/* ---------- Colors and general settings ---------- */

:root {
    --dark: #101f2b;
    --darker: #09141b;
    --blue: #0b63f6;
    --blue-dark: #0747ae;
    --light-blue: #39d5ff;
    --background: #f4f7f8;
    --white: #ffffff;
    --text: #0d1820;
    --muted-text: #52616c;
    --border: #dce5ea;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background-color: var(--background);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.1;
}

a {
    color: inherit;
}


/* ---------- Navigation ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;

    padding: 18px 6%;

    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
}

.business-name {
    color: var(--dark);
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
}

nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

nav a {
    font-weight: bold;
    text-decoration: none;
}

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

.contact-button {
    padding: 10px 18px;
    color: var(--white);
    background-color: var(--dark);
    border-radius: 8px;
}

nav .contact-button:hover {
    color: var(--white);
    background-color: var(--blue);
}


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

.hero {
    display: flex;
    align-items: center;

    min-height: 650px;
    padding: 90px 8%;

    background:
        radial-gradient(
            circle at 85% 20%,
            rgba(57, 213, 255, 0.25),
            transparent 350px
        ),
        linear-gradient(
            135deg,
            #ffffff 0%,
            #eaf5fa 100%
        );
}

.hero-content {
    max-width: 850px;
}

.eyebrow {
    margin-bottom: 12px;
    color: var(--blue-dark);
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 800px;
    margin-bottom: 25px;
    font-size: clamp(48px, 7vw, 88px);
    letter-spacing: -4px;
}

.hero-description {
    max-width: 700px;
    margin-bottom: 30px;
    color: var(--muted-text);
    font-size: 21px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.primary-button,
.secondary-button {
    display: inline-block;
    padding: 14px 22px;

    border-radius: 9px;

    font-weight: bold;
    text-decoration: none;
}

.primary-button {
    color: var(--white);
    background-color: var(--blue);
    box-shadow: 0 10px 25px rgba(11, 99, 246, 0.25);
}

.primary-button:hover {
    background-color: var(--blue-dark);
}

.secondary-button {
    background-color: var(--white);
    border: 1px solid var(--border);
}

.secondary-button:hover {
    border-color: var(--blue);
}

.service-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 28px;

    margin: 35px 0 0;
    padding: 0;

    color: var(--muted-text);
    list-style: none;
}

.service-options li::before {
    content: "✓";
    margin-right: 8px;
    color: var(--blue);
    font-weight: bold;
}


/* ---------- Section headings ---------- */

.services,
.process,
.contact {
    padding: 100px 8%;
}

.section-heading {
    max-width: 750px;
    margin-bottom: 45px;
}

.section-heading h2,
.contact h2 {
    margin-bottom: 18px;
    font-size: clamp(36px, 5vw, 58px);
    letter-spacing: -2px;
}

.section-heading > p:last-child,
.contact > div > p:last-child {
    color: var(--muted-text);
    font-size: 18px;
}


/* ---------- Services ---------- */

.services {
    background-color: var(--background);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    min-height: 280px;
    padding: 30px;

    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(13, 24, 32, 0.12);
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 24px;
}

.service-card p {
    color: var(--muted-text);
}


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

.process {
    color: var(--white);
    background-color: var(--dark);
}

.process .eyebrow {
    color: var(--light-blue);
}

.process-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;

    margin: 0;
    padding: 0;

    list-style-position: inside;
}

.process-list li {
    padding: 30px;

    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
}

.process-list li::marker {
    color: var(--light-blue);
    font-size: 20px;
    font-weight: bold;
}

.process-list h3 {
    display: inline;
    font-size: 22px;
}

.process-list p {
    margin-top: 18px;
    color: #b7c8d2;
}


/* ---------- Contact section ---------- */

.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 70px;

    background-color: var(--white);
}

.contact-box {
    padding: 35px;

    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.contact-box .primary-button {
    display: block;
    margin-top: 20px;
    text-align: center;
}


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

footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;

    padding: 25px 8%;

    color: #b7c8d2;
    background-color: var(--darker);
}

footer p {
    margin: 0;
}


/* ---------- Tablet and phone layout ---------- */

@media (max-width: 900px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-list {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 600px) {
    .site-header {
        padding: 15px 20px;
    }

    nav a:not(.contact-button) {
        display: none;
    }

    .business-name {
        max-width: 150px;
        line-height: 1.2;
    }

    .hero {
        min-height: 570px;
        padding: 70px 24px;
    }

    .hero h1 {
        font-size: 48px;
        letter-spacing: -2px;
    }

    .services,
    .process,
    .contact {
        padding: 70px 24px;
    }

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

    .service-card {
        min-height: auto;
    }

    footer {
        flex-direction: column;
        padding: 25px 24px;
    }
}