:root {
    --navy: #071536;
    --blue: #0877ff;
    --cyan: #08baf4;
    --text: #0b1934;
    --muted: #677993;
    --line: #dde7f2;
    --soft: #f5f9fe;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
}

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


/* HEADER */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 78px;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid #e5edf6;
}

.header-inner {
    height: 100%;
    max-width: 1480px;
    margin: auto;
    padding: 0 34px;
    display: flex;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.akita-mark {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: linear-gradient(135deg,#1559ff,#00a4ff);
    color: white;
    font-size: 21px;
    font-weight: 900;
}

.brand-copy {
    display: flex;
    flex-direction: column;
}

.brand-copy strong {
    font-size: 24px;
    line-height: .95;
}

.brand-copy span {
    margin-top: 5px;
    font-size: 6px;
    letter-spacing: 1.8px;
    font-weight: 850;
}

nav {
    margin-left: 8%;
    display: flex;
    align-items: center;
    gap: 25px;
}

nav a {
    position: relative;
    font-size: 12px;
    font-weight: 650;
}

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

nav a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -11px;
    height: 2px;
    border-radius: 10px;
    background: var(--blue);
}

.header-cta {
    margin-left: auto;
    min-height: 42px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 11px;
    color: white;
    background: linear-gradient(110deg,#066cff,#00a3f8);
    font-size: 12px;
    font-weight: 800;
}


/* HERO */

.hero {
    padding: 92px 34px;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 10%,rgba(0,119,255,.12),transparent 32%),
        #fff;
}

.hero-inner {
    max-width: 1370px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr .82fr;
    gap: 90px;
    align-items: center;
}

.eyebrow,
.section-label {
    color: var(--blue);
    font-size: 10px;
    font-weight: 850;
    letter-spacing: 3px;
}

.hero h1 {
    max-width: 750px;
    margin: 18px 0 24px;
    font-size: clamp(50px,6vw,82px);
    line-height: .95;
    letter-spacing: -4.5px;
}

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

.hero-copy > p {
    max-width: 620px;
    margin: 0;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}


/* ORIGIN VISUAL */

.origin-visual {
    position: relative;
    display: grid;
    gap: 15px;
}

.origin-card {
    padding: 28px;
    border: 1px solid #dbe8f6;
    border-radius: 18px;
    background: rgba(255,255,255,.96);
    box-shadow: 0 18px 50px rgba(19,61,115,.10);
}

.origin-card.second {
    margin-left: 70px;
}

.origin-card small {
    color: var(--blue);
    font-size: 8px;
    font-weight: 850;
    letter-spacing: 2px;
}

.origin-card strong {
    display: block;
    margin: 12px 0 7px;
    font-size: 29px;
}

.origin-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 750;
}

.flow b {
    color: var(--blue);
}


/* STORY */

.story {
    padding: 100px 34px;
    background: var(--soft);
}

.story-inner {
    max-width: 1280px;
    margin: auto;
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 95px;
}

.story-title h2 {
    margin: 14px 0 0;
    font-size: clamp(37px,4vw,58px);
    line-height: 1;
    letter-spacing: -2.5px;
}

.story-text {
    max-width: 690px;
}

.story-text p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.75;
}

.story-text .intro {
    margin-top: 0;
    color: var(--text);
    font-size: 22px;
    font-weight: 800;
}

.story-text blockquote {
    margin: 34px 0 0;
    padding: 22px 25px;
    border-left: 3px solid var(--blue);
    border-radius: 0 12px 12px 0;
    background: white;
    font-size: 19px;
    font-weight: 800;
}


/* GENERAL */

.section-inner {
    max-width: 1370px;
    margin: auto;
}

.section-inner > h2 {
    max-width: 850px;
    margin: 15px 0 45px;
    font-size: clamp(37px,4vw,59px);
    line-height: 1;
    letter-spacing: -2.6px;
}


/* PRINCIPLES */

.principles {
    padding: 100px 34px;
}

.principle-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
}

.principle-grid article {
    min-height: 250px;
    padding: 29px;
    border: 1px solid var(--line);
    border-radius: 17px;
}

.number {
    color: #93b7e5;
    font-size: 10px;
    font-weight: 850;
}

.principle-grid h3 {
    margin: 58px 0 10px;
    font-size: 22px;
}

.principle-grid p {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}


/* HELENA ORIGIN */

.helena-origin {
    padding: 100px 34px;
    color: white;
    background:
        radial-gradient(circle at 82% 10%,rgba(22,119,255,.40),transparent 31%),
        linear-gradient(115deg,#03122e,#082d70);
}

.helena-inner {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 70px;
    align-items: center;
}

.helena-origin .section-label {
    color: #54caff;
}

.helena-origin h2 {
    margin: 14px 0 18px;
    font-size: clamp(38px,4vw,59px);
    line-height: 1;
    letter-spacing: -2.7px;
}

.helena-origin p {
    color: rgba(255,255,255,.70);
    line-height: 1.7;
}

.helena-link {
    margin-top: 20px;
    min-height: 46px;
    padding: 0 17px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border-radius: 10px;
    background: #0877ff;
    color: white;
    font-size: 12px;
    font-weight: 800;
}

.helena-panel {
    padding: 30px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 19px;
    background: rgba(255,255,255,.05);
}

.helena-panel > small {
    color: #56ccff;
    font-size: 8px;
    font-weight: 850;
    letter-spacing: 2px;
}

.helena-process {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(5,1fr);
    gap: 8px;
}

.helena-process div {
    min-height: 120px;
    padding: 17px;
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 12px;
    background: rgba(255,255,255,.04);
}

.helena-process strong,
.helena-process span {
    display: block;
}

.helena-process strong {
    color: #50caff;
    font-size: 11px;
}

.helena-process span {
    margin-top: 45px;
    color: rgba(255,255,255,.83);
    font-size: 10px;
}


/* ECOSYSTEM */

.ecosystem {
    padding: 100px 34px;
    background: #fff;
}

.ecosystem-intro {
    max-width: 680px;
    margin-top: -25px;
    color: var(--muted);
    line-height: 1.65;
}

.ecosystem-grid {
    margin-top: 45px;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
}

.ecosystem-grid article {
    padding: 29px;
    border-radius: 17px;
    border: 1px solid var(--line);
}

.ecosystem-grid article.erp {
    border-color: #abd0ff;
}

.ecosystem-grid article.pdv {
    border-color: #ffc6ad;
}

.ecosystem-grid article.crm {
    border-color: #d7b7ff;
}

.ecosystem-grid small {
    color: var(--muted);
    font-size: 8px;
    font-weight: 850;
    letter-spacing: 1.5px;
}

.ecosystem-grid h3 {
    margin: 37px 0 8px;
    font-size: 22px;
}

.ecosystem-grid p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}


/* CTA */

.cta {
    padding: 30px 34px 85px;
}

.cta-inner {
    max-width: 1370px;
    margin: auto;
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    border: 1px solid #dce8f5;
    border-radius: 22px;
    background: linear-gradient(115deg,#f7fbff,#eef6ff);
}

.cta-inner > div:first-child {
    max-width: 780px;
}

.cta-inner > div:first-child > span {
    color: var(--blue);
    font-size: 9px;
    font-weight: 850;
    letter-spacing: 2px;
}

.cta h2 {
    margin: 10px 0 0;
    font-size: clamp(29px,3.4vw,47px);
    line-height: 1;
}

.cta-actions {
    flex: 0 0 230px;
    display: grid;
    gap: 9px;
}

.cta-actions a {
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 800;
}

.cta-actions .primary {
    color: white;
    background: var(--blue);
}

.cta-actions .secondary {
    border: 1px solid #d6e3f2;
    background: white;
}


/* RESPONSIVE */

@media(max-width:1000px) {

    nav {
        display: none;
    }

    .hero-inner,
    .story-inner,
    .helena-inner {
        grid-template-columns: 1fr;
    }

    .principle-grid,
    .ecosystem-grid {
        grid-template-columns: 1fr;
    }

    .helena-process {
        grid-template-columns: repeat(2,1fr);
    }

}

@media(max-width:650px) {

    .header-inner {
        padding: 0 18px;
    }

    .hero,
    .story,
    .principles,
    .helena-origin,
    .ecosystem,
    .cta {
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero {
        padding-top: 55px;
    }

    .hero h1 {
        letter-spacing: -2.6px;
    }

    .origin-card.second {
        margin-left: 0;
    }

    .story-inner {
        gap: 45px;
    }

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

    .cta-inner {
        padding: 30px;
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-actions {
        width: 100%;
        flex: none;
    }

}