:root {
    --background: #f7f9fc;
    --surface: #ffffff;
    --surface-soft: #f1f5fb;

    --text: #101828;
    --text-secondary: #667085;

    --blue: #087cf0;
    --blue-dark: #005fc4;
    --blue-soft: #eaf4ff;

    --border: #e4e9f0;

    --radius: 22px;
    --shadow:
        0 30px 70px rgba(15, 34, 58, 0.12),
        0 8px 24px rgba(15, 34, 58, 0.06);

    --max-width: 1180px;
}


/* RESET */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Display",
        "Segoe UI",
        sans-serif;

    color: var(--text);
    background: var(--background);

    -webkit-font-smoothing: antialiased;
}


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


.container {
    width: min(calc(100% - 40px), var(--max-width));
    margin: 0 auto;
}

.narrow {
    max-width: 850px;
}


/* HEADER */

.site-header {
    position: absolute;
    width: 100%;
    top: 0;

    z-index: 20;

    padding: 24px 0;
}

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


.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}


.brand-icon {
    width: 42px;
    height: 42px;

    border-radius: 12px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: white;

    font-size: 13px;
    font-weight: 800;
    letter-spacing: -0.4px;

    background:
        linear-gradient(
            145deg,
            #1593ff,
            #0067df
        );

    box-shadow:
        0 8px 18px rgba(0, 112, 235, 0.25);
}


.brand-icon.small {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    font-size: 11px;
}


.brand-name {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.35px;
}


nav {
    display: flex;
    align-items: center;
    gap: 28px;

    font-size: 14px;
    font-weight: 600;
}


nav a {
    color: #475467;
    transition: color .2s ease;
}


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


.nav-contact {
    padding: 10px 17px;

    border: 1px solid rgba(16, 24, 40, .1);
    border-radius: 100px;

    background: rgba(255,255,255,.6);
    backdrop-filter: blur(12px);
}


/* HERO */

.hero {
    min-height: 850px;

    position: relative;
    overflow: hidden;

    display: flex;
    align-items: center;

    padding: 150px 0 90px;

    background:
        linear-gradient(
            180deg,
            #f7fbff 0%,
            #f6f8fc 100%
        );
}


.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
}


.hero-glow-one {
    width: 600px;
    height: 600px;

    right: -140px;
    top: -100px;

    background: rgba(61, 160, 255, .14);
}


.hero-glow-two {
    width: 500px;
    height: 500px;

    left: -300px;
    bottom: -200px;

    background: rgba(87, 120, 255, .08);
}


.hero-content {
    display: grid;
    grid-template-columns: 1.05fr .95fr;

    gap: 90px;
    align-items: center;

    position: relative;
    z-index: 2;
}


.eyebrow,
.section-label {
    display: inline-block;

    font-size: 13px;
    font-weight: 700;

    letter-spacing: .08em;
    text-transform: uppercase;

    color: var(--blue);

    margin-bottom: 20px;
}


.hero h1 {
    font-size: clamp(55px, 7vw, 84px);

    line-height: .98;

    letter-spacing: -0.055em;

    margin: 0 0 30px;

    max-width: 730px;
}


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


.hero-description {
    max-width: 640px;

    font-size: 20px;
    line-height: 1.65;

    color: var(--text-secondary);

    margin: 0 0 34px;
}


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


.button {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-height: 50px;

    padding: 0 22px;

    border-radius: 13px;

    font-size: 15px;
    font-weight: 650;

    transition:
        transform .18s ease,
        box-shadow .18s ease;
}


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


.button-primary {
    color: white;

    background: var(--blue);

    box-shadow:
        0 12px 25px rgba(8, 124, 240, .24);
}


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


.button-secondary {
    background: white;

    border: 1px solid var(--border);

    color: #344054;
}


.launch-note {
    margin-top: 19px;

    font-size: 13px;

    color: #98a2b3;
}


/* APP MOCKUP */

.hero-visual {
    display: flex;
    justify-content: center;

    perspective: 1200px;
}


.app-window {
    width: min(100%, 410px);

    padding: 25px;

    border-radius: 34px;

    background:
        rgba(255,255,255,.88);

    border:
        1px solid rgba(255,255,255,.8);

    backdrop-filter: blur(22px);

    box-shadow: var(--shadow);

    transform:
        rotateY(-5deg)
        rotateX(2deg);
}


.app-top {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-bottom: 17px;
}


.app-small-label {
    font-size: 10px;

    font-weight: 700;

    color: #98a2b3;

    letter-spacing: .08em;
}


.app-top h3 {
    margin: 5px 0 0;
    font-size: 23px;
    letter-spacing: -.5px;
}


.aircraft-symbol {
    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 15px;

    color: var(--blue);

    font-size: 22px;

    background: var(--blue-soft);
}


.app-progress {
    height: 5px;
    width: 100%;

    background: #e9eef5;

    border-radius: 20px;

    overflow: hidden;

    margin-bottom: 25px;
}


.app-progress-value {
    width: 42%;
    height: 100%;

    background: var(--blue);
}


.mock-card {
    display: grid;

    grid-template-columns:
        auto 1fr auto;

    gap: 15px;

    align-items: center;

    background: #f6f8fb;

    padding: 16px;

    border-radius: 17px;

    margin-bottom: 28px;
}


.mock-card span {
    display: block;

    font-size: 12px;

    color: #98a2b3;

    margin-bottom: 3px;
}


.mock-card strong {
    font-size: 15px;
}


.arrow {
    font-size: 27px !important;
    color: #98a2b3 !important;
}


.mock-section-title {
    font-size: 13px;
    font-weight: 700;

    margin-bottom: 12px;
}


.mock-grid {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 10px;
}


.mock-tile {
    padding: 15px;

    border:
        1px solid #edf0f5;

    border-radius: 16px;

    background: white;

    display: flex;
    align-items: center;

    gap: 11px;

    font-size: 13px;
    font-weight: 600;
}


.mock-icon {
    width: 34px;
    height: 34px;

    border-radius: 10px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-weight: 700;
}


.mock-icon.blue {
    color: #147bef;
    background: #eaf4ff;
}


.mock-icon.cyan {
    color: #0795a5;
    background: #e7f9fb;
}


.mock-icon.amber {
    color: #b77900;
    background: #fff6d8;
}


.mock-icon.green {
    color: #14804a;
    background: #e8f8ef;
}


.mock-icon.purple {
    color: #7148db;
    background: #f1ecff;
}


/* INTRO */

.intro-section {
    padding: 130px 0;
    background: white;
}


.intro-section h2,
.section-heading h2,
.modular-copy h2,
.cta-card h2 {
    margin:
        0 0 28px;

    font-size:
        clamp(38px, 5vw, 58px);

    letter-spacing:
        -0.045em;

    line-height:
        1.08;
}


.intro-section p {
    font-size: 20px;

    line-height: 1.75;

    color: var(--text-secondary);

    max-width: 790px;
}


/* FEATURES */

.features-section {
    padding: 0 0 130px;

    background: white;
}


.features-grid {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 18px;
}


.feature-card {
    min-height: 275px;

    padding: 34px;

    border-radius: var(--radius);

    border: 1px solid var(--border);

    background: var(--surface);

    transition:
        transform .2s ease,
        box-shadow .2s ease;
}


.feature-card:hover {
    transform: translateY(-4px);

    box-shadow:
        0 20px 50px rgba(21, 39, 63, .08);
}


.feature-number {
    font-size: 12px;

    font-weight: 700;

    color: var(--blue);

    margin-bottom: 55px;
}


.feature-card h3 {
    margin: 0 0 12px;

    font-size: 24px;

    letter-spacing: -.03em;
}


.feature-card p {
    margin: 0;

    color: var(--text-secondary);

    line-height: 1.7;
}


/* ORGANISATIONS */

.organisations-section {
    padding: 130px 0;

    background:
        #f3f6fa;
}


.section-heading {
    max-width: 780px;
    margin-bottom: 65px;
}


.section-heading p {
    font-size: 19px;

    color: var(--text-secondary);
}


.organisation-grid {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 18px;
}


.organisation-item {
    display: grid;

    grid-template-columns:
        auto 1fr;

    gap: 20px;

    padding: 27px;

    background: white;

    border-radius: 19px;

    border: 1px solid var(--border);
}


.organisation-icon {
    width: 45px;
    height: 45px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 13px;

    background: var(--blue-soft);
    color: var(--blue);

    font-size: 20px;
}


.organisation-item h3 {
    margin: 3px 0 8px;

    font-size: 19px;
}


.organisation-item p {
    margin: 0;

    line-height: 1.65;

    color: var(--text-secondary);

    font-size: 14px;
}


/* MODULAR */

.modular-section {
    padding: 150px 0;

    background: #0d1726;

    color: white;
}


.modular-layout {
    display: grid;

    grid-template-columns:
        1fr 1fr;

    align-items: center;

    gap: 100px;
}


.modular-copy p {
    font-size: 18px;

    line-height: 1.75;

    color: #aeb9c7;
}


.module-stack {
    position: relative;

    min-height: 360px;
}


.module-card {
    position: absolute;

    width: 84%;

    padding: 29px;

    border-radius: 20px;

    background:
        rgba(255,255,255,.08);

    border:
        1px solid rgba(255,255,255,.12);

    backdrop-filter:
        blur(15px);

    box-shadow:
        0 20px 50px rgba(0,0,0,.18);
}


.module-card span {
    display: block;

    margin-bottom: 8px;

    color: #91a2b6;

    font-size: 10px;

    font-weight: 700;

    letter-spacing: .1em;
}


.module-card strong {
    font-size: 22px;
}


.module-one {
    top: 0;
    right: 0;
}


.module-two {
    top: 115px;
    left: 4%;
}


.module-three {
    top: 230px;
    right: 5%;

    background:
        linear-gradient(
            140deg,
            rgba(20,130,255,.35),
            rgba(46,91,255,.18)
        );
}


/* CTA */

.cta-section {
    padding: 120px 0;

    background: white;
}


.cta-card {
    display: grid;

    grid-template-columns:
        1fr auto;

    gap: 60px;

    align-items: center;

    padding: 65px;

    border-radius: 30px;

    color: white;

    background:
        linear-gradient(
            125deg,
            #0578ef,
            #135dcc
        );

    box-shadow:
        0 25px 60px rgba(5, 102, 220, .22);
}


.section-label.light {
    color: rgba(255,255,255,.7);
}


.cta-card h2 {
    max-width: 750px;
}


.cta-card p {
    max-width: 650px;

    margin: 0;

    line-height: 1.65;

    color:
        rgba(255,255,255,.76);
}


.button-light {
    color: #075fc3;

    background: white;

    white-space: nowrap;

    box-shadow:
        0 10px 30px rgba(0,0,0,.12);
}


/* FOOTER */

footer {
    background: white;

    border-top:
        1px solid var(--border);

    padding: 35px 0;
}


.footer-inner {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 30px;
}


footer p {
    font-size: 13px;

    color: #98a2b3;
}


/* RESPONSIVE */

@media (max-width: 900px) {

    .hero {
        padding-top: 140px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 70px;
    }

    .hero-copy {
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .app-window {
        transform: none;
    }

    .modular-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .cta-card {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 680px) {

    .container {
        width: min(calc(100% - 28px), var(--max-width));
    }

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

    .brand-name {
        font-size: 15px;
    }

    .hero {
        min-height: auto;
        padding-bottom: 80px;
    }

    .hero h1 {
        font-size: 53px;
    }

    .hero-description {
        font-size: 17px;
    }

    .features-grid,
    .organisation-grid {
        grid-template-columns: 1fr;
    }

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

    .feature-number {
        margin-bottom: 35px;
    }

    .intro-section,
    .organisations-section,
    .modular-section {
        padding: 90px 0;
    }

    .module-stack {
        min-height: 330px;
    }

    .module-card {
        width: 94%;
    }

    .cta-card {
        padding: 38px 28px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

}