/* components.css — Cornerstone Mentorship — LHUNE-Inspired Components */

/* ===================================================
   NAVIGATION
   =================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition-interactive);
}

.nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5) var(--space-6);
  position: relative;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-left { flex: 1; justify-content: flex-end; }
.nav-right { flex: 1; justify-content: flex-start; }
.nav-right nav { display: flex; align-items: center; gap: var(--space-8); }

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text);
  text-decoration: none;
  margin: 0 var(--space-10);
  white-space: nowrap;
  transition: color var(--transition-interactive);
}

.nav-link {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-interactive);
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width var(--transition-interactive);
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link--cta {
  color: var(--color-primary);
  font-weight: 500;
}

.nav-link--cta:hover {
  color: var(--color-primary-hover);
}

.nav-link--cta::after {
  background: var(--color-primary);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  margin-left: var(--space-4);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  position: absolute;
  right: var(--space-4);
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 200ms ease;
}

.nav-hamburger.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding-top: 80px;
  opacity: 0;
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.active {
  opacity: 1;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-12) var(--space-6);
}

.mobile-menu-link {
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.mobile-menu-link:hover,
.mobile-menu-link:active {
  color: var(--color-text);
}

.mobile-menu-link--cta {
  color: var(--color-primary);
  font-weight: 500;
}

/* Mobile nav */
@media (max-width: 900px) {
  .nav-left, .nav-right nav, .theme-toggle { display: none; }
  .nav-hamburger { display: flex; }
  .nav-logo { margin: 0; }
  .nav-inner { justify-content: center; }
  .mobile-menu.visible { display: block; }
}

/* ===================================================
   HERO
   =================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-32) var(--space-6) var(--space-16);
  background: var(--color-bg);
}

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

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 auto var(--space-5);
}

.hero-credibility {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-10);
  letter-spacing: 0.02em;
}

/* ===================================================
   OVERLINE (LHUNE-style section labels)
   =================================================== */
.overline {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.overline--accent {
  color: var(--color-primary);
}

.overline--light {
  color: var(--color-dark-text-muted);
}

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  transition: background var(--transition-interactive), color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
  cursor: pointer;
  text-align: center;
  min-height: 48px;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--full {
  display: block;
  width: 100%;
}

/* ===================================================
   SECTIONS
   =================================================== */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
}

.section--offset {
  background: var(--color-surface-offset);
}

.section--dark {
  background: var(--color-dark-bg);
}

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

.container--narrow {
  max-width: var(--content-narrow);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: -0.01em;
}

.section-heading--light {
  color: var(--color-dark-text);
}

.section-lead {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 auto;
}

.section-italic {
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-mono);
  font-style: normal;
  letter-spacing: 0;
}

/* ===================================================
   TRUST BAR
   =================================================== */
.trust-bar {
  padding: var(--space-12) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.trust-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  display: flex;
  justify-content: center;
}

.trust-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.trust-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

@media (max-width: 480px) {
  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ===================================================
   FOCUS AREA CARDS (Program section)
   =================================================== */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.focus-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.focus-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-highlight);
}

.focus-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.focus-title {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.focus-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

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

/* ===================================================
   APPROACH CARDS
   =================================================== */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.approach-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
}

.approach-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.approach-title {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.approach-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 40ch;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
}

/* Quote block */
.quote-block {
  text-align: center;
  max-width: 650px;
  margin: 0 auto;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-divider);
}

.quote-block p {
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: none;
}

.quote-block cite {
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

/* ===================================================
   PHILOSOPHY / QUOTES
   =================================================== */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.philosophy-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 160px;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  margin: 0;
}

.philosophy-card:hover {
  border-color: var(--color-primary-highlight);
  box-shadow: var(--shadow-md);
}

.philosophy-quote {
  font-size: var(--text-base);
  font-style: italic;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  max-width: none;
}

.philosophy-cite {
  font-size: var(--text-xs);
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
  }
}

[data-theme="dark"] .philosophy-card {
  background: var(--color-surface);
  border-color: var(--color-border);
}

/* ===================================================
   ABOUT SECTION
   =================================================== */
.about-content {
  max-width: 680px;
  margin: 0 auto var(--space-12);
}

.about-bio p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  max-width: none;
}

.values-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-10);
  text-align: center;
}

.value-title {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.value-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 600px) {
  .values-row {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.references-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-style: italic;
  margin-bottom: var(--space-12);
}

/* Get to Know Me */
.know-me {
  max-width: 680px;
  margin: 0 auto;
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}

.know-me-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  text-align: center;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.know-me-text p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  max-width: none;
}

/* ===================================================
   INVESTMENT / PRICING
   =================================================== */
.pricing-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
}

.pricing-top {
  margin-bottom: var(--space-6);
}

.pricing-amount {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  display: block;
  letter-spacing: -0.02em;
  line-height: 1;
}

.pricing-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: block;
  margin-top: var(--space-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-detail {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
}

.pricing-divider {
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-6) 0;
}

.pricing-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.pricing-option {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.pricing-option-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  font-weight: 500;
}

.pricing-option-value {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}

.pricing-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  max-width: none;
}

.pricing-note--emphasis {
  font-style: italic;
  margin-bottom: var(--space-8);
}

/* ===================================================
   FAQ ACCORDION
   =================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--color-divider);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-6) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-interactive);
  min-height: 44px;
}

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

.faq-question:hover {
  color: var(--color-primary);
}

.faq-chevron {
  flex-shrink: 0;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--color-text-muted);
}

details[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  padding-bottom: var(--space-6);
}

.faq-answer p {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: none;
}

/* ===================================================
   CONTACT SECTION
   =================================================== */
.contact-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.form-input {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  min-height: 48px;
}

.form-input::placeholder {
  color: var(--color-text-faint);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

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

.contact-alt {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.contact-alt a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.contact-alt a:hover {
  color: var(--color-primary-hover);
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  padding: var(--space-12) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-logo {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-text);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-columns {
  display: flex;
  gap: var(--space-16);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer-link:hover {
  color: var(--color-text);
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    gap: var(--space-8);
  }
  .footer-columns {
    gap: var(--space-10);
  }
}

/* ===================================================
   SCROLL REVEAL ANIMATIONS
   =================================================== */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 35%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* Fallback for browsers that don't support scroll-driven animations */
@supports not (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .fade-in.visible {
    opacity: 1;
  }
}

/* ===================================================
   DARK MODE OVERRIDES
   =================================================== */
[data-theme="dark"] .section--dark {
  background: var(--color-dark-bg);
}

[data-theme="dark"] .pricing-card {
  background: var(--color-surface);
}

[data-theme="dark"] .pricing-amount,
[data-theme="dark"] .pricing-option-value {
  color: var(--color-text);
}

[data-theme="dark"] .focus-card,
[data-theme="dark"] .approach-card {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .nav {
  background: oklch(from var(--color-bg) l c h / 0.92);
}

/* Dark mode investment heading/overline */
[data-theme="dark"] .section-heading--light {
  color: var(--color-dark-text);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .section--dark {
    background: var(--color-dark-bg);
  }
  :root:not([data-theme]) .pricing-card {
    background: var(--color-surface);
  }
}