/**
 * LastSignal — your EchoLife onchain
 * Stylesheet
 *
 * Author:  Maxiq (@cryptomaxiq)
 * Project: LastSignal
 * Built on: Ritual Chain
 *
 * Structure:
 *  1. CSS Variables
 *  2. Reset & Base
 *  3. Navigation
 *  4. Hero
 *  5. Waitlist Form
 *  6. Scroll Indicator
 *  7. Sections
 *  8. Feature Cards
 *  9. AI Insight Cards
 *  10. How It Works Steps
 *  11. AmanahProtocol Bridge
 *  12. Bottom CTA
 *  13. Footer
 *  14. Animations
 *  15. Responsive
 */

:root {
    --bg: #07060f;
    --purple: #7c5cbf;
    --purple-light: #a07ee8;
    --green: #4dd9ac;
    --green-dim: #2a8a6a;
    --white: #f0eeff;
    --muted: rgba(240,238,255,0.35);
    --card-bg: rgba(255,255,255,0.03);
    --card-border: rgba(124,92,191,0.18);
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--white);
    font-family: 'Syne', sans-serif;
    overflow-x: hidden;
    cursor: crosshair;
  }

  /* ── CANVAS BACKGROUND ── */
  #bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
  }

  /* ── NOISE OVERLAY ── */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.4;
    z-index: 1;
    pointer-events: none;
  }

  /* ── LAYOUT ── */
  .wrap {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 22px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(7,6,15,0.7);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(124,92,191,0.1);
  }

  .nav-logo {
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--purple-light);
    text-transform: uppercase;
  }

  .nav-logo span {
    color: var(--green);
  }

  .nav-tag {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.16em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .nav-app-btn {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--purple-light);
    border: 1px solid rgba(124, 92, 191, 0.35);
    border-radius: 4px;
    padding: 7px 14px;
    background: rgba(124, 92, 191, 0.1);
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
  }

  .nav-app-btn:hover {
    background: rgba(124, 92, 191, 0.2);
    border-color: rgba(124, 92, 191, 0.6);
    transform: translateY(-1px);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .nav-link {
    text-decoration: none;
  }

  .nav-link:hover {
    color: var(--green);
  }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 32px 80px;
    position: relative;
  }

  .hero-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hero-eyebrow::before,
  .hero-eyebrow::after {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--green-dim);
  }

  .pulse-dot {
    width: 7px;
    height: 7px;
    background: var(--green);
    border-radius: 50%;
    display: inline-block;
    animation: heartbeat 1.8s ease-in-out infinite;
    box-shadow: 0 0 10px var(--green);
  }

  @keyframes heartbeat {
    0%, 100% { transform: scale(1); opacity: 1; }
    14% { transform: scale(1.4); opacity: 1; }
    28% { transform: scale(1); opacity: 0.7; }
    42% { transform: scale(1.2); opacity: 1; }
    70% { transform: scale(1); opacity: 0.6; }
  }

  .hero-title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(68px, 12vw, 120px);
    line-height: 0.92;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.4s;
  }

  .hero-title em {
    font-style: italic;
    color: var(--purple-light);
  }

  .hero-tagline {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(18px, 3vw, 26px);
    font-style: italic;
    color: var(--muted);
    margin-bottom: 56px;
    letter-spacing: 0.04em;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.6s;
  }

  .hero-tagline span {
    color: var(--green);
    font-style: normal;
    font-family: 'DM Mono', monospace;
    font-size: 0.75em;
    letter-spacing: 0.1em;
  }

  /* ── WAITLIST FORM ── */
  .waitlist-wrap {
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.8s;
    width: 100%;
    max-width: 500px;
  }

  .waitlist-form {
    display: flex;
    gap: 0;
    border: 1px solid rgba(124,92,191,0.4);
    border-radius: 4px;
    overflow: hidden;
    background: rgba(255,255,255,0.03);
    transition: border-color 0.3s ease;
  }

  .waitlist-form:focus-within {
    border-color: var(--purple-light);
    box-shadow: 0 0 30px rgba(124,92,191,0.15);
  }

  .waitlist-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 16px 20px;
    font-family: 'DM Mono', monospace;
    font-size: 13px;
    color: var(--white);
    letter-spacing: 0.04em;
  }

  .waitlist-input::placeholder {
    color: rgba(240,238,255,0.25);
  }

  .waitlist-btn {
    background: var(--purple);
    border: none;
    padding: 16px 28px;
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    cursor: pointer;
    transition: background 0.3s ease;
    white-space: nowrap;
  }

  .waitlist-btn:hover {
    background: var(--purple-light);
  }

  /* Waitlist section header */
  .waitlist-header {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 12px;
    text-align: center;
  }

  .waitlist-note {
    margin-top: 14px;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: rgba(240,238,255,0.6);
    text-align: center;
  }

  .success-msg {
    display: none;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--green);
    text-align: center;
    padding: 18px;
    border: 1px solid rgba(77,217,172,0.2);
    border-radius: 4px;
    background: rgba(77,217,172,0.04);
  }

  /* ── SCROLL INDICATOR ── */
  .scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeUp 1s ease forwards 1.4s;
  }

  .scroll-hint span {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--purple), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
  }

  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.1); }
  }

  /* ── WHAT IS IT SECTION ── */
  .section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
  }

  .section-label {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(77,217,172,0.3), transparent);
  }

  .section-headline {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
  }

  .section-headline em {
    font-style: italic;
    color: var(--purple-light);
  }

  .section-body {
    font-family: 'Syne', sans-serif;
    font-size: 17px;
    font-weight: 400;
    color: rgba(240,238,255,0.75);
    line-height: 1.85;
    max-width: 600px;
  }

  /* ── FEATURES GRID ── */
  .features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    margin-top: 60px;
    border: 1px solid var(--card-border);
  }

  .feature {
    background: var(--card-bg);
    padding: 36px 32px;
    border: 1px solid var(--card-border);
    transition: background 0.3s ease;
    position: relative;
    overflow: hidden;
  }

  .feature::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purple), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
  }

  .feature:hover::before {
    transform: scaleX(1);
  }

  .feature:hover {
    background: rgba(124,92,191,0.06);
  }

  .feature-icon {
    font-size: 28px;
    margin-bottom: 16px;
    display: block;
  }

  .feature-title {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: var(--white);
    margin-bottom: 10px;
    letter-spacing: 0.02em;
  }

  .feature-desc {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: rgba(240,238,255,0.72);
    line-height: 1.75;
  }

  .feature-tag {
    margin-top: 14px;
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--green);
    background: rgba(77,217,172,0.07);
    border: 1px solid rgba(77,217,172,0.15);
    padding: 4px 10px;
    border-radius: 2px;
  }

  /* ── AI INSIGHTS ── */
  .insights-section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
  }

  .insights-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 48px;
  }

  .insight-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--card-border);
    border-left: 3px solid var(--purple);
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease, border-left-color 0.3s ease;
  }

  .insight-card.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .insight-card:nth-child(2) { transition-delay: 0.1s; border-left-color: var(--green); }
  .insight-card:nth-child(3) { transition-delay: 0.2s; border-left-color: #e8a07e; }
  .insight-card:nth-child(4) { transition-delay: 0.3s; border-left-color: var(--purple-light); }

  .insight-emoji {
    font-size: 22px;
    flex-shrink: 0;
    margin-top: 2px;
  }

  .insight-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 21px;
    font-style: italic;
    color: rgba(240,238,255,0.88);
    line-height: 1.5;
  }

  .insight-sub {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: rgba(240,238,255,0.5);
    margin-top: 8px;
    text-transform: uppercase;
  }

  /* ── HOW IT WORKS ── */
  .steps {
    margin-top: 60px;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
  }

  .steps::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 0; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--purple), rgba(124,92,191,0.1));
  }

  .step {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    padding: 28px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

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

  .step:nth-child(2) { transition-delay: 0.1s; }
  .step:nth-child(3) { transition-delay: 0.2s; }
  .step:nth-child(4) { transition-delay: 0.3s; }
  .step:nth-child(5) { transition-delay: 0.4s; }

  .step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    color: var(--purple-light);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
  }

  .step-content {}

  .step-title {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: var(--white);
    margin-bottom: 6px;
  }

  .step-desc {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    color: rgba(240,238,255,0.72);
    line-height: 1.75;
  }

  /* ── AMANAH BRIDGE ── */
  .bridge-section {
    padding: 80px 0;
    position: relative;
    z-index: 2;
  }

  .bridge-card {
    border: 1px solid rgba(124,92,191,0.25);
    background: rgba(124,92,191,0.04);
    padding: 48px;
    position: relative;
    overflow: hidden;
  }

  .bridge-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purple), var(--green), transparent);
  }

  .bridge-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,92,191,0.1) 0%, transparent 70%);
    right: -80px;
    top: -80px;
    pointer-events: none;
  }

  .bridge-label {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--purple-light);
    margin-bottom: 20px;
  }

  .bridge-title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: 36px;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
  }

  .bridge-title em {
    font-style: italic;
    color: var(--purple-light);
  }

  .bridge-body {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    color: rgba(240,238,255,0.72);
    line-height: 1.85;
    max-width: 520px;
  }

  .bridge-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--green);
    text-decoration: none;
    border-bottom: 1px solid rgba(77,217,172,0.3);
    padding-bottom: 2px;
    transition: color 0.3s, border-color 0.3s;
  }

  .bridge-link:hover {
    color: var(--white);
    border-color: var(--white);
  }

  /* ── BOTTOM CTA ── */
  .cta-section {
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    z-index: 2;
  }

  .cta-title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.05;
    color: var(--white);
    margin-bottom: 20px;
  }

  .cta-title em {
    font-style: italic;
    color: var(--purple-light);
  }

  .cta-sub {
    font-family: 'Syne', sans-serif;
    font-size: 17px;
    color: rgba(240,238,255,0.72);
    margin-bottom: 48px;
    line-height: 1.7;
  }

  /* ── FOOTER ── */
  footer {
    position: relative;
    z-index: 2;
    padding: 32px 40px;
    border-top: 1px solid rgba(124,92,191,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .footer-left {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--muted);
  }

  .footer-left a {
    color: var(--purple-light);
    text-decoration: none;
  }

  .footer-right {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .footer-right .dot {
    width: 5px;
    height: 5px;
    background: var(--green);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
  }

  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 640px) {
    nav { padding: 18px 20px; }
    .features { grid-template-columns: 1fr; }
    .waitlist-form { flex-direction: column; }
    .waitlist-btn { padding: 14px; }
    .bridge-card { padding: 32px 24px; }
    footer { flex-direction: column; gap: 12px; text-align: center; }
  }