/* ============================================================
   ISP World — Main Stylesheet
   Palette: Navy #050D1F · Cyan #00C8FF · Violet #7B2FFF
   ============================================================ */

:root {
  --bg:             #050D1F;
  --surface:        #0D1B2A;
  --card:           #0F2035;
  --card-hover:     #132540;
  --border:         rgba(0,200,255,0.14);
  --border-subtle:  rgba(255,255,255,0.06);

  --cyan:           #00C8FF;
  --cyan-light:     #40D8FF;
  --cyan-dim:       rgba(0,200,255,0.12);
  --cyan-glow:      0 0 28px rgba(0,200,255,0.22);

  --violet:         #7B2FFF;
  --violet-light:   #9B6FFF;
  --violet-dim:     rgba(123,47,255,0.14);

  --text:           #FFFFFF;
  --text-sec:       #94A3B8;
  --text-muted:     #64748B;
  --ice:            #E8F4FD;

  --radius:         12px;
  --radius-sm:      8px;
  --radius-lg:      20px;
  --radius-full:    100px;

  --ease:           0.22s ease;
  --font:           'Inter', system-ui, -apple-system, sans-serif;
  --max-w:          1200px;
  --header-h:       72px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

/* ── Container ─────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5 { font-weight: 800; line-height: 1.18; }
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { color: var(--text-sec); line-height: 1.78; }

.text-cyan     { color: var(--cyan); }
.text-violet   { color: var(--violet-light); }
.text-muted    { color: var(--text-muted); }
.text-gradient {
  background: linear-gradient(130deg, var(--cyan) 0%, var(--violet-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}
.section-label::before {
  content: '';
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--cyan);
  color: #030810;
  border-color: var(--cyan);
}
.btn-primary:hover {
  background: var(--cyan-light);
  border-color: var(--cyan-light);
  box-shadow: var(--cyan-glow);
  transform: translateY(-1px);
}
.btn-outline {
  border-color: var(--cyan);
  color: var(--cyan);
}
.btn-outline:hover {
  background: var(--cyan-dim);
  box-shadow: var(--cyan-glow);
}
.btn-ghost { color: var(--text-sec); border-color: var(--border-subtle); }
.btn-ghost:hover { color: var(--cyan); border-color: var(--cyan); background: var(--cyan-dim); }
.btn-sm { padding: 9px 22px; font-size: 0.875rem; }
.btn-lg { padding: 16px 38px; font-size: 1rem; }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 200;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5,13,31,0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--border);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.site-logo a { display: flex; align-items: center; }
.logo-text-wrap { display: flex; flex-direction: column; gap: 1px; }
.logo-mark {
  display: flex;
  align-items: center;
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
}
.logo-isp { color: var(--cyan); }
.logo-world-wrap { display: flex; align-items: center; color: var(--ice); }
.logo-globe-o {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0 1px;
  position: relative;
  top: -0.5px;
}
.logo-tagline {
  font-size: 0.575rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Nav */
.site-nav { display: flex; align-items: center; gap: 2px; flex: 1; justify-content: center; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 13px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-sec);
  border-radius: var(--radius-sm);
  transition: all var(--ease);
  position: relative;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 2px;
  background: var(--cyan);
  border-radius: 2px;
}
.nav-chevron { width: 13px; height: 13px; transition: transform 0.2s ease; flex-shrink: 0; }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 270px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 24px 64px rgba(0,0,0,0.55);
  z-index: 10;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown:hover .nav-chevron { transform: rotate(180deg); }
.dropdown-link {
  display: block;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--text-sec);
  border-radius: var(--radius-sm);
  transition: all var(--ease);
}
.dropdown-link:hover { background: var(--cyan-dim); color: var(--cyan); padding-left: 20px; }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 21px; height: 2px;
  background: var(--text-sec);
  border-radius: 2px;
  transition: all 0.28s ease;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 80px) 0 100px;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 65% 55% at 72% 48%, rgba(0,200,255,0.09) 0%, transparent 65%),
    radial-gradient(ellipse 45% 65% at 28% 42%, rgba(123,47,255,0.07) 0%, transparent 65%),
    radial-gradient(circle at 1px 1px, rgba(0,200,255,0.055) 1px, transparent 0);
  background-size: 100% 100%, 100% 100%, 38px 38px;
}
.hero-bg-line {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.3;
}
.hero-content { position: relative; z-index: 1; max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,200,255,0.28);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 30px;
}
.badge-pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: badge-pulse 2.2s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%,100% { opacity:1; box-shadow: 0 0 0 0 rgba(0,200,255,0.5); }
  50%      { opacity:0.6; box-shadow: 0 0 0 5px rgba(0,200,255,0); }
}
.hero h1 { margin-bottom: 22px; }
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-sec);
  margin-bottom: 40px;
  max-width: 580px;
  line-height: 1.78;
}
.hero-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 52px;
  margin-top: 68px;
  padding-top: 44px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}
.hero-stat { }
.hero-stat-num {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); }

/* ── Page Hero (inner pages) ─────────────────────────────────── */
.page-hero {
  padding: calc(var(--header-h) + 56px) 0 56px;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 120% at 50% -10%, rgba(0,200,255,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb-sep { opacity: 0.4; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); margin-bottom: 14px; }
.page-hero .lead { font-size: 1.05rem; max-width: 620px; }

/* ── Sections ────────────────────────────────────────────────── */
section { padding: 96px 0; }
section.tight { padding: 64px 0; }
section.flush { padding: 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { max-width: 560px; margin: 0 auto; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease), background var(--ease);
}
.card:hover {
  border-color: var(--border);
  box-shadow: 0 10px 44px rgba(0,0,0,0.32), var(--cyan-glow);
  transform: translateY(-3px);
  background: var(--card-hover);
}
.card-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,200,255,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--cyan);
  flex-shrink: 0;
}
.card-icon svg { width: 22px; height: 22px; }
.card-icon.violet { background: var(--violet-dim); border-color: rgba(123,47,255,0.22); color: var(--violet-light); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.9375rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  transition: gap var(--ease);
}
.card-link:hover { gap: 10px; }
.card-link svg { width: 14px; height: 14px; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ── Stats Row ───────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-item {
  background: var(--card);
  padding: 36px 28px;
  text-align: center;
}
.stat-num {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.875rem; color: var(--text-muted); }

/* ── CTA Section ─────────────────────────────────────────────── */
.cta-section {
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 130% at 50% 0%, rgba(0,200,255,0.065) 0%, transparent 65%);
  pointer-events: none;
}
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-inner h2 { margin-bottom: 16px; }
.cta-inner p { margin-bottom: 38px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ── Feature List ────────────────────────────────────────────── */
.feature-list { display: flex; flex-direction: column; gap: 14px; }
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-sec);
}
.feature-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,200,255,0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.feature-check svg { width: 10px; height: 10px; }

/* ── Tags / Badges ───────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 13px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.tag-cyan   { background: var(--cyan-dim);   color: var(--cyan);         border: 1px solid rgba(0,200,255,0.22); }
.tag-violet { background: var(--violet-dim); color: var(--violet-light); border: 1px solid rgba(123,47,255,0.22); }
.tag-ghost  { background: rgba(255,255,255,0.05); color: var(--text-sec); border: 1px solid var(--border-subtle); }

/* ── Process Steps ───────────────────────────────────────────── */
.process-steps { display: flex; flex-direction: column; }
.process-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 27px; top: 54px;
  height: calc(100% - 14px);
  width: 2px;
  background: linear-gradient(to bottom, rgba(0,200,255,0.25), rgba(0,200,255,0.04));
}
.step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--cyan-dim);
  border: 2px solid rgba(0,200,255,0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--cyan);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.step-content { padding: 9px 0 44px; }
.step-content h4 { margin-bottom: 6px; }

/* ── Case Study Cards ────────────────────────────────────────── */
.case-card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.case-card:hover {
  border-color: var(--border);
  transform: translateY(-2px);
  box-shadow: 0 12px 48px rgba(0,0,0,0.3);
}
.case-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.case-body { padding: 24px 28px; }
.case-metric { text-align: right; flex-shrink: 0; }
.case-metric-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
}
.case-metric-label { font-size: 0.74rem; color: var(--text-muted); }
.case-pra { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 20px; }
.pra-block h5 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.pra-block p { font-size: 0.875rem; }

/* ── Accordion / FAQ ─────────────────────────────────────────── */
.accordion { display: flex; flex-direction: column; gap: 8px; }
.accordion-item {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--ease);
}
.accordion-trigger:hover { color: var(--cyan); }
.accordion-icon { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.28s ease; color: var(--text-muted); }
.accordion-trigger.open .accordion-icon { transform: rotate(180deg); color: var(--cyan); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.32s ease; }
.accordion-body.open { max-height: 500px; }
.accordion-body-inner { padding: 0 24px 20px; font-size: 0.9375rem; color: var(--text-sec); line-height: 1.78; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 8px;
}
.form-required { color: var(--cyan); margin-left: 2px; }
.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.9375rem;
  transition: border-color var(--ease), box-shadow var(--ease);
  outline: none;
  -webkit-appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.1);
}
.form-textarea { resize: vertical; min-height: 130px; }
.form-select option { background: var(--surface); color: var(--text); }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border-subtle);
}
.footer-brand p {
  font-size: 0.925rem;
  margin-top: 16px;
  margin-bottom: 24px;
  max-width: 270px;
  line-height: 1.72;
}
.footer-social { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--ease);
}
.social-link:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }
.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 0.9rem; color: var(--text-muted); transition: color var(--ease); }
.footer-link:hover { color: var(--cyan); }
.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a { font-size: 0.8rem; color: var(--text-muted); transition: color var(--ease); }
.footer-legal a:hover { color: var(--cyan); }

/* ── Animations ──────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.52s ease, transform 0.52s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }
.delay-5 { transition-delay: 0.40s; }
.delay-6 { transition-delay: 0.48s; }

/* ── Two-col content layout ──────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.two-col.reverse { }
.two-col-visual {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
}
.two-col-visual::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(0,200,255,0.1), transparent 70%);
  pointer-events: none;
}

/* ── Contact info ────────────────────────────────────────────── */
.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: border-color var(--ease);
}
.contact-method:hover { border-color: var(--border); }
.contact-method-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,200,255,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}
.contact-method-icon svg { width: 20px; height: 20px; }
.contact-method h4 { margin-bottom: 3px; font-size: 0.9rem; }
.contact-method p { font-size: 0.875rem; margin: 0; }
.contact-method a { color: var(--cyan); }

/* ── Team / Founder cards ────────────────────────────────────── */
.founder-card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color var(--ease);
}
.founder-card:hover { border-color: var(--border); }
.founder-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan-dim), var(--violet-dim));
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 20px;
  flex-shrink: 0;
}
.founder-card h3 { margin-bottom: 4px; font-size: 1.2rem; }
.founder-title { font-size: 0.8rem; color: var(--cyan); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.founder-card p { font-size: 0.9375rem; }
.founder-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

/* ── Ecosystem cards ─────────────────────────────────────────── */
.eco-card {
  background: var(--card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease);
}
.eco-card:hover { border-color: var(--border); transform: translateY(-2px); }
.eco-card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.eco-card-accent.cyan { background: linear-gradient(90deg, var(--cyan), transparent); }
.eco-card-accent.violet { background: linear-gradient(90deg, var(--violet), transparent); }
.eco-logo { font-size: 1.25rem; font-weight: 900; margin-bottom: 8px; }
.eco-type { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 16px; }
.eco-card p { font-size: 0.9375rem; }

/* ── Utility ─────────────────────────────────────────────────── */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-600 { max-width: 600px; }
.divider { height: 1px; background: var(--border-subtle); }
.sr-only { position: absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.mt-8  { margin-top:  8px; }  .mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }  .mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }  .mb-8  { margin-bottom:  8px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; } .mb-48 { margin-bottom: 48px; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.inline-flex { display: inline-flex; }

/* ── Legal pages ─────────────────────────────────────────────── */
.legal-content { max-width: 760px; margin: 0 auto; }
.legal-content h2 { font-size: 1.3rem; margin: 40px 0 12px; color: var(--text); }
.legal-content h3 { font-size: 1.05rem; margin: 28px 0 10px; color: var(--text); }
.legal-content p  { margin-bottom: 14px; font-size: 0.9375rem; }
.legal-content ul { margin: 12px 0 14px 24px; }
.legal-content ul li { list-style: disc; font-size: 0.9375rem; color: var(--text-sec); margin-bottom: 6px; }

/* ── 404 ─────────────────────────────────────────────────────── */
.not-found {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.not-found-code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--cyan), var(--violet-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-3   { grid-template-columns: repeat(2,1fr); }
  .grid-4   { grid-template-columns: repeat(2,1fr); }
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .two-col  { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .site-nav {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: rgba(5,13,31,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 16px;
    gap: 2px;
    overflow-y: auto;
    border-top: 1px solid var(--border);
    z-index: 190;
  }
  .site-nav.open { display: flex; }
  .nav-link { width: 100%; padding: 13px 16px; font-size: 0.9375rem; border-radius: var(--radius-sm); }
  .nav-dropdown-menu {
    position: static;
    transform: none !important;
    opacity: 1;
    pointer-events: all;
    box-shadow: none;
    background: rgba(255,255,255,0.03);
    border: none;
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    display: none;
    min-width: auto;
  }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .nav-toggle { display: flex; }
  .header-actions .btn-outline { display: none; }
  .hero { min-height: auto; padding: calc(var(--header-h) + 44px) 0 64px; }
  .hero-stats { gap: 32px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .case-pra { grid-template-columns: 1fr; }
  .case-header { flex-direction: column; }
  .case-metric { text-align: left; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { margin-top: 48px; padding-top: 32px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .cta-buttons { flex-direction: column; align-items: center; }
}