:root {
    color-scheme: light;
    --bg-deep: #06273a;
    --bg-mid: #0f4a68;
    --accent: #12b5cb;
    --accent-strong: #0891b2;
    --text: #123047;
    --muted: #5b7388;
    --border: rgba(7, 37, 58, 0.1);
    --surface: #ffffff;
    --surface-alt: #f4f9fb;
    --shadow: 0 24px 60px rgba(4, 21, 33, 0.12);
    --shadow-soft: 0 10px 26px rgba(15, 34, 51, 0.06);
    --radius-lg: 22px;
    --radius-md: 16px;
    --transition-fast: 200ms ease-out;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--text);
    background: var(--surface);
}

a {
    color: inherit;
}

.container {
    width: min(1180px, 100%);
    margin: 0 auto;
    padding: 0 24px;
}

/* Nav */
.nav-bar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(6, 39, 58, 0.92);
    backdrop-filter: blur(8px);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 800;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.nav-brand img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 10px 14px;
    border-radius: 999px;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-cta {
    background: var(--accent);
    color: #04222f;
    font-weight: 800;
    padding: 10px 18px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.92rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(18, 181, 203, 0.35);
}

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 0%, rgba(18, 181, 203, 0.28), transparent 40%),
        radial-gradient(circle at 88% 20%, rgba(103, 232, 249, 0.18), transparent 30%),
        linear-gradient(135deg, #031a29 0%, #0a3850 55%, #0f6b80 100%);
    color: #fff;
    padding: 96px 24px 120px;
    text-align: center;
}

.hero-eyebrow {
    display: inline-block;
    background: rgba(18, 181, 203, 0.16);
    border: 1px solid rgba(18, 181, 203, 0.35);
    color: #9fe9f3;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 8px 16px;
    border-radius: 999px;
    margin-bottom: 22px;
}

.hero h1 {
    font-size: clamp(2.1rem, 4.4vw, 3.4rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    max-width: 820px;
    margin: 0 auto 20px;
}

.hero p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 620px;
    margin: 0 auto 34px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 46px;
}

.btn-primary {
    background: var(--accent);
    color: #04222f;
    font-weight: 800;
    padding: 15px 28px;
    border-radius: 14px;
    text-decoration: none;
    font-size: 1rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 16px 34px rgba(18, 181, 203, 0.3);
}

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

.btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #fff;
    font-weight: 700;
    padding: 15px 26px;
    border-radius: 14px;
    text-decoration: none;
    font-size: 1rem;
    transition: background var(--transition-fast);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.16);
}

.hero-chips {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-chip {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
}

/* Sections */
.section {
    padding: 80px 24px;
}

.section-alt {
    background: var(--surface-alt);
}

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 52px;
}

.section-eyebrow {
    display: inline-block;
    color: var(--accent-strong);
    font-weight: 800;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    letter-spacing: -0.01em;
    margin: 0 0 12px;
}

.section-head p {
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
}

/* Feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    max-width: 1180px;
    margin: 0 auto;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-soft);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(18, 181, 203, 0.12);
    color: var(--accent-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.05rem;
    margin: 0 0 8px;
}

.feature-card p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.55;
    margin: 0;
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
    counter-reset: step;
}

.step-card {
    position: relative;
    padding: 30px 24px 24px;
    text-align: left;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-deep);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 1.05rem;
    margin: 0 0 8px;
}

.step-card p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.55;
    margin: 0;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pricing-card--featured {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-6px);
}

.pricing-plan-name {
    font-weight: 800;
    font-size: 1.1rem;
}

.pricing-price {
    font-size: 2.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.pricing-price span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--muted);
}

.pricing-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pricing-features li {
    position: relative;
    padding-left: 26px;
    color: var(--text);
    font-size: 0.92rem;
    line-height: 1.4;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(18, 181, 203, 0.15);
    color: var(--accent-strong);
    font-size: 0.72rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-cta {
    margin-top: auto;
    display: block;
    text-align: center;
    background: var(--bg-deep);
    color: #fff;
    font-weight: 700;
    padding: 13px 20px;
    border-radius: 12px;
    text-decoration: none;
    transition: background var(--transition-fast);
}

.pricing-card--featured .pricing-cta {
    background: var(--accent-strong);
}

.pricing-cta:hover {
    background: var(--accent-strong);
}

/* Final CTA */
.cta-band {
    background: linear-gradient(135deg, #031a29 0%, #0a3850 55%, #0f6b80 100%);
    color: #fff;
    text-align: center;
    padding: 72px 24px;
}

.cta-band h2 {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    margin: 0 0 14px;
}

.cta-band p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 30px;
}

/* Footer */
.footer {
    background: var(--bg-deep);
    color: rgba(255, 255, 255, 0.6);
    padding: 32px 24px;
    text-align: center;
    font-size: 0.85rem;
}

@media (max-width: 720px) {
    .nav-links .nav-link {
        display: none;
    }

    .pricing-card--featured {
        transform: none;
    }
}