/* ============================================================
   mauricioboteroj.cloud — Main Stylesheet
   Light McKinsey-style executive personal brand
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --bg-primary:    #FFFFFF;
  --bg-secondary:  #FFFFFF;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #F5F5F5;
  --text-primary:  #0D1B2A;
  --text-secondary:#4A5568;
  --text-muted:    #718096;
  --accent:        #003B7A;
  --accent-hover:  #004D99;
  --accent-dim:    rgba(0,59,122,0.08);
  --border:        #E5E5E5;
  --border-accent: rgba(0,59,122,0.20);
  --font-heading:  'Playfair Display', Georgia, serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow:        0 8px 40px rgba(0,0,0,0.10);
  --radius:        8px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
p  { color: var(--text-secondary); font-weight: 300; }

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
section { padding: 6rem 0; }

/* ── Section header ── */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
}
.section-title { margin-bottom: 1rem; }
.section-title span { color: var(--accent); }
.section-intro {
  font-size: 1.05rem;
  max-width: 640px;
  color: var(--text-secondary);
  margin-bottom: 3.5rem;
}
.divider {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 1.5rem 0 3rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,59,122,0.25);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
}
.btn-secondary:hover {
  background: var(--accent-dim);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  font-size: 0.85rem;
  padding: 0.6rem 1.3rem;
}
.btn-outline:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all var(--transition);
}
#navbar.scrolled {
  padding: 0.8rem 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.lang-toggle {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.lang-btn {
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--text-muted);
  transition: all var(--transition);
  font-family: var(--font-body);
}
.lang-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  display: none;
}
.hero-grid {
  display: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 5rem;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}
.hero-name { margin-bottom: 0.5rem; }
.hero-title {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 300;
  color: var(--accent);
  margin-bottom: 1.8rem;
  letter-spacing: 0.04em;
}
.hero-description {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-badges {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.hero-badge::before {
  content: '✓';
  color: var(--accent);
  font-size: 0.75rem;
}

/* Photo card */
.hero-photo-wrap {
  position: relative;
}
.hero-photo-frame {
  position: relative;
  overflow: hidden;
  background: transparent;
  aspect-ratio: 3/4;
  max-height: 520px;
}
.hero-photo-frame::before {
  display: none;
}
.hero-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  mix-blend-mode: normal;
}
.hero-photo-badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--accent);
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  z-index: 2;
  box-shadow: var(--shadow);
}
.hero-photo-badge strong {
  display: block;
  font-size: 1.8rem;
  font-family: var(--font-heading);
  line-height: 1;
}
.hero-photo-badge span {
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.85;
}
.hero-photo-accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  opacity: 0.4;
}
.hero-photo-accent::after {
  content: '';
  position: absolute;
  top: 15px; left: 15px; right: 15px; bottom: 15px;
  border: 1px solid var(--border-accent);
  border-radius: 50%;
}

/* ============================================================
   IMPACT NUMBERS
   ============================================================ */
#impact {
  padding: 5rem 0;
  background: var(--bg-secondary);
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
}
.impact-item {
  padding: 2rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--transition);
}
.impact-item:last-child { border-right: none; }
.impact-item:hover { background: var(--accent-dim); }
.impact-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.4rem;
  display: block;
}
.impact-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ============================================================
   ABOUT
   ============================================================ */
#about { background: var(--bg-primary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-text p { margin-bottom: 1.2rem; font-size: 1rem; }
.about-specialties {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.specialty-tag {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  color: var(--accent);
  background: var(--accent-dim);
  letter-spacing: 0.03em;
}
.about-right { display: flex; flex-direction: column; gap: 1.5rem; }
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
}
.about-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}
.about-card-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}
.about-card h4 {
  font-size: 0.95rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.about-card p { font-size: 0.875rem; margin: 0; }

/* ============================================================
   WHAT I OFFER
   ============================================================ */
#offer { background: var(--bg-secondary); }
.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.offer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  cursor: default;
}
.offer-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.offer-card:hover::before { transform: scaleX(1); }
.offer-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.offer-card.featured {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0,59,122,0.04) 100%);
}
.offer-card.featured::before { transform: scaleX(1); }
.offer-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.5;
  background: linear-gradient(180deg, rgba(0,59,122,0.25) 0%, transparent 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.offer-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.offer-card .offer-subtitle {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.offer-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.offer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.offer-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.offer-list li::before {
  content: '→';
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
#experience { background: var(--bg-primary); }
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
}
.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 2.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-4px);
  box-shadow: 0 0 0 3px rgba(0,59,122,0.15);
}
.timeline-company {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.timeline-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.timeline-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  transition: border-color var(--transition);
}
.timeline-body:hover { border-color: var(--border-accent); }
.timeline-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.timeline-achievements {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.timeline-achievements li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}
.timeline-achievements li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
  top: 2px;
}
.timeline-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}
.tech-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  background: #F0F0F0;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
}

/* ============================================================
   EDUCATION
   ============================================================ */
#education { background: var(--bg-secondary); }
.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  transition: all var(--transition);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.edu-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}
.edu-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.edu-degree {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.edu-school {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.edu-year {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.edu-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ============================================================
   RECOGNITION
   ============================================================ */
#recognition { background: var(--bg-primary); }
.recognition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.recognition-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
  text-align: center;
}
.recognition-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}
.recognition-icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
  display: block;
}
.recognition-card h4 {
  font-size: 0.95rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.recognition-card p {
  font-size: 0.82rem;
  margin: 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-item-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}
.contact-item-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 400;
}
.contact-social { display: flex; gap: 0.75rem; margin-top: 1rem; }
.social-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.social-btn:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.cv-downloads { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 0.5rem; }
.cv-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.cv-link:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.cv-link span { font-size: 0.7rem; color: var(--accent); }

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.form-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.form-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: #F8F8F8;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,59,122,0.1);
}
.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23718096' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  background-color: #F8FAFC;
}
.form-group select option { background: #FFFFFF; }
.form-group textarea { resize: vertical; min-height: 120px; }
/* Honeypot */
.hp-field { display: none; }
.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(52,199,89,0.1);
  border: 1px solid rgba(52,199,89,0.3);
  color: #34C759;
}
.form-status.error {
  display: block;
  background: rgba(255,59,48,0.1);
  border: 1px solid rgba(255,59,48,0.3);
  color: #FF3B30;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: #0D1B2A;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: #8AA3B8;
}
.footer-name span { color: #6B9FD4; }
.footer-copy {
  font-size: 0.78rem;
  color: #6B8299;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-photo-wrap { max-width: 360px; margin: 0 auto; }
  .impact-grid { grid-template-columns: repeat(3, 1fr); }
  .impact-item:nth-child(3) { border-right: none; }
  .impact-item:nth-child(4) { border-top: 1px solid var(--border); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
  section { padding: 4rem 0; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .offer-grid { grid-template-columns: 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .recognition-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .impact-item:nth-child(2n) { border-right: none; }
  .impact-item { border-top: 1px solid var(--border); }
  .impact-item:nth-child(1),
  .impact-item:nth-child(2) { border-top: none; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; justify-content: center; }
}
@media (max-width: 480px) {
  .recognition-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form-wrap { padding: 1.5rem; }
}