/* =========================================
   JS SOFTWARE
   MAIN DESIGN SYSTEM
========================================= */

:root {
    --bg-main: #050914;
    --bg-secondary: #080e1c;
    --bg-card: #0b1222;

    --text-main: #f4f7ff;
    --text-secondary: #a6b0c2;
    --text-muted: #69758a;

    --blue: #168cff;
    --blue-light: #4db8ff;
    --cyan: #69d8ff;

    --border: rgba(255, 255, 255, 0.08);

    --container: 1200px;

    --radius-small: 10px;
    --radius-medium: 16px;
    --radius-large: 24px;
}


/* =========================================
   RESET
========================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;

    font-family:
        Inter,
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;

    background:
        radial-gradient(
            circle at 80% 10%,
            rgba(22, 140, 255, 0.08),
            transparent 30%
        ),
        var(--bg-main);

    color: var(--text-main);

    line-height: 1.6;

    overflow-x: hidden;
}

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

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

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


/* =========================================
   HEADER
========================================= */

.site-header {
    position: sticky;

    top: 0;

    z-index: 1000;

    background:
        rgba(5, 9, 20, 0.78);

    border-bottom:
        1px solid var(--border);

    backdrop-filter:
        blur(18px);

    -webkit-backdrop-filter:
        blur(18px);
}


.nav-container {
    width: min(
        calc(100% - 40px),
        var(--container)
    );

    min-height: 78px;

    margin: 0 auto;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;
}


/* =========================================
   BRAND
========================================= */

.brand {
    display: inline-flex;

    flex-direction: column;

    align-items: flex-start;

    flex-shrink: 0;
}

.brand-mark {
    font-size: 30px;

    font-weight: 900;

    line-height: 0.85;

    letter-spacing: -3px;

    color: var(--text-main);

    text-shadow:
        0 0 18px
        rgba(77, 184, 255, 0.2);
}

.brand-name {
    margin-top: 6px;

    font-size: 8px;

    font-weight: 700;

    line-height: 1;

    letter-spacing: 4px;

    color: var(--blue-light);
}


/* =========================================
   NAVIGATION
========================================= */

.main-nav {
    display: flex;

    align-items: center;

    gap: 28px;
}

.nav-link {
    position: relative;

    color: var(--text-secondary);

    font-size: 14px;

    font-weight: 500;

    transition:
        color 0.25s ease;
}

.nav-link::after {
    content: "";

    position: absolute;

    left: 0;

    bottom: -8px;

    width: 0;

    height: 2px;

    border-radius: 10px;

    background:
        linear-gradient(
            90deg,
            var(--blue),
            var(--cyan)
        );

    transition:
        width 0.25s ease;
}

.nav-link:hover {
    color: var(--text-main);
}

.nav-link:hover::after {
    width: 100%;
}


/* =========================================
   LANGUAGE BUTTON
========================================= */

.language-switch {
    min-width: 42px;

    padding: 7px 10px;

    border:
        1px solid
        var(--border);

    border-radius: 8px;

    background:
        rgba(255, 255, 255, 0.03);

    color: var(--text-secondary);

    font-size: 12px;

    font-weight: 700;

    cursor: pointer;

    transition:
        border-color 0.25s ease,
        color 0.25s ease,
        background 0.25s ease;
}

.language-switch:hover {
    color: var(--text-main);

    border-color:
        rgba(77, 184, 255, 0.5);

    background:
        rgba(77, 184, 255, 0.06);
}


/* =========================================
   MOBILE MENU BUTTON
========================================= */

.menu-toggle {
    display: none;

    width: 44px;
    height: 44px;

    border:
        1px solid
        var(--border);

    border-radius: 10px;

    background:
        rgba(255, 255, 255, 0.03);

    cursor: pointer;

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

    flex-direction: column;

    gap: 5px;
}

.menu-toggle span {
    width: 20px;

    height: 2px;

    border-radius: 10px;

    background:
        var(--text-main);

    transition:
        transform 0.25s ease,
        opacity 0.25s ease;
}

.menu-toggle.is-active span:nth-child(1) {
    transform:
        translateY(7px)
        rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
    transform:
        translateY(-7px)
        rotate(-45deg);
}


/* =========================================
   MAIN
========================================= */

#main-content {
    min-height:
        calc(100vh - 200px);
}


/* =========================================
   COMMON CONTAINER
========================================= */

.container {
    width: min(
        calc(100% - 40px),
        var(--container)
    );

    margin: 0 auto;
}


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

.hero {
    position: relative;

    min-height:
        calc(100vh - 78px);

    display: flex;

    align-items: center;

    overflow: hidden;
}

.hero::before {
    content: "";

    position: absolute;

    width: 500px;
    height: 500px;

    top: -180px;
    right: -120px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(22, 140, 255, 0.15),
            transparent 68%
        );

    pointer-events: none;
}

.hero-content {
    position: relative;

    z-index: 2;

    width: min(
        calc(100% - 40px),
        900px
    );

    margin: 0 auto;

    padding:
        100px 0;
}

.eyebrow {
    margin-bottom: 22px;

    color: var(--blue-light);

    font-size: 12px;

    font-weight: 800;

    letter-spacing: 5px;
}

.hero h1 {
    max-width: 900px;

    font-size:
        clamp(
            48px,
            8vw,
            94px
        );

    line-height: 0.98;

    letter-spacing: -5px;

    font-weight: 800;
}

.hero h1 span {
    display: block;

    color: var(--blue-light);

    background:
        linear-gradient(
            90deg,
            #4db8ff,
            #69d8ff
        );

    -webkit-background-clip: text;
    background-clip: text;

    -webkit-text-fill-color: transparent;
}

.hero-description {
    max-width: 680px;

    margin-top: 32px;

    color: var(--text-secondary);

    font-size:
        clamp(16px, 2vw, 19px);

    line-height: 1.8;
}


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

.hero-buttons {
    display: flex;

    flex-wrap: wrap;

    gap: 14px;

    margin-top: 38px;
}

.btn {
    display: inline-flex;

    align-items: center;

    justify-content: center;

    min-height: 50px;

    padding:
        0 24px;

    border-radius:
        var(--radius-small);

    font-size: 14px;

    font-weight: 700;

    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        background 0.25s ease;
}

.btn-primary {
    background:
        linear-gradient(
            135deg,
            #168cff,
            #36a9ff
        );

    color: white;

    box-shadow:
        0 10px 35px
        rgba(22, 140, 255, 0.2);
}

.btn-primary:hover {
    transform:
        translateY(-3px);
}

.btn-secondary {
    border:
        1px solid
        var(--border);

    background:
        rgba(255, 255, 255, 0.025);

    color:
        var(--text-main);
}

.btn-secondary:hover {
    transform:
        translateY(-3px);

    border-color:
        rgba(77, 184, 255, 0.45);

    background:
        rgba(77, 184, 255, 0.05);
}


/* =========================================
   SECTION
========================================= */

.section {
    padding:
        110px 0;
}

.section-header {
    max-width: 720px;

    margin-bottom: 50px;
}

.section-title {
    font-size:
        clamp(
            34px,
            5vw,
            60px
        );

    line-height: 1.05;

    letter-spacing: -2px;
}

.section-description {
    margin-top: 20px;

    color: var(--text-secondary);

    font-size: 17px;

    line-height: 1.8;
}


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

.site-footer {
    margin-top: 80px;

    border-top:
        1px solid
        var(--border);

    background:
        rgba(3, 7, 15, 0.65);
}

.footer-container {
    width: min(
        calc(100% - 40px),
        var(--container)
    );

    margin: 0 auto;

    padding:
        70px 0;

    display: flex;

    justify-content: space-between;

    gap: 60px;
}

.footer-brand {
    max-width: 330px;
}

.footer-brand p {
    margin-top: 18px;

    color: var(--text-muted);

    font-size: 14px;

    line-height: 1.7;
}

.footer-links {
    display: flex;

    gap: 80px;
}

.footer-column {
    display: flex;

    flex-direction: column;

    gap: 10px;
}

.footer-column h3 {
    margin-bottom: 8px;

    color: var(--text-main);

    font-size: 13px;

    text-transform: uppercase;

    letter-spacing: 1px;
}

.footer-column a {
    color: var(--text-muted);

    font-size: 14px;

    transition:
        color 0.2s ease;
}

.footer-column a:hover {
    color: var(--blue-light);
}

.footer-bottom {
    padding:
        22px 20px;

    border-top:
        1px solid
        var(--border);

    text-align: center;

    color: var(--text-muted);

    font-size: 12px;
}


/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 850px) {

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;

        top: 78px;

        left: 20px;
        right: 20px;

        display: flex;

        align-items: stretch;

        flex-direction: column;

        gap: 0;

        padding: 10px;

        border:
            1px solid
            var(--border);

        border-radius:
            var(--radius-medium);

        background:
            rgba(7, 12, 24, 0.96);

        backdrop-filter:
            blur(20px);

        opacity: 0;

        visibility: hidden;

        transform:
            translateY(-10px);

        transition:
            opacity 0.25s ease,
            visibility 0.25s ease,
            transform 0.25s ease;
    }

    .main-nav.is-open {
        opacity: 1;

        visibility: visible;

        transform:
            translateY(0);
    }

    .nav-link {
        padding:
            14px 12px;
    }

    .nav-link::after {
        display: none;
    }

    .language-switch {
        margin:
            8px 0 4px;
    }

    .hero {
        min-height:
            calc(100vh - 78px);
    }

    .hero h1 {
        letter-spacing: -3px;
    }

    .footer-container {
        flex-direction: column;
    }

    .footer-links {
        gap: 50px;
    }
}


@media (max-width: 600px) {

    .nav-container {
        width:
            calc(100% - 28px);
    }

    .container {
        width:
            calc(100% - 28px);
    }

    .hero-content {
        width:
            calc(100% - 28px);

        padding:
            80px 0;
    }

    .hero h1 {
        font-size:
            clamp(
                42px,
                13vw,
                64px
            );

        letter-spacing: -2px;
    }

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

    .btn {
        width: 100%;
    }

    .section {
        padding:
            80px 0;
    }

    .footer-links {
        flex-direction: column;

        gap: 35px;
    }
}


/* =========================================
   PROJECTS PAGE
========================================= */

.page-hero {
    position: relative;
    padding: 150px 0 80px;
    overflow: hidden;
    background:
        radial-gradient(
            circle at 75% 30%,
            rgba(22, 140, 255, 0.08),
            transparent 38%
        );
}

.page-title {
    max-width: 850px;
    margin: 14px 0 22px;
    color: var(--text-main);
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.page-title span {
    color: var(--blue-light);
}

.page-description {
    max-width: 680px;
    margin: 0;
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.8;
}


/* =========================================
   PROJECT FILTERS
========================================= */

.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.project-filter {
    padding: 10px 17px;

    border: 1px solid var(--border);
    border-radius: 999px;

    background: rgba(255, 255, 255, 0.025);

    color: var(--text-secondary);

    font-family: inherit;
    font-size: 13px;
    cursor: pointer;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        color 0.25s ease,
        transform 0.25s ease;
}

.project-filter:hover {
    transform: translateY(-2px);
    border-color: rgba(77, 184, 255, 0.3);
    color: var(--text-main);
}

.project-filter.active {
    background: rgba(22, 140, 255, 0.12);
    border-color: rgba(77, 184, 255, 0.35);
    color: var(--blue-light);
}


/* =========================================
   PROJECT GRID
========================================= */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}


/* =========================================
   PROJECT CARD
========================================= */

.project-card {
    overflow: hidden;

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.045),
            rgba(255, 255, 255, 0.015)
        );

    border: 1px solid var(--border);
    border-radius: 20px;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-7px);

    border-color: rgba(77, 184, 255, 0.3);

    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.25);
}


/* =========================================
   PROJECT IMAGE
========================================= */

.project-image {
    height: 220px;

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

    background:
        radial-gradient(
            circle at center,
            rgba(22, 140, 255, 0.14),
            transparent 55%
        ),
        #070d1a;

    border-bottom: 1px solid var(--border);
}

.project-image-placeholder {
    width: 82px;
    height: 82px;

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

    border-radius: 20px;

    background: rgba(22, 140, 255, 0.09);

    border: 1px solid rgba(77, 184, 255, 0.22);

    color: var(--blue-light);

    font-size: 15px;
    font-weight: 900;
    letter-spacing: 0.08em;

    box-shadow:
        0 0 35px rgba(22, 140, 255, 0.08);
}


/* =========================================
   PROJECT CONTENT
========================================= */

.project-content {
    padding: 28px;
}

.project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 17px;
}

.project-category {
    color: var(--blue-light);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 0.12em;
}

.project-status {
    padding: 5px 9px;

    border-radius: 999px;

    background: rgba(255, 255, 255, 0.04);

    color: var(--text-muted);

    font-size: 11px;
    white-space: nowrap;
}

.project-content h2 {
    margin: 0 0 12px;

    color: var(--text-main);

    font-size: 23px;
    line-height: 1.25;
}

.project-content p {
    margin: 0;

    color: var(--text-secondary);

    font-size: 14px;
    line-height: 1.75;
}


/* =========================================
   PROJECT TECHNOLOGIES
========================================= */

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;

    margin-top: 22px;
}

.project-tech span {
    padding: 6px 9px;

    border-radius: 7px;

    background: rgba(255, 255, 255, 0.035);

    color: var(--text-muted);

    font-size: 11px;
}


/* =========================================
   PROJECT LINK
========================================= */

.project-link {
    display: inline-flex;

    margin-top: 24px;

    color: var(--blue-light);

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

    text-decoration: none;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.project-link:hover {
    color: var(--cyan);
    transform: translateX(4px);
}


/* =========================================
   PROJECTS RESPONSIVE
========================================= */

@media (max-width: 800px) {

    .page-hero {
        padding: 120px 0 65px;
    }

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

}

@media (max-width: 600px) {

    .page-description {
        font-size: 16px;
    }

    .project-content {
        padding: 23px;
    }

    .project-image {
        height: 190px;
    }

    .project-meta {
        align-items: flex-start;
        flex-direction: column;
        gap: 9px;
    }

}



/* =========================================
   PROJECT DETAIL
========================================= */

.project-detail-hero {
    position: relative;
    padding: 130px 0 75px;
    overflow: hidden;

    background:
        radial-gradient(
            circle at 75% 25%,
            rgba(22, 140, 255, 0.09),
            transparent 38%
        );
}

.back-link {
    display: inline-flex;
    margin-bottom: 45px;

    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.back-link:hover {
    color: var(--blue-light);
    transform: translateX(-3px);
}

.project-detail-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 50px;
}

.project-detail-title {
    max-width: 850px;
    margin: 12px 0 20px;

    color: var(--text-main);

    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.project-detail-description {
    max-width: 680px;
    margin: 0;

    color: var(--text-secondary);

    font-size: 18px;
    line-height: 1.8;
}

.project-detail-status {
    min-width: 150px;

    padding: 18px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid var(--border);
    border-radius: 14px;
}

.project-detail-status span {
    display: block;

    margin-bottom: 7px;

    color: var(--text-muted);

    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.project-detail-status strong {
    color: var(--blue-light);

    font-size: 14px;
}


/* =========================================
   DETAIL LAYOUT
========================================= */

.project-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 55px;
    align-items: start;
}

.project-detail-main {
    min-width: 0;
}


/* =========================================
   DETAIL IMAGE
========================================= */

.project-detail-image {
    min-height: 390px;

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

    background:
        radial-gradient(
            circle at center,
            rgba(22, 140, 255, 0.16),
            transparent 52%
        ),
        #070d1a;

    border: 1px solid var(--border);
    border-radius: 22px;

    overflow: hidden;
}

.project-detail-image div {
    width: 130px;
    height: 130px;

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

    border-radius: 30px;

    background: rgba(22, 140, 255, 0.08);

    border: 1px solid rgba(77, 184, 255, 0.25);

    color: var(--blue-light);

    font-size: 17px;
    font-weight: 900;
    letter-spacing: 0.08em;

    box-shadow:
        0 0 60px rgba(22, 140, 255, 0.12);
}


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

.project-detail-section {
    margin-top: 70px;
}

.project-detail-section h2 {
    max-width: 750px;

    margin: 14px 0 22px;

    color: var(--text-main);

    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.15;
}

.project-detail-section > p:not(.eyebrow) {
    max-width: 760px;

    margin: 0 0 18px;

    color: var(--text-secondary);

    font-size: 15px;
    line-height: 1.9;
}


/* =========================================
   FEATURE LIST
========================================= */

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;

    margin-top: 30px;
}

.feature-item {
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 18px;

    padding: 22px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid var(--border);
    border-radius: 15px;

    transition:
        border-color 0.25s ease,
        transform 0.25s ease;
}

.feature-item:hover {
    transform: translateX(4px);
    border-color: rgba(77, 184, 255, 0.25);
}

.feature-item > span {
    color: var(--blue-light);

    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.feature-item h3 {
    margin: 0 0 7px;

    color: var(--text-main);

    font-size: 16px;
}

.feature-item p {
    margin: 0;

    color: var(--text-secondary);

    font-size: 13px;
    line-height: 1.7;
}


/* =========================================
   DETAIL SIDEBAR
========================================= */

.project-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;

    position: sticky;
    top: 105px;
}

.detail-card {
    padding: 23px;

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.04),
            rgba(255, 255, 255, 0.015)
        );

    border: 1px solid var(--border);
    border-radius: 17px;
}

.detail-card h3 {
    margin: 0 0 20px;

    color: var(--text-main);

    font-size: 16px;
}


/* =========================================
   DETAIL INFORMATION
========================================= */

.detail-row {
    display: flex;
    justify-content: space-between;
    gap: 15px;

    padding: 13px 0;

    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-row:first-of-type {
    padding-top: 0;
}

.detail-row:last-of-type {
    padding-bottom: 0;
    border-bottom: 0;
}

.detail-row span {
    color: var(--text-muted);
    font-size: 12px;
}

.detail-row strong {
    color: var(--text-secondary);

    font-size: 12px;
    text-align: right;
}


/* =========================================
   DETAIL TECHNOLOGIES
========================================= */

.detail-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.detail-tech span {
    padding: 7px 10px;

    background: rgba(22, 140, 255, 0.07);

    border: 1px solid rgba(77, 184, 255, 0.12);
    border-radius: 7px;

    color: var(--blue-light);

    font-size: 11px;
}


/* =========================================
   DETAIL LINKS
========================================= */

.detail-button {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;

    padding: 11px 14px;

    margin-top: 9px;

    border: 1px solid var(--border);
    border-radius: 9px;

    background: rgba(255, 255, 255, 0.025);

    color: var(--text-secondary);

    font-size: 12px;
    font-weight: 700;
    text-decoration: none;

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease;
}

.detail-button:hover {
    background: rgba(22, 140, 255, 0.08);

    border-color: rgba(77, 184, 255, 0.25);

    color: var(--blue-light);
}


/* =========================================
   HOSTING NOTE
========================================= */

.hosting-card {
    background:
        linear-gradient(
            145deg,
            rgba(22, 140, 255, 0.07),
            rgba(255, 255, 255, 0.015)
        );
}

.hosting-card p {
    margin: 13px 0 0;

    color: var(--text-secondary);

    font-size: 12px;
    line-height: 1.7;
}


/* =========================================
   DETAIL RESPONSIVE
========================================= */

@media (max-width: 900px) {

    .project-detail-header {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .project-detail-status {
        width: fit-content;
    }

    .project-detail-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .project-detail-sidebar {
        position: static;
    }

}

@media (max-width: 600px) {

    .project-detail-hero {
        padding: 110px 0 60px;
    }

    .back-link {
        margin-bottom: 32px;
    }

    .project-detail-description {
        font-size: 16px;
    }

    .project-detail-image {
        min-height: 260px;
        border-radius: 18px;
    }

    .project-detail-section {
        margin-top: 50px;
    }

    .feature-item {
        grid-template-columns: 35px 1fr;
        padding: 18px;
    }

}


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

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 70px;
    align-items: center;
}

.about-main > p:not(.eyebrow) {
    max-width: 720px;

    margin: 0 0 20px;

    color: var(--text-secondary);

    font-size: 15px;
    line-height: 1.9;
}

.about-main .section-title {
    margin-bottom: 28px;
}


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

.about-card {
    padding: 32px;

    background:
        linear-gradient(
            145deg,
            rgba(22, 140, 255, 0.08),
            rgba(255, 255, 255, 0.018)
        );

    border: 1px solid rgba(77, 184, 255, 0.15);
    border-radius: 22px;

    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.2);
}

.about-card-mark {
    width: 76px;
    height: 76px;

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

    margin-bottom: 25px;

    border-radius: 20px;

    background: rgba(22, 140, 255, 0.10);

    border: 1px solid rgba(77, 184, 255, 0.22);

    color: var(--blue-light);

    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.04em;

    box-shadow:
        0 0 35px rgba(22, 140, 255, 0.08);
}

.about-card h3 {
    margin: 0 0 8px;

    color: var(--text-main);

    font-size: 24px;
}

.about-card > p {
    margin: 0;

    color: var(--text-muted);

    font-size: 13px;
}

.about-divider {
    height: 1px;

    margin: 25px 0;

    background: var(--border);
}


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

.about-facts {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.about-facts div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.about-facts span {
    color: var(--text-muted);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.about-facts strong {
    color: var(--text-secondary);

    font-size: 13px;
}


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

.about-principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;

    margin-top: 45px;
}

.about-principle {
    padding: 28px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid var(--border);
    border-radius: 18px;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease;
}

.about-principle:hover {
    transform: translateY(-5px);

    border-color: rgba(77, 184, 255, 0.28);
}

.about-principle > span {
    display: block;

    margin-bottom: 24px;

    color: var(--blue-light);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 0.12em;
}

.about-principle h3 {
    margin: 0 0 12px;

    color: var(--text-main);

    font-size: 20px;
}

.about-principle p {
    margin: 0;

    color: var(--text-secondary);

    font-size: 14px;
    line-height: 1.75;
}


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

@media (max-width: 900px) {

    .about-layout {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .about-card {
        max-width: 600px;
    }

    .about-principles {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 600px) {

    .about-card {
        padding: 25px;
        border-radius: 18px;
    }

    .about-principle {
        padding: 24px;
    }

}


/* =========================================
   TECHNOLOGIES / STACK PAGE
========================================= */

.stack-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-top: 45px;
}

.stack-card {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 20px;
    align-items: start;

    padding: 26px;

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.045),
            rgba(255, 255, 255, 0.015)
        );

    border: 1px solid var(--border);
    border-radius: 18px;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.stack-card:hover {
    transform: translateY(-5px);

    border-color: rgba(77, 184, 255, 0.28);

    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.2);
}


/* =========================================
   STACK ICON
========================================= */

.stack-icon {
    width: 64px;
    height: 64px;

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

    border-radius: 17px;

    background: rgba(22, 140, 255, 0.08);

    border: 1px solid rgba(77, 184, 255, 0.18);

    color: var(--blue-light);

    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.05em;

    box-shadow:
        0 0 30px rgba(22, 140, 255, 0.06);
}

.stack-card h3 {
    margin: 1px 0 5px;

    color: var(--text-main);

    font-size: 20px;
}

.stack-card span {
    color: var(--blue-light);

    font-size: 11px;
    font-weight: 700;

    letter-spacing: 0.04em;
}

.stack-card p {
    margin: 13px 0 0;

    color: var(--text-secondary);

    font-size: 13px;
    line-height: 1.7;
}


/* =========================================
   INTEGRATIONS
========================================= */

.integration-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;

    margin-top: 40px;
}

.integration-card {
    padding: 23px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid var(--border);
    border-radius: 15px;

    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        background 0.25s ease;
}

.integration-card:hover {
    transform: translateY(-4px);

    background: rgba(22, 140, 255, 0.04);

    border-color: rgba(77, 184, 255, 0.25);
}

.integration-card strong {
    display: block;

    margin-bottom: 7px;

    color: var(--text-main);

    font-size: 15px;
}

.integration-card span {
    color: var(--text-muted);

    font-size: 11px;
}


/* =========================================
   STACK RESPONSIVE
========================================= */

@media (max-width: 900px) {

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

}

@media (max-width: 700px) {

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

}

@media (max-width: 500px) {

    .stack-card {
        grid-template-columns: 52px 1fr;
        gap: 15px;

        padding: 21px;
    }

    .stack-icon {
        width: 52px;
        height: 52px;

        border-radius: 14px;

        font-size: 12px;
    }

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

}


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

.contact-section {
    padding-top: 20px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 70px;
    align-items: start;
}

.contact-info h2 {
    margin: 12px 0 20px;
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.contact-info h2 span,
.contact-card h3 span {
    color: var(--blue-light);
}

.contact-info > p:not(.eyebrow) {
    max-width: 600px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 35px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;

    padding: 17px 19px;

    background: rgba(255, 255, 255, 0.025);
    border: 1px solid var(--border);
    border-radius: 16px;

    text-decoration: none;

    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        background 0.25s ease;
}

.contact-method:hover {
    transform: translateX(5px);
    background: rgba(22, 140, 255, 0.035);
    border-color: rgba(77, 184, 255, 0.25);
}

.contact-method-icon {
    width: 48px;
    height: 48px;

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

    flex-shrink: 0;

    border-radius: 14px;

    background: rgba(22, 140, 255, 0.08);
    border: 1px solid rgba(77, 184, 255, 0.16);

    color: var(--blue-light);

    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.contact-method strong {
    display: block;
    margin-bottom: 4px;

    color: var(--text-main);
    font-size: 14px;
}

.contact-method span {
    color: var(--text-secondary);
    font-size: 12px;
}

.contact-card {
    padding: 34px;

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.045),
            rgba(255, 255, 255, 0.015)
        );

    border: 1px solid var(--border);
    border-radius: 22px;

    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.22);
}

.contact-card h3 {
    margin: 12px 0 25px;

    color: var(--text-main);

    font-size: 27px;
    line-height: 1.2;
}

.contact-topics {
    display: grid;
    gap: 10px;
}

.contact-topics div {
    padding: 13px 15px;

    background: rgba(255, 255, 255, 0.025);

    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 11px;

    color: var(--text-secondary);

    font-size: 13px;

    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}

.contact-topics div:hover {
    transform: translateX(4px);
    border-color: rgba(77, 184, 255, 0.2);
}

.contact-email-btn {
    width: 100%;
    margin-top: 25px;
    text-align: center;
}


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

@media (max-width: 850px) {

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

}

@media (max-width: 500px) {

    .contact-card {
        padding: 24px;
        border-radius: 18px;
    }

    .contact-method {
        padding: 15px;
    }

    .contact-method-icon {
        width: 44px;
        height: 44px;
    }

}