/* ============================================
   SIMGuardID — Global Styles
   ============================================ */

:root {
  --bg:          #09131f;
  --bg-2:        #0e1e30;
  --bg-3:        #132841;
  --bg-light:    #ffffff;
  --accent:      #00c2b2;
  --accent-dark: #009e90;
  --navy:        #0b2545;
  --text:        #ffffff;
  --text-muted:  #7e9ab5;
  --text-dark:   #1a2f46;
  --border:      rgba(255,255,255,0.08);
  --border-light: #dde5ed;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius:      6px;
  --max-w:       1160px;
  --transition:  0.2s ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ─── Typography ─── */
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.75rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 700; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 700; }
p  { color: var(--text-muted); line-height: 1.75; }

/* ─── Layout ─── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 96px 0; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #05111c;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.55); }
.btn-outline-accent {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline-accent:hover { background: var(--accent); color: #05111c; }
.btn-lg { padding: 15px 32px; font-size: 1rem; }
.btn-arrow::after { content: ' →'; }

/* ─── Eyebrow ─── */
.eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ─── Section label ─── */
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(9, 19, 31, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 64px;
  display: flex;
  align-items: center;
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.nav__logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  flex-shrink: 0;
}
.nav__logo span { color: var(--accent); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav__links a:hover, .nav__links a.active { color: var(--text); }

/* Platform dropdown */
.nav__dropdown { position: relative; }
.nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  transition: color var(--transition);
  cursor: pointer;
}
.nav__dropdown-toggle:hover { color: var(--text); }
.nav__dropdown-toggle .chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition);
}
.nav__dropdown.open .chevron { transform: rotate(180deg); }
.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 16px);
  left: -16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  min-width: 220px;
  display: none;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.nav__dropdown.open .nav__dropdown-menu { display: block; }
.nav__dropdown-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-radius: 4px;
  transition: all var(--transition);
}
.nav__dropdown-menu a:hover { color: var(--text); background: var(--bg-3); }
.nav__cta { margin-left: 8px; }

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   HERO — HOMEPAGE
   ============================================ */
.hero {
  padding-top: 160px;
  padding-bottom: 100px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,194,178,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero__content { max-width: 560px; }
.hero__headline { color: var(--text); margin-bottom: 24px; }
.hero__sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 480px;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__device {
  width: 320px;
  height: 380px;
  background: var(--bg-3);
  border-radius: 20px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero__device::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(0,194,178,0.12) 0%, transparent 65%);
}
.hero__fp-icon {
  width: 96px;
  height: 96px;
  position: relative;
  z-index: 1;
}
.hero__fp-icon svg { width: 100%; height: 100%; }

/* ─── Page hero (non-homepage) ─── */
.page-hero {
  padding-top: 140px;
  padding-bottom: 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -80px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,194,178,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .container { max-width: 760px; }
.page-hero h1 { margin-bottom: 20px; }
.page-hero .hero__sub { margin-bottom: 36px; }

/* ─── Centered hero variant ─── */
.page-hero--center { text-align: center; }
.page-hero--center .container { max-width: 680px; }
.page-hero--center .hero__sub { margin: 0 auto 36px; }
.page-hero--center .hero__actions { justify-content: center; }

/* ============================================
   TRUST STRIP
   ============================================ */
.trust-strip {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.trust-strip__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.trust-strip p {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ============================================
   PROBLEM SECTION (light bg)
   ============================================ */
.problem-section {
  background: #f5f8fb;
  padding: 96px 0;
}
.problem-section h2 { color: var(--text-dark); }
.problem-section .section-intro {
  font-size: 1.1rem;
  color: #4a6070;
  max-width: 640px;
  margin-bottom: 56px;
  line-height: 1.7;
}
.problem-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.problem-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 28px 24px;
}
.problem-card__num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 12px;
}
.problem-card h4 { color: var(--text-dark); margin-bottom: 10px; font-size: 1rem; }
.problem-card p { color: #5a7080; font-size: 0.9rem; line-height: 1.65; }

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution-section {
  background: var(--bg-2);
  text-align: center;
  padding: 96px 0;
}
.solution-section .container { max-width: 720px; }
.solution-section h2 { margin-bottom: 24px; }
.solution-section p { font-size: 1.05rem; max-width: 620px; margin: 0 auto; }

/* ============================================
   PILLARS / THREE COLUMNS
   ============================================ */
.pillars-section { background: var(--bg); }
.pillars-section .section-header { margin-bottom: 56px; }
.pillars-section h2 { max-width: 480px; }
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.pillar__num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}
.pillar h3 { margin-bottom: 12px; }
.pillar p { font-size: 0.9rem; }

/* ============================================
   PLATFORM MODULES GRID
   ============================================ */
.modules-section { background: var(--bg-2); }
.modules-section .section-header { margin-bottom: 48px; }
.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.module-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.module-card:hover { border-color: rgba(0,194,178,0.3); transform: translateY(-2px); }
.module-card__tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.module-card h3 { margin-bottom: 12px; }
.module-card p { font-size: 0.9rem; margin-bottom: 24px; }
.module-card .link-arrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.module-card:hover .link-arrow { gap: 8px; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.hiw-section { background: var(--bg); }
.hiw-section .section-header { margin-bottom: 56px; }
.hiw-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.hiw-step__num {
  font-size: 2.75rem;
  font-weight: 900;
  color: rgba(0,194,178,0.2);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}
.hiw-step h3 { margin-bottom: 12px; }
.hiw-step p { font-size: 0.9rem; }

/* ============================================
   SOVEREIGNTY
   ============================================ */
.sovereignty-section { background: var(--bg-2); }
.sovereignty-section .section-header { margin-bottom: 48px; }
.sovereignty-section h2 { max-width: 520px; margin-bottom: 20px; }
.sovereignty-section > .container > p { max-width: 580px; margin-bottom: 40px; }
.pills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}
.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============================================
   CLOSING CTA BAND
   ============================================ */
.cta-band {
  background: var(--navy);
  text-align: center;
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(circle, rgba(0,194,178,0.09) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band .container { position: relative; max-width: 640px; }
.cta-band h2 { margin-bottom: 16px; }
.cta-band p { font-size: 1.05rem; max-width: 480px; margin: 0 auto 40px; }

/* ============================================
   MODULE PAGE — PROBLEM STATEMENT
   ============================================ */
.mod-problem {
  background: var(--bg-2);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.mod-problem .label { margin-bottom: 16px; }
.mod-problem p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.8;
}

/* ============================================
   MODULE PAGE — CAPABILITIES
   ============================================ */
.capabilities-section { background: var(--bg); }
.capabilities-section .section-header { margin-bottom: 16px; }
.capabilities-section .section-intro { margin-bottom: 48px; font-size: 0.9rem; color: var(--text-muted); }
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.capability-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 24px;
  transition: border-color var(--transition);
}
.capability-card:hover { border-color: rgba(0,194,178,0.25); }
.capability-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  color: var(--accent);
}
.capability-card__icon svg { width: 100%; height: 100%; }
.capability-card h4 { margin-bottom: 10px; }
.capability-card p { font-size: 0.875rem; }

/* ============================================
   MODULE PAGE — OUTCOMES
   ============================================ */
.outcomes-section { background: var(--bg-2); }
.outcomes-section h2 { margin-bottom: 48px; }
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.outcome h4 { font-size: 1.05rem; margin-bottom: 8px; }
.outcome h4 span {
  display: block;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.9rem;
  margin-top: 6px;
}
.outcome__line {
  width: 32px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 16px;
}

/* ============================================
   MODULE PAGE — WORKS WITH
   ============================================ */
.works-with-section { background: var(--bg); }
.works-with-section h2 { margin-bottom: 8px; }
.works-with-section > .container > p { margin-bottom: 40px; }
.works-with-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 560px;
}
.works-with-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: border-color var(--transition), transform var(--transition);
}
.works-with-link:hover { border-color: rgba(0,194,178,0.3); transform: translateX(4px); }
.works-with-link__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.works-with-link__text { flex: 1; }
.works-with-link__text strong { display: block; font-size: 0.9rem; color: var(--text); }
.works-with-link__text span { font-size: 0.82rem; color: var(--text-muted); }
.works-with-link__arrow { color: var(--accent); font-size: 1.1rem; }

/* ============================================
   ABOUT PAGE
   ============================================ */
.why-section { background: var(--bg-2); }
.why-section h2 { margin-bottom: 32px; }
.why-section__body { max-width: 680px; }
.why-section__body p {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.approach-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.approach-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
}
.approach-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(0,194,178,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.approach-card h3 { margin-bottom: 12px; }
.approach-card p { font-size: 0.9rem; }

.principles-section { background: var(--bg); }
.principles-section h2 { margin-bottom: 48px; }
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.principle__num {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(0,194,178,0.2);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}
.principle h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.principle p { font-size: 0.9rem; }

.deploy-section { background: var(--bg-2); }
.deploy-section h2 { margin-bottom: 20px; }
.deploy-section .deploy-body { max-width: 600px; margin-bottom: 48px; }
.deploy-map {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}
.about-legal__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  max-width: 640px;
}
.about-legal__item {
  background: var(--bg-3);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.about-legal__item--wide {
  grid-column: 1 / -1;
}
.about-legal__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.about-legal__value {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-section { background: var(--bg); padding-top: 40px; }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-form { }
.contact-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-form .required::after {
  content: ' *';
  color: var(--accent);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group { margin-bottom: 20px; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(126,154,181,0.5); }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.select-wrap { position: relative; }
.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%; transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.8rem;
}
.contact-sidebar { }
.contact-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 16px;
}
.contact-block h4 { margin-bottom: 8px; font-size: 0.95rem; }
.contact-block p { font-size: 0.875rem; }
.contact-direct {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-top: 8px;
}
.contact-direct h4 { margin-bottom: 16px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); font-weight: 600; }
.contact-direct a {
  display: block;
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 8px;
  transition: opacity var(--transition);
}
.contact-direct a:hover { opacity: 0.8; }
.contact-direct .contact-type {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #060e18;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.footer__brand .nav__logo { font-size: 1rem; margin-bottom: 12px; }
.footer__brand p { font-size: 0.85rem; max-width: 200px; }
.footer__col h5 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--text); }
.footer__base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}
.footer__copy { font-size: 0.8rem; color: rgba(126,154,181,0.5); }

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-56 { margin-bottom: 56px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { display: none; }
  .problem-cards { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav.mobile-open .nav__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .nav.mobile-open .nav__cta { display: block; }
  .problem-cards { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .hiw-steps { grid-template-columns: 1fr; }
  .approach-cards { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; align-items: flex-start; }
  .pills { flex-direction: column; }
}
