/* ============================================
   LC FREQ — Neo-Brutalist Design System
   Inspired by klaz.app
   ============================================ */

/* ---------- Google Fonts ---------- */
/* Archivo Black, Space Mono, Inter loaded in HTML */

/* ---------- CSS Custom Properties ---------- */
:root {
  --black: #000000;
  --white: #ffffff;
  --off-white: #f3f4f6;
  --gray-dot: #d1d5db;
  --gray-border: #e5e7eb;

  --amber: #fbbf24;
  --amber-dark: #d99b00;
  --purple: #a855f7;
  --green: #10b981;
  --red: #ef4444;
  --blue: #3b82f6;
  --teal: #14b8a6;

  --border-thick: 4px solid var(--black);
  --shadow-hard: 6px 6px 0px 0px var(--black);
  --shadow-hard-sm: 4px 4px 0px 0px var(--black);
  --radius: 0px;

  --font-display: 'Archivo Black', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Inter', sans-serif;

  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* ---------- Dot Grid Background ---------- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(var(--gray-dot) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ---------- Ticker Bar ---------- */
.ticker-bar {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

/* ---------- Navbar ---------- */
.navbar {
  background: var(--white);
  border-bottom: var(--border-thick);
  position: sticky;
  top: 0;
  z-index: 99;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -1px;
  color: var(--black);
  transition: var(--transition);
}

.logo-dot {
  color: var(--green);
  font-size: 2.2rem;
  line-height: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.nav-links a {
  transition: var(--transition);
  padding: 4px 0;
  border-bottom: 4px solid transparent;
}

.nav-links a:hover {
  border-bottom: 4px solid var(--amber);
}

.nav-btn {
  background: var(--white);
  border: 3px solid var(--black) !important;
  padding: 8px 24px !important;
  font-family: var(--font-display);
  transition: var(--transition);
  cursor: pointer;
}

.nav-btn:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard-sm);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--black);
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-bottom: var(--border-thick);
  padding: 16px 32px;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.mobile-menu.active {
  display: flex;
}

/* ---------- Accent Line ---------- */
.accent-line {
  height: 6px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
}

/* ---------- Hero Section ---------- */
.hero {
  padding: 80px 32px 60px;
  border-bottom: var(--border-thick);
  text-align: center;
  background: var(--white);
  overflow: hidden;
}

.hero-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-display);
  line-height: 1.05;
  margin-bottom: 40px;
}

.hero-line-1 {
  display: block;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  color: var(--black);
}

.hero-line-2 {
  display: block;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
}

.hero-highlight {
  background: var(--amber);
  padding: 4px 16px;
  display: inline-block;
  box-shadow: var(--shadow-hard);
  border: var(--border-thick);
  transform: rotate(-1deg);
}

.hero-line-3 {
  display: block;
  font-size: clamp(2rem, 5.5vw, 4rem);
  color: var(--black);
  margin-top: 8px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 18px;
  border: 3px solid var(--black);
  box-shadow: var(--shadow-hard-sm);
  transition: var(--transition);
  cursor: default;
}

.tag:hover {
  transform: translateY(-2px);
}

.tag-amber { background: var(--amber); }
.tag-purple { background: var(--purple); color: var(--white); }
.tag-blue { background: var(--blue); color: var(--white); }
.tag-green { background: var(--green); color: var(--white); }
.tag-red { background: var(--red); color: var(--white); }

/* ---------- Built-By Section ---------- */
.built-by-section {
  padding: 80px 32px;
  border-bottom: var(--border-thick);
}

.built-by-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* Mock Browser */
.mock-browser {
  border: var(--border-thick);
  box-shadow: 8px 8px 0px 0px var(--black);
  background: #1a1a2e;
  border-radius: 4px;
  overflow: hidden;
}

.mock-browser-bar {
  background: #2d2d44;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid var(--black);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #fbbf24; }
.dot.green { background: #10b981; }

.mock-url {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #888;
  margin-left: 10px;
}

.mock-browser-body {
  padding: 20px;
}

.mock-panel {
  background: #16162a;
  border: 2px solid #333;
  border-radius: 4px;
  padding: 16px;
}

.mock-panel-header {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 2px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.mock-company {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #ccc;
}

.mock-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  border-radius: 2px;
  display: inline-block;
}

/* Content Side */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 1px;
  color: var(--green);
  font-weight: 700;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.title-highlight {
  background: var(--amber);
  padding: 2px 12px;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-sm);
  display: inline-block;
}

.section-text {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 480px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.text-underline {
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-underline-offset: 4px;
  text-decoration-thickness: 3px;
}

/* CTA Button */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--black);
  border: var(--border-thick);
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: var(--shadow-hard);
  transition: var(--transition);
  cursor: pointer;
}

.cta-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--black);
  background: var(--amber);
}

.btn-icon {
  font-size: 1.2rem;
  font-weight: 700;
}

/* ---------- Mission Section ---------- */
.mission-section {
  padding: 80px 32px;
  background: var(--white);
  border-bottom: var(--border-thick);
}

.mission-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.mission-label {
  color: var(--red);
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 24px;
}

.mission-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.mission-red {
  color: var(--red);
}

.mission-right {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
}

.mission-right p {
  margin-bottom: 16px;
}

/* ---------- Features Section ---------- */
.features-section {
  padding: 80px 32px;
  border-bottom: var(--border-thick);
}

.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 32px 28px;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--black);
}

.feature-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.feature-icon {
  font-size: 1.6rem;
  background: var(--white);
  border: 3px solid var(--black);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--black);
  opacity: 0.15;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 1px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.feature-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: #333;
}

.feature-divider {
  margin: 24px 0 16px;
  border-top: 2px dashed #ccc;
}

.feature-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 12px;
  display: inline-block;
}

/* ---------- Vision / Mission Cards ---------- */
.vm-section {
  padding: 80px 32px;
  border-bottom: var(--border-thick);
}

.vm-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.vm-card {
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 40px 36px;
  position: relative;
  transition: var(--transition);
}

.vm-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--black);
}

.vm-purple {
  background: var(--purple);
  color: var(--white);
}

.vm-amber {
  background: var(--amber);
  color: var(--black);
}

.vm-icon-box {
  width: 48px;
  height: 48px;
  border: 3px solid var(--black);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--black);
}

.vm-status {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  background: var(--black);
  color: var(--white);
  padding: 4px 12px;
}

.vm-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.vm-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* Statement Banner */
.statement-banner {
  max-width: 1100px;
  margin: 48px auto 0;
  text-align: center;
}

.statement-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 3rem);
  text-transform: uppercase;
}

.statement-underline {
  text-decoration: underline;
  text-decoration-color: var(--teal);
  text-underline-offset: 8px;
  text-decoration-thickness: 6px;
}

/* ---------- Preview Section ---------- */
.preview-section {
  padding: 80px 32px;
  background: var(--white);
  border-bottom: var(--border-thick);
}

.preview-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title-center {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.preview-card {
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--black);
  transition: var(--transition);
}

.preview-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--black);
}

.preview-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.preview-card:hover img {
  opacity: 0.9;
}

/* ---------- Install Section ---------- */
.install-section {
  padding: 80px 32px;
  border-bottom: var(--border-thick);
}

.install-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.install-card {
  background: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 32px 28px;
  transition: var(--transition);
}

.install-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0px 0px var(--black);
}

.install-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.install-icon {
  font-size: 1.8rem;
}

.install-badge {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.install-steps {
  margin-left: 20px;
  margin-bottom: 20px;
}

.install-steps li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

.install-steps code {
  background: #f0f0f0;
  border: 1px solid #ddd;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.install-screenshot {
  border: 2px solid var(--black);
  overflow: hidden;
}

.install-screenshot img {
  width: 100%;
  display: block;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 100px 32px;
  text-align: center;
  background: var(--white);
  border-bottom: var(--border-thick);
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.cta-underline {
  text-decoration: underline;
  text-decoration-color: var(--amber);
  text-underline-offset: 8px;
  text-decoration-thickness: 6px;
}

.cta-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 36px;
}

.cta-btn-large {
  font-size: 1rem;
  padding: 18px 44px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 14px 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer-right a {
  color: var(--amber);
  transition: var(--transition);
}

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

/* ---------- Right Sidebar ---------- */
.sidebar-right {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--black);
  padding: 16px 8px;
  z-index: 90;
  opacity: 0.4;
  border-left: 2px solid var(--black);
  background: var(--white);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .built-by-grid,
  .mission-grid,
  .vm-grid,
  .install-grid {
    grid-template-columns: 1fr;
  }

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

  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .sidebar-right {
    display: none;
  }

  .hero {
    padding: 60px 20px 40px;
  }

  .hero-highlight {
    padding: 2px 10px;
  }

  .built-by-section,
  .mission-section,
  .features-section,
  .vm-section,
  .preview-section,
  .install-section,
  .cta-section {
    padding: 60px 20px;
  }
}

@media (max-width: 480px) {
  .hero-line-1,
  .hero-line-2 {
    font-size: 2rem;
  }

  .hero-line-3 {
    font-size: 1.6rem;
  }

  .hero-tags {
    flex-direction: column;
    align-items: center;
  }

  .tag {
    width: 100%;
    text-align: center;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-inner,
.built-by-grid,
.mission-inner,
.features-grid,
.vm-grid,
.preview-inner,
.install-inner,
.cta-inner {
  animation: fadeInUp 0.6s ease forwards;
}

/* Staggered entrance for feature cards */
.feature-card:nth-child(1) { animation: fadeInUp 0.5s ease 0.1s forwards; opacity: 0; }
.feature-card:nth-child(2) { animation: fadeInUp 0.5s ease 0.2s forwards; opacity: 0; }
.feature-card:nth-child(3) { animation: fadeInUp 0.5s ease 0.3s forwards; opacity: 0; }

/* Hover micro-animations */
.feature-card,
.vm-card,
.preview-card,
.install-card,
.cta-btn,
.tag,
.nav-btn {
  will-change: transform, box-shadow;
}

/* ---------- Support Modal & Floating Button ---------- */
.floating-support-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--black);
  color: var(--white);
  border: var(--border-thick);
  border-color: var(--white);
  border-radius: 40px;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 1px;
  cursor: pointer;
  z-index: 100;
  box-shadow: var(--shadow-hard-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.floating-support-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px 0px rgba(255, 255, 255, 0.2);
}

.heart-icon {
  font-size: 1.2rem;
}

.support-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  backdrop-filter: blur(4px);
}

.support-modal-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease forwards;
}

.support-modal {
  background: #111;
  border: var(--border-thick);
  border-color: #333;
  border-radius: 16px;
  padding: 40px 30px;
  width: 90%;
  max-width: 400px;
  position: relative;
  text-align: center;
  color: var(--white);
  box-shadow: 0px 20px 40px rgba(0,0,0,0.5);
  animation: slideUp 0.3s ease forwards;
}

.support-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: #888;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.support-close:hover {
  color: var(--white);
  transform: scale(1.1);
}

.support-heart {
  font-size: 3rem;
  margin-bottom: 12px;
  animation: pulse 1.5s infinite;
}

.support-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.support-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #aaa;
  margin-bottom: 24px;
}

.support-qr-box {
  background: var(--white);
  border: 4px solid var(--black);
  border-radius: 12px;
  padding: 16px;
  margin: 0 auto 16px;
  width: fit-content;
}

.support-qr {
  width: 160px;
  height: 160px;
  object-fit: contain;
  display: block;
}

.support-upi {
  margin-bottom: 24px;
}

.support-upi-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #666;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.support-upi-id {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  background: #222;
  padding: 8px 16px;
  border-radius: 40px;
  display: inline-block;
}

.support-divider {
  position: relative;
  text-align: center;
  margin-bottom: 24px;
}

.support-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #333;
  z-index: 0;
}

.support-divider span {
  position: relative;
  background: #111;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #666;
  z-index: 1;
}

.support-bmc-container {
  display: flex;
  justify-content: center;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}