/* ============================================================
   DevOps Academy — Main Stylesheet
   ============================================================ */

:root {
  --navy: #0A0E1A;
  --navy2: #111827;
  --card: #1A2035;
  --card2: #212B45;
  --cyan: #00D4FF;
  --cyan-dim: rgba(0,212,255,0.12);
  --cyan-glow: rgba(0,212,255,0.25);
  --green: #22D36B;
  --green-dim: rgba(34,211,107,0.12);
  --amber: #FFB830;
  --amber-dim: rgba(255,184,48,0.15);
  --purple: #8B5CF6;
  --purple-dim: rgba(139,92,246,0.12);
  --teal: #2DD4BF;
  --teal-dim: rgba(45,212,191,0.12);
  --red: #FF4757;
  --text: #E8EDF5;
  --muted: #7A8BA8;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(0,212,255,0.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: #03070f; }

body {
  font-family: 'Inter', sans-serif;
  background: transparent;
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Space canvas sits behind all content; draws its own #0A0E1A fill + stars */
#spaceCanvas { z-index: -1; }

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem;
  height: 68px;
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  color: var(--text); text-decoration: none;
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 700;
  color: #000;
}

.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--cyan); }

.nav-right { display: flex; align-items: center; gap: 1rem; }

.btn-ghost {
  background: none; border: 1px solid var(--border2);
  color: var(--cyan); padding: 8px 20px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 0.875rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { background: var(--cyan-dim); }

.btn-primary {
  background: var(--cyan); color: #000;
  border: none; padding: 8px 20px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 0.875rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
}
.btn-primary:hover { background: #00bcdf; transform: translateY(-1px); }


/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 4rem;
  padding: 120px 2.5rem 4rem;
  position: relative; overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute; top: -200px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute; bottom: -100px; left: 20%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--cyan-dim); border: 1px solid var(--border2);
  color: var(--cyan); padding: 6px 14px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 500; margin-bottom: 1.5rem;
}

.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); animation: pulse 2s infinite;
}

@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700; line-height: 1.15; margin-bottom: 1.5rem;
}
.hero-title .accent  { color: var(--cyan); }
.hero-title .accent2 { color: var(--green); }

.hero-desc {
  color: var(--muted); font-size: 1.05rem; line-height: 1.7;
  margin-bottom: 2.5rem; max-width: 480px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

.btn-cta {
  background: var(--amber); color: #000;
  border: none; padding: 14px 28px; border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: all 0.2s; text-decoration: none; display: inline-block;
}
.btn-cta:hover { background: #e0a020; transform: translateY(-2px); }

.btn-outline {
  background: none; border: 1px solid var(--border2);
  color: var(--text); padding: 14px 28px; border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s; text-decoration: none; display: inline-block;
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }

.hero-stats { display: flex; gap: 2rem; margin-top: 2.5rem; }
.stat-num   { font-family: 'Space Grotesk', sans-serif; font-size: 1.6rem; font-weight: 700; color: var(--cyan); }
.stat-label { font-size: 0.8rem; color: var(--muted); }

/* ============================================================
   TERMINAL CARD (HERO)
   ============================================================ */
.terminal-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 0 60px rgba(0,212,255,0.06);
}

.terminal-header {
  background: var(--card2); padding: 12px 16px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}

.dot   { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #FF5F56; }
.dot-y { background: #FFBD2E; }
.dot-g { background: #27C93F; }

.terminal-title {
  margin-left: auto; margin-right: auto;
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--muted);
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; line-height: 1.8;
  min-height: 340px;
}

.t-line    { display: flex; gap: 8px; margin-bottom: 4px; }
.t-prompt  { color: var(--green); flex-shrink: 0; }
.t-cmd     { color: var(--text); }
.t-out     { color: var(--muted); }
.t-success { color: var(--green); }
.t-info    { color: var(--cyan); }

.cursor {
  display: inline-block; width: 8px; height: 16px;
  background: var(--cyan); animation: blink 1s infinite; vertical-align: middle;
}
@keyframes blink { 0%,50% { opacity:1; } 51%,100% { opacity:0; } }

/* ============================================================
   TECH STACK BAR
   ============================================================ */
.tech-section {
  padding: 4rem 2.5rem;
  border-top: 1px solid var(--border);
}

.tech-label {
  text-align: center; color: var(--muted);
  font-size: 0.75rem; margin-bottom: 2rem;
  font-family: 'JetBrains Mono', monospace; letter-spacing: 0.1em;
}

.tech-logos {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center;
}

.tech-logo {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  padding: 1rem 1.25rem; border-radius: 12px; min-width: 90px;
  transition: all 0.2s; cursor: default;
}
.tech-logo:hover { border-color: var(--border2); transform: translateY(-2px); }
.tech-logo-icon { font-size: 1.8rem; }
.tech-logo-name { font-size: 0.7rem; color: var(--muted); font-weight: 500; }

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */
.section { padding: 5rem 2.5rem; }
.section-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  color: var(--cyan); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700; margin-bottom: 1rem;
}
.section-sub { color: var(--muted); font-size: 1.05rem; max-width: 600px; }

/* ============================================================
   IT CHANGE SECTION
   ============================================================ */
.it-change-section {
  padding: 5rem 2.5rem;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(45,212,191,0.02) 20%,
    rgba(45,212,191,0.03) 50%,
    rgba(45,212,191,0.01) 80%,
    transparent 100%
  );
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.it-change-section .section-label { color: var(--teal); }
.it-change-section .accent { color: var(--teal); }

/* Banner stats */
.change-banner {
  margin: 3rem 0;
  background: var(--card);
  border: 1px solid rgba(45,212,191,0.2);
  border-radius: 16px;
  overflow: hidden;
}

.change-banner-inner {
  display: flex; align-items: stretch;
}

.change-stat {
  flex: 1; padding: 2rem;
  text-align: center;
}

.change-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem; font-weight: 700;
  color: var(--teal); margin-bottom: 0.4rem;
}

.change-stat-label {
  color: var(--muted); font-size: 0.875rem; line-height: 1.4;
}

.change-divider {
  width: 1px; background: var(--border); flex-shrink: 0;
}

/* Roadmap */
.roadmap-header { margin-bottom: 2rem; }
.roadmap-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 700;
}

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

.roadmap-phase {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 1.5rem;
}

.phase-marker {
  display: flex; flex-direction: column; align-items: center;
}

.phase-dot {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--teal);
  background: var(--navy);
  flex-shrink: 0;
  position: relative; z-index: 1;
  margin-top: 4px;
  box-shadow: 0 0 8px rgba(45,212,191,0.4);
}

.phase-dot-final {
  background: var(--teal);
  box-shadow: 0 0 16px rgba(45,212,191,0.6);
}

.phase-line {
  flex: 1; width: 2px;
  background: linear-gradient(180deg, rgba(45,212,191,0.4), rgba(45,212,191,0.1));
  margin: 6px 0;
}

.phase-content {
  padding-bottom: 2.5rem;
}

.phase-last .phase-content { padding-bottom: 0; }

.phase-tag {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  color: var(--teal); text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.phase-tag-final {
  color: var(--amber);
}

.phase-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 0.6rem;
}

.phase-desc {
  color: var(--muted); font-size: 0.9rem; line-height: 1.7;
  margin-bottom: 1.25rem;
}

.phase-skills {
  display: flex; flex-direction: column; gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.skill-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 0.875rem 1.125rem;
  transition: border-color 0.2s;
}
.skill-item:hover { border-color: rgba(45,212,191,0.25); }

.skill-icon {
  font-size: 1.3rem; flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--card2); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}

.skill-name {
  font-weight: 600; font-size: 0.9rem; margin-bottom: 3px;
}

.skill-detail {
  color: var(--muted); font-size: 0.82rem;
}

.phase-outcome {
  background: rgba(45,212,191,0.08);
  border: 1px solid rgba(45,212,191,0.2);
  border-radius: 8px; padding: 0.75rem 1rem;
  font-size: 0.875rem; color: var(--teal);
}

/* Phase 5 next cards */
.phase-next-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem; margin-top: 0.25rem;
}

.phase-next-card {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.875rem 1rem;
  text-decoration: none; color: var(--text);
  transition: all 0.2s;
}
.phase-next-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
}

.pnc-icon { font-size: 1.2rem; flex-shrink: 0; }
.pnc-label { flex: 1; font-size: 0.85rem; font-weight: 500; }
.pnc-level {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  padding: 2px 7px; border-radius: 4px; letter-spacing: 0.04em;
  flex-shrink: 0;
}

/* Testimonials / profiles */
.change-profiles { margin-top: 4rem; }

.profiles-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}

.profile-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  transition: border-color 0.2s;
}
.profile-card:hover { border-color: rgba(45,212,191,0.2); }

.profile-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 0.9rem;
  color: #000;
}

.profile-name { font-weight: 700; font-size: 1rem; }
.profile-from { color: var(--teal); font-size: 0.8rem; }
.profile-quote { color: var(--muted); font-size: 0.875rem; line-height: 1.6; font-style: italic; }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.section#despre { padding: 5rem 2.5rem; }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center; margin-top: 3.5rem;
}

.about-photo {
  position: relative;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden;
  aspect-ratio: 4/5;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}

.about-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-size: 2.5rem; font-weight: 700;
  color: #000; margin-bottom: 1.5rem;
}

.about-name { font-family: 'Space Grotesk', sans-serif; font-size: 1.4rem; font-weight: 700; }
.about-role { color: var(--cyan); font-size: 0.9rem; margin-top: 4px; }

.about-badges {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 1.2rem; justify-content: center; padding: 0 1.5rem;
}

.badge {
  background: var(--card2); border: 1px solid var(--border);
  color: var(--muted); padding: 4px 12px; border-radius: 100px; font-size: 0.75rem;
}
.badge.cyan  { border-color: var(--border2); color: var(--cyan); background: var(--cyan-dim); }
.badge.green { border-color: rgba(34,211,107,0.3); color: var(--green); background: var(--green-dim); }

.about-text { color: var(--muted); font-size: 1rem; line-height: 1.8; margin-bottom: 1.5rem; }

.exp-items  { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.exp-item   {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1.25rem;
}
.exp-icon {
  width: 40px; height: 40px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.exp-icon.c { background: var(--cyan-dim); }
.exp-icon.g { background: var(--green-dim); }
.exp-icon.p { background: var(--purple-dim); }
.exp-role    { font-weight: 600; font-size: 0.95rem; }
.exp-company { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

/* ============================================================
   COURSES SECTION
   ============================================================ */
.courses-section {
  padding: 5rem 2.5rem;
  background: linear-gradient(180deg, transparent, rgba(0,212,255,0.02) 50%, transparent);
}

.levels-tabs {
  display: flex; gap: 6px; margin: 3rem 0 2.5rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 5px; width: fit-content;
}

.level-tab {
  padding: 10px 22px; border-radius: 8px; border: none;
  background: none; color: var(--muted); font-family: 'Inter', sans-serif;
  font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s;
}
.level-tab.active          { background: var(--card2); color: var(--text); }
.level-tab.active.l0       { color: var(--teal); }
.level-tab.active.l1       { color: var(--green); }
.level-tab.active.l2       { color: var(--amber); }
.level-tab.active.l3       { color: var(--purple); }

.courses-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem;
}

.course-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden; transition: all 0.25s;
  cursor: pointer; text-decoration: none; display: block;
}
.course-card:hover {
  transform: translateY(-4px); border-color: var(--border2);
  box-shadow: 0 12px 40px rgba(0,212,255,0.07);
}

.course-thumb {
  height: 160px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.course-thumb.green  { background: linear-gradient(135deg, rgba(34,211,107,0.1), rgba(34,211,107,0.04)); }
.course-thumb.amber  { background: linear-gradient(135deg, rgba(255,184,48,0.1), rgba(255,184,48,0.04)); }
.course-thumb-icon   { font-size: 4rem; opacity: 0.7; }

.course-level-badge {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 10px; border-radius: 6px;
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
}

.lv-zero   { background: rgba(45,212,191,0.15); color: var(--teal);   border: 1px solid rgba(45,212,191,0.3); }
.lv-basic  { background: rgba(34,211,107,0.15); color: var(--green);  border: 1px solid rgba(34,211,107,0.3); }
.lv-medium { background: rgba(255,184,48,0.15); color: var(--amber);  border: 1px solid rgba(255,184,48,0.3); }
.lv-expert { background: rgba(139,92,246,0.15); color: var(--purple); border: 1px solid rgba(139,92,246,0.3); }

.course-body  { padding: 1.25rem; }
.course-icon-row { display: flex; gap: 6px; margin-bottom: 0.75rem; flex-wrap: wrap; }

.tech-pill {
  display: flex; align-items: center; gap: 4px;
  background: var(--card2); border: 1px solid var(--border);
  color: var(--muted); padding: 3px 9px; border-radius: 6px; font-size: 0.7rem;
}

.course-title { font-family: 'Space Grotesk', sans-serif; font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.course-desc  { color: var(--muted); font-size: 0.85rem; line-height: 1.6; margin-bottom: 1rem; }

.course-meta { display: flex; justify-content: space-between; align-items: center; }
.course-slides { color: var(--muted); font-size: 0.8rem; }
.course-price  { font-family: 'Space Grotesk', sans-serif; font-weight: 700; }
.course-price.teal   { color: var(--teal); }
.course-price.green  { color: var(--green); }
.course-price.amber  { color: var(--amber); }
.course-price.purple { color: var(--purple); }

/* ============================================================
   SANDBOX SECTION
   ============================================================ */
.sandbox-section { padding: 5rem 2.5rem; }

.cloud-tabs { display: flex; gap: 1rem; flex-wrap: wrap; }

.cloud-tab {
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); padding: 10px 20px; border-radius: 10px;
  font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.cloud-tab:hover { border-color: var(--border2); color: var(--text); }
.cloud-tab.active-azure { border-color: rgba(0,136,255,0.5); color: #0088FF; background: rgba(0,136,255,0.08); }
.cloud-tab.active-aws   { border-color: rgba(255,153,0,0.5);  color: #FF9900; background: rgba(255,153,0,0.08); }
.cloud-tab.active-gcp   { border-color: rgba(66,133,244,0.5); color: #4285F4; background: rgba(66,133,244,0.08); }
.cloud-tab.active-local { border-color: rgba(34,211,107,0.5); color: var(--green); background: var(--green-dim); }

.sandbox-demo {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border); border-radius: 16px; overflow: hidden;
  margin-top: 2rem; min-height: 480px;
}

.sandbox-slides {
  background: var(--card); padding: 2rem;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
}

.slide-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 1.5rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--muted);
}

.slide-progress { display: flex; gap: 4px; margin-bottom: 1.5rem; }
.prog-dot        { width: 24px; height: 4px; border-radius: 2px; background: var(--border); }
.prog-dot.done   { background: var(--cyan); }
.prog-dot.active { background: var(--cyan); opacity: 0.5; }

.slide-content { flex: 1; }
.slide-title   { font-family: 'Space Grotesk', sans-serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; }
.slide-body    { color: var(--muted); font-size: 0.9rem; line-height: 1.7; }
.slide-body code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--card2); color: var(--cyan);
  padding: 2px 6px; border-radius: 4px; font-size: 0.8rem;
}

.slide-nav { display: flex; gap: 8px; justify-content: flex-end; margin-top: 1.5rem; }
.slide-btn {
  background: var(--card2); border: 1px solid var(--border);
  color: var(--text); padding: 8px 16px; border-radius: 8px;
  font-size: 0.85rem; cursor: pointer; transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.slide-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.slide-btn.next  { background: var(--cyan); color: #000; border-color: var(--cyan); font-weight: 600; }
.slide-btn.next:hover { background: #00bcdf; }

.sandbox-terminal { background: #0D1117; display: flex; flex-direction: column; }

.sb-header {
  padding: 10px 16px; background: #161B22;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center; justify-content: space-between;
}

.sb-tabs  { display: flex; }
.sb-tab   {
  padding: 6px 16px; font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  border-bottom: 2px solid transparent; color: var(--muted); cursor: pointer;
}
.sb-tab.active { color: var(--cyan); border-color: var(--cyan); }

.sb-actions { display: flex; gap: 8px; }
.sb-action-btn {
  background: rgba(255,255,255,0.05); border: none; color: var(--muted);
  padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; transition: all 0.15s;
}
.sb-action-btn:hover { background: rgba(255,255,255,0.1); color: var(--text); }

.sb-body {
  flex: 1; padding: 1rem 1.25rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; line-height: 1.7;
  overflow-y: auto;
}

.sb-prompt  { color: var(--green); }
.sb-path    { color: var(--cyan); }
.sb-cmd     { color: var(--text); }
.sb-out     { color: #9CA3AF; }
.sb-success { color: var(--green); }
.sb-error   { color: var(--red); }

.sb-input-row {
  padding: 10px 1.25rem; border-top: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center; gap: 8px;
}
.sb-input-label {
  color: var(--green); font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem; flex-shrink: 0; white-space: nowrap;
}
.sb-input {
  flex: 1; background: none; border: none; color: var(--text);
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; outline: none;
}

/* ============================================================
   PRICING SECTION
   ============================================================ */
.pricing-section { padding: 5rem 2.5rem; }

.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-top: 3rem;
}

.pricing-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem; position: relative; transition: all 0.25s;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(0,212,255,0.05) 0%, var(--card) 100%);
}

.pricing-badge-featured {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--cyan); color: #000;
  padding: 4px 16px; border-radius: 100px;
  font-size: 0.75rem; font-weight: 700; white-space: nowrap;
}

.pricing-tier { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 0.75rem; }
.pricing-name { font-family: 'Space Grotesk', sans-serif; font-size: 1.4rem; font-weight: 700; margin-bottom: 0.5rem; }

.pricing-price  { margin: 1.25rem 0; }
.pricing-amount { font-family: 'Space Grotesk', sans-serif; font-size: 2.5rem; font-weight: 700; }
.pricing-period { color: var(--muted); font-size: 0.875rem; }
.pricing-desc   { color: var(--muted); font-size: 0.875rem; margin-bottom: 1.5rem; line-height: 1.6; }

.pricing-features {
  list-style: none; display: flex; flex-direction: column;
  gap: 0.75rem; margin-bottom: 2rem;
}
.pricing-features li { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; }

.feat-check {
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; flex-shrink: 0;
}
.feat-check.on  { background: var(--green-dim); color: var(--green); border: 1px solid rgba(34,211,107,0.3); }
.feat-check.off { background: var(--card2); color: var(--muted); border: 1px solid var(--border); }

.btn-enroll {
  width: 100%; padding: 12px; border-radius: 10px;
  font-size: 0.9rem; font-weight: 600; font-family: 'Inter', sans-serif;
  cursor: pointer; transition: all 0.2s; border: none;
}
.btn-enroll.outline { background: none; border: 1px solid var(--border2); color: var(--cyan); }
.btn-enroll.outline:hover { background: var(--cyan-dim); }
.btn-enroll.filled { background: var(--cyan); color: #000; }
.btn-enroll.filled:hover { background: #00bcdf; }
.btn-enroll.amber { background: var(--amber); color: #000; }
.btn-enroll.amber:hover { background: #e0a020; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2.5rem 2rem;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  background: var(--navy);
}

.footer-brand-desc {
  color: var(--muted); font-size: 0.875rem;
  margin-top: 1rem; line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted); margin-bottom: 1rem;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  color: var(--muted); text-decoration: none;
  font-size: 0.875rem; transition: color 0.2s;
}
.footer-links a:hover { color: var(--cyan); }

.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem; margin-top: 1rem;
  display: flex; justify-content: space-between;
  color: var(--muted); font-size: 0.8rem;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 2.5rem; width: 100%; max-width: 420px;
  position: relative;
}

.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--card2); border: 1px solid var(--border);
  color: var(--muted); width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.1rem; transition: all 0.2s;
}
.modal-close:hover { color: var(--text); border-color: var(--border2); }

.modal-title { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.modal-sub   { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }

.modal-tabs {
  display: flex; background: var(--navy2);
  border-radius: 8px; padding: 4px; margin-bottom: 1.5rem;
}
.modal-tab {
  flex: 1; text-align: center; padding: 8px; border-radius: 6px;
  font-size: 0.875rem; font-weight: 500; cursor: pointer; color: var(--muted);
  background: none; border: none; font-family: 'Inter', sans-serif; transition: all 0.2s;
}
.modal-tab.active { background: var(--card2); color: var(--text); }

.form-group   { margin-bottom: 1rem; }
.form-label   { font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; display: block; font-weight: 500; }
.form-input {
  width: 100%; background: var(--navy2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 14px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 0.9rem; outline: none;
  transition: border-color 0.2s;
}
.form-input:focus        { border-color: var(--cyan); }
.form-input::placeholder { color: var(--muted); }

.btn-submit {
  width: 100%; background: var(--cyan); color: #000;
  border: none; padding: 12px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 700; font-family: 'Inter', sans-serif;
  cursor: pointer; transition: all 0.2s; margin-top: 1rem;
}
.btn-submit:hover { background: #00bcdf; }

.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 1.25rem 0; color: var(--muted); font-size: 0.8rem;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

.oauth-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.oauth-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--card2); border: 1px solid var(--border);
  color: var(--text); padding: 10px; border-radius: 8px;
  font-size: 0.85rem; cursor: pointer; transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.oauth-btn:hover { border-color: var(--border2); background: var(--card); }

.payment-section { border-top: 1px solid var(--border); padding-top: 1.5rem; margin-top: 1.5rem; }
.payment-title   { font-weight: 600; margin-bottom: 1rem; font-size: 0.9rem; }

.card-input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; }
  footer { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hero          { grid-template-columns: 1fr; padding-top: 100px; }
  .about-grid    { grid-template-columns: 1fr; }
  .sandbox-demo  { grid-template-columns: 1fr; }
  .nav-links     { display: none; }
  .profiles-grid { grid-template-columns: 1fr; }
  .change-banner-inner { flex-direction: column; }
  .change-divider { width: 100%; height: 1px; }
}

@media (max-width: 600px) {
  nav { padding: 0 1rem; }
  .section, .it-change-section, .courses-section,
  .sandbox-section, .pricing-section, .tech-section { padding: 3rem 1rem; }
  .hero { padding: 100px 1rem 3rem; gap: 2rem; }
  footer { padding: 2rem 1rem; grid-template-columns: 1fr; }
  .footer-brand, .footer-bottom { grid-column: 1; }
  .phase-next-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 1.25rem; }
  /* Keep nav CTA visible and compact on small screens */
  .nav-right .btn-primary { font-size: 0.78rem; padding: 7px 12px; white-space: nowrap; }
  .nav-right .nav-dashboard-btn { font-size: 0.78rem; padding: 7px 12px; }
}

/* ── Language toggle ── */
.lang-toggle {
  display: flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 3px 5px;
  flex-shrink: 0;
}
.lang-btn {
  background: none; border: none;
  color: #5A6480; font-family: 'Inter', sans-serif;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em;
  cursor: pointer; padding: 3px 8px; border-radius: 5px;
  transition: all 0.15s;
}
.lang-btn.active { background: rgba(0,212,255,0.15); color: #00D4FF; }
.lang-btn:hover:not(.active) { color: #94a3b8; }
.lang-sep { color: #2a3550; font-size: 0.7rem; user-select: none; }

/* ── GitHub modal button ── */
.btn-github {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 12px;
  background: #24292e; color: #fff;
  border: 1px solid rgba(255,255,255,0.12); border-radius: 10px;
  padding: 13px 24px; margin-top: 0.75rem;
  font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.btn-github:hover { background: #2f363d; box-shadow: 0 4px 12px rgba(0,0,0,0.35); }
.btn-github:disabled { opacity: 0.6; cursor: not-allowed; }