/* ==========================================================
   TEKYNOD V2 — "Swiss Precision Tech"
   Premium dark UI with glass morphism, animated gradients,
   scroll reveals, and micro-interactions.
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  --c-bg:        #06080f;
  --c-surface:   #0b0f1a;
  --c-surface-2: #111827;
  --c-border:    rgba(148,163,184,0.12);
  --c-border-hi: rgba(148,163,184,0.28);
  --c-text:      #e2e8f0;
  --c-text-dim:  #8892a4;
  --c-text-xdim: #5b6478;
  --c-accent:    #00b4d8;
  --c-accent-2:  #f97316;
  --c-accent-glow: rgba(0,180,216,0.35);
  --c-warm:      #6f4120;
  --c-warm-soft: rgba(111,65,32,0.35);
  --font-head:   'Outfit', sans-serif;
  --font-body:   'DM Sans', sans-serif;
  --radius-sm:   10px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.03) inset;
  --shadow-glow: 0 0 40px var(--c-accent-glow);
  --transition:  0.3s cubic-bezier(0.4,0,0.2,1);

  /* Mesh & dot grid (overridden by light) */
  --mesh-1: rgba(0,180,216,0.07);
  --mesh-2: rgba(249,115,22,0.05);
  --mesh-3: rgba(15,23,42,0.8);
  --dot-grid: rgba(148,163,184,0.06);

  /* Card / glass surfaces */
  --glass-bg:   linear-gradient(160deg, rgba(11,15,26,0.9), rgba(6,8,15,0.85));
  --glass-bg-2: linear-gradient(145deg, rgba(11,15,26,0.95), rgba(11,15,26,0.8));
  --glass-solid: rgba(11,15,26,0.9);
  --glass-header: rgba(11,15,26,0.82);
  --glass-header-scroll: rgba(6,8,15,0.95);
  --input-bg: rgba(6,8,15,0.8);

  /* Accent pill backgrounds */
  --accent-bg: rgba(0,180,216,0.08);
  --accent-border: rgba(0,180,216,0.2);
  --green-glow: rgba(34,197,94,0.4);
  --icon-bg: rgba(0,180,216,0.06);
  --icon-border: rgba(0,180,216,0.15);
  --icon-hover-bg: rgba(0,180,216,0.12);
  --icon-hover-border: rgba(0,180,216,0.3);
  --card-shine: rgba(0,180,216,0.4);
  --btn-primary-shadow: rgba(0,180,216,0.3);

  color-scheme: dark;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --c-bg:        #f4f6fa;
  --c-surface:   #ffffff;
  --c-surface-2: #eef1f6;
  --c-border:    rgba(0,0,0,0.08);
  --c-border-hi: rgba(0,0,0,0.15);
  --c-text:      #1a1d27;
  --c-text-dim:  #55596b;
  --c-text-xdim: #8b90a0;
  --c-accent:    #0090b0;
  --c-accent-2:  #d96a10;
  --c-accent-glow: rgba(0,144,176,0.2);
  --c-warm:      #a0632e;
  --c-warm-soft: rgba(160,99,46,0.12);

  --shadow-card: 0 4px 24px rgba(0,0,0,0.06), 0 1px 0 rgba(255,255,255,0.8) inset;
  --shadow-glow: 0 0 30px rgba(0,144,176,0.15);

  --mesh-1: rgba(0,144,176,0.05);
  --mesh-2: rgba(217,106,16,0.03);
  --mesh-3: rgba(244,246,250,0.6);
  --dot-grid: rgba(0,0,0,0.03);

  --glass-bg:   linear-gradient(160deg, rgba(255,255,255,0.95), rgba(248,250,252,0.9));
  --glass-bg-2: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(248,250,252,0.92));
  --glass-solid: rgba(255,255,255,0.95);
  --glass-header: rgba(255,255,255,0.82);
  --glass-header-scroll: rgba(255,255,255,0.96);
  --input-bg: rgba(248,250,252,0.9);

  --accent-bg: rgba(0,144,176,0.06);
  --accent-border: rgba(0,144,176,0.18);
  --green-glow: rgba(34,197,94,0.25);
  --icon-bg: rgba(0,144,176,0.06);
  --icon-border: rgba(0,144,176,0.12);
  --icon-hover-bg: rgba(0,144,176,0.1);
  --icon-hover-border: rgba(0,144,176,0.22);
  --card-shine: rgba(0,144,176,0.25);
  --btn-primary-shadow: rgba(0,144,176,0.2);

  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, var(--mesh-1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 80%, var(--mesh-2) 0%, transparent 50%),
    radial-gradient(ellipse 90% 70% at 50% 50%, var(--mesh-3) 0%, transparent 100%);
  animation: meshShift 25s ease-in-out infinite alternate;
  transition: background 0.6s ease;
}

body::after {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background-image: radial-gradient(circle, var(--dot-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  transition: background-image 0.6s ease;
}

@keyframes meshShift {
  0%   { opacity: 1; }
  50%  { opacity: 0.6; }
  100% { opacity: 1; }
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--c-accent); color: #fff; }

.page-wrap {
  min-height: 100vh;
  padding: 16px 20px 64px;
  display: flex; flex-direction: column; align-items: center;
}

.page-inner { width: 100%; max-width: 1160px; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.08s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.16s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.24s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.32s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.40s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.48s; }
.reveal-stagger.visible > *:nth-child(9) { transition-delay: 0.56s; }
.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); }

/* ===== HEADER ===== */
.tk-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 10px 18px; margin-bottom: 24px;
  border-radius: var(--radius-pill);
  background: var(--glass-header);
  border: 1px solid var(--c-border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 1px 0 rgba(255,255,255,0.03) inset;
  position: sticky; top: 12px; z-index: 100;
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  transition: background var(--transition), box-shadow var(--transition);
}
.tk-header:hover { background: var(--glass-header-scroll); }

.tk-logo { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.tk-logo-mark { height: 40px; width: auto; display: block; }
.tk-logo-text-main { font-family: var(--font-head); font-weight: 700; letter-spacing: 0.1em; font-size: 0.9rem; text-transform: uppercase; }
.tk-logo-text-sub { font-size: 0.65rem; color: var(--c-text-dim); text-transform: uppercase; letter-spacing: 0.18em; }
.tk-logo-y { height: 40px; width: auto; display: block; }
.tk-logo-img { height: 55px; width: auto; display: block; }

.tk-nav { display: flex; align-items: center; gap: 16px; font-size: 0.78rem; flex-wrap: wrap; justify-content: flex-end; }
.tk-nav-links { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.tk-nav-link {
  color: var(--c-text-dim); padding: 4px 0; position: relative; white-space: nowrap;
  font-family: var(--font-body); font-weight: 500; letter-spacing: 0.02em;
  transition: color var(--transition);
}
.tk-nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; width: 0; height: 2px;
  background: var(--c-accent); border-radius: 2px;
  transition: width 0.3s ease, left 0.3s ease;
}
.tk-nav-link:hover { color: #fff; }
.tk-nav-link:hover::after { width: 100%; left: 0; }
.tk-nav-link span.dot { width: 5px; height: 5px; border-radius: var(--radius-pill); background: var(--c-accent); position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%); opacity: 0; transition: opacity 0.15s ease; }
.tk-nav-link.active { color: #fff; font-weight: 600; }
.tk-nav-link.active::after { width: 100%; left: 0; }

.btn-nav {
  padding: 8px 14px; border-radius: var(--radius-pill);
  border: 1px solid var(--c-border-hi);
  font-size: 0.75rem; font-family: var(--font-head); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--c-text-dim); background: var(--glass-solid);
  cursor: pointer; transition: all var(--transition);
}
.btn-nav:hover {
  background: var(--c-accent); color: #fff; border-color: var(--c-accent);
  box-shadow: var(--shadow-glow); transform: translateY(-1px);
}

.tk-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.tk-burger span { width: 26px; height: 2.5px; background: var(--c-text); border-radius: var(--radius-pill); transition: 0.3s ease; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-pill); border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--c-accent), #0088a3);
  color: #fff; font-family: var(--font-head); font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 20px var(--btn-primary-shadow), 0 1px 0 rgba(255,255,255,0.1) inset;
  transition: all var(--transition); text-decoration: none; position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
  transform: translateX(-100%); transition: transform 0.6s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--btn-primary-shadow), 0 1px 0 rgba(255,255,255,0.15) inset; }
.btn-primary:hover::before { transform: translateX(100%); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 20px; border-radius: var(--radius-pill);
  border: 1px solid var(--c-border-hi);
  background: rgba(11,15,26,0.6); color: var(--c-text-dim);
  font-family: var(--font-head); font-size: 0.88rem; font-weight: 500;
  cursor: pointer; text-decoration: none; transition: all var(--transition);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: var(--accent-bg); border-color: var(--c-accent); color: var(--c-text);
  box-shadow: 0 0 20px rgba(0,180,216,0.1);
}

/* ===== HERO ===== */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
  gap: 32px; align-items: center; margin-bottom: 48px; margin-top: 20px;
}
.hero-text {
  padding: 32px 30px 34px; border-radius: var(--radius-xl);
  background: var(--glass-bg-2);
  border: 1px solid var(--c-border); box-shadow: var(--shadow-card);
  position: relative; overflow: hidden; backdrop-filter: blur(12px);
}
.hero-text::before {
  content: ''; position: absolute; top: -50%; left: -30%; width: 80%; height: 120%;
  background: radial-gradient(ellipse, var(--c-warm-soft) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.hero-text > * { position: relative; z-index: 1; }

.hero-pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  color: var(--c-accent); font-family: var(--font-head); font-size: 0.75rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 18px;
}
.hero-pill-dot {
  width: 7px; height: 7px; border-radius: var(--radius-pill); background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.2), 0 0 12px rgba(34,197,94,0.4);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34,197,94,0.2), 0 0 12px rgba(34,197,94,0.4); }
  50%      { box-shadow: 0 0 0 8px rgba(34,197,94,0.08), 0 0 20px rgba(34,197,94,0.2); }
}

.hero-title {
  font-family: var(--font-head); font-size: clamp(2rem, 3.2vw, 2.8rem);
  line-height: 1.1; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.02em;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--c-accent) 0%, #38bdf8 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-subtitle { font-size: 1rem; color: var(--c-text-dim); margin-bottom: 22px; max-width: 36rem; line-height: 1.7; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.hero-badge {
  font-family: var(--font-head); font-size: 0.73rem; font-weight: 500;
  padding: 5px 12px; border-radius: var(--radius-pill);
  border: 1px solid var(--c-border); color: var(--c-text-dim);
  background: var(--glass-solid); transition: all var(--transition);
}
.hero-badge:hover { border-color: var(--c-accent); color: var(--c-accent); background: rgba(0,180,216,0.05); }

.hero-cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 8px; }
.hero-cta-note { font-size: 0.8rem; color: var(--c-text-xdim); margin-top: 6px; }
.hero-cta-note a { color: var(--c-accent); text-decoration: underline; text-decoration-color: rgba(0,180,216,0.3); text-underline-offset: 2px; transition: text-decoration-color var(--transition); }
.hero-cta-note a:hover { text-decoration-color: var(--c-accent); }

.hero-meta { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.8rem; color: var(--c-text-dim); }
.hero-meta span.dot { width: 4px; height: 4px; border-radius: 50%; background: var(--c-text-xdim); display: inline-block; margin: 0 4px; }

/* HERO VISUAL */
.hero-visual {
  border-radius: var(--radius-xl); padding: 22px 20px 24px;
  border: 1px solid var(--c-border); box-shadow: var(--shadow-card);
  position: relative; overflow: hidden;
  background: var(--glass-bg);
}
.hero-visual::before {
  content: ''; position: absolute; inset: -2px; border-radius: var(--radius-xl);
  background: conic-gradient(from 0deg, var(--c-accent), var(--c-accent-2), var(--c-accent), transparent, transparent);
  z-index: -1; animation: borderSpin 8s linear infinite; opacity: 0.35;
}
@keyframes borderSpin { to { transform: rotate(360deg); } }

.hero-visual-title {
  font-family: var(--font-head); font-size: 0.88rem; font-weight: 500;
  color: var(--c-text-dim); margin-bottom: 14px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.pill-mini {
  font-family: var(--font-head); font-size: 0.68rem; font-weight: 600;
  padding: 3px 10px; border-radius: var(--radius-pill);
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  color: var(--c-accent); text-transform: uppercase; letter-spacing: 0.06em;
}

.hero-domains { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 6px; }
.hero-domain {
  border-radius: var(--radius-md); padding: 12px 12px 14px;
  background: var(--glass-solid); border: 1px solid var(--c-border);
  font-size: 0.8rem; transition: all var(--transition);
}
.hero-domain:hover { border-color: var(--c-border-hi); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }

.hero-domain-title { font-family: var(--font-head); font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 7px; }
.hero-domain-marker { width: 8px; height: 8px; border-radius: var(--radius-pill); background: var(--c-accent-2); box-shadow: 0 0 8px rgba(249,115,22,0.4); }
.hero-domain-marker.blue { background: var(--c-accent); box-shadow: 0 0 8px var(--c-accent-glow); }
.hero-domain-marker.green { background: #22c55e; box-shadow: 0 0 8px var(--green-glow); }

.hero-domain-list { list-style: none; padding-left: 0; color: var(--c-text-dim); }
.hero-domain-list li { margin-bottom: 2px; font-size: 0.78rem; }
.hero-visual-footer { margin-top: 14px; font-size: 0.75rem; color: var(--c-text-xdim); line-height: 1.5; }

/* ===== SECTIONS ===== */
.section { margin-bottom: 56px; }
.section-header { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; max-width: 48rem; }
.section-kicker { font-family: var(--font-head); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.18em; color: var(--c-accent); }
.section-title { font-family: var(--font-head); font-size: 1.65rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.section-title span { background: linear-gradient(135deg, var(--c-accent) 0%, #38bdf8 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-subtitle { font-size: 0.95rem; color: var(--c-text-dim); line-height: 1.7; }
.section-subtitle a { color: var(--c-accent); }

/* ===== GRIDS & CARDS ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }

.card {
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--c-border); padding: 22px 20px 24px;
  box-shadow: var(--shadow-card); position: relative; overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1); backdrop-filter: blur(8px);
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-shine), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.card:hover { border-color: var(--c-border-hi); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 30px rgba(0,180,216,0.06); }
.card:hover::before { opacity: 1; }
.card-compact { padding: 18px 18px 20px; }

.card-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--icon-bg); border: 1px solid var(--icon-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem; margin-bottom: 12px; transition: all var(--transition);
}
.card:hover .card-icon { background: var(--icon-hover-bg); border-color: var(--icon-hover-border); box-shadow: 0 0 16px rgba(0,180,216,0.15); }

.card-label { font-family: var(--font-head); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; color: var(--c-accent); margin-bottom: 6px; }
.card-title { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
.card-title a { color: inherit; transition: color var(--transition); }
.card-title a:hover { color: var(--c-accent); }
.card-text { font-size: 0.88rem; color: var(--c-text-dim); line-height: 1.6; }
.card-text a { color: var(--c-accent); }

.card-list { margin-top: 10px; padding-left: 0; list-style: none; font-size: 0.85rem; color: var(--c-text-dim); }
.card-list li { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 5px; line-height: 1.5; }
.card-list li::before {
  content: ''; width: 6px; height: 6px; min-width: 6px; border-radius: var(--radius-pill);
  background: var(--c-accent); margin-top: 7px; box-shadow: 0 0 6px rgba(0,180,216,0.3);
}

.card-link, .link-inline {
  display: inline-flex; align-items: center; gap: 4px; font-size: 0.82rem;
  margin-top: 10px; color: var(--c-accent); font-weight: 500;
  transition: gap var(--transition), color var(--transition);
}
.card-link:hover, .link-inline:hover { gap: 8px; color: #38bdf8; }

/* ===== BAND / UNIFIED ===== */
.band-unified {
  border-radius: var(--radius-xl); padding: 28px 26px 30px;
  background: var(--glass-bg-2);
  border: 1px solid var(--c-border); box-shadow: var(--shadow-card);
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: 24px; align-items: center; position: relative; overflow: hidden;
}
.band-unified::before {
  content: ''; position: absolute; top: -40%; left: -20%; width: 70%; height: 120%;
  background: radial-gradient(ellipse, rgba(0,180,216,0.1) 0%, transparent 65%); pointer-events: none;
}
.band-title { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; position: relative; letter-spacing: -0.01em; }
.band-text { font-size: 0.93rem; color: var(--c-text-dim); margin-bottom: 12px; position: relative; line-height: 1.7; }
.band-list { font-size: 0.87rem; color: var(--c-text-dim); list-style: none; padding-left: 0; margin-bottom: 12px; position: relative; }
.band-list li { margin-bottom: 5px; padding-left: 16px; position: relative; }
.band-list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: var(--radius-pill); background: var(--c-accent); box-shadow: 0 0 6px var(--c-accent-glow); }
.band-meta { font-size: 0.8rem; color: var(--c-text-xdim); position: relative; }

.band-side {
  border-radius: var(--radius-md); border: 1px solid var(--c-border);
  background: var(--glass-solid); padding: 16px 16px 18px;
  font-size: 0.85rem; color: var(--c-text-dim); backdrop-filter: blur(8px);
}
.band-side-pill {
  font-family: var(--font-head); font-size: 0.72rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  color: var(--c-accent); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em;
}
.band-side-pill span { width: 7px; height: 7px; border-radius: var(--radius-pill); background: #22c55e; box-shadow: 0 0 8px var(--green-glow); }

/* ===== TAGS & WHY ===== */
.tag {
  display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px;
  border-radius: var(--radius-pill); font-family: var(--font-head);
  font-size: 0.73rem; font-weight: 600; border: 1px solid var(--c-border);
  color: var(--c-text-dim); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em;
}
.tag-dot { width: 6px; height: 6px; border-radius: var(--radius-pill); background: var(--c-accent); box-shadow: 0 0 6px var(--c-accent-glow); }

.why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.why-item {
  border-radius: var(--radius-md); border: 1px solid var(--c-border);
  background: var(--glass-bg);
  padding: 16px 16px 18px; font-size: 0.87rem; color: var(--c-text-dim);
  transition: all var(--transition);
}
.why-item:hover { border-color: var(--c-border-hi); transform: translateY(-2px); }
.why-title { font-family: var(--font-head); font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; color: var(--c-text); }

/* ===== CONTACT / FOOTER ===== */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr); gap: 24px; }
.contact-card {
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--c-border); padding: 22px 22px 24px;
  box-shadow: var(--shadow-card); font-size: 0.9rem; backdrop-filter: blur(8px);
}
.contact-form-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.contact-field { flex: 1 1 160px; display: flex; flex-direction: column; gap: 4px; font-size: 0.8rem; }
.contact-field label { color: var(--c-text-dim); font-family: var(--font-head); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.02em; }
.contact-field input, .contact-field textarea {
  border-radius: var(--radius-sm); border: 1px solid var(--c-border);
  background: var(--input-bg); padding: 9px 12px; color: var(--c-text);
  font-family: var(--font-body); font-size: 0.88rem; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-field input:focus, .contact-field textarea:focus { border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(0,180,216,0.1); }
.contact-field textarea { min-height: 90px; resize: vertical; }
.contact-small { font-size: 0.73rem; color: var(--c-text-xdim); margin-top: 6px; }

.contact-info {
  border-radius: var(--radius-lg); background: var(--glass-solid);
  border: 1px solid var(--c-border); padding: 18px 18px 20px;
  font-size: 0.87rem; color: var(--c-text-dim); backdrop-filter: blur(8px);
}
.contact-info-block { margin-bottom: 14px; }
.contact-info-label { font-family: var(--font-head); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: var(--c-accent); margin-bottom: 3px; }
.contact-info-value { color: var(--c-text); }
.contact-info a { color: var(--c-accent); transition: color var(--transition); }
.contact-info a:hover { color: #38bdf8; }
.reviews { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--c-border); font-size: 0.8rem; color: var(--c-text-dim); }

.mini-footer { margin-top: 36px; font-size: 0.75rem; color: var(--c-text-xdim); text-align: center; padding-top: 20px; border-top: 1px solid var(--c-border); }
.mini-footer p { margin-top: 10px; }
.mini-footer a { color: var(--c-text-dim); transition: color var(--transition); }
.mini-footer a:hover { color: var(--c-accent); }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--c-border); }
.footer-nav a { color: var(--c-text-dim); font-family: var(--font-head); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.02em; transition: color var(--transition); }
.footer-nav a:hover { color: var(--c-accent); }

/* ===== BREADCRUMB ===== */
.tk-breadcrumb { font-size: 0.84rem; color: var(--c-text-xdim); margin: 10px 0 20px; display: flex; align-items: center; gap: 7px; }
.tk-breadcrumb a { color: var(--c-text-dim); transition: color var(--transition); }
.tk-breadcrumb a:hover { color: var(--c-accent); }
.tk-breadcrumb span.separator { color: var(--c-text-xdim); opacity: 0.5; }

/* ===== MIGRATION LINUX ===== */
.hero-diagram { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 6px; }
.diagram-column { border-radius: var(--radius-md); padding: 12px 12px 14px; background: var(--glass-solid); border: 1px solid var(--c-border); }
.diagram-label { font-family: var(--font-head); font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 7px; }
.diagram-label .marker { width: 7px; height: 7px; border-radius: var(--radius-pill); background: var(--c-accent-2); }
.diagram-label .marker-green { background: #22c55e; }
.diagram-pill { font-family: var(--font-head); font-size: 0.73rem; font-weight: 500; padding: 4px 10px; border-radius: var(--radius-pill); background: var(--glass-solid); border: 1px solid var(--c-border); color: var(--c-text-dim); margin-bottom: 6px; display: inline-flex; align-items: center; gap: 6px; }
.diagram-arrow { font-size: 1.2rem; color: var(--c-accent); text-align: center; padding-top: 10px; }
.diagram-badge { font-size: 0.72rem; color: var(--c-text-xdim); margin-top: 8px; text-align: center; }
.hero-visual-footer-small { margin-top: 10px; font-size: 0.75rem; color: var(--c-text-xdim); }

/* TIMELINE */
.timeline { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.1fr); gap: 24px; align-items: flex-start; }
.timeline-steps { display: grid; gap: 12px; }
.timeline-step {
  display: grid; grid-template-columns: auto 1fr; gap: 12px;
  padding: 14px 14px 16px; border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--c-border); transition: all var(--transition);
}
.timeline-step:hover { border-color: var(--c-border-hi); transform: translateX(4px); }
.timeline-step-number {
  width: 28px; height: 28px; border-radius: var(--radius-pill);
  background: var(--accent-bg); border: 1px solid var(--accent-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 0.82rem; color: var(--c-accent); font-weight: 700;
}
.timeline-step-body-title { font-family: var(--font-head); font-size: 0.95rem; font-weight: 700; margin-bottom: 3px; }
.timeline-step-body-text { font-size: 0.86rem; color: var(--c-text-dim); }
.timeline-note { font-size: 0.8rem; color: var(--c-text-xdim); margin-top: 12px; }

.timeline-card {
  border-radius: var(--radius-md);
  background: var(--glass-bg-2);
  border: 1px solid var(--c-border); padding: 18px 16px 20px;
  box-shadow: var(--shadow-card); font-size: 0.87rem; color: var(--c-text-dim);
  position: relative; overflow: hidden;
}
.timeline-card::before { content: ''; position: absolute; top: -30%; right: -20%; width: 60%; height: 80%; background: radial-gradient(ellipse, rgba(0,180,216,0.1) 0%, transparent 60%); pointer-events: none; }
.timeline-card h3 { font-family: var(--font-head); font-size: 0.98rem; font-weight: 700; margin-bottom: 8px; color: var(--c-text); }
.timeline-card ul { list-style: none; padding-left: 0; }
.timeline-card li { margin-bottom: 4px; }
.timeline-card li strong { color: var(--c-text); }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.faq-item { border-radius: var(--radius-md); background: var(--glass-bg); border: 1px solid var(--c-border); padding: 16px 16px 18px; transition: all var(--transition); }
.faq-item:hover { border-color: var(--c-border-hi); }
.faq-q { font-family: var(--font-head); font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; color: var(--c-text); }
.faq-a { font-size: 0.85rem; color: var(--c-text-dim); line-height: 1.6; }
.faq-a a { color: var(--c-accent); }

/* CTA FINAL */
.cta-final {
  border-radius: var(--radius-xl); border: 1px solid var(--c-border);
  background: var(--glass-bg-2);
  padding: 28px 26px 30px;
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 24px; align-items: center; box-shadow: var(--shadow-card);
  position: relative; overflow: hidden;
}
.cta-final::before { content: ''; position: absolute; top: -50%; left: -20%; width: 70%; height: 130%; background: radial-gradient(ellipse, rgba(0,180,216,0.07) 0%, transparent 60%); pointer-events: none; }
.cta-final-title { font-family: var(--font-head); font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; position: relative; letter-spacing: -0.01em; }
.cta-final-text { font-size: 0.93rem; color: var(--c-text-dim); margin-bottom: 12px; position: relative; line-height: 1.7; }
.cta-final-text a { color: var(--c-accent); }
.cta-final-meta { font-size: 0.82rem; color: var(--c-text-dim); display: flex; flex-wrap: wrap; gap: 12px; position: relative; }
.cta-contact { border-radius: var(--radius-md); background: var(--glass-solid); border: 1px solid var(--c-border); padding: 16px 16px 18px; font-size: 0.86rem; color: var(--c-text-dim); backdrop-filter: blur(8px); }
.cta-contact-row { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.cta-contact-label { font-family: var(--font-head); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.68rem; font-weight: 700; color: var(--c-accent); }
.cta-contact-value { color: var(--c-text); font-size: 0.85rem; line-height: 1.6; }
.cta-contact-link { color: var(--c-accent); }
.cta-contact-link:hover { text-decoration: underline; }

/* ===== FORM MESSAGES ===== */
.tk-footer-message { margin-top: 0.75rem; font-size: 0.88rem; font-family: var(--font-head); border-radius: var(--radius-sm); padding: 0.5rem 0.9rem; display: none; }
.tk-footer-message--loading, .tk-footer-message--success, .tk-footer-message--error { display: block; }
.tk-footer-message--loading { background: var(--accent-bg); color: var(--c-accent); border: 1px solid var(--accent-border); }
.tk-footer-message--success { background: rgba(34,197,94,0.08); color: #22c55e; border: 1px solid rgba(34,197,94,0.2); }
.tk-footer-message--error { background: rgba(239,68,68,0.08); color: #ef4444; border: 1px solid rgba(239,68,68,0.2); }

.site-wrapper { opacity: 1; }
.site-wrapper.site-visible { opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1040px) { .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

@media (max-width: 960px) {
  .page-wrap { padding: 14px 12px 48px; }
  .tk-header { flex-wrap: wrap; border-radius: var(--radius-lg); align-items: flex-start; }
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { order: -1; }
  .band-unified { grid-template-columns: minmax(0, 1fr); }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline { grid-template-columns: minmax(0, 1fr); }
  .cta-final { grid-template-columns: minmax(0, 1fr); }
  .hero-diagram { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 720px) {
  .tk-nav { flex-direction: column; align-items: flex-start; }
  .grid-3, .grid-2, .why-grid, .faq-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-text { padding: 22px 18px 24px; }
  .hero-visual { padding: 16px 14px 18px; }
  .hero-domains { grid-template-columns: minmax(0, 1fr); }
  .cta-final { padding: 20px 18px 22px; }
  .section { margin-bottom: 40px; }
  .tk-burger { display: flex; }
  .tk-nav { width: 100%; display: none; padding-top: 12px; animation: fadeIn 0.25s ease forwards; }
  .tk-nav.open { display: flex; }
  .tk-nav-links, .tk-nav-cta { width: 100%; flex-direction: column; align-items: flex-start; gap: 10px; }
  .tk-nav-link { font-size: 1rem; padding: 8px 0; }
  .btn-nav { width: 100%; text-align: center; }
}

@media (max-width: 768px) { .hide-on-mobile { display: none !important; } }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.tk-burger.active span:nth-child(1) { transform: rotate(45deg) translateY(8px); }
.tk-burger.active span:nth-child(2) { opacity: 0; }
.tk-burger.active span:nth-child(3) { transform: rotate(-45deg) translateY(-8px); }

/* ===== THEME TOGGLE BUTTON ===== */
.tk-theme-toggle {
  width: 38px; height: 38px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border-hi);
  background: var(--glass-solid);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.tk-theme-toggle:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-glow);
  transform: scale(1.08);
}

.tk-theme-toggle:active {
  transform: scale(0.95);
}

/* Icons */
.tk-theme-toggle .icon-sun,
.tk-theme-toggle .icon-moon {
  position: absolute;
  width: 18px; height: 18px;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.3s ease;
}

.tk-theme-toggle .icon-sun {
  color: var(--c-accent-2);
}

.tk-theme-toggle .icon-moon {
  color: var(--c-accent);
}

/* Dark mode (default): show moon, hide sun */
.tk-theme-toggle .icon-moon {
  opacity: 1; transform: rotate(0deg) scale(1);
}
.tk-theme-toggle .icon-sun {
  opacity: 0; transform: rotate(-90deg) scale(0.5);
}

/* Light mode: show sun, hide moon */
[data-theme="light"] .tk-theme-toggle .icon-moon {
  opacity: 0; transform: rotate(90deg) scale(0.5);
}
[data-theme="light"] .tk-theme-toggle .icon-sun {
  opacity: 1; transform: rotate(0deg) scale(1);
}

/* ===== LIGHT THEME SPECIFIC OVERRIDES ===== */

/* Body & global transitions */
body, body::before, body::after,
.tk-header, .card, .band-unified, .cta-final,
.hero-text, .hero-visual, .hero-domain,
.contact-card, .contact-info, .band-side,
.cta-contact, .faq-item, .why-item,
.timeline-step, .timeline-card, .diagram-column {
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition);
}

/* Light: header */
[data-theme="light"] .tk-header {
  box-shadow: 0 4px 24px rgba(0,0,0,0.06), 0 1px 0 rgba(255,255,255,0.6) inset;
}

/* Light: hero gradient glow */
[data-theme="light"] .hero-text::before {
  background: radial-gradient(ellipse, rgba(0,144,176,0.06) 0%, transparent 70%);
}

/* Light: hero-visual rotating border more subtle */
[data-theme="light"] .hero-visual::before {
  opacity: 0.15;
}

/* Light: card hover */
[data-theme="light"] .card:hover {
  box-shadow: 0 12px 36px rgba(0,0,0,0.08), 0 0 20px rgba(0,144,176,0.04);
}

/* Light: card icon glow lighter */
[data-theme="light"] .card:hover .card-icon {
  box-shadow: 0 0 12px rgba(0,144,176,0.08);
}

/* Light: green dot glow */
[data-theme="light"] .hero-pill-dot {
  box-shadow: 0 0 0 4px rgba(34,197,94,0.12), 0 0 8px rgba(34,197,94,0.2);
}

/* Light: gradient text stays readable */
[data-theme="light"] .hero-title .highlight,
[data-theme="light"] .section-title span {
  background: linear-gradient(135deg, #007a96 0%, #0090b0 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* Light: band unified glow */
[data-theme="light"] .band-unified::before,
[data-theme="light"] .cta-final::before,
[data-theme="light"] .timeline-card::before {
  opacity: 0.3;
}

/* Light: button primary */
[data-theme="light"] .btn-primary {
  background: linear-gradient(135deg, #0090b0, #007a96);
  box-shadow: 0 4px 16px rgba(0,144,176,0.2), 0 1px 0 rgba(255,255,255,0.15) inset;
}
[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 6px 24px rgba(0,144,176,0.3), 0 1px 0 rgba(255,255,255,0.2) inset;
}

/* Light: btn-outline */
[data-theme="light"] .btn-outline {
  background: rgba(255,255,255,0.6);
}
[data-theme="light"] .btn-outline:hover {
  background: rgba(0,144,176,0.06);
}

/* Light: btn-nav */
[data-theme="light"] .btn-nav {
  background: rgba(255,255,255,0.7);
}
[data-theme="light"] .btn-nav:hover {
  background: var(--c-accent);
  color: #fff;
}

/* Light: form inputs */
[data-theme="light"] .contact-field input,
[data-theme="light"] .contact-field textarea {
  background: rgba(255,255,255,0.8);
  border-color: rgba(0,0,0,0.1);
}
[data-theme="light"] .contact-field input:focus,
[data-theme="light"] .contact-field textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(0,144,176,0.08);
  background: #fff;
}

/* Light: card-list dots less glowy */
[data-theme="light"] .card-list li::before,
[data-theme="light"] .band-list li::before {
  box-shadow: none;
}

/* Light: domain markers less glowy */
[data-theme="light"] .hero-domain-marker {
  box-shadow: none;
}
[data-theme="light"] .hero-domain-marker.blue {
  box-shadow: none;
}
[data-theme="light"] .hero-domain-marker.green {
  box-shadow: none;
}

/* Light: logo needs to stay visible */
[data-theme="light"] .tk-logo-img {
  filter: brightness(0.15);
}
[data-theme="light"] .tk-logo-y {
  filter: brightness(0.2);
}

/* Light: mini-footer border */
[data-theme="light"] .mini-footer {
  border-top-color: rgba(0,0,0,0.06);
}
[data-theme="light"] .footer-nav {
  border-bottom-color: rgba(0,0,0,0.06);
}

/* Header scrolled state */
.tk-header--scrolled {
  background: var(--glass-header-scroll) !important;
  border-color: var(--c-border-hi) !important;
}