/* =========================================================
   Bytachon Technology Partners - Main Stylesheet
   ========================================================= */

/* --- CSS Custom Properties --- */
:root {
  --bg-base:       #070b14;
  --bg-surface:    #0d1424;
  --bg-card:       #111b31;
  --bg-card-hover: #162040;
  --accent-cyan:   #00c8ff;
  --accent-blue:   #1a6fff;
  --accent-glow:   rgba(0, 200, 255, 0.15);
  --border:        rgba(0, 200, 255, 0.12);
  --border-strong: rgba(0, 200, 255, 0.3);
  --text-primary:  #f0f4ff;
  --text-secondary:#7e8fa8;
  --text-muted:    #4a5a70;
  --nav-height:    70px;
  --radius:        10px;
  --radius-lg:     16px;
  --shadow:        0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 0 40px rgba(0, 200, 255, 0.12);
  --transition:    0.3s ease;
  --font-head:     'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body:     'Inter', 'Segoe UI', system-ui, sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Scroll Progress Bar --- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 clamp(1rem, 5vw, 3rem);
  background: rgba(7, 11, 20, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav.nav--hidden { transform: translateY(-100%); }
.nav.nav--scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6); }

.nav__logo img {
  height: 40px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 2px;
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  margin-left: 1.5rem;
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff !important;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 20px rgba(0, 200, 255, 0.2);
}

.nav__cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(0, 200, 255, 0.35);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 8px;
  z-index: 1010;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.35s ease, opacity 0.35s ease, width 0.35s ease;
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(7, 11, 20, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  flex-direction: column;
  padding: 1.5rem clamp(1rem, 5vw, 3rem);
  gap: 1.25rem;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__mobile-menu.open {
  pointer-events: all;
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile-menu .nav__link {
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: block;
}

.nav__mobile-menu .nav__cta {
  margin-left: 0;
  text-align: center;
  display: block;
  padding: 0.75rem 1.25rem;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section--alt { background: var(--bg-surface); }
.section--dark { background: var(--bg-base); }

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section__title span {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section__subtitle { margin: 0 auto; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 200, 255, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 200, 255, 0.4);
}

.btn--outline {
  border: 1px solid var(--border-strong);
  color: var(--accent-cyan);
  background: transparent;
}

.btn--outline:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn svg { flex-shrink: 0; }

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.card:hover::before { opacity: 1; }

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(26, 111, 255, 0.2), rgba(0, 200, 255, 0.2));
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.card__icon svg { color: var(--accent-cyan); }

.card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --- Divider Line --- */
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 3px;
  margin: 1rem 0 2rem;
}

.divider--center { margin: 1rem auto 2rem; }

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 200, 255, 0.6); }
  50% { box-shadow: 0 0 0 6px rgba(0, 200, 255, 0); }
}

.hero__title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero__title .gradient-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__typed-wrapper {
  min-height: 1.2em;
}

#hero-typed {
  color: var(--accent-cyan);
}

.typed-cursor {
  color: var(--accent-cyan);
  animation: blink 0.75s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero__stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0.04em;
}

/* --- TRUST BAR --- */
.trust-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem 3rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.trust-item svg { color: var(--accent-cyan); flex-shrink: 0; }

/* --- SERVICES OVERVIEW --- */
.services-grid { gap: 1.5rem; }

/* --- WHY BTP --- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.why__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.why__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.why__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(26, 111, 255, 0.15), rgba(0, 200, 255, 0.15));
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-top: 2px;
}

.why__item-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.why__item-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.why__visual {
  position: relative;
}

.why__visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.why__visual-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.why__visual-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(26, 111, 255, 0.2), rgba(0, 200, 255, 0.15));
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.why__visual-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.why__visual-bar {
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  margin-top: 4px;
  position: relative;
  overflow: hidden;
}

.why__visual-bar::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* --- CERTIFICATIONS STRIP --- */
.certs-strip {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.certs-track {
  display: flex;
  gap: 3rem;
  animation: scroll-certs 65s linear infinite;
  width: max-content;
}

.certs-track:hover { animation-play-state: paused; }

@keyframes scroll-certs {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition);
}

.cert-item:hover { border-color: var(--border-strong); color: var(--text-primary); }
.cert-item svg { color: var(--accent-cyan); }

.cert-item--cat {
  background: rgba(0, 200, 255, 0.1);
  border-color: rgba(0, 200, 255, 0.3);
  color: var(--accent-cyan);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  cursor: default;
}
.cert-item--cat:hover { border-color: rgba(0, 200, 255, 0.5); color: var(--accent-cyan); }

/* --- CTA BANNER --- */
.cta-banner {
  text-align: center;
  padding: clamp(4rem, 8vw, 6rem) 0;
  background: radial-gradient(ellipse at center, rgba(26,111,255,0.12) 0%, transparent 70%);
  position: relative;
}

.cta-banner__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-banner__text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.cta-banner__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- SERVICES PAGE --- */
.service-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-card__tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.service-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.service-card__list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent-cyan);
  margin-top: 6px;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-cyan), transparent);
}

.process-step {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  position: relative;
}

.process-step__num {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-cyan);
  z-index: 1;
  position: relative;
}

.process-step__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.process-step__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- ABOUT PAGE --- */
.about-hero { text-align: center; padding: clamp(5rem, 10vw, 8rem) 0 3rem; }

.founder-card {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}

.founder-profile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.founder-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
}

.founder-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.founder-title {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1rem;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.25rem;
}

.tag {
  padding: 0.3rem 0.75rem;
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.founder-clearance {
  margin-top: 1.5rem;
  padding: 0.9rem;
  background: rgba(0, 200, 255, 0.05);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.founder-clearance svg { color: var(--accent-cyan); flex-shrink: 0; }

.founder-bio { display: flex; flex-direction: column; gap: 1.5rem; }

.bio-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.bio-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.bio-text + .bio-text { margin-top: 0.75rem; }

.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  transition: border-color var(--transition), background var(--transition);
}

.cert-badge:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.cert-badge svg { color: var(--accent-cyan); }

.expertise-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.expertise-tag {
  padding: 0.35rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.expertise-tag:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-cyan), transparent);
}

.timeline-item {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  position: relative;
}

.timeline-dot {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 200, 255, 0.4);
  z-index: 1;
  margin-top: 2px;
}

.timeline-period {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: 0.25rem;
}

.timeline-role {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-org {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- CONTACT PAGE --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(26,111,255,0.15), rgba(0,200,255,0.15));
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

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

.contact-info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-submit {
  width: 100%;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0, 200, 255, 0.2);
  border: none;
  font-family: inherit;
}

.form-submit:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(0, 200, 255, 0.35);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 200, 255, 0.1);
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--accent-cyan);
}

/* --- FOOTER --- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__logo img { height: 32px; width: auto; margin-bottom: 1rem; }

.footer__tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 280px;
}

.footer__heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--accent-cyan); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer__legal {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- ANIMATION UTILITIES --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.65s ease;
}

.fade-in.visible { opacity: 1; }

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Page transition overlay */
#page-transition {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#page-transition.active { opacity: 1; pointer-events: all; }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .why__visual { display: none; }
  .founder-card { grid-template-columns: 1fr; }
  .founder-profile { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile-menu { display: flex; }
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .hero__stats { gap: 1.5rem; }
  .trust-bar__inner { gap: 1rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; justify-content: center; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}

/* --- SELECT ARROW STYLING --- */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237e8fa8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* --- PAGE HEADER (inner pages) --- */
.page-header {
  padding: clamp(5.5rem, 10vw, 8rem) 0 3rem;
  background: radial-gradient(ellipse at 20% 50%, rgba(26,111,255,0.08) 0%, transparent 60%);
  border-bottom: 1px solid var(--border);
}