/* ============================================================
   MERIDIAN INTELLIGENCE — Global Stylesheet
   Brand: Meridian Sky Blue #53A5D2 · Periwinkle #6F79AB
   TerraCAD: Terra Brown #7B4C2E · CAD Blue #2A7FAF · Steel #1E4F6F
   MIRRORFIELD: Steel Blue #1E4F6F · Sky Blue #53A5D2 · Periwinkle #6F79AB
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800&family=Lato:ital,wght@0,300;0,400;0,700;1,300&display=swap');

:root {
  /* Meridian */
  --meridian-sky:       #53A5D2;
  --meridian-periwinkle:#6F79AB;
  --meridian-dark:      #0F1A2E;
  --meridian-mid:       #1A2C4A;

  /* TerraCAD */
  --terra-brown:        #7B4C2E;
  --cad-blue:           #2A7FAF;
  --steel-blue:         #1E4F6F;

  /* MIRRORFIELD */
  --mf-dark:            #0D1B2A;
  --mf-mid:             #1E4F6F;
  --mf-sky:             #53A5D2;
  --mf-periwinkle:      #6F79AB;

  /* Neutrals */
  --white:              #FFFFFF;
  --off-white:          #F4F7FA;
  --light-gray:         #E8EEF4;
  --mid-gray:           #8A9BB0;
  --text-dark:          #0F1A2E;
  --text-body:          #2C3E52;

  /* Typography */
  --font-head:   'Montserrat', sans-serif;
  --font-body:   'Lato', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 2px solid var(--meridian-sky);
  padding: 0 2.5rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 12px rgba(15,26,46,0.10);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img {
  height: 44px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  display: block;
}

/* ─── HAMBURGER ───────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  z-index: 200;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--meridian-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-dark);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--meridian-sky); }

.nav-cta {
  background: var(--meridian-sky);
  color: var(--white) !important;
  padding: 0.45rem 1.1rem;
  border-radius: 3px;
  transition: background 0.2s !important;
}

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

/* ─── HERO ────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--meridian-dark) 0%, var(--meridian-mid) 60%, #1A3A5C 100%);
  padding-top: 68px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(83,165,210,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(111,121,171,0.10) 0%, transparent 70%);
  pointer-events: none;
}

/* Subtle grid overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(83,165,210,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83,165,210,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2.5rem;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--meridian-sky);
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 760px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--meridian-sky), var(--meridian-periwinkle));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 2.8rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}

.btn-primary {
  display: inline-block;
  background: var(--meridian-sky);
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 3px;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--meridian-periwinkle);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  border: 1px solid rgba(83,165,210,0.5);
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: 3px;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

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

/* ─── SECTIONS ────────────────────────────────────────── */
section { padding: 5.5rem 2.5rem; }

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--meridian-sky);
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--mid-gray);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 3.5rem;
}

/* ─── PRODUCT CARDS ───────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.product-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: transform 0.3s, box-shadow 0.3s;
  background: var(--white);
  box-shadow: 0 2px 20px rgba(15,26,46,0.08);
  border: 1px solid var(--light-gray);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(15,26,46,0.14);
}

.product-card-header {
  padding: 2.5rem 2.5rem 2rem;
}

.product-card.terracad .product-card-header {
  background: linear-gradient(135deg, var(--steel-blue) 0%, var(--cad-blue) 100%);
}

.product-card.mirrorfield .product-card-header {
  background: linear-gradient(135deg, #EDF2F7 0%, #E2EBF3 100%);
  border-bottom: 2px solid var(--mf-mid);
}

.product-card-header img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.product-card-body {
  padding: 2rem 2.5rem 2.5rem;
}

.product-card-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.product-card.terracad .product-card-tag {
  background: rgba(42,127,175,0.12);
  color: var(--cad-blue);
}

.product-card.mirrorfield .product-card-tag {
  background: rgba(83,165,210,0.1);
  color: var(--mf-sky);
}

.product-card h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.product-card p {
  font-size: 0.92rem;
  color: var(--mid-gray);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.product-card-link {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.product-card.terracad .product-card-link { color: var(--cad-blue); }
.product-card.mirrorfield .product-card-link { color: var(--mf-sky); }

.product-card-link::after {
  content: '→';
  transition: transform 0.2s;
}

.product-card:hover .product-card-link::after {
  transform: translateX(4px);
}

/* ─── MISSION / QUOTE SECTION ─────────────────────────── */
.mission-section {
  background: var(--meridian-dark);
  color: var(--white);
}

.mission-section .section-eyebrow { color: var(--meridian-sky); }
.mission-section .section-title { color: var(--white); }

.mission-quote {
  border-left: 3px solid var(--meridian-sky);
  padding-left: 2rem;
  max-width: 820px;
  margin: 2.5rem 0;
}

.mission-quote blockquote {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.88);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.mission-quote cite {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--meridian-sky);
  font-style: normal;
}

/* ─── PILLARS ─────────────────────────────────────────── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.pillar {
  padding: 2rem;
  border-top: 2px solid var(--light-gray);
}

.pillar-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.pillar h4 {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.6rem;
  letter-spacing: 0.02em;
}

.pillar p {
  font-size: 0.88rem;
  color: var(--mid-gray);
  line-height: 1.7;
}

/* ─── CONTACT ─────────────────────────────────────────── */
.contact-section { background: var(--off-white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.contact-item-icon {
  width: 36px;
  height: 36px;
  background: var(--meridian-sky);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
  color: white;
}

.contact-item-text strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 0.2rem;
}

.contact-item-text span {
  font-size: 0.9rem;
  color: var(--mid-gray);
}

.contact-form { display: flex; flex-direction: column; gap: 1rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid var(--light-gray);
  border-radius: 3px;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--meridian-sky);
}

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

.form-submit {
  border: none;
  cursor: pointer;
  align-self: flex-start;
}

/* ─── FOOTER ──────────────────────────────────────────── */
footer {
  background: var(--meridian-dark);
  color: rgba(255,255,255,0.5);
  padding: 3rem 2.5rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}

.footer-brand img { height: 32px; margin-bottom: 1rem; }

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--meridian-sky);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 0.5rem; }

.footer-col ul li a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--meridian-sky); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}

/* ─── ANIMATIONS ──────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 1.5rem; height: 72px; }
  .nav-logo img { height: 36px; max-width: 180px; }

  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 1rem;
    border-bottom: 2px solid var(--meridian-sky);
    box-shadow: 0 4px 12px rgba(15,26,46,0.10);
    z-index: 150;
  }

  .nav-links.open { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.9rem 2rem;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .nav-cta {
    margin: 0.5rem 2rem 0;
    text-align: center;
    display: block;
    padding: 0.7rem 1rem !important;
  }

  section { padding: 4rem 1.5rem; }
  .hero-inner { padding: 4rem 1.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}