/* ==========================================================================
   PP GAS CENTER — Industrial Gases Website
   Shared stylesheet
   ========================================================================== */

/* Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap");

/* --------------------------------------------------------------------------
   Design tokens
   -------------------------------------------------------------------------- */
:root {
  --navy-900: #050d1f;
  --navy-800: #081527;
  --navy-700: #0a1e3c;
  --navy-600: #0f2c52;
  --blue-500: #1d4ed8;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --cyan-600: #0891b2;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --orange-500: #f97316;
  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --bg-soft: #f6f9fc;
  --bg-white: #ffffff;
  --line: #e2e8f0;
  --grad-primary: linear-gradient(120deg, #0a1e3c 0%, #0f2c52 55%, #0891b2 140%);
  --grad-accent: linear-gradient(120deg, #06b6d4 0%, #0ea5e9 100%);
  --grad-flame: linear-gradient(120deg, #f97316 0%, #fbbf24 100%);
  --shadow-sm: 0 2px 10px rgba(6, 21, 60, 0.06);
  --shadow-md: 0 12px 30px rgba(6, 21, 60, 0.10);
  --shadow-lg: 0 24px 60px rgba(6, 21, 60, 0.16);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--bg-white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Hide default Frappe chrome so the custom design owns the page */
.navbar, .web-footer, .page-breadcrumbs, .page-header-wrapper,
.web-footer, .footer-container, .navbar-expand-lg,
#page-container .page-breadcrumbs, .page-footer { display: none !important; }

.page-content-wrapper { padding: 0 !important; }
main.container.my-4 { max-width: 100% !important; padding: 0 !important; margin: 0 !important; }

img { max-width: 100%; display: block; }
a { color: var(--cyan-600); text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--ink-900);
  line-height: 1.18;
  font-weight: 600;
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

::selection { background: var(--cyan-500); color: #fff; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5, 13, 31, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(5, 13, 31, 0.94);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 52px; width: auto; flex: 0 0 auto; display: block; object-fit: contain; }
.brand-mark { width: 46px; height: 46px; flex: 0 0 46px; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 20px;
  color: #fff; letter-spacing: 0.5px; line-height: 1.05;
}
.brand-name span { color: var(--cyan-400); }
.brand-tag { font-size: 11px; letter-spacing: 2px; color: #94a3b8; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: #cbd5e1; font-weight: 500; font-size: 15px;
  padding: 9px 14px; border-radius: 9px;
  transition: color 0.2s, background 0.2s;
}
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.main-nav a.active { color: var(--cyan-300, #67e8f9); background: rgba(34, 211, 238, 0.12); }

.header-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px; width: 44px; height: 44px; cursor: pointer;
  color: #fff; font-size: 20px; line-height: 1;
}
.nav-toggle:hover { background: rgba(255,255,255,0.08); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 14px 28px; border-radius: 999px; cursor: pointer; border: 0;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-accent {
  background: var(--grad-accent); color: #fff;
  box-shadow: 0 10px 24px rgba(6, 182, 212, 0.35);
}
.btn-accent:hover { box-shadow: 0 14px 32px rgba(6, 182, 212, 0.5); transform: translateY(-2px); }
.btn-flame {
  background: var(--grad-flame); color: #1f2937;
  box-shadow: 0 10px 24px rgba(249, 115, 22, 0.35);
}
.btn-flame:hover { box-shadow: 0 14px 32px rgba(249, 115, 22, 0.5); transform: translateY(-2px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.08); color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-2px); }
.btn-lightred {
  background: #fca5a5; color: #7f1d1d;
  box-shadow: 0 10px 24px rgba(239, 68, 68, 0.25);
}
.btn-lightred:hover { background: #f87171; color: #fff; box-shadow: 0 14px 32px rgba(239, 68, 68, 0.4); transform: translateY(-2px); }
.btn-dark {
  background: var(--navy-800); color: #fff;
  box-shadow: 0 10px 24px rgba(6, 21, 60, 0.3);
}
.btn-dark:hover { background: var(--navy-700); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--grad-primary);
  padding: 128px 0 150px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  opacity: 0.35;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,13,31,0.35) 0%, rgba(5,13,31,0.55) 60%, rgba(5,13,31,0.95) 100%);
}
.hero .container { position: relative; z-index: 2; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--cyan-300, #67e8f9); font-weight: 600;
  padding: 8px 18px; border-radius: 999px;
  border: 1px solid rgba(103, 232, 249, 0.35);
  background: rgba(6, 182, 212, 0.1);
  margin-bottom: 22px;
}
.hero h1 {
  color: #fff; font-size: clamp(38px, 5.6vw, 64px); font-weight: 700;
  max-width: 820px; letter-spacing: -0.5px; margin-bottom: 20px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, #67e8f9 0%, #38bdf8 55%, #fbbf24 115%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { font-size: 18px; color: #cbd5e1; max-width: 620px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 54px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding-top: 44px; border-top: 1px solid rgba(255, 255, 255, 0.14);
  max-width: 900px;
}
.hero-stat h3 { color: #fff; font-size: 34px; font-weight: 700; }
.hero-stat h3 em { font-style: normal; color: var(--cyan-400); }
.hero-stat p { color: #94a3b8; font-size: 14px; margin-top: 2px; }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: 96px 0; position: relative; }
.section.soft { background: var(--bg-soft); }
.section.dark {
  background: var(--navy-800); color: #cbd5e1;
  position: relative; overflow: hidden;
}
.section.dark::before {
  content: ""; position: absolute; top: -180px; right: -140px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.18), transparent 70%);
}
.section.dark h2, .section.dark h3 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--cyan-600); font-weight: 700; margin-bottom: 12px;
}
.section-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad-accent); border-radius: 2px; }
.section-head.center .section-eyebrow::after { content: ""; width: 26px; height: 2px; background: var(--grad-accent); border-radius: 2px; }
.section h2 { font-size: clamp(28px, 3.6vw, 42px); letter-spacing: -0.4px; }
.section-head p { margin-top: 14px; color: var(--ink-500); font-size: 16.5px; }
.section.dark .section-head p { color: #94a3b8; }
.section.dark .section-eyebrow { color: var(--cyan-400); }

/* --------------------------------------------------------------------------
   Grid & cards
   -------------------------------------------------------------------------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.icon-tile {
  width: 58px; height: 58px; border-radius: 15px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: var(--grad-accent); color: #fff;
  box-shadow: 0 10px 22px rgba(6, 182, 212, 0.3);
}
.icon-tile.amber { background: var(--grad-flame); box-shadow: 0 10px 22px rgba(249, 115, 22, 0.3); }
.icon-tile.navy { background: var(--grad-primary); box-shadow: 0 10px 22px rgba(10, 30, 60, 0.3); }

/* ---- Feature card (why choose us) ---- */
.feature-card { padding: 32px 28px; }
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--ink-500); }

/* ---- Gas / product card ---- */
.gas-card {
  overflow: hidden; display: flex; flex-direction: column;
  border-radius: var(--radius-lg); border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow-sm);
  transition: transform 0.25s, box-shadow 0.25s;
}
.gas-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.gas-card-top {
  position: relative; height: 200px; overflow: hidden; display: grid; place-items: center;
}
.gas-card-top img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.gas-card:hover .gas-card-top img { transform: scale(1.07); }
.gas-card-top::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 30, 60, 0.05), rgba(10, 30, 60, 0.55));
}
.gas-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px; color: #fff;
  background: rgba(6, 182, 212, 0.9); backdrop-filter: blur(4px);
}
.gas-badge.warm { background: rgba(249, 115, 22, 0.92); }
.gas-badge.green { background: rgba(16, 185, 129, 0.92); }
.gas-badge.violet { background: rgba(139, 92, 246, 0.92); }
.gas-icon {
  position: relative; z-index: 2; width: 76px; height: 76px;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.35));
}
.gas-card-body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.gas-card-body h3 { font-size: 20px; margin-bottom: 10px; }
.gas-card-body p { font-size: 15px; color: var(--ink-500); flex: 1; }
.gas-meta {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 20px;
}
.gas-meta span {
  font-size: 12px; font-weight: 600; color: var(--ink-700);
  background: var(--bg-soft); border: 1px solid var(--line);
  padding: 5px 11px; border-radius: 999px;
}
.link-arrow { font-weight: 600; color: var(--cyan-600); font-size: 15px; }
.link-arrow:hover { color: var(--blue-500); }
.link-arrow .arrow { display: inline-block; transition: transform 0.2s; }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ---- Application cards ---- */
.app-card { padding: 34px 30px; position: relative; overflow: hidden; }
.app-card::after {
  content: ""; position: absolute; bottom: -46px; right: -46px;
  width: 130px; height: 130px; border-radius: 50%;
  background: rgba(6, 182, 212, 0.08);
}
.app-card h3 { font-size: 19px; margin-bottom: 8px; }
.app-card p { font-size: 14.5px; color: var(--ink-500); }

/* ---- Process steps ---- */
.step { position: relative; text-align: center; padding: 0 8px; }
.step-num {
  width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%;
  display: grid; place-items: center; position: relative;
  font-family: var(--font-display); font-weight: 700; font-size: 22px; color: #fff;
  background: var(--grad-accent); box-shadow: 0 12px 26px rgba(6, 182, 212, 0.35);
}
.step-num::after {
  content: ""; position: absolute; inset: -8px; border-radius: 50%;
  border: 2px dashed rgba(6, 182, 212, 0.4);
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-500); }

/* --------------------------------------------------------------------------
   Split / about preview
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.split-media { position: relative; }
.split-media .frame {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); position: relative;
}
.split-media .frame img { width: 100%; height: 460px; object-fit: cover; }
.split-media .frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 13, 31, 0.5));
}
.float-card {
  position: absolute; z-index: 3;
  background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px);
  border-radius: 16px; box-shadow: var(--shadow-md);
  padding: 18px 22px; display: flex; align-items: center; gap: 14px;
  bottom: -28px; right: -20px;
}
.float-card .icon-tile { margin: 0; width: 48px; height: 48px; }
.float-card strong { font-family: var(--font-display); font-size: 20px; color: var(--ink-900); display: block; }
.float-card small { color: var(--ink-500); font-size: 13px; }

.check-list li { display: flex; gap: 12px; padding: 7px 0; color: var(--ink-700); font-size: 15.5px; }
.check-list li svg { flex: 0 0 22px; margin-top: 3px; }

/* --------------------------------------------------------------------------
   CTA banner
   -------------------------------------------------------------------------- */
.cta-banner {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--grad-primary); padding: 64px;
  color: #fff; display: flex; align-items: center; justify-content: space-between;
  gap: 40px; box-shadow: var(--shadow-lg);
}
.cta-banner::before {
  content: ""; position: absolute; top: -120px; right: -80px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.25), transparent 70%);
}
.cta-banner h2 { color: #fff; font-size: clamp(26px, 3vw, 38px); margin-bottom: 12px; }
.cta-banner p { color: #cbd5e1; max-width: 560px; }
.cta-banner .btn { position: relative; z-index: 2; }

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.quote-card { padding: 34px 32px; }
.quote-card .stars { color: var(--amber-400); font-size: 18px; letter-spacing: 3px; margin-bottom: 16px; }
.quote-card blockquote { font-size: 16px; color: var(--ink-700); font-style: italic; margin-bottom: 22px; }
.quote-author { display: flex; align-items: center; gap: 12px; }
.quote-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; color: #fff;
  font-family: var(--font-display); font-size: 16px;
  background: var(--grad-primary);
}
.quote-author strong { display: block; color: var(--ink-900); font-size: 15px; }
.quote-author small { color: var(--ink-500); font-size: 13px; }

/* --------------------------------------------------------------------------
   Table (products page)
   -------------------------------------------------------------------------- */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.spec-table th, .spec-table td { text-align: left; padding: 16px 20px; font-size: 15px; border-bottom: 1px solid var(--line); }
.spec-table th { background: var(--navy-800); color: #fff; font-family: var(--font-display); font-weight: 600; font-size: 14px; letter-spacing: 0.5px; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table tr:hover td { background: var(--bg-soft); }

/* --------------------------------------------------------------------------
   Page hero (inner pages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--grad-primary); padding: 96px 0 104px;
}
.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.3; }
.page-hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,13,31,0.4), rgba(5,13,31,0.9)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(34px, 4.6vw, 54px); margin-bottom: 16px; letter-spacing: -0.5px; }
.page-hero p { color: #cbd5e1; max-width: 640px; font-size: 17px; }
.crumbs { display: flex; gap: 8px; align-items: center; font-size: 13px; color: #94a3b8; margin-bottom: 20px; }
.crumbs a { color: #94a3b8; }
.crumbs a:hover { color: var(--cyan-400); }
.crumbs .sep { color: #64748b; }

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-info-item {
  display: flex; gap: 18px; padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}
.contact-info-item:last-child { border-bottom: 0; }
.contact-info-item .icon-tile { margin: 0; width: 48px; height: 48px; flex: 0 0 48px; }
.contact-info-item h4 { font-size: 16px; margin-bottom: 3px; }
.contact-info-item p, .contact-info-item a { font-size: 15px; color: var(--ink-500); }
.contact-info-item a:hover { color: var(--cyan-600); }

.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; color: var(--ink-900); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 13px 16px; font-size: 15px; font-family: var(--font-body);
  color: var(--ink-900); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 11px; outline: none;
  transition: border 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--cyan-500); box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.14); background: #fff;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-note {
  display: none; margin-top: 16px; padding: 14px 18px; border-radius: 11px;
  font-size: 14.5px; font-weight: 500;
}
.form-note.ok { display: block; background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.form-note.err { display: block; background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

.hours-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 26px; margin-top: 14px; }
.hours-grid div { display: flex; justify-content: space-between; font-size: 14.5px; border-bottom: 1px dashed var(--line); padding: 7px 0; color: var(--ink-500); }
.hours-grid strong { color: var(--ink-900); font-weight: 600; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--navy-900); color: #94a3b8; padding: 72px 0 0;
  position: relative; overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; top: -160px; left: -120px; width: 420px; height: 420px;
  border-radius: 50%; background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; position: relative; z-index: 2; }
.footer-brand p { font-size: 14.5px; margin: 16px 0 22px; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase; font-size: 13px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col a { color: #94a3b8; font-size: 14.5px; transition: color 0.2s; }
.footer-col a:hover { color: var(--cyan-400); }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14.5px; align-items: flex-start; }
.footer-contact svg { flex: 0 0 20px; margin-top: 2px; color: var(--cyan-500); }
.social-row { display: flex; gap: 12px; }
.social-row a {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.06); color: #cbd5e1; transition: background 0.2s, transform 0.2s;
}
.social-row a:hover { background: var(--grad-accent); color: #fff; transform: translateY(-3px); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13.5px; position: relative; z-index: 2;
}
.footer-bottom a { color: var(--cyan-400); }

/* --------------------------------------------------------------------------
   Scroll reveal
   -------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* --------------------------------------------------------------------------
   Tabs (applications detail)
   -------------------------------------------------------------------------- */
.tabs-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.tab-btn {
  font-family: var(--font-display); font-weight: 600; font-size: 14.5px;
  color: var(--ink-700); background: #fff; border: 1px solid var(--line);
  padding: 12px 22px; border-radius: 999px; cursor: pointer;
  transition: all 0.2s;
}
.tab-btn:hover { border-color: var(--cyan-500); color: var(--cyan-600); }
.tab-btn.active {
  background: var(--navy-800); border-color: var(--navy-800); color: #fff;
  box-shadow: 0 10px 24px rgba(10, 30, 60, 0.25);
}
.tab-panels .tab { display: none; }
.tab-panels .tab.active { display: block; animation: fadeUp 0.5s ease; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(16px);} to { opacity: 1; transform: none; } }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; padding: 48px 32px; }
  .cta-banner p { margin: 0 auto; }
}

@media (max-width: 768px) {
  .hero { padding: 92px 0 110px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .section { padding: 72px 0; }
  .main-nav {
    position: fixed; inset: 0; flex-direction: column; justify-content: center;
    background: rgba(5, 13, 31, 0.98); z-index: 99; gap: 8px;
    opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
  }
  .main-nav.open { opacity: 1; pointer-events: auto; }
  .main-nav a { font-size: 20px; padding: 12px 20px; }
  .nav-toggle { display: grid; place-items: center; }
  .header-cta .btn { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .float-card { right: 10px; bottom: -24px; }
  .spec-table th, .spec-table td { padding: 12px 14px; font-size: 13.5px; }
}