-color: var(--teal); }
.step--accent {
  background: linear-gradient(160deg, var(--teal-deep), var(--navy));
  color: white;
  border-color: transparent;
}
.step__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--teal);
  margin-bottom: 14px;
}
.step--accent .step__num { color: var(--mint); }
.step--accent .step__h { color: white; }
.step--accent p { color: rgba(255,255,255,0.88); }
.step__h { font-size: 1.3rem; margin-bottom: 10px; }

/* ================================================================ PROBLEM */
.problem {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}
.problem__cell {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--line);
  min-width: 0;
}
.problem__big {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.03em;
  line-height: 1;
}
.problem__label {
  font-weight: 600;
  margin-top: 10px;
  color: var(--teal);
}
.problem__sub {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 6px;
}
.pull {
  margin: 50px 0 0;
  padding: 30px 36px;
  border-left: 4px solid var(--mint);
  background: var(--paper);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--display);
  font-size: 1.4rem;
  line-height: 1.35;
  color: var(--ink);
}
.pull cite {
  display: block;
  margin-top: 14px;
  font-family: var(--body);
  font-style: normal;
  font-size: 0.9rem;
  color: var(--muted);
}

/* =============================================================== SPONSORS */
.sponsors {
  position: relative;
  background:
    radial-gradient(circle at 20% 0%, rgba(77,233,180,0.18), transparent 50%),
    linear-gradient(160deg, var(--navy-deep), var(--ink));
  color: white;
  padding: 120px 0;
  overflow: hidden;
}
.sponsors__band {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, transparent 49.5%, rgba(77,233,180,0.06) 50%, transparent 50.5%),
    linear-gradient(0deg, transparent 49.5%, rgba(77,233,180,0.04) 50%, transparent 50.5%);
  background-size: 60px 60px;
  opacity: 0.6;
  pointer-events: none;
}
.sponsors .container { position: relative; z-index: 1; }

.hl {
  background: linear-gradient(90deg, var(--mint), var(--mint-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sponsors__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.sp-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
  min-width: 0;
}
.sp-card:hover {
  transform: translateY(-3px);
  border-color: var(--mint);
  background: rgba(77,233,180,0.06);
}
.sp-card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.sp-card__h { color: white; margin-bottom: 10px; }
.sp-card p { color: rgba(255,255,255,0.82); margin-bottom: 16px; }
.sp-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.sp-card__list li {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.78);
  padding-left: 22px;
  position: relative;
}
.sp-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--mint);
  font-weight: 700;
}
.sponsors__cta {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-top: 20px;
}

/* ================================================================= VIDAAH */
.vidaah {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}
.vidaah__creds {
  list-style: none;
  padding: 0;
  margin: 18px 0 28px;
  display: grid;
  gap: 8px;
}
.vidaah__creds li {
  padding: 12px 16px;
  background: var(--paper-soft);
  border-left: 3px solid var(--mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.95rem;
}
.lineage {
  display: flex; flex-direction: column;
  gap: 4px;
}
.lineage__node {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  align-items: center;
  transition: transform .2s ease;
}
.lineage__node span {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.lineage__node strong {
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--navy);
  display: block;
}
.lineage__node em {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--muted);
  display: block;
  margin-top: 2px;
}
.lineage__node--current {
  background: linear-gradient(135deg, var(--mint), var(--mint-bright));
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(77,233,180,0.4);
}
.lineage__node--current strong { color: var(--navy-deep); }
.lineage__node--current span,
.lineage__node--current em { color: var(--navy-deep); }
.lineage__line {
  width: 2px; height: 18px;
  background: var(--line);
  margin-left: 32px;
}

/* ===================================================================== CTA */
.cta {
  background:
    radial-gradient(circle at 80% 20%, rgba(77,233,180,0.25), transparent 50%),
    linear-gradient(160deg, var(--teal-deep), var(--navy));
  color: white;
  padding: 100px 0;
}
.cta__inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.cta__h {
  color: white;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
}
.cta__lede {
  color: rgba(255,255,255,0.95);
  font-family: var(--display, var(--body));
  font-weight: 600;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  letter-spacing: -0.005em;
  max-width: 680px;
  margin: 0 auto 24px;
}
.cta__body {
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 680px;
  margin: 0 auto 16px;
}
.cta__body strong { color: #fff; }
.cta__body:last-of-type { margin-bottom: 32px; }
.cta__submit--center {
  align-items: center;
  margin-top: 8px;
}
.cta__form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(8px);
  text-align: left;
}
.cta__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 16px;
}
.cta__label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.78);
}
.cta__label--full { display: block; margin-bottom: 16px; }
.cta__label input,
.cta__label select,
.cta__label textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  font-family: var(--body);
  font-size: 0.98rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .2s ease, background .2s ease;
  width: 100%;
}
.cta__label input::placeholder,
.cta__label textarea::placeholder { color: rgba(255,255,255,0.4); }
.cta__label input:focus,
.cta__label select:focus,
.cta__label textarea:focus {
  border-color: var(--mint);
  background: rgba(255,255,255,0.12);
}
.cta__label select option { color: var(--ink); }
.cta__submit {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  margin-top: 20px;
  text-align: center;
}
.cta__fine {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin: 0;
}

/* ================================================================= FOOTER */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.78);
  padding: 60px 0 40px;
  font-size: 0.92rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: 40px;
  align-items: start;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.footer__wordmark {
  display: block;
  height: 84px;
  width: auto;
  margin-bottom: 2px;
}
.footer__tag {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
  line-height: 1.5;
}
@media (max-width: 540px) {
  .footer__wordmark { height: 64px; }
}
.footer__nav {
  display: flex; flex-direction: column; gap: 10px;
}
.footer__nav a { color: rgba(255,255,255,0.85); }
.footer__nav a:hover { color: var(--mint); }
.footer__legal p {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.55;
}

/* ============================================================== RESPONSIVE */
@media (max-width: 960px) {
  .hero { padding-top: 40px; }
  .hero__inner { grid-template-columns: minmax(0, 1fr); gap: 50px; }
  .hero__panel { order: 2; }
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__right { justify-self: end; gap: 8px; }
  .nav__burger { display: block; }
  .nav__inner { grid-template-columns: 1fr auto auto; }

  .strip__inner {
    grid-template-columns: 1fr 1fr;
    gap: 20px 14px;
  }
  .strip__sep { display: none; }

  .meet { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .meet__art { max-width: 320px; margin: 0 auto; }
  .meet__list li { grid-template-columns: 1fr; gap: 6px; }

  .wa-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .problem { grid-template-columns: minmax(0, 1fr); }
  .sponsors__grid { grid-template-columns: minmax(0, 1fr); }
  .vidaah { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .footer__inner { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .cta__row { grid-template-columns: minmax(0, 1fr); }

  .section { padding: 70px 0; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wa-grid { grid-template-columns: minmax(0, 1fr); }
  .strip__inner { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .strip { padding: 24px 0; }
  .container { padding: 0 20px; }
  .nav__inner { padding: 12px 20px; }
  .hero { padding: 30px 0 60px; }
  .hero__inner { gap: 36px; }
  .section { padding: 56px 0; }
  .sponsors { padding: 70px 0; }
  .cta { padding: 70px 0; }
  .cta__form { padding: 22px; }
  .pull { padding: 22px 24px; font-size: 1.1rem; }
  .step, .problem__cell, .sp-card, .wa-card { padding: 24px; }
  .lineage__node { padding: 14px 18px; grid-template-columns: 76px 1fr; gap: 12px; }
  .lineage__node strong { font-size: 0.98rem; }
  .hero__lede, .section__lede { font-size: 1rem; }
  .meet__lede { font-size: 1rem; }
}

/* ============================================================== MOBILE NAV */
.nav__links.open {
  display: flex;
  position: absolute;
  top: 100%; left: 0; right: 0;
  flex-direction: column;
  background: white;
  padding: 20px 24px;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}

/* ============================================================== FLOATING WHATSAPP FAB */
.wa-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px 14px 16px;
  background: #25D366;
  color: #fff;
  border-radius: 999px;
  font-family: var(--ff-sans, 'Inter', system-ui, sans-serif);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35), 0 4px 12px rgba(0,0,0,0.15);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.wa-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(37, 211, 102, 0.45), 0 6px 16px rgba(0,0,0,0.18);
  background: #1ebe5d;
}
.wa-fab__icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.wa-fab__label { white-space: nowrap; }

@media (max-width: 540px) {
  .wa-fab { bottom: 16px; right: 16px; padding: 12px; }
  .wa-fab__label { display: none; }
  .wa-fab__icon { width: 28px; height: 28px; }
}