/* ==========================================================================
   TRYOOZEN TECH — Core Landing Shell Styles
   Version: 1.0.0 (Titan 03: First Impression & Entry Layer)
   Authority: Governing AnnouncementBar, Header, Mobile Nav, Hero,
              IntentSelector, and Mobile Sticky CTA.
   Specification: PRD v1.1 §9, §12, §89, Skills 01, 02, 04, 08 & Titan 03.
   ========================================================================== */

/* ──────────────────────────────────────────────────────────────────────────
   1. ANNOUNCEMENT BAR (Titan 03 Sections 5–8)
   ────────────────────────────────────────────────────────────────────────── */
.tz-announcement {
  background: linear-gradient(90deg, #131825 0%, #1A2035 50%, #131825 100%);
  border-bottom: 1px solid var(--tz-border-subtle);
  color: var(--tz-text-secondary);
  font-size: var(--tz-body-sm);
  padding: var(--tz-space-2) var(--tz-space-4);
  position: relative;
  z-index: var(--tz-z-header);
  transition: max-height var(--tz-duration-normal) var(--tz-ease-standard),
              opacity var(--tz-duration-fast) var(--tz-ease-standard),
              padding var(--tz-duration-normal) var(--tz-ease-standard);
  overflow: hidden;
}

.tz-announcement.is-dismissed {
  max-height: 0 !important;
  opacity: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  border-bottom: none !important;
  pointer-events: none;
}

.tz-announcement__content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--tz-space-3);
  text-align: center;
  max-width: var(--tz-container-xl);
  margin: 0 auto;
}

.tz-announcement__text {
  color: var(--tz-text-primary);
  font-weight: var(--tz-font-weight-medium);
}

.tz-announcement__link {
  color: var(--tz-accent-cyan);
  font-weight: var(--tz-font-weight-semibold);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: var(--tz-space-1);
}

.tz-announcement__link:hover {
  color: #33DDFF;
}

.tz-announcement__close {
  position: absolute;
  right: var(--tz-space-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--tz-text-tertiary);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: var(--tz-space-1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--tz-radius-sm);
}

.tz-announcement__close:hover {
  color: var(--tz-text-primary);
}

@media (max-width: 768px) {
  .tz-announcement {
    padding-right: var(--tz-space-8);
  }
  .tz-announcement__content {
    justify-content: flex-start;
    font-size: var(--tz-caption);
  }
}

/* ──────────────────────────────────────────────────────────────────────────
   2. HEADER & NAVIGATION (Titan 03 Sections 9–17)
   Transparent over hero → solid blurred glass on scroll.
   ────────────────────────────────────────────────────────────────────────── */
.tz-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--tz-z-header);
  background-color: transparent;
  transition: background-color var(--tz-duration-fast) var(--tz-ease-standard),
              border-color var(--tz-duration-fast) var(--tz-ease-standard),
              backdrop-filter var(--tz-duration-fast) var(--tz-ease-standard),
              box-shadow var(--tz-duration-fast) var(--tz-ease-standard);
  border-bottom: 1px solid transparent;
}

.tz-header--scrolled {
  background-color: var(--tz-glass-bg);
  backdrop-filter: blur(var(--tz-glass-blur));
  -webkit-backdrop-filter: blur(var(--tz-glass-blur));
  border-bottom-color: var(--tz-border-default);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.tz-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--tz-space-6);
}

/* Desktop Navigation */
.tz-nav {
  display: none;
}

@media (min-width: 1024px) {
  .tz-nav {
    display: flex;
    align-items: center;
    gap: var(--tz-space-6);
  }
}

.tz-nav__link {
  color: var(--tz-text-secondary);
  font-size: var(--tz-body-sm);
  font-weight: var(--tz-font-weight-medium);
  text-decoration: none;
  position: relative;
  padding: var(--tz-space-1) 0;
  transition: color var(--tz-duration-fast) var(--tz-ease-standard);
}

.tz-nav__link:hover,
.tz-nav__link.is-active {
  color: var(--tz-text-primary);
}

.tz-nav__link.is-active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--tz-accent-cyan);
  border-radius: var(--tz-radius-pill);
}

/* Header Actions */
.tz-header__actions {
  display: flex;
  align-items: center;
  gap: var(--tz-space-3);
}

.tz-header__menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--tz-border-default);
  border-radius: var(--tz-radius-md);
  color: var(--tz-text-primary);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .tz-header__menu-btn {
    display: none;
  }
}

/* ──────────────────────────────────────────────────────────────────────────
   3. MOBILE NAVIGATION DRAWER (Titan 03 Sections 16–17)
   Accessible, focus trapped, scroll locked.
   ────────────────────────────────────────────────────────────────────────── */
.tz-mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--tz-z-modal);
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--tz-duration-fast) var(--tz-ease-standard),
              visibility var(--tz-duration-fast) var(--tz-ease-standard);
}

.tz-mobile-drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.tz-mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--tz-bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.tz-mobile-drawer__panel {
  position: relative;
  width: 100%;
  max-width: 320px;
  height: 100%;
  background-color: var(--tz-bg-surface);
  border-left: 1px solid var(--tz-border-default);
  box-shadow: var(--tz-shadow-xl);
  display: flex;
  flex-direction: column;
  padding: var(--tz-space-6);
  transform: translateX(100%);
  transition: transform var(--tz-duration-normal) var(--tz-ease-emphasized);
  overflow-y: auto;
}

.tz-mobile-drawer.is-open .tz-mobile-drawer__panel {
  transform: translateX(0);
}

.tz-mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--tz-space-6);
  padding-bottom: var(--tz-space-4);
  border-bottom: 1px solid var(--tz-border-subtle);
}

.tz-mobile-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--tz-space-2);
  flex-grow: 1;
}

.tz-mobile-drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--tz-space-3) var(--tz-space-4);
  border-radius: var(--tz-radius-md);
  color: var(--tz-text-primary);
  font-size: var(--tz-body-md);
  font-weight: var(--tz-font-weight-medium);
  text-decoration: none;
  min-height: 48px;
}

.tz-mobile-drawer__link:hover,
.tz-mobile-drawer__link:focus-visible {
  background-color: var(--tz-bg-elevated);
  color: var(--tz-accent-cyan);
}

/* ──────────────────────────────────────────────────────────────────────────
   4. HERO COMPONENT (Titan 03 Sections 18–38)
   Two-column composition with PRD headline & 3-tier CTA cluster.
   ────────────────────────────────────────────────────────────────────────── */
.tz-hero {
  position: relative;
  padding-top: var(--tz-space-8);
  padding-bottom: var(--tz-space-12);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .tz-hero {
    padding-top: var(--tz-space-12);
    padding-bottom: var(--tz-space-16);
  }
}

.tz-hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tz-space-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .tz-hero__layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--tz-space-12);
  }
}

.tz-hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--tz-space-4);
}

.tz-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--tz-space-2);
  font-size: var(--tz-label-sm);
  font-weight: var(--tz-font-weight-bold);
  letter-spacing: var(--tz-tracking-wider);
  color: var(--tz-accent-cyan);
  text-transform: uppercase;
}

.tz-hero__headline {
  color: var(--tz-text-primary);
  font-size: var(--tz-display-md);
  font-weight: var(--tz-font-weight-extrabold);
  line-height: var(--tz-leading-tight);
  letter-spacing: var(--tz-tracking-tight);
}

@media (min-width: 768px) {
  .tz-hero__headline {
    font-size: var(--tz-display-lg);
  }
}

@media (min-width: 1280px) {
  .tz-hero__headline {
    font-size: var(--tz-display-xl);
  }
}

.tz-hero__desc {
  color: var(--tz-text-secondary);
  font-size: var(--tz-body-lg);
  line-height: var(--tz-leading-relaxed);
  max-width: 640px;
}

/* 3-Tier CTA Cluster */
.tz-hero__cta-cluster {
  display: flex;
  flex-direction: column;
  gap: var(--tz-space-3);
  margin-top: var(--tz-space-3);
}

@media (min-width: 640px) {
  .tz-hero__cta-cluster {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
}

/* Trust Items */
.tz-hero__trust {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--tz-space-3);
  margin-top: var(--tz-space-4);
  padding-top: var(--tz-space-4);
  border-top: 1px solid var(--tz-border-subtle);
  max-width: 580px;
}

@media (min-width: 640px) {
  .tz-hero__trust {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tz-trust-item {
  display: flex;
  align-items: center;
  gap: var(--tz-space-2);
  font-size: var(--tz-caption);
  color: var(--tz-text-secondary);
}

.tz-trust-item__icon {
  font-size: 1rem;
}

/* Hero Visual Composition */
.tz-hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tz-hero-art {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tz-hero-art__glow {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.22) 0%, rgba(139, 92, 246, 0.18) 50%, transparent 70%);
  filter: blur(32px);
  pointer-events: none;
}

.tz-hero-art__badge {
  position: relative;
  z-index: 2;
  width: 180px;
  height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.6));
  animation: tz-float 6s ease-in-out infinite;
}

@keyframes tz-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
  .tz-hero-art__badge {
    animation: none;
  }
}

/* Orbiting Nodes */
.tz-hero-art__orbit {
  position: absolute;
  inset: 0;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.tz-hero-node {
  position: absolute;
  background-color: var(--tz-bg-elevated);
  border: 1px solid var(--tz-border-default);
  border-radius: var(--tz-radius-pill);
  padding: var(--tz-space-1) var(--tz-space-3);
  font-size: var(--tz-micro);
  font-weight: var(--tz-font-weight-bold);
  color: var(--tz-text-primary);
  box-shadow: var(--tz-shadow-md);
  white-space: nowrap;
}

.tz-hero-node--1 { top: 12%; left: 8%; }
.tz-hero-node--2 { top: 16%; right: 6%; }
.tz-hero-node--3 { bottom: 20%; left: 4%; }
.tz-hero-node--4 { bottom: 14%; right: 10%; }

/* ──────────────────────────────────────────────────────────────────────────
   5. INTENT SELECTOR (Titan 03 Sections 39–43)
   6 Canonical Intents in a responsive grid.
   ────────────────────────────────────────────────────────────────────────── */
.tz-intent-section {
  padding-top: var(--tz-space-4);
  padding-bottom: var(--tz-space-12);
}

.tz-intent-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--tz-space-4);
  background-color: var(--tz-bg-surface);
  border: 1px solid var(--tz-border-default);
  border-radius: var(--tz-radius-lg);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all var(--tz-duration-fast) var(--tz-ease-standard);
  width: 100%;
}

.tz-intent-card:hover {
  background-color: var(--tz-bg-elevated);
  border-color: var(--tz-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--tz-shadow-md);
}

.tz-intent-card.is-selected {
  background-color: var(--tz-bg-elevated);
  border-color: var(--tz-accent-cyan);
  box-shadow: var(--tz-shadow-md), 0 0 16px rgba(0, 212, 255, 0.2);
}

.tz-intent-card.is-selected::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--tz-gradient-brand);
}

.tz-intent-card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--tz-space-2);
}

.tz-intent-card__title {
  font-size: var(--tz-heading-sm);
  font-weight: var(--tz-font-weight-semibold);
  color: var(--tz-text-primary);
  margin-bottom: var(--tz-space-1);
}

.tz-intent-card__desc {
  font-size: var(--tz-caption);
  color: var(--tz-text-secondary);
  line-height: var(--tz-leading-snug);
}

/* ──────────────────────────────────────────────────────────────────────────
   6. MOBILE STICKY CTA (Titan 03 Sections 51–55)
   Fixed to bottom of mobile viewports, safe-area inset compliant.
   ────────────────────────────────────────────────────────────────────────── */
.tz-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--tz-z-sticky);
  background-color: var(--tz-glass-bg);
  backdrop-filter: blur(var(--tz-glass-blur));
  -webkit-backdrop-filter: blur(var(--tz-glass-blur));
  border-top: 1px solid var(--tz-border-default);
  padding: var(--tz-space-3) var(--tz-space-4);
  padding-bottom: calc(var(--tz-space-3) + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tz-space-3);
  transform: translateY(100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--tz-duration-normal) var(--tz-ease-emphasized),
              opacity var(--tz-duration-fast) var(--tz-ease-standard),
              visibility var(--tz-duration-fast) var(--tz-ease-standard);
}

.tz-sticky-cta.is-visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

@media (min-width: 768px) {
  .tz-sticky-cta {
    display: none !important;
  }
}

@media (max-width: 767px) {
  /* Prevent sticky CTA from occluding footer content and ensure safe-area clearance */
  body {
    padding-bottom: calc(76px + var(--tz-safe-bottom, env(safe-area-inset-bottom, 0px)));
  }
}