:root {
        --bg: #f5f5f7;
        --bg-alt: #ffffff;
        --text: #1f2933;
        --muted: #6b7280;
        --accent: #7c3aed;
        --accent-alt: #2563eb;
        --accent-soft: rgba(124, 58, 237, 0.08);
        --border-soft: #e5e7eb;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.12);
        --transition: 180ms ease-out;
    }

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

    body {
        font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        background: radial-gradient(circle at top, #eef2ff 0, #f5f5f7 40%);
        color: var(--text);
        line-height: 1.6;
    }

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

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

    .page {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    .container {
        width: 100%;
        max-width: 1120px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    /* HEADER */

    header {
        position: sticky;
        top: 0;
        z-index: 20;
        backdrop-filter: blur(14px);
        background: linear-gradient(to bottom,
                rgba(245, 245, 247, 0.96),
                rgba(245, 245, 247, 0.88));
        border-bottom: 1px solid rgba(209, 213, 219, 0.6);
    }

    header .container {
        position: relative;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.75rem 0;
        gap: 1rem;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 0.8rem;
    }

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

    .brand-mark {
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: radial-gradient(circle at 30% 30%, #e9d5ff, #7c3aed 60%, #4c1d95 100%);
        box-shadow: 0 6px 18px rgba(124, 58, 237, 0.5);
    }

    .brand-title {
        font-size: 1.5rem;
        /* veći font */
        font-weight: 700;
        letter-spacing: 0.03em;
        color: #7c3aed;
    }

    .brand-subtitle {
        font-size: 1rem;
        color: var(--muted);
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 1.4rem;
    }

    nav {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 1.5rem;
        font-size: 0.95rem;
        margin-bottom: 0.4rem;
    }

    .nav-link {
        position: relative;
        padding-bottom: 0.15rem;
        cursor: pointer;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        border-radius: 999px;
        background: var(--accent);
        transition: width var(--transition);
    }

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

    .nav-link.active {
        font-weight: 600;
        color: var(--accent);
    }

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

    .lang-switcher {
        display: flex;
        gap: 0.4rem;
        font-size: 0.85rem;
        padding-left: 0.75rem;
        border-left: 1px solid rgba(148, 163, 184, 0.6);
    }

    .lang-pill {
        padding: 0.12rem 0.55rem;
        border-radius: 999px;
        border: 1px solid transparent;
        cursor: pointer;
        background: transparent;
    }

    .lang-pill.active {
        border-color: rgba(148, 163, 184, 0.9);
        background: rgba(255, 255, 255, 0.9);
        box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.4);
    }

    .menu-toggle {
        border: none;
        background: transparent;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .menu-icon {
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 999px;
        background: var(--text);
        position: relative;
        transition: background var(--transition);
    }

    .menu-icon::before,
    .menu-icon::after {
        content: "";
        position: absolute;
        left: 0;
        width: 20px;
        height: 2px;
        border-radius: 999px;
        background: var(--text);
        transition: transform var(--transition);
    }

    .menu-icon::before {
        top: -6px;
    }

    .menu-icon::after {
        top: 6px;
    }

    .menu-toggle.open .menu-icon {
        background: transparent;
    }

    .menu-toggle.open .menu-icon::before {
        transform: translateY(6px) rotate(45deg);
    }

    .menu-toggle.open .menu-icon::after {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* HERO (IT tab) */

    .hero {
        padding: 1.0rem 0 2.5rem;
    }

    .hero-inner {
        display: grid;
        gap: 2.5rem;
    }

    .hero-kicker {
        text-transform: uppercase;
        letter-spacing: 0.18em;
        font-size: 0.75rem;
        color: var(--muted);
        margin-bottom: 0.75rem;
    }

    .hero-title {
        font-size: clamp(2.1rem, 3vw + 1rem, 3rem);
        line-height: 1.1;
        margin-bottom: 0.8rem;
    }

    .hero-title span {
        background: linear-gradient(90deg, #7c3aed, #2563eb);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .hero-subtitle {
        font-size: 1rem;
        color: var(--muted);
        max-width: 40rem;
        margin-bottom: 1.5rem;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        align-items: center;
    }

    .btn {
        border-radius: 999px;
        padding: 0.65rem 1.4rem;
        border: 1px solid transparent;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        cursor: pointer;
        background: transparent;
    }

    .btn-primary {
        background: linear-gradient(135deg, #7c3aed, #2563eb);
        color: white;
        box-shadow: var(--shadow-soft);
    }

    .btn-primary:hover {
        filter: brightness(1.05);
        transform: translateY(-1px);
    }

    .btn-ghost {
        border-color: rgba(148, 163, 184, 0.7);
        background: rgba(255, 255, 255, 0.7);
    }

    .hero-tagline {
        margin-top: 1.25rem;
        font-size: 0.9rem;
        color: var(--muted);
    }

    .hero-highlight {
        display: inline-block;
        background: var(--accent-soft);
        padding: 0.25rem 0.65rem;
        border-radius: 999px;
        font-size: 0.82rem;
        margin-top: 0.4rem;
        color: var(--accent);
    }

    .hero-card {
        border-radius: var(--radius-xl);
        background: radial-gradient(circle at top left, #ffffff, #ede9fe);
        padding: 1.75rem 1.5rem;
        box-shadow: var(--shadow-soft);
        border: 1px solid rgba(208, 213, 221, 0.7);
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 1rem;
    }

    .hero-card-title {
        font-weight: 600;
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }

    .hero-card-list {
        font-size: 0.9rem;
        color: var(--muted);
        list-style: none;
    }

    .hero-card-list li::before {
        content: "•";
        margin-right: 0.35rem;
        color: var(--accent);
    }

    /* SECTIONS */

    section {
        padding: 2.5rem 0;
    }

    .section-header {
        margin-bottom: 1.5rem;
    }

    .section-kicker {
        text-transform: uppercase;
        letter-spacing: 0.18em;
        font-size: 0.75rem;
        color: var(--muted);
        margin-bottom: 0.4rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 0.25rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        color: var(--muted);
        max-width: 34rem;
    }

    .services-grid {
        display: grid;
        gap: 1.5rem;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .card {
        background: var(--bg-alt);
        border-radius: var(--radius-lg);
        padding: 1.4rem 1.3rem;
        border: 1px solid var(--border-soft);
        box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .card p:last-of-type {
        margin-top: auto;
    }

    .card h3 {
        font-size: 1.05rem;
        margin-bottom: 0.3rem;
    }

    .card .btn {
        display: block;
        width: 100%;
        text-align: center;
    }

    .pill {
        display: inline-block;
        font-size: 0.78rem;
        padding: 0.1rem 0.6rem;
        border-radius: 999px;
        background: var(--accent-soft);
        color: var(--accent);
        margin-bottom: 0.35rem;
    }

    .card ul {
        list-style: none;
        font-size: 0.9rem;
        color: var(--muted);
        margin-top: 0.35rem;
    }

    .card ul li+li {
        margin-top: 0.25rem;
    }

    /* CONTACT */

    .contact-card {
        background: radial-gradient(circle at top left, #111827, #020617);
        color: #e5e7eb;
        border-radius: 20px;
        padding: 2rem 1.5rem;
        box-shadow: 0 20px 50px rgba(15, 23, 42, 0.9);
        display: grid;
        gap: 1.5rem;
    }

    .contact-title {
        font-size: 1.4rem;
        margin-bottom: 0.3rem;
    }

    .contact-subtitle {
        font-size: 0.95rem;
        color: #9ca3af;
        max-width: 30rem;
    }

    .contact-details {
        font-size: 0.95rem;
        display: grid;
        gap: 0.4rem;
    }

    .contact-details span {
        display: inline-block;
        min-width: 4.5rem;
        font-weight: 500;
    }

    .contact-row {
        display: flex;
        flex-wrap: wrap;
        gap: 0.35rem;
        align-items: baseline;
    }

    .contact-note {
        margin-top: 0.75rem;
        font-size: 0.85rem;
        color: #9ca3af;
    }

    footer {
        padding: 1.8rem 0 1.4rem;
        font-size: 0.8rem;
        color: var(--muted);
        text-align: center;
    }

    /* TAB LOGIKA */

    .section-hidden {
        display: none;
    }

    /* RESPONSIVE */

    @media (min-width: 768px) {
        .hero-inner {
            grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
            align-items: center;
        }

        .contact-card {
            grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
            align-items: center;
        }

        nav {
            position: static;
            background: transparent;
            border: none;
            padding: 0;
            flex-direction: row;
            display: flex;
        }

        .menu-toggle {
            display: none;
            /* na desktopu sakrij hamburger */
        }
    }

    @media (max-width: 767px) {
        nav {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(248, 250, 252, 0.97);
            border-bottom: 1px solid rgba(209, 213, 219, 0.9);
            padding: 0.75rem 1.5rem 1rem;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.75rem;
            display: none;
            /* default zatvoren meni */
        }

        nav.nav-open {
            display: flex;
        }

        .lang-switcher {
            border-left: none;
            padding-left: 0;
        }
    }