/* site.css — Tide to Vitality Component Styles */

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; }
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: background var(--transition-interactive),
              box-shadow var(--transition-interactive),
              padding var(--transition-interactive);
}
.header-scrolled {
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-2) 0;
}
.nav-container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-interactive);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-logo-img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  transition: transform var(--transition-interactive), width var(--transition-interactive), height var(--transition-interactive);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.header-scrolled .nav-logo-img {
  width: 44px;
  height: 44px;
}
.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
}
.logo-to {
  font-style: italic;
  color: var(--color-text-muted);
  font-weight: 400;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  padding: var(--space-2) 0;
}
.nav-link:hover {
  color: var(--color-text);
}
.nav-cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  text-decoration: none;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.nav-cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.nav-cta:active {
  transform: translateY(0);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    z-index: 99;
    padding: var(--space-16);
  }
  .nav-links.nav-open {
    display: flex;
  }
  .nav-link {
    font-size: var(--text-lg);
  }
  .nav-cta {
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-8);
  }
  .mobile-menu-btn {
    display: flex;
    z-index: 101;
  }
  .nav-logo-text {
    display: none;
  }
  .nav-logo-img {
    width: 48px;
    height: 48px;
  }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
}
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary-highlight);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}
.btn-full { width: 100%; }

/* ============================================
   CONTAINERS
   ============================================ */
.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
.container-narrow {
  max-width: var(--content-default);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 65ch;
  margin: 0 auto;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-32) var(--space-4) var(--space-16);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.ocean-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 860px;
}
.hero-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero-title em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto var(--space-8);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 767px) {
  .hero {
    padding: var(--space-24) var(--space-4) var(--space-12);
    min-height: auto;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ============================================
   PHILOSOPHY
   ============================================ */
.philosophy {
  padding: var(--space-16) 0;
  background: var(--color-surface-offset);
}
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
.phil-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}
.phil-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-full);
}
.phil-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.phil-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 35ch;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .phil-card {
    padding: var(--space-6) var(--space-4);
  }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}
.about-content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-12);
  align-items: start;
}
.about-text p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: var(--space-5);
  max-width: 65ch;
}
.about-text p:first-child {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-primary);
  line-height: 1.4;
}
.about-signature {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.about-title-line {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
  font-weight: 500;
}

.about-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: sticky;
  top: var(--space-20);
}
.aside-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}
.aside-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(in oklab, var(--color-primary), var(--color-blue), var(--color-gold));
}
.aside-card blockquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.4;
}
.aside-credentials {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.aside-credentials h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.aside-credentials ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.aside-credentials li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-5);
  position: relative;
}
.aside-credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  border: 2px solid var(--color-primary);
}

@media (max-width: 767px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .about-aside {
    position: static;
  }
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
  background: var(--color-surface-offset);
}
.services-category {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.services-category-note {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}
.services-sessions-intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 65ch;
  line-height: 1.7;
}

/* Programs Grid */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}
.program-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow var(--transition-interactive);
}
.program-featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}
.program-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: var(--space-6);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
}
.program-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.program-price {
  margin-bottom: var(--space-4);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.price-amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
}
.price-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.program-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  flex: 1 0 auto;
}
.program-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.program-features li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-6);
  position: relative;
}
.program-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%231a8a8a' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}
[data-theme="dark"] .program-features li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%234fb8b8' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .program-features li::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%234fb8b8' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  }
}
.program-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  margin-bottom: var(--space-5);
}

/* Sessions Grid */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}
.session-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive);
}
.session-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-1);
  gap: var(--space-3);
}
.session-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}
.session-price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}
.session-duration {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.session-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.faq-item {
  border-bottom: 1px solid var(--color-divider);
}
.faq-item:first-child {
  border-top: 1px solid var(--color-divider);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  cursor: pointer;
  list-style: none;
  gap: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { display: none; content: ''; }
.faq-question:hover { color: var(--color-primary); }
.faq-chevron {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 0 var(--space-6);
}
.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 65ch;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
  background: var(--color-surface-offset);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.booking-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
}
.booking-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.booking-card > p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.booking-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

.contact-form-wrap h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.contact-form-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-group input,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

@media (max-width: 767px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) 0 var(--space-6);
}
.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-12);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.footer-logo-img {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: var(--space-3);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer-knowledge-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-knowledge-link:hover {
  color: var(--color-primary-hover);
}
.footer-links h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer-links nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-links a:hover {
  color: var(--color-text);
}
.footer-disclaimer {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
}
.footer-disclaimer p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.7;
  max-width: 75ch;
}
.footer-bottom {
  padding-top: var(--space-6);
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (max-width: 767px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}