:root {
    --bg-color: #FFFFFF;
    --primary: #1565C0; /* Academic Blue */
    --primary-dark: #0D47A1;
    --accent: #FFCA28; /* Friendly Yellow */
    --text-dark: #2C3E50;
    --text-light: #546E7A;
    --white: #FFFFFF;
    --wa-color: #25D366;
    --bg-grey: #F4F6F8;
    --card-border: #E3E8EE;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: #EAEAEA;
    display: flex;
    justify-content: center;
}

.app-container {
    width: 100%;
    max-width: 480px;
    background-color: var(--bg-color);
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    position: relative;
    overflow-x: hidden;
}

header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 15px 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 22px;
    font-weight: 700;
}

.subtitle {
    font-size: 13px;
    opacity: 0.8;
}

.hero {
    position: relative;
    height: 250px;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    color: white;
}

.badge-promo {
    display: inline-block;
    background-color: var(--accent);
    color: var(--text-dark);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.hero-overlay h1 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 5px;
    line-height: 1.3;
}

.hero-overlay p {
    font-size: 13px;
    opacity: 0.9;
}

.benefit-section {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background-color: var(--white);
}

.benefit-card {
    text-align: center;
    width: 31%;
    background: var(--bg-grey);
    padding: 15px 5px;
    border-radius: 12px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.benefit-card i {
    font-size: 22px;
    color: var(--accent);
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dark);
}

.content-section {
    padding: 10px 20px 30px 20px;
}

.section-title {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-title::before {
    content: "";
    display: block;
    width: 5px;
    height: 18px;
    background-color: var(--accent);
    border-radius: 4px;
}

/* Profile */
.profile-box {
    background: var(--bg-grey);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
}

.profile-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 10px;
    border: 3px solid var(--accent);
}

.profile-text h3 {
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.profile-text p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Program List */
.program-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.program-card {
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--card-border);
}

.program-icon {
    width: 45px;
    height: 45px;
    background: #E3F2FD;
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 15px;
}

.program-info {
    flex: 1;
}

.program-info h3 {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 3px;
}

.price {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:active {
    background: var(--primary);
    color: white;
}

/* Gallery & Testimonials */
.gallery-scroll, .testi-scroll {
    display: flex;
    overflow-x: auto;
    gap: 15px;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
}
.gallery-scroll::-webkit-scrollbar, .testi-scroll::-webkit-scrollbar { height: 6px; }
.gallery-scroll::-webkit-scrollbar-thumb, .testi-scroll::-webkit-scrollbar-thumb { background: #CCC; border-radius: 10px; }

.gallery-scroll img {
    width: 220px;
    height: 160px;
    object-fit: cover;
    border-radius: 10px;
    scroll-snap-align: start;
    flex-shrink: 0;
    border: 1px solid var(--card-border);
}

.testi-card {
    background: var(--bg-grey);
    width: 280px;
    padding: 20px;
    border-radius: 15px;
    scroll-snap-align: start;
    flex-shrink: 0;
}

.stars {
    color: #FFC107;
    font-size: 13px;
    margin-bottom: 10px;
}

.testi-card p {
    font-size: 13px;
    color: var(--text-dark);
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 15px;
}

.testi-card strong {
    font-size: 13px;
    color: var(--primary);
}

/* Info Card */
.info-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--card-border);
}

.map-container iframe { display: block; }

.address-box {
    padding: 15px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    font-size: 13px;
    color: var(--text-dark);
}

.address-box i {
    color: var(--primary);
    font-size: 18px;
    margin-top: 2px;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    background: var(--bg-grey);
    border-radius: 10px;
    overflow: hidden;
}

.faq-item summary {
    padding: 15px;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-dark);
    cursor: pointer;
    list-style: none;
    position: relative;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 15px;
    color: var(--primary);
    font-weight: 700;
}
.faq-item[open] summary::after { content: "-"; }

.faq-content {
    padding: 0 15px 15px 15px;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 30px 20px 40px 20px;
    margin-bottom: 60px;
}

.socials {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.socials a {
    color: var(--text-dark);
    font-size: 20px;
    background: var(--accent);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
}

footer p {
    font-size: 12px;
    opacity: 0.7;
}

.bottom-spacer { height: 10px; }

/* Sticky Button */
.sticky-bottom {
    position: fixed;
    bottom: 0;
    width: 100%;
    max-width: 480px;
    background: linear-gradient(to top, var(--bg-color) 80%, transparent);
    padding: 10px 20px 20px 20px;
    z-index: 100;
}

.btn-whatsapp {
    width: 100%;
    background-color: var(--wa-color);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
    cursor: pointer;
}

.btn-whatsapp:active { transform: scale(0.98); }