/* ===========================================================
   Colágeno Tipo II PRO — Landing Page
   Palette: Naturance navy/gold, derived from product packaging
   ----------------------------------------------------------
   --navy-900  #060d1a   background base
   --navy-800  #0b1830   panels
   --navy-700  #12213f   cards
   --gold-500  #d9b25e   primary accent (label gold)
   --gold-300  #f0d999   accent highlight
   --ember-500 #ff5a2e   pain/relief accent (from bottle artwork)
   --ice-100   #eef3fb   near-white text
   --ice-400   #9fb0cc   muted text
=========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Archivo:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,600;1,9..144,500&display=swap');

:root {
  --navy-900: #060d1a;
  --navy-800: #0b1830;
  --navy-700: #12213f;
  --navy-600: #1a2d4f;
  --gold-500: #d9b25e;
  --gold-300: #f0d999;
  --ember-500: #ff5a2e;
  --ember-400: #ff7d4d;
  --ice-100: #eef3fb;
  --ice-400: #9fb0cc;
  --line: rgba(238, 243, 251, 0.1);
  --radius: 18px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--navy-900);
  color: var(--ice-100);
  font-family: 'Archivo', sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12.5px;
  color: var(--gold-300);
}

/* background texture: joint/skeletal glow, ambient rather than literal */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(700px 500px at 82% 8%, rgba(255, 90, 46, 0.14), transparent 60%),
    radial-gradient(900px 600px at 10% 30%, rgba(217, 178, 94, 0.08), transparent 55%),
    var(--navy-900);
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 15.5px;
  padding: 17px 30px;
  border-radius: 999px;
  cursor: pointer;
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--ember-400), var(--ember-500));
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(255, 90, 46, 0.65);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--gold-300);
  border: 1.5px solid rgba(217, 178, 94, 0.45);
}
.btn-ghost:hover { border-color: var(--gold-300); background: rgba(217,178,94,0.06); }
.btn-block { width: 100%; }
.btn-lg { padding: 20px 34px; font-size: 17px; }

.pulse-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 0 rgba(255,255,255,0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.55); }
  70% { box-shadow: 0 0 0 9px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}

/* ---------------- Header ---------------- */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(6, 13, 26, 0.72);
  border-bottom: 1px solid var(--line);
}
header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-family: 'Fraunces', serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.logo span { color: var(--gold-300); font-style: italic; }
header .btn { padding: 12px 22px; font-size: 14px; }

/* ---------------- Hero ---------------- */
.hero {
  padding: 76px 0 60px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  margin: 18px 0 22px;
}
.hero h1 em {
  font-style: italic;
  color: var(--gold-300);
}
.hero p.lede {
  font-size: 18px;
  color: var(--ice-400);
  max-width: 46ch;
  margin-bottom: 30px;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.trust-mini {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--ice-400);
  font-size: 13.5px;
}
.trust-mini strong { color: var(--ice-100); }

.hero-art { position: relative; }
.hero-art .glow {
  position: absolute;
  inset: -60px;
  background: radial-gradient(circle at 60% 40%, rgba(255,90,46,0.25), transparent 62%);
  filter: blur(10px);
  z-index: 0;
}
.hero-art img {
  position: relative;
  z-index: 1;
  border-radius: 22px;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.75);
}

/* ---------------- Marquee bar ---------------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--navy-800);
  padding: 14px 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: scroll 26s linear infinite;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ice-400);
  font-weight: 600;
}
.marquee-track span { white-space: nowrap; }
.marquee-track .dot { color: var(--gold-500); }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------------- Section shell ---------------- */
section { padding: 84px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); margin-top: 14px; }
.section-head p { color: var(--ice-400); margin-top: 14px; font-size: 16.5px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------------- Benefits ---------------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.benefit-card {
  background: linear-gradient(180deg, var(--navy-700), var(--navy-800));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.benefit-card:hover { transform: translateY(-4px); border-color: rgba(217,178,94,0.35); }
.benefit-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 90, 46, 0.12);
  color: var(--ember-400);
  margin-bottom: 18px;
  font-size: 22px;
}
.benefit-card h3 { font-size: 19px; margin-bottom: 8px; font-weight: 600; }
.benefit-card p { color: var(--ice-400); font-size: 14.5px; }

/* ---------------- Ingredients ---------------- */
.ingredients {
  background: var(--navy-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.ing-card {
  background: var(--navy-900);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
}
.ing-card .tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-300);
  border: 1px solid rgba(217,178,94,0.4);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.ing-card h4 { font-size: 17px; margin-bottom: 6px; }
.ing-card p { color: var(--ice-400); font-size: 13.5px; }

/* ---------------- Steps ---------------- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: center;
}
.step-card {
  background: var(--navy-700);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
}
.step-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-300), var(--ember-400));
  color: var(--navy-900);
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-family: 'Fraunces', serif;
}
.step-card h3 { font-size: 17px; margin-bottom: 8px; }
.step-card p { color: var(--ice-400); font-size: 14px; }
.step-arrow { color: var(--gold-500); font-size: 22px; text-align: center; }

/* ---------------- Compare ---------------- */
.compare-section { background: var(--navy-800); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.compare-card {
  border-radius: var(--radius);
  padding: 30px 28px;
  border: 1px solid var(--line);
}
.compare-without { background: var(--navy-900); }
.compare-with { background: linear-gradient(160deg, rgba(217,178,94,0.1), var(--navy-900)); border-color: rgba(217,178,94,0.35); }
.compare-tag {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px; margin-bottom: 18px;
}
.compare-without .compare-tag { background: rgba(159,176,204,0.14); color: var(--ice-400); }
.compare-with .compare-tag { background: rgba(255,90,46,0.16); color: var(--ember-400); }
.compare-card ul { list-style: none; }
.compare-card li {
  padding: 9px 0 9px 24px;
  position: relative;
  color: var(--ice-400);
  font-size: 15px;
  border-top: 1px solid var(--line);
}
.compare-card li:first-child { border-top: none; }
.compare-without li::before { content: "–"; position: absolute; left: 0; color: var(--ice-400); }
.compare-with li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-300); font-weight: 700; }
.compare-with li { color: var(--ice-100); }

/* ---------------- Guarantee ---------------- */
.guarantee-section { padding: 60px 0; }
.guarantee-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--navy-700);
  border: 1px solid rgba(217,178,94,0.3);
  border-radius: var(--radius);
  padding: 40px;
}
.guarantee-seal {
  font-size: 46px;
  width: 88px; height: 88px;
  border-radius: 50%;
  background: rgba(217,178,94,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.guarantee-inner h2 { font-size: 26px; margin: 8px 0; }
.guarantee-inner p { color: var(--ice-400); font-size: 15px; max-width: 56ch; }

/* ---------------- Countdown ---------------- */
.countdown {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}
.countdown-unit {
  background: var(--navy-700);
  border: 1px solid var(--line);
  border-radius: 10px;
  min-width: 52px;
  padding: 8px 4px;
  text-align: center;
}
.countdown-unit span {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 20px;
  color: var(--gold-300);
}
.countdown-unit small {
  font-size: 10.5px;
  color: var(--ice-400);
  text-transform: uppercase;
}

/* ---------------- Testimonials ---------------- */
.testi-note {
  background: rgba(217,178,94,0.08);
  border: 1px dashed rgba(217,178,94,0.4);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 13.5px;
  color: var(--gold-300);
  margin-bottom: 32px;
}
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testi-card {
  background: var(--navy-700);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.stars { color: var(--gold-500); font-size: 15px; letter-spacing: 2px; }
.testi-card p.quote { color: var(--ice-100); font-size: 15px; line-height: 1.6; }
.testi-who {
  display: flex; align-items: center; gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--gold-300), var(--ember-400));
  color: var(--navy-900); font-weight: 700; font-size: 14px;
}
.testi-who .name { font-size: 14px; font-weight: 700; }
.testi-who .loc { font-size: 12.5px; color: var(--ice-400); }
.verified {
  font-size: 11.5px;
  color: #7fd99b;
  display: flex; align-items: center; gap: 5px;
  margin-left: auto;
}

/* ---------------- Comparison / offer ---------------- */
.offer {
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  border: 1px solid rgba(217,178,94,0.3);
  border-radius: 26px;
  padding: 54px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 46px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.offer::after {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(255,90,46,0.22), transparent 70%);
  top: -120px; right: -100px;
}
.offer h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 16px; }
.offer ul { list-style: none; margin: 22px 0 30px; }
.offer ul li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15.5px; color: var(--ice-400);
  padding: 8px 0;
}
.offer ul li .check {
  color: var(--ember-400); font-weight: 800; flex-shrink: 0;
}
.offer-card {
  background: var(--navy-900);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px;
  text-align: center;
  position: relative; z-index: 1;
}
.offer-card .badge {
  display: inline-block;
  background: var(--ember-500);
  color: #fff; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
  margin-bottom: 16px;
}
.offer-card .price-old {
  color: var(--ice-400); text-decoration: line-through; font-size: 15px;
}
.offer-card .price-new {
  font-family: 'Fraunces', serif; font-size: 42px; color: var(--gold-300);
  margin: 4px 0 4px;
}
.offer-card .price-new sup { font-size: 18px; top: -1.2em; }
.offer-card .installment { color: var(--ice-400); font-size: 13.5px; margin-bottom: 22px; }

/* ---------------- Pricing ---------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: stretch;
}
.price-card {
  background: var(--navy-700);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.price-card.featured {
  background: linear-gradient(170deg, rgba(217,178,94,0.14), var(--navy-700));
  border-color: var(--gold-500);
  transform: scale(1.04);
  box-shadow: 0 26px 50px -24px rgba(217,178,94,0.35);
}
.price-badge {
  position: absolute;
  top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--gold-500);
  color: var(--navy-900);
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px;
  white-space: nowrap;
}
.price-off {
  align-self: center;
  background: rgba(255,90,46,0.14);
  color: var(--ember-400);
  font-size: 12px; font-weight: 800;
  padding: 4px 10px; border-radius: 999px;
  margin-bottom: 6px;
}
.price-card h3 { font-size: 20px; margin-top: 4px; }
.price-sub { color: var(--ice-400); font-size: 12.5px; margin-bottom: 10px; }
.price-old { color: var(--ice-400); text-decoration: line-through; font-size: 13.5px; }
.price-main {
  font-family: 'Fraunces', serif;
  font-size: 34px;
  color: var(--gold-300);
  margin: 2px 0;
}
.price-main sup { font-size: 15px; top: -1.1em; }
.price-main small { font-size: 15px; }
.price-installment { color: var(--ice-400); font-size: 12.5px; margin-bottom: 14px; }
.price-freight { color: #7fd99b; font-size: 12.5px; margin-top: 10px; }

.countdown-wrap {
  margin-top: 44px;
  text-align: center;
}
.countdown-wrap .countdown { margin-top: 14px; }

/* ---------------- FAQ ---------------- */
.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;
  background: none; border: none;
  color: var(--ice-100);
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 16.5px;
  padding: 22px 0;
  cursor: pointer;
  text-align: left;
}
.faq-q .plus {
  font-size: 22px;
  color: var(--gold-300);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--ice-400);
  font-size: 15px;
  line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 24px; }

/* ---------------- Final CTA ---------------- */
.final-cta {
  text-align: center;
  padding-bottom: 100px;
}
.final-cta h2 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.final-cta p { color: var(--ice-400); max-width: 52ch; margin: 0 auto 34px; font-size: 17px; }

/* ---------------- Sticky mobile bar ---------------- */
.sticky-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 60;
  background: rgba(6,13,26,0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding: 12px 16px;
  display: none;
}
.sticky-bar .wrap { padding: 0; display: flex; }

/* ---------------- Footer ---------------- */
footer {
  border-top: 1px solid var(--line);
  padding: 44px 0 120px;
  color: var(--ice-400);
  font-size: 13px;
}
footer .foot-grid {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 20px; margin-bottom: 24px;
}
footer .disclaimer { line-height: 1.7; max-width: 900px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 340px; margin: 0 auto; }
  .benefits-grid { grid-template-columns: 1fr; }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .offer { grid-template-columns: 1fr; padding: 34px 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .compare-grid { grid-template-columns: 1fr; }
  .guarantee-inner { flex-direction: column; text-align: center; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .price-card.featured { transform: none; }
  .sticky-bar { display: block; }
  footer { padding-bottom: 110px; }
}

@media (max-width: 560px) {
  .pricing-grid { grid-template-columns: 1fr; }
}