/* ══════════════════════════════════════════════════════════
   SARA-AI — Premium Cognitive Intelligence Platform
   by Saravision 2026
   Design: Deep Dark · Holographic Neon · Glassmorphism
   Fonts: Orbitron (logo) · Syne (headings) · DM Sans (body)
   ══════════════════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Syne:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap");

/* ── DESIGN TOKENS ─────────────────────────────────────── */
:root {
  /* Colors */
  --black: #03050d;
  --bg-0: #060912;
  --bg-1: #090d1a;
  --bg-2: #0d1222;
  --bg-3: #131928;
  --bg-card: rgba(13, 18, 34, 0.7);

  /* Accents */
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.12);
  --cyan-glow: rgba(0, 229, 255, 0.25);
  --purple: #9b59ff;
  --purple-dim: rgba(155, 89, 255, 0.12);
  --purple-glow: rgba(155, 89, 255, 0.3);
  --blue: #4488ff;
  --gold: #ffc94d;

  /* Status */
  --success: #1fffa1;
  --warning: #ffb347;
  --error: #ff4466;
  --info: #4af;

  /* Text */
  --text-1: #eef2ff;
  --text-2: #8898cc;
  --text-3: #445577;

  /* Borders */
  --border: rgba(0, 229, 255, 0.1);
  --border-hover: rgba(0, 229, 255, 0.25);
  --border-active: rgba(0, 229, 255, 0.5);

  /* Typography */
  --font-logo: "Orbitron", sans-serif;
  --font-head: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Effects */
  --radius: 14px;
  --radius-sm: 8px;
  --radius-xs: 5px;
  --blur: blur(16px);
  --blur-sm: blur(8px);
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-cyan: 0 0 30px rgba(0, 229, 255, 0.15);
}

/* ── RESET ─────────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle noise texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: opacity var(--transition);
}
a:hover {
  opacity: 0.75;
}

img {
  display: block;
  max-width: 100%;
}

/* ── PAGE SYSTEM ───────────────────────────────────────── */
.page {
  width: 100%;
}
.page.hidden {
  display: none;
}
.page.active {
  display: block;
}

/* ── LOGO ──────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-hex {
  font-size: 22px;
  color: var(--cyan);
  filter: drop-shadow(0 0 10px var(--cyan));
  animation: hexPulse 3s ease-in-out infinite;
}

@keyframes hexPulse {
  0%,
  100% {
    filter: drop-shadow(0 0 10px var(--cyan));
  }
  50% {
    filter: drop-shadow(0 0 20px var(--cyan))
      drop-shadow(0 0 40px var(--purple));
  }
}

.logo-brand {
  font-family: var(--font-logo);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-1);
}

.logo-dash {
  color: var(--cyan);
}

/* ══════════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition:
    background var(--transition),
    backdrop-filter var(--transition),
    border-color var(--transition);
}

.nav.scrolled {
  background: rgba(6, 9, 18, 0.85);
  backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-right: auto;
}

.nav-links a {
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text-1);
  opacity: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0 16px;
  border-top: 1px solid var(--border);
  background: rgba(6, 9, 18, 0.95);
  backdrop-filter: var(--blur);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  color: var(--text-2);
  padding: 10px 4px;
  font-size: 15px;
  transition: color var(--transition);
}

/* ── NAV PROFILE ─────────────────────────────────────── */
.nav-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.profile-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.profile-avatar.sm {
  width: 28px;
  height: 28px;
  font-size: 11px;
}

.profile-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-1);
}

.profile-plan {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 2px 8px;
  border-radius: 20px;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-hover);
  color: var(--text-2);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 500;
  transition: all var(--transition);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.btn-ghost-sm {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-body);
  transition: all var(--transition);
}

.btn-ghost-sm:hover {
  border-color: var(--error);
  color: var(--error);
}

.btn-premium {
  position: relative;
  background: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 100%);
  border: none;
  color: white;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 600;
  overflow: hidden;
  transition: all var(--transition);
}

.btn-premium:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(155, 89, 255, 0.4);
}

.btn-glow {
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.btn-premium:hover .btn-glow {
  opacity: 0.5;
}

.btn-premium.full {
  width: 100%;
  text-align: center;
}

.btn-app {
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--cyan);
  padding: 7px 14px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-body);
  font-weight: 500;
  transition: all var(--transition);
}

.btn-app:hover {
  background: rgba(0, 229, 255, 0.2);
}

/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px 60px;
  position: relative;
}

.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(
    ellipse 80% 80% at 50% 0%,
    black 30%,
    transparent 80%
  );
}

.hero-orbs {
  position: absolute;
  inset: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(155, 89, 255, 0.15) 0%,
    transparent 70%
  );
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(
    circle,
    rgba(0, 229, 255, 0.1) 0%,
    transparent 70%
  );
  bottom: 10%;
  left: -80px;
  animation-delay: -3s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(
    circle,
    rgba(68, 136, 255, 0.12) 0%,
    transparent 70%
  );
  top: 40%;
  left: 40%;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.05);
  }
}

.hero-scan {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: scan 4s linear infinite;
  opacity: 0.4;
}

@keyframes scan {
  0% {
    top: 0%;
    opacity: 0;
  }
  10% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* ── Hero Content ─────────────────────────────────────── */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.title-line {
  display: block;
}

.accent-line {
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-hero-primary {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  border: none;
  color: var(--black);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 15px;
  font-family: var(--font-body);
  font-weight: 700;
  transition: all var(--transition);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 229, 255, 0.35);
}

.cta-arrow {
  font-size: 18px;
  transition: transform var(--transition);
}
.btn-hero-primary:hover .cta-arrow {
  transform: translateX(4px);
}

.btn-hero-ghost {
  background: transparent;
  border: 1px solid var(--border-hover);
  color: var(--text-2);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 15px;
  font-family: var(--font-body);
  font-weight: 500;
  transition: all var(--transition);
}

.btn-hero-ghost:hover {
  border-color: var(--purple);
  color: var(--purple);
  background: var(--purple-dim);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-logo);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
}

.stat-label {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ── Terminal Mockup ──────────────────────────────────── */
.hero-visual {
  display: flex;
  justify-content: center;
}

.terminal-mockup {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  width: 100%;
  max-width: 460px;
  box-shadow:
    var(--shadow),
    0 0 60px rgba(0, 229, 255, 0.08);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border);
}

.t-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.t-dot.red {
  background: #ff5f57;
}
.t-dot.yellow {
  background: #ffbd2e;
}
.t-dot.green {
  background: #28ca42;
}

.t-title {
  margin-left: 8px;
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.t-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.t-prompt {
  color: var(--cyan);
  font-weight: 700;
}

.t-cmd {
  color: var(--text-1);
}

.t-response {
  color: var(--text-2);
  padding-left: 16px;
}

.accent-text {
  color: var(--cyan);
}

.t-link {
  color: var(--purple);
  text-decoration: underline;
}

.t-cursor {
  color: var(--cyan);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.t-thinking {
  display: flex;
  gap: 5px;
  padding-left: 16px;
}

.t-dot-anim {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--purple);
  animation: bounce 1.2s infinite ease-in-out;
}
.t-dot-anim:nth-child(2) {
  animation-delay: 0.2s;
}
.t-dot-anim:nth-child(3) {
  animation-delay: 0.4s;
}

/* ══════════════════════════════════════════════════════════
   SECTIONS COMMON
   ══════════════════════════════════════════════════════════ */
.features,
.pricing,
.testimonials,
.ethics {
  max-width: 1200px;
  margin: 0 auto;
  padding: 90px 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.text-accent {
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 16px;
  color: var(--text-2);
}

/* ══════════════════════════════════════════════════════════
   FEATURES
   ══════════════════════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-card.featured {
  border-color: rgba(0, 229, 255, 0.25);
  background: linear-gradient(
    135deg,
    rgba(0, 229, 255, 0.05),
    rgba(155, 89, 255, 0.05)
  );
  grid-column: span 1;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 14px;
  display: block;
}

.feature-card h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-1);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

.feature-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 12px;
}

/* ══════════════════════════════════════════════════════════
   PRICING
   ══════════════════════════════════════════════════════════ */
.pricing {
  background: radial-gradient(
    ellipse 80% 50% at 50% 50%,
    rgba(155, 89, 255, 0.05) 0%,
    transparent 70%
  );
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.toggle-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-save {
  background: linear-gradient(135deg, var(--success), var(--cyan));
  color: var(--black);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  cursor: pointer;
}

.toggle-switch input {
  display: none;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 13px;
  transition: all var(--transition);
}

.toggle-slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--text-2);
  border-radius: 50%;
  transition: all var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--purple-dim);
  border-color: rgba(155, 89, 255, 0.4);
}

.toggle-switch input:checked + .toggle-slider::after {
  transform: translateX(22px);
  background: var(--purple);
}

/* ── Pricing Grid ─────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.price-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.price-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.price-card.highlighted {
  border-color: rgba(0, 229, 255, 0.35);
  background: linear-gradient(
    180deg,
    rgba(0, 229, 255, 0.04) 0%,
    var(--bg-card) 100%
  );
  transform: translateY(-8px);
}

.price-card.enterprise {
  border-color: rgba(255, 201, 77, 0.2);
}

.card-glow {
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 100px;
  background: radial-gradient(ellipse, rgba(0, 229, 255, 0.2), transparent 70%);
  pointer-events: none;
}

.popular-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 3px 10px;
  border-radius: 20px;
}

.plan-header {
  margin-bottom: 20px;
}

.plan-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.plan-badge.free {
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}
.plan-badge.basic {
  color: var(--blue);
  background: rgba(68, 136, 255, 0.1);
  border: 1px solid rgba(68, 136, 255, 0.2);
}
.plan-badge.pro {
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.25);
}
.plan-badge.enterprise {
  color: var(--gold);
  background: rgba(255, 201, 77, 0.1);
  border: 1px solid rgba(255, 201, 77, 0.2);
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-family: var(--font-logo);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-1);
}

.price-period {
  font-size: 13px;
  color: var(--text-2);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-2);
}

.plan-features li.dim {
  color: var(--text-3);
}

.plan-features li {
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

/* ── Plan Buttons ─────────────────────────────────────── */
.btn-plan {
  width: 100%;
  padding: 11px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 600;
  transition: all var(--transition);
  margin-bottom: 14px;
}

.free-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
}
.free-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-1);
}

.basic-btn {
  background: rgba(68, 136, 255, 0.1);
  border: 1px solid rgba(68, 136, 255, 0.3);
  color: var(--blue);
}
.basic-btn:hover {
  background: rgba(68, 136, 255, 0.2);
}

.pro-btn {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border: none;
  color: var(--black);
}
.pro-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}

.enterprise-btn {
  background: rgba(255, 201, 77, 0.1);
  border: 1px solid rgba(255, 201, 77, 0.3);
  color: var(--gold);
}
.enterprise-btn:hover {
  background: rgba(255, 201, 77, 0.18);
}

/* ── Payment Methods ──────────────────────────────────── */
.payment-methods {
  display: flex;
  gap: 8px;
}

.pay-method {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-3);
  color: var(--text-2);
  transition: all var(--transition);
}

.pay-method:hover {
  border-color: var(--border-hover);
  color: var(--text-1);
}

.pay-method svg {
  width: 32px;
  height: 16px;
}

.pricing-legal {
  text-align: center;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ══════════════════════════════════════════════════════════
   TESTIMONIALS
   ══════════════════════════════════════════════════════════ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.testimonial-card.featured-t {
  border-color: rgba(155, 89, 255, 0.3);
  background: linear-gradient(135deg, rgba(155, 89, 255, 0.05), var(--bg-card));
}

.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
}

.t-stars {
  color: var(--gold);
  font-size: 14px;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 20px;
  font-style: italic;
}

.t-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.t-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.t-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
}
.t-role {
  font-size: 12px;
  color: var(--text-3);
}

/* ══════════════════════════════════════════════════════════
   ETHICS
   ══════════════════════════════════════════════════════════ */
.ethics {
  background: linear-gradient(
    180deg,
    transparent,
    rgba(0, 229, 255, 0.02) 50%,
    transparent
  );
}

.ethics-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ethics-content .section-tag {
  display: block;
  margin-bottom: 14px;
}

.ethics-content h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
}

.ethics-content > p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 30px;
}

.ethics-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.pillar:hover {
  border-color: var(--border-hover);
}

.pillar-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pillar strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 3px;
}
.pillar span {
  font-size: 13px;
  color: var(--text-2);
}

/* ── Ethics Ring Visual ───────────────────────────────── */
.ethics-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ethics-ring {
  position: relative;
  width: 280px;
  height: 280px;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
}

.r1 {
  inset: 0;
  border-color: rgba(0, 229, 255, 0.2);
  animation: ringRotate 12s linear infinite;
}

.r2 {
  inset: 25px;
  border-color: rgba(155, 89, 255, 0.2);
  animation: ringRotate 8s linear infinite reverse;
}

.r3 {
  inset: 50px;
  border-color: rgba(68, 136, 255, 0.15);
  animation: ringRotate 6s linear infinite;
}

@keyframes ringRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.ring-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  color: var(--cyan);
  filter: drop-shadow(0 0 20px var(--cyan));
}

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 40px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
}

.footer-brand .nav-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 6px;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 16px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col strong {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-2);
  transition: color var(--transition);
}
.footer-col a:hover {
  color: var(--text-1);
  opacity: 1;
}

/* ══════════════════════════════════════════════════════════
   APP — INTERFACE
   ══════════════════════════════════════════════════════════ */
#app-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#app-page.active {
  display: flex;
}

.app-header {
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.app-header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  height: 56px;
}

.app-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-2);
  margin-right: auto;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  transition: all var(--transition);
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}
.status-dot.offline {
  background: var(--error);
}
.status-dot.loading {
  background: var(--warning);
  animation: pulse 1s infinite;
}

.app-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-plan-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 2px 8px;
  border-radius: 10px;
}

/* ── App Layout ───────────────────────────────────────── */
.app-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ──────────────────────────────────────────── */
.sidebar {
  width: 240px;
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  padding: 16px;
  overflow-y: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar::-webkit-scrollbar {
  width: 3px;
}
.sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.sidebar-section h3 {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 10px;
}

/* ── Mode Selector ─────────────────────────────────────── */
.mode-selector {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-align: left;
  transition: all var(--transition);
  position: relative;
}

.mode-btn:hover:not(.locked) {
  border-color: var(--border-hover);
  color: var(--text-1);
  background: var(--bg-3);
}

.mode-btn.active {
  background: var(--cyan-dim);
  border-color: rgba(0, 229, 255, 0.35);
  color: var(--cyan);
}

.mode-btn.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.lock-icon {
  margin-left: auto;
  font-size: 11px;
}

.mode-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mode-indicator.auto {
  background: var(--text-2);
}
.mode-indicator.low {
  background: var(--success);
}
.mode-indicator.medium {
  background: var(--warning);
}
.mode-indicator.high {
  background: var(--purple);
}
.mode-indicator.critical {
  background: var(--error);
  box-shadow: 0 0 6px var(--error);
}

/* ── Select ───────────────────────────────────────────── */
.select {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-1);
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}

.select:focus {
  border-color: var(--cyan);
}

/* ── Metrics ──────────────────────────────────────────── */
.metrics {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  background: var(--bg-2);
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
}

.metric-label {
  font-size: 10px;
  color: var(--text-3);
}

.metric-value {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 600;
}

/* ── Toggle Checkbox ──────────────────────────────────── */
.toggle-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 6px;
  user-select: none;
}

.toggle-check input {
  display: none;
}

.toggle-check-box {
  width: 14px;
  height: 14px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-2);
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}

.toggle-check input:checked + .toggle-check-box {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}

.toggle-check input:checked + .toggle-check-box::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 9px;
  color: var(--cyan);
}

/* ── Conversations / Historique ──────────────────────── */
.conversations-section {
}

.conversations-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

/* Override margin on h3 inside conversations-header */
.conversations-header h3 {
  margin-bottom: 0;
}

.btn-new-chat {
  width: 22px;
  height: 22px;
  background: var(--cyan-dim);
  border: 1px solid var(--border-active);
  color: var(--cyan);
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.btn-new-chat:hover {
  background: var(--cyan-glow);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.conversations-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 180px;
  overflow-y: auto;
}

.conversations-list::-webkit-scrollbar {
  width: 2px;
}
.conversations-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.conv-item {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 7px 9px;
  background: var(--bg-2);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
  min-width: 0;
}

.conv-item:hover {
  background: var(--bg-3);
  border-color: var(--border);
}

.conv-item.active {
  background: var(--cyan-dim);
  border-color: rgba(0, 229, 255, 0.3);
}

.conv-item-icon {
  font-size: 9px;
  color: var(--text-3);
  flex-shrink: 0;
  margin-top: 3px;
}

.conv-item.active .conv-item-icon {
  color: var(--cyan);
}

.conv-item-content {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.conv-item-title {
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.conv-item.active .conv-item-title {
  color: var(--text-1);
}

.conv-item-date {
  font-size: 9px;
  color: var(--text-3);
  margin-top: 1px;
}

.conv-empty {
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
  padding: 10px 0;
  font-style: italic;
}

.conv-loading {
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 10px 0;
}

.conv-dot {
  width: 4px;
  height: 4px;
  background: var(--text-3);
  border-radius: 50%;
  animation: conv-pulse 1.2s ease-in-out infinite;
}

.conv-dot:nth-child(2) {
  animation-delay: 0.2s;
}
.conv-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes conv-pulse {
  0%,
  80%,
  100% {
    transform: scale(0.7);
    opacity: 0.35;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ── Sidebar Upgrade ──────────────────────────────────── */
.sidebar-upgrade {
  margin-top: auto;
  background: linear-gradient(
    135deg,
    rgba(155, 89, 255, 0.08),
    rgba(0, 229, 255, 0.05)
  );
  border: 1px solid rgba(155, 89, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.upgrade-icon {
  font-size: 22px;
}

.sidebar-upgrade p {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.4;
}

.btn-upgrade {
  width: 100%;
  padding: 8px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  border: none;
  color: var(--black);
  font-size: 12px;
  font-family: var(--font-body);
  font-weight: 700;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-upgrade:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ── Chat Area ────────────────────────────────────────── */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.messages::-webkit-scrollbar {
  width: 3px;
}
.messages::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* ── Messages ─────────────────────────────────────────── */
.message {
  display: flex;
  gap: 12px;
  animation: fadeSlide 0.22s ease;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user-msg {
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-msg .msg-avatar {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: white;
}

.ai-msg .msg-avatar {
  background: var(--bg-3);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--cyan);
  font-size: 14px;
}

.msg-bubble {
  max-width: 72%;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.65;
}

.user-msg .msg-bubble {
  background: linear-gradient(
    135deg,
    rgba(155, 89, 255, 0.25),
    rgba(68, 136, 255, 0.2)
  );
  border: 1px solid rgba(155, 89, 255, 0.25);
  border-bottom-right-radius: 4px;
  color: var(--text-1);
}

.ai-msg .msg-bubble {
  background: var(--bg-card);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text-1);
}

.system-msg .msg-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  color: var(--text-2);
  font-size: 13px;
  text-align: center;
  width: 100%;
}

.system-msg .msg-content.error-msg {
  border-color: rgba(255, 68, 102, 0.3);
  color: var(--error);
}

.system-msg .msg-content.upgrade-msg {
  border-color: rgba(155, 89, 255, 0.35);
  color: var(--text-1);
  text-align: left;
  line-height: 1.6;
}

.btn-upgrade-cta {
  display: inline-block;
  padding: 8px 18px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s;
}

.btn-upgrade-cta:hover {
  opacity: 0.85;
  color: #fff;
}

.msg-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.meta-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-3);
  padding: 2px 8px;
  border-radius: 10px;
}

.meta-badge.success {
  border-color: rgba(31, 255, 161, 0.3);
  color: var(--success);
}
.meta-badge.warning {
  border-color: rgba(255, 179, 71, 0.3);
  color: var(--warning);
}

/* Code blocks */
.msg-bubble pre {
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  overflow-x: auto;
  margin: 10px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.msg-bubble code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-3);
  color: var(--cyan);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ── Thinking Indicator ─────────────────────────────────── */
.thinking {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 2px 0;
}

.thinking-dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  animation: bounce 1.2s infinite ease-in-out;
}

.thinking-dot:nth-child(2) {
  animation-delay: 0.2s;
  background: var(--purple);
}
.thinking-dot:nth-child(3) {
  animation-delay: 0.4s;
  background: var(--blue);
}

@keyframes bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-8px);
  }
}

/* ── Input Area ───────────────────────────────────────── */
.input-area {
  padding: 14px 18px;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
}

.input-wrapper {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.input-wrapper:focus-within {
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.input-field {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-1);
  font-size: 14px;
  font-family: var(--font-body);
  resize: none;
  line-height: 1.5;
  min-height: 52px;
  max-height: 200px;
}

.input-field::placeholder {
  color: var(--text-3);
}

.input-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.input-hint {
  font-size: 11px;
  color: var(--text-3);
  margin-right: auto;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  width: 30px;
  height: 30px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 11px;
  transition: all var(--transition);
}

.btn-icon:hover {
  border-color: var(--error);
  color: var(--error);
}

.btn-send {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
  border: none;
  color: var(--black);
  padding: 8px 18px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 700;
  transition: all var(--transition);
}

.btn-send:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.3);
}
.btn-send:active {
  transform: translateY(0);
}
.btn-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.send-icon {
  font-size: 14px;
  transition: transform var(--transition);
}
.btn-send:hover .send-icon {
  transform: translateX(3px);
}

/* ══════════════════════════════════════════════════════════
   AUTH MODAL
   ══════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 13, 0.85);
  backdrop-filter: var(--blur);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  width: 100%;
  max-width: 420px;
  position: relative;
  animation: modalIn 0.25s ease;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.8),
    var(--shadow-cyan);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition);
}

.modal-close:hover {
  border-color: var(--error);
  color: var(--error);
}

.modal-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.modal-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-0);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.modal-tab {
  flex: 1;
  padding: 9px;
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition);
}

.modal-tab.active {
  background: var(--bg-3);
  color: var(--text-1);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.3px;
}

.form-input {
  background: var(--bg-0);
  border: 1px solid var(--border);
  color: var(--text-1);
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.form-input:focus {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.form-input::placeholder {
  color: var(--text-3);
}

.form-error {
  font-size: 12px;
  color: var(--error);
  min-height: 16px;
}

.btn-auth {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: none;
  color: var(--black);
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-auth:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  font-size: 12px;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.btn-auth-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-1);
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-auth-google:hover {
  border-color: var(--border-hover);
  background: var(--bg-0);
}

/* ══════════════════════════════════════════════════════════
   TOAST
   ══════════════════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-1);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  z-index: 300;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  backdrop-filter: var(--blur);
  box-shadow: var(--shadow);
  white-space: nowrap;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  border-color: rgba(31, 255, 161, 0.3);
  color: var(--success);
}
.toast.error {
  border-color: rgba(255, 68, 102, 0.3);
  color: var(--error);
}
.toast.warning {
  border-color: rgba(255, 179, 71, 0.3);
  color: var(--warning);
}
.toast.info {
  border-color: rgba(0, 229, 255, 0.3);
  color: var(--cyan);
}

/* ══════════════════════════════════════════════════════════
   UTILITIES
   ══════════════════════════════════════════════════════════ */
.hidden {
  display: none !important;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 100px;
  }
  .hero-visual {
    display: none;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-card.highlighted {
    transform: none;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .ethics-inner {
    grid-template-columns: 1fr;
  }
  .ethics-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .nav-actions .btn-ghost {
    display: none;
  }

  .hero {
    padding: 90px 20px 40px;
  }
  .hero-ctas {
    flex-direction: column;
  }
  .btn-hero-primary,
  .btn-hero-ghost {
    width: 100%;
    justify-content: center;
  }

  .features,
  .pricing,
  .testimonials {
    padding: 60px 20px;
  }
  .ethics {
    padding: 60px 20px;
  }
  .footer {
    padding: 40px 20px 30px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-stats {
    gap: 16px;
  }
  .stat-num {
    font-size: 18px;
  }

  /* App responsive */
  .sidebar {
    display: none;
  }
  .app-layout .chat-area {
    width: 100%;
  }
  .msg-bubble {
    max-width: 90%;
  }
  .input-hint {
    display: none;
  }

  .modal {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .pricing-toggle {
    flex-direction: column;
    gap: 10px;
  }
  .footer-links {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .stat-divider {
    display: none;
  }
}

/* ─────────────────────────────────────────────────────────
   LANGUAGE SELECTOR
───────────────────────────────────────────────────────── */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 3px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border-radius: 5px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
  line-height: 1;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent);
  color: #000;
  font-weight: 700;
}

/* App header variant — slightly smaller */
.app-lang-selector {
  margin-right: 4px;
}

/* Mobile nav variant */
.mobile-lang {
  margin-top: 8px;
  align-self: flex-start;
}

@media (max-width: 768px) {
  .lang-selector:not(.mobile-lang):not(.app-lang-selector) {
    display: none;
  }
}

/* ══════════════════════════════════════════════════════════
   RTL SUPPORT (Arabic)
   ══════════════════════════════════════════════════════════ */

html[dir="rtl"] body,
body.rtl {
  direction: rtl;
  text-align: right;
}

/* Flip flex rows */
body.rtl .nav-inner,
body.rtl .app-header-inner,
body.rtl .app-header-right,
body.rtl .conversations-header,
body.rtl .input-actions,
body.rtl .msg-meta,
body.rtl .hero-ctas,
body.rtl .hero-stats,
body.rtl .nav-actions,
body.rtl .nav-links {
  flex-direction: row-reverse;
}

body.rtl .hero-content {
  text-align: right;
}

/* Message bubbles — reverse side */
body.rtl .user-msg {
  flex-direction: row-reverse;
}
body.rtl .ai-msg {
  flex-direction: row;
}
body.rtl .user-msg .msg-bubble {
  border-radius: 18px 4px 18px 18px;
}
body.rtl .ai-msg .msg-bubble {
  border-radius: 4px 18px 18px 18px;
}

/* Input field */
body.rtl .input-field {
  direction: rtl;
  text-align: right;
}

/* Sidebar in RTL */
body.rtl .app-layout {
  flex-direction: row-reverse;
}
body.rtl .sidebar {
  border-right: none;
  border-left: 1px solid var(--border);
}

/* Nav logo — keep LTR for brand name */
body.rtl .nav-logo,
body.rtl .logo-brand {
  direction: ltr;
}

/* Arrows in buttons that should flip */
body.rtl .nav-open-app::after {
  content: " ←";
}

/* Send icon in RTL */
body.rtl .send-icon {
  transform: scaleX(-1);
}
body.rtl .btn-send:hover .send-icon {
  transform: scaleX(-1) translateX(3px);
}

/* Conversation items */
body.rtl .conv-item {
  flex-direction: row-reverse;
}
body.rtl .conv-item-del {
  margin-left: 0;
  margin-right: auto;
}

/* Profile modal */
body.rtl .profile-modal {
  direction: rtl;
  text-align: right;
}
body.rtl .profile-lang-btns,
body.rtl .profile-style-btns {
  justify-content: flex-end;
}

/* ══════════════════════════════════════════════════════════
   CONVERSATION SEARCH INPUT
   ══════════════════════════════════════════════════════════ */

.conv-search-wrap {
  margin-bottom: 6px;
}

.conv-search {
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 11px;
  padding: 5px 9px;
  outline: none;
  transition: border-color var(--transition);
}

.conv-search::placeholder {
  color: var(--text-3);
}

.conv-search:focus {
  border-color: var(--border-active);
}

/* Expand conversation list height for more history */
.conversations-list {
  max-height: 260px !important;
}

/* ══════════════════════════════════════════════════════════
   CONVERSATION ITEM — DELETE BUTTON
   ══════════════════════════════════════════════════════════ */

.conv-item {
  position: relative;
}

.conv-item-del {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 9px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
  transition:
    color var(--transition),
    background var(--transition);
  align-self: center;
}

.conv-item:hover .conv-item-del {
  display: flex;
  align-items: center;
}

.conv-item-del:hover {
  color: var(--error);
  background: rgba(255, 68, 102, 0.1);
}

/* ══════════════════════════════════════════════════════════
   PROFILE SETTINGS MODAL
   ══════════════════════════════════════════════════════════ */

.profile-modal {
  max-width: 480px;
}

.profile-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-hint {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 5px;
  line-height: 1.5;
}

/* Language preference buttons */
.profile-lang-btns,
.profile-style-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.profile-lang-btn,
.profile-style-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.profile-lang-btn:hover,
.profile-style-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-1);
}

.profile-lang-btn.active,
.profile-style-btn.active {
  background: var(--cyan-dim);
  border-color: var(--border-active);
  color: var(--cyan);
  font-weight: 600;
}

/* Arabic label in RTL */
.profile-lang-btn[data-lang="ar"] {
  font-family: "Segoe UI", "Arial", sans-serif;
  font-size: 13px;
}

.profile-form-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile-form-footer .btn-auth {
  margin-top: 4px;
}

/* ══════════════════════════════════════════════════════════
   SETTINGS GEAR BUTTON (app header)
   ══════════════════════════════════════════════════════════ */

.btn-icon-sm {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.btn-icon-sm:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
}