/* ==========================================================================
   AG EMPOWER BUSINESS SOLUTIONS — Stylesheet
   ========================================================================== */

:root {
  --bg: #F8FAF7;
  --primary: #164C3B;
  --primary-dark: #0F3A2C;
  --secondary: #6F917F;
  --soft-bg: #EAF0EB;
  --text: #17211D;
  --muted: #65716B;
  --accent: #C5A66A;
  --border: #E3E8E4;
  --white: #FFFFFF;

  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;

  --max-width: 1180px;
  --section-pad: clamp(64px, 9vw, 120px);

  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: var(--section-pad) 0; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: var(--white); }

/* ---------- Typography ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: '';
  width: 26px;
  height: 1px;
  background: var(--accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--primary-dark);
}

h2 {
  font-size: clamp(30px, 3.6vw, 46px);
  max-width: 820px;
}

h3 { font-size: clamp(20px, 2vw, 24px); }

.section-head {
  margin-bottom: 56px;
}

.section-head p.lead {
  margin-top: 18px;
  max-width: 680px;
  font-size: 17px;
  color: var(--muted);
}

/* ---------- Section visual banner (reusable) ---------- */

.section-visual {
  margin: 0 0 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 21/7;
  border: 1px solid var(--border);
}

.section-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidome .section-visual,
.dark-visual {
  border-color: rgba(255,255,255,0.14);
}

@media (max-width: 720px) {
  .section-visual { aspect-ratio: 4/3; margin-bottom: 36px; }
}

.text-block {
  max-width: 760px;
}

.text-block p {
  color: var(--muted);
  font-size: 16.5px;
  margin-bottom: 16px;
}

.text-block p:last-child { margin-bottom: 0; }

.small-note {
  font-size: 12.5px;
  color: var(--muted);
  opacity: 0.85;
  max-width: 640px;
  line-height: 1.6;
}

.disclaimer-box {
  margin-top: 28px;
  padding: 18px 22px;
  background: var(--soft-bg);
  border-left: 3px solid var(--secondary);
  border-radius: 8px;
  font-size: 13px;
  color: var(--muted);
  max-width: 760px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(22, 76, 59, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(248, 250, 247, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}

.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(248, 250, 247, 0.92);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--primary-dark);
}

.nav-brand img { width: 36px; height: 36px; border-radius: 50%; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--primary-dark);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.mobile-panel {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 101;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  transform: translateY(-100%);
  transition: transform 0.45s var(--ease);
}

.mobile-panel.open { transform: translateY(0); }

.mobile-panel a {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--primary-dark);
}

.mobile-close {
  position: absolute;
  top: 24px; right: 28px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--primary-dark);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-top: calc(var(--section-pad) + 64px);
  padding-bottom: var(--section-pad);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -220px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 700px;
  background: radial-gradient(closest-side, rgba(22,76,59,0.10), rgba(197,166,106,0.06) 55%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero .eyebrow { justify-content: center; }
.hero .eyebrow::before, .hero .eyebrow::after { content: ''; width: 26px; height: 1px; background: var(--accent); }

.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  color: var(--primary-dark);
}

.hero h1 .line { display: block; }
.hero h1 .accent-word { color: var(--secondary); }

.hero-desc {
  margin: 30px auto 0;
  max-width: 680px;
  font-size: 18px;
  color: var(--muted);
}

.hero-sub {
  margin: 18px auto 0;
  max-width: 680px;
  font-size: 15px;
  color: var(--muted);
}

.hero-tagline {
  margin-top: 34px;
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--primary);
}

.hero-ctas {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-micro {
  margin-top: 46px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 64px auto 0;
  padding: 0 32px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* ---------- Stats grid ---------- */

.stats-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-cell {
  background: var(--white);
  padding: 36px 24px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.2vw, 44px);
  color: var(--primary);
  font-weight: 600;
}

.stat-label {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.source-note {
  margin-top: 18px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.8;
}

/* ---------- Alt section bg ---------- */

.section-soft { background: var(--soft-bg); }

/* ---------- Model steps ---------- */

.steps-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -20px rgba(22,76,59,0.25);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 18px;
}

.step-card h3 { margin-bottom: 10px; }
.step-card p { color: var(--muted); font-size: 15px; }

.closing-statement {
  margin-top: 48px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--primary-dark);
}

/* ---------- SIDOME ---------- */

.sidome {
  background: var(--primary-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.sidome::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(197,166,106,0.12), transparent 45%),
              radial-gradient(circle at 85% 75%, rgba(111,145,127,0.18), transparent 50%);
  pointer-events: none;
}

.sidome .eyebrow { color: var(--accent); }
.sidome h2, .sidome h3 { color: var(--white); }
.sidome .section-head p.lead { color: rgba(255,255,255,0.72); }
.sidome .text-block p { color: rgba(255,255,255,0.72); }

.sidome-header {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.sidome-mark {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.features-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.09);
}

.feature-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(197,166,106,0.16);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { font-size: 14.5px; color: rgba(255,255,255,0.68); }

.sidome-cta {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-top: 52px;
}

.sidome-cta a {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sidome-cta a svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.sidome-cta a:hover svg { transform: translateX(4px); }

/* ---------- Solutions (4 lines) ---------- */

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -24px rgba(22,76,59,0.22);
}

.solution-num {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.solution-card h3 { margin-bottom: 12px; font-size: 22px; }
.solution-card p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--soft-bg);
  padding: 6px 12px;
  border-radius: 100px;
}

/* ---------- Impact ---------- */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.impact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
}

.impact-num {
  font-family: var(--font-serif);
  font-size: clamp(34px, 3.6vw, 48px);
  color: var(--primary);
  font-weight: 600;
}

.impact-label {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- Founder ---------- */

.founder-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: center;
}

.founder-photo-wrap {
  position: relative;
}

.founder-photo-wrap::before {
  content: '';
  position: absolute;
  top: 20px; left: 20px;
  width: 100%; height: 100%;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.founder-photo {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.founder-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
}

.founder-name { font-size: clamp(28px, 3.2vw, 38px); margin-bottom: 6px; }
.founder-role {
  color: var(--secondary);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

/* ---------- Timeline ---------- */

.timeline {
  position: relative;
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 10px; left: 0; right: 0;
  height: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-top: 34px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 2px; left: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--secondary);
}

.timeline-date {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

.timeline-item h4 { font-size: 15px; color: var(--primary-dark); margin-bottom: 6px; line-height: 1.3; }
.timeline-item p { font-size: 13px; color: var(--muted); }

/* ---------- Credentials ---------- */

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.credential-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.credential-card h4 { font-size: 15px; color: var(--primary-dark); margin-bottom: 6px; line-height: 1.35; }
.credential-card p { font-size: 13px; color: var(--muted); }

/* ---------- Track record ---------- */

.track-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.track-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  border-top: 3px solid var(--accent);
}

.track-num {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 6px;
}

.track-tag {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  display: block;
}

.track-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- Testimonials ---------- */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--soft-bg);
  color: var(--primary);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 1px solid var(--border);
}

.quote-mark {
  font-family: var(--font-serif);
  font-size: 44px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}

.testimonial-card p.quote-text {
  color: var(--text);
  font-size: 15px;
  margin-bottom: 22px;
}

.testimonial-name { font-weight: 700; font-size: 14.5px; color: var(--primary-dark); }
.testimonial-role { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ---------- Massachusetts ---------- */

.mass-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.mass-photo-wrap { position: relative; }

.mass-photo-wrap::before {
  content: '';
  position: absolute;
  bottom: -20px; right: -20px;
  width: 100%; height: 100%;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.mass-photo {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.mass-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ---------- Ecosystem list ---------- */

.ecosystem-list {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px;
  max-width: 760px;
}

.ecosystem-list li {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.ecosystem-list li svg { width: 18px; height: 18px; color: var(--secondary); flex-shrink: 0; }

/* ---------- Methodology ---------- */

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.method-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
}

.method-card h4 { font-size: 16px; color: var(--primary-dark); margin-bottom: 8px; }
.method-card p { font-size: 14px; color: var(--muted); }

/* ---------- Principles ---------- */

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.principle-card {
  padding: 26px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.principle-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.principle-card h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--primary);
  margin-bottom: 8px;
}

.principle-card p { font-size: 13px; color: var(--muted); }

/* ---------- Vision ---------- */

.vision {
  text-align: center;
}

.vision .section-head { margin: 0 auto 40px; }
.vision .section-head h2 { margin-left: auto; margin-right: auto; }
.vision .section-head p.lead { margin-left: auto; margin-right: auto; }

.vision-visual {
  margin: 48px auto 0;
  max-width: 900px;
}

.vision-statement {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.8vw, 32px);
  color: var(--primary-dark);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ---------- Final CTA ---------- */

.final-cta {
  background:
    linear-gradient(180deg, rgba(15,58,44,0.88), rgba(15,58,44,0.94)),
    url('https://images.unsplash.com/photo-1768326530593-00a0b2627063?fm=jpg&q=80&w=2400&auto=format&fit=crop&ixlib=rb-4.1.0') center/cover no-repeat,
    var(--primary);
  color: var(--white);
  text-align: center;
  border-radius: var(--radius-lg);
  margin: 0 32px;
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(197,166,106,0.18), transparent 50%);
}

.final-cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }

.final-cta h2 { color: var(--white); margin: 0 auto 16px; }

.final-cta p {
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  margin-bottom: 36px;
}

.final-cta .hero-ctas { margin-top: 0; }

.final-cta .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}
.final-cta .btn-outline:hover { border-color: var(--white); }

.final-cta .btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
}

.final-footer-tag {
  margin-top: 40px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.6);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 48px 0 32px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-serif);
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.footer-brand img { width: 28px; height: 28px; border-radius: 50%; }

.footer-tagline { font-size: 13px; color: var(--muted); margin-bottom: 18px; }

.footer-copy { font-size: 12px; color: var(--muted); opacity: 0.7; }

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible .stagger-item {
  opacity: 1;
  transform: translateY(0);
}

.stagger-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal-stagger.is-visible .stagger-item:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible .stagger-item:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.is-visible .stagger-item:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.is-visible .stagger-item:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.is-visible .stagger-item:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.is-visible .stagger-item:nth-child(6) { transition-delay: 0.40s; }

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .credentials-grid { grid-template-columns: repeat(2, 1fr); }
  .track-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .founder-grid { grid-template-columns: 1fr; gap: 40px; }
  .founder-photo-wrap { max-width: 320px; margin: 0 auto; }
  .mass-grid { grid-template-columns: 1fr; gap: 40px; }
  .mass-photo-wrap { max-width: 380px; margin: 0 auto; order: -1; }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .timeline::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  section { padding: 56px 0; }
  .container { padding: 0 22px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: 1fr; }
  .credentials-grid { grid-template-columns: 1fr; }
  .track-grid { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .final-cta { margin: 0 16px; padding: 56px 24px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }
  .hero-visual { padding: 0 22px; margin-top: 40px; }
  .hero-visual img { aspect-ratio: 4/3; }
}