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

html {
    scroll-behavior: smooth;
}

body {
    background: #07090d;
    color: #f4f5f7;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

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


/* =========================
   NAVBAR
========================= */

.navbar {
    height: 82px;

    padding: 0 7%;

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

    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(7, 9, 13, .9);
    backdrop-filter: blur(18px);

    border-bottom: 1px solid #1c222c;
}

.logo {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 4px;
}

.logo span {
    display: block;

    font-size: 8px;
    letter-spacing: 5px;

    color: #777f8c;
}

nav {
    display: flex;
    gap: 32px;
}

nav a {
    font-size: 13px;
    color: #929ba8;

    transition: .2s;
}

nav a:hover {
    color: white;
}

.nav-button {
    border: 1px solid #3a424e;

    padding: 10px 18px;

    border-radius: 7px;

    font-size: 12px;
    font-weight: 700;

    transition: .2s;
}

.nav-button:hover {
    background: white;
    color: #07090d;
}


/* =========================
   BUTTONS
========================= */

.button {
    display: inline-flex;

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

    padding: 14px 23px;

    border-radius: 7px;

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

    transition: .25s;
}

.primary {
    background: white;
    color: #080a0e;
}

.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255,255,255,.1);
}

.secondary {
    border: 1px solid #353d49;
    color: #c9ced6;
}

.secondary:hover {
    border-color: #687280;
}


/* =========================
   HERO
========================= */

.hero {
    min-height: calc(100vh - 82px);

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 70px;

    align-items: center;

    padding: 90px 9%;

    overflow: hidden;
}

.hero-content {
    max-width: 700px;
}

.eyebrow {
    color: #727c8b;

    font-size: 10px;
    font-weight: 900;

    letter-spacing: 3px;

    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(52px, 6vw, 86px);

    line-height: .96;

    letter-spacing: -5px;

    margin-bottom: 30px;
}

.hero h1 span {
    display: block;
    color: #858e9c;
}

.hero p {
    color: #929ba8;

    max-width: 580px;

    font-size: 17px;

    margin-bottom: 35px;
}

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


/* =========================
   IMAGE PLACEHOLDER
========================= */

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

.image-placeholder {
    border: 1px dashed #343c48;

    background:
        linear-gradient(
            145deg,
            #151a22,
            #090c11
        );

    color: #3d4654;

    display: flex;
    flex-direction: column;

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

    text-align: center;
}

.image-placeholder.big {
    width: min(520px, 100%);
    height: 520px;

    border-radius: 22px;
}

.placeholder-symbol {
    font-size: 100px;
    font-weight: 900;

    letter-spacing: -10px;

    margin-bottom: 20px;
}

.image-placeholder strong {
    font-size: 11px;
    letter-spacing: 3px;
}

.image-placeholder small {
    color: #555f6d;
    margin-top: 7px;
}


/* =========================
   INTRO
========================= */

.intro {
    padding: 100px 9%;

    border-top: 1px solid #171c24;
    border-bottom: 1px solid #171c24;

    display: grid;

    grid-template-columns: 120px 1fr;

    gap: 30px;
}

.intro-number,
.step-number {
    color: #555f6d;

    font-size: 12px;
    font-weight: 900;

    letter-spacing: 2px;
}

.intro h2 {
    max-width: 700px;

    font-size: clamp(38px, 5vw, 65px);

    line-height: 1;

    letter-spacing: -3px;

    margin-bottom: 25px;
}

.intro h2 span,
.section-header h2 span,
.about-section h2 span,
.contact-section h2 span {
    color: #7e8795;
}

.intro p {
    color: #858e9c;

    max-width: 650px;

    font-size: 16px;
}


/* =========================
   SECTIONS
========================= */

.section {
    padding: 120px 9%;
}

.section-header {
    max-width: 700px;

    margin-bottom: 65px;
}

.section-header.center {
    margin-left: auto;
    margin-right: auto;

    text-align: center;
}

.section-header h2 {
    font-size: clamp(42px, 5vw, 68px);

    line-height: 1;

    letter-spacing: -4px;

    margin-bottom: 25px;
}

.section-header p {
    color: #858e9c;
}


/* =========================
   STEPS
========================= */

.steps {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}

.step {
    min-height: 280px;

    padding: 32px;

    border: 1px solid #202631;

    border-radius: 13px;

    background: #0c1016;

    transition: .25s;
}

.step:hover {
    transform: translateY(-5px);
    border-color: #46505d;
}

.step-number {
    margin-bottom: 90px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.step p {
    color: #788391;
    font-size: 14px;
}


/* =========================
   PRODUCTS
========================= */

.products-section {
    background: #090c11;

    border-top: 1px solid #171c24;
    border-bottom: 1px solid #171c24;
}

.products-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;
}

.product-card {
    overflow: hidden;

    border: 1px solid #202631;

    border-radius: 13px;

    background: #0d1117;

    transition: .25s;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: #46505d;
}

.product-image {
    height: 250px;

    display: flex;
    flex-direction: column;

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

    background:
        linear-gradient(
            145deg,
            #161b23,
            #090c11
        );

    color: #394250;
}

.product-image span {
    font-size: 65px;
    font-weight: 900;

    line-height: 1;
}

.product-image small {
    margin-top: 12px;

    font-size: 9px;

    letter-spacing: 3px;

    color: #626c79;
}

.product-content {
    padding: 23px;
}

.product-category {
    color: #697381;

    font-size: 9px;
    font-weight: 900;

    letter-spacing: 2px;

    margin-bottom: 8px;
}

.product-content h3 {
    font-size: 20px;
    margin-bottom: 7px;
}

.product-content p {
    color: #7d8794;

    font-size: 13px;

    min-height: 43px;
}

.product-footer {
    display: flex;

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

    margin-top: 22px;
}

.product-footer strong {
    font-size: 18px;
}

.product-footer button {
    background: transparent;

    color: #c8ced6;

    border: 1px solid #343c48;

    border-radius: 6px;

    padding: 7px 10px;

    font-size: 10px;

    cursor: pointer;
}

.product-footer button:hover {
    background: white;
    color: black;
}

.product-card.special {
    border-style: dashed;
}


/* =========================
   ABOUT
========================= */

.about-section {
    border-bottom: 1px solid #171c24;
}

.about-grid {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 100px;

    align-items: start;
}

.about-section h2 {
    font-size: clamp(42px, 5vw, 65px);

    line-height: 1;

    letter-spacing: -4px;
}

.about-text {
    color: #8b94a1;
}

.about-text p {
    margin-bottom: 25px;
}


/* =========================
   FEATURES
========================= */

.features {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    border-bottom: 1px solid #171c24;
}

.feature {
    padding: 50px 35px;

    border-right: 1px solid #171c24;
}

.feature:last-child {
    border-right: none;
}

.feature span {
    color: #596371;

    font-size: 10px;
    font-weight: 900;

    letter-spacing: 2px;
}

.feature h3 {
    margin-top: 35px;
    margin-bottom: 8px;
}

.feature p {
    color: #788391;

    font-size: 13px;
}


/* =========================
   CONTACT
========================= */

.contact-section {
    padding: 150px 9%;

    text-align: center;

    background:
        radial-gradient(
            circle at center,
            #171c24,
            #07090d 65%
        );
}

.contact-content {
    max-width: 700px;
    margin: auto;
}

.contact-section h2 {
    font-size: clamp(48px, 6vw, 78px);

    line-height: 1;

    letter-spacing: -5px;

    margin-bottom: 25px;
}

.contact-section p {
    color: #858e9c;

    margin-bottom: 30px;
}


/* =========================
   FOOTER
========================= */

footer {
    padding: 60px 9%;

    display: grid;

    grid-template-columns: 2fr 1fr 1fr 1.5fr;

    gap: 50px;

    border-bottom: 1px solid #171c24;
}

.footer-brand p {
    color: #697381;

    font-size: 12px;

    max-width: 260px;

    margin-top: 18px;
}

.footer-column {
    display: flex;
    flex-direction: column;

    gap: 10px;
}

.footer-column strong {
    font-size: 12px;

    margin-bottom: 8px;
}

.footer-column a {
    color: #717b89;

    font-size: 12px;
}

.footer-column a:hover {
    color: white;
}

.copyright {
    padding: 20px 9%;

    color: #4f5967;

    font-size: 10px;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 1000px) {

    nav {
        display: none;
    }

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

    .hero-visual {
        justify-content: flex-start;
    }

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

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

    .feature {
        border-bottom: 1px solid #171c24;
    }

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

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


@media (max-width: 650px) {

    .navbar {
        padding: 0 5%;
    }

    .nav-button {
        display: none;
    }

    .hero,
    .section,
    .intro,
    .contact-section {
        padding-left: 5%;
        padding-right: 5%;
    }

    .hero {
        padding-top: 70px;
        padding-bottom: 70px;
    }

    .hero h1 {
        font-size: 54px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .image-placeholder.big {
        height: 350px;
    }

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

    .steps {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

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

    .feature {
        border-right: none;
    }

    footer {
        grid-template-columns: 1fr;

        padding-left: 5%;
        padding-right: 5%;
    }

    .copyright {
        padding-left: 5%;
        padding-right: 5%;
    }
}.legal-content {
    max-width: 800px;
    color: #929ba8;
}

.legal-content h3 {
    color: white;
    margin-top: 40px;
    margin-bottom: 12px;
}

.legal-content p {
    margin-bottom: 15px;
}

.legal-content a {
    color: white;
    text-decoration: underline;
}