/* =============================================
   UNCOVER GENIUS ACADEMY — Landing Page Styles
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ---------- Variables ---------- */
:root {
  --blue:       #1A4F7A;
  --blue-dark:  #0F3251;
  --blue-mid:   #215E8E;
  --gold:       #F5A623;
  --gold-light: #FBBF4A;
  --gold-pale:  #FEF3DC;
  --white:      #FFFFFF;
  --off-white:  #F8F7F4;
  --text:       #1C2B38;
  --text-light: #5A6A76;
  --border:     #DDE4EA;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;

  --radius: 12px;
  --shadow: 0 8px 40px rgba(26,79,122,0.10);
  --shadow-sm: 0 2px 12px rgba(26,79,122,0.08);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }

/* ---------- Utilities ---------- */
.container {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 64px);
}

.section { padding-block: clamp(72px, 10vw, 120px); }

.label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--blue-dark);
  margin-bottom: 20px;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
}

.section-text {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 640px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245,166,35,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

/* ---------- NAV ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, box-shadow 0.3s;
}
nav.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
nav.scrolled .nav-logo-img { filter: none; }
nav.scrolled .nav-link    { color: var(--text); }
nav.scrolled .nav-link:hover { color: var(--blue); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo { display: flex; align-items: center; }
.nav-logo-img { height: 48px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--gold); }

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

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50px;
  overflow: hidden;
  transition: background 0.3s, border 0.3s;
}
nav.scrolled .lang-toggle {
  background: var(--off-white);
  border-color: var(--border);
}

.lang-btn {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.6);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
nav.scrolled .lang-btn { color: var(--text-light); }

.lang-btn.active {
  background: var(--gold);
  color: var(--white) !important;
  border-radius: 50px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: background 0.3s;
}
nav.scrolled .nav-hamburger span { background: var(--text); }

/* ---------- HERO ---------- */
#hero {
  min-height: 100svh;
  background: linear-gradient(145deg, var(--blue-dark) 0%, var(--blue) 55%, var(--blue-mid) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 90px;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 30%, rgba(245,166,35,0.10) 0%, transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(255,255,255,0.04) 0%, transparent 45%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.35);
  color: var(--gold-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-title span {
  display: block;
  color: var(--gold);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.72);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.4);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ---------- ABOUT ---------- */
#about { background: var(--off-white); }

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

.about-stat-row {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}
.about-stat { flex: 1; }
.about-stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--blue);
  line-height: 1;
}
.about-stat-num span { color: var(--gold); }
.about-stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 4px;
}

.about-visual {
  position: relative;
}
.about-card {
  background: var(--blue-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}
.about-card-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}
.about-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 12px;
}
.about-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
}
.about-accent {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.10;
  z-index: -1;
}

/* ---------- DIFFERENT ---------- */
#different { background: var(--white); }

.diff-header { max-width: 640px; margin-bottom: 64px; }

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

.diff-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}
.diff-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--gold);
}

.diff-card-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}
.diff-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--blue-dark);
  margin-bottom: 10px;
}
.diff-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* ---------- PHILOSOPHY ---------- */
#philosophy {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
#philosophy::before {
  content: '❝';
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20rem;
  opacity: 0.04;
  font-family: var(--font-display);
  line-height: 1;
  pointer-events: none;
}

#philosophy .label { color: var(--gold-light); }
#philosophy .section-title { color: var(--white); }
#philosophy .section-title em { color: var(--gold); }
#philosophy .section-text { color: rgba(255,255,255,0.75); max-width: 600px; }

.phil-pillars {
  display: flex;
  gap: 20px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.phil-pillar {
  flex: 1;
  min-width: 160px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: background 0.2s;
}
.phil-pillar:hover { background: rgba(255,255,255,0.12); }
.phil-pillar-icon { font-size: 1.8rem; margin-bottom: 12px; }
.phil-pillar h4 { font-size: 0.9rem; font-weight: 600; color: var(--gold-light); }
.phil-pillar p  { font-size: 0.82rem; color: rgba(255,255,255,0.6); margin-top: 6px; line-height: 1.6; }

/* ---------- PROGRAM ---------- */
#program { background: var(--off-white); }

.program-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.phase-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s;
}
.phase-card:hover { box-shadow: var(--shadow); }

.phase-header {
  padding: 32px 32px 24px;
  border-bottom: 1px solid var(--border);
}
.phase-tag {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.phase-header h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--blue-dark);
  margin-bottom: 10px;
}
.phase-header p { font-size: 0.92rem; color: var(--text-light); }

.phase-body { padding: 28px 32px 36px; }
.phase-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.phase-body li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.93rem;
  color: var(--text);
  line-height: 1.6;
}
.check-icon {
  color: var(--gold);
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 6px;
}

/* Platform card */
.platform-card {
  grid-column: 1 / -1;
  background: var(--blue-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  gap: 64px;
  align-items: center;
  box-shadow: var(--shadow);
}
.platform-text { flex: 1; }
.platform-text .label { color: var(--gold-light); }
.platform-text h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 14px;
}
.platform-text p { color: rgba(255,255,255,0.72); font-size: 0.95rem; }
.platform-channels {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.channel-badge {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 50px;
}

/* ---------- RESULTS ---------- */
#results { background: var(--white); }

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.result-item {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 24px 20px;
  border-left: 3px solid var(--gold);
  transition: transform 0.2s, box-shadow 0.2s;
}
.result-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }

#results-list {
  display: contents;
  list-style: none;
}
#results-list li {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 22px 18px;
  border-left: 3px solid var(--gold);
  font-size: 0.92rem;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.55;
  transition: transform 0.2s, box-shadow 0.2s;
}
#results-list li:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }

/* ---------- FOR WHO ---------- */
#forwho { background: var(--off-white); }

.forwho-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
#forwho-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}
#forwho-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.6;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
#forwho-list li:last-child { border-bottom: none; }

.forwho-callout {
  background: var(--blue-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}
.forwho-callout h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
  margin-bottom: 20px;
  line-height: 1.3;
}
.forwho-callout p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.8;
}
.forwho-callout .forwho-quote {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: rgba(255,255,255,0.9);
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 28px;
  padding-top: 24px;
  line-height: 1.6;
}

/* ---------- PROMISE ---------- */
#promise {
  background: var(--gold-pale);
  position: relative;
  overflow: hidden;
}
#promise::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(245,166,35,0.12);
  pointer-events: none;
}

.promise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.promise-text .section-title { color: var(--blue-dark); }
.promise-text .section-text  { color: var(--text-light); }

.dim-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.dim-badge {
  background: var(--white);
  border: 2px solid var(--gold);
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 50px;
}

.promise-highlight {
  background: var(--blue-dark);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}
.promise-highlight blockquote {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--white);
  border-left: 4px solid var(--gold);
  padding-left: 24px;
  margin-bottom: 28px;
}
.promise-highlight cite {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-style: normal;
}

/* ---------- CTA ---------- */
#cta {
  background: linear-gradient(145deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
#cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(245,166,35,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; max-width: 640px; margin-inline: auto; }
#cta .section-title { color: var(--white); }
#cta .section-text  { color: rgba(255,255,255,0.72); margin-inline: auto; }
.cta-btn-wrapper { margin-top: 36px; }

/* ---------- CONTACT ---------- */
#contact { background: var(--off-white); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
  margin-top: 16px;
}

/* Left side */
.contact-left .section-title { margin-bottom: 12px; }
.contact-left .section-text  { margin-bottom: 36px; }

.contact-cards-stack { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow 0.2s;
}
.contact-card:hover { box-shadow: var(--shadow); }
.contact-flag { font-size: 2rem; }
.contact-info h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.contact-info .phone {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--blue-dark);
  margin-bottom: 2px;
}
.contact-info .email { font-size: 0.88rem; color: var(--text-light); }

/* Right side — Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 44px 40px;
  box-shadow: var(--shadow);
}

.contact-form-header { margin-bottom: 28px; }
.contact-form-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--blue-dark);
  margin-bottom: 8px;
}
.contact-form-header p { font-size: 0.93rem; color: var(--text-light); }

.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue-dark);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--off-white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,79,122,0.08);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }

.form-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
  font-size: 1rem;
  padding: 14px 32px;
}
.submit-arrow { font-size: 1.1rem; transition: transform 0.2s; }
.form-submit:hover .submit-arrow { transform: translateX(4px); }

/* Success state */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  gap: 12px;
}
.form-success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--white);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--blue-dark);
}
.form-success p { font-size: 0.95rem; color: var(--text-light); max-width: 320px; }

/* Responsive contact */
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
}


/* ---------- FOOTER ---------- */
footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.5);
  padding: 28px 0;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-logo {
  height: 32px;
  width: auto;
}

/* ---------- NAV logo scrolled ---------- */
nav.scrolled .nav-logo-img {
  /* el logo HORIZONTAL tiene fondo blanco, se ve bien en nav scrolled */
}

/* ---------- HERO layout con sello ---------- */
.hero-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.hero-image-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-sello {
  width: clamp(200px, 28vw, 380px);
  height: auto;
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px);   }
  50%       { transform: translateY(-14px); }
}

/* ---------- About card logo ---------- */
.about-card-logo {
  width: 90px;
  height: auto;
  margin-bottom: 20px;
}

/* ---------- Promise sello ---------- */
.promise-sello {
  width: 110px;
  height: auto;
  margin-bottom: 24px;
}

/* ---------- RESPONSIVE hero layout ---------- */
@media (max-width: 900px) {
  .hero-layout { flex-direction: column; text-align: center; }
  .hero-subtitle { margin-inline: auto; }
  .hero-actions  { justify-content: center; }
  .hero-sello    { width: clamp(160px, 50vw, 240px); }
}

/* ---------- ANIMATIONS ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.fade-up:nth-child(1) { transition-delay: 0.05s; }
.fade-up:nth-child(2) { transition-delay: 0.12s; }
.fade-up:nth-child(3) { transition-delay: 0.19s; }
.fade-up:nth-child(4) { transition-delay: 0.26s; }
.fade-up:nth-child(5) { transition-delay: 0.33s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }
.fade-up:nth-child(7) { transition-delay: 0.47s; }
.fade-up:nth-child(8) { transition-delay: 0.54s; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .about-grid, .promise-grid, .forwho-grid { grid-template-columns: 1fr; gap: 48px; }
  .diff-cards { grid-template-columns: 1fr 1fr; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .program-grid { grid-template-columns: 1fr; }
  .platform-card { flex-direction: column; gap: 32px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--blue-dark);
    justify-content: center;
    align-items: center;
    gap: 36px;
    z-index: 99;
  }
  .nav-links.open .nav-link { font-size: 1.4rem; color: var(--white); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .diff-cards { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .about-stat-row { flex-direction: column; gap: 20px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}