:root {
    --coklat-utama: #00b4d8;
    --coklat-tua: #0096c7;
    --coklat-muda: #caf0f8;
    --aksen-kuning: #F59E0B;
    --putih-glass: rgba(255, 255, 255, 0.85);
    --gradient-child: linear-gradient(135deg, #ff4d00 0%, #BB4B00 100%);
    --gradient-adult: linear-gradient(135deg, #3bcdee 0%, #2193B0 100%);
    --gradient-senior: linear-gradient(135deg, #48cae4 0%, #00b4d8 100%);
    --shadow-premium: 0 20px 40px rgba(0,0,0,0.1);
}

* { 
    box-sizing: border-box; 
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 120px 0 0 0;
    color: #2c3e50;
    min-height: 100vh;
    position: relative;
    line-height: 1.6;
    background: url('images/hero jagara.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}


.header-nav-protocol {
    position: absolute;
    top: 40px; 
    left: 40px;
    z-index: 1000;
    display: none;
}

.btn-back-master {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    text-decoration: none;
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: 0.3s ease;
}

.btn-back-master:hover {
    background: white;
    color: var(--coklat-utama);
    transform: translateX(-5px);
}

.main-wrapper {
    width: calc(100% - 40px);
    min-height: calc(100vh - 160px);
    margin: 0 auto;
    padding: 40px 20px 60px;
    position: relative;
    z-index: 2;
}

.header-section {
    text-align: center;
    margin-bottom: 70px;
    padding: 20px;
    background: rgba(0, 180, 216, 0.7);
    border-radius: 40px;
    backdrop-filter: blur(10px);
}

.header-section h1 {
    color: #ffffff;
    font-weight: 800;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: -2px;
    line-height: 1.1;
    text-shadow: 2px 4px 15px rgba(0,0,0,0.5);
}

.header-section p {
    color: #f8f9fa;
    font-weight: 400;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.7);
    margin-top: 10px;
}

.header-section .badge {
    background: rgba(0, 180, 216, 0.9);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.protocol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 80px;
}

.protocol-card {
    background: var(--putih-glass);
    padding: 40px 30px;
    border-radius: 30px;
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(255,255,255,0.6);
    backdrop-filter: blur(12px);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.protocol-card:hover {
    transform: translateY(-10px);
    background: #ffffff;
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: var(--coklat-muda);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2.2rem;
    color: var(--coklat-utama);
    transition: 0.5s;
}

.protocol-card:hover .icon-circle {
    background: var(--coklat-utama);
    color: white;
    transform: rotateY(180deg);
}

.age-guide-section h2 {
    text-align: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 2.2rem;
    margin-bottom: 50px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.6);
    background: rgba(0, 180, 216, 0.7);
    padding: 15px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    display: inline-block;
    width: 100%;
}

.age-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.age-premium-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    background: #ffffff;
    border-radius: 35px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    transition: 0.3s ease;
}

.age-premium-card:hover {
    transform: scale(1.01);
}

.age-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    color: white;
}

.age-banner i { 
    font-size: 3.5rem; 
    margin-bottom: 10px; 
}

.age-banner span { 
    font-weight: 700; 
    text-transform: uppercase; 
    font-size: 0.8rem; 
}

.banner-child { background: var(--gradient-child); }
.banner-adult { background: var(--gradient-adult); }
.banner-senior { background: var(--gradient-senior); }

.age-info {
    padding: 40px;
}

.age-info h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.age-info h3 small {
    font-size: 0.85rem;
    color: #777;
    background: #f8f9fa;
    padding: 4px 12px;
    border-radius: 8px;
    margin-left: 10px;
}

.age-info ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 0;
    list-style: none;
}

.age-info li {
    position: relative;
    padding-left: 30px;
    font-size: 0.95rem;
    color: #444;
}

.age-info li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--coklat-utama);
}

.btn-footer {
    margin-top: 60px;
    text-align: center;
}

.btn-home-master {
    background: linear-gradient(135deg, var(--coklat-utama) 0%, var(--coklat-tua) 100%);
    color: white;
    text-decoration: none;
    padding: 20px 50px;
    border-radius: 50px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 180, 216, 0.4);
    transition: 0.3s;
}

.btn-home-master:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(139, 69, 19, 0.5);
}

.btn-footer-protocol {
    margin: 30px auto;
    text-align: center;
    padding-bottom: 40px;
    display: block;
    width: fit-content;
}

.btn-back-protocol {
    background: #F59E0B;
    color: #333;
    text-decoration: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
    transition: 0.3s;
}

.btn-back-protocol:hover {
    background: #D97706;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.5);
}

@media (max-width: 992px) {
    .age-info ul { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .age-premium-card { grid-template-columns: 1fr; }
    .header-section h1 { font-size: 2rem; }
}