/* ============================================================
   APEXBURN — INSTITUCIONAL (V3) · NATURAL / LIGHT
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600;1,700&family=Space+Grotesk:wght@400;500;600;700;800&display=swap');

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg:           #FAFAF6;
  --bg-2:         #F3F0E8;
  --bg-3:         #EAE6DA;
  --accent:       #4F7942;
  --accent-2:     #7FA870;
  --accent-glow:  rgba(79, 121, 66, 0.15);
  --accent-light: rgba(79, 121, 66, 0.07);
  --text:         #1C1C18;
  --text-muted:   #6B685E;
  --text-dim:     #A8A49A;
  --border:       rgba(28, 28, 24, 0.09);
  --border-a:     rgba(79, 121, 66, 0.28);
  --r:            6px;
  --r-lg:         16px;
  --r-xl:         24px;
  --max:          1200px;
  --ease:         0.24s ease;
  /* aliases legados (HTML usa .label-green, .green, etc.) */
  --green:        var(--accent);
  --green-2:      var(--accent-2);
  --green-light:  var(--accent-light);
  --green-border: var(--border-a);
  --shadow-sm:    0 4px 16px rgba(28, 28, 24, 0.07);
  --shadow-md:    0 8px 32px rgba(28, 28, 24, 0.10);
  --shadow-lg:    0 16px 48px rgba(28, 28, 24, 0.14);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; border-radius: var(--r-lg); }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
p + p { margin-top: 14px; }

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

/* ── Labels ─────────────────────────────────────────────────── */
.label-green {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  background: var(--accent-light);
  border: 1px solid var(--border-a);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-solid {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 16px 40px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--ease);
  box-shadow: 0 4px 24px rgba(79, 121, 66, 0.25);
}
.btn-solid:hover {
  background: #3d6032;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79, 121, 66, 0.35);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 15px 36px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1.5px solid var(--border-a);
  border-radius: 100px;
  transition: var(--ease);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

/* ── Section headers ────────────────────────────────────────── */
.section-header {
  max-width: 680px;
  margin: 0 auto 72px;
  text-align: center;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--text);
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.green { color: var(--accent); font-style: italic; }

/* ── Nav ─────────────────────────────────────────────────────── */
.nav {
  background: rgba(250, 250, 246, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 28px;
  max-width: var(--max);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.nav-logo strong { color: var(--accent); }

.nav-logo-brand {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text);
  gap: 0 !important;
}
.nav-logo-brand > span { color: var(--accent); }

.nav-logo-mark {
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 900;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}
.nav-links li a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--ease);
}
.nav-links li a:hover { color: var(--accent); }

.nav-cta {
  flex-shrink: 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  border: 1.5px solid var(--border-a);
  padding: 9px 22px;
  border-radius: 100px;
  transition: var(--ease);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: transparent;
}
.nav-cta:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--ease);
}
.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}
.nav-mobile.open { display: block; }
.nav-mobile ul { padding: 20px 28px; display: flex; flex-direction: column; gap: 4px; }
.nav-mobile ul li a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.nav-cta-mobile {
  color: var(--accent) !important;
  font-weight: 700 !important;
  border-bottom: none !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem !important;
}

/* ── Hero institucional ─────────────────────────────────────── */
.hero-inst {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.hero-inst::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 85% at 78% 45%, rgba(79, 121, 66, 0.07) 0%, transparent 65%),
    radial-gradient(ellipse 45% 60% at 10% 90%, rgba(127, 168, 112, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* Organic botanical decoration */
.hero-inst::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(79, 121, 66, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inst-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-inst-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.2vw, 4rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin-bottom: 22px;
  color: var(--text);
}
.hero-inst-content p {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
}
.hero-inst-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-inst-image { position: relative; }
.hero-inst-image img {
  width: 100%;
  max-width: 520px;
  height: auto;
  object-fit: contain;
}
.hero-float-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
}
.hfc-icon { font-size: 1.8rem; }
.hero-float-card strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}
.hero-float-card span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Intro ─────────────────────────────────────────────────── */
.intro {
  padding: 100px 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.intro-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.intro-text p {
  font-size: 0.97rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.intro-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.intro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: var(--ease);
}
.intro-card:hover {
  border-color: var(--border-a);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.intro-card.featured-card {
  background: var(--accent-light);
  border-color: var(--border-a);
}
.intro-card-icon { font-size: 1.5rem; margin-bottom: 10px; display: block; }
.intro-card strong {
  display: block;
  font-size: 0.93rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}
.intro-card ul { display: flex; flex-direction: column; gap: 8px; }
.intro-card ul li {
  font-size: 0.87rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.intro-card ul li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.featured-card ul li { color: var(--text-muted); }
.featured-card ul li::before { color: var(--accent-2); }

/* ── Science ────────────────────────────────────────────────── */
.ciencia {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.science-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.science-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: var(--ease);
}
.science-card:hover {
  border-color: var(--border-a);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.science-step {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-light);
  display: inline-block;
  padding: 5px 14px;
  border-radius: 0 0 var(--r) 0;
}

.science-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  font-style: italic;
  margin: 20px 24px 12px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.science-card p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 24px 24px;
}
.science-card img {
  border-radius: 0;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ── Ingredients ───────────────────────────────────────────── */
.ingredientes {
  padding: 100px 0;
  background: var(--bg-2);
}

.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.ing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--ease);
}
.ing-card:hover {
  border-color: var(--border-a);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ing-card-top {
  padding: 28px 24px 0;
}
.ing-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--border-a);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.ing-card-top h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  color: var(--text);
}
.ing-type {
  font-size: 0.7rem;
  color: var(--accent-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 16px;
}

.ing-card img {
  border-radius: 0;
  width: 100%;
}

.ing-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.ing-body p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}
.ing-body p + p { margin-top: 10px; }
.ing-body strong { color: var(--text); font-weight: 700; }
.ing-body em { color: var(--text-dim); font-style: italic; font-size: 0.82rem; }

.ing-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--border-a);
  padding: 5px 12px;
  border-radius: 100px;
  margin-top: 16px;
  align-self: flex-start;
}

.also-contains {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 32px;
}
.also-contains h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.also-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.also-pills span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
}

/* ── How to use ─────────────────────────────────────────────── */
.como-usar {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.step-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 30px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: var(--ease);
}
.step-card:hover {
  border-color: var(--border-a);
  box-shadow: var(--shadow-sm);
}

.step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  color: var(--accent);
  border: 1.5px solid var(--border-a);
  font-size: 1.3rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  font-style: italic;
  margin-bottom: 10px;
  color: var(--text);
}
.step-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.step-body p + p { margin-top: 10px; }
.step-note {
  font-size: 0.82rem !important;
  color: var(--text-muted) !important;
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 var(--r) var(--r) 0;
  margin-top: 12px !important;
}

.ciclo {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
}
.ciclo h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.ciclo-bar {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 12px;
}
.ciclo-phase {
  border-radius: var(--r-lg);
  padding: 20px;
  text-align: center;
}
.green-phase {
  background: var(--accent-light);
  border: 1px solid var(--border-a);
}
.gray-phase {
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.ciclo-phase span {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.ciclo-phase strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.ciclo-phase small {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Quality ─────────────────────────────────────────────────── */
.qualidade {
  padding: 100px 0;
  background: var(--bg-2);
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.quality-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 26px;
  transition: var(--ease);
}
.quality-card:hover {
  border-color: var(--border-a);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.quality-icon { font-size: 2rem; margin-bottom: 14px; }
.quality-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  font-style: italic;
  margin-bottom: 10px;
  color: var(--text);
}
.quality-card p { font-size: 0.87rem; color: var(--text-muted); line-height: 1.65; }

.quality-image-full img {
  width: 100%;
  border-radius: var(--r-lg);
}

/* ── FAQ ────────────────────────────────────────────────────── */
.faq-inst {
  padding: 100px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-inst-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}

.faq-inst-item { border-bottom: 1px solid var(--border); }
.faq-inst-item:first-child { border-top: 1px solid var(--border); }
.faq-column:last-child .faq-inst-item:first-child { border-top: 1px solid var(--border); }

.faq-inst-item summary {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: var(--text);
  transition: color var(--ease);
}
.faq-inst-item summary::-webkit-details-marker { display: none; }
.faq-inst-item summary:hover { color: var(--accent); }
.faq-inst-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
}
.faq-inst-item[open] summary::after { content: '−'; }

.faq-inst-item p {
  padding-bottom: 22px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ── SMS Subscribe Form ──────────────────────────────────────── */
.sms-subscribe {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.sms-subscribe::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 90% at 50% 50%, rgba(79, 121, 66, 0.05) 0%, transparent 65%);
  pointer-events: none;
}

.sms-subscribe-inner {
  max-width: 660px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.sms-subscribe-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 16px;
}
.sms-subscribe-inner h2 span { display: block; }

.sms-subtitle {
  font-size: 0.97rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.sms-form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 40px;
  text-align: left;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.sms-field { margin-bottom: 20px; }
.sms-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.sms-field input {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--text);
  font-family: inherit;
  outline: none;
  transition: border-color var(--ease);
}
.sms-field input::placeholder { color: var(--text-dim); }
.sms-field input:focus { border-color: var(--accent); }

.sms-consent {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 28px;
  cursor: pointer;
}
.sms-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}
.sms-consent span {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.sms-consent span a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.sms-consent span a:hover { color: #3d6032; }

.sms-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 18px;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(79, 121, 66, 0.25);
  transition: var(--ease);
}
.sms-btn:hover {
  background: #3d6032;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79, 121, 66, 0.35);
}

.sms-legal-note {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-top: 0;
}
.sms-legal-note a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.sms-legal-note a:hover { color: var(--accent); }

/* ── CTA institucional ──────────────────────────────────────── */
.cta-inst {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
  background: #1E3319;
  border-top: none;
}
.cta-inst::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 100% at 20% 50%, rgba(127, 168, 112, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 70% at 85% 80%, rgba(79, 121, 66, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-inst-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-inst-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin-bottom: 18px;
  color: #fff;
}
.cta-inst-content h2 .green { color: #A8D49A; }
.cta-inst-content p {
  font-size: 1.02rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 32px;
  line-height: 1.7;
}

.cta-inst .btn-solid {
  background: #A8D49A;
  color: #1E3319;
  box-shadow: 0 4px 24px rgba(168, 212, 154, 0.25);
}
.cta-inst .btn-solid:hover {
  background: #c0e4b4;
  box-shadow: 0 8px 32px rgba(168, 212, 154, 0.35);
}

.cta-inst-image img {
  width: 100%;
  max-width: 520px;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 16px 48px rgba(0,0,0,0.25);
}

/* ── Footer GRAX Media ───────────────────────────────────────── */
.footer-grax {
  background: #162213;
  color: rgba(255,255,255,0.85);
  padding: 72px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grax-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-grax-logo {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 18px;
}
.footer-grax-logo span { color: var(--accent-2); }

.footer-grax-brand p {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 320px;
}
.footer-grax-address {
  font-size: 0.82rem !important;
  color: rgba(255,255,255,0.3) !important;
  line-height: 1.65 !important;
  margin-top: 20px !important;
}

.footer-grax-col h5 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 20px;
}
.footer-grax-col ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-grax-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--ease);
}
.footer-grax-col ul li a:hover { color: var(--accent-2); }

.footer-grax-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 32px;
  flex-wrap: wrap;
}
.footer-grax-bottom > p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
}
.footer-grax-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-grax-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  transition: color var(--ease);
}
.footer-grax-links a:hover { color: var(--accent-2); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inst-inner { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-inst-actions { justify-content: center; }
  .hero-inst-image { max-width: 440px; margin: 0 auto; }
  .hero-float-card { left: 50%; transform: translateX(-50%); }

  .intro-grid { grid-template-columns: 1fr; gap: 48px; }
  .science-grid { grid-template-columns: 1fr; }
  .ing-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr 1fr; }

  .cta-inst-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }

  .footer-grax-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-grax-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta   { display: none; }
  .nav-hamburger { display: flex; }

  .faq-inst-grid { grid-template-columns: 1fr; }
  .faq-column:last-child .faq-inst-item:first-child { border-top: none; }

  .ing-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }

  .ciclo-bar { grid-template-columns: 1fr; }

  .btn-solid,
  .btn-outline { width: 100%; text-align: center; display: block; }
  .hero-inst-actions .btn-solid,
  .hero-inst-actions .btn-outline { width: auto; }

  .footer-grax-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-grax-brand { grid-column: auto; }
  .footer-grax-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
  .sms-form-card { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-inst { padding: 72px 0 60px; }
  .hero-inst-content h1 { font-size: 2.4rem; }
  .hero-float-card { position: static; transform: none; margin-top: 20px; }
  .steps-grid .step-card { flex-direction: column; }
  .step-num { width: 40px; height: 40px; font-size: 1.1rem; }
  .section-header { margin-bottom: 48px; }

  .intro,
  .ciencia,
  .ingredientes,
  .como-usar,
  .qualidade,
  .faq-inst,
  .cta-inst,
  .sms-subscribe { padding: 72px 0; }

  .section-header h2 { font-size: 2.2rem; }
}