/* ================================================================
   mentorship.css — styles unique to the 1:1 mentorship page
   Depends on: tokens.css, base.css, site.css
   ================================================================ */

/* Anchored sections must clear both the sticky header and this sub-nav. */
html:has(.page-nav) { scroll-padding-top: 124px; }

/* ================================================================
   PAGE SUB-NAV (in-page section anchors)
   ================================================================ */
.page-nav {
  position: sticky;
  top: 64px;
  z-index: 40;
  border-block: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.page-nav-inner {
  max-width: var(--content);
  margin: 0 auto;
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  scrollbar-width: none;
  padding: var(--space-3) clamp(var(--space-4), 4vw, var(--space-10));
}
.page-nav-inner::-webkit-scrollbar { display: none; }
.page-nav a {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: var(--space-1);
  border-bottom: 2px solid transparent;
}
.page-nav a:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-12), 7vw, var(--space-24)) clamp(var(--space-4), 4vw, var(--space-10)) var(--space-12);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.hero-inner { position: relative; }


.hero-title {
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: var(--space-6);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 58ch;
  margin-bottom: var(--space-8);
}
.hero-sub strong { color: var(--color-text); font-weight: 600; }


.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5) 0;
  max-width: 44rem;
}
.hero-meta > div { padding-inline: var(--space-5); }
.hero-meta > div:first-child { padding-inline-start: 0; }
.hero-meta > div + div { border-inline-start: 1px solid var(--color-border-strong); }
.hero-meta .k {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.hero-meta .l {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Code card */
.code-card {
  position: relative;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(139, 141, 255, 0.05);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 500ms var(--ease-out);
}
.code-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(139, 141, 255, 0.25), transparent 60%);
  pointer-events: none;
}
.code-card:hover { transform: perspective(1200px) rotateY(-1deg) rotateX(0deg); }
.code-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg-deep) 80%, transparent);
}
.code-head span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-border-strong);
}
.code-head span:nth-child(1) { background: #ff5f57; }
.code-head span:nth-child(2) { background: #febc2e; }
.code-head span:nth-child(3) { background: #28c840; }
.code-head em {
  margin-left: var(--space-3);
  font-style: normal;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.code-card pre {
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: #cfd1f0;
  overflow-x: auto;
}
.c-kw  { color: #b086ff; font-weight: 500; }
.c-str { color: #8ee1ff; }
.c-com { color: #6b6b85; font-style: italic; }
.c-fn  { color: #ffb77b; }


/* ================================================================
   ABOUT
   ================================================================ */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
}
.about-card {
  padding: var(--space-8);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(214, 92, 255, 0.15), transparent 70%);
  pointer-events: none;
}
.avatar {
  margin-bottom: var(--space-5);
  display: inline-block;
  border-radius: 50%;
  padding: 3px;
  background: var(--grad);
}
.avatar {
  /* The gradient ring is the parent's background; this line keeps it visible. */
  line-height: 0;
}
.avatar svg,
.avatar img {
  border-radius: 50%;
  background: var(--color-bg);
  display: block;
}
.avatar svg { padding: 3px; }
.avatar img {
  /* Rendered at 80 CSS px from a 600px source, so it stays sharp on retina. */
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 3px solid var(--color-bg);
}
.about-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}
.about-card .role {
  color: var(--color-primary-hover);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-4);
}
.about-body {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 52ch;
}
.links { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.link-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 0.9rem;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-3);
  color: var(--color-text);
}
.link-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.stat {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-surface) 80%, transparent);
  backdrop-filter: blur(8px);
  transition: border-color 240ms, transform 300ms;
}
.stat:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.stat .n {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1rem + 3vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-1);
  font-variant-numeric: tabular-nums;
}
.stat .t {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}


/* ================================================================
   METHOD
   ================================================================ */
.method {
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(139, 141, 255, 0.08), transparent 60%),
    transparent;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  max-width: none;
  margin: 0;
  padding-left: clamp(var(--space-4), 4vw, var(--space-10));
  padding-right: clamp(var(--space-4), 4vw, var(--space-10));
}
.method > * { max-width: var(--content); margin-left: auto; margin-right: auto; }

.timeline {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-16);
}
.step {
  position: relative;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  transition: border-color 240ms, transform 240ms;
}
.step:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.step .num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary-hover);
  margin-bottom: var(--space-3);
  letter-spacing: 0.05em;
}
.step h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.why-box {
  padding: var(--space-10);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, rgba(139, 141, 255, 0.08), rgba(214, 92, 255, 0.05));
  border: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  position: relative;
  overflow: hidden;
}
.why-box h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}
.why-grid > div strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-base);
}
.why-grid > div p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}


/* ================================================================
   PRICING
   ================================================================ */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  max-width: 880px;
  margin: 0 auto;
}
.price-card {
  position: relative;
  padding: var(--space-10) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow: hidden;
}
.price-card.featured {
  border-color: transparent;
  background:
    linear-gradient(180deg, var(--color-surface-2), var(--color-surface)) padding-box,
    var(--grad) border-box;
  border: 1.5px solid transparent;
  box-shadow: var(--shadow-glow);
}
.price-ribbon {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  padding: 0.25rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #0b0814;
  background: var(--grad);
  border-radius: var(--radius-full);
}
.p-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary-hover);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.price-head h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.price-head p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-block: 1px solid var(--color-border);
}
.price .currency {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  font-weight: 500;
}
.price .amount {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 1rem + 3vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.price .per {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-left: var(--space-2);
}
.features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
}
.features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.features svg {
  width: 16px; height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.price-note {
  margin-top: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}


/* ================================================================
   ENROLL / FORM
   ================================================================ */
.enroll {
  padding-bottom: clamp(var(--space-20), 10vw, var(--space-32));
}
.enroll-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.enroll-copy h2 {
  font-size: clamp(2rem, 1.2rem + 3vw, 3.25rem);
  margin-bottom: var(--space-4);
}
.enroll-copy p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 50ch;
}
.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.checklist li span {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: color-mix(in oklab, var(--color-primary) 20%, transparent);
  color: var(--color-primary-hover);
  font-weight: 700;
  font-size: 0.85rem;
}

.enroll-form {
  position: relative;
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-lg);
}
.enroll-form::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(139, 141, 255, 0.35), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.enroll-form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.enroll-form label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.enroll-form label span { color: var(--color-text); }
.enroll-form input,
.enroll-form select,
.enroll-form textarea {
  padding: 0.8rem 0.95rem;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-body);
}
.enroll-form textarea { resize: vertical; min-height: 100px; }
.enroll-form input::placeholder,
.enroll-form textarea::placeholder { color: var(--color-text-faint); }
.enroll-form input:focus,
.enroll-form select:focus,
.enroll-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 20%, transparent);
}
.enroll-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239a9ab0' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.2rem;
}
.form-fineprint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  margin-top: var(--space-2);
}
.form-fineprint strong { color: var(--color-text-muted); font-weight: 500; }

/* Form success state */
.form-success {
  padding: var(--space-10);
  text-align: center;
}
.form-success .check {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  display: grid; place-items: center;
  animation: pop 500ms var(--ease-out);
}
/* Confirmed: the brand gradient, dark glyph. */
.form-success.is-success .check {
  background: var(--grad);
  color: #0b0814;
}
/* Nothing was sent: a neutral mark, so the visitor is not told otherwise. */
.form-success.is-notice .check {
  background: var(--color-surface-3);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
}
@keyframes pop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
.form-success h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.form-success p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: clamp(var(--space-8), 8vw, var(--space-16));
  }
  .code-card { transform: none; order: 2; }
  .about-grid { grid-template-columns: 1fr; }
  .enroll-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .hero-title { letter-spacing: -0.025em; }
  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-meta > div:nth-child(odd) {
    padding-inline-start: 0;
    border-inline-start: 0;
  }
  .enroll-form .row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .code-card pre { font-size: 0.78rem; padding: var(--space-4); }
  .why-box { padding: var(--space-6); }
  .price-card { padding: var(--space-8) var(--space-6); }
}

@media (max-width: 420px) {
  .stats { grid-template-columns: 1fr; }
}

/* ================================================================
   FORM: Turnstile widget, errors, no-JS fallback
   ================================================================ */
.cf-turnstile {
  /* In interaction-only mode this is usually zero-height, so it must not
     leave a gap when nothing renders. */
  display: flex;
  justify-content: center;
}
.cf-turnstile:not(:empty) { margin-bottom: var(--space-2); }

.form-error {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid #7f3b52;
  background: rgba(127, 59, 82, 0.16);
  color: #ffb4c8;
  font-size: var(--text-sm);
}

.form-noscript {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.form-noscript a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}