/* =============================================
   UNYOBU – Brand colors
   Navy:   #1B3A4B
   Blue-5: #2B6A8A
   Blue-4: #3A85A8
   Blue-3: #5A9DBF
   Blue-2: #7BB8D4
   BG:     #F0EFED
   ============================================= */

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

:root {
  --navy:   #1B3A4B;
  --blue5:  #2B6A8A;
  --blue4:  #3A85A8;
  --blue3:  #5A9DBF;
  --blue2:  #7BB8D4;
  --bg:     #F0EFED;
  --white:  #FFFFFF;
  --gray50: #F8F8F7;
  --gray100:#EDEDEB;
  --gray400:#9CA3AF;
  --gray600:#6B7280;
  --gray900:#111827;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(27,58,75,0.10);
  --shadow-lg: 0 8px 40px rgba(27,58,75,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--white);
  color: var(--gray900);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray100);
  padding: 16px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-logo-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.08em;
}
.nav-logo-tagline {
  font-size: 10px;
  font-weight: 500;
  color: rgba(27,58,75,0.45);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tl-accent {
  color: var(--blue4);
  font-weight: 700;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  color: var(--gray600);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--navy); }
.btn-nav {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 9px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.btn-nav:hover { background: var(--blue5) !important; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--navy);
  cursor: pointer;
}
@media (max-width: 700px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 65px;
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--gray100);
    padding: 8px 0 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 24px; width: 100%; }
}

/* ============ HERO ============ */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 88px 0 80px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue2);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  background: var(--blue4);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  display: inline-block;
}
.btn-primary:hover { background: var(--blue5); transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid rgba(255,255,255,0.35);
  transition: border-color 0.2s, background 0.2s;
  display: inline-block;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.05); }

/* Hero chart illustration */
.hero-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.chart-wrap {
  position: relative;
  display: inline-flex;
  align-items: flex-end;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 180px;
  padding: 0 16px;
}
.bar {
  border-radius: 4px 4px 0 0;
  width: 36px;
  opacity: 0.9;
}
.b1 { height: 60px;  background: var(--blue2); }
.b2 { height: 90px;  background: var(--blue3); }
.b3 { height: 120px; background: var(--blue4); }
.b4 { height: 150px; background: var(--blue5); }
.b5 { height: 180px; background: var(--navy); border: 2px solid var(--blue2); }
.chart-arrow {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

@media (max-width: 800px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-chart { display: none; }
}

/* ============ SECTIONS SHARED ============ */
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue5);
  margin-bottom: 12px;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 17px;
  color: var(--gray600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============ SERVICES ============ */
.services {
  padding: 96px 0;
  background: var(--gray50);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--gray100);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.service-card p {
  color: var(--gray600);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-card ul li {
  font-size: 14px;
  color: var(--gray600);
  padding-left: 18px;
  position: relative;
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue4);
}

/* ============ ABOUT ============ */
.about {
  padding: 96px 0;
  background: var(--white);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
@media (max-width: 800px) {
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
}
.about-text h2 {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.about-text p {
  color: var(--gray600);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 16px;
}
.credentials {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.credential {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  color: var(--gray900);
}
.cred-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue5);
  min-width: 80px;
}
.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 48px;
}
.about-card {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 28px 32px;
  color: var(--white);
}
.about-stat { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--blue2);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

/* ============ CONTACT ============ */
.contact {
  padding: 96px 0;
  background: var(--gray50);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
@media (max-width: 800px) {
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}
.contact-text h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.contact-text p {
  color: var(--gray600);
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 14px;
}
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray100);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--gray100);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--gray900);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue4);
  box-shadow: 0 0 0 3px rgba(58,133,168,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray400); }
.btn-submit { width: 100%; padding: 15px; font-size: 16px; justify-content: center; }
.form-note {
  font-size: 13px;
  color: var(--gray400);
  text-align: center;
  margin-top: -8px;
}
.form-success {
  text-align: center;
  padding: 32px;
}
.form-success h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-success p { color: var(--gray600); }

/* ============ FOOTER ============ */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.08em;
}
.footer-tagline {
  font-size: 12px;
  color: var(--blue2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.footer-links { display: flex; gap: 28px; }
.footer-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 13px; }