/* ==========================================================================
   BN INFOTEC — bninfotech.com
   Design system v3 · light-first, dual-theme · Space Grotesk / Inter
   Hosted and powered by Intsinzi.ai
   ========================================================================== */

:root {
  color-scheme: light;

  /* Surfaces */
  --bg: #f6f8fc;
  --bg-raise: #edf1f8;
  --bg-panel: #ffffff;
  --card-bg: #ffffff;
  --card-shadow: 0 8px 26px rgba(13, 40, 80, 0.06);
  --card-shadow-hover: 0 20px 48px rgba(13, 40, 80, 0.12);
  --header-bg: rgba(250, 252, 255, 0.82);
  --menu-bg: rgba(255, 255, 255, 0.96);
  --mobilenav-bg: rgba(248, 250, 254, 0.98);
  --field-bg: #f2f5fa;

  /* Ink */
  --ink: #0b1a2e;
  --ink-mute: #3e5269;
  --ink-faint: #5c7089;
  --line: rgba(13, 40, 80, 0.13);
  --line-strong: rgba(13, 40, 80, 0.25);

  /* Accents — text-safe (AA on light surfaces) */
  --accent: #1355d8;
  --accent-2: #0b7285;
  /* Accents — decorative gradient */
  --g-blue: #3b78f6;
  --g-cyan: #26c6da;
  --grad: linear-gradient(95deg, var(--g-blue), var(--g-cyan));
  --grad-soft: linear-gradient(95deg, rgba(59, 120, 246, 0.1), rgba(38, 198, 218, 0.1));
  --on-grad: #04101c;
  --glow-a: rgba(59, 120, 246, 0.16);
  --glow-b: rgba(38, 198, 218, 0.1);

  /* Type */
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.11rem);
  --step-1: clamp(1.22rem, 1.15rem + 0.35vw, 1.42rem);
  --step-2: clamp(1.55rem, 1.4rem + 0.75vw, 2rem);
  --step-3: clamp(1.95rem, 1.7rem + 1.3vw, 2.75rem);
  --step-4: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --step-5: clamp(3rem, 2.2rem + 4.2vw, 5.6rem);

  /* Rhythm */
  --space-section: clamp(90px, 12vw, 160px);
  --radius: 20px;
  --radius-sm: 12px;
  --max-w: 1200px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #05080f;
  --bg-raise: #0a111e;
  --bg-panel: #0d1526;
  --card-bg: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  --card-shadow: none;
  --card-shadow-hover: 0 30px 70px rgba(0, 0, 0, 0.45);
  --header-bg: rgba(5, 8, 15, 0.72);
  --menu-bg: rgba(13, 21, 38, 0.94);
  --mobilenav-bg: rgba(4, 7, 13, 0.97);
  --field-bg: rgba(255, 255, 255, 0.035);

  --ink: #eaf1fa;
  --ink-mute: #9fb1c9;
  --ink-faint: #8195ae;
  --line: rgba(160, 190, 235, 0.13);
  --line-strong: rgba(160, 190, 235, 0.24);

  --accent: #7aa7ff;
  --accent-2: #3fd6e8;
  --g-blue: #4f8bff;
  --g-cyan: #2fd4e6;
  --grad: linear-gradient(95deg, var(--g-blue), var(--g-cyan));
  --grad-soft: linear-gradient(95deg, rgba(79, 139, 255, 0.14), rgba(47, 212, 230, 0.14));
  --glow-a: rgba(79, 139, 255, 0.2);
  --glow-b: rgba(47, 212, 230, 0.12);
}

/* ------- Reset ------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--ink-mute);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.35s, color 0.35s;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
.prose a, .faq-body a, .legal a, .form-note a { text-decoration: underline; text-underline-offset: 3px; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
::selection { background: rgba(59, 120, 246, 0.3); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
}

/* ------- A11y ------- */
.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 1000;
  background: var(--accent); color: #fff;
  padding: 12px 22px;
  border-radius: 0 0 12px 12px;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
[data-theme="dark"] :focus-visible { outline-color: var(--accent-2); }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.container { max-width: var(--max-w); margin-inline: auto; padding-inline: clamp(20px, 4vw, 40px); }

/* ------- Buttons ------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: var(--step--1);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  will-change: transform;
  min-height: 44px;
}
.btn .arr { transition: transform 0.3s var(--ease-out); }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary {
  background: var(--grad);
  color: var(--on-grad);
  font-weight: 700;
  box-shadow: 0 8px 28px rgba(38, 170, 218, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 14px 40px rgba(38, 170, 218, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.btn-outline {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--bg-panel);
}
.btn-outline:hover { border-color: var(--accent-2); background: rgba(38, 198, 218, 0.08); transform: translateY(-2px); }
[data-theme="dark"] .btn-outline { background: rgba(255, 255, 255, 0.03); }

.link-arrow { font-weight: 600; font-size: var(--step--1); display: inline-flex; align-items: center; gap: 7px; }
.link-arrow::after { content: "→"; transition: transform 0.3s var(--ease-out); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ------- Header ------- */
.site-header {
  position: fixed;
  inset-inline: 0; top: 0;
  z-index: 200;
  transition: background 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 80px; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -0.02em; }
.brand .logo-mark { width: 42px; height: 42px; flex: none; filter: drop-shadow(0 4px 14px rgba(59, 120, 246, 0.45)); transition: transform 0.4s var(--ease-out); }
.brand:hover .logo-mark { transform: rotate(-6deg) scale(1.06); }
.brand small { display: block; font-family: var(--font-body); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.3em; color: var(--ink-faint); text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > a, .dropdown > button {
  color: var(--ink-mute);
  font-size: 0.93rem;
  font-weight: 500;
  padding: 10px 15px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s, background 0.2s;
}
.main-nav > a:hover, .dropdown > button:hover { color: var(--ink); background: rgba(13, 40, 80, 0.06); }
[data-theme="dark"] .main-nav > a:hover, [data-theme="dark"] .dropdown > button:hover { background: rgba(255, 255, 255, 0.06); }
.main-nav > a.active { color: var(--ink); background: rgba(59, 120, 246, 0.14); }
.main-nav > a[aria-current="page"] { color: var(--ink); }

.dropdown { position: relative; }
.dropdown .caret { font-size: 0.55rem; transform: translateY(1px); transition: transform 0.25s; }
.dropdown.open .caret { transform: rotate(180deg); }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px); left: 0;
  min-width: 240px;
  background: var(--menu-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 8px;
  box-shadow: 0 24px 60px rgba(13, 40, 80, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s var(--ease-out), visibility 0.25s;
}
[data-theme="dark"] .dropdown-menu { box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5); }
.dropdown.open .dropdown-menu, .dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: none;
}
.dropdown-menu a { display: block; padding: 11px 16px; border-radius: 10px; color: var(--ink-mute); font-size: 0.92rem; font-weight: 500; }
.dropdown-menu a:hover, .dropdown-menu a:focus-visible { background: rgba(59, 120, 246, 0.12); color: var(--ink); }

.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-cta .btn { padding: 11px 22px; }

/* Theme toggle */
.theme-toggle {
  width: 44px; height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--ink-mute);
  background: var(--bg-panel);
  transition: color 0.2s, border-color 0.2s, transform 0.3s var(--ease-out);
}
.theme-toggle:hover { color: var(--ink); border-color: var(--accent-2); transform: rotate(15deg); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .i-moon { display: block; }
.theme-toggle .i-sun { display: none; }
[data-theme="dark"] .theme-toggle .i-moon { display: none; }
[data-theme="dark"] .theme-toggle .i-sun { display: block; }
[data-theme="dark"] .theme-toggle { background: rgba(255, 255, 255, 0.04); }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; position: relative; z-index: 300; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px auto; border-radius: 2px; transition: transform 0.3s var(--ease-out), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------- Hero (home) ------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
#pulse-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}
.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(1200px 600px at 50% 120%, transparent 0%, var(--bg) 100%);
  opacity: 0.55;
  pointer-events: none;
}
.hero-inner { width: 100%; padding-top: 140px; padding-bottom: 40px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(11, 114, 133, 0.35);
  background: rgba(38, 198, 218, 0.08);
  padding: 9px 20px; border-radius: 999px;
  margin-bottom: 34px;
  backdrop-filter: blur(6px);
}
[data-theme="dark"] .hero-eyebrow { border-color: rgba(47, 212, 230, 0.3); background: rgba(47, 212, 230, 0.07); }
.hero-eyebrow .live { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); animation: blink 2.4s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.hero h1 {
  font-size: var(--step-5);
  font-weight: 700;
  max-width: 13ch;
  margin-bottom: 30px;
}
.hero h1 .grad {
  background: linear-gradient(95deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
[data-theme="dark"] .hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.hero h1 .w { display: inline-block; overflow: hidden; vertical-align: bottom; }
.hero h1 .w > span { display: inline-block; transform: translateY(110%); animation: word-up 0.9s var(--ease-out) forwards; }
@keyframes word-up { to { transform: none; } }

.hero-sub { font-size: var(--step-1); color: var(--ink-mute); max-width: 56ch; margin-bottom: 44px; line-height: 1.6; }
.hero-sub strong { color: var(--ink); font-weight: 600; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-pause {
  position: absolute;
  bottom: 128px; left: clamp(20px, 4vw, 40px);
  z-index: 5;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 600;
  color: var(--ink-mute);
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  padding: 9px 18px;
  border-radius: 999px;
  min-height: 40px;
  transition: color 0.2s, border-color 0.2s;
}
.hero-pause:hover { color: var(--ink); border-color: var(--accent-2); }
[data-theme="dark"] .hero-pause { background: rgba(5, 8, 15, 0.55); backdrop-filter: blur(8px); }
.hero-pause .ic { font-size: 0.7rem; }

.hero-stats {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  backdrop-filter: blur(10px);
}
.hero-stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-block: 26px;
}
.hstat .num { font-family: var(--font-display); font-size: var(--step-2); font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }
.hstat .num em { font-style: normal; background: linear-gradient(95deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
[data-theme="dark"] .hstat .num em { background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.hstat .lbl { font-size: 0.82rem; color: var(--ink-faint); letter-spacing: 0.04em; margin-top: 2px; }

.scroll-hint {
  position: absolute;
  bottom: 130px; right: clamp(20px, 5vw, 60px);
  width: 1px; height: 64px;
  background: linear-gradient(var(--accent-2), transparent);
  animation: hint 2.2s var(--ease-out) infinite;
}
@keyframes hint { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ------- Marquee ------- */
.marquee {
  border-block: 1px solid var(--line);
  padding-block: 22px;
  overflow: hidden;
  display: flex;
  background: var(--bg-raise);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; flex: none; gap: 0; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  flex: none;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--ink-faint);
  padding-inline: 44px;
  display: inline-flex; align-items: center; gap: 44px;
}
.marquee-track span::after { content: "✦"; color: var(--accent); font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ------- Sections ------- */
.section { padding-block: var(--space-section); position: relative; }
.section.tint { background: var(--bg-raise); border-block: 1px solid var(--line); }

.kicker {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 22px;
}
.kicker::before { content: attr(data-n); font-family: var(--font-display); color: var(--ink-faint); letter-spacing: 0.1em; }
.kicker::after { content: ""; width: 44px; height: 1px; background: linear-gradient(90deg, var(--accent-2), transparent); }

.section-head { max-width: 720px; margin-bottom: clamp(44px, 6vw, 72px); }
.section-head h2 { font-size: var(--step-4); margin-bottom: 18px; }
.section-head p { font-size: var(--step-1); color: var(--ink-mute); max-width: 58ch; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .kicker { justify-content: center; }
.section-head.center .kicker::before { display: none; }

/* ------- Grids & cards ------- */
.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 36px);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform 0.45s var(--ease-out), border-color 0.35s, box-shadow 0.45s;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(360px 200px at var(--mx, 50%) var(--my, 0%), var(--glow-a), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--card-shadow-hover); }
.card:hover::before { opacity: 1; }
.card .icon {
  width: 52px; height: 52px;
  border-radius: 15px;
  display: grid; place-items: center;
  background: var(--grad-soft);
  border: 1px solid rgba(59, 120, 246, 0.25);
  color: var(--accent-2);
  margin-bottom: 22px;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { font-size: var(--step-1); margin-bottom: 12px; }
.card p { font-size: 0.96rem; color: var(--ink-mute); }
.card .link-arrow { margin-top: 18px; }

/* ------- Editorial split ------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.split h2 { font-size: var(--step-3); margin-bottom: 20px; }
.split .prose p { margin-bottom: 16px; }
.split .prose p strong { color: var(--ink); }

.panel {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: clamp(30px, 4vw, 48px);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}
.panel::before {
  content: "";
  position: absolute; inset: -1px;
  background:
    radial-gradient(420px 260px at 100% 0%, var(--glow-a), transparent 65%),
    radial-gradient(300px 200px at 0% 100%, var(--glow-b), transparent 60%);
  pointer-events: none;
}
.panel > * { position: relative; }
.panel .big {
  font-family: var(--font-display);
  font-size: var(--step-4); font-weight: 700;
  background: linear-gradient(95deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 10px;
}
[data-theme="dark"] .panel .big { background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.panel h3 { font-size: var(--step-2); margin-bottom: 14px; }

/* ------- Checklist ------- */
.checklist { list-style: none; display: grid; gap: 15px; }
.checklist li { padding-left: 38px; position: relative; color: var(--ink-mute); font-weight: 500; }
.checklist li strong { color: var(--ink); }
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: 2px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background:
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M5 13l4 4 10-10"/></svg>') center/13px no-repeat,
    linear-gradient(95deg, #1355d8, #0b7285);
}
[data-theme="dark"] .checklist li::before {
  background:
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2305080f" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M5 13l4 4 10-10"/></svg>') center/13px no-repeat,
    linear-gradient(95deg, #4f8bff, #2fd4e6);
}

/* ------- Maintenance showcase ------- */
.maint-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.maint-card {
  position: relative;
  display: flex; flex-direction: column;
  min-height: 380px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: clamp(26px, 3vw, 38px);
  background:
    radial-gradient(500px 280px at 50% -30%, var(--glow-a), transparent 70%),
    var(--bg-panel);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform 0.45s var(--ease-out), border-color 0.35s, box-shadow 0.45s;
}
.maint-card:hover { transform: translateY(-8px); border-color: rgba(11, 114, 133, 0.45); box-shadow: var(--card-shadow-hover); }
.maint-card .tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 18px; }
.maint-card h3 { font-size: var(--step-2); margin-bottom: 14px; }
.maint-card p { font-size: 0.96rem; margin-bottom: 22px; }
.maint-card .metric { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }
.maint-card .metric b { display: block; font-family: var(--font-display); font-size: 1.7rem; color: var(--ink); letter-spacing: -0.02em; }
.maint-card .metric span { font-size: 0.82rem; color: var(--ink-faint); }
.maint-card .link-arrow { margin-top: 20px; }

/* ------- Process ------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 700;
  line-height: 1;
  background: linear-gradient(180deg, var(--accent), transparent 160%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block;
  margin-bottom: 20px;
}
.step h3 { font-size: var(--step-1); margin-bottom: 10px; }
.step p { font-size: 0.95rem; }

/* ------- FAQ ------- */
.faq { max-width: 820px; margin-inline: auto; display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-panel);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: border-color 0.3s, background 0.3s;
}
[data-theme="dark"] .faq details { background: rgba(255, 255, 255, 0.025); }
.faq details[open] { border-color: rgba(19, 85, 216, 0.45); background: rgba(59, 120, 246, 0.04); }
[data-theme="dark"] .faq details[open] { border-color: rgba(79, 139, 255, 0.45); background: rgba(79, 139, 255, 0.05); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 21px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-0);
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ind {
  flex: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--accent-2);
  font-size: 1rem; font-weight: 500;
  transition: transform 0.35s var(--ease-out), background 0.3s, color 0.3s;
}
.faq details[open] summary .ind { transform: rotate(45deg); background: var(--grad); color: var(--on-grad); border-color: transparent; }
.faq .faq-body { padding: 0 24px 22px; color: var(--ink-mute); font-size: 0.97rem; max-width: 62ch; }

/* ------- Testimonials ------- */
.quote-card {
  display: flex; flex-direction: column; gap: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 36px);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
}
.quote-card .qmark { font-family: var(--font-display); font-size: 3rem; line-height: 0.6; background: linear-gradient(95deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.quote-card blockquote { font-size: var(--step-1); font-family: var(--font-display); font-weight: 500; color: var(--ink); line-height: 1.45; letter-spacing: -0.01em; }
.quote-card .who { display: flex; align-items: center; gap: 14px; margin-top: auto; }
.quote-card .avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--grad);
  color: var(--on-grad); font-weight: 700; font-size: 0.92rem;
  display: grid; place-items: center;
  flex: none;
}
.quote-card .who b { display: block; color: var(--ink); font-size: 0.96rem; }
.quote-card .who span { color: var(--ink-faint); font-size: 0.84rem; }

/* ------- Feature boxes (maintenance pages) ------- */
.feature-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-box { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 3vw, 40px); background: var(--card-bg); box-shadow: var(--card-shadow); }
.feature-box.hot { background: radial-gradient(420px 240px at 90% -10%, var(--glow-a), transparent 65%), var(--bg-panel); }
.feature-box h3 { display: flex; align-items: center; gap: 12px; font-size: var(--step-1); margin-bottom: 22px; }
.feature-box .tag { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }
.feature-box .tag.std { background: rgba(19, 85, 216, 0.1); color: var(--accent); border: 1px solid rgba(19, 85, 216, 0.3); }
.feature-box .tag.opt { background: rgba(11, 114, 133, 0.1); color: var(--accent-2); border: 1px solid rgba(11, 114, 133, 0.3); }

.brand-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.brand-chips span {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 9px 20px;
  font-family: var(--font-display);
  font-weight: 600; font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  background: var(--bg-panel);
  transition: border-color 0.3s, color 0.3s;
}
.brand-chips span:hover { border-color: var(--accent-2); color: var(--ink); }
[data-theme="dark"] .brand-chips span { background: transparent; }

.benefit-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ------- Page hero (inner) ------- */
.page-hero {
  position: relative;
  padding: 190px 0 110px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 480px at 80% -20%, var(--glow-a), transparent 60%),
    radial-gradient(600px 400px at 5% 110%, var(--glow-b), transparent 55%);
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(700px 420px at 70% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(700px 420px at 70% 0%, #000 20%, transparent 75%);
  animation: grid-pan 40s linear infinite;
  pointer-events: none;
}
@keyframes grid-pan { to { background-position: 72px 72px, 72px 72px; } }
.page-hero .container { position: relative; z-index: 1; }
.page-hero .crumbs { display: flex; gap: 10px; font-size: 0.84rem; color: var(--ink-faint); margin-bottom: 24px; font-weight: 500; }
.page-hero .crumbs a { color: var(--ink-mute); transition: color 0.2s; }
.page-hero .crumbs a:hover { color: var(--ink); }
.page-hero h1 { font-size: var(--step-4); max-width: 18ch; margin-bottom: 22px; }
.page-hero .lead { font-size: var(--step-1); color: var(--ink-mute); max-width: 56ch; }

/* ------- CTA band ------- */
.cta-band {
  position: relative;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 10px);
  padding: clamp(44px, 6vw, 80px);
  text-align: center;
  overflow: hidden;
  background: var(--bg-panel);
  box-shadow: var(--card-shadow);
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 20% -20%, var(--glow-a), transparent 60%),
    radial-gradient(500px 300px at 85% 120%, var(--glow-b), transparent 60%);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: var(--step-3); max-width: 22ch; margin-inline: auto; margin-bottom: 16px; }
.cta-band p { max-width: 52ch; margin: 0 auto 34px; font-size: var(--step-0); }

/* ------- Contact ------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(30px, 4vw, 60px); align-items: start; }
.info-tile {
  display: flex; gap: 18px; align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 24px;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  transition: border-color 0.3s;
}
.info-tile:hover { border-color: var(--line-strong); }
.info-tile + .info-tile { margin-top: 14px; }
.info-tile .icon {
  flex: none; width: 46px; height: 46px; border-radius: 13px;
  background: var(--grad-soft);
  border: 1px solid rgba(59, 120, 246, 0.25);
  color: var(--accent-2);
  display: grid; place-items: center;
}
.info-tile .icon svg { width: 21px; height: 21px; }
.info-tile b { display: block; color: var(--ink); margin-bottom: 3px; font-family: var(--font-display); }
.info-tile p, .info-tile a { color: var(--ink-mute); font-size: 0.95rem; }
.info-tile a:hover { color: var(--accent); }

.form-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(28px, 3.5vw, 44px);
  background: var(--bg-panel);
  box-shadow: var(--card-shadow);
}
.form-card h2 { font-size: var(--step-2); margin-bottom: 8px; }
.form-card > p { color: var(--ink-faint); margin-bottom: 28px; font-size: 0.95rem; }
.form-card label { display: block; font-weight: 600; font-size: 0.87rem; color: var(--ink); margin-bottom: 8px; }
.form-card input, .form-card textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 14px 16px;
  font: inherit; font-size: 0.95rem;
  color: var(--ink);
  background: var(--field-bg);
  margin-bottom: 20px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-card input::placeholder, .form-card textarea::placeholder { color: var(--ink-faint); }
.form-card input:focus, .form-card textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-panel);
  box-shadow: 0 0 0 4px rgba(19, 85, 216, 0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { margin-top: 16px; color: var(--ink-faint); font-size: 0.88rem; }

/* ------- Legal ------- */
.legal { max-width: 780px; }
.legal h2 { font-size: var(--step-1); margin: 44px 0 14px; }
.legal p, .legal li { color: var(--ink-mute); margin-bottom: 14px; }
.legal ul { padding-left: 22px; }

/* ------- Footer (stays dark in both themes) ------- */
.site-footer {
  position: relative;
  border-top: 1px solid var(--line);
  background: #04070d;
  padding-top: clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.footer-watermark {
  position: absolute;
  left: 50%; bottom: -0.34em;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: clamp(5rem, 16vw, 15rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(120, 160, 220, 0.09);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}
.footer-grid { position: relative; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: clamp(50px, 7vw, 90px); }
.site-footer h4 { font-size: 0.82rem; letter-spacing: 0.2em; text-transform: uppercase; color: #8195ae; margin-bottom: 20px; font-weight: 600; }
.site-footer .brand, .site-footer .brand small { color: #eaf1fa; }
.site-footer .brand small { color: #8195ae; }
.site-footer p { font-size: 0.94rem; color: #9fb1c9; }
.footer-links { list-style: none; display: grid; gap: 12px; }
.footer-links a { color: #9fb1c9; font-size: 0.95rem; transition: color 0.2s, padding-left 0.25s var(--ease-out); }
.footer-links a:hover, .footer-links a:focus-visible { color: #fff; padding-left: 5px; }
.footer-contact { list-style: none; display: grid; gap: 14px; font-size: 0.95rem; }
.footer-contact li { display: flex; gap: 12px; align-items: center; }
.footer-contact svg { width: 17px; height: 17px; color: #3fd6e8; flex: none; }
.footer-contact a { color: #9fb1c9; }
.footer-contact a:hover { color: #fff; }
.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(160, 190, 235, 0.13);
  padding-block: 24px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  font-size: 0.86rem;
  color: #8195ae;
}
.footer-bottom .powered a {
  font-weight: 700;
  background: linear-gradient(95deg, #4f8bff, #2fd4e6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: #8195ae; }
.footer-legal a:hover, .footer-legal a:focus-visible { color: #fff; }
.site-footer :focus-visible { outline-color: #3fd6e8; }

/* ------- Reveal ------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out); transition-delay: var(--d, 0s); }
[data-reveal].in { opacity: 1; transform: none; }

/* ------- 404 ------- */
.err-wrap { min-height: 72vh; display: grid; place-items: center; text-align: center; padding-top: 120px; }
.err-wrap .code { font-family: var(--font-display); font-size: clamp(6rem, 20vw, 13rem); font-weight: 700; line-height: 1; background: linear-gradient(95deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ------- Reduced motion ------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero h1 .w > span { transform: none; animation: none; }
  .marquee-track { animation: none; flex-wrap: wrap; }
  .scroll-hint, .hero-pause { display: none; }
}

/* ------- High contrast preference ------- */
@media (prefers-contrast: more) {
  :root {
    --ink-mute: #22334a;
    --ink-faint: #3a4d66;
    --line: rgba(13, 40, 80, 0.4);
    --line-strong: rgba(13, 40, 80, 0.6);
  }
  [data-theme="dark"] {
    --ink-mute: #cfdcec;
    --ink-faint: #aebfd4;
    --line: rgba(180, 205, 240, 0.4);
    --line-strong: rgba(180, 205, 240, 0.6);
  }
  .btn-primary { box-shadow: none; outline: 2px solid var(--ink); outline-offset: 1px; }
}

/* ------- Forced colors (Windows High Contrast) ------- */
@media (forced-colors: active) {
  .card, .panel, .maint-card, .step, .quote-card, .feature-box, .info-tile, .form-card, .cta-band { border: 1px solid CanvasText; }
  .btn { border: 1px solid CanvasText; }
}

/* ------- Responsive ------- */
@media (max-width: 1040px) {
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .maint-grid, .steps, .benefit-row { grid-template-columns: 1fr; }
  .maint-card { min-height: 0; }
}
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0;
    z-index: 250;
    background: var(--mobilenav-bg);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    padding: 90px clamp(24px, 8vw, 60px) 40px;
    gap: 6px;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }
  .main-nav.open { opacity: 1; visibility: visible; }
  .main-nav > a, .dropdown > button { font-size: 1.35rem; font-family: var(--font-display); padding: 14px 10px; border-radius: 12px; width: 100%; justify-content: space-between; }
  .dropdown-menu { position: static; opacity: 1; visibility: hidden; transform: none; display: none; background: transparent; border: none; box-shadow: none; padding: 0 0 0 18px; }
  .dropdown.open .dropdown-menu { display: block; visibility: visible; }
  .dropdown:hover .dropdown-menu { visibility: hidden; }
  .dropdown.open:hover .dropdown-menu { visibility: visible; }
  .dropdown-menu a { font-size: 1.05rem; padding: 12px 14px; }
  .nav-cta .btn { display: none; }
  .split, .contact-grid, .feature-cols { grid-template-columns: 1fr; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .scroll-hint { display: none; }
  .hero-pause { bottom: 190px; }
}
@media (max-width: 560px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { justify-content: center; text-align: center; }
  .hero-inner { padding-top: 120px; }
}