/* ============================================
   Echovue Tech SOLUTIONS — Main Stylesheet
   Aesthetic: Industrial Pacific Northwest
   Dark slate + electric blue + warm amber
   ============================================ */

:root {
  --slate-950: #0a0f14;
  --slate-900: #0f1923;
  --slate-800: #162030;
  --slate-700: #1e2d40;
  --slate-600: #2c3f57;
  --slate-400: #7a95b0;
  --slate-300: #a8bdd1;
  --slate-100: #dce8f0;
  --white: #f4f9fc;

  --blue-500: #2563eb;
  --blue-400: #60a5fa;
  --blue-300: #93c5fd;
  --blue-glow: rgba(37, 99, 235, 0.15);

  --amber-500: #f59e0b;
  --amber-400: #fbbf24;

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --max-w: 1200px;
  --radius: 4px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--slate-950);
  color: var(--slate-100);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 300;
  overflow-x: hidden;
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
}
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue-400); }

p { color: var(--slate-300); }
a { color: var(--blue-400); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-300); }

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-400);
  border: 1px solid var(--blue-500);
  padding: 0.3em 0.9em;
  border-radius: 2px;
  margin-bottom: 1.2rem;
}

/* ---- LAYOUT ---- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
section { padding: 6rem 0; }

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-700);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.logo-img {
  height: 60px;
  width: auto;
  display: block;
}
.footer-logo-img {
  height: 56px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate-300);
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav .nav-cta {
  background: var(--blue-500);
  color: var(--slate-950);
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius);
  font-weight: 700;
}
.main-nav .nav-cta:hover { background: var(--blue-400); color: var(--slate-950); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--slate-300);
  transition: var(--transition);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--blue-500);
  color: var(--slate-950);
}
.btn-primary:hover {
  background: var(--blue-400);
  color: var(--slate-950);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--slate-600);
}
.btn-outline:hover {
  border-color: var(--blue-500);
  color: var(--blue-400);
  transform: translateY(-2px);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 6rem 0;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 40%, rgba(37,99,235,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(245,158,11,0.05) 0%, transparent 50%),
    linear-gradient(180deg, var(--slate-950) 0%, var(--slate-900) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 80% 50%, black 0%, transparent 70%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  max-width: 800px;
}
.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--amber-400);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 em {
  font-style: normal;
  color: var(--blue-400);
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--slate-300);
  max-width: 580px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  position: absolute;
  bottom: 3rem;
  right: 2rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.stat-item {
  text-align: right;
  border-right: 2px solid var(--blue-500);
  padding-right: 1.2rem;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--slate-400);
  letter-spacing: 0.06em;
}

/* ---- SERVICES GRID ---- */
.services-section { background: var(--slate-900); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header p { max-width: 560px; margin: 1rem auto 0; font-size: 1.1rem; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5px;
  background: var(--slate-700);
  border: 1.5px solid var(--slate-700);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.service-card {
  background: var(--slate-800);
  padding: 2.5rem;
  transition: background var(--transition);
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--blue-500);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.service-card:hover { background: var(--slate-700); }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  display: block;
}
.service-card h3 { margin-bottom: 0.8rem; font-size: 1.25rem; }
.service-card p { font-size: 0.95rem; color: var(--slate-400); }

/* ---- WHY US ---- */
.why-section { background: var(--slate-950); }
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.why-content h2 { margin-bottom: 1.5rem; }
.why-content p { margin-bottom: 2rem; }
.why-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.why-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--slate-300);
}
.why-list li::before {
  content: '✓';
  color: var(--blue-400);
  font-weight: 700;
  font-family: var(--font-display);
  flex-shrink: 0;
  margin-top: 0.1em;
}
.why-visual {
  background: var(--slate-800);
  border: 1px solid var(--slate-600);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}
.why-visual::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--blue-500) 0%, transparent 50%);
  z-index: -1;
  opacity: 0.3;
}
.process-step {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--slate-700);
}
.process-step:last-child { border-bottom: none; }
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--blue-glow);
  border: 1px solid var(--blue-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-400);
  flex-shrink: 0;
}
.step-info h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 0.25rem; text-transform: none; letter-spacing: 0; }
.step-info p { font-size: 0.85rem; color: var(--slate-400); }

/* ---- CTA BAND ---- */
.cta-section {
  background: linear-gradient(135deg, var(--slate-800) 0%, var(--slate-900) 100%);
  border-top: 1px solid var(--slate-700);
  border-bottom: 1px solid var(--slate-700);
  text-align: center;
  padding: 5rem 0;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { font-size: 1.1rem; margin-bottom: 2.5rem; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  background: linear-gradient(180deg, var(--slate-900) 0%, var(--slate-950) 100%);
  border-bottom: 1px solid var(--slate-700);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { font-size: 1.15rem; max-width: 600px; }

/* ---- SERVICES PAGE ---- */
.services-detail { background: var(--slate-950); }
.service-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding: 4rem 0;
  border-bottom: 1px solid var(--slate-800);
  align-items: start;
}
.service-block:last-child { border-bottom: none; }
.service-block-icon { font-size: 3.5rem; }
.service-block h2 { font-size: 2rem; margin: 0.5rem 0 1rem; }
.service-block p { margin-bottom: 1.5rem; }
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem 2rem; }
.feature-list li {
  font-size: 0.9rem;
  color: var(--slate-300);
  display: flex;
  gap: 0.5rem;
}
.feature-list li::before { content: '▸'; color: var(--blue-500); flex-shrink: 0; }

/* ---- ABOUT PAGE ---- */
.about-intro {
  background: var(--slate-950);
  padding: 5rem 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-text h2 { margin-bottom: 1.5rem; }
.about-text p { margin-bottom: 1.2rem; }
.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}
.value-card {
  background: var(--slate-800);
  border: 1px solid var(--slate-700);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
}
.value-card .icon { font-size: 1.8rem; margin-bottom: 1rem; display: block; }
.value-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.value-card p { font-size: 0.9rem; color: var(--slate-400); }
.team-card {
  background: var(--slate-800);
  border: 1px solid var(--slate-600);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}
.team-avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--slate-600));
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}
.team-card h3 { margin-bottom: 0.3rem; }
.team-card .title { color: var(--blue-400); font-size: 0.9rem; margin-bottom: 1rem; }

/* ---- CONTACT PAGE ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  padding: 5rem 0;
}
.contact-info h2 { margin-bottom: 1.5rem; }
.contact-info p { margin-bottom: 2rem; }
.contact-detail {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}
.contact-detail .icon {
  font-size: 1.3rem;
  margin-top: 0.1em;
  flex-shrink: 0;
}
.contact-detail strong { display: block; color: var(--white); margin-bottom: 0.2rem; }
.contact-detail p { margin: 0; font-size: 0.95rem; }
.service-area {
  background: var(--slate-800);
  border: 1px solid var(--slate-600);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  margin-top: 2rem;
}
.service-area h4 { margin-bottom: 1rem; }
.area-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.area-tag {
  background: var(--slate-700);
  color: var(--slate-200);
  font-size: 0.82rem;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
}

/* ---- CONTACT FORM ---- */
.contact-form-wrap {
  background: var(--slate-800);
  border: 1px solid var(--slate-600);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.contact-form-wrap h3 { margin-bottom: 2rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--slate-300);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--slate-900);
  border: 1px solid var(--slate-600);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.form-group select option { background: var(--slate-900); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-success {
  background: rgba(37,99,235,0.1);
  border: 1px solid var(--blue-500);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  color: var(--blue-300);
  margin-bottom: 1.5rem;
  display: none;
}
.form-error {
  color: #f87171;
  font-size: 0.82rem;
  margin-top: 0.3rem;
  display: none;
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--slate-900);
  border-top: 1px solid var(--slate-700);
  padding-top: 4rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 3rem;
}
.footer-brand p { margin-top: 1rem; font-size: 0.9rem; color: var(--slate-400); }
.footer-links h4, .footer-contact h4 {
  color: var(--blue-400);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.9rem; color: var(--slate-400); }
.footer-links a:hover { color: var(--white); }
.footer-contact p { font-size: 0.9rem; color: var(--slate-400); margin-bottom: 0.6rem; }
.footer-contact a { color: var(--slate-400); }
.footer-contact a:hover { color: var(--blue-400); }
.footer-bottom {
  border-top: 1px solid var(--slate-700);
  padding: 1.5rem 2rem;
  text-align: center;
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-bottom p { font-size: 0.85rem; color: var(--slate-600); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .why-inner, .about-grid, .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .hero-stats { position: static; flex-direction: row; margin-top: 3rem; }
  .stat-item { text-align: left; border-right: none; border-left: 2px solid var(--blue-500); padding-right: 0; padding-left: 1rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .service-block { grid-template-columns: 1fr; gap: 1.5rem; }
}
@media (max-width: 640px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--slate-900);
    border-bottom: 1px solid var(--slate-700);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0.5rem;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.7rem 1rem; }
  .nav-toggle { display: flex; }
  .site-header { position: relative; }
  .values-grid, .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; }
  .hero-actions { flex-direction: column; }
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease forwards; }
.fade-up-2 { animation: fadeUp 0.6s 0.15s ease both; }
.fade-up-3 { animation: fadeUp 0.6s 0.3s ease both; }
.fade-up-4 { animation: fadeUp 0.6s 0.45s ease both; }