/* ============================================
   SYSTEMBRETT DIGITAL - SHARED STYLES
   ============================================ */

/* --- CSS VARIABLES --- */
:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a87;
    --accent: #10b981;
    --accent-hover: #059669;
    --light: #f8fafc;
    --text: #334155;
    --text-light: #64748b;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

/* --- RESET & BASE --- */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text);
    line-height: 1.7;
    background: var(--white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.3;
    color: var(--primary);
}

a {
    text-decoration: none;
}

main {
    flex: 1;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 5rem 0;
}

/* --- ANIMATIONS --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.animate-in {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* --- HEADER & NAV --- */
header.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: var(--text-light);
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: var(--light);
}

.nav-links a.nav-cta {
    background: var(--accent);
    color: white;
}

.nav-links a.nav-cta:hover {
    background: var(--accent-hover);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
    background: var(--light);
    color: var(--primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.btn-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- SECTION STYLING --- */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* --- FEATURE CARDS --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

/* --- ACCORDION (details/summary) --- */
details {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

details[open] {
    box-shadow: var(--shadow-md);
}

summary {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary);
    list-style: none;
    position: relative;
    padding-right: 3rem;
    transition: background 0.2s;
}

summary:hover {
    background: var(--light);
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-light);
    transition: transform 0.2s;
}

details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.details-content {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    border-top: 1px solid var(--light);
}

/* --- PAGE HEADER (Subpages) --- */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    text-align: center;
    padding: 4rem 0;
}

.page-header h1 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.85;
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- CONTENT AREA --- */
.content-area {
    padding: 4rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 2rem;
    transition: color 0.2s;
}

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

/* --- FOOTER --- */
footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 3rem 0;
    font-size: 0.9rem;
    margin-top: auto;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: white;
    transition: opacity 0.2s;
}

footer a:hover {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 1rem;
}

/* --- MOBILE STYLES --- */
@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }

    .nav-links {
        display: none;
    }

    .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .page-header {
        padding: 3rem 0;
    }

    .page-header h1 {
        font-size: 2rem;
    }
}