/* =====================================================
   SkyMasters Aviation Training — Premium Stylesheet
   Brand: #186CA9 — used sparingly as accent only
   ===================================================== */

:root {
  --brand: #186CA9;
  --brand-light: #e8f1f8;
  --brand-dark: #0d4a73;
  --brand-muted: rgba(24,108,169,0.12);

  --ink: #0B0F1A;
  --ink-soft: #141824;
  --ink-mid: #1e2433;
  --slate: #2a3142;
  --ash: #8892a0;
  --mist: #c5c9d0;
  --pearl: #f4f5f7;
  --snow: #fafafb;
  --pure: #ffffff;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(11,15,26,0.06);
  --shadow-md: 0 4px 24px rgba(11,15,26,0.08);
  --shadow-lg: 0 12px 48px rgba(11,15,26,0.12);
  --shadow-glow: 0 0 60px rgba(24,108,169,0.08);

  --content-max: 1200px;
  --content-narrow: 680px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--pure);
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

h1 { font-size: clamp(3rem, 7vw, 5.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1rem; }

p { color: var(--ash); max-width: 62ch; }

/* ---- Layout ---- */
.section { padding: 120px 28px; position: relative; }
@media (max-width: 768px) { .section { padding: 80px 20px; } }

.section-container { max-width: var(--content-max); margin: 0 auto; }
.section-header { max-width: var(--content-narrow); margin-bottom: 72px; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.section-title { margin-bottom: 18px; }
.section-desc { font-size: 1.125rem; line-height: 1.75; }

.dark-section { background: var(--ink); color: var(--pure); }
.dark-section h1, .dark-section h2, .dark-section h3, .dark-section h4 { color: var(--pure); }
.dark-section p { color: var(--ash); }

.alt-dark { background: var(--ink-soft); }

/* ---- Nav ---- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 28px;
  transition: background 0.4s var(--ease-out-quart), box-shadow 0.4s var(--ease-out-quart);
}

.site-nav.is-scrolled,
body.inner-page .site-nav {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(11,15,26,0.06);
}

.nav-container {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  position: relative;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  transition: opacity 0.3s ease;
}

.nav-logo-light {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  opacity: 0;
}

.site-nav.is-scrolled .nav-logo-dark,
body.inner-page .site-nav .nav-logo-dark {
  opacity: 0;
}

.site-nav.is-scrolled .nav-logo-light,
body.inner-page .site-nav .nav-logo-light {
  opacity: 1;
}

.nav-menu { display: flex; align-items: center; gap: 40px; }
.nav-links { display: flex; gap: 36px; align-items: center; }

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s ease;
  position: relative;
  letter-spacing: 0.01em;
}

.site-nav.is-scrolled .nav-link,
body.inner-page .site-nav .nav-link { color: var(--ash); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0;
  width: 0; height: 1.5px;
  background: var(--brand);
  border-radius: 1px;
  transition: width 0.4s var(--ease-out-expo);
}

.nav-link:hover { color: var(--pure); }
.site-nav.is-scrolled .nav-link:hover,
body.inner-page .site-nav .nav-link:hover { color: var(--ink); }
.nav-link:hover::after { width: 100%; }

/* Nav dropdown */
.nav-dropdown {
  position: relative;
}

/* ponytail: invisible bridge so hover survives fast/diagonal mouse moves */
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 30px;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-dropdown-chevron {
  transition: transform 0.3s var(--ease-out-expo);
  opacity: 0.6;
}

.nav-dropdown:hover .nav-dropdown-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: var(--pure);
  border: 1px solid rgba(11,15,26,0.06);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s var(--ease-out-expo);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--pure);
  border-left: 1px solid rgba(11,15,26,0.06);
  border-top: 1px solid rgba(11,15,26,0.06);
  z-index: 1;
}

/* ponytail: invisible halo so dropdown stays open on slight drift */
.nav-dropdown-menu::after {
  content: '';
  position: absolute;
  inset: -25px;
  z-index: -1;
}

.nav-dropdown-link {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-dropdown-link:hover {
  background: var(--snow);
  color: var(--brand);
}

.site-nav.is-scrolled .nav-dropdown-menu {
  top: calc(100% + 8px);
}

@media (max-width: 768px) {
  .nav-links { flex-direction: column; gap: 28px; align-items: center; }
  .nav-link { font-size: 1.5rem; color: var(--pure); }
  .nav-dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 12px 0 0 0;
    min-width: auto;
  }
  .nav-dropdown-menu::before { display: none; }
  .nav-dropdown-link {
    color: rgba(255,255,255,0.6);
    font-size: 1rem;
    padding: 8px 0;
    text-align: center;
  }
  .nav-dropdown-link:hover {
    background: transparent;
    color: var(--pure);
  }
  .nav-dropdown-chevron { display: none; }
}

.nav-cta .btn { padding: 10px 22px; font-size: 0.8rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle-bar { display: block; width: 22px; height: 1.5px; background: var(--pure); border-radius: 2px; transition: all 0.3s var(--ease-out-expo); }
.site-nav.is-scrolled .nav-toggle-bar,
body.inner-page .site-nav .nav-toggle-bar { background: var(--ink); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 80px; left: 0; right: 0; bottom: 0;
    background: var(--ink);
    flex-direction: column;
    justify-content: flex-start;
    padding: 48px 28px;
    gap: 48px;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-out-expo);
  }
  .nav-menu.is-open { transform: translateX(0); }
  .nav-links { flex-direction: column; gap: 28px; align-items: center; }
  .nav-link { font-size: 1.5rem; color: var(--pure); }
  .nav-cta { width: 100%; display: flex; justify-content: center; }
  .nav-toggle.is-active .nav-toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.is-active .nav-toggle-bar:nth-child(2) { opacity: 0; }
  .nav-toggle.is-active .nav-toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  transition: all 0.35s var(--ease-out-expo);
  white-space: nowrap;
}

.btn .material-symbols-rounded {
  font-size: 18px;
}

.btn-primary {
  background: var(--pure);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--pearl);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.dark-section .btn-primary { background: var(--pure); color: var(--ink); }
.dark-section .btn-primary:hover { background: var(--pearl); }

.btn-secondary {
  background: transparent;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.12);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--pure);
  background: rgba(255,255,255,0.03);
  transform: translateY(-2px);
}

.dark-section .btn-secondary { color: var(--pure); border-color: rgba(255,255,255,0.2); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -30%; right: -10%;
  width: 70vw; height: 70vw;
  background: radial-gradient(circle, rgba(24,108,169,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.hero-altitude {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-altitude::before {
  content: '';
  position: absolute;
  left: 12%; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(24,108,169,0.15), transparent);
}

.hero-altitude::after {
  content: '';
  position: absolute;
  right: 20%; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(24,108,169,0.08), transparent);
}

.hero-accent-dot {
  position: absolute;
  top: 18%;
  right: 25%;
  width: 4px; height: 4px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(24,108,169,0.4);
}

/* ---- Flying Planes Animation ---- */
.flying-planes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.flight-path {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  pointer-events: none;
  animation: flyAcross var(--speed, 12s) linear infinite;
  animation-delay: var(--start, 0s);
}

/* ponytail: cursor follower — kill flight animation, RAF handles pursuit + rotation */
.flight-path.is-following {
  animation: none !important;
  transform-origin: right center;
  will-change: transform;
}

@keyframes flyAcross {
  0%   { transform: translateX(-10vw); opacity: 0; }
  6%   { opacity: 1; }
  94%  { opacity: 1; }
  100% { transform: translateX(115vw); opacity: 0; }
}

/* Reverse direction — right to left */
.flight-path.is-reverse {
  animation: flyBack var(--speed, 12s) linear infinite;
}

@keyframes flyBack {
  0%   { transform: translateX(115vw) scaleX(-1); opacity: 0; }
  6%   { opacity: 1; }
  94%  { opacity: 1; }
  100% { transform: translateX(-10vw) scaleX(-1); opacity: 0; }
}

@keyframes flyDown {
  0%   { transform: translateY(-10vh); opacity: 0; }
  6%   { opacity: 1; }
  94%  { opacity: 1; }
  100% { transform: translateY(115vh); opacity: 0; }
}

@keyframes flyUp {
  0%   { transform: translateY(115vh); opacity: 0; }
  6%   { opacity: 1; }
  94%  { opacity: 1; }
  100% { transform: translateY(-10vh); opacity: 0; }
}

/* ponytail: vertical flights — swap axis, trail direction, and plane rotation */
.flight-path.is-vertical {
  top: 0;
  flex-direction: column;
  animation: flyDown var(--speed, 12s) linear infinite;
}

.flight-path.is-vertical.is-reverse {
  animation: flyUp var(--speed, 12s) linear infinite;
}

.flight-path.is-vertical .plane-trail {
  width: 2px;
  height: var(--trail, 60px);
  margin-right: 0;
  margin-bottom: 4px;
  background: linear-gradient(
    to top,
    rgba(24, 108, 169, 0.15),
    rgba(24, 108, 169, 0.05) 70%,
    transparent
  );
}

.flight-path.is-vertical.is-reverse .plane-trail {
  background: linear-gradient(
    to bottom,
    rgba(24, 108, 169, 0.15),
    rgba(24, 108, 169, 0.05) 70%,
    transparent
  );
}

.flight-path.is-vertical .plane-body {
  transform: rotate(calc(var(--tilt, 0deg) + 90deg));
}

.flight-path.is-vertical.is-reverse .plane-body {
  transform: rotate(calc(var(--tilt, 0deg) - 90deg));
}

.plane-trail {
  width: var(--trail, 60px);
  height: 2px;
  background: linear-gradient(
    to left,
    rgba(24, 108, 169, 0.15),
    rgba(24, 108, 169, 0.05) 70%,
    transparent
  );
  flex-shrink: 0;
  margin-right: 4px;
  border-radius: 1px;
}

/* Reverse trail gradient */
.flight-path.is-reverse .plane-trail {
  background: linear-gradient(
    to right,
    rgba(24, 108, 169, 0.15),
    rgba(24, 108, 169, 0.05) 70%,
    transparent
  );
}

.plane-body {
  flex-shrink: 0;
  transform: rotate(var(--tilt, 0deg));
  will-change: transform;
  color: rgba(24, 108, 169, 0.18);
}

.plane-body svg {
  width: var(--size, 32px);
  height: var(--size, 32px);
  display: block;
}

.hero-container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-content { max-width: 780px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 40px;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--brand);
  border-radius: 50%;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  color: var(--pure);
  margin-bottom: 28px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero-title-accent {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.5);
  position: relative;
}

.hero-desc {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--ash);
  margin-bottom: 44px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.hero-trust-text {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  white-space: nowrap;
}

.hero-trust-logos {
  display: flex;
  align-items: center;
  gap: 28px;
}

.hero-trust-logos img {
  height: 32px;
  width: auto;
  opacity: 0.35;
  filter: grayscale(1) brightness(2.5);
  transition: opacity 0.3s ease;
}

.hero-trust-logos img:hover { opacity: 0.6; }

/* ---- STATS ---- */
.stats-section {
  background: var(--snow);
  padding: 80px 28px;
  border-top: 1px solid rgba(11,15,26,0.04);
  border-bottom: 1px solid rgba(11,15,26,0.04);
}

.stats-grid {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.stat-item {
  text-align: left;
  position: relative;
  padding-left: 24px;
}

.stat-item::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 2px; height: 40px;
  background: var(--brand);
  border-radius: 2px;
  opacity: 0.4;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ash);
  letter-spacing: 0.02em;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---- LOGO MARQUEE ---- */
.marquee-section {
  background: var(--pure);
  padding: 60px 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(11,15,26,0.04);
}

.marquee-label {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 32px;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}

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

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 48px;
  opacity: 0.4;
  filter: grayscale(1);
  transition: opacity 0.3s ease;
}

.marquee-item:hover {
  opacity: 0.7;
}

.marquee-item img {
  height: 36px;
  width: auto;
}

/* ---- ABOUT ---- */
.about-section { background: var(--pure); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-content { max-width: 540px; }

.about-text {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 40px;
  color: var(--ash);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--snow);
  border: 1px solid rgba(11,15,26,0.04);
  transition: all 0.35s var(--ease-out-expo);
}

.about-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(24,108,169,0.1);
}

.about-feature-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-muted);
  border-radius: var(--radius-sm);
  color: var(--brand);
}

.about-feature-icon .material-symbols-rounded {
  font-size: 20px;
}

.about-feature-text h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--ink);
  font-weight: 600;
}

.about-feature-text p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ash);
}

.about-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(145deg, var(--ink-soft) 0%, var(--ink) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.about-visual-inner {
  text-align: center;
  padding: 48px;
  position: relative;
  z-index: 2;
}

.about-visual-logo {
  width: 140px; height: 140px;
  margin: 0 auto 28px;
  opacity: 0.95;
}

.about-visual-screenshot {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(24,108,169,0.15);
  margin: 0 auto 28px;
  display: block;
}

.about-visual-tagline {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--pure);
  letter-spacing: 0.02em;
}

.about-visual-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 16px;
  background: rgba(24,108,169,0.15);
  border: 1px solid rgba(24,108,169,0.25);
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-visual { aspect-ratio: 16/9; max-width: 600px; margin: 0 auto; }
}

/* ---- TRAINING ---- */
.training-section { background: var(--ink); }

.training-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.training-card {
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 44px;
  transition: all 0.45s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.training-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--brand);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.training-card:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(24,108,169,0.2);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

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

.training-card-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(24,108,169,0.12);
  border-radius: var(--radius-sm);
  color: var(--brand);
  margin-bottom: 28px;
}

.training-card-icon .material-symbols-rounded {
  font-size: 24px;
}

.training-card h3 {
  color: var(--pure);
  margin-bottom: 12px;
  font-size: 1.15rem;
  font-weight: 600;
}

.training-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(200,204,212,0.85);
}

.training-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand);
}

.training-card-tag .material-symbols-rounded {
  font-size: 14px;
}

.training-card:hover .training-card-tag { gap: 10px; }

@media (max-width: 768px) {
  .training-grid { grid-template-columns: 1fr; }
}

/* ---- SOFTWARE ---- */
.software-section { background: var(--pure); }

.software-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.software-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(145deg, var(--snow) 0%, var(--pearl) 100%);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(11,15,26,0.05);
}

.software-visual-content {
  text-align: center;
  padding: 48px;
}

.software-visual-icon {
  width: 80px; height: 80px;
  margin: 0 auto 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pure);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  color: var(--brand);
  border: 1px solid rgba(11,15,26,0.06);
}

.software-visual-icon .material-symbols-rounded {
  font-size: 48px;
}

.software-visual-screenshot {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(11,15,26,0.08);
  margin: 0 auto 28px;
  display: block;
}

.software-visual-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.software-visual-subtitle {
  font-size: 0.85rem;
  color: var(--ash);
}

/* ponytail: visual panels swap with persona tabs */
.software-visual-panel {
  display: none;
  animation: fadeIn 0.4s var(--ease-out-expo);
}

.software-visual-panel.active {
  display: block;
}

@media (max-width: 900px) {
  .software-grid { grid-template-columns: 1fr; gap: 56px; }
  .software-visual { aspect-ratio: 16/9; max-width: 600px; margin: 0 auto; }
}

/* ---- TESTIMONIALS ---- */
.testimonials-section {
  background: var(--snow);
  padding: 100px 28px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--pure);
  border: 1px solid rgba(11,15,26,0.06);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.35s var(--ease-out-expo);
  box-shadow: var(--shadow-sm);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(24,108,169,0.12);
}

.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 28px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-muted) 0%, var(--brand-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--brand);
}

.testimonial-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}

.testimonial-info p {
  font-size: 0.8rem;
  color: var(--ash);
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ---- Software Persona Tabs ---- */
.software-personas {
  margin-bottom: 48px;
}

.persona-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.persona-tab {
  padding: 10px 18px;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ash);
  background: var(--snow);
  border: 1px solid rgba(11,15,26,0.06);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  white-space: nowrap;
}

.persona-tab:hover {
  background: var(--pearl);
  color: var(--ink);
}

.persona-tab.active {
  background: var(--ink);
  color: var(--pure);
  border-color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.persona-panels {
  position: relative;
}

.persona-panel {
  display: none;
  animation: panel-fade 0.4s var(--ease-out-expo);
}

.persona-panel.active {
  display: block;
}

@keyframes panel-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.persona-panel-content {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px;
  background: var(--snow);
  border: 1px solid rgba(11,15,26,0.04);
  border-radius: var(--radius-md);
}

.persona-panel-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-muted);
  border-radius: var(--radius-sm);
  color: var(--brand);
}

.persona-panel-icon .material-symbols-rounded {
  font-size: 24px;
}

.persona-panel-text h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 600;
}

.persona-panel-text p {
  font-size: 0.85rem;
  line-height: 1.65;
}

@media (max-width: 600px) {
  .persona-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }
  .persona-tab {
    flex-shrink: 0;
  }
}

/* ---- CTA ---- */
.cta-section {
  background: var(--ink-soft);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.cta-bg-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80%; height: 80%;
  background: radial-gradient(ellipse, rgba(24,108,169,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-title {
  color: var(--pure);
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

.cta-desc {
  font-size: 1.05rem;
  margin-bottom: 40px;
  color: var(--ash);
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-note {
  margin-top: 28px;
  font-size: 0.8rem;
  color: var(--slate);
  text-align: center;
}

.cta-note a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.cta-note a:hover { color: var(--pure); }

/* ---- CONTACT ---- */
.contact-section { background: var(--snow); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-info-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pure);
  border-radius: var(--radius-sm);
  color: var(--brand);
  border: 1px solid rgba(11,15,26,0.06);
  box-shadow: var(--shadow-sm);
}

.contact-info-icon .material-symbols-rounded {
  font-size: 20px;
}

.contact-info-text h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
  color: var(--ink);
  font-weight: 600;
}

.contact-info-text p,
.contact-info-text a {
  font-size: 0.9rem;
  color: var(--ash);
  line-height: 1.5;
}

.contact-info-text a:hover { color: var(--brand); }

.contact-form {
  background: var(--pure);
  padding: 44px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(11,15,26,0.05);
}

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(11,15,26,0.08);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--pure);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(24,108,169,0.08);
}

.form-textarea { min-height: 120px; resize: vertical; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--ink);
  color: var(--pure);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.35s var(--ease-out-expo);
  letter-spacing: 0.01em;
}

.form-submit:hover {
  background: var(--brand);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--ink);
  color: var(--ash);
  padding: 100px 28px 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-container { max-width: var(--content-max); margin: 0 auto; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 56px;
  padding-bottom: 72px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-brand { max-width: 320px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--pure);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.footer-logo img { width: 32px; height: 32px; border-radius: var(--radius-sm); }

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 24px;
  color: var(--ash);
}

.footer-social { display: flex; gap: 10px; }

.social-link {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  color: var(--ash);
  transition: all 0.3s var(--ease-out-expo);
}

.social-link .material-symbols-rounded {
  font-size: 20px;
}

.social-link:hover {
  background: var(--brand);
  color: var(--pure);
  transform: translateY(-2px);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--pure);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-size: 0.85rem;
  color: var(--ash);
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--pure); }

.footer-bottom {
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--slate);
}

.footer-credit { opacity: 0.6; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---- Animations ---- */
.fade-in, .fade-in-up, .fade-in-left, .fade-in-right {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.js-enabled .fade-in:not(.is-visible),
.js-enabled .fade-in-up:not(.is-visible) {
  opacity: 0;
  transform: translateY(40px);
}

.js-enabled .fade-in-left:not(.is-visible) {
  opacity: 0;
  transform: translateX(-40px);
}

.js-enabled .fade-in-right:not(.is-visible) {
  opacity: 0;
  transform: translateX(40px);
}

.is-visible {
  opacity: 1 !important;
  transform: translate(0, 0) !important;
}

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--snow); }
::-webkit-scrollbar-thumb { background: var(--mist); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ash); }

/* ---- Courses Page ---- */
.courses-hero { padding-bottom: 0; }

.courses-section { padding-top: var(--space-lg); }

.courses-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-pill {
  padding: 10px 22px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  border: 1.5px solid rgba(11,15,26,0.1);
  background: var(--pure);
  color: var(--ash);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
}

.filter-pill:hover {
  border-color: var(--brand-muted);
  color: var(--brand);
}

.filter-pill.active {
  background: var(--brand);
  color: var(--pure);
  border-color: var(--brand);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.course-card {
  background: var(--pure);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid rgba(11,15,26,0.06);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.35s var(--ease-out-expo), box-shadow 0.35s var(--ease-out-expo);
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.course-card-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--brand-muted);
  color: var(--brand);
  margin-bottom: 20px;
}

.course-card-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 12px;
}

.course-card-desc {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--ash);
  flex: 1;
  margin-bottom: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.course-inquire-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1.5px solid var(--brand);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--brand);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  align-self: flex-start;
}

.course-inquire-btn:hover {
  background: var(--brand);
  color: var(--pure);
}

.course-inquire-btn .material-symbols-rounded {
  font-size: 16px;
  transition: transform 0.3s var(--ease-out-expo);
}

.course-inquire-btn:hover .material-symbols-rounded {
  transform: translateX(3px);
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(11,15,26,0.5);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out-expo);
}

.modal-overlay[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--pure);
  border-radius: var(--radius-xl);
  padding: 44px;
  max-width: 540px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 80px rgba(11,15,26,0.18);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  font-size: 1.4rem;
  color: var(--ash);
  cursor: pointer;
  transition: all 0.2s var(--ease-out-expo);
}

.modal-close:hover {
  background: var(--snow);
  color: var(--ink);
}

.modal-header {
  margin-bottom: 32px;
}

.modal-course-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin-top: 6px;
  line-height: 1.3;
}

.modal-form { display: flex; flex-direction: column; gap: 20px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.modal-submit { width: 100%; padding: 16px 28px; }

/* ---- Courses responsive ---- */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .courses-grid { grid-template-columns: 1fr; }
  .courses-filters { gap: 8px; }
  .filter-pill { padding: 8px 16px; font-size: 0.78rem; }
  .modal-card { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .course-card { padding: 28px; }
}

/* ---- Course Detail Page ---- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ash);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--brand); }
.back-link .material-symbols-rounded { font-size: 18px; }

.course-detail-header { max-width: 720px; }

.course-detail-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--brand-muted);
  color: var(--brand);
  margin-bottom: 20px;
}

.course-detail-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 20px;
}

.course-detail-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ash);
  margin-bottom: 28px;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--ash);
}
.course-meta-item .material-symbols-rounded { font-size: 18px; color: var(--brand); }

/* Topics grid */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.topic-card {
  background: var(--pure);
  border: 1px solid rgba(11,15,26,0.06);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s var(--ease-out-expo);
}
.topic-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.topic-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-muted);
  border-radius: var(--radius-md);
  color: var(--brand);
  margin-bottom: 20px;
}
.topic-icon .material-symbols-rounded { font-size: 24px; }

.topic-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.topic-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ash);
}

/* Calendar */
.calendar-section {
  background: var(--snow);
}

.calendar-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.calendar-container {
  background: var(--pure);
  border: 1px solid rgba(11,15,26,0.06);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.calendar-month-label {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.calendar-nav-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(11,15,26,0.08);
  border-radius: var(--radius-sm);
  background: var(--pure);
  color: var(--ash);
  cursor: pointer;
  transition: all 0.2s;
}
.calendar-nav-btn:hover { border-color: var(--brand); color: var(--brand); }
.calendar-nav-btn .material-symbols-rounded { font-size: 18px; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  text-align: center;
}

.calendar-day-header {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ash);
  padding-bottom: 12px;
}

.calendar-date {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-heading);
  border-radius: var(--radius-sm);
  color: var(--ink);
  cursor: default;
  transition: all 0.15s;
}

.calendar-date.other-month { color: rgba(11,15,26,0.2); }

.calendar-date.available {
  background: var(--brand-muted);
  color: var(--brand);
  font-weight: 700;
  cursor: pointer;
}
.calendar-date.available:hover { background: var(--brand); color: var(--pure); }

.calendar-date.selected {
  background: var(--brand);
  color: var(--pure);
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(11,15,26,0.10);
}

.calendar-sidebar {
  background: var(--pure);
  border: 1px solid rgba(11,15,26,0.06);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.sidebar-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 0;
  color: var(--ash);
  text-align: center;
  font-size: 0.9rem;
}
.sidebar-empty .material-symbols-rounded { font-size: 36px; color: rgba(11,15,26,0.15); }

.session-info { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }

.session-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--ash);
  line-height: 1.5;
}
.session-row .material-symbols-rounded { font-size: 18px; color: var(--brand); flex-shrink: 0; margin-top: 1px; }

/* CTA card at bottom */
.cta-card {
  background: var(--pure);
  border: 1px solid rgba(11,15,26,0.06);
  border-radius: var(--radius-xl);
  padding: 56px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ash);
  max-width: 520px;
  margin: 0 auto 28px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-card .btn-primary { background: var(--brand); color: var(--pure); }
.cta-card .btn-primary:hover { background: var(--brand-dark); }
.cta-card .btn-secondary { color: var(--ink); border-color: rgba(11,15,26,0.15); }
.cta-card .btn-secondary:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-light); }

/* Course detail responsive */
@media (max-width: 900px) {
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .calendar-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .topics-grid { grid-template-columns: 1fr; }
  .calendar-container { padding: 20px; }
  .calendar-date { font-size: 0.78rem; }
  .cta-card { padding: 36px 24px; }
  .course-meta { gap: 16px; }
}