/* ======== STYLE.CSS MASTER FILE v4.0 ======== */
:root {
    --primary-color: #10B981; /* Emerald Green */
    --primary-hover: #059669;
    --secondary-color: #0F172A; /* Slate Blue */
    --accent-color: #2563EB; 
    --background-color: #F8FAFC; 
    --card-background: #FFFFFF;
    --text-color: #334155;
    --light-text-color: #FFFFFF;
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Poppins', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
.section-tag { display: block; text-align: center; font-size: 0.85rem; font-weight: 700; letter-spacing: 2px; color: var(--primary-color); margin-bottom: 12px; text-transform: uppercase; }
.section-tag.light { color: #34D399; text-align: left; }
.section-title { font-family: var(--heading-font); font-size: 2.5rem; font-weight: 700; color: var(--secondary-color); text-align: center; margin-bottom: 60px; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.text-emerald { color: var(--primary-color); }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; border-radius: 6px; text-decoration: none;
    font-weight: 600; font-size: 0.95rem; transition: var(--transition-smooth);
    cursor: pointer; border: none; gap: 8px;
}
.btn-primary { background-color: var(--primary-color); color: var(--light-text-color); box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3); }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4); }
.btn-secondary { background-color: rgba(255, 255, 255, 0.1); color: var(--light-text-color); border: 1px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(5px); }
.btn-secondary:hover { background-color: var(--light-text-color); color: var(--secondary-color); transform: translateY(-2px); }

/* NAVBAR HEADER */
.header { background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03); position: fixed; width: 100%; top: 0; z-index: 1000; }
.navbar { display: flex; justify-content: space-between; align-items: center; height: 90px; }
.nav-logo { font-family: var(--heading-font); font-size: 1.6rem; font-weight: 700; color: var(--secondary-color); text-decoration: none; }
.nav-logo strong { color: var(--primary-color); }
.nav-menu { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-link { color: #475569; text-decoration: none; font-weight: 500; font-size: 0.95rem; padding: 8px 0; transition: var(--transition-smooth); }
.nav-link:hover, .nav-link.active { color: var(--secondary-color); font-weight: 600; }
.nav-btn { padding: 10px 20px; font-size: 0.85rem; }

/* LANGUAGE SWITCHER */
.lang-switcher { display: flex; gap: 8px; align-items: center; margin-left: 15px; font-size: 0.85rem; font-weight: 600; border-left: 1px solid #CBD5E1; padding-left: 15px; }
.lang-btn { text-decoration: none; color: #94A3B8; transition: var(--transition-smooth); }
.lang-btn.active { color: var(--secondary-color); border-bottom: 2px solid var(--primary-color); }
.lang-btn:hover { color: var(--primary-color); }

/* HERO SECTION */
.hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--light-text-color); padding-top: 90px; }
.video-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; z-index: -2; background-color: var(--secondary-color); }
#hero-video { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, rgba(15,23,42,0.8), rgba(15,23,42,0.6)); z-index: -1; }
.hero-content { max-width: 900px; }
.hero-badge { background-color: rgba(16, 185, 129, 0.2); border: 1px solid var(--primary-color); color: #34D399; padding: 6px 16px; border-radius: 30px; font-size: 0.85rem; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.hero-title { font-size: 3.6rem; font-weight: 700; line-height: 1.2; margin-bottom: 24px; }
.hero-subtitle { font-size: 1.2rem; font-weight: 300; margin-bottom: 40px; color: #E2E8F0; }
.hero-buttons .btn { margin: 0 8px; }

/* SERVICE PILLARS */
.pillars-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.pillar-card { background-color: var(--card-background); padding: 45px 35px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.01); transition: var(--transition-smooth); border: 1px solid #E2E8F0; }
.pillar-card.highlighted { border-top: 4px solid var(--primary-color); }
.pillar-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05); }
.icon-wrapper { width: 60px; height: 60px; background-color: #F0FDF4; color: var(--primary-color); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 24px; }
.pillar-card.highlighted .icon-wrapper { background-color: #10B981; color: white; }
.pillar-card h3 { font-size: 1.3rem; color: var(--secondary-color); margin-bottom: 12px; }
.pillar-card p { color: #64748B; font-size: 0.95rem; }

/* SOLAR EXPERT SECTION */
.solar-expert-section { background-color: var(--secondary-color); color: var(--light-text-color); }
.solar-expert-wrapper { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.solar-expert-text h2 { font-size: 2.4rem; font-weight: 700; margin-bottom: 20px; }
.solar-expert-text .lead { font-size: 1.1rem; color: #94A3B8; margin-bottom: 40px; }
.step-list { display: flex; flex-direction: column; gap: 35px; }
.step-item { display: flex; gap: 20px; }
.step-number { font-size: 1.4rem; font-weight: 700; color: var(--primary-color); background-color: rgba(16, 185, 129, 0.1); width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.step-info h4 { font-size: 1.15rem; color: #F8FAFC; margin-bottom: 6px; }
.step-info p { color: #94A3B8; font-size: 0.95rem; }
.solar-expert-image-box { position: relative; height: 400px; }
.solar-image-placeholder { width: 100%; height: 100%; border-radius: 12px; background: linear-gradient(135deg, #1E293B, #0F172A); box-shadow: 0 20px 40px rgba(0,0,0,0.2); display: flex; align-items: flex-end; padding: 30px; border: 1px solid rgba(255,255,255,0.05); }
.floating-stat { background-color: rgba(15, 23, 42, 0.85); border-left: 4px solid var(--primary-color); padding: 15px 25px; border-radius: 0 6px 6px 0; }
.stat-number { display: block; font-size: 1.6rem; font-weight: 700; color: white; }
.stat-label { font-size: 0.8rem; color: #94A3B8; text-transform: uppercase; }

/* MANAGEMENT TEAM STYLES */
.team-section { background-color: #F8FAFC; border-top: 1px solid #E2E8F0; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.team-card { background-color: white; padding: 40px 30px; border-radius: 8px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.02); border: 1px solid #E2E8F0; transition: var(--transition-smooth); }
.team-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-color: #CBD5E1; }
.team-avatar { width: 80px; height: 80px; background-color: #F1F5F9; color: var(--secondary-color); font-size: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px auto; border: 2px solid #E2E8F0; }
.team-card h3 { font-size: 1.35rem; color: var(--secondary-color); margin-bottom: 6px; }
.team-card .position { color: var(--primary-color); font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px; }
.team-desc { font-size: 0.9rem; color: #64748B; line-height: 1.5; }

/* PORTOFOLIU CARD LAYOUT PREVIEW & LIST */
.projects-preview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.project-preview-card { border-radius: 8px; overflow: hidden; height: 280px; background-size: cover; background-position: center; display: flex; align-items: flex-end; padding: 25px; transition: var(--transition-smooth); }
.project-preview-card:hover { transform: scale(1.02); }
.card-content { z-index: 2; }
.card-tag { background-color: var(--primary-color); color: white; padding: 4px 10px; font-size: 0.75rem; font-weight: 600; border-radius: 4px; margin-bottom: 8px; display: inline-block; }
.project-preview-card h3 { color: white; font-size: 1.2rem; }

/* ADVANCED PORTFOLIO LIST WITH AUTOMATED BLUEPRINTS/IMAGES */
.portfolio-cards-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 30px; margin-top: 40px; }
.portfolio-item-card { background-color: white; border-radius: 8px; overflow: hidden; border: 1px solid #E2E8F0; box-shadow: 0 4px 20px rgba(0,0,0,0.02); display: flex; flex-direction: column; transition: var(--transition-smooth); }
.portfolio-item-card:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(15,23,42,0.08); }
.portfolio-card-img-wrapper { height: 200px; position: relative; background-size: cover; background-position: center; background-color: #1E293B; display: flex; align-items: center; justify-content: center; }
.fallback-tech-overlay { font-size: 3rem; color: rgba(255,255,255,0.15); z-index: 1; transition: var(--transition-smooth); }
.portfolio-item-card:hover .fallback-tech-overlay { color: var(--primary-color); transform: scale(1.1); }
.portfolio-card-body { padding: 30px; display: flex; flex-direction: column; flex-grow: 1; }
.card-inline-tag { padding: 4px 12px; font-size: 0.75rem; font-weight: 600; border-radius: 4px; width: fit-content; margin-bottom: 15px; text-transform: uppercase; }
.tag-green { background-color: #DCFCE7; color: #156534; }
.tag-blue { background-color: #DBEAFE; color: #1E40AF; }
.tag-orange { background-color: #FFEDD5; color: #9A3412; }
.tag-purple { background-color: #F3E8FF; color: #6B21A8; }
.portfolio-card-body h3 { font-size: 1.3rem; color: var(--secondary-color); margin-bottom: 12px; font-weight: 700; line-height: 1.3; }
.portfolio-card-body p { color: #64748B; font-size: 0.9rem; line-height: 1.6; margin-bottom: 20px; flex-grow: 1; }
.card-project-footer { border-top: 1px solid #F1F5F9; padding-top: 15px; font-size: 0.85rem; color: #64748B; font-weight: 500; }

/* ADVANCED SEPARATE CALCULATOR PAGE */
.page-header { padding: 160px 0 80px 0; background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%); color: white; text-align: center; }
.page-header.select-calc-header { background: linear-gradient(135deg, #064E3B 0%, #0F172A 100%); }
.page-tag-top { font-size: 0.8rem; letter-spacing: 2px; color: var(--primary-color); font-weight: 700; margin-bottom: 10px; display: block; }
.page-header h1 { font-size: 3.2rem; font-weight: 700; letter-spacing: -1px; }

.calc-page-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
.calculator-form-container { background-color: white; padding: 40px; border-radius: 8px; border: 1px solid #E2E8F0; }
.form-title { font-size: 1.3rem; color: var(--secondary-color); margin-bottom: 25px; border-bottom: 1px solid #F1F5F9; padding-bottom: 12px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 600; font-size: 0.95rem; color: var(--secondary-color); }
.form-group input, .form-group select { width: 100%; padding: 14px; border: 1px solid #CBD5E1; border-radius: 6px; font-size: 1rem; color: var(--secondary-color); transition: var(--transition-smooth); }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1); }
.full-width { width: 100%; }

/* RESULTS AND DYNAMIC REPORT CARD */
.calc-empty-state { background-color: white; border: 2px dashed #CBD5E1; border-radius: 8px; padding: 60px 40px; text-align: center; color: #64748B; }
.empty-icon { font-size: 3.5rem; color: #94A3B8; margin-bottom: 20px; }
.calc-empty-state h4 { font-size: 1.2rem; color: var(--secondary-color); margin-bottom: 8px; }

.advanced-report-card { background-color: white; border: 1px solid #E2E8F0; border-radius: 8px; padding: 40px; box-shadow: 0 10px 30px rgba(0,0,0,0.02); border-left: 5px solid var(--primary-color); }
.report-title-wrapper { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #F1F5F9; padding-bottom: 15px; margin-bottom: 25px; }
.report-title-wrapper h3 { font-size: 1.4rem; color: var(--secondary-color); }
.report-badge { background-color: #E0F2FE; color: #0369A1; padding: 4px 12px; font-size: 0.8rem; font-weight: 600; border-radius: 30px; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }
.report-item { background-color: #F8FAFC; padding: 15px 20px; border-radius: 6px; border: 1px solid #E2E8F0; }
.report-item .label { font-size: 0.85rem; color: #64748B; text-transform: uppercase; font-weight: 500; display: block; margin-bottom: 4px; }
.report-item .value { font-size: 1.3rem; font-weight: 700; color: var(--secondary-color); }
.report-alert-box { background-color: #EFF6FF; border: 1px solid #BFDBFE; color: #1E40AF; padding: 20px; border-radius: 6px; font-size: 0.95rem; line-height: 1.6; }

/* FOOTER */
.footer { background-color: #0b223b; color: #94A3B8; padding: 80px 0 40px 0; border-top: 1px solid #1E293B; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.5fr; gap: 60px; margin-bottom: 50px; }
.footer-col h3 { color: var(--light-text-color); font-size: 1.7rem; margin-bottom: 15px; }
.footer-col h3 strong { color: var(--primary-color); }
.footer-tagline { font-size: 0.95rem; color: #64748B; margin-bottom: 20px; }
.copy { font-size: 0.85rem; color: #475569; }
.footer-col h4 { color: var(--light-text-color); margin-bottom: 20px; font-size: 1.1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { color: #94A3B8; text-decoration: none; transition: var(--transition-smooth); }
.footer-col a:hover { color: var(--primary-color); padding-left: 4px; }
.footer-col p { margin-bottom: 14px; display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }
.footer-col p i { color: var(--primary-color); width: 16px; }

@media (max-width: 992px) { .calc-page-layout { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
    .navbar { flex-direction: column; height: auto; padding: 20px 0; gap: 15px; }
    .nav-menu { gap: 15px; flex-wrap: wrap; justify-content: center; }
    .hero-title { font-size: 2.3rem; }
    .solar-expert-wrapper, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .solar-expert-image-box { height: 300px; }
    .lang-switcher { border-left: none; padding-left: 0; margin-left: 0; margin-top: 10px; }
}