/* ============================================================
   CAP — Controllable Abstraction Programming
   ============================================================ */

:root {
  --c-navy: #0f1b2d;
  --c-navy-light: #1a2d47;
  --c-slate: #334155;
  --c-slate-light: #64748b;
  --c-blue: #3b82f6;
  --c-blue-dark: #2563eb;
  --c-blue-pale: #dbeafe;
  --c-gold: #f59e0b;
  --c-white: #ffffff;
  --c-off-white: #f8fafc;
  --c-border: #e2e8f0;
  --c-bg-alt: #f1f5f9;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-w: 1140px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow: 0 4px 20px rgba(0,0,0,.07);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.1);
  --transition: .25s ease;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--c-slate);
  line-height: 1.75;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
main { flex:1; }
a { color: var(--c-blue-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-blue); }
img { max-width:100%; height:auto; display:block; }
.container { max-width: var(--max-w); margin:0 auto; padding:0 24px; }

/* --- Utility --- */
.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-blue-dark);
  background: var(--c-blue-pale);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.section-heading {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--c-navy);
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.section-sub {
  font-size: .98rem;
  color: var(--c-slate-light);
  max-width: 580px;
  line-height: 1.75;
}
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.bg-alt { background: var(--c-bg-alt); }
.section-padded { padding: 56px 0; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: .9rem;
  font-weight: 600;
  font-family: var(--font);
  border: 1.5px solid var(--c-blue-dark);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  background: var(--c-blue-dark);
  color: var(--c-white);
  letter-spacing: .02em;
}
.btn:hover { background: var(--c-blue); border-color: var(--c-blue); color:#fff; text-decoration:none; box-shadow: 0 4px 14px rgba(37,99,235,.3); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--c-blue-dark); }
.btn-outline:hover { background: var(--c-blue-dark); color: var(--c-white); box-shadow: 0 4px 14px rgba(37,99,235,.25); }
.btn-white { background: var(--c-white); color: var(--c-navy); border-color: var(--c-white); font-weight: 700; }
.btn-white:hover { background: var(--c-blue-pale); border-color: var(--c-blue-pale); color: var(--c-blue-dark); box-shadow: 0 4px 16px rgba(255,255,255,.2); }
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: var(--c-white);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.85);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255,255,255,.1);
}
.btn-sm { padding: 9px 20px; font-size: .84rem; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display:flex; align-items:center; gap:10px; }
.logo:hover { text-decoration:none; }
.logo-img { height:36px; width:auto; }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-blue-dark);
  color: var(--c-white);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 4px 12px;
  border-radius: 6px;
  letter-spacing: .04em;
}
.logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-navy);
  letter-spacing: -.01em;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.35rem;
  cursor: pointer;
  color: var(--c-navy);
  padding: 6px;
}
.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}
.nav-list a {
  display: block;
  padding: 8px 16px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--c-slate);
  border-radius: 8px;
  transition: all var(--transition);
  letter-spacing: .01em;
}
.nav-list a:hover,
.nav-list a.active {
  color: var(--c-blue-dark);
  background: var(--c-blue-pale);
  text-decoration: none;
}
.nav-cta a,
a.nav-cta {
  background: var(--c-gold-pale);
  color: var(--c-blue-dark) !important;
  padding: 9px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .86rem;
  letter-spacing: .02em;
  border-color: var(--c-blue-pale);
  transition: all var(--transition);
}
.nav-cta a:hover,
a.nav-cta:hover {
  background: var(--c-blue-dark);
  color: #fff !important;
  border-color: var(--c-blue-dark);
  box-shadow: 0 3px 10px rgba(37,99,235,.3);
}
.lang-switch a {
  display: block;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--c-slate);
  border: 1.5px solid var(--c-border);
  border-radius: 100px;
  letter-spacing: .03em;
  transition: all var(--transition);
}
.lang-switch a:hover {
  color: var(--c-blue-dark);
  border-color: var(--c-blue-dark);
  background: var(--c-blue-pale);
  text-decoration: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-light) 50%, #1e3a5f 100%);
  color: var(--c-white);
  padding: 80px 0 68px;
  overflow: hidden;
}
.hero-content { max-width: 900px; }
.hero-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -.01em;
}
.hero-tagline {
  font-size: 1.18rem;
  font-weight: 400;
  opacity: .88;
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.hero-desc {
  font-size: 1.05rem;
  opacity: .82;
  line-height: 1.75;
  max-width: 780px;
  margin-bottom: 26px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* --- Stats Bar --- */
.stats-bar {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 30px 36px;
  display: flex;
  justify-content: space-around;
  max-width: 740px;
  margin: -44px auto 0;
  position: relative;
  z-index: 10;
}
.stat-item { text-align:center; }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-blue-dark);
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  color: var(--c-slate-light);
  margin-top: 5px;
  font-weight: 500;
}

/* ============================================================
   TWO-COL LAYOUT
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

/* ============================================================
   CONCEPT GRID (4 cards)
   ============================================================ */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.concept-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px 18px 20px;
  text-align: center;
  transition: all var(--transition);
}
.concept-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.concept-card.highlight {
  border-color: var(--c-blue-dark);
  box-shadow: 0 0 0 2px var(--c-blue-pale);
}
.concept-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  line-height: 1;
}
.concept-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 6px;
}
.concept-card h3 small {
  display: block;
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-slate-light);
  margin-top: 2px;
}
.concept-card p {
  font-size: .85rem;
  color: var(--c-slate-light);
  line-height: 1.6;
  margin-bottom: 14px;
}
.concept-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 5px 14px;
  border-radius: 100px;
}
.concept-tag.ai {
  background: #fef3c7;
  color: #92400e;
}
.concept-tag.shared {
  background: #e0e7ff;
  color: #3730a3;
}
.concept-tag.human {
  background: #dcfce7;
  color: #166534;
}

/* ============================================================
   PRINCIPLES GRID (3 cards)
   ============================================================ */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 28px;
}
.principle-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  text-align: left;
  transition: all var(--transition);
}
.principle-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.principle-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--c-blue-dark);
  color: var(--c-white);
  font-size: .88rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.principle-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 10px;
}
.principle-card p {
  font-size: .9rem;
  color: var(--c-slate-light);
  line-height: 1.7;
}

/* ============================================================
   FLOW DIAGRAM (CAP → CAPI → EFCAP)
   ============================================================ */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.flow-step {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  min-width: 200px;
  text-align: center;
  transition: all var(--transition);
}
.flow-step:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.flow-step.active {
  border-color: var(--c-blue-dark);
  box-shadow: 0 0 0 2px var(--c-blue-pale), var(--shadow);
}
.flow-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  line-height: 1;
}
.flow-step h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--c-navy);
  margin-bottom: 4px;
}
.flow-step p {
  font-size: .88rem;
  color: var(--c-slate-light);
  margin-bottom: 2px;
}
.flow-step small {
  font-size: .78rem;
  color: var(--c-slate-light);
  opacity: .75;
}
.flow-arrow {
  font-size: 1.6rem;
  color: var(--c-blue-dark);
  font-weight: 700;
}

/* ============================================================
   REJECT GRID (3 cards)
   ============================================================ */
.reject-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 28px;
}
.reject-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  text-align: center;
  transition: all var(--transition);
  border-top: 3px solid #ef4444;
}
.reject-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.reject-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.reject-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 10px;
}
.reject-card p {
  font-size: .88rem;
  color: var(--c-slate-light);
  line-height: 1.65;
}

/* ============================================================
   ASIDE CARD
   ============================================================ */
.aside-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-blue-dark);
  border-radius: var(--radius);
  padding: 24px 28px;
}
.aside-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 12px;
}
.aside-card blockquote {
  font-style: italic;
  color: var(--c-slate);
  font-size: .92rem;
  line-height: 1.7;
  margin-bottom: 16px;
  padding: 0;
  border: none;
}

/* ============================================================
   CHECK / CROSS LISTS
   ============================================================ */
.check-list,
.cross-list {
  list-style: none;
  padding: 0;
}
.check-list li,
.cross-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-size: .93rem;
  color: var(--c-slate);
  line-height: 1.6;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: 700;
  font-size: .95rem;
}
.cross-list li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: #dc2626;
  font-weight: 700;
  font-size: .95rem;
}

/* ============================================================
   CAPI STAGES (About page)
   ============================================================ */
.capi-stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.capi-stage {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: all var(--transition);
}
.capi-stage:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.stage-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--c-blue-dark);
  color: var(--c-white);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.capi-stage h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 8px;
}
.capi-stage p {
  font-size: .84rem;
  color: var(--c-slate-light);
  line-height: 1.6;
}

/* ============================================================
   PHASE CARDS (Programs page)
   ============================================================ */
.phase-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.phase-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  color: var(--c-white);
}
.phase-1 { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); }
.phase-2 { background: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%); }
.phase-3 { background: linear-gradient(135deg, #059669 0%, #10b981 100%); }
.phase-num {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: rgba(255,255,255,.2);
  padding: 6px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.phase-meta h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.phase-meta p {
  font-size: .82rem;
  opacity: .85;
}
.phase-body {
  padding: 22px 28px;
}
.phase-control {
  font-size: .88rem;
  color: var(--c-slate);
  margin-bottom: 24px;
  padding: 10px 16px;
  background: var(--c-bg-alt);
  border-radius: var(--radius);
}
.phase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
.phase-grid h4 {
  font-size: .92rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 12px;
}
.phase-grid ul {
  list-style: none;
  padding: 0;
}
.phase-grid ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: .86rem;
  color: var(--c-slate);
  line-height: 1.6;
}
.phase-grid ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--c-blue-dark);
  font-weight: 700;
  font-size: 1rem;
}
.phase-gate {
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: .84rem;
  color: #92400e;
  line-height: 1.6;
}

/* ============================================================
   SERVICES / CARD GRID (reused across pages)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}
.service-card {
  background: var(--c-white);
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--c-blue-dark);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--c-blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 10px;
}
.service-card p {
  font-size: .9rem;
  color: var(--c-slate-light);
  line-height: 1.65;
}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-light) 100%);
  color: var(--c-white);
  padding: 44px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.cta-band p {
  opacity: .75;
  margin-bottom: 22px;
  font-size: .95rem;
}
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   PAGE BANNER
   ============================================================ */
.page-banner {
  background: var(--c-navy);
  background-size: cover;
  background-position: center;
  color: var(--c-white);
}
.page-banner-overlay {
  background: linear-gradient(135deg, rgba(15,27,45,.88) 0%, rgba(37,99,235,.6) 100%);
  padding: 48px 0 38px;
}
.page-banner > .container { padding-top: 48px; padding-bottom: 38px; }
.page-banner h1 {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
.breadcrumb {
  margin-top: 8px;
  opacity: .6;
  font-size: .85rem;
}
.breadcrumb a { color: rgba(255,255,255,.8); }
.breadcrumb a:hover { color: #fff; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
}
.about-photo-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.about-text h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-navy);
  margin-bottom: 18px;
}
.about-text p {
  margin-bottom: 14px;
  color: var(--c-slate);
  line-height: 1.8;
}

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
  padding: 40px 0;
  background: var(--c-bg-alt);
}
.timeline-items {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  padding-left: 36px;
}
.timeline-items::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--c-blue-pale);
}
.timeline-item {
  position: relative;
  margin-bottom: 20px;
  padding-left: 24px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-blue-dark);
  border: 3px solid var(--c-blue-pale);
}
.timeline-year {
  font-size: .76rem;
  font-weight: 700;
  color: var(--c-blue-dark);
  letter-spacing: .06em;
  margin-bottom: 3px;
}
.timeline-item h4 {
  font-size: .96rem;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 3px;
}
.timeline-item p {
  font-size: .88rem;
  color: var(--c-slate-light);
}

/* ============================================================
   ENROLLMENT STEPS
   ============================================================ */
.enroll-steps {
  list-style: none;
  padding: 0;
  counter-reset: enroll;
}
.enroll-steps li {
  counter-increment: enroll;
  position: relative;
  padding-left: 34px;
  margin-bottom: 12px;
  font-size: .9rem;
  color: var(--c-slate);
  line-height: 1.6;
}
.enroll-steps li::before {
  content: counter(enroll);
  position: absolute;
  left: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--c-blue-dark);
  color: var(--c-white);
  font-size: .72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info h2,
.contact-form-wrap h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--c-navy);
  margin-bottom: 24px;
}
.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--c-blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.info-text strong {
  display: block;
  color: var(--c-navy);
  font-size: .88rem;
  margin-bottom: 2px;
}
.info-text p,
.info-text a {
  font-size: .9rem;
  color: var(--c-slate-light);
}
.contact-form-wrap {
  background: var(--c-white);
  padding: 34px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  margin-bottom: 7px;
  font-weight: 600;
  font-size: .88rem;
  color: var(--c-navy);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  font-size: .92rem;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--c-off-white);
  color: var(--c-slate);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-blue-dark);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
  background: var(--c-white);
}
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: .9rem;
}
.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-navy);
  color: #94a3b8;
  padding: 52px 0 0;
  margin-top: 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 36px;
}
.footer-brand .logo-mark {
  font-size: .88rem;
  padding: 3px 10px;
}
.footer-brand .logo-text { color: var(--c-white); font-size: 1rem; }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p {
  font-size: .86rem;
  line-height: 1.7;
  color: #94a3b8;
}
.footer-col h4 {
  color: var(--c-white);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 16px;
}
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  color: #94a3b8;
  font-size: .86rem;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--c-white); text-decoration:none; }
.footer-col p {
  font-size: .86rem;
  margin-bottom: 5px;
  line-height: 1.6;
}
.footer-col a { color: #93c5fd; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  text-align: center;
  font-size: .8rem;
  color: #64748b;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .concept-grid { grid-template-columns: repeat(2, 1fr); }
  .capi-stages { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .principles-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .reject-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .stats-bar { flex-wrap: wrap; gap: 20px; padding: 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .phase-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-list {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--c-white);
    flex-direction: column;
    padding: 12px 16px;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow);
  }
  .nav-list.open { display: flex; }
  .hero h1 { font-size: 2.1rem; }
  .hero { padding: 72px 0 60px; }
  .hero-tagline { font-size: 1.05rem; }
  .stats-bar { margin-top: -28px; flex-direction: column; gap: 14px; }
  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .about-photo-wrap img { max-width: 260px; margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .section-heading { font-size: 1.55rem; }
  .concept-grid { grid-template-columns: 1fr 1fr; }
  .capi-stages { grid-template-columns: 1fr; }
  .flow-diagram { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .phase-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .section-padded { padding: 56px 0; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }
  .hero-buttons { flex-direction: column; }
  .concept-grid { grid-template-columns: 1fr; }
}