/* ── Tokens ── */
:root {
  --bg:            #F5F4F0;
  --bg-hero:       #0B1D2E;
  --surface:       #FFFFFF;
  --surface-2:     #EDECEA;
  --surface-hero:  #112338;
  --text:          #0F1923;
  --text-muted:    #5A6878;
  --text-hero:     #EEF0F4;
  --text-hero-muted: #7A94AD;
  --accent:        #C47E08;
  --accent-bright: #E8A020;
  --accent-bg:     #FFF4DC;
  --border:        #DDDAD4;
  --border-hero:   #1C3450;
  --green:         #25D366;
  --green-dark:    #1DAD56;
  --radius-sm:     6px;
  --radius:        12px;
  --radius-lg:     18px;
  --shadow:        0 2px 12px rgba(11,29,46,0.08);
  --shadow-md:     0 6px 28px rgba(11,29,46,0.12);
  --font-head:     'Sora', system-ui, sans-serif;
  --font-body:     'Source Sans 3', system-ui, sans-serif;
  --max-w:         1100px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:            #0A1520;
    --bg-hero:       #060E16;
    --surface:       #0F2033;
    --surface-2:     #162840;
    --surface-hero:  #0D1A2A;
    --text:          #E8EBF0;
    --text-muted:    #7A91A8;
    --text-hero:     #EEF0F4;
    --text-hero-muted: #7A94AD;
    --accent:        #E8A020;
    --accent-bright: #F0B030;
    --accent-bg:     #251A04;
    --border:        #1A2E42;
    --border-hero:   #1C3450;
  }
}

:root[data-theme="dark"] {
  --bg:            #0A1520;
  --bg-hero:       #060E16;
  --surface:       #0F2033;
  --surface-2:     #162840;
  --surface-hero:  #0D1A2A;
  --text:          #E8EBF0;
  --text-muted:    #7A91A8;
  --text-hero:     #EEF0F4;
  --text-hero-muted: #7A94AD;
  --accent:        #E8A020;
  --accent-bright: #F0B030;
  --accent-bg:     #251A04;
  --border:        #1A2E42;
  --border-hero:   #1C3450;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; }
ul { list-style: none; }

/* Focus visible — keyboard nav */
:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 3px; border-radius: 3px; }

/* ── Utility ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  text-wrap: balance;
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 54ch;
  margin-bottom: 48px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.18s cubic-bezier(0.34,1.2,0.64,1), box-shadow 0.18s;
}
.btn:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-whatsapp { background: #1a7a45; color: #fff; }
.btn-whatsapp:hover { background: #15633a; opacity: 1; }
.btn-ghost {
  background: transparent;
  color: var(--text-hero);
  border: 1.5px solid var(--border-hero);
}
.btn-ghost:hover { background: var(--surface-hero); opacity: 1; }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-hero);
  border-bottom: 1px solid var(--border-hero);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-hero);
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent-bright); }
.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
}
.nav-links a {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-hero-muted);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text-hero); }
.nav-cta { margin-left: auto; }

/* ── Hero ── */
.hero {
  background: var(--bg-hero);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-hero) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-hero) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: center;
  position: relative;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-badge {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 100px;
  border: 1px solid var(--border-hero);
  color: var(--text-hero-muted);
}
.hero-badge.active {
  background: var(--accent-bright);
  color: #0B1D2E;
  border-color: transparent;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--text-hero);
  line-height: 1.1;
  text-wrap: balance;
  margin-bottom: 18px;
}
.hero-headline em {
  font-style: normal;
  color: var(--accent-bright);
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-hero-muted);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero credentials card */
.cred-card {
  background: var(--surface-hero);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius-lg);
  padding: 28px;
  font-family: var(--font-head);
}
.cred-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-hero);
}
.cred-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1A4070, #0B2D50);
  border: 2px solid var(--accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-bright);
  flex-shrink: 0;
}
.cred-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-hero);
}
.cred-title {
  font-size: 0.75rem;
  color: var(--text-hero-muted);
  margin-top: 2px;
}
.cred-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
.cred-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.cred-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-hero);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cred-stat-val span { font-size: 0.85rem; font-weight: 500; }
.cred-stat-lbl {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-hero-muted);
  margin-top: 4px;
}
.cred-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cred-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-hero);
  font-size: 0.8rem;
  color: var(--text-hero);
}
.cred-badge-icon {
  width: 22px; height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.cred-badge-icon.aws { background: #FF9900; color: #fff; font-weight: 800; font-size: 0.6rem; }
.cred-badge-icon.loc { background: var(--surface-2); color: var(--text-muted); }
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  margin-left: auto;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(37,211,102,0.2);
}

/* ── Trust bar ── */
.trust-bar {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.trust-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
}
.trust-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: #7a5c00;
  font-variant-numeric: tabular-nums;
}
.trust-lbl {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Services tabs ── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  width: fit-content;
  margin-bottom: 36px;
}
.tab-btn {
  padding: 9px 20px;
  border-radius: calc(var(--radius) - 4px);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
}
.tab-btn.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}
.tab-panel { display: none; }
.tab-panel.active { display: grid; }

.services-grid {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: box-shadow 0.18s, border-color 0.18s;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.service-icon {
  width: 40px; height: 40px;
  background: var(--accent-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
}
.service-name {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.service-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
}
.portfolio-grid .portfolio-card:first-child { grid-row: span 1; }
@media (max-width: 820px) { .portfolio-grid { grid-template-columns: 1fr; } }
.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.portfolio-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--accent-bg);
  color: var(--accent);
  margin-bottom: 12px;
}
.portfolio-body { padding: 22px; }
.portfolio-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.portfolio-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}
.portfolio-result {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
  font-size: 0.85rem;
  color: var(--text);
  font-style: italic;
}

/* ── Blog ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.blog-card:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.blog-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
  font-family: var(--font-head);
}
.blog-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.4;
}
.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}
.blog-body {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.72;
  display: none;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 4px;
}
.blog-body.open { display: block; }
.blog-body h3 { font-family: var(--font-head); font-size: 0.85rem; font-weight: 700; color: var(--text-strong); margin: 14px 0 4px; }
.blog-body p { margin-bottom: 10px; }
.blog-body p:last-child { margin-bottom: 0; }
.blog-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  letter-spacing: 0.03em;
  transition: opacity 0.15s;
  align-self: flex-start;
}
.blog-read-btn:hover { opacity: 0.75; }
.blog-read-btn svg { transition: transform 0.2s; }
.blog-read-btn.open svg { transform: rotate(180deg); }

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
}
.testi-quote {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
}
.testi-quote::before { content: '\201C'; color: var(--accent); font-size: 1.4rem; line-height: 0; vertical-align: -0.3em; margin-right: 2px; }
.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testi-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent-bg);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}
.testi-name {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}
.testi-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── AI section ── */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ai-card {
  background: var(--bg-hero);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.ai-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(232,160,32,0.12), transparent 70%);
  pointer-events: none;
}
.ai-card-name {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-hero);
  margin-bottom: 8px;
}
.ai-card-desc {
  font-size: 0.85rem;
  color: var(--text-hero-muted);
  line-height: 1.55;
}
.ai-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  display: block;
}

/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.price-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
}
.price-tier {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.price-amount {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 4px;
}
.price-amount sup { font-size: 1rem; vertical-align: super; }
.price-timeline {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.price-features {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 24px;
}
.price-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text);
}
.price-feature::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1.55;
}
.price-cta { width: 100%; justify-content: center; }

.cloud-pricing {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cloud-item {}
.cloud-service {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.cloud-from {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.cloud-price {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: #7a5c00;
  font-variant-numeric: tabular-nums;
}
.cloud-scope {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

/* ── Tutoring ── */
.tutoring-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}
.course-table { width: 100%; border-collapse: collapse; }
.course-table th {
  text-align: left;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.course-table td {
  padding: 13px 14px;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.course-table tr:last-child td { border-bottom: none; }
.course-table tr:hover td { background: var(--surface-2); }
.course-level {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.course-price {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.mentorship-card {
  background: var(--bg-hero);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius);
  padding: 26px;
  color: var(--text-hero);
}
.mentorship-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--accent-bright);
}
.mentorship-card p {
  font-size: 0.875rem;
  color: var(--text-hero-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.mentorship-perks {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.mentorship-perk {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-hero);
}
.mentorship-perk::before { content: '→'; color: var(--accent-bright); font-weight: 700; }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 2px; max-width: 720px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  padding: 16px 20px;
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  transition: background 0.15s;
}
.faq-item summary:hover { background: var(--surface-2); }
.faq-item summary::after { content: '+'; color: var(--accent); font-size: 1.2rem; flex-shrink: 0; }
.faq-item[open] summary::after { content: '−'; }
.faq-item[open] summary { background: var(--surface-2); }
.faq-body {
  padding: 14px 20px 18px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

/* ── Contact ── */
.contact-section { background: var(--bg-hero); }
.contact-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-heading {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-hero);
  text-wrap: balance;
  margin-bottom: 12px;
}
.contact-sub {
  font-size: 1rem;
  color: var(--text-hero-muted);
  margin-bottom: 32px;
  line-height: 1.65;
}
.contact-channels { display: flex; flex-direction: column; gap: 12px; }
.contact-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface-hero);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-hero);
  transition: border-color 0.15s;
}
.contact-channel:hover { border-color: var(--accent-bright); }
.contact-channel-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-channel-icon.wa { background: var(--green); }
.contact-channel-icon.mail { background: #4285F4; }
.contact-channel-icon.cal { background: var(--accent); }
.contact-channel-label { font-size: 0.75rem; color: var(--text-hero-muted); margin-top: 1px; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-hero-muted);
}
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--surface-hero);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-hero);
  outline: none;
  transition: border-color 0.15s;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-hero-muted); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--accent-bright); }
.form-field select option { background: #112338; }
.form-field textarea { resize: vertical; min-height: 100px; }
.form-submit { width: 100%; justify-content: center; padding: 14px; font-size: 0.95rem; }

/* ── Footer ── */
.footer {
  background: var(--bg-hero);
  border-top: 1px solid var(--border-hero);
  padding: 28px 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-logo {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-hero);
}
.footer-logo span { color: var(--accent-bright); }
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-hero-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text-hero); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-hero-muted);
}

/* ── Floating WhatsApp button ── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 12px 18px 12px 14px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.wa-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.5);
}
.wa-float svg { flex-shrink: 0; }
@media (max-width: 480px) {
  .wa-float span { display: none; }
  .wa-float { padding: 14px; border-radius: 50%; }
}

/* ── Responsive ── */
@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; }
  .cred-card { display: none; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .cloud-pricing { grid-template-columns: 1fr 1fr; }
  .tutoring-layout { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 62px; left: 0; right: 0; background: var(--bg-hero); border-bottom: 1px solid var(--border-hero); padding: 12px 0 16px; gap: 0; z-index: 99; }
  .nav-links.open li a { display: block; padding: 13px 24px; font-size: 0.95rem; min-height: 44px; }
  .nav-hamburger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; cursor: pointer; background: none; border: none; padding: 4px; margin-left: auto; }
  .nav-hamburger span { display: block; height: 2px; background: var(--text-hero); border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
  .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .form-row { grid-template-columns: 1fr; }
}
.nav-hamburger { display: none; }

@media (max-width: 540px) {
  .ai-grid { grid-template-columns: 1fr; }
  .cloud-pricing { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}

/* ── Motion ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes gridDrift {
  0%   { background-position: 0 0, 0 0; }
  100% { background-position: 48px 48px, 48px 48px; }
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}
@keyframes pulseGreen {
  0%, 100% { box-shadow: 0 0 0 3px rgba(37,211,102,0.25); }
  50%       { box-shadow: 0 0 0 8px rgba(37,211,102,0.06); }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Hero staggered entrance */
.hero-badges   { animation: fadeUp 0.55s cubic-bezier(0.22,1,0.36,1) 0.05s both; }
.hero-headline { animation: fadeUp 0.65s cubic-bezier(0.22,1,0.36,1) 0.20s both; }
.hero-sub      { animation: fadeUp 0.65s cubic-bezier(0.22,1,0.36,1) 0.35s both; }
.hero-actions  { animation: fadeUp 0.65s cubic-bezier(0.22,1,0.36,1) 0.50s both; }
.cred-card     { animation: fadeUp 0.75s cubic-bezier(0.22,1,0.36,1) 0.30s both,
                             floatCard 5s ease-in-out 1.5s infinite; }

/* Animated hero grid */
.hero::before { animation: gridDrift 20s linear infinite; }

/* Status dot pulse */
.status-dot { animation: pulseGreen 2.2s ease-in-out infinite; }

/* Accent button shimmer */
.btn-accent {
  background: linear-gradient(110deg, var(--accent) 38%, #f0b848 50%, var(--accent) 62%);
  background-size: 200% auto;
  animation: shimmer 4s linear 2s infinite;
}

/* Scroll reveal base */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.55s cubic-bezier(0.22,1,0.36,1),
              transform 0.55s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Stagger grid children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.5s cubic-bezier(0.22,1,0.36,1),
              transform 0.5s cubic-bezier(0.22,1,0.36,1);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.00s; opacity:1; transform:none; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; opacity:1; transform:none; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.16s; opacity:1; transform:none; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; opacity:1; transform:none; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.32s; opacity:1; transform:none; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.40s; opacity:1; transform:none; }

/* Service icon micro-scale */
.service-icon { transition: transform 0.22s ease; }
.service-card:hover .service-icon { transform: scale(1.15); }

/* AI card hover lift */
.ai-card { transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease; }
.ai-card:hover { transform: translateY(-5px); border-color: rgba(232,160,32,0.45); box-shadow: 0 10px 36px rgba(232,160,32,0.12); }

/* Portfolio + testimonial hover */
.portfolio-card { transition: transform 0.22s ease, box-shadow 0.22s ease; }
.portfolio-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.testi-card { transition: transform 0.22s ease, box-shadow 0.22s ease; }
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
}

/* ── Page header (multi-page) ── */
.page-header {
  background: var(--bg-hero);
  border-bottom: 1px solid var(--border-hero);
  padding: 56px 0 48px;
}
.page-header .section-label { color: var(--accent-bright); }
.page-header .section-title { color: var(--text-hero); margin-bottom: 10px; }
.page-header .section-sub { color: var(--text-hero-muted); margin-bottom: 0; }

/* Active nav link */
.nav-links a.nav-active { color: var(--text-hero); }

/* Portfolio mock preview */
.portfolio-mock { line-height: 0; border-radius: 8px 8px 0 0; overflow: hidden; background: #0a1622; }

/* Scroll offset for sticky nav on anchor deep-links */
section[id], div[id].cloud-item { scroll-margin-top: 80px; }

/* Cloud pricing 4-col on pricing page */
.cloud-pricing { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .cloud-pricing { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .cloud-pricing { grid-template-columns: 1fr; } }