:root {
    --navy: #082a62;
    --blue: #087bc1;
    --aqua: #28b8d7;
    --teal: #087f82;
    --ink: #10223f;
    --muted: #5d6b7f;
    --soft: #f3f9fc;
    --gold: #e8a629;
    --white: #fff
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Inter,Arial,sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.65
}

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

.header {
    height: 94px;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 10px 5vw;
    position: sticky;
    top: 0;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    z-index: 20;
    border-bottom: 1px solid #e8eef3
}

.brand img {
    width: 270px;
    display: block
}

.header nav {
    margin-left: auto;
    display: flex;
    gap: 26px;
    font-size: 14px;
    font-weight: 600
}

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

.menu {
    display: none;
    background: none;
    border: 0;
    font-size: 26px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 999px;
    background: linear-gradient(120deg,var(--blue),var(--navy));
    color: white;
    font-weight: 700;
    border: 0;
    cursor: pointer;
    box-shadow: 0 10px 24px #0b4e8a26
}

.btn.small {
    padding: 11px 20px;
    white-space: nowrap
}

.btn.ghost {
    background: white;
    color: var(--navy);
    border: 1px solid var(--navy);
    box-shadow: none
}

.hero {
 
    position: relative;
    overflow: hidden;
    padding: 100px 8vw 120px;
    background: radial-gradient(circle at 82% 42%,#c6f4ff 0,transparent 28%),linear-gradient(120deg,#fff 15%,#effaff 56%,#dff5ff 100%)
}

.hero:before {
    content: "";
    position: absolute;
    inset: auto -10% -36% -10%;
    height: 65%;
    background: radial-gradient(ellipse,#0f9edc44 0,#0f9edc10 45%,transparent 70%);
    border-radius: 50%
}

.hero-copy {
    width: min(720px,52%);
    position: relative;
    z-index: 2
}

.eyebrow {
    font-size: 12px;
    letter-spacing: .2em;
    font-weight: 800;
    color: var(--blue)
}

h1,h2 {
    font-family: "Playfair Display",serif;
    line-height: 1.08;
    margin: .15em 0 .45em
}

h1 {
    font-size: clamp(44px,5vw,76px);
    color: #0a2b64
}

h1 span {
    color: var(--teal)
}

h2 {
    font-size: clamp(36px,4vw,58px);
    color: var(--navy)
}

h3 {
    font-size: 25px;
    margin: .3em 0
}

.hero-copy>p:not(.eyebrow) {
    font-size: 19px;
    max-width: 650px;
    color: #42546b
}

.actions {
    display: flex;
    gap: 14px;
    margin-top: 30px
}

.hero-product {
    position: absolute;
    right: 4vw;
    top: 90px;
    width: 42%;
    z-index: 2;
    text-align: center
}

.hero-product img {
    width: 100%;
    max-height: 560px;
    object-fit: contain;
    filter: drop-shadow(0 28px 30px #0a3a6a33)
}

.glow {
    position: absolute;
    width: 70%;
    aspect-ratio: 1;
    right: 7%;
    top: 15%;
    border-radius: 50%;
    background: #3bc8f833;
    filter: blur(40px);
    z-index: -1
}

.glass {
    position: absolute;
    left: 2%;
    bottom: 14%;
    font-family: "Playfair Display";
    font-size: 30px;
    color: #119bd0;
    border: 2px solid #a4e5f3;
    padding: 30px 15px 10px;
    border-radius: 8px;
    background: #ffffff99
}

.hero-points {
    position: absolute;
    bottom: 34px;
    left: 7vw;
    right: 7vw;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 18px;
    padding: 22px 28px;
    border-radius: 18px;
    background: #083b70e8;
    color: white;
    backdrop-filter: blur(10px)
}

.hero-points div {
    display: flex;
    gap: 12px;
    align-items: center
}

.hero-points span {
    font-size: 13px
}

.hero-points b {
    display: block
}

.section {
    padding: 100px 8vw
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start
}

.lead {
    font-size: 20px;
    color: #30465f
}

.soft {
    background: var(--soft)
}

.center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 55px
}

.cards {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 18px
}

.cards article {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 12px 35px #0c45680c
}

.cards article span {
    font-size: 12px;
    color: var(--blue);
    font-weight: 800
}

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

.product-img {
    border-radius: 40px;
    background: radial-gradient(circle,#e5fbff,#edf5f8);
    padding: 35px;
    text-align: center
}

.product-img img {
    max-width: 100%;
    max-height: 620px;
    object-fit: contain
}

.specs {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 12px;
    margin: 30px 0
}

.specs div {
    padding: 20px;
    background: #f4f9fb;
    border-radius: 14px
}

.specs b {
    display: block;
    color: var(--blue);
    font-size: 24px
}

.specs span {
    font-size: 13px;
    color: var(--muted)
}

.note {
    font-size: 12px;
    color: #738096
}

.dark {
    background: linear-gradient(140deg,#061a38,#073d68);
    color: white
}

.dark h2,.dark .eyebrow {
    color: white
}

.portfolio {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1050px;
    margin: auto
}

.portfolio article {
    padding: 45px;
    border: 1px solid #ffffff24;
    border-radius: 28px;
    background: #ffffff0b
}

.portfolio h3 {
    font-size: 38px
}

.portfolio a {
    color: #72dcff;
    font-weight: 700
}

.drop {
    width: 72px;
    height: 82px;
    border-radius: 55% 55% 60% 60%/65% 65% 40% 40%;
    display: grid;
    place-items: center;
    background: linear-gradient(#4bd7f2,#0877c3);
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 25px
}

.vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px
}

.vision-grid p {
    margin: 0;
    padding: 25px;
    border-left: 3px solid var(--aqua);
    background: #f6fafc;
    font-weight: 700
}

.impact {
    min-height: 520px;
    background: linear-gradient(#052a5cbf,#052a5cbf),url('assets/hero-concept.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    padding: 70px 8vw;
    color: white
}

.impact .overlay {
    max-width: 680px
}

.impact h2,.impact .eyebrow {
    color: white
}

.impact p {
    font-size: 18px
}

.btn.light {
    background: white;
    color: var(--navy)
}

.contact {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 80px;
    background: #f7fbfd
}

.contact-note {
    margin-top: 35px;
    font-weight: 800;
    color: var(--navy)
}

form {
    background: white;
    padding: 35px;
    border-radius: 22px;
    box-shadow: 0 15px 50px #0b456612
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px
}

input,select,textarea {
    width: 100%;
    padding: 15px 16px;
    border: 1px solid #dce6ed;
    border-radius: 10px;
    margin-bottom: 14px;
    font: inherit;
    outline: none
}

input:focus,select:focus,textarea:focus {
    border-color: var(--blue)
}

footer {
    padding: 35px 8vw;
    display: flex;
    align-items: center;
    gap: 30px;
    border-top: 1px solid #e5edf2;
    font-size: 13px
}

footer img {
    width: 180px
}

footer p {
    margin: auto
}

footer div {
    display: flex;
    gap: 18px
}

@media(max-width: 1050px) {
    .header nav {
        display:none
    }

    .header .menu {
        display: block;
        margin-left: auto
    }

    .header.open nav {
        display: flex;
        position: absolute;
        top: 94px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: 25px 8vw;
        border-bottom: 1px solid #ddd
    }

    .hero {
        padding-top: 70px
    }

    .hero-copy {
        width: 100%;
        max-width: 720px
    }

    .hero-product {
        position: relative;
        right: auto;
        top: auto;
        width: 75%;
        margin: 35px auto 80px
    }

    .hero-points {
        grid-template-columns: 1fr 1fr
    }

    .cards {
        grid-template-columns: 1fr 1fr
    }

    .product,.split,.vision,.contact {
        grid-template-columns: 1fr
    }

    .header>.btn {
        display: none
    }
}

@media(max-width: 650px) {
    .header {
        height:78px
    }

    .brand img {
        width: 205px
    }

    .header.open nav {
        top: 78px
    }

    .hero {
        padding: 60px 6vw 180px
    }

    .hero-product {
        width: 100%
    }

    .actions {
        flex-direction: column;
        align-items: stretch
    }

    .hero-points {
        left: 5vw;
        right: 5vw;
        grid-template-columns: 1fr;
        bottom: 24px
    }

    .section {
        padding: 70px 6vw
    }

    .cards,.portfolio,.specs,.vision-grid,.row {
        grid-template-columns: 1fr
    }

    .portfolio article {
        padding: 30px
    }

    .contact {
        gap: 35px
    }

    footer {
        flex-direction: column;
        text-align: center
    }

    footer p {
        margin: 0
    }
}