:root {
    --bg: #0a0a10;
    --bg-elevated: #141420;
    --bg-card: #1a1a26;
    --text: #e8e8ee;
    --text-muted: #8a8a94;
    --text-faint: #5a5a64;
    --accent: #4ec9a4;
    --accent-hover: #5ed4b4;
    --accent-dim: rgba(78, 201, 164, 0.15);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --radius: 14px;
    --radius-sm: 8px;
    --max-width: 1080px;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(78, 201, 164, 0.08), transparent 55%),
        radial-gradient(ellipse at 50% 100%, rgba(78, 201, 164, 0.04), transparent 60%);
}

a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.15s ease;
}

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

/* -------- Header -------- */

header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

header nav {
    display: flex;
    gap: 28px;
}

header nav a {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

header nav a:hover {
    color: var(--text);
}

/* -------- Hero -------- */

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

.hero {
    text-align: center;
    padding: 72px 0 120px;
}

h1 {
    font-size: clamp(44px, 8vw, 84px);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.02;
    margin: 0 0 24px;
    background: linear-gradient(180deg, #ffffff 10%, #a8a8b4 130%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subhead {
    font-size: clamp(18px, 2.4vw, 22px);
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

.cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.requirements {
    margin: 0;
    font-size: 13px;
    color: var(--text-faint);
}

/* Animated mic-reactive pill */

.pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 20px 28px;
    background: #0f0f17;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    margin-bottom: 48px;
    box-shadow:
        0 0 0 1px rgba(78, 201, 164, 0.08),
        0 10px 40px rgba(78, 201, 164, 0.12),
        0 0 80px rgba(78, 201, 164, 0.08);
}

.pill span {
    display: block;
    width: 4px;
    background: var(--accent);
    border-radius: 2px;
    animation: pill-pulse 1.1s ease-in-out infinite;
}

.pill span:nth-child(1) { height: 16px; animation-delay: 0.00s; }
.pill span:nth-child(2) { height: 28px; animation-delay: 0.15s; }
.pill span:nth-child(3) { height: 36px; animation-delay: 0.30s; }
.pill span:nth-child(4) { height: 22px; animation-delay: 0.45s; }
.pill span:nth-child(5) { height: 14px; animation-delay: 0.60s; }

@keyframes pill-pulse {
    0%, 100% { transform: scaleY(0.45); }
    50%      { transform: scaleY(1); }
}

/* -------- Buttons -------- */

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.12s ease, background 0.15s ease;
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a10;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

/* -------- Sections -------- */

section { padding: 80px 0; }

h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin: 0 0 56px;
    text-align: center;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 10px;
    color: var(--text);
}

/* -------- How it works -------- */

.how {
    padding: 40px 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    position: relative;
}

.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
}

.step p {
    margin: 0;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.55;
}

/* -------- Features -------- */

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

.feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: border-color 0.2s ease;
}

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

.feature-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 16px;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature p {
    margin: 0;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.55;
}

.feature em {
    font-style: italic;
    color: var(--text-faint);
}

/* -------- Pricing -------- */

.pricing-sub {
    text-align: center;
    color: var(--text-muted);
    margin: -32px 0 56px;
    font-size: 17px;
}

.plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
}

.plan {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
}

.plan.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 20px 60px rgba(78, 201, 164, 0.08);
}

.plan-head {
    margin-bottom: 24px;
}

.plan h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 10px;
}

.price {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.price-amount {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.price-unit {
    color: var(--text-muted);
    font-size: 15px;
}

.plan ul {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    flex: 1;
}

.plan li {
    padding: 10px 0 10px 26px;
    position: relative;
    color: var(--text-muted);
    font-size: 15px;
    border-bottom: 1px solid var(--border);
}

.plan li:last-child { border-bottom: none; }

.plan li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234ec9a4'%3E%3Cpath d='M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 1 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.plan li strong {
    color: var(--text);
    font-weight: 600;
}

/* -------- Closer -------- */

.closer {
    text-align: center;
    padding: 120px 0;
}

.closer h2 {
    margin-bottom: 32px;
}

/* -------- Footer -------- */

footer {
    padding: 48px 32px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

footer nav {
    display: flex;
    gap: 24px;
}

footer nav a {
    color: var(--text-muted);
    font-size: 14px;
}

footer nav a:hover {
    color: var(--text);
}

/* -------- Responsive -------- */

@media (max-width: 640px) {
    header { padding: 16px 20px; }
    header nav { gap: 18px; }
    main { padding: 0 20px; }
    .hero { padding: 40px 0 80px; }
    section { padding: 60px 0; }
    h2 { margin-bottom: 40px; }
    .footer-inner { flex-direction: column; text-align: center; }
}