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

:root {
    --bg-dark: #0e1d27;
    --bg-section: #0e1d27;
    --bg-panel: radial-gradient(circle, rgba(74, 92, 70, 1) 0%, rgba(50, 67, 53, 1) 100%);
    --bg-footer: #1b2518;
    --gold: #FBD784;
    --gold-hover: #95895f;
    --white: #ffffff;
    --body: #b0ac9f;
    --muted: #7a776c;
    --hf: "Bricolage Grotesque", sans-serif;
    --bf: "Bricolage Grotesque", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--bf);
    background: var(--bg-dark);
    color: var(--body);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background .3s;
}

header.scrolled {
    background: rgb(16 24 32 / 65%);
    backdrop-filter: blur(10px);
}

.hdr {
    max-width: 1400px;
    margin: 0 auto;
    padding: 22px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-space {
    width: 160px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all .3s ease;
}

header.scrolled .logo-space {
    width: 100px;
}

.logo-box {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .5rem;
    color: var(--gold);
    letter-spacing: 1px;
}

.mnav {
    display: flex;
    gap: 40px;
}

.mnav a {
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    color: var(--white);
    transition: color .3s;
}

.mnav a:hover {
    color: var(--gold);
}

.hdr-r {
    width: 120px;
}

.lang {
    position: relative;
}

.lang a {
    color: #FFF;
    padding-left: 29px;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    font-weight: 300;
    transition:all .3s ease;
}

.lang a:hover {
    color: var(--gold);
}

.lang svg {
    max-width: 20px;
    position: absolute;
    top: 0px;
    left: 0px;
}

.ham {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 6px;
}

.ham span {
    width: 24px;
    height: 1.5px;
    background: var(--white);
    transition: .3s;
    display: block;
}

.ham.on span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.ham.on span:nth-child(2) {
    opacity: 0;
}

.ham.on span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

.mob {
    position: fixed;
    inset: 0;
    background: rgb(16 24 32 / 93%);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .35s;
}

.mob.on {
    opacity: 1;
    pointer-events: all;
}

.mob nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.mob nav a {
    font-family: var(--hf);
    font-size: 1.6rem;
    color: var(--white);
}

.mob nav a:hover {
    color: var(--gold);
}

#mn .lang {
    bottom: 0;
    position: absolute;
    bottom: 65px;
}

.hero {
    position: relative;
    min-height: 130vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: url('../files/k1-intro.jpg');
    background-size: cover;
    background-position: bottom center;
}

.hero::before {
}

.hero::after {
}

.hero-in {
    position: relative;
    z-index: 3;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 48px;
    width: 100%;
    margin-top: -30vh;
}

.hero-lab {
    font-size: .65rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.hero-lab::before {
    content: '';
    width: 36px;
    height: 1px;
    background: var(--gold);
}

.hero h1 {
    font-family: var(--hf);
    font-size: clamp(2.6rem,5.5vw,4.2rem);
    font-weight: 500;
    line-height: 1.12;
    color: var(--white);
    margin-bottom: 24px;
    max-width: 700px;
}

.hero-p {
    font-size: .88rem;
    line-height: 1.75;
    color: var(--white);
    max-width: 550px;
    margin-bottom: 36px;
    font-weight: 300;
}

.btn-o {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border: 1.5px solid var(--gold);
    border-radius: 8px;
    color: #000;
    font-family: var(--bf);
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    background: var(--gold);
    transition: all .3s ease;
}

.btn-o:hover {
    background: var(--gold-hover);
    color: var(--bg-dark);
    border-color: var(--gold-hover);
    color: #FFFFFF;
}

.hsoc {
    position: absolute;
    left: 48px;
    top: 35%;
    transform: translateY(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.hsoc svg {
    width: 28px;
}

.hsoc .sl {
    writing-mode: vertical-rl;
    font-size: .62rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 4px;
}

.hsoc a {
    color: var(--white);
    transition: color .3s;
}

.hsoc a:hover {
    color: var(--gold);
}

.slab {
    font-size: .62rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.slab::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--gold);
}

.stit {
    font-family: var(--hf);
    font-size: clamp(1.8rem,3.5vw,2.6rem);
    font-weight: 500;
    line-height: 1.18;
    color: var(--white);
    margin-bottom: 24px;
    max-width: 400px;
}

.bt {
    font-size: .9rem;
    line-height: 1.8;
    color: var(--white);
    font-weight: 300;
}

.bt+.bt {
    margin-top: 16px;
}

.ph {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a3520, #3a4a2a);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: .75rem;
    letter-spacing: 2px;
    border-radius: 4px;
}

.w {
    max-width: 1460px;
    margin: 0 auto;
    padding: 0 48px;
}

.w.mw {
    max-width: 1170px;
}

.about {
    background: var(--bg-dark);
    padding-bottom: 0;
    margin-top: -40vh;
}

.about .g {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 190px;
    align-items: center;
}

.what {
    background: var(--bg-section);
    padding: 95px 0;
}

.what .g {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 190px;
    align-items: center;
}

.usage {
    background: var(--bg-dark);
    padding: 120px 0;
    padding-top: 0;
}

.usage .g {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 190px;
    align-items: center;
}

.ben {
    background: var(--bg-panel);
    padding: 80px 0;
    padding-bottom: 140px;
}

.ben-t {
    font-family: var(--hf);
    font-size: clamp(1.4rem,2.5vw,1.8rem);
    font-weight: 600;
    color: var(--white);
    text-align: center;
    margin-bottom: 50px;
    line-height: 1.3;
}

.ben-g {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 50px 80px;
    text-align: center;
}

.ben-c h3 {
    font-family: var(--hf);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
    line-height: 1.3;
}

.ben-c p {
    font-size: .82rem;
    line-height: 1.7;
    color: var(--white);
    font-weight: 300;
}

.cta {
    background: var(--bg-section);
    padding: 90px 0;
    padding-top: 75px;
}

.cta-h {
    font-family: var(--hf);
    font-size: clamp(1.6rem,3vw,2.2rem);
    font-weight: 600;
    color: var(--white);
    text-align: center;
    margin-bottom: 8px;
}

.cta-s {
    text-align: center;
    font-size: .82rem;
    color: var(--white);
    margin-bottom: 44px;
    line-height: 1.6;
}

.cta-g {
    display: grid;
    grid-template-columns: 4fr 2fr;
    gap: 56px;
    align-items: start;
}

.cf {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.cf input, .cf textarea {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255,255,255,.04);
    border: 0;
    border-radius: 8px;
    color: var(--white);
    font-family: var(--bf);
    font-size: .85rem;
    outline: none;
    transition: border-color .3s;
}

.cf input::placeholder, .cf textarea::placeholder {
    color: var(--white);
}

.cf input:focus, .cf textarea:focus {
    border-color: var(--gold);
}

.cf textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-s {
    padding: 14px 36px;
    background: var(--gold);
    border: none;
    border-radius: 8px;
    color: #000000;
    font-family: var(--bf);
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .3s;
    align-self: flex-start;
}

.btn-s:hover {
    background: var(--gold-hover);
}

.ci {
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding-top: 6px;
}

.ci-i {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.ci-ic {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgb(31 44 54);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--white);
}

.ci-t {
    font-size: .82rem;
    color: var(--white);
    line-height: 1.6;
}

footer {
    background: #0f1820;
    padding: 22px 0 20px;
}

.ft {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.fl {
    font-family: var(--hf);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 8px;
}

.fl-b {
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .5rem;
    letter-spacing: 1px;
}

.fb-t {
    font-size: .82rem;
    color: var(--white);
    line-height: 1.7;
    max-width: 280px;
    margin-top: 12px;
}

.fc h4 {
    font-size: .65rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
    font-weight: 600;
}

.fc ul li {
    margin-bottom: 9px;
}

.fc ul li a {
    font-size: .84rem;
    color: var(--white);
    transition: color .3s;
}

.fc ul li a:hover {
    color: var(--white);
}

.fnl p {
    font-size: .82rem;
    color: var(--white);
    line-height: 1.6;
    margin-bottom: 14px;
}

.nf {
    display: flex;
}

.nf input {
    flex: 1;
    padding: 10px 14px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    border-right: none;
    border-radius: 3px 0 0 3px;
    color: var(--white);
    font-family: var(--bf);
    font-size: .82rem;
    outline: none;
}

.nf input:focus {
    border-color: var(--gold);
}

.nf button {
    padding: 10px 16px;
    background: var(--gold);
    border: none;
    border-radius: 0 3px 3px 0;
    color: var(--bg-dark);
    font-family: var(--bf);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    transition: background .3s;
}

.nf button:hover {
    background: var(--gold-hover);
}

.fbot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .75rem;
    color: #717980;
    justify-content: center;
    flex-direction: column;
}

.poweredby {
    padding-top: 4px;
}

.flinks {
    display: flex;
    gap: 20px;
}

.flinks a {
    color: var(--muted);
    transition: color .3s;
    font-size: .75rem;
}

.flinks a:hover {
    color: var(--white);
}

.footer-logo {
    max-width: 150px !important;
}

.fi {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .65s, transform .65s;
}

.fi.v {
    opacity: 1;
}

@media(max-width: 1620px) {
    .hsoc {
        left: initial;
        right: 48px;
    }
}

@media(max-width: 1024px) {
    .hdr,.hero-in,.w {
        padding-left: 32px;
        padding-right: 32px;
    }

    .about .g,.what .g,.usage .g {
        gap: 48px;
    }

    .ben-g {
        grid-template-columns: repeat(2,1fr);
        gap: 28px;
    }

    .ft {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media(max-width: 768px) {
    .hero-in {
        margin-top: -20vh;
    }

    .hdr {
        padding: 16px 24px;
    }

    .mnav {
        display: none;
    }

    .ham {
        display: flex;
    }

    .hdr-r {
        display: none;
    }

    .hero-in,.w {
        padding-left: 24px;
        padding-right: 24px;
    }

    .hsoc {
        display: none;
    }

    .about,.what,.usage {
        padding: 30px 0;
    }

    .about .g,.what .g,.usage .g {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .what-img {
        aspect-ratio: 4/3;
    }

    .ben {
        padding: 60px 0;
        padding-bottom: 90px;
    }

    .ben-g {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta {
        padding: 60px 0;
    }

    .cta-g {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .cf-r {
        grid-template-columns: 1fr;
    }

    .ft {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .fbot {
        flex-direction: column;
        text-align: center;
    }

    .what-img {
        order: 2;
    }

    .what .g > div:last-child {
        order: 1;
    }

    .usage {
        padding-bottom: 70px;
    }
}

@media(max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .stit {
        font-size: 1.5rem;
    }

    .ben-t {
        font-size: 1.2rem;
    }
}
