/* ========================================================================
   HTN Cloud — Design System
   v0.1 prototype — light+dark mode
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600;700&display=swap');

/* ---------------------------------------------------------------
   1. TOKENS
   --------------------------------------------------------------- */
:root {
  /* brand (pulled from logo gradient) */
  --htn-cyan-300: #7EE0F2;
  --htn-cyan-400: #4DD0E8;
  --htn-cyan-500: #2EB8DE;
  --htn-blue-400: #3AA8E8;
  --htn-blue-500: #1E8BDE;
  --htn-blue-600: #0E6DC4;
  --htn-blue-700: #094FA0;
  --htn-blue-900: #062E6A;

  --gradient-brand: linear-gradient(135deg, #4DD0E8 0%, #1E8BDE 45%, #094FA0 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(77,208,232,.12) 0%, rgba(14,109,196,.08) 100%);
  --gradient-hero: radial-gradient(ellipse at 20% 30%, rgba(77,208,232,.18), transparent 60%),
                   radial-gradient(ellipse at 80% 20%, rgba(14,109,196,.15), transparent 55%);

  /* semantic */
  --success: #10B981;
  --success-bg: #D1FAE5;
  --warning: #F59E0B;
  --warning-bg: #FEF3C7;
  --danger:  #EF4444;
  --danger-bg: #FEE2E2;
  --info:    #3B82F6;
  --info-bg: #DBEAFE;

  /* light theme neutral */
  --bg: #FFFFFF;
  --bg-alt: #F6F9FC;
  --bg-subtle: #ECF2F8;
  --bg-elevated: #FFFFFF;
  --border: #E4ECF4;
  --border-strong: #C6D0DC;
  --text: #0C1726;
  --text-soft: #2D3E52;
  --text-muted: #6B7B90;
  --text-on-brand: #FFFFFF;

  --shadow-sm: 0 1px 2px rgba(12,23,38,.04), 0 2px 8px rgba(12,23,38,.06);
  --shadow-md: 0 4px 12px rgba(12,23,38,.07), 0 12px 28px rgba(12,23,38,.05);
  --shadow-lg: 0 10px 32px rgba(12,23,38,.12), 0 24px 56px rgba(12,23,38,.08);
  --shadow-glow: 0 0 0 1px rgba(46,184,222,.35), 0 8px 24px rgba(46,184,222,.18);

  /* typography */
  --font-heading: 'Be Vietnam Pro', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* radius / spacing */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  --container: 1280px;
  --header-h: 72px;

  /* motion */
  --ease: cubic-bezier(.16,.84,.44,1);
  --dur: 200ms;
}

[data-theme="dark"] {
  --bg: #0A1628;
  --bg-alt: #0F1E35;
  --bg-subtle: #14253F;
  --bg-elevated: #14253F;
  --border: #1E3252;
  --border-strong: #2A4570;
  --text: #F5F9FF;
  --text-soft: #C6D4E8;
  --text-muted: #8CA0BD;

  --success-bg: rgba(16,185,129,.12);
  --warning-bg: rgba(245,158,11,.12);
  --danger-bg: rgba(239,68,68,.12);
  --info-bg: rgba(59,130,246,.12);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.2), 0 2px 8px rgba(0,0,0,.25);
  --shadow-md: 0 4px 12px rgba(0,0,0,.3), 0 12px 28px rgba(0,0,0,.2);
  --shadow-lg: 0 10px 32px rgba(0,0,0,.45), 0 24px 56px rgba(0,0,0,.3);
  --shadow-glow: 0 0 0 1px rgba(77,208,232,.4), 0 8px 24px rgba(77,208,232,.2);

  --gradient-hero: radial-gradient(ellipse at 20% 30%, rgba(77,208,232,.18), transparent 55%),
                   radial-gradient(ellipse at 80% 20%, rgba(9,79,160,.4), transparent 55%);
}

/* ---------------------------------------------------------------
   2. RESET + BASE
   --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  overflow-x: hidden;
  min-width: 320px;
}
img, svg { max-width: 100%; }

img, svg { max-width: 100%; display: block; }
a { color: var(--htn-blue-600); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--htn-blue-700); }
[data-theme="dark"] a { color: var(--htn-cyan-400); }
[data-theme="dark"] a:hover { color: var(--htn-cyan-300); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 .5em;
  color: var(--text);
  text-wrap: balance;
  overflow-wrap: break-word;
}
p { margin: 0 0 1em; color: var(--text-soft); text-wrap: pretty; }
.display, .h1, .h2, .h3 { text-wrap: balance; }
.lead, .auth-card .sub, .cta-banner p { text-wrap: pretty; }

::selection { background: var(--htn-cyan-400); color: #042142; }

/* ---------------------------------------------------------------
   3. TYPOGRAPHY SCALE
   --------------------------------------------------------------- */
.display { font-size: clamp(2rem, 4vw + 1rem, 3.5rem); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; word-break: break-word; overflow-wrap: break-word; hyphens: auto; }
@media (max-width: 600px) {
  .display { font-size: clamp(1.5rem, 7vw, 2rem); line-height: 1.2; }
  .h1 { font-size: clamp(1.375rem, 5.5vw, 1.75rem); }
}
.h1 { font-size: clamp(1.875rem, 2.5vw + 1rem, 2.5rem); font-weight: 700; line-height: 1.15; }
.h2 { font-size: clamp(1.5rem, 1.5vw + .75rem, 1.875rem); font-weight: 700; line-height: 1.25; }
.h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; }
.h4 { font-size: 1.0625rem; font-weight: 600; line-height: 1.4; }
.lead { font-size: 1.125rem; color: var(--text-soft); line-height: 1.6; overflow-wrap: break-word; }
@media (max-width: 600px) { .lead { font-size: .9375rem; } .small { font-size: .8125rem; } }
.small { font-size: .875rem; color: var(--text-muted); }
.kicker { font-size: .8125rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--htn-cyan-500); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------------------------------------------------------------
   4. LAYOUT
   --------------------------------------------------------------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .container { padding: 0 16px; } }
.section { padding: clamp(48px, 6vw, 96px) 0; }
.section-alt { background: var(--bg-alt); }

.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: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; } .gap-6 { gap: 24px; }
.text-center { text-align: center; }
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-5{margin-top:48px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.mb-5{margin-bottom:48px}

/* ---------------------------------------------------------------
   5. HEADER / NAV
   --------------------------------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  display: flex; align-items: center;
}
[data-theme="dark"] .header { background: rgba(10,22,40,.78); }

.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading); font-weight: 800; font-size: 1.125rem;
  color: var(--text); letter-spacing: -.01em;
}
.logo img { width: 36px; height: 36px; }
.logo-tag { color: var(--text-muted); font-weight: 500; font-size: .8125rem; display: block; line-height: 1; margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a, .nav .nav-link {
  padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--text-soft); font-weight: 500; font-size: .9375rem;
  cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.nav a:hover, .nav .nav-link:hover { color: var(--text); background: var(--bg-subtle); }
.nav .nav-link svg.chev { width: 12px; height: 12px; opacity: .6; transition: transform var(--dur) var(--ease); }
.nav .dropdown { position: relative; }
.nav .dropdown:hover > .nav-link svg.chev,
.nav .dropdown:focus-within > .nav-link svg.chev { transform: rotate(180deg); }
.nav .dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  min-width: 280px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  z-index: 50;
}
.nav .dropdown:hover > .dropdown-menu,
.nav .dropdown:focus-within > .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.nav .dropdown-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--text-soft);
}
.nav .dropdown-item:hover { background: var(--bg-subtle); color: var(--text); }
.nav .dropdown-icon {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--gradient-brand-soft);
  color: var(--htn-blue-600);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
[data-theme="dark"] .nav .dropdown-icon { color: var(--htn-cyan-400); }
.nav .dropdown-icon svg { width: 18px; height: 18px; }
.nav .dropdown-item b { display: block; font-weight: 600; font-size: .9375rem; color: var(--text); margin-bottom: 2px; line-height: 1.2; }
.nav .dropdown-item span { font-size: .8125rem; color: var(--text-muted); line-height: 1.3; }

.header-actions { display: flex; align-items: center; gap: 8px; }
@media (max-width: 900px) {
  .header-actions > a.btn { display: none; }
}

/* theme toggle */
.theme-toggle {
  width: 40px; height: 40px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: transparent;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-soft);
  transition: all var(--dur) var(--ease);
}
.theme-toggle:hover { border-color: var(--htn-cyan-500); color: var(--htn-cyan-500); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: inline; }

/* mobile nav drawer */
.nav-toggle {
  display: none;
  width: 40px; height: 40px; border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  align-items: center; justify-content: center;
  cursor: pointer; color: var(--text);
}
.nav-toggle svg { width: 20px; height: 20px; }
.nav-close { display: none; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .nav {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(380px, 92vw);
    background: var(--bg);
    border-left: 1px solid var(--border);
    box-shadow: -16px 0 40px rgba(12,23,38,.18);
    z-index: 100;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px 0;
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .3s var(--ease), visibility 0s linear .3s;
  }
  [data-theme="dark"] .nav { box-shadow: -16px 0 40px rgba(0,0,0,.5); }

  body.nav-open .nav {
    transform: translateX(0);
    visibility: visible;
    transition: transform .3s var(--ease);
  }
  body.nav-open { overflow: hidden; }
  body.nav-open::after {
    content: '';
    position: fixed; inset: 0; z-index: 99;
    background: rgba(12,23,38,.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: navBackdropIn .3s ease;
  }
  @keyframes navBackdropIn { from { opacity: 0; } }

  .nav-close {
    display: flex; align-items: center; justify-content: space-between;
    padding: 4px 20px 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
  }
  .nav-close .logo img { width: 32px; height: 32px; }
  .nav-close button {
    width: 36px; height: 36px; border-radius: var(--radius-pill);
    border: 1px solid var(--border); background: transparent; color: var(--text);
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
  }

  /* flatten dropdowns into vertical sections on mobile */
  .nav .dropdown { position: static; }
  .nav .nav-link {
    padding: 14px 20px; border-radius: 0;
    font-size: .75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .08em;
    color: var(--text-muted);
    width: 100%; justify-content: flex-start;
  }
  .nav .nav-link svg.chev { display: none; }
  .nav .nav-link:hover { background: transparent; color: var(--text); }

  .nav .dropdown-menu {
    position: static; width: 100%; min-width: 0;
    background: transparent; border: none; box-shadow: none;
    padding: 0 12px 12px;
    opacity: 1; visibility: visible; transform: none;
    transition: none;
  }
  .nav .dropdown-item { padding: 12px; border-radius: var(--radius-sm); }
  .nav .dropdown-item:hover { background: var(--bg-subtle); }

  .nav > a {
    padding: 14px 20px;
    color: var(--text); font-weight: 500;
    border-top: 1px solid var(--border);
  }

  .nav-footer {
    padding: 16px 20px; margin-top: auto;
    border-top: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 10px;
  }
  .nav-footer .btn { width: 100%; }
}

@media (min-width: 901px) {
  .nav-close { display: none !important; }
  .nav-footer { display: none !important; }
}

/* ---------------------------------------------------------------
   6. BUTTONS
   --------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; font-family: var(--font-body); font-weight: 600; font-size: .9375rem;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; line-height: 1;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(46,184,222,.4); }

.btn-primary {
  background: var(--gradient-brand); color: #fff;
  box-shadow: 0 4px 14px rgba(14,109,196,.35);
}
.btn-primary:hover { color: #fff; box-shadow: 0 8px 22px rgba(14,109,196,.45); }

.btn-secondary {
  background: var(--bg-elevated); color: var(--text); border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--htn-cyan-500); color: var(--htn-blue-600); }
[data-theme="dark"] .btn-secondary:hover { color: var(--htn-cyan-400); }

.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { background: var(--bg-subtle); color: var(--text); }

.btn-sm { padding: 7px 12px; font-size: .8125rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------------------------------------------------------------
   7. CARDS
   --------------------------------------------------------------- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--htn-cyan-500);
  box-shadow: var(--shadow-md);
}

.card-highlighted {
  position: relative; overflow: hidden;
}
.card-highlighted::before {
  content: ''; position: absolute; inset: 0;
  padding: 1.5px; border-radius: inherit;
  background: var(--gradient-brand);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}

/* ---------------------------------------------------------------
   8. BADGES / PILLS
   --------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: var(--radius-pill);
  font-size: .75rem; font-weight: 600; line-height: 1;
  background: var(--bg-subtle); color: var(--text-soft);
}
.badge-brand { background: var(--gradient-brand-soft); color: var(--htn-blue-600); }
[data-theme="dark"] .badge-brand { color: var(--htn-cyan-400); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); }
.badge-info    { background: var(--info-bg); color: var(--info); }

.badge-dot::before {
  content:''; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(16,185,129,.2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(16,185,129,0); } }

/* ---------------------------------------------------------------
   9. INPUTS
   --------------------------------------------------------------- */
.input, .select, .textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-body); font-size: .9375rem;
  background: var(--bg-elevated); color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  min-width: 0;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--htn-cyan-500);
  box-shadow: 0 0 0 3px rgba(46,184,222,.2);
}
.input::placeholder { color: var(--text-muted); }

.input-group { position: relative; }
.input-group .input { padding-left: 40px; }
.input-group-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); width: 18px; height: 18px; pointer-events: none;
}

.label { display: block; font-size: .875rem; font-weight: 500; color: var(--text-soft); margin-bottom: 6px; }

.checkbox {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .875rem; color: var(--text-soft); cursor: pointer;
}
.checkbox input { accent-color: var(--htn-blue-600); width: 16px; height: 16px; }

/* ---------------------------------------------------------------
   10. HERO
   --------------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(40px, 5vw, 96px) 0 clamp(48px, 8vw, 112px);
  background: var(--gradient-hero), var(--bg);
  overflow: hidden;
}
@media (max-width: 600px) {
  .hero { padding: 28px 0 40px; }
  .hero .display { font-size: clamp(1.5rem, 7vw, 2rem); line-height: 1.15; }
  .hero .lead { font-size: .9375rem; }
  .hero-trust { gap: 10px 16px; font-size: .8125rem; }
  .hero .flex, .subpage-hero .flex, .cta-banner .flex { flex-direction: column; align-items: stretch; }
  .hero .btn, .subpage-hero .btn, .cta-banner .btn { width: 100%; }
}
@media (max-width: 600px) {
  .hero .display, .subpage-hero .display, .display { font-size: 1.5rem !important; line-height: 1.2; }
}
@media (max-width: 400px) {
  .hero .display, .subpage-hero .display, .display { font-size: 1.375rem !important; }
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(14,109,196,.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(14,109,196,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center top, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center top, #000 30%, transparent 70%);
  pointer-events: none;
}
[data-theme="dark"] .hero-grid {
  background-image: linear-gradient(rgba(77,208,232,.06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(77,208,232,.06) 1px, transparent 1px);
}

.hero-inner {
  position: relative; display: grid; grid-template-columns: 1.1fr .9fr;
  gap: 48px; align-items: center;
  min-width: 0;
}
.hero-inner > * { min-width: 0; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 600px) {
  .hero-inner { display: block; }
  .hero-inner > div:first-child { margin-bottom: 28px; }
}

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 20px 32px; margin-top: 32px;
  align-items: center; color: var(--text-muted); font-size: .875rem;
}
.hero-trust b { color: var(--text); font-weight: 700; font-family: var(--font-mono); }

/* hero dashboard mockup */
.dashboard-mock {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  max-width: 100%;
}
@media (max-width: 480px) {
  .dashboard-mock { font-size: .875rem; }
  .dashboard-headline { font-size: 1rem !important; }
  .dashboard-grid { grid-template-columns: 1fr 1fr; gap: 8px !important; }
  .stat-mini { padding: 10px !important; }
  .stat-mini-value { font-size: 1rem !important; }
}
.hero-inner { min-width: 0; }
.hero-inner > div { min-width: 0; }
.dashboard-mock::before {
  content: ''; position: absolute; inset: -1px;
  border-radius: inherit;
  background: var(--gradient-brand);
  opacity: .18; z-index: -1; filter: blur(28px);
}
.dashboard-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.dashboard-head .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.dashboard-head .dot:nth-child(1) { background: #FF5F57; }
.dashboard-head .dot:nth-child(2) { background: #FEBC2E; }
.dashboard-head .dot:nth-child(3) { background: #28C840; }
.dashboard-head .url {
  font-family: var(--font-mono); font-size: .75rem; color: var(--text-muted);
  margin-left: 12px;
}
.dashboard-body { padding: 20px; }
.dashboard-title { font-size: .875rem; color: var(--text-muted); margin-bottom: 4px; }
.dashboard-headline { font-size: 1.125rem; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 16px; }
.stat-mini {
  padding: 12px; background: var(--bg-alt); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.stat-mini-label { font-size: .6875rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.stat-mini-value { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; color: var(--text); margin-top: 4px; }
.stat-mini-delta { font-size: .6875rem; color: var(--success); font-weight: 600; }

.sparkline {
  height: 60px; position: relative;
  background: linear-gradient(180deg, rgba(46,184,222,.08), transparent);
  border-radius: var(--radius-sm);
  padding: 0 2px;
}
.sparkline svg { width: 100%; height: 100%; }

/* ---------------------------------------------------------------
   11. STATUS STRIP
   --------------------------------------------------------------- */
.status-strip {
  background: var(--bg-alt);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.status-strip-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  font-size: .875rem; color: var(--text-soft);
}
@media (max-width: 600px) {
  .status-strip-inner { font-size: .75rem; gap: 8px; }
  .status-chip { font-size: .75rem; padding: 3px 8px; }
  .subpage-hero h1 { font-size: clamp(1.75rem, 7vw, 2.25rem) !important; }
}
.status-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: var(--radius-pill);
  font-family: var(--font-mono); font-size: .8125rem; font-weight: 600;
}
.status-chip b { color: var(--text); }

/* ---------------------------------------------------------------
   12. SERVICE CARD (homepage grid + cart)
   --------------------------------------------------------------- */
.service-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: all var(--dur) var(--ease);
  display: flex; flex-direction: column; gap: 16px;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--htn-cyan-500);
}
.service-icon {
  width: 56px; height: 56px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  background: var(--gradient-brand-soft);
  color: var(--htn-blue-600);
}
[data-theme="dark"] .service-icon { color: var(--htn-cyan-400); }
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { margin: 0; font-size: 1.125rem; }
.service-card .desc { color: var(--text-muted); font-size: .875rem; margin: 0; }

.service-specs {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr; gap: 8px;
  font-size: .875rem; color: var(--text-soft);
}
.service-specs li { display: flex; align-items: center; gap: 8px; }
.service-specs li::before {
  content:''; width:14px; height:14px; flex-shrink:0;
  background: var(--success);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='white' d='M13.5 4.5L6 12 2.5 8.5'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' stroke-width='2' stroke-linecap='round' fill='none' stroke='white'%3E%3Cpath stroke='white' d='M13.5 4.5L6 12 2.5 8.5'/%3E%3C/svg%3E") no-repeat center / contain;
}

.price { display: flex; align-items: baseline; gap: 6px; }
.price .amount { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.price .unit { color: var(--text-muted); font-size: .875rem; }

.stock-bar { height: 4px; background: var(--bg-subtle); border-radius: var(--radius-pill); overflow: hidden; }
.stock-bar-fill { height: 100%; background: var(--gradient-brand); border-radius: inherit; }

/* ---------------------------------------------------------------
   13. PILLARS
   --------------------------------------------------------------- */
.pillar {
  text-align: center; padding: 24px;
}
.pillar-value {
  font-family: var(--font-heading); font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800; letter-spacing: -.02em;
  background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1; margin-bottom: 8px;
}
.pillar-label { color: var(--text-muted); font-size: .9375rem; }

/* ---------------------------------------------------------------
   14. FOOTER
   --------------------------------------------------------------- */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

.footer h4 { font-size: .875rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .04em; color: var(--text); }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-soft); font-size: .875rem; }
.footer-links a:hover { color: var(--htn-blue-600); }
[data-theme="dark"] .footer-links a:hover { color: var(--htn-cyan-400); }

.socials { display: flex; gap: 10px; margin-top: 16px; }
.socials a {
  width: 36px; height: 36px; border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-soft); transition: all var(--dur) var(--ease);
}
.socials a:hover { background: var(--gradient-brand); color: #fff; border-color: transparent; transform: translateY(-2px); }
.socials svg { width: 16px; height: 16px; }

.legal-row {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  font-size: .8125rem; color: var(--text-muted);
}
.trust-badges { display: flex; gap: 12px; align-items: center; opacity: .75; }
.trust-badges img { height: 32px; }

/* ---------------------------------------------------------------
   15. CTA BANNER
   --------------------------------------------------------------- */
.cta-banner {
  position: relative; overflow: hidden;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(40px, 5vw, 72px);
  text-align: center;
}
.cta-banner::before {
  content:''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 0, rgba(255,255,255,.25), transparent 50%),
              radial-gradient(ellipse at 80% 100%, rgba(255,255,255,.15), transparent 50%);
  pointer-events: none;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 12px; position: relative; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 1.125rem; max-width: 560px; margin: 0 auto 24px; position: relative; }
.cta-banner .btn-primary { background: #fff; color: var(--htn-blue-700); box-shadow: 0 4px 14px rgba(0,0,0,.15); position: relative; }
.cta-banner .btn-primary:hover { background: #fff; color: var(--htn-blue-900); }
.cta-banner .btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.5); position: relative; }
.cta-banner .btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }

/* ---------------------------------------------------------------
   16. SIDEBAR (cart filter)
   --------------------------------------------------------------- */
.layout-sidebar { display: grid; grid-template-columns: 260px 1fr; gap: 32px; }
@media (max-width: 900px) { .layout-sidebar { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .layout-sidebar { gap: 24px; }
  .sidebar-group { margin-bottom: 16px; }
}

.sidebar-group { margin-bottom: 24px; }
.sidebar-group h4 { font-size: .8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin-bottom: 10px; }
.sidebar-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.sidebar-list a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: var(--radius-sm); font-size: .9375rem;
  color: var(--text-soft);
}
.sidebar-list a:hover { background: var(--bg-subtle); color: var(--text); }
.sidebar-list a.active {
  background: var(--gradient-brand-soft); color: var(--htn-blue-700); font-weight: 600;
}
[data-theme="dark"] .sidebar-list a.active { color: var(--htn-cyan-300); }
.sidebar-list .count { margin-left: auto; font-size: .75rem; color: var(--text-muted); }

/* ---------------------------------------------------------------
   17. LOGIN / AUTH
   --------------------------------------------------------------- */
.auth-screen {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 40px 20px;
  background: var(--bg);
  position: relative; overflow: hidden;
}
.auth-screen::before {
  content:''; position: absolute; inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}
.auth-card {
  position: relative; width: 100%; max-width: 440px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.auth-card .logo { justify-content: center; margin-bottom: 28px; }
.auth-card h1 { text-align: center; margin-bottom: 8px; font-size: 1.5rem; }
.auth-card .sub { text-align: center; color: var(--text-muted); margin-bottom: 28px; font-size: .9375rem; }
.auth-card .form-group { margin-bottom: 16px; }
.auth-card .form-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.auth-card .divider {
  display: flex; align-items: center; gap: 12px;
  margin: 24px 0; color: var(--text-muted); font-size: .8125rem;
}
.auth-card .divider::before, .auth-card .divider::after {
  content:''; flex: 1; height: 1px; background: var(--border);
}
.auth-footer { text-align: center; font-size: .875rem; color: var(--text-muted); margin-top: 20px; }

/* ---------------------------------------------------------------
   18. BREADCRUMB
   --------------------------------------------------------------- */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .875rem; color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb-sep { color: var(--border-strong); }

/* ---------------------------------------------------------------
   19. SPLASH / LOGO LOADER (homepage first-visit)
   --------------------------------------------------------------- */
.splash {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: grid; place-items: center;
  gap: 0;
  opacity: 1;
  animation: splashFadeOut .5s ease-in 1.2s forwards;
  will-change: opacity;
}
.splash::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-hero);
  opacity: .6;
}
.splash-inner {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.splash-logo-wrap {
  position: relative; width: 112px; height: 112px;
  animation: splashLogoIn .9s cubic-bezier(.22,.8,.3,1.2) both;
}
.splash-logo-wrap img {
  width: 100%; height: 100%; border-radius: 50%;
  filter: drop-shadow(0 0 32px rgba(46,184,222,.45));
}
.splash-ring {
  position: absolute; inset: -8px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: conic-gradient(from 0deg, transparent 0 40%, #4DD0E8 45%, #1E8BDE 60%, transparent 70% 100%);
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 59%);
  mask: radial-gradient(circle, transparent 58%, #000 59%);
  animation: splashRingSpin 1.3s linear infinite;
}
.splash-brand {
  font-family: var(--font-heading); font-weight: 800; font-size: 1.25rem;
  color: var(--text); letter-spacing: -.01em;
  animation: splashTextIn .7s ease-out .2s both;
}
.splash-tagline {
  font-size: .8125rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase;
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: splashTextIn .7s ease-out .35s both;
}
@keyframes splashLogoIn {
  0% { transform: scale(.55) rotate(-12deg); opacity: 0; }
  60% { transform: scale(1.06) rotate(4deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}
@keyframes splashTextIn {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: none; opacity: 1; }
}
@keyframes splashRingSpin { to { transform: rotate(360deg); } }
@keyframes splashFadeOut {
  to { opacity: 0; visibility: hidden; pointer-events: none; }
}
@media (prefers-reduced-motion: reduce) {
  .splash { animation-delay: .3s; animation-duration: .25s; }
  .splash-logo-wrap, .splash-brand, .splash-tagline { animation: none; }
  .splash-ring { animation: none; display: none; }
}

/* ---------------------------------------------------------------
   20. SUBPAGE (service-detail template)
   --------------------------------------------------------------- */
.subpage-hero {
  position: relative; overflow: hidden;
  padding: clamp(64px, 7vw, 112px) 0 clamp(48px, 5vw, 80px);
  background: var(--gradient-hero), var(--bg);
  text-align: center;
}
.subpage-hero .container { position: relative; }
.subpage-hero .kicker { color: var(--htn-cyan-500); }
.subpage-hero h1 { max-width: 18ch; margin: 12px auto 0; overflow-wrap: break-word; hyphens: auto; }
.subpage-hero .lead { max-width: 60ch; margin: 16px auto 28px; overflow-wrap: break-word; }
@media (max-width: 600px) {
  .subpage-hero h1 { max-width: 100%; text-wrap: pretty; word-break: keep-all; }
  .subpage-hero .lead { max-width: 100%; font-size: .9375rem; }
  .subpage-hero { padding: 32px 0 28px !important; }
  .subpage-hero .breadcrumb { font-size: .75rem; flex-wrap: wrap; }
}

.feature-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) { .feature-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .feature-grid-4 { grid-template-columns: 1fr; } }
.feature-stat {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.feature-stat-num {
  font-family: var(--font-heading); font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.feature-stat-label { font-size: .875rem; color: var(--text-muted); margin-top: 6px; }

.step-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 900px) { .step-list { grid-template-columns: 1fr; } }
.step-item {
  position: relative;
  padding: 28px 24px 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.step-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; top: -16px; left: 24px;
  width: 40px; height: 40px;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; font-size: .9375rem;
  box-shadow: 0 4px 12px rgba(14,109,196,.3);
}

.usecase-card {
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--dur) var(--ease);
}
.usecase-card:hover { transform: translateY(-3px); border-color: var(--htn-cyan-500); box-shadow: var(--shadow-md); }

/* progressive pricing table (CDN, GA, etc.) */
.pricing-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-body);
}
.pricing-table thead th {
  background: var(--bg-alt);
  padding: 14px 20px;
  text-align: left;
  font-size: .8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.pricing-table thead th.num { text-align: right; }
.pricing-table tbody td {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: .9375rem;
  color: var(--text-soft);
}
.pricing-table tbody tr:first-child td { border-top: none; }
.pricing-table tbody tr:hover { background: var(--bg-alt); }
.pricing-table td.num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--text);
}
.pricing-table .tier-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: .8125rem;
}
@media (max-width: 600px) {
  .pricing-table thead th:last-child, .pricing-table tbody td:last-child { display: none; }
}

.usecase-card .usecase-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand-soft);
  color: var(--htn-blue-600);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
[data-theme="dark"] .usecase-card .usecase-icon { color: var(--htn-cyan-400); }

/* ---------------------------------------------------------------
   21. STYLE GUIDE helpers
   --------------------------------------------------------------- */
.sg-section { padding: 48px 0; border-bottom: 1px solid var(--border); }
.sg-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.sg-swatch {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.sg-swatch-color { height: 72px; }
.sg-swatch-info { padding: 10px 12px; font-family: var(--font-mono); font-size: .75rem; }
.sg-swatch-info b { display: block; font-family: var(--font-body); font-weight: 600; font-size: .8125rem; color: var(--text); margin-bottom: 2px; }
.sg-swatch-info span { color: var(--text-muted); }

.sg-label {
  display: inline-block; padding: 2px 8px;
  background: var(--bg-subtle); color: var(--text-muted);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono); font-size: .6875rem;
  margin-left: 8px;
}

.preview-nav {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 24px 0;
}