/* ============================================================
   BotMomo Landing — Color tokens
   Replace values here if branding changes.
   ============================================================ */
:root {
  --color-accent: #E7C039;
  --color-accent-soft: rgba(231, 192, 57, 0.18);
  --color-accent-glow: rgba(231, 192, 57, 0.35);
  --color-surface: #F9F9F9;
  --color-bg: #230D47;
  --color-bg-deep: #1a0a36;
  --color-bg-card: rgba(255, 255, 255, 0.06);
  --color-text: #F9F9F9;
  --color-text-muted: rgba(249, 249, 249, 0.72);
  --color-text-dark: #230D47;
  --font-display: "Georgia", "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-glow: 0 0 60px var(--color-accent-glow);
  --nav-height: 72px;
  --max-width: 1140px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-surface); }

/* Background atmosphere */
.bg-atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, var(--color-accent-soft) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 85% 70%, rgba(120, 60, 200, 0.15) 0%, transparent 50%),
    linear-gradient(165deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
}

.bg-dots {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.12;
  background-image: radial-gradient(var(--color-accent) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Navigation */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.25rem;
  background: rgba(35, 13, 71, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(231, 192, 57, 0.12);
  transition: box-shadow var(--transition);
}

.site-nav.scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35); }

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.05rem;
}

.nav-logo:hover { color: var(--color-accent); }

.nav-logo svg { width: 32px; height: 32px; flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(231, 192, 57, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.45rem;
  cursor: pointer;
  color: var(--color-accent);
}

.nav-toggle svg { width: 24px; height: 24px; display: block; }

/* Layout helpers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 620px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(231, 192, 57, 0.35);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  background: var(--color-accent-soft);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.12;
  margin-bottom: 0.75rem;
}

.hero-title span {
  display: block;
  font-size: 0.55em;
  color: var(--color-accent);
  font-style: italic;
  margin-top: 0.35rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--color-surface);
  color: var(--color-text-dark);
  box-shadow: 0 0 40px var(--color-accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(249, 249, 249, 0.25);
}

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

/* Phone mockup */
.phone-stage {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-glow {
  position: absolute;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(40px);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

.phone-frame {
  position: relative;
  width: 260px;
  background: #0d0520;
  border-radius: 36px;
  padding: 12px;
  border: 2px solid rgba(231, 192, 57, 0.4);
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.phone-notch {
  width: 90px;
  height: 22px;
  background: #0d0520;
  border-radius: 0 0 14px 14px;
  margin: 0 auto 8px;
  position: relative;
  z-index: 2;
}

.phone-screen {
  border-radius: 24px;
  overflow: hidden;
  background: var(--color-bg-deep);
  aspect-ratio: 9 / 19.5;
  position: relative;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.phone-dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1rem;
}

.phone-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(249, 249, 249, 0.25);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}

.phone-dot.active {
  background: var(--color-accent);
  transform: scale(1.25);
}

/* Conversation ribbon — repeating visual motif */
.ribbon {
  padding: 1.25rem 0;
  overflow: hidden;
  border-top: 1px solid rgba(231, 192, 57, 0.15);
  border-bottom: 1px solid rgba(231, 192, 57, 0.15);
  background: rgba(0, 0, 0, 0.15);
}

.ribbon-track {
  display: flex;
  gap: 2.5rem;
  animation: ribbon-scroll 28s linear infinite;
  width: max-content;
}

.ribbon-track span {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.ribbon-track svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

@keyframes ribbon-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Feature cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(231, 192, 57, 0.12);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: rgba(231, 192, 57, 0.35);
  transform: translateY(-4px);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* How it works — stepped path */
.steps-path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 3rem;
  position: relative;
}

.steps-path::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.step-node {
  text-align: center;
  padding: 0 0.75rem;
  position: relative;
}

.step-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
}

.step-circle svg { width: 24px; height: 24px; }

.step-node h4 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.step-node p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* RooSteps showcase */
.roosteps-panel {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
  background: var(--color-bg-card);
  border: 1px solid rgba(231, 192, 57, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.roosteps-panel::after {
  content: "";
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(231, 192, 57, 0.1);
  pointer-events: none;
}

.task-list { list-style: none; }

.task-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(249, 249, 249, 0.08);
}

.task-item:last-child { border-bottom: none; }

.task-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.task-check svg { width: 14px; height: 14px; }

.task-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.task-item span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Screenshot gallery strip */
.gallery-strip {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 1rem 0 1.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) transparent;
}

.gallery-item {
  flex: 0 0 200px;
  scroll-snap-align: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(231, 192, 57, 0.2);
  background: var(--color-bg-deep);
  transition: transform var(--transition);
}

.gallery-item:hover { transform: scale(1.03); }

.gallery-item img {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  object-position: top center;
}

/* Quote block */
.quote-block {
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
}

.quote-block blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-style: italic;
  max-width: 700px;
  margin: 0 auto 1.5rem;
  line-height: 1.45;
  color: var(--color-surface);
}

.quote-block cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quote-mark {
  width: 48px;
  height: 48px;
  margin: 0 auto 1.5rem;
  color: var(--color-accent);
  opacity: 0.5;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, rgba(231, 192, 57, 0.15) 0%, rgba(231, 192, 57, 0.05) 100%);
  border: 1px solid rgba(231, 192, 57, 0.25);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  margin-top: 2rem;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 0.75rem;
}

.cta-band p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(231, 192, 57, 0.12);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(249, 249, 249, 0.08);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Legal / inner pages */
.page-hero {
  padding: calc(var(--nav-height) + 3rem) 0 2.5rem;
  text-align: center;
  border-bottom: 1px solid rgba(231, 192, 57, 0.12);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 2.5rem 0 0.75rem;
  color: var(--color-accent);
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.legal-content ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.legal-content li { margin-bottom: 0.5rem; }

.legal-updated {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--color-accent-soft);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-top: 0.5rem;
}

/* Contacts page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  padding: 3rem 0 5rem;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(231, 192, 57, 0.15);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.contact-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.contact-detail svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail strong {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.contact-detail a,
.contact-detail span {
  color: var(--color-text);
  font-size: 0.95rem;
}

.contact-form label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text-muted);
}

.contact-form .field {
  margin-bottom: 1.25rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(249, 249, 249, 0.15);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .roosteps-panel,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .features-grid { grid-template-columns: 1fr 1fr; }

  .steps-path {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .steps-path::before { display: none; }

  .phone-stage { order: -1; }

  .hero { min-height: auto; padding-bottom: 3rem; }
}

@media (max-width: 640px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(35, 13, 71, 0.97);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid rgba(231, 192, 57, 0.12);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 0.85rem 1rem;
  }

  .features-grid { grid-template-columns: 1fr; }

  .steps-path { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }

  .section { padding: 3.5rem 0; }

  .roosteps-panel { padding: 1.5rem; }

  .phone-frame { width: 220px; }
}