/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
  --bg:         #070d14;
  --surface:    #0c1520;
  --surface2:   #111e2e;
  --border:     rgba(0,210,180,0.12);
  --accent:     #00d2b4;
  --accent2:    #0af0d0;
  --red:        #e85d75;
  --yellow:     #ffb400;
  --text:       #d4e8e4;
  --muted:      #617a8a;
  --white:      #f0faf8;
  --font-head:  'Syne', sans-serif;
  --font-mono:  'DM Mono', monospace;
  --font-body:  'DM Sans', sans-serif;
  --r:          6px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── GRID BACKGROUND ────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,210,180,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,210,180,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* ─── NAV ─────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  height: 68px;
  background: rgba(7,13,20,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: -0.02em;
}
.nav-logo .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #00d2b4, #0097a7);
  border-radius: 8px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--bg);
  font-weight: 500;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  transition: color var(--transition);
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 20px;
  border: 1px solid var(--accent);
  border-radius: var(--r);
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}
.nav-cta:hover { background: var(--accent); color: var(--bg); }

/* ─── SECTIONS ───────────────────────────────────────────── */
section { position: relative; z-index: 1; }

/* ─── HERO ────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 120px 5vw 80px;
  overflow: hidden;
}
#hero::after {
  content: '';
  position: absolute;
  top: -120px; right: -160px;
  width: 660px; height: 660px;
  border-radius: 50%;
  border: 1px solid rgba(0,210,180,0.12);
  box-shadow: 0 0 120px rgba(0,210,180,0.07) inset;
  pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.1s forwards;
}
.hero-eyebrow span {
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 10px;
  opacity: 0.7;
}
h1.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
  max-width: 820px;
  opacity: 0;
  animation: fadeUp 0.7s 0.2s forwards;
}
h1.hero-title em { font-style: normal; color: var(--accent); }
.hero-sub {
  margin-top: 1.6rem;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.7s 0.35s forwards;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2.4rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.45s forwards;
}
.pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--muted);
  background: rgba(0,210,180,0.04);
}
.pill.active { border-color: var(--accent); color: var(--accent); }
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2.8rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.55s forwards;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--r);
  font-weight: 500;
  transition: background var(--transition), transform 0.2s;
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-2px); }
.btn-ghost {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
}
.btn-ghost:hover { color: var(--white); }
.scroll-hint {
  position: absolute;
  bottom: 36px; left: 5vw;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.7s 0.8s forwards;
}
.scroll-hint::before {
  content: '';
  display: block;
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0%,100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ─── STAT STRIP ──────────────────────────────────────────── */
.stat-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface);
}
.stat-item {
  padding: 2.4rem 5vw;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: 6px;
}

/* ─── SHARED SECTION STYLES ──────────────────────────────── */
.section-wrap { padding: 100px 5vw; }
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-tag::before { content: '//'; margin-right: 8px; opacity: 0.5; }
h2.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 640px;
}
h2.section-title em { font-style: normal; color: var(--accent); }
.section-body {
  color: var(--muted);
  font-weight: 300;
  max-width: 560px;
  margin-top: 1.2rem;
  font-size: 1.02rem;
}

/* ─── ABOUT ───────────────────────────────────────────────── */
#about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5vw;
  align-items: center;
}
.about-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.4rem;
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.about-card-icon { font-size: 2.4rem; margin-bottom: 1rem; display: block; }
.about-card h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.about-card p { font-size: 0.92rem; color: var(--muted); font-weight: 300; }
.about-cards-stack { display: flex; flex-direction: column; gap: 1rem; }
.cert-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.cert-bar:last-child { border-bottom: none; }
.cert-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.cert-text { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text); }

/* ─── COURSES ─────────────────────────────────────────────── */
#courses { background: var(--bg); }
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}
.course-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform 0.3s;
}
.course-card:hover { border-color: rgba(0,210,180,0.4); transform: translateY(-4px); }
.course-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.course-card:hover::after { opacity: 1; }
.course-level {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 1.2rem;
}
.level-beginner    { background: rgba(0,210,180,0.1);  color: var(--accent); border: 1px solid rgba(0,210,180,0.25); }
.level-intermediate{ background: rgba(255,180,0,0.08); color: var(--yellow); border: 1px solid rgba(255,180,0,0.2); }
.level-advanced    { background: rgba(232,93,117,0.08);color: var(--red);    border: 1px solid rgba(232,93,117,0.2); }
.course-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.course-card p { font-size: 0.88rem; color: var(--muted); font-weight: 300; line-height: 1.6; }
.course-meta {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ─── DELIVERY ────────────────────────────────────────────── */
#delivery {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.delivery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3.5rem;
}
.delivery-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.4rem;
  transition: border-color var(--transition);
}
.delivery-card:hover { border-color: rgba(0,210,180,0.35); }
.delivery-card.featured {
  border-color: rgba(0,210,180,0.3);
  background: rgba(0,210,180,0.04);
}
.delivery-icon { font-size: 2.2rem; margin-bottom: 1.4rem; }
.delivery-card h3 {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.8rem;
}
.delivery-card p { font-size: 0.92rem; color: var(--muted); font-weight: 300; margin-bottom: 1.4rem; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.feature-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.feature-list li::before { content: '→'; color: var(--accent); font-size: 0.85rem; }

/* ─── SESSIONS ────────────────────────────────────────────── */
#sessions { background: var(--bg); }
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 3rem;
}
.session-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform 0.3s;
}
.session-card:hover { border-color: rgba(0,210,180,0.4); transform: translateY(-3px); }
.session-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.session-type {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 1rem;
}
.type-inperson { background: rgba(0,210,180,0.1); color: var(--accent); border: 1px solid rgba(0,210,180,0.25); }
.type-online   { background: rgba(255,180,0,0.08); color: var(--yellow); border: 1px solid rgba(255,180,0,0.2); }
.session-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.session-detail {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}
.session-detail strong { color: var(--text); font-weight: 400; }
.session-spots {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}
.session-spots span {
  color: var(--accent);
  font-weight: 500;
}
.sessions-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  border: 1px dashed var(--border);
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}
.sessions-empty strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

/* ─── SCHEDULE NOTICE ─────────────────────────────────────── */
.schedule-notice {
  margin-top: 2.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.4rem 1.8rem;
  background: rgba(0,210,180,0.06);
  border: 1px solid rgba(0,210,180,0.18);
  border-radius: var(--r);
}
.notice-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.notice-text p { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); }
.notice-text strong {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--white);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 4px;
}

/* ─── LAB KIT ─────────────────────────────────────────────── */
#lab { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.lab-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5vw;
  align-items: center;
}
.kit-box {
  width: 100%;
  aspect-ratio: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7rem;
  position: relative;
  overflow: hidden;
  max-width: 440px;
}
.kit-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,210,180,0.12), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(0,151,167,0.08), transparent 60%);
}
.kit-visual { position: relative; }
.kit-tags { display: flex; flex-direction: column; gap: 8px; margin-top: 1rem; }
.kit-tag {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.kit-contents {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.kit-item { display: flex; align-items: flex-start; gap: 10px; }
.kit-item-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }
.kit-item-text strong {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--white);
  display: block;
}
.kit-item-text span { font-size: 0.78rem; color: var(--muted); font-weight: 300; }

/* ─── CONTACT ─────────────────────────────────────────────── */
#contact { background: var(--bg); border-top: 1px solid var(--border); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5vw;
  align-items: start;
}
.contact-email-block {
  margin-top: 2.5rem;
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}
.contact-email-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.contact-email-block .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.contact-email-block a {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  transition: color var(--transition);
  word-break: break-all;
}
.contact-email-block a:hover { color: var(--accent2); }
.contact-email-block .note { margin-top: 10px; font-size: 0.82rem; color: var(--muted); font-weight: 300; }
.contact-topics { display: flex; flex-direction: column; gap: 10px; padding-top: 0.5rem; }
.contact-topic {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  font-size: 0.88rem;
  color: var(--text);
  transition: border-color var(--transition);
}
.contact-topic:hover { border-color: rgba(0,210,180,0.35); }
.contact-topic-icon { font-size: 1.2rem; flex-shrink: 0; }

/* ─── FOOTER ──────────────────────────────────────────────── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2.5rem 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
  z-index: 1;
}
.footer-logo {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.footer-logo span { color: var(--accent); }
.footer-right { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); letter-spacing: 0.08em; }

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-group > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal-group.visible > *:nth-child(1) { opacity:1; transform:none; transition-delay:0s; }
.reveal-group.visible > *:nth-child(2) { opacity:1; transform:none; transition-delay:0.1s; }
.reveal-group.visible > *:nth-child(3) { opacity:1; transform:none; transition-delay:0.2s; }
.reveal-group.visible > *:nth-child(4) { opacity:1; transform:none; transition-delay:0.3s; }
.reveal-group.visible > *:nth-child(5) { opacity:1; transform:none; transition-delay:0.4s; }
.reveal-group.visible > *:nth-child(6) { opacity:1; transform:none; transition-delay:0.5s; }

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1000px) {
  .sessions-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--border); }
  .about-grid, .lab-inner, .contact-inner { grid-template-columns: 1fr; }
  .courses-grid, .sessions-grid { grid-template-columns: 1fr; }
  .delivery-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .hero-pills { flex-direction: column; }
  .hero-cta-row { flex-direction: column; align-items: flex-start; }
  footer { flex-direction: column; }
  .kit-contents { grid-template-columns: 1fr; }
}