:root {
    --bg-color: #fdfdfd;
    --text-main: #1a1a1a;
    --text-muted: #666666;
    --card-border: #eaeaea;
    --card-bg: #f0f0f0;
    --accent-color: #4338ca;
    --accent-color-rgb: 67, 56, 202; 
    --accent-hover: #3730a3;
    --font-family: 'Helvetica Neue', Arial, sans-serif;
    --drip-color: #9333ea; 
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-main: #ededed;
    --text-muted: #a0a0a0;
    --card-border: #2a2a2a;
    --card-bg: #1e1e1e;
    --accent-color: #6366f1; 
    --accent-color-rgb: 99, 102, 241;
    --accent-hover: #818cf8;
    --drip-color: #d8b4fe;
}

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

body { 
    font-family: var(--font-family); 
    background-color: var(--bg-color); 
    color: var(--text-main); 
    line-height: 1.6; 
    transition: background-color 0.5s ease, color 0.5s ease; 
    -webkit-font-smoothing: antialiased; 
}

/* Canvas Lagsdeling */
#background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none; 
    z-index: 0;
}

#trail-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none; 
    z-index: 1; 
}

header, main, footer {
    position: relative;
    z-index: 2; 
}

/* Header & Nav */
header { padding: 2.5rem 5%; }
nav { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
nav a { text-decoration: none; color: var(--text-main); font-size: 1rem; }

.logo { 
    font-weight: 600; 
    font-size: 1.2rem; 
    display: flex; 
    align-items: center; 
}
.blinking-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2rem;
    background-color: var(--text-main);
    margin-left: 3px;
    animation: blink 1s step-end infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.links { display: flex; align-items: center; gap: 2rem; }
.links a { color: var(--text-muted); transition: color 0.3s ease; }
.links a:hover { color: var(--text-main); }
.btn-theme { background: none; border: none; cursor: pointer; font-size: 1.2rem; padding: 0.5rem; }

main { max-width: 1200px; margin: 0 auto; padding: 0 5%; }

/* Forside Hero */
.hero { display: flex; align-items: center; gap: 4rem; padding: 8rem 0 6rem 0; }
.hero-text { flex: 1.2; }
.hero-text h1 { font-size: 3.5rem; font-weight: 500; letter-spacing: -0.03em; margin-bottom: 1.5rem; line-height: 1.1; }
.hero-text p { font-size: 1.25rem; color: var(--text-muted); }

.hero-image { flex: none; background-color: var(--card-bg); border-radius: 50%; border: 1px solid var(--card-border); transition: background-color 0.5s ease; }

@keyframes coinSpin {
    0% { transform: perspective(1000px) rotateY(0deg) scale(1); }
    50% { transform: perspective(1000px) rotateY(180deg) scale(1.05); }
    100% { transform: perspective(1000px) rotateY(360deg) scale(1); }
}
.spin-animation {
    animation: coinSpin 1.2s cubic-bezier(0.45, 0.05, 0.55, 0.95);
}

/* Opdateret Om Mig CTA med Dæmpet, Langsom Vertikal Gradient */
.about-cta { 
    display: block;
    text-decoration: none;
    color: #1a1a1a !important; 
    background: linear-gradient(180deg, #3A35C5, #C535A8, #3A35C5);
    background-size: 100% 400%;
    animation: gradientFlow 24s ease infinite; 
    padding: 5rem 2rem 8rem 2rem; 
    border-radius: 12px; 
    text-align: center; 
    margin-bottom: 8rem; 
    border: none; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer; 
}

.about-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.about-cta h2 { 
    font-size: 2rem; 
    margin-bottom: 1rem; 
    position: relative; 
    z-index: 2; 
    pointer-events: none; 
    color: #ffffff; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.2); 
}

.about-cta p { 
    font-size: 1.1rem; 
    color: #ffffff; 
    margin-bottom: 2rem; 
    max-width: 600px; 
    margin-left: auto; 
    margin-right: auto; 
    position: relative; 
    z-index: 2; 
    pointer-events: none; 
    text-shadow: 0 1px 5px rgba(0,0,0,0.2);
}

.about-cta .btn-secondary {
    border-color: #ffffff;
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1); 
}

.about-cta:hover .btn-secondary { 
    background-color: #ffffff; 
    color: #1a1a1a !important; 
}

/* Keyframes til gradient-animationen */
@keyframes gradientFlow {
    0% { background-position: 0% 0%; }
    50% { background-position: 0% 100%; }
    100% { background-position: 0% 0%; }
}

.cursor-follower {
    position: absolute;
    top: 75%; 
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

/* Knapper */
.btn-cta { display: inline-block; padding: 1rem 2rem; background-color: var(--accent-color); color: #ffffff !important; text-decoration: none; font-weight: 500; border-radius: 50px; transition: background-color 0.3s ease, transform 0.3s ease; }
.btn-cta:hover { background-color: var(--accent-hover); transform: scale(1.05); }

.btn-secondary { background-color: transparent; border: 2px solid var(--accent-color); color: var(--text-main) !important; }

/* Portefølje Liste */
.portfolio { padding-bottom: 8rem; }
.portfolio h2 { font-size: 2rem; font-weight: 500; margin-bottom: 4rem; }

.project-list { display: flex; flex-direction: column; gap: 8rem; }
.project-row { display: flex; align-items: center; gap: 5rem; }
.project-row.reverse { flex-direction: row-reverse; }

.project-text { flex: 1; }
.project-text h3 { font-size: 2rem; margin-bottom: 1rem; }
.project-text p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 2rem; }

.project-image { flex: 1.2; width: 100%; height: 500px; background-color: var(--card-bg); border-radius: 8px; border: 1px solid var(--card-border); transition: transform 0.5s ease, background-color 0.5s ease; }
.project-row:hover .project-image { transform: translateY(-10px); }

/* Footer & Utils */
footer { max-width: 1200px; margin: 0 auto; padding: 2rem 5% 4rem 5%; border-top: 1px solid var(--card-border); color: var(--text-muted); font-size: 0.9rem; transition: border-color 0.5s ease; }

.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.mobile-popup {
    display: none; 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.popup-content {
    background-color: var(--bg-color);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.popup-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-main);
}

/* =======================================================================
   PROJEKT UNDERSIDE STYLING
   ======================================================================= */
.project-page {
    padding-top: 4rem;
    padding-bottom: 6rem;
}

.back-link {
    display: inline-block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--accent-color);
}

.project-page h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.project-page p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.placeholder-img {
    background-color: var(--card-bg);
    border: 1px dashed var(--accent-color);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    overflow: hidden;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.project-hero {
    margin-bottom: 6rem;
}

.project-hero h1 {
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    max-width: 900px;
}

.project-goal {
    font-size: 1.4rem !important;
    max-width: 800px;
    margin-bottom: 4rem !important;
}

.project-goal strong {
    color: var(--text-main);
}

.project-hero-banner {
    width: 100%;
    height: 65vh;
    min-height: 400px;
}

.project-split {
    display: flex;
    align-items: center;
    gap: 5rem;
    margin-bottom: 8rem;
}

.split-text { flex: 1; }
.split-image { flex: 1.2; height: 500px; }

.project-solution {
    margin-bottom: 8rem;
}

.project-solution h2 {
    text-align: center;
    margin-bottom: 4rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.feature-card {
    display: flex;
    flex-direction: column;
}

.placeholder-img-small {
    height: 200px;
    background-color: var(--card-bg);
    border: 1px dashed var(--accent-color);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 1rem;
}

.project-branding {
    margin-bottom: 8rem;
}

.branding-banner {
    width: 100%;
    height: 50vh;
    min-height: 350px;
    margin-bottom: 4rem;
}

.branding-content h2 {
    margin-bottom: 2rem;
}

.branding-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    border-top: 1px solid var(--card-border);
    padding-top: 3rem;
}

.branding-grid h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-results {
    margin-bottom: 6rem;
    background-color: var(--card-bg);
    padding: 5rem 4rem;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.results-box {
    max-width: 800px;
    margin-bottom: 4rem;
}

.results-box p {
    font-size: 1.2rem;
}

.results-box strong {
    color: var(--accent-color);
}

.final-mockup {
    width: 100%;
    height: 60vh;
    min-height: 400px;
}

.next-project {
    text-align: center;
    padding-top: 4rem;
    border-top: 1px solid var(--card-border);
}

/* =======================================================================
   RESPONSIVT DESIGN (Mobil)
   ======================================================================= */
@media (max-width: 900px) {
    /* Forside Mobile */
    .hero { flex-direction: column-reverse; text-align: center; gap: 2rem; padding: 4rem 0; }
    .hero-image { width: 250px !important; height: 250px !important; margin: 0 auto; }
    .project-row, .project-row.reverse { flex-direction: column; gap: 3rem; }
    .project-image { width: 100%; height: 300px; flex: none; }
    .hero-text h1 { font-size: 2.5rem; }
    .project-list { gap: 5rem; }
    .cursor-follower { position: relative; top: auto; left: auto; transform: none !important; transition: none; display: inline-block; z-index: 2; pointer-events: auto; }
    .about-cta { padding: 4rem 2rem; }
    #background-canvas, #trail-canvas { display: none !important; } 
    .mobile-popup { display: flex; }

    /* Projekt Mobile */
    .project-page { padding-top: 2rem; }
    .project-hero h1 { font-size: 2.5rem; }
    .project-hero-banner { height: 40vh; }
    .project-split { flex-direction: column; gap: 3rem; margin-bottom: 5rem; }
    .split-image { width: 100%; height: 300px; }
    .branding-banner { height: 30vh; margin-bottom: 2rem; }
    .project-results { padding: 3rem 1.5rem; }
    .final-mockup { height: 40vh; }
    .feature-grid { gap: 2rem; }
}
/* =======================================================================
   IMAGE MODAL (Lightbox)
   ======================================================================= */
#image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    cursor: zoom-out;
    backdrop-filter: blur(5px);
}

#image-modal.show {
    opacity: 1;
    pointer-events: auto;
}

#modal-img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
    object-fit: contain;
}

#image-modal.show #modal-img {
    transform: scale(1);
}