/* Plinth-Infra Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --navy: #0F1F3D;
  --teal: #0D6E8A;
  --accent: #00C2A8;
  --ink: #1E2F3E;
  --muted: #5E748A;
  --line: #E3EAF0;
  --bg: #F5F8FB;
  --card: #FFFFFF;
  --bg-alt: #F0F4F8; /* very light navy-tint for section alternation */
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* Layout & Spacing */
.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 80px 24px;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
}

p {
  margin-bottom: 24px;
  color: var(--muted);
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent);
}

/* Header & Navigation */
header {
  background: var(--navy);
  padding: 20px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav a {
  color: #fff;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 12px;
  border-radius: 6px;
}

nav a:hover, nav a.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
}

nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a365d 100%);
  color: #fff;
  padding: 120px 24px;
  text-align: center;
}

.hero-container {
  max-width: 820px;
  margin: 0 auto;
}

.hero h1 {
  color: #fff;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero .tagline {
  font-size: clamp(20px, 3vw, 24px);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}

.hero .subline {
  font-size: 18px;
  color: #CFE0EC;
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 16px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  background: #00d6b9;
  transform: translateY(-2px);
  color: var(--navy);
}

/* Section Typography */
.section-headline {
  font-size: clamp(28px, 4vw, 36px);
  margin-bottom: 32px;
  text-align: center;
}

.punch-line {
  font-size: 24px;
  font-weight: 600;
  color: var(--teal);
  text-align: center;
  margin: 48px 0;
  padding: 32px;
  background: rgba(13, 110, 138, 0.05);
  border-radius: 12px;
  border-left: 4px solid var(--accent);
}

.bold-question {
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 24px;
}

/* Contact Page Specific */
.contact-container {
  text-align: center;
  padding: 120px 24px;
  min-height: 60vh;
}

.contact-email {
  display: inline-block;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: var(--teal);
  margin: 48px 0;
  word-break: break-all;
}

.contact-email:hover {
  color: var(--accent);
}

/* Footer */
footer {
  background: var(--navy);
  color: #CFE0EC;
  padding: 48px 24px;
  text-align: center;
  font-size: 14px;
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 20px;
    gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  
  nav ul.show {
    display: flex;
  }
}

/* =========================================
   APPENDIX A: Visual Components Styles
   ========================================= */
.pl-wrap {
  font-family: var(--font);
  color: var(--ink);
  background: transparent;
  -webkit-font-smoothing: antialiased;
  padding: 80px 24px;
  max-width: 1120px;
  margin: 0 auto;
}
.pl-wrap * { box-sizing: border-box; }
.pl-eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; color: var(--teal); margin: 0 0 8px; }
.pl-h { font-size: clamp(22px, 3vw, 30px); font-weight: 700; letter-spacing: -.01em; color: var(--navy); margin: 0 0 6px; }
.pl-lede { font-size: 15px; color: var(--muted); margin: 0 0 48px; max-width: 64ch; line-height: 1.5; }

.pl-icons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 64px; }
.pl-icon-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 20px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.pl-icon-card:hover { transform: translateY(-3px); border-color: #CFE0EC; box-shadow: 0 10px 26px rgba(15,31,61,.08); }
.pl-badge { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: rgba(13,110,138,.08); color: var(--teal); margin-bottom: 14px; }
.pl-badge svg { width: 26px; height: 26px; }
.pl-icon-card h3 { font-size: 16px; font-weight: 600; color: var(--navy); margin: 0 0 4px; }
.pl-icon-card p { font-size: 13.5px; line-height: 1.5; color: var(--muted); margin: 0; }

.pl-circle { width: 100%; max-width: 520px; height: auto; display: block; margin: 4px auto 10px; }
.pl-caption { max-width: 66ch; text-align: center; color: var(--muted); font-size: 14px; line-height: 1.55; margin: 0 auto 10px; }
.pl-bottlenecks { text-align: center; font-size: 12.5px; color: var(--teal); font-weight: 600; letter-spacing: .02em; margin: 0 auto 30px; }
.pl-stages2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pl-card2 { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.pl-s-eyebrow { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--teal); margin: 0 0 4px; }
.pl-card2 h4 { font-size: 17px; font-weight: 600; color: var(--navy); margin: 0 0 8px; }
.pl-desc { font-size: 13.5px; line-height: 1.55; color: var(--muted); margin: 0 0 14px; }
.pl-parties { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.pl-parties li { font-size: 11.5px; line-height: 1; padding: 6px 10px; border-radius: 999px; background: rgba(13,110,138,.06); border: 1px solid var(--line); color: #33576B; }
.pl-close2 { text-align: center; font-size: clamp(17px, 2.4vw, 20px); font-weight: 700; color: var(--navy); margin: 30px 0 0; letter-spacing: .01em; }
.pl-close2 .a { color: var(--accent); }

@media (max-width: 780px) { .pl-icons { grid-template-columns: 1fr 1fr; } .pl-stages2 { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .pl-icons { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: no-preference) {
  .pl-halo { animation: plpulse 3.4s ease-in-out infinite; }
  .pl-halo.b { animation-delay: .6s; } .pl-halo.c { animation-delay: 1.2s; }
  @keyframes plpulse { 0%, 100% { opacity: .16; } 50% { opacity: .04; } }
}