/* AiTi Master Design System 
    Author: Gemini for PT. Anugrah Mitra Teknologi
    Description: Comprehensive style for Home, About, Services, and Contact pages.
*/

/* 1. DESIGN TOKENS (VARIABLES) */
:root {
    --primary-blue: #0A192F; 
    --secondary-blue: #112240; 
    --accent-cyan: #00D4FF; 
    --cta-orange: #F97316; 
    --cta-orange-hover: #EA580C;
    --text-main: #334155; 
    --text-light: #64748B; 
    --bg-light: #F8FAFC; 
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

/* 2. BASE & RESET */
.aiti-body-reset {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}

.aiti-section a { text-decoration: none; color: inherit; }
.aiti-section ul { list-style: none; padding: 0; margin: 0; }
.aiti-section img { max-width: 100%; height: auto; display: block; }

/* 3. LAYANAN UTAMA (LAYOUT) */
.aiti-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.aiti-section-padding { padding: 100px 0; }
.aiti-text-center { text-align: center; }

/* 4. TYPOGRAPHY & HEADINGS */
.aiti-section-title {
    font-size: 36px; 
    font-weight: 800; 
    color: var(--primary-blue);
    margin-bottom: 24px; 
    line-height: 1.3;
}

.aiti-section-subtitle {
    font-size: 18px; 
    color: var(--text-light); 
    margin-bottom: 48px; 
    max-width: 800px; 
    line-height: 1.6;
}

.aiti-text-center .aiti-section-subtitle { margin-left: auto; margin-right: auto; }

.aiti-badge {
    display: inline-block; 
    padding: 6px 16px; 
    background-color: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan); 
    font-size: 14px; 
    font-weight: 700; 
    border-radius: 4px;
    margin-bottom: 16px; 
    text-transform: uppercase; 
    letter-spacing: 1px;
}

.aiti-badge-light { background-color: rgba(10, 25, 47, 0.05); color: var(--primary-blue); }

/* 5. BUTTONS */
.aiti-btn {
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    padding: 14px 32px; 
    font-weight: 600; 
    border-radius: 4px;
    transition: var(--transition); 
    cursor: pointer;
    border: 2px solid transparent; 
    font-size: 15px;
}

.aiti-btn-primary { background-color: var(--cta-orange); color: var(--white); }
.aiti-btn-primary:hover { background-color: var(--cta-orange-hover); transform: translateY(-2px); }

.aiti-btn-outline { background-color: transparent; border-color: var(--white); color: var(--white); }
.aiti-btn-outline:hover { background-color: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }

.aiti-btn-outline-dark { background-color: transparent; border-color: var(--primary-blue); color: var(--primary-blue); }
.aiti-btn-outline-dark:hover { background-color: rgba(10, 25, 47, 0.05); transform: translateY(-2px); }

.aiti-btn-wa { background-color: #25D366; color: white; border-color: #25D366; }
.aiti-btn-wa:hover { background-color: #128C7E; border-color: #128C7E; transform: translateY(-2px); }

/* 6. HERO & PAGE HEADERS */
.aiti-hero-base {
    position: relative;
    background-color: var(--primary-blue);
    color: var(--white);
    overflow: hidden;
}

.aiti-hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(10,25,47,0.95) 0%, rgba(10,25,47,0.8) 40%, rgba(10,25,47,0.2) 100%);
    z-index: 1;
}

.aiti-page-hero {
    padding: 160px 0 120px;
    background-size: cover; 
    background-position: center; 
    background-attachment: fixed;
    text-align: center;
}

/* 7. CARD SYSTEMS */
.aiti-card {
    background: var(--white); 
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    overflow: hidden;
}

.aiti-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.08); }

/* Service & Project Specifics */
.aiti-service-img { height: 220px; overflow: hidden; }
.aiti-service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.aiti-card:hover .aiti-service-img img { transform: scale(1.08); }

/* Pillar / Step Card */
.aiti-step-card {
    background-color: rgba(255,255,255,0.03); 
    border: 1px solid rgba(255,255,255,0.1);
    padding: 32px 24px; border-radius: 8px; position: relative;
}

/* 8. GRID SYSTEMS */
.aiti-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.aiti-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.aiti-grid-responsive { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }

/* 9. FAQ ACCORDION */
.aiti-faq-details {
    background-color: var(--white); border: 1px solid var(--border-color);
    border-radius: 8px; margin-bottom: 16px;
}

.aiti-faq-details summary {
    padding: 24px; font-size: 18px; font-weight: 600; color: var(--primary-blue);
    cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
}

.aiti-faq-details summary::after { content: '+'; color: var(--accent-cyan); font-size: 24px; }
.aiti-faq-details[open] summary::after { content: '-'; }

.aiti-faq-content { padding: 0 24px 24px; color: var(--text-light); }

/* 10. FORMS */
.aiti-form-control {
    width: 100%; padding: 14px 16px; border: 1px solid var(--border-color);
    border-radius: 6px; font-family: inherit; font-size: 15px; transition: var(--transition);
}

.aiti-form-control:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1); }

/* 11. RESPONSIVE UTILITIES */
@media (max-width: 1024px) {
    .aiti-grid-2 { grid-template-columns: 1fr; gap: 40px; }
    .aiti-section-title { font-size: 32px; }
}

@media (max-width: 768px) {
    .aiti-section-padding { padding: 60px 0; }
    .aiti-grid-3 { grid-template-columns: 1fr; }
    .aiti-btn { width: 100%; }
}