/* ============================================
   MS Digital Innovations LLC — Design System
   Blueprint / schematic visual language
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --navy: #0F2138;
  --navy-2: #16283F;
  --navy-3: #1C3252;
  --paper: #F5F3EE;
  --paper-2: #EDEAE1;
  --ink: #12203A;
  --line: #9FB8D9;
  --line-soft: rgba(159, 184, 217, 0.22);
  --line-softer: rgba(159, 184, 217, 0.12);
  --amber: #D9A441;
  --amber-2: #C68F2E;
  --slate: #5B6B85;
  --slate-2: #8393AC;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-width: 1180px;
  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--amber-2);
  display: inline-block;
}

p { margin: 0 0 1em; color: var(--slate); }

/* ============ Blueprint grid background ============ */
.grid-bg {
  background-color: var(--navy);
  background-image:
    linear-gradient(var(--line-softer) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-softer) 1px, transparent 1px);
  background-size: 40px 40px;
  position: relative;
}

.grid-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 200px 200px;
  pointer-events: none;
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 33, 56, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-soft);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.02em;
}

.nav-brand .mark {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--amber);
  border-radius: 2px;
  position: relative;
  flex-shrink: 0;
}

.nav-brand .mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--amber);
  opacity: 0.6;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  color: var(--line);
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover { color: var(--white); }

.nav-links a.active { color: var(--amber); }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--navy) !important;
  background: var(--amber);
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: background 0.15s ease;
}

.nav-cta:hover { background: var(--white) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 32px;
    gap: 20px;
    border-bottom: 1px solid var(--line-soft);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary:hover { background: var(--amber-2); }

.btn-outline {
  border-color: var(--line-soft);
  color: var(--line);
}
.btn-outline:hover { border-color: var(--amber); color: var(--amber); }

.btn-outline-dark {
  border-color: var(--slate-2);
  color: var(--ink);
}
.btn-outline-dark:hover { border-color: var(--amber-2); color: var(--amber-2); }

/* ============ Hero ============ */
.hero {
  padding: 120px 0 100px;
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.hero .wrap { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero h1 {
  font-size: 52px;
  color: var(--white);
  margin-bottom: 22px;
}

.hero h1 em {
  font-style: normal;
  color: var(--amber);
}

.hero p.lead {
  font-size: 18px;
  color: var(--line);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-coord {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-2);
  position: absolute;
  letter-spacing: 0.05em;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
}

/* ============ Sketch SVG draw animation ============ */
.sketch-path {
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw 2.4s ease forwards 0.3s;
}
@keyframes draw {
  to { stroke-dashoffset: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .sketch-path { animation: none; stroke-dashoffset: 0; }
}

/* ============ Sections ============ */
section { padding: 90px 0; }

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: 34px;
  color: var(--ink);
}

.on-dark .section-head h2 { color: var(--white); }
.on-dark .eyebrow { color: var(--amber); }
.on-dark p { color: var(--line); }

/* ============ Cards ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--paper-2);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.card .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-2);
  margin-bottom: 16px;
  display: block;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--ink);
}

.card p { font-size: 14.5px; margin-bottom: 0; }

.card a.card-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber-2);
  border-bottom: 1px solid transparent;
}
.card a.card-link:hover { border-color: var(--amber-2); }

/* ============ Process / numbered list (real sequence) ============ */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.process-step {
  padding: 32px 28px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.process-step .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
  margin-bottom: 14px;
  display: block;
}

.process-step h4 { color: var(--white); font-size: 16px; margin-bottom: 8px; }
.process-step p { font-size: 13.5px; margin-bottom: 0; }

@media (max-width: 900px) {
  .process { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; }
}

/* ============ Stats strip ============ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--paper-2);
  border-bottom: 1px solid var(--paper-2);
  padding: 40px 0;
}

.stat { text-align: center; }
.stat .val {
  font-family: var(--font-mono);
  font-size: 30px;
  color: var(--ink);
  display: block;
}
.stat .label {
  font-size: 12.5px;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 700px) {
  .stats { grid-template-columns: 1fr 1fr; }
}

/* ============ CTA band ============ */
.cta-band {
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}
.cta-band h2 { color: var(--white); font-size: 30px; margin-bottom: 16px; }
.cta-band p { color: var(--line); max-width: 480px; margin: 0 auto 30px; }

/* ============ Forms ============ */
.form-panel {
  background: var(--white);
  border: 1px solid var(--paper-2);
  border-radius: var(--radius);
  padding: 40px;
}

.field { margin-bottom: 20px; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
  margin-bottom: 8px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--paper-2);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
  background: var(--paper);
  transition: border-color 0.15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: var(--white);
}

.field textarea { min-height: 120px; resize: vertical; }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 22px;
}

.checkbox-row input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--amber-2);
  flex-shrink: 0;
}

.checkbox-row label {
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.5;
}

.checkbox-row a { color: var(--amber-2); border-bottom: 1px solid var(--amber-2); }

.form-msg {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 16px;
  border-radius: var(--radius);
  display: none;
}
.form-msg.show { display: block; }
.form-msg.success { background: #EAF5EC; color: #1F6A32; border: 1px solid #BFE3C6; }
.form-msg.error { background: #FBEAEA; color: #A32E2E; border: 1px solid #F0C4C4; }

/* ============ Popup ============ */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 33, 56, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}
.popup-overlay.open { display: flex; }

.popup-box {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 460px;
  width: 100%;
  padding: 40px;
  position: relative;
  border-top: 3px solid var(--amber);
}

.popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--slate);
  cursor: pointer;
  line-height: 1;
}
.popup-close:hover { color: var(--ink); }

.popup-box h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.popup-box p { font-size: 14px; margin-bottom: 22px; }

/* ============ Title-block footer (signature element) ============ */
footer {
  background: var(--navy);
  color: var(--line);
  padding: 60px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line-soft);
}

.footer-top h5 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-2);
  margin: 0 0 18px;
}

.footer-top ul { list-style: none; padding: 0; margin: 0; }
.footer-top li { margin-bottom: 10px; }
.footer-top a { font-size: 14px; color: var(--line); }
.footer-top a:hover { color: var(--amber); }

.footer-brand-mark {
  font-family: var(--font-mono);
  color: var(--white);
  font-size: 16px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand-mark .mark {
  width: 20px; height: 20px;
  border: 1.5px solid var(--amber);
  position: relative;
}
.footer-brand-mark .mark::before {
  content: "";
  position: absolute; inset: 4px;
  border: 1px solid var(--amber);
  opacity: 0.6;
}

.footer-top p.desc { font-size: 13.5px; max-width: 280px; }

/* Title block strip */
.title-block {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.title-block > div {
  padding: 16px 20px;
  border-right: 1px solid var(--line-soft);
}
.title-block > div:last-child { border-right: none; }

.title-block .tb-label {
  color: var(--slate-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 6px;
  font-size: 10px;
}
.title-block .tb-value { color: var(--white); }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .title-block { grid-template-columns: 1fr 1fr; }
  .title-block > div { border-bottom: 1px solid var(--line-soft); }
}
@media (max-width: 560px) {
  .title-block { grid-template-columns: 1fr; }
}

.footer-bottom {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-2);
  padding: 20px 0;
}

/* ============ Page header (inner pages) ============ */
.page-head {
  padding: 150px 0 70px;
  color: var(--white);
}
.page-head h1 { color: var(--white); font-size: 42px; margin-bottom: 14px; }
.page-head p { color: var(--line); max-width: 560px; font-size: 16px; }

/* ============ Legal pages ============ */
.legal-body {
  max-width: 760px;
  padding: 70px 32px 100px;
  margin: 0 auto;
}
.legal-body h2 {
  font-size: 22px;
  margin: 40px 0 14px;
  color: var(--ink);
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li { color: var(--slate); font-size: 15px; }
.legal-body ul { padding-left: 22px; }
.legal-body .updated {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber-2);
  margin-bottom: 40px;
  display: block;
}

/* ============ Two column feature ============ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}

.split ul.check-list { list-style: none; padding: 0; margin: 0; }
.split ul.check-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--paper-2);
  font-size: 15px;
  color: var(--ink);
}
.split ul.check-list li::before {
  content: "✓";
  color: var(--amber-2);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* ============ Pricing / scope table ============ */
.scope-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.scope-table th, .scope-table td {
  text-align: left;
  padding: 16px;
  border-bottom: 1px solid var(--paper-2);
}
.scope-table th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate);
}