/* VibeTech Development — brand-aligned theme (cyan · purple · deep navy) */

:root {
  --bg-deep: #070b14;
  --bg: #0c1222;
  --surface: rgba(15, 23, 42, 0.55);
  --surface-strong: rgba(30, 41, 59, 0.65);
  --border: rgba(148, 163, 184, 0.12);
  --border-glow: rgba(34, 211, 238, 0.25);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --cyan: #22d3ee;
  --purple: #a855f7;
  --magenta: #d946ef;
  --navy: #0f172a;
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
}

a:hover {
  color: #67e8f9;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-gradient {
  background: linear-gradient(105deg, var(--cyan) 0%, var(--purple) 45%, var(--magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-muted {
  color: var(--text-muted);
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.035;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}

.glow-1 {
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  top: -12%;
  right: -10%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.5) 0%, transparent 70%);
}

.glow-2 {
  width: min(60vw, 480px);
  height: min(60vw, 480px);
  bottom: 10%;
  left: -15%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.45) 0%, transparent 70%);
}

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.section {
  padding-block: clamp(4rem, 10vw, 6.5rem);
  position: relative;
  z-index: 1;
}

.section-tight {
  padding-block: clamp(3rem, 8vw, 5rem);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  height: 44px;
  width: auto;
  max-height: 44px;
  object-fit: contain;
}

.nav-list {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9375rem;
}

.nav-list a:hover {
  color: var(--text);
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text);
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 22px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.25s var(--ease);
}

.mobile-nav {
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem 1.25rem;
  background: rgba(7, 11, 20, 0.95);
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-list a {
  color: var(--text);
  font-weight: 600;
  font-size: 1.125rem;
}

@media (max-width: 768px) {
  .nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  color: var(--navy);
  background: linear-gradient(120deg, var(--cyan) 0%, #38bdf8 40%, var(--purple) 100%);
  background-size: 160% 100%;
  box-shadow: 0 8px 32px rgba(34, 211, 238, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.btn-primary:hover {
  color: var(--navy);
  background-position: 100% 0;
  box-shadow: 0 12px 40px rgba(168, 85, 247, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(34, 211, 238, 0.3);
  color: var(--text);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  padding-top: clamp(3rem, 8vw, 5rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.25rem, 5vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
}

.hero-lead {
  color: var(--text-muted);
  max-width: 38rem;
  margin: 0 0 2rem;
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.node-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.node-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08) 0%, transparent 50%, rgba(217, 70, 239, 0.06) 100%);
  pointer-events: none;
}

.node-graph {
  position: relative;
  height: 140px;
  margin-bottom: 1.25rem;
}

.node {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--cyan), var(--purple));
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.5);
}

.node.n1 {
  left: 12%;
  top: 42%;
  animation: pulse-node 2.8s ease-in-out infinite;
}

.node.n2 {
  left: 48%;
  top: 22%;
  animation: pulse-node 2.8s ease-in-out 0.4s infinite;
}

.node.n3 {
  right: 18%;
  top: 48%;
  animation: pulse-node 2.8s ease-in-out 0.8s infinite;
}

.edge {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  opacity: 0.45;
  transform-origin: left center;
}

.edge.e1 {
  left: 14%;
  top: 47%;
  width: 34%;
  transform: rotate(-18deg);
}

.edge.e2 {
  left: 50%;
  top: 28%;
  width: 28%;
  transform: rotate(22deg);
}

@keyframes pulse-node {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.85;
  }
}

.node-caption {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-muted);
  text-align: center;
  position: relative;
}

/* Section heads */
.section-head {
  margin-bottom: 2.75rem;
  max-width: 40rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Cards */
.cards-3 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.card:hover {
  border-color: rgba(34, 211, 238, 0.2);
  transform: translateY(-2px);
}

.card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.card-icon {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(168, 85, 247, 0.12), transparent);
  border-block: 1px solid var(--border);
}

.cta-inner {
  display: grid;
  gap: 2rem;
  align-items: stretch;
}

@media (min-width: 880px) {
  .cta-inner {
    grid-template-columns: 1fr 340px;
    gap: 3rem;
  }
}

.cta-copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.cta-copy > p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 36rem;
}

.cta-emails {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.cta-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.cta-emails a {
  font-weight: 600;
  word-break: break-all;
}

.cta-panel {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.cta-panel-title {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 1rem;
  font-size: 1rem;
}

.cta-list {
  margin: 0 0 1.5rem;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.cta-list li {
  margin-bottom: 0.5rem;
}

/* Ventures */
.ventures-preamble {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  padding: 1.75rem 2rem;
  align-items: start;
}

@media (min-width: 640px) {
  .ventures-preamble {
    grid-template-columns: auto 1fr;
    align-items: center;
  }
}

.preamble-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.preamble-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

.ventures-preamble p {
  margin: 0;
  color: var(--text-muted);
}

.card-wide {
  max-width: none;
}

.venture-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.venture-card {
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.venture-card:hover {
  border-color: rgba(168, 85, 247, 0.25);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.venture-featured {
  border: 1px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(120deg, rgba(34, 211, 238, 0.35), rgba(168, 85, 247, 0.35), rgba(217, 70, 239, 0.35)) border-box;
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.08);
}

.venture-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  margin-bottom: 1rem;
}

.venture-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
}

.venture-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0;
}

.venture-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--cyan);
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.venture-link {
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.venture-link::after {
  content: "↗";
  font-size: 0.85em;
  opacity: 0.7;
}

.venture-soon {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.venture-card p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.venture-card p:last-child {
  margin-bottom: 0;
}

/* Footer CTA */
.section-footer-cta {
  text-align: center;
  padding-bottom: 4rem;
}

.footer-cta-inner h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
}

.footer-cta-inner > p {
  margin: 0 0 1.25rem;
}

/* Site footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
  background: rgba(0, 0, 0, 0.25);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  margin: 0;
  letter-spacing: -0.02em;
}

.footer-brand-rest {
  color: var(--text-muted);
  font-weight: 600;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.08s;
}

.reveal-delay-2 {
  transition-delay: 0.16s;
}

.reveal-delay-3 {
  transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .node.n1,
  .node.n2,
  .node.n3 {
    animation: none;
  }

  .btn:active {
    transform: none;
  }
}