/* ==========================================================================
   TEHILIM MCP — LANDING PAGE STYLES
   Bold. Proud. Gold on Navy. Proclamation-style.
   ========================================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0A1628;
  --bg-alt: #0E1D35;
  --gold: #D4AF37;
  --gold-dim: #B8972E;
  --white: #FFFFFF;
  --blue: #0038B8;
  --code-bg: #1A2332;
  --code-text: #D4AF37;
  --font-display-en: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-display-he: 'David Libre', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Bilingual Visibility ---------- */
html[lang="en"] .lang-he { display: none !important; }
html[lang="he"] .lang-en { display: none !important; }

/* ---------- RTL Adjustments ---------- */
html[dir="rtl"] {
  text-align: right;
}

html[dir="rtl"] .feature-list li {
  flex-direction: row-reverse;
}

html[dir="rtl"] .feature-marker {
  margin-left: 16px;
  margin-right: 0;
}

html[dir="rtl"] .lang-toggle {
  right: auto;
  left: 20px;
}

html[dir="rtl"] .footer-content {
  text-align: right;
}

/* ---------- Container ---------- */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Language Toggle ---------- */
.lang-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--code-bg);
  color: var(--gold);
  border: 2px solid var(--gold);
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.15s, color 0.15s;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
  background: var(--gold);
  color: var(--bg);
  outline: none;
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 60px;
  overflow: hidden;
}

/* Flag Background */
.hero-flags {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}

.flag {
  position: absolute;
  width: 80%;
  max-width: 700px;
  height: auto;
  opacity: 0.08;
  filter: blur(1px);
  animation: flag-breathe 8s ease-in-out infinite;
}

.flag-israel {
  left: -10%;
  top: 10%;
  animation-delay: 0s;
}

.flag-us {
  right: -10%;
  bottom: 10%;
  animation-delay: -4s;
}

@keyframes flag-breathe {
  0%, 100% { opacity: 0.06; transform: scale(1); }
  50% { opacity: 0.10; transform: scale(1.02); }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-family: var(--font-display-en);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 4px;
  line-height: 1.05;
  text-transform: uppercase;
  text-shadow: 0 0 60px rgba(212, 175, 55, 0.3);
  margin-bottom: 24px;
}

html[lang="he"] .hero-title {
  font-family: var(--font-display-he);
  letter-spacing: 0;
  text-transform: none;
  font-size: clamp(2.8rem, 9vw, 6.5rem);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--white);
  margin-bottom: 48px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.85;
}

html[lang="he"] .hero-subtitle {
  letter-spacing: 0;
  text-transform: none;
}

/* CTA Button */
.cta-button {
  display: inline-block;
  padding: 18px 48px;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-display-en);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 4px;
  text-decoration: none;
  text-transform: uppercase;
  border: 3px solid var(--gold);
  transition: background 0.2s, color 0.2s;
}

html[lang="he"] .cta-button {
  font-family: var(--font-display-he);
  letter-spacing: 0;
  text-transform: none;
}

.cta-button:hover,
.cta-button:focus-visible {
  background: transparent;
  color: var(--gold);
  outline: none;
}

/* Hero borders */
.hero-border-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold);
}

.hero-border-bottom {
  position: absolute;
  bottom: 0;
  left: 5%;
  right: 5%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ==========================================================================
   SECTIONS — shared
   ========================================================================== */

.section {
  padding: 80px 0;
}

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

.section-title {
  font-family: var(--font-display-en);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 4px;
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

html[lang="he"] .section-title {
  font-family: var(--font-display-he);
  letter-spacing: 0;
  text-transform: none;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: var(--gold);
  margin: 16px auto 0;
}

/* ==========================================================================
   TODAY'S READING
   ========================================================================== */

.reading-card {
  background: var(--code-bg);
  border: 2px solid var(--gold);
  padding: 32px;
  max-width: 720px;
  margin: 0 auto;
}

.reading-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.reading-date {
  font-size: 0.9rem;
  color: var(--gold-dim);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.reading-psalms {
  font-family: var(--font-display-en);
  font-size: 1.1rem;
  color: var(--gold);
  font-weight: 700;
}

html[lang="he"] .reading-psalms {
  font-family: var(--font-display-he);
}

.reading-preview {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  min-height: 80px;
}

.reading-preview .verse {
  margin-bottom: 8px;
}

.reading-preview .verse-he {
  font-family: var(--font-display-he);
  font-size: 1.15rem;
  color: var(--white);
  direction: rtl;
  text-align: right;
}

.reading-preview .verse-en {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  direction: ltr;
  text-align: left;
  margin-bottom: 16px;
}

.reading-preview .sefaria-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Shimmer loading animation */
.shimmer-line {
  height: 16px;
  background: linear-gradient(90deg, var(--code-bg) 25%, rgba(212, 175, 55, 0.08) 50%, var(--code-bg) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s infinite;
  margin-bottom: 12px;
}

.shimmer-short {
  width: 60%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   WHAT YOU GET
   ========================================================================== */

.proclamation {
  font-family: var(--font-display-en);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  text-align: center;
  color: var(--white);
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.5;
}

html[lang="he"] .proclamation {
  font-family: var(--font-display-he);
}

.feature-list {
  list-style: none;
  max-width: 700px;
  margin: 0 auto;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.6;
}

.feature-marker {
  color: var(--gold);
  font-size: 1.2rem;
  margin-right: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list strong {
  color: var(--gold);
}

/* ==========================================================================
   INSTALLATION TABS
   ========================================================================== */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 3px solid var(--gold);
  margin-bottom: 0;
}

.tab {
  background: transparent;
  color: var(--white);
  border: 2px solid transparent;
  border-bottom: none;
  padding: 12px 20px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  position: relative;
  top: 3px;
}

.tab:hover {
  color: var(--gold);
}

.tab.active {
  background: var(--code-bg);
  color: var(--gold);
  border-color: var(--gold);
  border-bottom: 3px solid var(--code-bg);
}

.tab-panel {
  display: none;
  background: var(--code-bg);
  border: 2px solid var(--gold);
  border-top: none;
  padding: 32px;
}

.tab-panel.active {
  display: block;
}

.install-note {
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

.install-note code {
  color: var(--gold);
  font-size: 0.9em;
  background: rgba(212, 175, 55, 0.1);
  padding: 2px 6px;
}

/* ---------- Code Block ---------- */
.code-block {
  position: relative;
  background: var(--bg);
  border: 1px solid rgba(212, 175, 55, 0.3);
  padding: 20px;
  padding-right: 90px;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
}

.code-block code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  font-size: 0.9rem;
  color: var(--code-text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------- Copy Button ---------- */
.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gold);
  color: var(--bg);
  border: none;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.15s;
}

.copy-btn:hover {
  opacity: 0.85;
}

.copy-btn .copy-done {
  display: none;
}

.copy-btn.copied .copy-text {
  display: none;
}

.copy-btn.copied .copy-done {
  display: inline;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  border-top: 3px solid var(--gold);
  padding: 32px 0;
  text-align: center;
}

.footer-content {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-content p {
  margin-bottom: 8px;
}

.footer-content a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 700;
}

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

.footer-sep {
  margin: 0 12px;
  opacity: 0.4;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 60px 20px 40px;
  }

  .hero-title {
    letter-spacing: 2px;
  }

  .section {
    padding: 60px 0;
  }

  .tabs {
    flex-direction: column;
    border-bottom: none;
  }

  .tab {
    top: 0;
    border: 2px solid transparent;
    text-align: left;
  }

  .tab.active {
    border: 2px solid var(--gold);
    border-bottom: 2px solid var(--gold);
    background: var(--code-bg);
  }

  .tab-panel {
    border-top: none;
    border: 2px solid var(--gold);
    margin-top: -2px;
  }

  .code-block {
    padding-right: 20px;
    padding-bottom: 50px;
  }

  .copy-btn {
    top: auto;
    bottom: 12px;
    right: 12px;
  }

  .flag-israel {
    left: -30%;
    width: 120%;
  }

  .flag-us {
    right: -30%;
    width: 120%;
  }

  .reading-header {
    flex-direction: column;
  }

  .cta-button {
    padding: 14px 32px;
    font-size: 1.1rem;
    letter-spacing: 2px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    letter-spacing: 1px;
  }

  .hero-subtitle {
    letter-spacing: 0;
    font-size: 1rem;
  }

  .reading-card {
    padding: 20px;
  }

  .tab-panel {
    padding: 20px;
  }

  .lang-toggle {
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    font-size: 12px;
  }

  html[dir="rtl"] .lang-toggle {
    right: auto;
    left: 12px;
  }
}

/* RTL tab adjustment */
html[dir="rtl"] .tab {
  text-align: right;
}

html[dir="rtl"] .code-block {
  direction: ltr;
  text-align: left;
}

/* ==========================================================================
   EXPLAINER SECTIONS (What is Tehilim + Bless Your Prompt)
   ========================================================================== */

.explainer-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}

.explainer-content p {
  margin-bottom: 24px;
}

.explainer-content p:last-child {
  margin-bottom: 0;
}

.explainer-content strong {
  color: var(--gold);
}

html[lang="he"] .explainer-content {
  font-family: var(--font-display-he);
  font-size: 1.15rem;
}

.explainer-highlight {
  font-family: var(--font-display-en);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--gold);
  text-align: center;
  padding: 24px 0;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

html[lang="he"] .explainer-highlight {
  font-family: var(--font-display-he);
  font-style: normal;
}

/* ChatGPT browsing caveat */
.install-caveat {
  margin-top: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
}