/* =========
   Base
   ========= */
:root {
  --color-bg: #0b1120;
  --color-bg-alt: #f3f4f6;
  --color-surface: #ffffff;
  --color-text: #111827;
  --color-text-muted: #4b5563;
  --color-primary: #38bdf8;
  --color-secondary: #f9a8d4;
  --color-border: #e5e7eb;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.13);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background-color: #f9fafb;
  line-height: 1.6;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  padding: 4.5rem 0;
  background: linear-gradient(135deg, #f9fafb, #e5e7eb);
}

.section-contact {
  background: radial-gradient(circle at top left, #e0f2fe 0, #f9fafb 45%, #fce7f3 100%);
}

.section-header {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-header h1,
.section-header h2 {
  margin-bottom: 0.4rem;
}

.section-header p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 17, 32, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: #e5e7eb;
  white-space: nowrap;
}

.brand-mark {
  width: 40px;
  height: 40px;
  margin-right: 0.75rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.8));
}

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

.brand-name {
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 1rem;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.78rem;
  color: #9ca3af;
}

.main-nav {
  flex: 1;
}

.main-nav ul {
  display: flex;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 0.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.82rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  transition: background 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  background: rgba(148, 163, 184, 0.22);
}

.main-nav .nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #0b1120;
  font-weight: 600;
}

.main-nav .nav-cta:hover {
  background: linear-gradient(135deg, #0ea5e9, #f472b6);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.3rem;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px 0;
  background-color: #e5e7eb;
  border-radius: 999px;
}

/* Hero */
.hero {
  padding: 4.5rem 0 4.25rem;
  background: radial-gradient(circle at top left, #1e293b 0, #020617 42%, #020617 100%);
  color: #e5e7eb;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 2.7vw + 1.5rem, 3.1rem);
  margin: 0 0 0.75rem;
}

.hero-text {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  color: #cbd5f5;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #bae6fd;
  margin-bottom: 0.7rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.hero-subnote {
  font-size: 0.82rem;
  color: #9ca3af;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #0b1120;
  font-weight: 600;
  box-shadow: 0 16px 35px rgba(8, 47, 73, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 45px rgba(8, 47, 73, 0.45);
}

.btn-ghost {
  border-color: rgba(148, 163, 184, 0.7);
  color: #e5e7eb;
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.8);
}

.btn-outline {
  border-color: var(--color-primary);
  color: #0f172a;
  background: linear-gradient(135deg, #eff6ff, #fdf2ff);
}

.btn-outline:hover {
  background: linear-gradient(135deg, #dbeafe, #fce7f3);
}

.btn-full {
  width: 100%;
}

/* Hero visual card */
.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  width: 100%;
  max-width: 320px;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), rgba(15, 23, 42, 0.8));
  border-radius: var(--radius-xl);
  padding: 1.1rem 1.1rem 1.2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.55);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: #e5e7eb;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.8);
}

.hero-card-body {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.avatar-circle {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: linear-gradient(145deg, #38bdf8, #f9a8d4);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.7);
}

.hero-card-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.hero-card-lines .line {
  display: block;
  height: 7px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.55);
}

.hero-card-lines .line-1 {
  width: 80%;
}
.hero-card-lines .line-2 {
  width: 65%;
}
.hero-card-lines .line-3 {
  width: 45%;
}

.hero-card-footer {
  font-size: 0.8rem;
  color: #e5e7eb;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  padding-top: 0.6rem;
  font-style: italic;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.step {
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 1.3rem 1.25rem 1.4rem;
  box-shadow: 0 12px 30px rgba(148, 163, 184, 0.25);
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #0b1120;
  background: linear-gradient(135deg, #dbeafe, #fce7f3);
}

.step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

/* Membership */
.membership-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.membership-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 1.8rem 1.7rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.membership-card h3 {
  margin-top: 0;
}

.disclaimer {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 1.1rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 0.75rem;
}

.membership-side {
  border-radius: var(--radius-xl);
  padding: 1.8rem 1.7rem;
  border: 1px dashed rgba(148, 163, 184, 0.9);
  background: linear-gradient(145deg, #eff6ff, #fdf2ff);
}

/* Checklist */
.checklist {
  padding-left: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.45rem;
  color: var(--color-text-muted);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: radial-gradient(circle at top left, var(--color-primary), var(--color-secondary));
}

/* Mentors */
.mentor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.mentor-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.25rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.65);
  box-shadow: 0 14px 28px rgba(148, 163, 184, 0.3);
}

.placeholder-avatar {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: linear-gradient(145deg, #38bdf8, #f9a8d4);
  margin-bottom: 0.7rem;
}

.small-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Columns */
.columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.column h2,
.column h3 {
  margin-top: 0;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 1.5rem;
}

.faq-item {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 0.9rem 1rem;
  box-shadow: 0 14px 32px rgba(148, 163, 184, 0.32);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  color: #0f172a;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  font-weight: 700;
  color: #9ca3af;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-form-shell {
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius-xl);
  padding: 1.7rem 1.6rem;
  border: 1px solid rgba(148, 163, 184, 0.85);
  box-shadow: var(--shadow-soft);
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 0.35rem;
  border-radius: 0.7rem;
  border: 1px solid var(--color-border);
  padding: 0.55rem 0.7rem;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  background-color: #f9fafb;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
  background-color: #ffffff;
}

.contact-form textarea {
  resize: vertical;
}

/* Modal (Get a mentor today) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 80;
}

.modal-backdrop.is-visible {
  display: flex;
}

.modal {
  max-width: 420px;
  width: 100%;
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 1.7rem 1.5rem 1.5rem;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(148, 163, 184, 0.85);
  position: relative;
}

.modal h2 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.modal p {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--color-text-muted);
}

.modal-close {
  position: absolute;
  top: 0.65rem;
  right: 0.8rem;
  border: none;
  background: transparent;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: #6b7280;
}

.modal-close:hover {
  color: #111827;
}

.modal-cta {
  margin-top: 0.6rem;
}

.modal-dismiss {
  margin-top: 0.45rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid #e5e7eb;
  background-color: #020617;
  color: #9ca3af;
  padding: 1.4rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  font-weight: 600;
  color: #e5e7eb;
}

.footer-tagline {
  font-size: 0.85rem;
  margin-left: 0.6rem;
}

.site-footer a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 0.9rem;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 960px) {
  .header-inner {
    padding: 0.7rem 0;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #020617;
    border-bottom: 1px solid rgba(148, 163, 184, 0.6);
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 0.6rem 1.5rem 1rem;
    gap: 0.25rem;
  }

  .main-nav a {
    padding: 0.55rem 0.4rem;
    font-size: 0.9rem;
  }

  .nav-toggle {
    display: block;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.25rem;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .membership-layout,
  .mentor-grid,
  .columns,
  .faq-grid,
  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 3.5rem 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}


@media (max-width: 520px) {
  .hero {
    padding-top: 3.5rem;
  }

  .hero-copy h1 {
    font-size: 2.1rem;
  }

  .hero-inner {
    gap: 2.25rem;
  }
}