/* ─── TOKENS ─── */
:root {
  --ink:         #0b0f1a;
  --deep:        #111827;
  --accent:      #1a6cf6;
  --accent-soft: #3b82f6;
  --gold:        #e8c36a;
  --gold-light:  #f5d78a;
  --glass:       rgba(255,255,255,0.06);
  --border:      rgba(255,255,255,0.1);
  --text-muted:  #8a9bbf;
  --text-light:  #e4eaff;
  --text-white:  #ffffff;
  --text-green:  #6ee7b7;
  --text-blue:   #93bbfd;
  --text-purple: #c4b5fd;
  --text-orange: #fdba74;
  --text-pink:   #f9a8d4;
  --win-blue:    #7dd3fc;
  --win-blue-lt: #bae6fd;
  --ubu-orange:  #fca47a;
  --ubu-orange-lt: #fed7aa;
  --dot-red:     #ff6060;
  --dot-yellow:  #ffc360;
  --dot-green:   #60c060;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Helvetica', sans-serif;
  background: var(--ink);
  color: var(--text-light);
  overflow-x: hidden;
}

/* ─── NOISE OVERLAY ─── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0;
}

/* ─── NAVBAR ─── */
.navbar {
  background: rgba(11,15,26,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky; top: 0; z-index: 100;
}
.navbar-brand {
  font-family: 'Helvetica', serif;
  font-size: 1.7rem;
  color: var(--text-white) !important;
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 0.6rem;
}
.logo-mark {
  width: 140px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--text-white);
}
.logo-mark-sm {
  width: 32px; height: 32px;
  font-size: 0.9rem;
}
.nav-link {
  color: var(--text-muted) !important;
  font-weight: 500; font-size: 0.92rem;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text-white) !important; }
.btn-nav {
  background: var(--accent);
  color: var(--text-white) !important;
  border-radius: 8px;
  padding: 0.45rem 1.2rem;
  font-weight: 600; font-size: 0.9rem;
  border: none; transition: box-shadow 0.2s, transform 0.2s;
}
.btn-nav:hover {
  box-shadow: 0 0 24px rgba(26,108,246,0.5);
  transform: translateY(-1px);
}
.navbar-toggler-icon-custom { color: var(--text-white); }

/* ─── HERO ─── */
.hero {
  min-height: 92vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 5rem 0 4rem;
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(26,108,246,0.18) 0%, transparent 70%);
  top: -150px; right: -100px;
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(232,195,106,0.08) 0%, transparent 70%);
  bottom: 0; left: -80px;
  pointer-events: none;
}
.badge-pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(26,108,246,0.15);
  border: 1px solid rgba(26,108,246,0.3);
  color: var(--text-blue);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.7s ease both;
}
.badge-pill-icon { color: var(--text-green); }
.badge-pill-icon-blue { color: var(--text-blue); }

.hero h1 {
  font-family: 'Helvetica', serif;
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-white);
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero h1 .highlight {
  color: transparent;
  background: linear-gradient(90deg, var(--accent-soft), #93c5fd);
  -webkit-background-clip: text; background-clip: text;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 580px;
  margin: 1.5rem 0 2.5rem;
  animation: fadeUp 0.8s 0.2s ease both;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.8rem;
  animation: fadeUp 0.8s 0.3s ease both;
}

/* ─── BUTTONS ─── */
.btn-primary-x {
  background: var(--accent);
  color: var(--text-white);
  border: none;
  padding: 0.8rem 1.8rem;
  border-radius: 10px;
  font-size: 0.95rem; font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 4px 20px rgba(26,108,246,0.35);
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary-x:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,108,246,0.5);
  color: var(--text-white);
}
.btn-outline-x {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border);
  padding: 0.8rem 1.8rem;
  border-radius: 10px;
  font-size: 0.95rem; font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-outline-x:hover {
  background: var(--glass);
  border-color: rgba(255,255,255,0.25);
  color: var(--text-white);
}
.btn-gold-x {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--ink);
  border: none;
  padding: 0.8rem 1.8rem;
  border-radius: 10px;
  font-size: 0.95rem; font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-gold-x:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,195,106,0.4);
  color: var(--ink);
}

/* ─── HERO VISUAL ─── */
.hero-visual {
  position: relative;
  animation: fadeUp 0.9s 0.35s ease both;
}
.doc-card {
  background: linear-gradient(145deg, #141c2e, #1a2540);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.6rem;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
}
.doc-header {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.doc-dot { width: 10px; height: 10px; border-radius: 50%; }
.doc-dot-red    { background: var(--dot-red); }
.doc-dot-yellow { background: var(--dot-yellow); }
.doc-dot-green  { background: var(--dot-green); }
.doc-filename { margin-left: 0.5rem; font-size: 0.78rem; color: var(--text-muted); }

.doc-line {
  height: 8px; border-radius: 4px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 0.5rem;
}
.doc-line-80  { width: 80%; }
.doc-line-60  { width: 60%; }
.doc-line-90  { width: 90%; }
.doc-line-50  { width: 50%; margin-top: 0.4rem; }
.doc-line-75  { width: 75%; }
.doc-line-40  { width: 40%; }

.doc-sig-area {
  margin-top: 1.4rem;
  background: rgba(26,108,246,0.08);
  border: 1.5px dashed rgba(26,108,246,0.3);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}
.sig-stamp {
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.3rem;
}
.sig-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), #60a5fa);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--text-white);
  box-shadow: 0 0 18px rgba(26,108,246,0.5);
  animation: pulse 2s infinite;
}
.sig-text { font-size: 0.75rem; color: var(--text-muted); }
.verified-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--text-green);
  padding: 0.3rem 0.7rem; border-radius: 6px;
  font-size: 0.72rem; font-weight: 600;
  margin-top: 0.6rem;
}
.doc-footer-row {
  margin-top: 1rem;
  display: flex; justify-content: space-between; align-items: center;
}
.doc-footer-label { font-size: 0.72rem; color: var(--text-muted); }
.doc-footer-enc   { font-size: 0.72rem; color: var(--text-green); }

.floating-tag {
  position: absolute;
  background: linear-gradient(145deg, #1a2540, #202d4a);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 1rem;
  font-size: 0.78rem;
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
  display: flex; align-items: center; gap: 0.5rem;
  z-index: 2;
}
.tag-1 { top: -20px; left: -50px; animation: float 4s ease-in-out infinite; }
.tag-2 { bottom: 30px; right: -60px; animation: float 4s 1s ease-in-out infinite; }
.tag-icon-green { color: var(--text-green); }
.tag-icon-blue  { color: var(--text-blue); }
.tag-label { color: var(--text-light); font-weight: 600; }

/* ─── SECTIONS ─── */
.section { padding: 6rem 0; position: relative; z-index: 1; }
.section-label {
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 0.8rem;
  display: inline-block;
}
.section-title {
  font-family: 'Helvetica', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--text-white);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.section-body {
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 1.02rem;
}
.section-body-strong { color: var(--text-light); }
.section-body-em     { color: var(--text-blue); }
.section-subtitle {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
}

/* ─── DIVIDER ─── */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ─── FEATURES ─── */
.features-bg {
  background: linear-gradient(180deg, var(--deep) 0%, var(--ink) 100%);
}
.feature-card {
  background: linear-gradient(145deg, rgba(20,28,46,0.8), rgba(26,37,64,0.6));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.8rem;
  height: 100%;
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(26,108,246,0.3);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 30px rgba(26,108,246,0.08);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1.2rem;
}
.fi-blue   { background: rgba(26,108,246,0.15); }
.fi-green  { background: rgba(16,185,129,0.12); }
.fi-gold   { background: rgba(232,195,106,0.12); }
.fi-purple { background: rgba(167,139,250,0.12); }
.fi-orange { background: rgba(251,146,60,0.12); }
.fi-pink   { background: rgba(236,72,153,0.12); }

.ic-blue   { color: var(--text-blue); }
.ic-green  { color: var(--text-green); }
.ic-gold   { color: var(--gold); }
.ic-purple { color: var(--text-purple); }
.ic-orange { color: var(--text-orange); }
.ic-pink   { color: var(--text-pink); }

.feature-card h5 {
  font-family: 'Helvetica', serif;
  font-size: 1.15rem; color: var(--text-white);
  margin-bottom: 0.7rem;
}
.feature-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ─── VISION / MISSION ─── */
.vm-card {
  background: linear-gradient(145deg, rgba(26,108,246,0.08), rgba(26,108,246,0.02));
  border: 1px solid rgba(26,108,246,0.2);
  border-radius: 20px;
  padding: 2.8rem;
  height: 100%;
  position: relative; overflow: hidden;
}
.vm-card.mission {
  background: linear-gradient(145deg, rgba(232,195,106,0.07), rgba(232,195,106,0.01));
  border-color: rgba(232,195,106,0.2);
}
.vm-card::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  bottom: -80px; right: -60px;
}
.vm-card:first-child::after {
  background: radial-gradient(circle, rgba(26,108,246,0.1), transparent);
}
.vm-card.mission::after {
  background: radial-gradient(circle, rgba(232,195,106,0.1), transparent);
}
.vm-number {
  font-family: 'Helvetica', serif;
  font-size: 5rem; line-height: 1;
  opacity: 0.07; color: var(--accent);
  position: absolute; top: 1rem; right: 1.5rem;
}
.vm-number-gold { color: var(--gold); }
.vm-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1.4rem;
  background: rgba(26,108,246,0.15);
}
.vm-card.mission .vm-icon { background: rgba(232,195,106,0.15); }
.vm-card h3 {
  font-family: 'Helvetica', serif;
  font-size: 1.6rem; color: var(--text-white); margin-bottom: 1rem;
}
.vm-card p { color: var(--text-muted); line-height: 1.85; font-size: 1rem; }

/* ─── DOWNLOADS ─── */
.download-section { background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%); }
.os-card {
  background: linear-gradient(145deg, #141c2e, #1a2540);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.4rem;
  height: 100%;
  transition: all 0.3s ease;
  position: relative; overflow: hidden;
}
.os-card:hover { transform: translateY(-5px); box-shadow: 0 24px 60px rgba(0,0,0,0.4); }
.os-card.windows:hover { border-color: rgba(0,164,239,0.4); box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 40px rgba(0,164,239,0.08); }
.os-card.ubuntu:hover  { border-color: rgba(233,84,32,0.4);  box-shadow: 0 24px 60px rgba(0,0,0,0.4), 0 0 40px rgba(233,84,32,0.08); }
.os-logo {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; margin-bottom: 1.4rem;
}
.os-logo.win { background: rgba(0,164,239,0.12); }
.os-logo.ubu { background: rgba(233,84,32,0.12); }
.os-card h4 {
  font-family: 'Helvetica', serif;
  font-size: 1.5rem; color: var(--text-white); margin-bottom: 0.3rem;
}
.os-version { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1.4rem; }
.os-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.6rem; }
.os-tag {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.25rem 0.7rem;
  border-radius: 6px; font-size: 0.78rem;
}
.os-divider { height: 1px; background: var(--border); margin: 1.4rem 0; }
.pkg-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.pkg-row:last-child { border-bottom: none; }
.pkg-info { display: flex; align-items: center; gap: 0.7rem; }
.pkg-icon { font-size: 1rem; width: 20px; text-align: center; }
.pkg-name { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }
.pkg-size { font-size: 0.75rem; color: var(--text-muted); }
.btn-dl-win {
  background: rgba(0,164,239,0.15);
  border: 1px solid rgba(0,164,239,0.35);
  color: var(--win-blue);
  padding: 0.35rem 0.9rem;
  border-radius: 7px; font-size: 0.8rem; font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.4rem;
  transition: all 0.2s;
}
.btn-dl-win:hover { background: rgba(0,164,239,0.28); color: var(--win-blue-lt); }
.btn-dl-ubu {
  background: rgba(233,84,32,0.15);
  border: 1px solid rgba(233,84,32,0.35);
  color: var(--ubu-orange);
  padding: 0.35rem 0.9rem;
  border-radius: 7px; font-size: 0.8rem; font-weight: 600;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.4rem;
  transition: all 0.2s;
}
.btn-dl-ubu:hover { background: rgba(233,84,32,0.28); color: var(--ubu-orange-lt); }
.os-cta-btn {
  width: 100%; padding: 0.85rem;
  border-radius: 10px; font-size: 0.95rem; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.25s;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  text-decoration: none; margin-top: 1rem;
}
.os-cta-win {
  background: linear-gradient(135deg, #0078d4, #00adef);
  color: var(--text-white);
  box-shadow: 0 4px 20px rgba(0,120,212,0.3);
}
.os-cta-win:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,120,212,0.5); color: var(--text-white); }
.os-cta-ubu {
  background: linear-gradient(135deg, #e84320, #f4722b);
  color: var(--text-white);
  box-shadow: 0 4px 20px rgba(233,84,32,0.3);
}
.os-cta-ubu:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(233,84,32,0.5); color: var(--text-white); }
.corner-glow {
  position: absolute; width: 180px; height: 180px;
  border-radius: 50%; bottom: -70px; right: -50px;
  pointer-events: none;
}
.os-card.windows .corner-glow { background: radial-gradient(circle, rgba(0,164,239,0.1), transparent); }
.os-card.ubuntu  .corner-glow { background: radial-gradient(circle, rgba(233,84,32,0.1),  transparent); }
.req-row { display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.4rem; }
.req-row i { margin-top: 3px; font-size: 0.7rem; }
.req-row span { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* ─── CTA ─── */
.cta-section {
  background: linear-gradient(135deg, rgba(26,108,246,0.12) 0%, rgba(11,15,26,0) 60%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-inner {
  background: linear-gradient(145deg, rgba(20,28,46,0.9), rgba(17,24,39,0.9));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4rem;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.cta-inner h2 {
  font-family: 'Helvetica', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--text-white); margin-bottom: 1rem;
}
.cta-inner p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 2rem; }
.cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; }

/* ─── FOOTER ─── */
footer {
  background: var(--deep);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  position: relative; z-index: 1;
}
.footer-brand {
  font-family: 'Helvetica', serif;
  font-size: 1.4rem; color: var(--text-white);
  display: flex; align-items: center; gap: 0.5rem;
}
.footer-desc { max-width: 320px; }
footer p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }
.footer-heading { color: var(--text-light); font-weight: 600; margin-bottom: 0.8rem; }
.footer-link { color: var(--text-muted); text-decoration: none; }
.footer-link:hover { color: var(--text-white); }
.footer-copy {
  color: #4a5568; font-size: 0.82rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

/* ─── STATS ─── */
.stat-bar {
  background: linear-gradient(145deg, rgba(20,28,46,0.7), rgba(17,24,39,0.7));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: 'Helvetica', serif;
  font-size: 2.2rem; color: var(--text-white); line-height: 1;
}
.stat-label { color: var(--text-muted); font-size: 0.82rem; margin-top: 0.3rem; }

/* ─── CUSTOM REPLACEMENTS FOR INLINE STYLES (CSP COMPLIANCE) ─── */
.hero-container {
  z-index: 1;
}

.code-block {
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  max-height: 400px;
  line-height: 1.6;
  text-align: left;
}

.table-custom thead tr {
  border-bottom: 2px solid var(--border);
}

.table-custom tbody tr {
  border-bottom: 1px solid var(--border);
}

.table-custom tbody tr:last-child {
  border-bottom: none;
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 18px rgba(26,108,246,0.5); }
  50%       { box-shadow: 0 0 30px rgba(26,108,246,0.8); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero { padding: 3rem 0; }
  .cta-inner { padding: 2.5rem 1.5rem; }
  .tag-1, .tag-2 { display: none; }
}