/* =========================================================
   HEADER – Egen fil som kan brukes på alle sider
   ========================================================= */

:root {
    --header-bg: rgba(8, 10, 20, 0.6);
    --header-text: #ffffff;
    --header-text-muted: rgba(255, 255, 255, 0.75);
    --header-accent: #5b8cff;
    --header-border: rgba(255, 255, 255, 0.08);
    --header-cta-border: rgba(91, 140, 255, 0.4);
    --header-cta-bg: rgba(91, 140, 255, 0.05);
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 18px 48px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    transition: padding 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
    padding: 12px 48px;
    background: rgba(4, 6, 13, 0.85);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.site-header__inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* =========================================================
   LOGO
   – Stor logo som smelter inn i bakgrunnen (ingen tekst,
     da logoen allerede inneholder "NORDPAIR"-teksten)
   ========================================================= */
.site-header__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--header-text);
    flex-shrink: 0;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.site-header__logo img {
    /* Stor størrelse slik at både ikon og tekst er tydelig */
    height: 78px;
    width: auto;
    display: block;

    /* Glatt overgang mot bakgrunnen */
    mix-blend-mode: screen;

    /* Subtil maske som fader kantene mot transparent
       slik at bildet ikke ser ut som en boks "limt på" */
    -webkit-mask-image: radial-gradient(ellipse 95% 88% at center,
                                        rgba(0,0,0,1) 55%,
                                        rgba(0,0,0,0.85) 75%,
                                        rgba(0,0,0,0) 100%);
            mask-image: radial-gradient(ellipse 95% 88% at center,
                                        rgba(0,0,0,1) 55%,
                                        rgba(0,0,0,0.85) 75%,
                                        rgba(0,0,0,0) 100%);

    /* Litt ekstra glød så logoen blir levende */
    filter: drop-shadow(0 0 24px rgba(91, 140, 255, 0.35));
}

.site-header__logo:hover {
    transform: scale(1.04);
}

.site-header__logo:hover img {
    filter: drop-shadow(0 0 32px rgba(91, 140, 255, 0.6));
}

.site-header.is-scrolled .site-header__logo img {
    height: 64px;
}

/* =========================================================
   NAVIGASJON
   ========================================================= */
.site-header__nav {
    display: flex;
    align-items: center;
    gap: 44px;
    flex: 1;
    justify-content: center;
}

.site-header__link {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 400;
    color: var(--header-text-muted);
    text-decoration: none;
    transition: color 0.25s ease;
    position: relative;
    padding: 4px 0;
}

.site-header__link:hover {
    color: var(--header-text);
}

.site-header__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--header-accent);
    transition: width 0.3s ease;
}

.site-header__link:hover::after {
    width: 100%;
}

/* =========================================================
   CTA-KNAPP
   ========================================================= */
.site-header__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 999px;
    border: 1px solid var(--header-cta-border);
    background: var(--header-cta-bg);
    color: var(--header-text);
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.site-header__cta:hover {
    background: rgba(91, 140, 255, 0.15);
    border-color: var(--header-accent);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(91, 140, 255, 0.2);
}

.site-header__cta svg {
    transition: transform 0.3s ease;
}

.site-header__cta:hover svg {
    transform: translateX(3px);
}

/* Liten blå indikator-prikk */
.site-header__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--header-accent);
    box-shadow: 0 0 12px rgba(91, 140, 255, 0.8);
    flex-shrink: 0;
    animation: header-pulse 2.4s ease-in-out infinite;
}

@keyframes header-pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

/* =========================================================
   RESPONSIV
   ========================================================= */
@media (max-width: 1100px) {
    .site-header {
        padding: 14px 32px;
    }
    .site-header.is-scrolled {
        padding: 10px 32px;
    }
    .site-header__nav {
        gap: 28px;
    }
    .site-header__link {
        font-size: 14px;
    }
    .site-header__logo img {
        height: 64px;
    }
    .site-header.is-scrolled .site-header__logo img {
        height: 54px;
    }
}

@media (max-width: 900px) {
    .site-header__nav {
        display: none;
    }
    .site-header__inner {
        justify-content: space-between;
    }
}

@media (max-width: 600px) {
    .site-header {
        padding: 10px 20px;
    }
    .site-header.is-scrolled {
        padding: 8px 20px;
    }
    .site-header__cta span {
        display: none;
    }
    .site-header__cta {
        padding: 10px;
    }
    .site-header__logo img {
        height: 54px;
    }
    .site-header.is-scrolled .site-header__logo img {
        height: 46px;
    }
}