/* ============================================
   StressAId — Landing Page Styles
   CMS-driven sections, hero, features, pricing
   ============================================ */

/* --- Navbar (Public) --- */
.sai-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sai-border);
  z-index: var(--sai-z-sticky);
  transition: background var(--sai-ease-normal);
}

.sai-navbar__inner {
  max-width: var(--sai-container-max);
  margin: 0 auto;
  padding: 0 var(--sai-container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.sai-navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--sai-space-sm);
  text-decoration: none;
}

.sai-navbar__logo {
  height: 36px;
  width: auto;
}

.sai-navbar__name {
  font-family: var(--sai-font-display);
  font-size: var(--sai-text-lg);
  font-weight: 700;
  color: var(--sai-text-primary);
}

.sai-navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sai-space-lg);
}

.sai-navbar__link {
  font-size: var(--sai-text-sm);
  font-weight: 500;
  color: var(--sai-text-secondary);
  transition: color var(--sai-ease-fast);
  text-decoration: none;
}
.sai-navbar__link:hover,
.sai-navbar__link.active {
  color: var(--sai-teal-primary);
}

.sai-navbar__cta {
  margin-left: var(--sai-space-sm);
}

/* Hamburger */
.sai-navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.sai-navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--sai-text-primary);
  border-radius: 2px;
  transition: all var(--sai-ease-fast);
}

.sai-navbar__hamburger--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.sai-navbar__hamburger--active span:nth-child(2) {
  opacity: 0;
}
.sai-navbar__hamburger--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 767px) {
  .sai-navbar__hamburger { display: flex; }

  .sai-navbar__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--sai-bg-dark);
    border-bottom: 1px solid var(--sai-border);
    flex-direction: column;
    padding: var(--sai-space-lg);
    gap: var(--sai-space-md);
  }

  .sai-navbar__links--open { display: flex; }

  .sai-navbar__cta { margin-left: 0; width: 100%; }
}

/* --- Hero Section --- */
.sai-hero {
  position: relative;
  padding: calc(72px + var(--sai-space-4xl)) 0 var(--sai-space-4xl);
  min-height: 90dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--sai-gradient-hero);
}

.sai-hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.sai-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sai-space-xs);
  padding: 6px 16px;
  background: var(--sai-teal-muted);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: var(--sai-radius-full);
  font-size: var(--sai-text-xs);
  font-weight: 600;
  color: var(--sai-teal-light);
  margin-bottom: var(--sai-space-lg);
}

.sai-hero__title {
  font-size: var(--sai-text-hero);
  margin-bottom: var(--sai-space-lg);
  line-height: 1.1;
}

.sai-hero__title-accent {
  background: var(--sai-gradient-teal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sai-hero__desc {
  font-size: var(--sai-text-lg);
  color: var(--sai-text-secondary);
  margin-bottom: var(--sai-space-xl);
  max-width: 540px;
}

.sai-hero__actions {
  display: flex;
  gap: var(--sai-space-md);
  flex-wrap: wrap;
}

/* Orb Effects */
.sai-hero__orb {
  position: absolute;
  border-radius: var(--sai-radius-full);
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}

.sai-hero__orb--teal {
  width: 400px;
  height: 400px;
  background: var(--sai-teal-primary);
  top: -100px;
  right: -100px;
}

.sai-hero__orb--blue {
  width: 300px;
  height: 300px;
  background: var(--sai-blue-primary);
  bottom: -50px;
  left: -50px;
}

.sai-hero__orb--gold {
  width: 200px;
  height: 200px;
  background: var(--sai-gold-primary);
  top: 50%;
  right: 20%;
}

/* --- Stats Section --- */
.sai-stats {
  background: var(--sai-bg-dark);
  border-top: 1px solid var(--sai-border);
  border-bottom: 1px solid var(--sai-border);
}

.sai-stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sai-space-xl);
  text-align: center;
}

.sai-stats__number {
  font-family: var(--sai-font-display);
  font-size: var(--sai-text-4xl);
  font-weight: 800;
  color: var(--sai-teal-primary);
  margin-bottom: var(--sai-space-xs);
}

.sai-stats__label {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-muted);
}

@media (max-width: 767px) {
  .sai-stats__grid { grid-template-columns: 1fr; gap: var(--sai-space-lg); }
}

/* --- Features Grid --- */
.sai-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sai-space-lg);
}

.sai-feature-card {
  background: var(--sai-bg-card);
  border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius-xl);
  padding: var(--sai-space-xl);
  transition: all var(--sai-ease-normal);
}

.sai-feature-card:hover {
  border-color: var(--sai-teal-dark);
  transform: translateY(-4px);
  box-shadow: var(--sai-shadow-glow-teal);
}

.sai-feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--sai-radius-lg);
  background: var(--sai-teal-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sai-space-md);
}

.sai-feature-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--sai-teal-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sai-feature-card__title {
  font-size: var(--sai-text-lg);
  font-weight: 600;
  margin-bottom: var(--sai-space-sm);
}

.sai-feature-card__desc {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-muted);
}

@media (max-width: 1023px) {
  .sai-features__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .sai-features__grid { grid-template-columns: 1fr; }
}

/* --- Journey Ladder --- */
.sai-journey__ladder {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 600px;
  margin: 0 auto;
}

.sai-journey__step {
  display: flex;
  align-items: flex-start;
  gap: var(--sai-space-md);
  padding: var(--sai-space-md) 0;
  position: relative;
}

.sai-journey__step-line {
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: -12px;
  width: 2px;
  background: var(--sai-border);
}

.sai-journey__step:last-child .sai-journey__step-line { display: none; }

.sai-journey__step-dot {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--sai-radius-full);
  background: var(--sai-teal-muted);
  border: 2px solid var(--sai-teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--sai-text-sm);
  color: var(--sai-teal-primary);
  z-index: 1;
}

.sai-journey__step-content {
  padding-top: var(--sai-space-xs);
}

.sai-journey__step-title {
  font-weight: 600;
  font-size: var(--sai-text-base);
  margin-bottom: 2px;
}

.sai-journey__step-desc {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-muted);
}

/* --- Pitch Section (Adaptive) --- */
.sai-pitch {
  background: var(--sai-bg-dark);
}

.sai-pitch__toggle {
  display: flex;
  gap: var(--sai-space-sm);
  justify-content: center;
  margin-bottom: var(--sai-space-2xl);
}

.sai-pitch__toggle-btn {
  padding: 0.75rem 1.5rem;
  font-size: var(--sai-text-sm);
  font-weight: 600;
  border-radius: var(--sai-radius-full);
  border: 1px solid var(--sai-border);
  color: var(--sai-text-secondary);
  transition: all var(--sai-ease-fast);
  min-height: 44px;
}

.sai-pitch__toggle-btn.active {
  background: var(--sai-teal-primary);
  color: var(--sai-bg-darkest);
  border-color: var(--sai-teal-primary);
}

.sai-pitch__panel {
  display: none;
  animation: sai-fade-in 0.3s ease;
}

.sai-pitch__panel.active { display: block; }

/* --- Coach Section --- */
.sai-coach {
  display: flex;
  align-items: center;
  gap: var(--sai-space-2xl);
}

.sai-coach__photo {
  width: 280px;
  height: 280px;
  border-radius: var(--sai-radius-2xl);
  object-fit: cover;
  border: 2px solid var(--sai-teal-dark);
  flex-shrink: 0;
}

.sai-coach__info { flex: 1; }

.sai-coach__name {
  font-size: var(--sai-text-3xl);
  margin-bottom: var(--sai-space-sm);
}

.sai-coach__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sai-space-sm);
  margin-bottom: var(--sai-space-md);
}

.sai-coach__bio {
  font-size: var(--sai-text-base);
  color: var(--sai-text-secondary);
  line-height: var(--sai-leading-relaxed);
}

@media (max-width: 767px) {
  .sai-coach {
    flex-direction: column;
    text-align: center;
  }
  .sai-coach__photo { width: 180px; height: 180px; }
}

/* --- Pricing Section --- */
.sai-pricing__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sai-space-lg);
  max-width: 720px;
  margin: 0 auto;
}

.sai-pricing-card {
  background: var(--sai-bg-card);
  border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius-2xl);
  padding: var(--sai-space-xl);
  text-align: center;
  position: relative;
  transition: all var(--sai-ease-normal);
}

.sai-pricing-card--featured {
  border-color: var(--sai-gold-primary);
  box-shadow: var(--sai-shadow-glow-gold);
}

.sai-pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--sai-gradient-gold);
  color: var(--sai-bg-darkest);
  padding: 4px 16px;
  border-radius: var(--sai-radius-full);
  font-size: var(--sai-text-xs);
  font-weight: 700;
}

.sai-pricing-card__plan {
  font-size: var(--sai-text-lg);
  font-weight: 600;
  margin-bottom: var(--sai-space-sm);
}

.sai-pricing-card__price {
  font-family: var(--sai-font-display);
  font-size: var(--sai-text-4xl);
  font-weight: 800;
  color: var(--sai-teal-primary);
  margin-bottom: var(--sai-space-xs);
}

.sai-pricing-card__price-sub {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-muted);
  margin-bottom: var(--sai-space-lg);
}

.sai-pricing-card__perks {
  text-align: left;
  margin-bottom: var(--sai-space-lg);
}

.sai-pricing-card__perk {
  display: flex;
  align-items: center;
  gap: var(--sai-space-sm);
  font-size: var(--sai-text-sm);
  color: var(--sai-text-secondary);
  padding: var(--sai-space-xs) 0;
}

.sai-pricing-card__perk-icon {
  color: var(--sai-teal-primary);
  flex-shrink: 0;
}

.sai-pricing-card__note {
  font-size: var(--sai-text-xs);
  color: var(--sai-text-muted);
  font-style: italic;
  margin-top: var(--sai-space-md);
}

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

/* --- Video Preview Section --- */
.sai-video-preview {
  position: relative;
  border-radius: var(--sai-radius-2xl);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background: var(--sai-bg-card);
}

.sai-video-preview__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 22, 40, 0.4);
  transition: background var(--sai-ease-fast);
  cursor: pointer;
}

.sai-video-preview__overlay:hover {
  background: rgba(10, 22, 40, 0.2);
}

.sai-video-preview__play {
  width: 72px;
  height: 72px;
  border-radius: var(--sai-radius-full);
  background: var(--sai-teal-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sai-shadow-glow-teal);
  transition: transform var(--sai-ease-spring);
}

.sai-video-preview__overlay:hover .sai-video-preview__play {
  transform: scale(1.1);
}

/* --- AI Chat Widget (Floating) --- */
.sai-chat-widget {
  position: fixed;
  bottom: var(--sai-space-lg);
  right: var(--sai-space-lg);
  z-index: var(--sai-z-chat-widget);
}

.sai-chat-widget__trigger {
  width: 60px;
  height: 60px;
  border-radius: var(--sai-radius-full);
  background: var(--sai-gradient-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sai-shadow-lg), var(--sai-shadow-glow-teal);
  transition: transform var(--sai-ease-spring);
  color: var(--sai-white);
  border: none;
  cursor: pointer;
}

.sai-chat-widget__trigger:hover {
  transform: scale(1.1);
}

.sai-chat-widget__trigger svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.sai-chat-widget__window {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 380px;
  max-height: 520px;
  background: var(--sai-bg-dark);
  border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius-2xl);
  overflow: hidden;
  display: none;
  flex-direction: column;
  box-shadow: var(--sai-shadow-xl);
  animation: sai-scale-in 0.2s ease;
}

.sai-chat-widget__window.active {
  display: flex;
}

.sai-chat-widget__header {
  padding: var(--sai-space-md) var(--sai-space-lg);
  background: var(--sai-bg-elevated);
  border-bottom: 1px solid var(--sai-border);
  display: flex;
  align-items: center;
  gap: var(--sai-space-sm);
}

.sai-chat-widget__status {
  width: 8px;
  height: 8px;
  border-radius: var(--sai-radius-full);
  background: var(--sai-success);
}

.sai-chat-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--sai-space-md);
  display: flex;
  flex-direction: column;
  gap: var(--sai-space-sm);
  min-height: 300px;
}

.sai-chat-widget__input-area {
  padding: var(--sai-space-sm) var(--sai-space-md);
  border-top: 1px solid var(--sai-border);
  display: flex;
  gap: var(--sai-space-sm);
  align-items: flex-end;
}

.sai-chat-widget__input {
  flex: 1;
  padding: var(--sai-space-sm) var(--sai-space-md);
  background: var(--sai-bg-input);
  border: 1px solid var(--sai-border);
  border-radius: var(--sai-radius-lg);
  color: var(--sai-text-primary);
  font-size: var(--sai-text-sm);
  resize: none;
  max-height: 80px;
  min-height: 40px;
}

.sai-chat-widget__send {
  width: 40px;
  height: 40px;
  border-radius: var(--sai-radius-lg);
  background: var(--sai-teal-primary);
  color: var(--sai-bg-darkest);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .sai-chat-widget__window {
    position: fixed;
    inset: 0;
    width: 100%;
    max-height: 100%;
    border-radius: 0;
    bottom: 0;
    right: 0;
  }
}

/* --- Footer --- */
.sai-footer {
  background: var(--sai-bg-dark);
  border-top: 1px solid var(--sai-border);
  padding: var(--sai-space-3xl) 0 var(--sai-space-xl);
}

.sai-footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sai-space-2xl);
  margin-bottom: var(--sai-space-2xl);
}

.sai-footer__brand-desc {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-muted);
  margin-top: var(--sai-space-sm);
  max-width: 300px;
}

.sai-footer__col-title {
  font-size: var(--sai-text-sm);
  font-weight: 600;
  color: var(--sai-text-primary);
  margin-bottom: var(--sai-space-md);
}

.sai-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sai-space-sm);
}

.sai-footer__link {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-muted);
  transition: color var(--sai-ease-fast);
  text-decoration: none;
}
.sai-footer__link:hover { color: var(--sai-teal-primary); }

.sai-footer__gold-line {
  height: 1px;
  background: var(--sai-gradient-gold);
  opacity: 0.5;
  margin-bottom: var(--sai-space-xl);
}

.sai-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--sai-text-xs);
  color: var(--sai-text-muted);
}

.sai-footer__bottom-links {
  display: flex;
  gap: var(--sai-space-md);
}

@media (max-width: 767px) {
  .sai-footer__top {
    grid-template-columns: 1fr;
    gap: var(--sai-space-xl);
  }
  .sai-footer__bottom {
    flex-direction: column;
    gap: var(--sai-space-md);
    text-align: center;
  }
}

/* --- Section Headers (Shared) --- */
.sai-section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--sai-space-2xl);
}

.sai-section-header__label {
  font-size: var(--sai-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sai-teal-primary);
  margin-bottom: var(--sai-space-sm);
}

.sai-section-header__title {
  font-size: var(--sai-text-3xl);
  margin-bottom: var(--sai-space-md);
}

.sai-section-header__desc {
  font-size: var(--sai-text-base);
  color: var(--sai-text-muted);
}

/* --- Locked Feature Overlay (Amazon Prime pattern) --- */
.sai-locked-overlay {
  position: relative;
}

.sai-locked-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.8);
  backdrop-filter: blur(4px);
  border-radius: inherit;
  z-index: 2;
}

.sai-locked-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
}

.sai-locked-badge__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--sai-space-sm);
  opacity: 0.6;
}

.sai-locked-badge__text {
  font-size: var(--sai-text-sm);
  color: var(--sai-text-secondary);
  margin-bottom: var(--sai-space-md);
}

/* --- Dynamic Section Backgrounds (CMS-driven via sai_site_config) --- */
.sai-section--has-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.sai-section--has-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--sai-bg-darkest);
  opacity: var(--sai-bg-overlay-opacity, 0.7);
  z-index: 0;
  pointer-events: none;
}

.sai-section--has-bg > .sai-container {
  position: relative;
  z-index: 1;
}

.sai-hero--has-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.sai-hero--has-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--sai-bg-darkest);
  opacity: var(--sai-bg-overlay-opacity, 0.65);
  z-index: 0;
  pointer-events: none;
}

.sai-hero--has-bg .sai-hero__content {
  z-index: 2;
}

.sai-hero--has-bg .sai-hero__orb {
  z-index: 1;
}

/* --- Scroll Spacer (for fixed navbar) --- */
.sai-navbar-spacer {
  height: 72px;
}