/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1B3A5C;
  --accent: #27AE60;
  --accent-light: rgba(39, 174, 96, 0.1);
  --bg: #F8F9FA;
  --bg-alt: #EEF1F5;
  --text: #1B3A5C;
  --text-muted: #5A6E82;
  --white: #ffffff;
  --border: rgba(27, 58, 92, 0.1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Sora', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 5%;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo-mark {
  width: 28px;
  height: 28px;
  background: var(--primary);
  border-radius: 6px;
  position: relative;
}

.nav-logo-mark::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-name {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.nav-cta {
  background: var(--accent);
  color: var(--white);
  padding: 0.55rem 1.25rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  font-family: 'Sora', sans-serif;
  transition: background 0.2s ease;
}

.nav-cta:hover { background: #219653; }

/* === HERO === */
.hero {
  background: var(--primary);
  padding: 5rem 5% 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -100px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(39,174,96,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 65%);
  pointer-events: none;
}

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

.hero-headline {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 0.85rem 2.25rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  font-family: 'Sora', sans-serif;
  transition: background 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 20px rgba(39,174,96,0.3);
}

.hero-cta:hover {
  background: #219653;
  transform: translateY(-1px);
}

.hero-note {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

/* === SECTION SHARED === */
.section {
  padding: 5rem 5%;
}

.section-alt {
  background: var(--white);
}

.section-alt-2 {
  background: var(--bg-alt);
}

.section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 600;
  font-family: 'Sora', sans-serif;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-sub {
  margin: 0 auto;
}

/* === PROBLEM === */
.problem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  border-top: 3px solid #E74C3C;
}

.problem-card-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.75rem;
  color: #E74C3C;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.problem-card-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.problem-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.problem-insight {
  text-align: center;
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: rgba(39,174,96,0.06);
  border-radius: 12px;
  border: 1px solid rgba(39,174,96,0.15);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.problem-insight-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.5;
}

/* === APPROACH === */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.approach-visual {
  background: var(--primary);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.approach-visual::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(39,174,96,0.15) 0%, transparent 65%);
  pointer-events: none;
}

.approach-metric-block { margin-bottom: 1.5rem; }

.approach-metric-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
}

.approach-metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1.1;
}

.approach-metric-unit {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.5);
}

.approach-system-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  font-family: 'Space Grotesk', sans-serif;
}

.approach-system-items {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.approach-system-tag {
  background: rgba(39,174,96,0.2);
  border: 1px solid rgba(39,174,96,0.3);
  color: #6EE7A0;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
}

.approach-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.approach-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.approach-feature-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.approach-feature-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.3rem;
}

.approach-feature-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === WHY IT WORKS === */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  text-align: center;
  transition: box-shadow 0.2s ease;
}

.why-card:hover {
  box-shadow: 0 8px 30px rgba(27,58,92,0.08);
}

.why-icon {
  width: 52px;
  height: 52px;
  background: var(--primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.why-card-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.why-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === FOR WHO === */
.forwho-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.forwho-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.forwho-card-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.forwho-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.forwho-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.forwho-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text);
}

.forwho-check-icon {
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === SOCIAL PROOF === */
.proof {
  background: var(--primary);
  padding: 5rem 5%;
}

.proof-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.proof-quote-text {
  font-size: 1.1rem;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.25rem;
  color: rgba(255,255,255,0.9);
}

.proof-quote-attr {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.proof-quote-name {
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  display: block;
}

.proof-credentials {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.07);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
}

.credential-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.75rem;
  color: var(--accent);
  line-height: 1;
  min-width: 80px;
}

.credential-label {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

/* === CTA FINAL === */
.cta-section {
  padding: 6rem 5%;
  text-align: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse at center top, rgba(39,174,96,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.cta-inner {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-headline {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 1rem;
}

.cta-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 0.9rem 2.5rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  font-family: 'Sora', sans-serif;
  transition: background 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 20px rgba(39,174,96,0.25);
  margin-bottom: 1rem;
}

.cta-btn:hover {
  background: #219653;
  transform: translateY(-1px);
}

.cta-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 5%;
  background: var(--white);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-note {
  font-size: 0.75rem;
  color: rgba(27,58,92,0.35);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .approach-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .proof-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .forwho-grid { grid-template-columns: 1fr; }
  .section { padding: 4rem 5%; }
}

@media (max-width: 600px) {
  .nav-tagline { display: none; }
  .hero { padding: 3.5rem 5% 3.5rem; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}