/* ========================================
           GRUNDLAGEN
        ======================================== */

        :root {
            --primary: #4d7fb7;
            --primary-dark: #38689d;
            --dark: #18222d;
            --text: #43505c;
            --light: #f5f7f9;
            --white: #ffffff;
            --border: #e4e9ee;
            --radius: 18px;
            --shadow: 0 12px 35px rgba(24, 34, 45, 0.08);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family:
                -apple-system,
                BlinkMacSystemFont,
                "Segoe UI",
                Roboto,
                Helvetica,
                Arial,
                sans-serif;

            color: var(--text);
            background: var(--white);
            line-height: 1.6;
        }

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

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

        .container {
            width: min(1120px, calc(100% - 40px));
            margin: 0 auto;
        }


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

        header {
            position: sticky;
            top: 0;
            z-index: 1000;

            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);

            border-bottom: 1px solid rgba(228, 233, 238, 0.8);
        }

        .nav {
            min-height: 82px;

            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .logo {
            width: 165px;
            height: auto;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;

            list-style: none;
        }

        .nav-links a {
            position: relative;

            color: var(--dark);
            font-size: 15px;
            font-weight: 500;

            transition: color 0.2s ease;
        }

        .nav-links a::after {
            content: "";

            position: absolute;
            left: 0;
            bottom: -7px;

            width: 0;
            height: 2px;

            background: var(--primary);

            transition: width 0.2s ease;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

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

        .nav-button {
            padding: 11px 19px;

            color: var(--white) !important;
            background: var(--primary);

            border-radius: 50px;
        }

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

        .nav-button:hover {
            background: var(--primary-dark);
        }


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

        .menu-toggle {
            display: none;

            width: 44px;
            height: 44px;

            border: 0;
            background: transparent;

            cursor: pointer;
        }

        .menu-toggle span {
            display: block;

            width: 24px;
            height: 2px;

            margin: 5px auto;

            background: var(--dark);

            transition: 0.2s ease;
        }


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

        .hero {
            min-height: 650px;

            display: flex;
            align-items: center;

            background:
                radial-gradient(
                    circle at 80% 30%,
                    rgba(77, 127, 183, 0.16),
                    transparent 30%
                ),
                linear-gradient(
                    135deg,
                    #ffffff 0%,
                    #f4f8fb 100%
                );
        }

        .hero-content {
            max-width: 760px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;

            margin-bottom: 20px;

            color: var(--primary);

            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";

            width: 28px;
            height: 2px;

            background: var(--primary);
        }

        .hero h1 {
            max-width: 850px;

            margin-bottom: 24px;

            color: var(--dark);

            font-size: clamp(42px, 7vw, 78px);
            line-height: 1.02;
            letter-spacing: -0.045em;
        }

        .hero h1 span {
            color: var(--primary);
        }

        .hero p {
            max-width: 650px;

            margin-bottom: 34px;

            font-size: 19px;
            color: #65727e;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

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

            min-height: 50px;
            padding: 0 24px;

            border-radius: 50px;

            font-size: 15px;
            font-weight: 600;

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

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

        .button-primary {
            color: var(--white);
            background: var(--primary);
        }

        .button-primary:hover {
            background: var(--primary-dark);
        }

        .button-secondary {
            color: var(--dark);
            background: var(--white);
            border: 1px solid var(--border);
        }

        .button-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }


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

        section {
            padding: 100px 0;
        }

        .section-header {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;

            margin-bottom: 45px;
        }

        .section-header h2 {
            color: var(--dark);

            font-size: clamp(32px, 5vw, 48px);
            line-height: 1.1;
            letter-spacing: -0.03em;
        }

        .section-header p {
            max-width: 470px;
            color: #73808b;
        }


        /* ========================================
           AUDIO GRID
        ======================================== */

        .audio-section {
            background: var(--light);
        }

        .audio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .audio-card {
            overflow: hidden;

            background: var(--white);

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

            box-shadow: var(--shadow);

            transition:
                transform 0.25s ease,
                box-shadow 0.25s ease;
        }

        .audio-card:hover {
            transform: translateY(-6px);

            box-shadow:
                0 20px 45px rgba(24, 34, 45, 0.12);
        }

        .thumbnail {
            position: relative;

            aspect-ratio: 16 / 10;

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

            overflow: hidden;

            background:
                linear-gradient(
                    135deg,
                    #315e91,
                    #77a1cc
                );

            cursor:pointer;
        }

        .thumbnail::before {
            content: "";

            position: absolute;

            width: 180px;
            height: 180px;

            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 50%;
        }

        .thumbnail::after {
            content: "";

            position: absolute;

            width: 110px;
            height: 110px;

            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 50%;
        }

        .play-icon {
            position: relative;
            z-index: 2;

            width: 62px;
            height: 62px;

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

            padding-left: 4px;

            color: var(--primary);
            background: var(--white);

            border-radius: 50%;

            font-size: 22px;

            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        .audio-content {
            padding: 24px;
        }

        .audio-category {
            margin-bottom: 6px;

            color: var(--primary);

            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        .audio-content h3 {
            margin-bottom: 8px;

            color: var(--dark);

            font-size: 21px;
        }

        .audio-content p {
            margin-bottom: 18px;

            color: #7a8691;
            font-size: 14px;
        }

        audio {
            width: 100%;
            height: 42px;
        }


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

        .about {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;

            align-items: center;
        }

        .about h2 {
            margin-bottom: 22px;

            color: var(--dark);

            font-size: clamp(32px, 5vw, 48px);
            line-height: 1.1;
        }

        .about p {
            margin-bottom: 18px;
            color: #6f7b86;
        }

        .about-box {
            padding: 45px;

            background: var(--light);

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

        .about-box strong {
            display: block;

            margin-bottom: 10px;

            color: var(--dark);
            font-size: 22px;
        }


        /* ========================================
           CTA
        ======================================== */

        .cta {
            padding-top: 0;
        }

        .cta-box {
            padding: 65px;

            text-align: center;

            background: var(--dark);

            border-radius: 24px;
        }

        .cta-box h2 {
            margin-bottom: 15px;

            color: var(--white);

            font-size: clamp(30px, 5vw, 46px);
            line-height: 1.1;
        }

        .cta-box p {
            max-width: 600px;

            margin: 0 auto 28px;

            color: #b8c2cc;
        }


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

        footer {
            padding: 35px 0;

            background: #111a22;

            color: #9ca8b3;
        }

        .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .footer-logo {
            width: 120px;

            filter: brightness(0) invert(1);
            opacity: 0.85;
        }

        .footer-links {
            display: flex;
            gap: 25px;

            list-style: none;

            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--white);
        }


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

        @media (max-width: 900px) {

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

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

            .section-header {
                display: block;
            }

            .section-header p {
                margin-top: 15px;
            }
        }


        @media (max-width: 700px) {

            .container {
                width: min(100% - 30px, 1120px);
            }

            .nav {
                min-height: 72px;
            }

            .logo {
                width: 140px;
            }

            .menu-toggle {
                display: block;
            }

            .nav-links {
                position: absolute;

                top: 72px;
                left: 15px;
                right: 15px;

                display: none;
                flex-direction: column;
                align-items: stretch;

                padding: 20px;

                background: var(--white);

                border: 1px solid var(--border);
                border-radius: 16px;

                box-shadow: var(--shadow);
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links a {
                display: block;
                padding: 8px 5px;
            }

            .nav-button {
                text-align: center;
            }

            .hero {
                min-height: 600px;
            }

            section {
                padding: 70px 0;
            }

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

            .cta-box {
                padding: 40px 25px;
            }

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

            .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }


        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                transition: none !important;
            }
        }