@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Manrope:wght@600;700;800&display=swap'); :root {
    --b: #087cc1;
    --c: #19b8e8;
    --n: #071d32;
    --n2: #0b2b4c;
    --i: #101820;
    --p: #f4fbfe;
    --w: #fff;
    --m: #657582;
    --line: rgba(8,43,76,.12);
    --shadow: 0 24px 70px rgba(4,36,61,.13);
    --max: 1240px
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--i);
    font-family: Inter,sans-serif;
    background: #fff;
    overflow-x: hidden
}

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

button,input,select,textarea {
    font: inherit
}

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

.container {
    width: min(var(--max),92%);
    margin: auto
}

.topline {
    height: 34px;
    background: var(--n);
    color: #d9edf8;
    font-size: 12px
}

.topline .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.topline span {
    opacity: .85
}

.header {
    height: 100px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgb(255 255 255);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(8,43,76,.08);
    transition: .35s
}

.header.scrolled {
    height: 70px;
    box-shadow: 0 14px 45px rgba(7,29,50,.10)
}

.nav {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px
}

.logo img {
    width: 95px;
}

.navlinks {
    display: flex;
    align-items: center;
    gap: 25px;
    font-size: 13px;
    font-weight: 800
}

.navlinks>a,.dropbtn {
    position: relative;
    padding: 28px 0;
    border: 0;
    background: none;
    cursor: pointer
}

.navlinks>a:after,.dropbtn:after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 20px;
    height: 2px;
    background: linear-gradient(90deg,var(--b),var(--c));
    transition: .25s
}

.navlinks>a:hover:after,.dropbtn:hover:after {
    right: 0
}

.drop {
    position: relative
}

.dropmenu {
    position: absolute;
    top: 68px;
    left: -18px;
    width: 270px;
    background: #fff;
    border: 1px solid var(--line);
    padding: 10px;
    border-radius: 18px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(.98);
    transition: .25s
}

.drop:hover .dropmenu,.drop.open .dropmenu {
    opacity: 1;
    visibility: visible;
    transform: none
}

.dropmenu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    font-size: 13px
}

.dropmenu a:hover {
    background: var(--p);
    color: var(--b)
}

.dropmenu b {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: #eaf8fd;
    display: grid;
    place-items: center
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 21px;
    border-radius: 13px;
    font-weight: 800;
    font-size: 13px;
    border: 1px solid transparent;
    transition: .3s;
    cursor: pointer
}

.primary {
    color: #fff;
    background: linear-gradient(110deg,var(--b),var(--c));
    box-shadow: 0 12px 28px rgba(8,124,193,.25)
}

.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 34px rgba(8,124,193,.32)
}

.outline {
    color: var(--b);
    background: #fff;
    border-color: rgba(8,124,193,.35)
}

.outline:hover {
    background: var(--p);
    transform: translateY(-3px)
}

.hamb {
    display: none;
    border: 0;
    background: none;
    font-size: 28px;
    color: var(--n)
}

.hero {
    min-height: calc(100vh - 120px);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #061b2d;
    color: #fff
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,rgba(3,20,35,.96) 0%,rgba(4,47,76,.88) 43%,rgba(8,124,193,.28) 100%),url('../assets/bannerhome.jpg') center/cover;
    transform: scale(1.04);
    animation: heroZoom 14s ease-in-out infinite alternate
}

@keyframes heroZoom {
    to {
        transform: scale(1.11)
    }
}

.hero:before {
    content: "";
    position: absolute;
    width: 650px;
    height: 650px;
    border: 1px solid rgba(25,184,232,.18);
    border-radius: 50%;
    right: -230px;
    top: -190px;
    box-shadow: 0 0 0 70px rgba(25,184,232,.025),0 0 0 140px rgba(25,184,232,.018);
    animation: spin 28s linear infinite
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.wave {
    position: absolute;
    right: -7%;
    bottom: -9%;
    width: 70%;
    height: 240px;
    border: 2px solid rgba(25,184,232,.28);
    border-left: 0;
    border-right: 0;
    border-radius: 50%;
    transform: rotate(-7deg);
    animation: floatWave 7s ease-in-out infinite
}

.wave.w2 {
    bottom: 0;
    right: -4%;
    opacity: .35;
    animation-delay: -2s
}

.wave.w3 {
    bottom: 10%;
    right: 3%;
    opacity: .18;
    animation-delay: -4s
}

@keyframes floatWave {
    50% {
        transform: rotate(-7deg) translateY(-15px)
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    width: min(780px,100%);
    padding: 90px 0
}

.kicker {
    font-size: 12px;
    letter-spacing: .18em;
    text-transform: uppercase;
    font-weight: 800;
    color: #bdefff;
    display: flex;
    align-items: center;
    gap: 10px
}

.kicker:before {
    content: "";
    width: 38px;
    height: 2px;
    background: var(--c)
}

h1,h2,h3 {
    font-family: Manrope,sans-serif;
    line-height: 1.08
}

h1 {
    font-size: clamp(48px,7vw,84px);
    letter-spacing: -.055em;
    margin: 18px 0
}

h2 {
    font-size: clamp(32px,4.5vw,54px);
    letter-spacing: -.045em;
    margin: 0 0 18px
}

h3 {
    font-size: 20px;
    margin: 0 0 10px
}

.hero p {
    font-size: 18px;
    line-height: 1.8;
    color: #d8edf7;
    max-width: 680px
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 28px 0
}

.hero .outline {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.35);
    color: #fff
}

.hero-note {
    font-size: 12px;
    color: #b8d2df
}

.scrollline {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    letter-spacing: .18em;
    color: #b8d2df;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px
}

.scrollline i {
    width: 1px;
    height: 40px;
    background: linear-gradient(#fff,transparent);
    animation: scroll 1.6s infinite
}

@keyframes scroll {
    50% {
        height: 25px;
        opacity: .45
    }
}

.section {
    padding: 110px 0
}

.section.alt {
    background: var(--p)
}

.section.dark {
    background: var(--i);
    color: #fff
}

.section-head {
    max-width: 760px;
    margin-bottom: 48px
}

.section-head p {
    color: var(--m);
    font-size: 16px
}

.dark .section-head p {
    color: #b7c6cf
}

.eyebrow {
    color: var(--b);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .18em;
    font-weight: 900;
    margin-bottom: 13px;
    display: block
}

.stats {
    margin-top: -48px;
    position: relative;
    z-index: 5
}

.statbar {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: repeat(4,1fr);
    overflow: hidden
}

.stat {
    padding: 25px;
    text-align: center;
    border-right: 1px solid var(--line)
}

.stat:last-child {
    border: 0
}

.stat strong {
    font-family: Manrope;
    font-size: 25px;
    color: var(--n)
}

.stat span {
    display: block;
    font-size: 12px;
    color: var(--m);
    margin-top: 4px
}

.grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center
}

.about-visual {
    height: 560px;
    border-radius: 34px;
    background: linear-gradient(130deg,rgba(8,124,193,.08),rgba(25,184,232,.02)),url('../assets/aboutus.webp') center/cover;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden
}

.about-visual:after {
    content: "AIRVON";
    position: absolute;
    bottom: -35px;
    right: -10px;
    font-size: 130px;
    font-family: Manrope;
    font-weight: 900;
    color: rgba(255,255,255,.12)
}

.bullet {
    display: flex;
    gap: 12px;
    margin: 17px 0;
    align-items: flex-start
}

.bullet b {
    width: 29px;
    height: 29px;
    border-radius: 50%;
    background: #e6f8fd;
    color: var(--b);
    display: grid;
    place-items: center;
    flex: none;
    font-size: 12px
}

.products {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 24px
}

.pcard {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 25px;
    overflow: hidden;
    position: relative;
    transition: .4s;
    box-shadow: 0 8px 35px rgba(7,29,50,.04)
}

.pcard:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow)
}

.pimg {
    height: 285px;
    overflow: hidden;
    position: relative;
    background: #eaf7fc
}

.pimg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .65s
}

.pcard:hover .pimg img {
    transform: scale(1.08)
}

.tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(8px);
    color: var(--b);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 7px 10px;
    border-radius: 20px
}

.pbody {
    padding: 24px
}

.pbody p {
    color: var(--m);
    font-size: 14px
}

.plink {
    font-weight: 800;
    color: var(--b);
    font-size: 13px;
    display: inline-flex;
    gap: 8px;
    align-items: center
}

.plink span {
    transition: .25s
}

.pcard:hover .plink span {
    transform: translateX(5px)
}

.marquee {
    overflow: hidden;
    background: var(--n);
    color: #fff;
    padding: 16px 0;
    border-block:1px solid rgba(255,255,255,.08)}

.track {
    display: flex;
    width: max-content;
    animation: marquee 24s linear infinite
}

.track span {
    font-size: 12px;
    letter-spacing: .14em;
    text-transform: uppercase;
    font-weight: 800;
    padding: 0 28px;
    color: #b9e8f8
}

.track i {
    color: var(--c);
    font-style: normal
}

@keyframes marquee {
    to {
        transform: translateX(-50%)
    }
}

.manufacture {
    position: relative;
    border-radius: 34px;
    overflow: hidden;
    min-height: 580px;
    background: linear-gradient(90deg,rgba(3,20,35,.94),rgba(5,53,83,.7),rgba(5,53,83,.1)),url('../assets/home.jpg') center/cover;
    display: flex;
    align-items: center
}

.manufacture-content {
    padding: 65px;
    max-width: 690px;
    color: #fff
}

.manufacture p {
    color: #d4e7ef
}

.mini-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 13px;
    margin-top: 28px
}

.mini {
    padding: 17px;
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(10px);
    border-radius: 15px
}

.mini b {
    display: block;
    font-size: 14px
}

.mini span {
    font-size: 12px;
    color: #b8d1dc
}

.cards6 {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 18px
}

.whycard {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    transition: .3s
}

.whycard:hover {
    border-color: rgba(8,124,193,.3);
    transform: translateY(-6px);
    box-shadow: var(--shadow)
}

.number {
    font-family: Manrope;
    color: #b5e9f8;
    font-size: 44px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 25px
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 18px
}

.app {
    height: 260px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: end
}

.app:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 30%,rgba(0,0,0,.78))
}

.app span {
    position: relative;
    z-index: 1;
    color: #fff;
    padding: 22px;
    font-family: Manrope;
    font-size: 21px;
    font-weight: 800
}

.quality {
    border-radius: 35px;
    background: linear-gradient(125deg,#061522,#0a4770);
    padding: 60px;
    color: #fff;
    position: relative;
    overflow: hidden
}

.quality:after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border: 70px solid rgba(25,184,232,.08);
    border-radius: 50%;
    right: -120px;
    top: -120px
}

.quality-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 20px
}

.quality-item {
    padding: 22px;
    border-left: 1px solid rgba(255,255,255,.18)
}

.quality-item strong {
    font-family: Manrope;
    font-size: 30px;
    color: #7cdbf6
}

.quality-item p {
    color: #c2d6df;
    font-size: 13px
}

.faq {
    max-width: 900px
}

.faq details {
    border-bottom: 1px solid var(--line);
    padding: 21px 0
}

.faq summary {
    font-weight: 800;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between
}

.faq summary:after {
    content: "+";
    color: var(--b);
    font-size: 22px
}

.faq details[open] summary:after {
    content: "−"
}

.faq p {
    color: var(--m);
    font-size: 14px;
    max-width: 780px
}

.cta {
    padding: 85px 0;
    background: linear-gradient(115deg,var(--n),#075e91);
    color: #fff;
    position: relative;
    overflow: hidden
}

.cta:after {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    border: 1px solid rgba(25,184,232,.2);
    right: -180px;
    top: -200px
}

.cta-in {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px
}

.cta p {
    color: #cce1ea
}

.cta h2 {
    max-width: 750px
}

.footer {
    background: #06111b;
    color: #b7c8d2;
    padding: 75px 0 20px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 45px
}

.footer img {
    width: 185px;
    background: #fff;
    border-radius: 10px;
    padding: 7px;
    margin-bottom: 15px
}

.footer h4 {
    color: #fff;
    margin: 0 0 15px
}

.footer a {
    display: block;
    font-size: 13px;
    margin: 9px 0
}

.footer a:hover {
    color: #fff
}

.copy {
    border-top: 1px solid rgba(255,255,255,.1);
    margin-top: 45px;
    padding-top: 18px;
    font-size: 12px
}

.floating {
    position: fixed;
    right: 18px;
    bottom: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px
}

.float {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 900;
    box-shadow: 0 12px 30px rgba(0,0,0,.2);
    transition: .3s
}

.float:hover {
    transform: scale(1.08)
}

.wa {
    background: #17a66a
}

.call {
    background: var(--b)
}

.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)
}

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

.delay1 {
    transition-delay: .1s
}

.delay2 {
    transition-delay: .2s
}

.delay3 {
    transition-delay: .3s
}

.pagehero {
    padding: 105px 0;
    background: radial-gradient(circle at 85% 20%, rgb(25 184 232 / 31%), transparent 32%), linear-gradient(120deg, #eefaff, #c0ecf9);
}

.pagehero h1 {
    font-size: clamp(44px,6vw,72px)
}

.crumb {
    font-size: 12px;
    color: var(--m);
    margin-bottom: 22px
}

.product-detail {
    padding: 95px 0
}

.product-image {
    min-height: 520px;
    border-radius: 32px;
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow)
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 16px
}

.feature {
    padding: 25px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff
}

.feature p {
    color: var(--m);
    font-size: 13px
}

.formbox {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: 32px;
    box-shadow: var(--shadow)
}

.formgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px
}

.field {
    display: grid;
    gap: 7px
}

.field.full {
    grid-column: 1/-1
}

.field label {
    font-size: 12px;
    font-weight: 800
}

.field input,.field select,.field textarea {
    padding: 13px;
    border: 1px solid #cddbe4;
    border-radius: 11px;
    outline: 0
}

.field textarea {
    min-height: 135px
}

.field input:focus,.field select:focus,.field textarea:focus {
    border-color: var(--b);
    box-shadow: 0 0 0 3px rgba(8,124,193,.1)
}

@media(max-width: 1050px) {
    .navlinks {
        gap:15px
    }

    .products {
        grid-template-columns: repeat(2,1fr)
    }

    .cards6 {
        grid-template-columns: repeat(2,1fr)
    }

    .footer-grid {
        grid-template-columns: repeat(2,1fr)
    }

    .quality-grid {
        grid-template-columns: repeat(2,1fr)
    }
}

@media(max-width: 820px) {
    .topline {
        display:none
    }

    .header {
        height: 100px;
    }

    .header.scrolled {
        height: 100px;
    }

    .logo img {
        width: 95px;
    }

    .hamb {
        display: block
    }

    .navlinks {
        display: none;
        position: absolute;
        top: 100px;
        left: 4%;
        right: 4%;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: var(--shadow);
        padding: 10px;
        flex-direction: column;
        align-items: stretch;
        gap: 0
    }

    .navlinks.open {
        display: flex
    }

    .navlinks>a,.dropbtn {
        padding: 13px 12px;
        text-align: left
    }

    .navlinks>a:after,.dropbtn:after {
        display: none
    }

    .header .nav>.primary {
        display: none
    }

    .dropmenu {
        position: static;
        width: auto;
        box-shadow: none;
        border: 0;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0 7px
    }

    .drop.open .dropmenu {
        display: block
    }

    .hero {
        min-height: 760px
    }

    .hero-content {
        padding: 70px 0
    }

    .hero p {
        font-size: 16px
    }

    .stats {
        margin-top: -30px
    }

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

    .stat {
        border-bottom: 1px solid var(--line)
    }

    .grid2 {
        grid-template-columns: 1fr;
        gap: 40px
    }

    .about-visual {
        height: 420px
    }

    .manufacture-content {
        padding: 45px 30px
    }

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

    .cta-in {
        flex-direction: column;
        align-items: flex-start
    }

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

@media(max-width: 560px) {
    .section {
        padding:75px 0
    }

    .hero {
        min-height: 720px
    }

    .hero h1 {
        font-size: 46px
    }

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

    .hero-actions .btn {
        width: 100%
    }

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

    .stat {
        border-right: 0
    }

    .products,.cards6,.application-grid,.feature-grid {
        grid-template-columns: 1fr
    }

    .pimg {
        height: 245px
    }

    .about-visual {
        height: 310px
    }

    .manufacture {
        min-height: 680px
    }

    .manufacture-content {
        padding: 38px 22px
    }

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

    .quality {
        padding: 35px 22px
    }

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

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

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

    .field.full {
        grid-column: auto
    }

    .product-image {
        min-height: 330px
    }

    .pagehero {
        padding: 75px 0
    }

    .floating {
        right: 12px;
        bottom: 12px
    }

    .float {
        width: 46px;
        height: 46px
    }
}