/* =========================================================
   Kit IA Profesional — Estilos
   Estética tech editorial: fondo #071426 / #0D1B30
   Acentos: turquesa #27A7A0 · violeta #6554C0
========================================================= */

:root {
  --bg-deep: #071426;
  --bg-panel: #0D1B30;
  --bg-panel-2: #0F2038;
  --turquoise: #27A7A0;
  --turquoise-light: #4FD8CF;
  --violet: #6554C0;
  --violet-light: #8B7EE0;
  --text-primary: #F4F7FB;
  --text-secondary: #A9B7CC;
  --text-muted: #7C8CA5;
  --border-soft: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --danger: #E0685A;
  --success: #3FC1AE;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.35);
  --max-width: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Plus Jakarta Sans', -apple-system, sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

p { color: var(--text-secondary); }

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

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

ul { list-style: none; }

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

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--violet) 100%);
  color: #fff;
  box-shadow: 0 10px 30px rgba(39, 167, 160, 0.25), 0 10px 30px rgba(101, 84, 192, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 14px 40px rgba(39, 167, 160, 0.35), 0 14px 40px rgba(101, 84, 192, 0.25);
}

.btn-lg { padding: 17px 36px; font-size: 1.02rem; }

.btn-block { width: 100%; }

/* ===================== NAV ===================== */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 20, 38, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

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

.nav-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

.nav-logo span { color: var(--turquoise); }

.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover { color: var(--turquoise-light); }

.nav-cta {
  padding: 11px 22px;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.3rem;
  cursor: pointer;
}

/* ===================== HERO ===================== */
.hero {
  position: relative;
  padding: 110px 24px 90px;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(ellipse at top, var(--bg-panel) 0%, var(--bg-deep) 65%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.hero-glow-1 {
  width: 480px; height: 480px;
  background: var(--turquoise);
  top: -180px; left: -120px;
}

.hero-glow-2 {
  width: 480px; height: 480px;
  background: var(--violet);
  top: -140px; right: -160px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.badge-launch {
  background: rgba(39, 167, 160, 0.14);
  border: 1px solid rgba(39, 167, 160, 0.4);
  color: var(--turquoise-light);
}

.hero-title {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.22;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 32px;
  margin-bottom: 46px;
  padding: 24px 32px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 70px;
}

.hero-stat-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.7rem;
  background: linear-gradient(135deg, var(--turquoise-light), var(--violet-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.hero-price-note {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.price-old {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.price-new {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--turquoise-light);
}

.price-tag {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 6px;
  border-left: 1px solid var(--border-strong);
}

/* ===================== STRIP BAND ===================== */
.strip-band {
  background: linear-gradient(120deg, rgba(39,167,160,0.12), rgba(101,84,192,0.12));
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 34px 24px;
  text-align: center;
}

.strip-band p {
  max-width: 820px;
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.strip-band strong {
  color: var(--turquoise-light);
  font-weight: 700;
}

/* ===================== SECTIONS GENERAL ===================== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--bg-panel);
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 2px;
}

.eyebrow-turquoise { color: var(--turquoise-light); }
.eyebrow-violet { color: var(--violet-light); }
.eyebrow-red { color: var(--danger); }

.section-title {
  font-size: clamp(1.8rem, 3.6vw, 2.5rem);
  line-height: 1.3;
  margin-bottom: 20px;
  max-width: 780px;
}

.section-lead {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 56px;
}

.cta-row {
  display: flex;
  justify-content: center;
  margin-top: 50px;
}

/* ===================== PROBLEMA ===================== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: rgba(224, 104, 90, 0.4);
}

.problem-icon {
  font-size: 1.6rem;
  color: var(--danger);
  margin-bottom: 20px;
  display: block;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.problem-card p {
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===================== FLOW SEQUENCE ===================== */
.flow-sequence {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 10px;
  margin-bottom: 60px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.flow-step {
  background: linear-gradient(135deg, rgba(39,167,160,0.16), rgba(101,84,192,0.16));
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 12px 22px;
}

.flow-step span {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.flow-arrow {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-shrink: 0;
}

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

.benefit-card {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.benefit-card i {
  font-size: 1.8rem;
  color: var(--turquoise-light);
  margin-bottom: 18px;
  display: block;
}

.benefit-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.benefit-card p {
  font-size: 0.95rem;
}

/* ===================== METODO CRITERIO ===================== */
.criterio-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.criterio-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 26px 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.criterio-letter {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--turquoise), var(--violet));
  color: #fff;
}

.criterio-item h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.criterio-item p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.criterio-tagline {
  text-align: center;
  margin-top: 44px;
  font-size: 1.15rem;
  color: var(--text-secondary);
}

.criterio-tagline span {
  display: block;
  margin-top: 6px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--turquoise-light);
}

/* ===================== RESOURCES ===================== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.resource-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.045), rgba(255,255,255,0.015));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.resource-card:hover {
  transform: translateY(-5px);
  border-color: rgba(39, 167, 160, 0.4);
}

.resource-icon {
  font-size: 1.7rem;
  color: var(--turquoise-light);
  margin-bottom: 20px;
  display: block;
}

.resource-card h3 {
  font-size: 1.12rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.resource-card p {
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ===================== NUMBERS SECTION ===================== */
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 10px;
}

.number-card {
  text-align: center;
  padding: 38px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}

.number-big {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  background: linear-gradient(135deg, var(--turquoise-light), var(--violet-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
  line-height: 1;
}

.number-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: block;
}

/* ===================== PRODUCT GRID (Vista real) ===================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-shot {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-card);
  background: var(--bg-panel-2);
}

.product-shot img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.product-shot:hover img {
  transform: scale(1.05);
}

.product-shot figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 18px;
  background: linear-gradient(to top, rgba(7,20,38,0.92), transparent);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* ===================== AREAS (24 flujos) ===================== */
.area-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.area-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 30px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  text-align: center;
}

.area-card i {
  font-size: 1.5rem;
  color: var(--violet-light);
}

.area-card span {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.warning-note {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 26px;
  background: rgba(224, 104, 90, 0.08);
  border: 1px solid rgba(224, 104, 90, 0.3);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.98rem;
  line-height: 1.6;
}

.warning-note i { color: var(--danger); margin-right: 8px; }

/* ===================== FIT (para quien) ===================== */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.fit-card {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
}

.fit-yes {
  background: rgba(39, 167, 160, 0.06);
  border-color: rgba(39, 167, 160, 0.28);
}

.fit-no {
  background: rgba(224, 104, 90, 0.05);
  border-color: rgba(224, 104, 90, 0.22);
}

.fit-card h3 {
  font-size: 1.2rem;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.fit-yes h3 i { color: var(--turquoise-light); }
.fit-no h3 i { color: var(--danger); }

.fit-card ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fit-card li {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.fit-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

/* ===================== DIFFERENTIATOR ===================== */
.differentiator {
  text-align: center;
  background: linear-gradient(135deg, rgba(39,167,160,0.08), rgba(101,84,192,0.1));
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.differentiator-title {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  line-height: 1.35;
  margin: 0 auto 24px;
  max-width: 720px;
}

.differentiator-title span {
  background: linear-gradient(135deg, var(--turquoise-light), var(--violet-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.differentiator .section-lead { margin: 0 auto; }

/* ===================== OFFER ===================== */
.offer-section { background: var(--bg-panel); }

.offer-card {
  max-width: 640px;
  margin: 0 auto;
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid rgba(39, 167, 160, 0.3);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  box-shadow: var(--shadow-card);
}

.offer-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
  margin-bottom: 40px;
}

.offer-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.offer-list li i {
  color: var(--turquoise-light);
  margin-top: 4px;
  flex-shrink: 0;
}

.offer-price-block {
  text-align: center;
  padding: 30px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 30px;
}

.offer-price-old {
  display: block;
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.offer-price-new {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  line-height: 1;
  background: linear-gradient(135deg, var(--turquoise-light), var(--violet-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.offer-price-caption {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.offer-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 34px;
}

.offer-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  color: var(--text-secondary);
}

.offer-tags i { color: var(--turquoise-light); }

/* ===================== GUARANTEE ===================== */
.guarantee-section {
  background: radial-gradient(ellipse at center, rgba(101,84,192,0.1), transparent 70%);
}

.guarantee-inner {
  text-align: center;
  max-width: 680px;
}

.guarantee-icon {
  font-size: 2.6rem;
  color: var(--turquoise-light);
  margin-bottom: 26px;
  display: block;
}

.guarantee-inner .section-title,
.guarantee-inner .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* ===================== FAQ / ACCORDION ===================== */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 22px 26px;
  text-align: left;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.accordion-trigger i {
  color: var(--turquoise-light);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.open .accordion-trigger i {
  transform: rotate(45deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.accordion-panel p {
  padding: 0 26px 24px;
  font-size: 0.96rem;
  line-height: 1.7;
}

/* ===================== CLOSING ===================== */
.closing-section {
  padding: 110px 0;
  text-align: center;
  background: linear-gradient(160deg, var(--bg-panel) 0%, var(--bg-deep) 100%);
  border-top: 1px solid var(--border-soft);
}

.closing-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.closing-title {
  font-size: clamp(1.9rem, 4.4vw, 2.8rem);
  letter-spacing: 0.01em;
  max-width: 780px;
}

.closing-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.closing-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  margin-top: 12px;
}

.closing-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.closing-meta i { color: var(--turquoise-light); }

/* ===================== FOOTER ===================== */
.footer {
  padding: 50px 0 40px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-deep);
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-logo span { color: var(--turquoise); }

.footer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.6;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* =========================================================
   RESPONSIVE — TABLET
========================================================= */
@media (max-width: 1024px) {
  .problem-grid,
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
  .numbers-grid { grid-template-columns: repeat(3, 1fr); }
  .area-grid { grid-template-columns: repeat(3, 1fr); }
  .benefit-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================================
   RESPONSIVE — MOBILE
========================================================= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-soft);
    padding: 20px 24px 26px;
    gap: 18px;
  }

  .nav-links.open a { font-size: 1rem; }

  .hero { padding: 90px 20px 64px; }
  .hero-stats { gap: 14px 20px; padding: 20px; }
  .hero-stat { min-width: 60px; }
  .hero-stat-num { font-size: 1.4rem; }

  .section { padding: 64px 0; }
  .section-inner { padding: 0 20px; }
  .section-title { margin-bottom: 16px; }
  .section-lead { margin-bottom: 40px; }

  .problem-grid,
  .resource-grid,
  .benefit-grid,
  .numbers-grid,
  .area-grid,
  .product-grid,
  .fit-grid,
  .offer-list {
    grid-template-columns: 1fr;
  }

  .flow-sequence {
    flex-direction: column;
    align-items: stretch;
  }

  .flow-step { text-align: center; }

  .flow-arrow {
    transform: rotate(90deg);
    align-self: center;
  }

  .criterio-item {
    flex-direction: column;
    gap: 16px;
  }

  .offer-card { padding: 36px 24px; }
  .offer-price-new { font-size: 2.4rem; }

  .btn { width: 100%; }
  .btn-block { width: 100%; }
  .hero-cta-group .btn,
  .cta-row .btn,
  .closing-section .btn { width: 100%; }

  .cta-row { padding: 0 4px; }

  .closing-meta { flex-direction: column; gap: 12px; }

  .differentiator-title { line-height: 1.4; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.85rem; }
  .offer-price-new { font-size: 2.1rem; }
  .number-big { font-size: 2.1rem; }
}