:root {
    --bg: #07111f;
    --bg-soft: #0b192b;
    --bg-card: rgba(255, 255, 255, 0.055);

    --text: #f4f7fb;
    --muted: #94a5b8;

    --blue: #1db0ff;
    --blue-dark: #1268ff;
    --purple: #7868ff;

    --border: rgba(255, 255, 255, 0.10);

    --container: 1180px;
    --radius: 20px;
}


/* RESET */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-height: 100vh;

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text);

    background:
        radial-gradient(
            circle at 10% 0%,
            rgba(29, 176, 255, 0.14),
            transparent 32%
        ),
        radial-gradient(
            circle at 90% 20%,
            rgba(120, 104, 255, 0.10),
            transparent 28%
        ),
        var(--bg);

    line-height: 1.6;

    overflow-x: hidden;
}

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

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

button,
input,
textarea {
    font-family: inherit;
}

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


/* HEADER */

.site-header {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: 1000;

    background: rgba(7, 17, 31, 0.86);

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

    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    min-height: 78px;

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

    gap: 30px;
}


/* LOGO */

.brand {
    width: 220px;
    max-width: 40vw;

    display: flex;
    align-items: center;
}

.brand img {
    width: 100%;
    height: 48px;

    object-fit: contain;
    object-position: left center;
}


/* NAVIGATION */

.main-nav {
    display: flex;
    align-items: center;

    gap: 28px;

    color: var(--muted);

    font-size: 0.93rem;
    font-weight: 650;
}

.main-nav a {
    transition:
        color 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}

.main-nav a:hover {
    color: white;
}

.nav-button {
    color: white !important;

    padding: 9px 16px;

    border-radius: 10px;

    border: 1px solid rgba(29, 176, 255, 0.35);

    background: rgba(29, 176, 255, 0.05);
}

.nav-button:hover {
    background: rgba(29, 176, 255, 0.12);
}


/* HERO */

.hero {
    min-height: 100vh;

    display: flex;
    align-items: center;

    padding: 150px 0 100px;
}

.hero-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 900px)
        1fr;

    align-items: center;
}

.hero-content {
    max-width: 850px;
}

.eyebrow {
    display: inline-flex;

    align-items: center;

    margin-bottom: 24px;

    padding: 7px 13px;

    border-radius: 999px;

    border: 1px solid rgba(29, 176, 255, 0.25);

    background: rgba(29, 176, 255, 0.07);

    color: #90d8ff;

    font-size: 0.78rem;
    font-weight: 800;

    letter-spacing: 0.10em;
}

.hero h1 {
    max-width: 920px;

    margin-bottom: 28px;

    font-size: clamp(3.4rem, 8vw, 7.2rem);

    line-height: 0.95;

    letter-spacing: -0.065em;
}

.hero h1 span {
    display: block;

    margin-top: 10px;

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

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

    color: transparent;
}

.hero p {
    max-width: 700px;

    margin-bottom: 36px;

    color: var(--muted);

    font-size: clamp(1.05rem, 2vw, 1.23rem);
}


/* BUTTONS */

.hero-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 13px;
}

.button {
    min-height: 51px;

    padding: 0 22px;

    display: inline-flex;

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

    border-radius: 12px;

    border: 0;

    cursor: pointer;

    font-weight: 750;

    transition:
        transform 0.20s ease,
        box-shadow 0.20s ease,
        background 0.20s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    background:
        linear-gradient(
            135deg,
            var(--blue),
            var(--purple)
        );

    color: white;

    box-shadow:
        0 14px 34px
        rgba(29, 176, 255, 0.18);
}

.button-primary:hover {
    box-shadow:
        0 18px 42px
        rgba(29, 176, 255, 0.26);
}

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

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

.button-secondary:hover {
    background:
        rgba(255, 255, 255, 0.07);
}


/* SECTIONS */

.section {
    padding: 105px 0;
}

.section-alt {
    background:
        rgba(255, 255, 255, 0.018);

    border-top:
        1px solid rgba(255, 255, 255, 0.04);

    border-bottom:
        1px solid rgba(255, 255, 255, 0.04);
}

.section-heading {
    max-width: 760px;

    margin-bottom: 45px;
}

.section-label {
    margin-bottom: 9px;

    color: var(--blue);

    text-transform: uppercase;

    letter-spacing: 0.15em;

    font-size: 0.75rem;
    font-weight: 850;
}

.section-heading h2,
.contact-card h2 {
    margin-bottom: 18px;

    font-size: clamp(2.2rem, 5vw, 3.8rem);

    line-height: 1.05;

    letter-spacing: -0.045em;
}

.section-heading p,
.contact-card p {
    color: var(--muted);

    font-size: 1.04rem;
}


/* SERVICES */

.service-grid {
    display: grid;

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

    gap: 18px;
}

.service-card {
    min-height: 285px;

    padding: 32px;

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

    border-radius: var(--radius);

    background: var(--bg-card);

    transition:
        transform 0.24s ease,
        border-color 0.24s ease,
        background 0.24s ease;
}

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

    border-color:
        rgba(29, 176, 255, 0.30);

    background:
        rgba(255, 255, 255, 0.075);
}

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

    margin-bottom: 26px;

    display: grid;
    place-items: center;

    border-radius: 15px;

    background:
        linear-gradient(
            135deg,
            rgba(29, 176, 255, 0.22),
            rgba(120, 104, 255, 0.16)
        );

    font-size: 1.25rem;
    font-weight: 850;
}

.service-card h3 {
    margin-bottom: 11px;

    font-size: 1.25rem;
}

.service-card p {
    color: var(--muted);

    font-size: 0.96rem;
}


/* PORTFOLIO */

.portfolio-card {
    min-height: 330px;

    padding: 50px;

    border:
        1px solid
        rgba(255, 255, 255, 0.10);

    border-radius:
        calc(var(--radius) + 2px);

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

.portfolio-project {
    display: grid;

    grid-template-columns:
        minmax(0, 1.15fr)
        minmax(260px, 0.85fr);

    gap: 70px;

    align-items: center;

    text-align: left;
}

.project-info {
    min-width: 0;
}

.project-tags,
.project-tech {
    display: flex;
    flex-wrap: wrap;

    gap: 8px;
}

.project-tags {
    margin-bottom: 20px;
}

.project-tags span {
    padding: 6px 10px;

    border-radius: 999px;

    background:
        rgba(29, 176, 255, 0.08);

    border:
        1px solid
        rgba(29, 176, 255, 0.20);

    color: #92dcff;

    font-size: 0.75rem;
    font-weight: 700;
}

.portfolio-project h3 {
    margin-bottom: 18px;

    font-size: clamp(2rem, 4vw, 3rem);

    letter-spacing: -0.04em;

    line-height: 1.1;
}

.project-lead {
    margin-bottom: 14px;

    color: #d6e2ee !important;

    font-size: 1.05rem;
}

.project-info > p:not(.project-lead) {
    color: var(--muted);
}

.project-tech {
    margin-top: 25px;
}

.project-tech span {
    padding: 7px 11px;

    border-radius: 8px;

    background:
        rgba(255, 255, 255, 0.055);

    color: #b7c7d8;

    font-size: 0.78rem;
    font-weight: 650;
}

.project-status {
    display: flex;
    align-items: center;

    gap: 8px;

    margin-top: 25px;

    color: var(--muted);

    font-size: 0.85rem;
}

.status-dot {
    width: 8px;
    height: 8px;

    flex: 0 0 auto;

    border-radius: 50%;

    background: #35d98b;

    box-shadow:
        0 0 12px
        rgba(53, 217, 139, 0.6);
}


/* PHONE MOCKUP */

.project-preview {
    display: flex;

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

    min-width: 0;
}

.phone-mockup {
    position: relative;

    width: 245px;

    padding: 9px;

    border-radius: 35px;

    background: #02070d;

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

    box-shadow:
        0 35px 80px
        rgba(0, 0, 0, 0.40),
        0 0 50px
        rgba(29, 176, 255, 0.08);
}

.phone-mockup::before {
    content: "";

    position: absolute;

    top: 16px;
    left: 50%;

    transform: translateX(-50%);

    width: 70px;
    height: 18px;

    border-radius: 20px;

    background: #02070d;

    z-index: 2;
}

.phone-screen {
    min-height: 475px;

    padding:
        55px
        17px
        20px;

    border-radius: 27px;

    overflow: hidden;

    background:
        radial-gradient(
            circle at top,
            rgba(29, 176, 255, 0.16),
            transparent 35%
        ),
        linear-gradient(
            180deg,
            #0c2239,
            #081525
        );
}

.mock-logo {
    margin-bottom: 35px;

    text-align: center;

    font-size: 1.25rem;
    font-weight: 850;
}

.mock-logo span {
    color: var(--blue);
}

.mock-item {
    margin-bottom: 11px;

    padding: 15px 13px;

    border-radius: 11px;

    background:
        rgba(255, 255, 255, 0.06);

    border:
        1px solid
        rgba(255, 255, 255, 0.07);

    font-size: 0.82rem;
    font-weight: 650;
}

.mock-item.alert {
    border-color:
        rgba(29, 176, 255, 0.25);

    background:
        rgba(29, 176, 255, 0.09);
}


/* PROCESS */

.process-grid {
    display: grid;

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

    gap: 18px;
}

.process-card {
    position: relative;

    padding: 28px 26px 26px;

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

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

.process-card:hover {
    transform: translateY(-3px);

    border-color:
        rgba(29, 176, 255, 0.30);
}

.process-number {
    display: inline-block;

    margin-bottom: 14px;

    color: var(--blue);

    font-size: 0.8rem;
    font-weight: 850;
}

.process-card h3 {
    margin-bottom: 8px;

    font-size: 1.15rem;
}

.process-card p {
    color: var(--muted);

    font-size: 0.92rem;
}


/* CONTACT */

.contact-section {
    padding-top: 90px;
}

.contact-card {
    padding: 58px;

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

    border-radius: 28px;

    background:
        linear-gradient(
            135deg,
            rgba(29, 176, 255, 0.12),
            rgba(120, 104, 255, 0.10)
        ),
        rgba(255, 255, 255, 0.025);
}

.contact-form-card {
    display: grid;

    grid-template-columns:
        minmax(0, 0.85fr)
        minmax(0, 1.15fr);

    align-items: start;

    gap: 55px;
}

.contact-copy {
    max-width: 620px;
}


/* FORM */

.contact-form {
    display: flex;

    flex-direction: column;

    gap: 18px;
}

.form-row {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    gap: 16px;
}

.contact-form label {
    display: flex;

    flex-direction: column;

    gap: 8px;

    color: #dbe7f2;

    font-size: 0.9rem;
    font-weight: 650;
}

.contact-form input,
.contact-form textarea {
    width: 100%;

    padding: 13px 14px;

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

    border-radius: 11px;

    background:
        rgba(0, 0, 0, 0.16);

    color: white;

    font-size: 1rem;

    outline: none;

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

.contact-form input:focus,
.contact-form textarea:focus {
    border-color:
        rgba(29, 176, 255, 0.55);

    box-shadow:
        0 0 0 3px
        rgba(29, 176, 255, 0.08);

    background:
        rgba(0, 0, 0, 0.22);
}

.contact-form textarea {
    min-height: 160px;

    resize: vertical;
}

.contact-form .button {
    align-self: flex-start;
}

.form-honeypot {
    position: absolute !important;

    left: -9999px !important;

    opacity: 0 !important;
}


/* FORM MESSAGES */

.form-message {
    margin-top: 22px;

    padding: 13px 15px;

    border-radius: 11px;

    font-size: 0.9rem;
}

.form-message.success {
    background:
        rgba(53, 217, 139, 0.10);

    border:
        1px solid
        rgba(53, 217, 139, 0.25);

    color: #9af2c8;
}

.form-message.error {
    background:
        rgba(255, 95, 95, 0.08);

    border:
        1px solid
        rgba(255, 95, 95, 0.22);

    color: #ffb0b0;
}


/* FOOTER */

.site-footer {
    padding: 32px 0;

    border-top:
        1px solid
        rgba(255, 255, 255, 0.07);

    color: #6d8095;

    font-size: 0.88rem;
}

.footer-inner {
    display: flex;

    justify-content: space-between;

    gap: 20px;

    flex-wrap: wrap;
}


/* TABLETS */

@media (max-width: 900px) {

    .main-nav {
        display: none;
    }

    .brand {
        width: 200px;
        max-width: 65vw;
    }

    .hero {
        min-height: auto;

        padding:
            150px 0
            90px;
    }

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

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

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

    .portfolio-project {
        grid-template-columns: 1fr;

        gap: 45px;
    }

    .project-preview {
        order: -1;
    }

    .contact-form-card {
        grid-template-columns: 1fr;

        gap: 35px;
    }

}


/* MOBILE */

@media (max-width: 560px) {

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

    .header-inner {
        min-height: 70px;
    }

    .brand {
        width: 175px;
    }

    .brand img {
        height: 40px;
    }

    .hero {
        padding:
            125px 0
            70px;
    }

    .hero h1 {
        font-size: 3.15rem;
    }

    .hero-actions {
        flex-direction: column;

        align-items: stretch;
    }

    .button {
        width: 100%;
    }

    .section {
        padding: 75px 0;
    }

    .service-card {
        padding: 26px;
    }

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

    .process-card {
        padding:
            24px
            10px
            24px;
    }

    .portfolio-card {
        padding: 32px 22px;
    }

    .portfolio-project {
        gap: 35px;
    }

    .phone-mockup {
        width: 210px;
    }

    .phone-screen {
        min-height: 405px;

        padding:
            50px
            14px
            18px;
    }

    .mock-item {
        padding: 12px 11px;
    }

    .contact-card {
        padding: 36px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form .button {
        width: 100%;
    }

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

}
/* =========================================================
   OCHRANA OSOBNÍCH ÚDAJŮ
   ========================================================= */

.privacy-section {
    padding: 140px 0 100px;
    min-height: 70vh;
}

.privacy-container {
    max-width: 900px;
}

.privacy-section .section-label {
    display: inline-block;
    margin-bottom: 18px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #35c7ff;
}

.privacy-section h1 {
    margin: 0 0 22px;
    font-size: clamp(2.3rem, 5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.privacy-intro {
    max-width: 720px;
    margin-bottom: 48px;
    font-size: 1.12rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.68);
}

.privacy-content {
    padding: 42px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.055),
            rgba(255, 255, 255, 0.02)
        );
    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.2);
}

.privacy-content h2 {
    margin: 42px 0 14px;
    font-size: 1.35rem;
    line-height: 1.3;
    color: #ffffff;
}

.privacy-content h2:first-child {
    margin-top: 0;
}

.privacy-content p {
    margin: 0 0 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.privacy-content strong {
    color: #ffffff;
}

.privacy-content a {
    color: #46cfff;
    text-decoration: none;
    transition:
        color 0.2s ease,
        opacity 0.2s ease;
}

.privacy-content a:hover {
    color: #7bdcff;
}

.privacy-content ul {
    margin: 0 0 24px;
    padding-left: 24px;
}

.privacy-content li {
    margin-bottom: 10px;
    padding-left: 4px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

.privacy-content li::marker {
    color: #35c7ff;
}


/* =========================================================
   TEXT POD KONTAKTNÍM FORMULÁŘEM
   ========================================================= */

.form-privacy {
    margin: 16px 0 0;
    font-size: 0.78rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.45);
}

.form-privacy a {
    color: rgba(82, 207, 255, 0.85);
    text-decoration: none;
}

.form-privacy a:hover {
    color: #ffffff;
}


/* =========================================================
   PATIČKA - ODKAZY
   ========================================================= */

.footer-inner a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-inner a:hover {
    color: #ffffff;
}

.footer-inner span {
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.25);
}


/* =========================================================
   MOBIL
   ========================================================= */

@media (max-width: 768px) {

    .privacy-section {
        padding: 110px 0 70px;
    }

    .privacy-section h1 {
        font-size: 2.3rem;
    }

    .privacy-intro {
        margin-bottom: 32px;
        font-size: 1rem;
    }

    .privacy-content {
        padding: 28px 22px;
        border-radius: 18px;
    }

    .privacy-content h2 {
        margin-top: 34px;
        font-size: 1.18rem;
    }

    .privacy-content p,
    .privacy-content li {
        font-size: 0.95rem;
    }

    .footer-inner {
        gap: 12px;
        flex-direction: column;
        text-align: center;
    }
}