/* ===== Color Palette ===== */
:root {
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-border: #475569;
    --color-border-subtle: #334155;
    --color-accent-primary: #06b6d4;
    --color-accent-secondary: #0ea5e9;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-shadow: rgba(0, 0, 0, 0.4);
}

/* ===== Typography & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ===== Main Container ===== */
.container {
    width: 100%;
    max-width: 1000px; /* Något bredare för att rymma knapparna snyggt */
}

/* ===== Header ===== */
.header {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeInDown 0.6s ease-out;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary); /* Ändrad till vit/ljusgrå */
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.header h2 {
    font-size: 1.25rem;
    color: var(--color-accent-primary);
    margin-bottom: 15px;
    font-weight: 500;
}

.header p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 10px;
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* ===== Specs List & Cards ===== */
.specs-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.spec-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.6s ease-out both;
}

.spec-card:hover {
    border-color: var(--color-accent-primary);
    box-shadow: 0 16px 32px var(--color-shadow);
    transform: translateY(-4px);
}

.spec-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.spec-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

/* ===== Buttons Container (Ersätter badges) ===== */
.spec-badges {
    display: flex;
    gap: 10px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--color-border-subtle);
}

/* Gemensam knapp-stil */
.show-btn, .download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

/* Show-knappen (Primär) */
.show-btn {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    color: var(--color-bg-primary);
    flex: 1;
}

.show-btn:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
    transform: translateY(-1px);
}

/* Download-knapparna (Sekundär) */
.download-btn {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    flex: 1;
}

.download-btn:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

/* ===== Footer ===== */
.footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border-subtle);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* ===== Animations ===== */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Delay för korten */
.spec-card:nth-child(1) { animation-delay: 0.1s; }
.spec-card:nth-child(2) { animation-delay: 0.2s; }
.spec-card:nth-child(3) { animation-delay: 0.3s; }
.spec-card:nth-child(4) { animation-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .header h1 { font-size: 2rem; }
    .specs-list { grid-template-columns: 1fr; }
    .spec-card { padding: 20px; }
    .spec-badges { flex-direction: row; } /* Behåll knapparna på rad även i mobil */
}