:root {
    --bg: #03091a;
    --bg-alt: rgba(6, 18, 46, 0.9);
    --bg-light: #f5f7fb;
    --accent: #4da3ff;
    --accent-soft: #9fd6ff;
    --text: #e9edf7;
    --text-muted: #a5afc7;
    --card-bg: rgba(9, 24, 68, 0.85);
    --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.45);
    --radius-lg: 24px;
    --radius-pill: 999px;
    --transition-fast: 180ms ease-out;
}

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

body {
    font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at 10% 0%, #193b6b 0%, #050816 40%, #02030a 100%);
    color: var(--text);
    min-height: 100vh;
}

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

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

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1120px, 100% - 3rem);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: linear-gradient(to bottom, rgba(3, 8, 26, 0.96), rgba(3, 8, 26, 0.7));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    height: 40px;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
    font-size: 0.95rem;
}

.main-nav a {
    color: var(--text-muted);
    position: relative;
    padding-bottom: 0.1rem;
    font-weight: 500;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent-soft));
    transition: width var(--transition-fast);
}

.main-nav a:hover::after {
    width: 100%;
}

.hero {
    position: relative;
    padding: 5.5rem 0 4.5rem;
    overflow: hidden;
}

.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-soft);
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.4rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero h1 .accent {
    color: var(--accent);
}

.hero-subtitle {
    max-width: 36rem;
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 1.02rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.25rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-pill);
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #72b7ff);
    color: #020518;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 28px 70px rgba(19, 90, 194, 0.7);
}

.btn-outline {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(3, 9, 26, 0.7);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(9, 24, 68, 0.9);
}

.section {
    padding: 4.5rem 0;
}

.section-light {
    background: var(--bg-light);
    color: #111827;
}

.section-light p,
.section-light li,
.section-light .section-intro {
    color: #4b5563;
}

.section-intro {
    margin-top: 0.75rem;
    max-width: 34rem;
    color: var(--text-muted);
}

.two-col {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
    gap: 3rem;
    align-items: flex-start;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
    margin-top: 2.5rem;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.card h3 {
    margin-bottom: 0.7rem;
}

.card p {
    font-size: 0.97rem;
    color: var(--text-muted);
}

.card ul {
    list-style: none;
    margin-top: 1rem;
}

.card li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
    color: var(--accent-soft);
}

.card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
}

.pill-list ul {
    list-style: none;
    margin-top: 0.9rem;
}

.pill-list li {
    display: inline-flex;
    align-items: center;
    margin: 0.35rem 0.35rem 0 0;
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-pill);
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.6);
    font-size: 0.82rem;
}

.section-light .pill-list li {
    background: rgba(255, 255, 255, 0.9);
}

.steps {
    display: grid;
    gap: 1.4rem;
}

.step h3 {
    margin-bottom: 0.25rem;
}

.step p {
    font-size: 0.95rem;
}

.tech-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.tech-columns h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

.tech-columns ul {
    list-style: none;
}

.tech-columns li {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.section-light .tech-columns li {
    color: #4b5563;
}

.section-contact {
    background: radial-gradient(circle at top left, #1f4b96 0, #050816 56%, #02030a 100%);
}

.contact-details ul {
    list-style: none;
    margin-top: 0.75rem;
}

.contact-details li {
    margin-bottom: 0.4rem;
}

.contact-details a {
    color: var(--accent-soft);
}

.contact-details a:hover {
    color: var(--accent);
}

.site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    padding: 1.2rem 0 1.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(3, 8, 26, 0.96);
}

.site-footer p {
    text-align: center;
}

/* Dreamy clouds in hero */
.hero-cloud {
    position: absolute;
    width: 320px;
    height: 120px;
    background: radial-gradient(circle at 20% 40%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0));
    filter: blur(6px);
    opacity: 0.24;
    pointer-events: none;
}

.hero-cloud--left {
    top: 3.5rem;
    left: -6rem;
}

.hero-cloud--right {
    top: 1rem;
    right: -4rem;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 420ms ease-out, transform 420ms ease-out;
}

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

/* Typography */

h1, h2, h3 {
    font-weight: 600;
}

h2 {
    font-size: 1.9rem;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.6;
}

/* Responsive */

@media (max-width: 900px) {
    .two-col {
        grid-template-columns: minmax(0, 1fr);
    }

    .tech-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .main-nav {
        flex-wrap: wrap;
        gap: 0.9rem;
        font-size: 0.85rem;
    }

    .hero {
        padding-top: 4.2rem;
    }

    .cards-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .tech-columns {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}