/* ==========================================================================
   ARC XENYX — Engineering Systems
   Shared stylesheet
   ========================================================================== */

:root {
  --bg: #08090b;
  --bg-elevated: #101215;
  --bg-card: #131519;
  --border: #24272d;
  --border-soft: #1b1d22;
  --text: #f2f3f5;
  --text-dim: #9a9ea6;
  --text-faint: #6b6f77;
  --orange: #ff7a1a;
  --orange-dim: #cc5f10;
  --orange-glow: rgba(255, 122, 26, 0.18);
  --green: #21c37a;
  --red: #ff4d4f;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
  --radius: 10px;
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* -------------------------------------------------------------------------
   Header
   ------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 11, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  line-height: 1.1;
}

.logo .logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.logo .logo-text {
  display: flex;
  flex-direction: column;
}

.logo .logo-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--text);
}

.logo .logo-main span {
  color: var(--orange);
}

.logo .logo-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--text-faint);
  margin-top: 3px;
}

.main-nav ul {
  display: flex;
  gap: 40px;
}

.main-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -26px;
  height: 2px;
  background: var(--orange);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  display: block;
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 6px;
  font-size: 14.5px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--orange);
  color: #0a0a0a;
}

.btn-primary:hover {
  background: #ff8c3c;
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 100px;
  background:
    radial-gradient(ellipse 60% 55% at 78% 45%, var(--orange-glow), transparent 70%),
    linear-gradient(180deg, #0a0b0d 0%, #08090b 100%);
  border-bottom: 1px solid var(--border-soft);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.5), transparent 75%);
  opacity: 0.5;
  pointer-events: none;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: inline-block;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.hero h1 .accent {
  color: var(--orange);
  display: block;
}

.hero p.lead {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 34px;
}

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

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 420px;
}

.hero-visual .ring {
  position: absolute;
  width: 340px;
  height: 340px;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.hero-visual .ring::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: var(--orange);
  border-right-color: var(--orange);
  animation: spin 14s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hero-visual .mark {
  position: relative;
  width: 230px;
  height: auto;
}

/* -------------------------------------------------------------------------
   Section basics
   ------------------------------------------------------------------------- */

.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border-soft);
}

.section-alt {
  background: var(--bg-elevated);
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-head h2 span {
  color: var(--orange);
}

.section-head p {
  color: var(--text-dim);
  font-size: 15.5px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split .visual {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.split .visual .mark-small {
  width: 90px;
  opacity: 0.9;
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-row + .split-row {
  margin-top: 96px;
}

.split-row .visual-flip {
  order: 2;
}

.split-row:nth-child(even) .visual-flip {
  order: -1;
}

/* -------------------------------------------------------------------------
   Cards grid
   ------------------------------------------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--orange-dim);
  transform: translateY(-3px);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-dim);
  font-size: 14.5px;
}

.icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--orange-glow);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
}

/* -------------------------------------------------------------------------
   Team
   ------------------------------------------------------------------------- */

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

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

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.team-card:hover {
  border-color: var(--orange-dim);
  transform: translateY(-3px);
}

.avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 1.5px solid var(--orange);
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  background: linear-gradient(160deg, #241a10, #120c07);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.role {
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
  display: block;
}

.role-badge-group-sm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.role-founder-badge-sm {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(255, 122, 26, 0.08);
  border: 1px solid var(--orange-dim);
  border-radius: 20px;
  padding: 3px 12px;
}

.role-title-line-sm {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
}

.team-card p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 20px;
}

/* -------------------------------------------------------------------------
   Tags / pills
   ------------------------------------------------------------------------- */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag {
  border: 1px solid var(--orange-dim);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 20px;
}

/* -------------------------------------------------------------------------
   Feature checklist
   ------------------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 14.5px;
}

.feature-item .check {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--green);
  color: #04160c;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

/* -------------------------------------------------------------------------
   CTA band
   ------------------------------------------------------------------------- */

.cta-band {
  text-align: center;
  padding: 100px 0;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-band p {
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 32px;
}

/* -------------------------------------------------------------------------
   Page header (interior pages)
   ------------------------------------------------------------------------- */

.page-header {
  padding: 80px 0 56px;
  background: radial-gradient(ellipse 70% 60% at 15% 0%, var(--orange-glow), transparent 65%);
  border-bottom: 1px solid var(--border-soft);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.breadcrumb .orange {
  color: var(--orange);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.page-header h1 span {
  color: var(--orange);
}

.page-header p {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 560px;
}

/* -------------------------------------------------------------------------
   Projects list
   ------------------------------------------------------------------------- */

.project-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 30px;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.project-row:hover {
  border-color: var(--orange-dim);
  transform: translateX(4px);
}

.project-row .info h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 6px;
}

.project-row .info span {
  color: var(--text-faint);
  font-size: 13.5px;
  font-family: var(--font-mono);
}

.project-row .view {
  color: var(--orange);
  font-weight: 600;
  font-size: 14.5px;
  white-space: nowrap;
}

/* -------------------------------------------------------------------------
   Project detail — device mock / dashboard mock
   ------------------------------------------------------------------------- */

.device-frame {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(160deg, #121316, #0a0b0d);
  padding: 6px;
  overflow: hidden;
}

.device-frame img {
  border-radius: 10px;
  width: 100%;
}

.dashboard-mock {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0c0d10;
  padding: 24px;
}

.dashboard-mock .dm-title {
  text-align: center;
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 13px;
  letter-spacing: 2px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 18px;
}

.dm-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.dm-stat {
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.dm-stat .label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.dm-stat .value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

.dm-stat.low .value { color: var(--green); }

.dm-body {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
}

.dm-map {
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  min-height: 190px;
  background:
    radial-gradient(circle at 30% 40%, rgba(255,122,26,0.12), transparent 45%),
    repeating-linear-gradient(0deg, transparent, transparent 23px, var(--border-soft) 24px),
    repeating-linear-gradient(90deg, transparent, transparent 23px, var(--border-soft) 24px);
  position: relative;
}

.dm-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px var(--orange-glow);
}

.dm-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dm-panel {
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-dim);
}

.dm-panel .dm-panel-title {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 11px;
}

.dm-panel .alert-critical {
  color: var(--red);
}

/* -------------------------------------------------------------------------
   Contact
   ------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}

.field {
  margin-bottom: 18px;
}

.field input,
.field textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14.5px;
  transition: border-color 0.2s ease;
}

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

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--orange);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-faint);
}

.form-status {
  margin-top: 14px;
  font-size: 14px;
  color: var(--green);
  display: none;
}

.form-status.visible {
  display: block;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin-bottom: 6px;
}

.contact-info-card .sub {
  color: var(--text-faint);
  font-size: 13px;
  margin-bottom: 24px;
}

.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 14.5px;
  color: var(--text-dim);
}

.contact-line strong {
  color: var(--text);
  font-weight: 600;
}

.contact-line .ico {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--orange-glow);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 15px;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */

.site-footer {
  background: var(--bg);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-grid .footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-grid .footer-logo-row img {
  height: 32px;
  width: auto;
}

.footer-grid .logo-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  margin-bottom: 14px;
}

.footer-grid .footer-logo-row .logo-main {
  margin-bottom: 0;
}

.footer-grid .logo-main span {
  color: var(--orange);
}

.footer-grid p {
  color: var(--text-faint);
  font-size: 14px;
  max-width: 320px;
}

.footer-grid h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text);
}

.footer-grid ul li {
  margin-bottom: 12px;
}

.footer-grid ul li a {
  color: var(--text-faint);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-grid ul li a:hover {
  color: var(--orange);
}

.footer-contact-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-faint);
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-contact-line .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 22px 0;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.footer-legal-links {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-legal-links a {
  color: var(--text-faint);
  transition: color 0.2s ease;
}

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

.dot-sep {
  color: var(--border);
}

/* -------------------------------------------------------------------------
   About Us — legal action buttons
   ------------------------------------------------------------------------- */

.legal-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
}

/* -------------------------------------------------------------------------
   Courses
   ------------------------------------------------------------------------- */

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

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.course-card:hover {
  border-color: var(--orange-dim);
  transform: translateY(-3px);
}

.course-card .course-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--orange-glow);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 18px;
}

.course-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 8px;
}

.course-card .level {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 14px;
  width: fit-content;
}

.course-card p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 22px;
  flex-grow: 1;
}

/* -------------------------------------------------------------------------
   Auth forms (enrollment / login)
   ------------------------------------------------------------------------- */

.auth-wrap {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.auth-tabs {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 28px;
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  cursor: pointer;
  background: transparent;
  border: none;
  font-family: var(--font-body);
  transition: background 0.2s ease, color 0.2s ease;
}

.auth-tab.active {
  background: var(--orange);
  color: #0a0a0a;
}

.auth-panel {
  display: none;
}

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

.field label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 500;
}

.field select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14.5px;
  transition: border-color 0.2s ease;
}

.field select:focus {
  outline: none;
  border-color: var(--orange);
}

.form-error {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--red);
  display: none;
}

.form-error.visible {
  display: block;
}

.auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: 6px;
}

.auth-switch {
  text-align: center;
  font-size: 13.5px;
  color: var(--text-faint);
  margin-top: 20px;
}

.auth-switch a {
  color: var(--orange);
  font-weight: 600;
}

/* -------------------------------------------------------------------------
   Student dashboard
   ------------------------------------------------------------------------- */

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.dash-welcome h1 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 6px;
}

.dash-welcome p {
  color: var(--text-dim);
  font-size: 14.5px;
}

.dash-course-banner {
  background: linear-gradient(135deg, rgba(255,122,26,0.14), rgba(255,122,26,0.02));
  border: 1px solid var(--orange-dim);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}

.dash-course-banner .tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.dash-course-banner h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
}

.dash-course-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.dash-course-block .dash-course-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 16px;
}

.module-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.module-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
}

.module-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  border: 1px solid var(--orange-dim);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.module-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 3px;
}

.module-item p {
  font-size: 13px;
  color: var(--text-faint);
}

.module-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-faint);
  white-space: nowrap;
}

/* -------------------------------------------------------------------------
   Legal pages
   ------------------------------------------------------------------------- */

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  margin: 36px 0 12px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 12px;
}

.legal-content ul {
  list-style: disc;
  padding-left: 22px;
}

.legal-updated {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 40px;
  display: block;
}

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

@media (max-width: 720px) {
  .course-grid {
    grid-template-columns: 1fr;
  }

  .auth-wrap {
    padding: 28px 22px;
  }
}

/* -------------------------------------------------------------------------
   Member profile pages
   ------------------------------------------------------------------------- */

.profile-hero {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: center;
}

.profile-photo {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  overflow: hidden;
  background: linear-gradient(160deg, #241a10, #120c07);
  flex-shrink: 0;
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name-block .role-tag {
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  display: block;
  margin-bottom: 8px;
}

.role-badge-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 12px;
}

.role-founder-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(255, 122, 26, 0.08);
  border: 1px solid var(--orange-dim);
  border-radius: 20px;
  padding: 4px 14px;
}

.role-title-line {
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--text-dim);
}

.profile-name-block h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.profile-name-block .tagline {
  color: var(--text-dim);
  font-size: 15px;
  margin-bottom: 18px;
  max-width: 560px;
}

.profile-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.social-row a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-dim);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.social-row a:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
}

.stat-box .num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 4px;
}

.stat-box .label {
  font-size: 12.5px;
  color: var(--text-dim);
}

.skill-bars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 40px;
}

.skill-bar-item .top {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  margin-bottom: 8px;
}

.skill-bar-item .top .pct {
  color: var(--orange);
  font-weight: 600;
}

.skill-bar-track {
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: var(--border-soft);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--orange-dim), var(--orange));
}

.project-card-img {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.project-card-img:hover {
  border-color: var(--orange-dim);
  transform: translateY(-3px);
}

.project-card-img .thumb {
  width: 100%;
  height: 150px;
  background: linear-gradient(160deg, #1c1409, #0d0906);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--orange-dim);
}

.project-card-img .body {
  padding: 18px 20px 22px;
}

.project-card-img h3 {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 6px;
}

.project-card-img p {
  color: var(--text-dim);
  font-size: 13.5px;
  margin-bottom: 12px;
}

.timeline {
  border-left: 2px solid var(--border);
  padding-left: 26px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  border: 2px solid var(--bg);
}

.timeline-item .when {
  color: var(--orange);
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}

.timeline-item h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-item ul {
  color: var(--text-dim);
  font-size: 13.5px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.timeline-item ul li::before {
  content: "— ";
  color: var(--orange-dim);
}

.tech-icon-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.tech-icon-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 10px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.tech-icon-item:hover {
  border-color: var(--orange-dim);
  transform: translateY(-3px);
}

.tech-icon-item .mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(160deg, #241a10, #120c07);
  border: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--orange);
}

.tech-icon-item .label {
  font-size: 12.5px;
  color: var(--text-dim);
}

/* -------------------------------------------------------------------------
   Careers page
   ------------------------------------------------------------------------- */

.job-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.job-card:hover {
  border-color: var(--orange-dim);
  transform: translateY(-2px);
}

.job-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.job-card .job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.job-card .job-meta span {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--orange);
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  padding: 4px 12px;
}

.job-card p {
  color: var(--text-dim);
  font-size: 13.5px;
  max-width: 560px;
}

.job-card .job-apply-btn {
  flex-shrink: 0;
}

.success-panel {
  display: none;
  text-align: center;
  padding: 50px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.success-panel.visible {
  display: block;
}

.success-panel .check {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(160deg, #241a10, #120c07);
  border: 1.5px solid var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 26px;
  color: var(--orange);
}

.success-panel h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.success-panel p {
  color: var(--text-dim);
  font-size: 14.5px;
  max-width: 440px;
  margin: 0 auto 22px;
}

.field-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}

.field .file-input-wrap {
  position: relative;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 18px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13.5px;
  transition: border-color 0.2s ease;
  cursor: pointer;
}

.field .file-input-wrap:hover {
  border-color: var(--orange-dim);
}

.field .file-input-wrap input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.field .file-input-wrap .file-name {
  color: var(--orange);
  font-weight: 600;
}

/* -------------------------------------------------------------------------
   WhatsApp float button
   ------------------------------------------------------------------------- */

.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--orange);
  color: #1a0d02;
  font-weight: 600;
  font-size: 14px;
  padding: 13px 20px;
  border-radius: 30px;
  box-shadow: 0 8px 24px rgba(255, 122, 26, 0.35);
  transition: transform 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
}

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero .container,
  .split,
  .split-row,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .split-row .visual-flip,
  .split-row:nth-child(even) .visual-flip {
    order: -1;
  }

  .grid-2,
  .grid-3,
  .team-grid,
  .feature-grid,
  .dm-stats {
    grid-template-columns: 1fr 1fr;
  }

  .team-grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-grid,
  .skill-bars {
    grid-template-columns: 1fr 1fr;
  }

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

  .job-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .job-card .job-apply-btn {
    width: 100%;
  }

  .field-row-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .profile-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .profile-photo {
    margin: 0 auto;
  }

  .profile-actions,
  .social-row {
    justify-content: center;
  }

  .stat-grid,
  .skill-bars {
    grid-template-columns: 1fr;
  }

  .stat-grid,
  .skill-bars {
    grid-template-columns: 1fr;
  }

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

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    padding: 20px 32px;
    gap: 0;
  }

  .main-nav ul li {
    padding: 14px 0;
    border-bottom: 1px solid var(--border-soft);
  }

  .main-nav a.active::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .grid-2,
  .grid-3,
  .team-grid,
  .feature-grid,
  .dm-stats,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .team-grid-4 {
    grid-template-columns: 1fr;
  }

  .dm-body {
    grid-template-columns: 1fr;
  }

  .project-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .hero {
    padding: 70px 0 60px;
  }

  .section {
    padding: 64px 0;
  }
}

/* -------------------------------------------------------------------------
   Tutorial / Learning engine (W3Schools-style)
   ------------------------------------------------------------------------- */

.tutorial-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.tutorial-sidebar {
  position: sticky;
  top: 96px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  max-height: calc(100vh - 130px);
  overflow-y: auto;
}

.tutorial-sidebar .course-select {
  width: 100%;
  margin-bottom: 16px;
}

.tutorial-sidebar .chapter-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  border-left: 2px solid transparent;
}

.tutorial-sidebar .chapter-link:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.tutorial-sidebar .chapter-link.active {
  background: rgba(255, 122, 26, 0.08);
  color: var(--orange);
  border-left-color: var(--orange);
  font-weight: 600;
}

.tutorial-sidebar .chapter-num {
  display: inline-block;
  width: 20px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.tutorial-content h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
}

.tutorial-content .theory {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.tutorial-content .theory code {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.code-block {
  background: #0a0b0d;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
}

.code-block .code-block-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-faint);
  text-transform: uppercase;
}

.code-block pre {
  padding: 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #e8e6e3;
}

.code-block .output-panel {
  border-top: 1px solid var(--border-soft);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #7dd88a;
  background: #060706;
  white-space: pre-wrap;
}

.tryit-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.tryit-box .tryit-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-soft);
}

.tryit-box .tryit-head h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
}

.tryit-editor {
  width: 100%;
  min-height: 180px;
  background: #0a0b0d;
  color: #e8e6e3;
  border: none;
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  padding: 16px;
  resize: vertical;
  outline: none;
}

.tryit-result {
  background: #fff;
  min-height: 80px;
}

.tryit-result iframe {
  width: 100%;
  min-height: 160px;
  border: none;
  display: block;
  background: #fff;
}

.tryit-result .py-output {
  background: #060706;
  color: #7dd88a;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 16px;
  white-space: pre-wrap;
  min-height: 60px;
}

.task-box {
  background: rgba(255, 122, 26, 0.06);
  border: 1px solid var(--orange-dim);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 24px;
}

.task-box .task-label {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.task-box p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

.chapter-nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
}

.course-picker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.course-picker-grid a {
  display: block;
  text-align: center;
  padding: 10px 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.course-picker-grid a.active,
.course-picker-grid a:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.pyodide-loading {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
  padding: 10px 16px;
}

@media (max-width: 900px) {
  .tutorial-layout {
    grid-template-columns: 1fr;
  }
  .tutorial-sidebar {
    position: static;
    max-height: none;
  }
  .course-picker-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -------------------------------------------------------------------------
   Tutorial gating, feedback & completion banners
   ------------------------------------------------------------------------- */

.course-picker-grid a.locked-course {
  color: var(--text-faint);
  opacity: 0.7;
}

.gate-box {
  text-align: center;
  max-width: 600px;
  margin: 20px auto;
  padding: 50px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.gate-box .gate-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.gate-box h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.gate-box p {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.6;
}

.feedback-banner {
  background: linear-gradient(160deg, rgba(255,122,26,0.07), rgba(255,122,26,0.02));
  border: 1px solid var(--orange-dim);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-bottom: 24px;
  text-align: center;
}

.feedback-banner .credit-line {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
}

.feedback-banner h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feedback-banner p {
  color: var(--text-dim);
  font-size: 13.5px;
  margin-bottom: 14px;
}

.feedback-banner .star-row {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 24px;
}

.feedback-banner .star {
  color: var(--border);
  cursor: pointer;
  transition: color 0.15s ease;
}

.feedback-banner .star.filled {
  color: var(--orange);
}

.feedback-banner .feedback-textarea {
  max-width: 500px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.feedback-banner.completion-banner {
  text-align: center;
}

.feedback-banner.completion-banner .gate-icon {
  font-size: 36px;
  margin-bottom: 10px;
}

.feedback-banner.completion-banner h4 {
  font-size: 20px;
  margin-bottom: 14px;
}

.feedback-banner.completion-banner .credit-line {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 14px;
}

/* -------------------------------------------------------------------------
   Certificate preview
   ------------------------------------------------------------------------- */

.certificate-preview {
  margin-top: 24px;
  padding: 40px 30px;
  text-align: center;
  background: linear-gradient(160deg, #14100a, #0a0705);
  border: 2px solid var(--orange-dim);
  border-radius: var(--radius);
  position: relative;
}

.certificate-preview::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 122, 26, 0.35);
  border-radius: 10px;
  pointer-events: none;
}

.cert-preview-header {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 4px;
}

.cert-preview-header span {
  color: var(--orange);
}

.cert-preview-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: 26px;
}

.cert-preview-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 10px;
}

.cert-preview-course {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.cert-preview-footer {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}

@media (max-width: 600px) {
  .cert-preview-footer {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }
}