/* ── CSS VARIABLES ── */
:root {
  --bg: #ffffff;
  --bg2: #f5fafc;
  --surface: #eef8fa;
  --surface2: #e0f4f7;
  --primary: #38C7D2;
  --primary-dim: #28a8b2;
  --accent: #FF8D36;
  --accent-dim: #e07020;
  --text: #111827;
  --text-muted: #6b7280;
  --text-soft: #374151;
  --border: rgba(0,0,0,0.09);
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(56,199,210,0.10);
  --card-bg: #ffffff;
}

[data-theme="dark"] {
  --bg: #080b10;
  --bg2: #0d1117;
  --surface: #111820;
  --surface2: #161e28;
  --primary: #38C7D2;
  --primary-dim: #28a8b2;
  --accent: #FF8D36;
  --accent-dim: #e07020;
  --text: #f0f4f8;
  --text-muted: #6b7280;
  --text-soft: #94a3b8;
  --border: rgba(255,255,255,0.07);
  --white: #f0f4f8;
  --shadow: 0 4px 24px rgba(56,199,210,0.15);
  --card-bg: #111820;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

/* ── DARK MODE TOGGLE ── */
.theme-toggle {
  position: relative;
  width: 48px;
  height: 26px;
  cursor: pointer;
  flex-shrink: 0;
}

.theme-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  transition: background 0.3s, border-color 0.3s;
  display: flex;
  align-items: center;
  padding: 0 4px;
  justify-content: space-between;
  font-size: 0.65rem;
}

.theme-toggle input:checked + .toggle-track {
  background: var(--primary);
  border-color: var(--primary);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(.4,0,.2,1), background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.18);
}

[data-theme="dark"] .toggle-thumb {
  transform: translateX(22px);
  background: var(--bg);
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s, border-color 0.35s, padding 0.3s;
}

[data-theme="dark"] nav {
  background: rgba(8,11,16,0.88);
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  background: var(--primary);
  color: #fff;
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(56,199,210,0.4);
}

.nav-cta-secondary {
  background: var(--text);
  color: var(--bg);
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-cta-secondary:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
}

.glow-teal {
  width: 600px; height: 600px;
  background: rgba(56,199,210,0.12);
  top: -100px; left: -100px;
}

.glow-orange {
  width: 500px; height: 500px;
  background: rgba(255,141,54,0.09);
  bottom: -80px; right: -80px;
}

.hero-inner {
  max-width: 860px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56,199,210,0.10);
  border: 1px solid rgba(56,199,210,0.30);
  color: var(--primary-dim);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  animation: fadeDown 0.7s ease both;
}

[data-theme="dark"] .badge {
  color: var(--primary);
}

.badge::before { content: '●'; font-size: 0.55rem; }

h1 {
  font-family: 'Archivo Black', sans-serif;
  font-weight: 800;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
  color: var(--text);
  animation: fadeDown 0.7s ease 0.1s both;
}

h1 em {
  font-style: normal;
  color: var(--primary);
  position: relative;
}

h1 em::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 3px;
  background: var(--primary);
  border-radius: 4px;
  opacity: 0.35;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  animation: fadeDown 0.7s ease 0.2s both;
}

.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeDown 0.7s ease 0.3s both;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 32px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 36px rgba(56,199,210,0.45);
}

.btn-primary-accent {
  background: var(--accent);
  color: #fff;
}

.btn-primary-accent:hover {
  box-shadow: 0 0 36px rgba(255,141,54,0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 32px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(56,199,210,0.06);
}

/* ── HERO VISUAL ── */
.hero-visual {
  margin-top: 70px;
  display: flex;
  justify-content: center;
  animation: fadeUp 0.9s ease 0.5s both;
}

.phone-mock {
  width: 270px;
  background: var(--card-bg);
  border-radius: 36px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(56,199,210,0.12), 0 0 0 1px rgba(56,199,210,0.07);
  position: relative;
}

[data-theme="dark"] .phone-mock {
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

.phone-notch {
  width: 100px;
  height: 28px;
  background: var(--bg2);
  border-radius: 0 0 20px 20px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.phone-screen {
  padding: 8px 14px 20px;
}

.chat-bubble-out {
  background: var(--primary);
  color: #fff;
  border-radius: 16px 16px 4px 16px;
  padding: 10px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  margin-left: auto;
  max-width: 80%;
  margin-bottom: 10px;
  line-height: 1.4;
}

.chat-bubble-in {
  background: var(--surface2);
  color: var(--text);
  border-radius: 16px 16px 16px 4px;
  padding: 10px 14px;
  font-size: 0.78rem;
  max-width: 85%;
  margin-bottom: 10px;
  line-height: 1.4;
}

.order-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 12px;
  padding: 12px;
  font-size: 0.72rem;
  margin-top: 4px;
}

.order-card .order-title {
  color: var(--primary-dim);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

[data-theme="dark"] .order-card .order-title {
  color: var(--primary);
}

.order-item {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.order-total {
  display: flex;
  justify-content: space-between;
  color: var(--text);
  font-weight: 600;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.phone-glow {
  position: absolute;
  bottom: -40px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 100px;
  background: rgba(56,199,210,0.18);
  filter: blur(40px);
  pointer-events: none;
}

/* ── SECTION BASE ── */
section {
  padding: 100px 40px;
  position: relative;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-dim);
  margin-bottom: 16px;
}

[data-theme="dark"] .section-label {
  color: var(--primary);
}

h2 {
  font-family: 'Archivo Black', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  color: var(--text);
}

h2 span { color: var(--primary); }

/* ── PROBLEMA ── */
#problema {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.problem-text .section-label { color: var(--accent); }
[data-theme="dark"] .problem-text .section-label { color: var(--accent); }

h2 .problem-accent { color: var(--accent); }

.problem-sub {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.problem-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.98rem;
  color: var(--text-soft);
}

.problem-list .icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.chaos-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.chaos-msg {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--text-soft);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: border-color 0.2s;
}

.chaos-msg.red {
  border-left: 3px solid var(--accent);
}

.chaos-msg.span2 { grid-column: 1 / -1; }

.sender {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin-bottom: 4px;
}

/* ── SOLUCIÓN ── */
#solucion {
  background: var(--bg);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.solution-desc {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benefits-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  color: var(--text-soft);
}

.check {
  color: #fff;
  background: var(--primary);
  width: 22px; height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.solution-visual {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.catalog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.catalog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 14px;
}

.prod-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.prod-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.prod-img {
  background: var(--surface2);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.prod-info {
  padding: 10px;
}

.prod-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.prod-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dim);
  font-family: 'Archivo Black', sans-serif;
  margin-bottom: 8px;
}

[data-theme="dark"] .prod-price {
  color: var(--primary);
}

.prod-btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: 'Archivo Black', sans-serif;
  padding: 5px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s;
}

.prod-btn:hover { background: var(--primary-dim); }

/* ── MODOS ── */
#modos {
  background: var(--bg2);
  border-top: 1px solid var(--border);
}

.modos-header {
  text-align: center;
  margin-bottom: 56px;
}

.modos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.modo-card {
  border-radius: 28px;
  padding: 36px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.modo-sin {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}

.modo-con {
  background: linear-gradient(135deg, rgba(56,199,210,0.07) 0%, rgba(56,199,210,0.02) 100%);
  border: 1.5px solid rgba(56,199,210,0.28);
}

.modo-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: 'Archivo Black', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  width: fit-content;
}

.pill-orange {
  background: rgba(255,141,54,0.12);
  color: var(--accent-dim);
  border: 1px solid rgba(255,141,54,0.28);
}

[data-theme="dark"] .pill-orange {
  color: var(--accent);
}

.pill-teal {
  background: rgba(56,199,210,0.12);
  color: var(--primary-dim);
  border: 1px solid rgba(56,199,210,0.28);
}

[data-theme="dark"] .pill-teal {
  color: var(--primary);
}

.modo-card h3 {
  font-family: 'Archivo Black', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.modo-card .modo-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.modo-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.modo-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.dot-orange { color: var(--accent); font-size: 1.2rem; line-height: 1; }
.dot-teal { color: var(--primary); font-size: 1.2rem; line-height: 1; }

.modo-badge {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 100px;
}

.badge-recom {
  background: rgba(56,199,210,0.12);
  color: var(--primary-dim);
  border: 1px solid rgba(56,199,210,0.3);
}

[data-theme="dark"] .badge-recom {
  color: var(--primary);
}

/* ── CÓMO FUNCIONA ── */
#como {
  overflow: hidden;
  background: var(--bg);
}

.como-header {
  text-align: center;
  margin-bottom: 72px;
}

.steps-container {
  display: flex;
  gap: 0;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 52px;
  right: 52px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  opacity: 0.3;
  z-index: 0;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Archivo Black', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0 auto 20px;
  position: relative;
  background: var(--card-bg);
}

.step:nth-child(1) .step-num { border: 2px solid var(--accent); color: var(--accent); }
.step:nth-child(2) .step-num { border: 2px solid #f0a060; color: #f0a060; }
.step:nth-child(3) .step-num { border: 2px solid #60c8d0; color: #60c8d0; }
.step:nth-child(4) .step-num { border: 2px solid var(--primary); color: var(--primary); }

.step-emoji {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.step-title {
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.como-cta {
  text-align: center;
  margin-top: 60px;
  padding: 28px 36px;
  background: linear-gradient(135deg, rgba(56,199,210,0.07) 0%, rgba(255,141,54,0.07) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.como-cta span.highlight { color: var(--primary); }

/* ── IDEAL PARA ── */
#para {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.para-header {
  text-align: center;
  margin-bottom: 56px;
}

.para-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.para-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 30px 20px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: default;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.para-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(56,199,210,0.12);
}

.para-card:hover .para-emoji-wrap {
  background: rgba(56,199,210,0.12);
}

.para-emoji-wrap {
  width: 56px; height: 56px;
  background: var(--surface);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin: 0 auto 14px;
  transition: background 0.2s;
}

.para-card .para-title {
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}

/* ── CTA FINAL ── */
#cta-final {
  text-align: center;
  overflow: hidden;
  position: relative;
  background: var(--bg);
}

.cta-glow-wrap {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse at center, rgba(56,199,210,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-box .section-label { justify-content: center; display: flex; }

.cta-box h2 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: 20px;
}

.cta-box h2 span { color: var(--accent); }

.cta-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 44px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-trust {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.cta-trust span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── FOOTER ── */
footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--bg2);
}

footer p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── ANIMATIONS ── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── RESPONSIVE ── */
@media (max-width: 820px) {
  nav { padding: 14px 20px; }
  section { padding: 72px 20px; }
  .problem-grid, .solution-grid { grid-template-columns: 1fr; gap: 40px; }
  .modos-grid { grid-template-columns: 1fr; }
  .steps-container { flex-direction: column; gap: 32px; }
  .steps-container::before { display: none; }
  .para-grid { grid-template-columns: repeat(2, 1fr); }
  .para-card:nth-child(5) { grid-column: 1 / -1; }
  .chaos-visual { grid-template-columns: 1fr; }
  .chaos-msg.span2 { grid-column: 1; }
  footer { flex-direction: column; align-items: flex-start; }
  .nav-right { gap: 8px; }
  .nav-cta, .nav-cta-secondary { font-size: 0.8rem; padding: 8px 16px; }
}