/* ============================================================
   172 TECH — Global Design System
   Fonts: Neue Montreal (body) + Gilroy (headings)
   Palette: Dark (#0a0a0a) + Green (#3DBFA7) + White
   ============================================================ */

@font-face {
  font-family: 'Neue Montreal';
  src: url('../fonts/NeueMontreal-Regular.woff2') format('woff2'),
       url('../fonts/NeueMontreal-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Neue Montreal';
  src: url('../fonts/NeueMontreal-Medium.woff2') format('woff2'),
       url('../fonts/NeueMontreal-Medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Neue Montreal';
  src: url('../fonts/NeueMontreal-Italic.woff2') format('woff2'),
       url('../fonts/NeueMontreal-Italic.woff') format('woff');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Gilroy';
  src: url('../fonts/Gilroy-Bold.woff2') format('woff2'),
       url('../fonts/Gilroy-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Gilroy';
  src: url('../fonts/Gilroy-Regular.woff2') format('woff2'),
       url('../fonts/Gilroy-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --green: #3DBFA7;
  --green-dark: #2ea08c;
  --green-light: #5dd4bc;
  --dark: #0a0a0a;
  --dark-card: #111111;
  --dark-border: #1e1e1e;
  --white: #ffffff;
  --gray: #888888;
  --gray-light: #b0b0b0;
  --font-body: 'Neue Montreal', 'Arial', sans-serif;
  --font-heading: 'Gilroy', 'Arial', sans-serif;
  --max-width: 1320px;
  --header-h: 80px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--gray-light);
  background: var(--dark);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; transition: color .3s; }
a:hover { color: var(--green-light); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (min-width:1400px) { .container { padding: 0 40px; } }

/* ---------- HEADER ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dark-border);
  height: var(--header-h);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.header-logo img { height: 38px; width: auto; }
.header-nav { display: flex; gap: 8px; align-items: center; }
.header-nav a {
  font-family: var(--font-body);
  font-size: 14px; font-weight: 500; letter-spacing: .3px;
  color: var(--gray-light); padding: 8px 14px; border-radius: 6px;
  transition: all .3s;
}
.header-nav a:hover, .header-nav a.active { color: var(--white); background: rgba(61,191,167,.1); }
.header-nav .dropdown { position: relative; }
.header-nav .dropdown-toggle::after {
  content: ''; display: inline-block; width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 4px solid currentColor; margin-left: 6px; vertical-align: middle;
}
.dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 280px;
  background: var(--dark-card); border: 1px solid var(--dark-border);
  border-radius: 10px; padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all .25s; z-index: 100;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: block; padding: 10px 14px; border-radius: 6px; font-size: 13px;
  color: var(--gray-light);
}
.dropdown-menu a:hover { background: rgba(61,191,167,.08); color: var(--white); }
.dropdown-menu a small { display: block; font-size: 11px; color: var(--gray); margin-top: 2px; }

.menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative; z-index: 1001;
}
.menu-toggle span {
  display: block; width: 100%; height: 2px; background: var(--white);
  position: absolute; left: 0; transition: all .3s;
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 11px; }
.menu-toggle span:nth-child(3) { top: 22px; }
.menu-toggle.open span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

.mobile-nav {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--dark); z-index: 999; padding: 32px 24px;
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block; padding: 14px 0; font-size: 18px; color: var(--gray-light);
  border-bottom: 1px solid var(--dark-border);
}
.mobile-nav .mob-sub { padding-left: 20px; }
.mobile-nav .mob-sub a { font-size: 15px; }

@media (max-width: 1024px) {
  .header-nav { display: none; }
  .menu-toggle { display: block; }
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -30%; right: -20%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(61,191,167,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { max-width: 780px; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(61,191,167,.1); border: 1px solid rgba(61,191,167,.2);
  border-radius: 100px; padding: 6px 16px 6px 8px; font-size: 13px;
  color: var(--green); margin-bottom: 32px; font-weight: 500;
}
.hero-badge .dot {
  width: 8px; height: 8px; background: var(--green); border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; } 50% { opacity: .4; }
}
.hero h1 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(40px, 6vw, 72px); line-height: 1.08;
  color: var(--white); margin-bottom: 24px;
  letter-spacing: -1.5px;
}
.hero h1 .accent { color: var(--green); }
.hero p.lead {
  font-size: 19px; line-height: 1.7; color: var(--gray-light);
  max-width: 600px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-size: 15px; font-weight: 500;
  padding: 14px 32px; border-radius: 8px; border: none;
  cursor: pointer; transition: all .3s; text-decoration: none;
}
.btn-primary {
  background: var(--green); color: var(--dark);
}
.btn-primary:hover { background: var(--green-light); color: var(--dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
}
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-arrow::after { content: '→'; margin-left: 4px; transition: transform .3s; }
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- SECTIONS ---------- */
section { padding: 100px 0; }
@media (max-width: 768px) { section { padding: 64px 0; } }

.section-label {
  font-size: 13px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase; color: var(--green); margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(32px, 4vw, 52px); line-height: 1.12;
  color: var(--white); margin-bottom: 20px;
  letter-spacing: -.5px;
}
.section-subtitle {
  font-size: 18px; line-height: 1.7; color: var(--gray-light);
  max-width: 640px; margin-bottom: 48px;
}

/* ---------- GRID ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- SERVICE CARDS ---------- */
.service-card {
  background: var(--dark-card); border: 1px solid var(--dark-border);
  border-radius: 14px; padding: 36px 28px;
  transition: all .35s; position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--green); transform: scaleX(0); transition: transform .35s;
  transform-origin: left;
}
.service-card:hover { border-color: rgba(61,191,167,.3); transform: translateY(-4px); }
.service-card:hover::before { transform: scaleX(1); }
.service-card .card-icon {
  width: 52px; height: 52px; background: rgba(61,191,167,.1);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 24px; color: var(--green);
}
.service-card h3 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 20px; color: var(--white); margin-bottom: 12px;
  line-height: 1.3;
}
.service-card p { font-size: 15px; line-height: 1.65; color: var(--gray); }
.service-card .card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px; font-size: 14px; font-weight: 500;
  color: var(--green);
}
.service-card .card-link:hover { gap: 10px; }

/* ---------- FEATURE BLOCK (alternating) ---------- */
.feature-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: center; padding: 80px 0;
  border-top: 1px solid var(--dark-border);
}
.feature-block:first-child { border-top: none; }
.feature-block.reverse .feature-media { order: -1; }
.feature-media { border-radius: 16px; overflow: hidden; }
.feature-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.feature-text .section-label { margin-bottom: 12px; }
.feature-text h2 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(28px, 3vw, 40px); color: var(--white);
  margin-bottom: 20px; line-height: 1.15;
}
.feature-text p { margin-bottom: 16px; }
.feature-text ul {
  list-style: none; margin: 24px 0;
}
.feature-text ul li {
  padding: 8px 0 8px 24px; position: relative;
  font-size: 15px; color: var(--gray-light);
}
.feature-text ul li::before {
  content: ''; position: absolute; left: 0; top: 16px;
  width: 8px; height: 8px; background: var(--green);
  border-radius: 2px;
}
@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; gap: 32px; }
  .feature-block.reverse .feature-media { order: 0; }
}

/* ---------- STATS ---------- */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 64px 0;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(36px, 5vw, 56px); color: var(--green);
  line-height: 1;
}
.stat-label { font-size: 14px; color: var(--gray); margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }
@media (max-width: 768px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

/* ---------- CTA BAND ---------- */
.cta-band {
  background: linear-gradient(135deg, rgba(61,191,167,.08) 0%, transparent 60%);
  border: 1px solid rgba(61,191,167,.15);
  border-radius: 20px; padding: 64px; text-align: center;
  margin: 40px 0;
}
.cta-band h2 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(28px, 3.5vw, 44px); color: var(--white);
  margin-bottom: 16px;
}
.cta-band p { font-size: 18px; color: var(--gray-light); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- TECH TAGS ---------- */
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tech-tag {
  font-size: 12px; font-weight: 500; padding: 5px 12px;
  background: rgba(61,191,167,.08); border: 1px solid rgba(61,191,167,.15);
  border-radius: 100px; color: var(--green);
}

/* ---------- ACCORDION (FAQ) ---------- */
.faq-item {
  border-bottom: 1px solid var(--dark-border);
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0; cursor: pointer; font-size: 17px; font-weight: 500;
  color: var(--white); transition: color .3s;
  background: none; border: none; width: 100%; text-align: left;
  font-family: var(--font-body);
}
.faq-q:hover { color: var(--green); }
.faq-q .plus { font-size: 24px; color: var(--green); transition: transform .3s; flex-shrink: 0; }
.faq-q.open .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .4s ease;
  font-size: 15px; line-height: 1.7; color: var(--gray-light);
}
.faq-a.open { max-height: 500px; }
.faq-a-inner { padding: 0 0 24px; }

/* ---------- CLIENTS / TRUST ---------- */
.trust-logos {
  display: flex; align-items: center; justify-content: center;
  gap: 48px; flex-wrap: wrap; padding: 40px 0;
  opacity: .5;
}
.trust-logos img { height: 28px; filter: grayscale(1) brightness(2); }

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  padding: 12px 0; font-size: 13px; color: var(--gray);
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span { margin: 0 8px; }

/* ---------- SERVICE PAGE HERO ---------- */
.page-hero {
  padding: calc(var(--header-h) + 60px) 0 60px;
  border-bottom: 1px solid var(--dark-border);
}
.page-hero h1 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(36px, 5vw, 60px); color: var(--white);
  line-height: 1.1; margin-bottom: 20px;
}
.page-hero .lead {
  font-size: 19px; line-height: 1.7; color: var(--gray-light);
  max-width: 700px; margin-bottom: 32px;
}

/* ---------- TABLE ---------- */
.data-table {
  width: 100%; border-collapse: collapse; margin: 32px 0;
}
.data-table th, .data-table td {
  padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--dark-border);
  font-size: 15px;
}
.data-table th {
  font-family: var(--font-heading); font-weight: 700;
  color: var(--green); font-size: 13px; text-transform: uppercase;
  letter-spacing: 1px;
}
.data-table td { color: var(--gray-light); }
.data-table tr:hover td { color: var(--white); }

/* ---------- PROCESS STEPS ---------- */
.process-steps { counter-reset: step; }
.process-step {
  display: grid; grid-template-columns: 80px 1fr; gap: 24px;
  padding: 32px 0; border-bottom: 1px solid var(--dark-border);
  counter-increment: step;
}
.process-step .step-num {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 48px; color: rgba(61,191,167,.2); line-height: 1;
}
.process-step .step-num::before { content: counter(step, decimal-leading-zero); }
.process-step h3 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 20px; color: var(--white); margin-bottom: 8px;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--dark-card); border-top: 1px solid var(--dark-border);
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 64px;
}
.footer-brand p { font-size: 14px; color: var(--gray); margin-top: 16px; max-width: 320px; }
.footer-brand img { height: 36px; margin-bottom: 12px; }
.footer-col h4 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 14px; color: var(--white); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 20px;
}
.footer-col a {
  display: block; font-size: 14px; color: var(--gray); padding: 5px 0;
}
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid var(--dark-border); padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--gray);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- ANIMATIONS ---------- */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---------- MISC ---------- */
.text-green { color: var(--green); }
.text-white { color: var(--white); }
.mb-0 { margin-bottom: 0; }
.mt-40 { margin-top: 40px; }
.bg-dark-card { background: var(--dark-card); }

/* ---------- CONTACT FORM ---------- */
.contact-form { max-width: 600px; }
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--gray-light); margin-bottom: 8px; text-transform: uppercase;
  letter-spacing: .5px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 16px; font-size: 15px;
  font-family: var(--font-body); color: var(--white);
  background: rgba(255,255,255,.04); border: 1px solid var(--dark-border);
  border-radius: 8px; outline: none; transition: border-color .3s;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--green);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* ---------- INDUSTRY TAGS ---------- */
.industry-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.industry-tag {
  background: var(--dark-card); border: 1px solid var(--dark-border);
  border-radius: 10px; padding: 16px 20px; font-size: 14px;
  color: var(--gray-light); font-weight: 500; text-align: center;
  transition: all .3s;
}
.industry-tag:hover { border-color: var(--green); color: var(--white); }

/* ---------- CERTIFICATIONS ---------- */
.cert-badges { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.cert-badge {
  background: rgba(61,191,167,.06); border: 1px solid rgba(61,191,167,.15);
  border-radius: 8px; padding: 10px 18px; font-size: 13px;
  color: var(--green); font-weight: 500;
}

/* ---------- COMPARISON TABLE ---------- */
.comparison-table { overflow-x: auto; }
.comparison-table table { min-width: 700px; }

/* Skip link for accessibility */
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--green); color: var(--dark); padding: 8px 16px;
  z-index: 9999; border-radius: 4px; font-size: 14px;
}
.skip-link:focus { top: 16px; }

/* Print styles */
@media print {
  .site-header, .site-footer, .cta-band { display: none; }
  body { color: #000; background: #fff; }
  .section-title, h1, h2, h3 { color: #000; }
}

/* Fix: Contact/Quote button contrast in nav */
.header-nav .btn-primary {
  color: var(--dark) !important;
  background: var(--green);
  font-weight: 600;
}
.header-nav .btn-primary:hover {
  background: var(--green-light);
  color: var(--dark) !important;
}

/* 5-column footer grid */
.footer-grid {
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}