/* =========================================
   IMPOR FONT & VARIABEL CSS
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Roboto:wght@400;500&display=swap');

:root {
    --primary-orange: #E67E22; /* Oranye utama yang energik */
    --primary-orange-dark: #D35400; /* Oranye lebih gelap untuk hover */
    --german-gold: #FFD700; /* Aksen emas Jerman untuk highlight */
    --dark-blue: #2C3E50; /* Biru gelap untuk footer dan teks kontras */
    --light-gray: #f9f9f9; /* Latar belakang section yang lembut */
    --text-dark: #34495E; /* Warna teks utama */
    --text-muted: #7f8c8d; /* Warna teks sekunder */
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1); /* Untuk glassmorphism */
    --border-radius: 16px; /* Lebih rounded untuk modern */
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --box-shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1); /* Shadow untuk glass */
    --transition-speed: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Easing lebih smooth */
}

/* =========================================
   RESET & GAYA DASAR
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden; /* Hindari horizontal scroll */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--dark-blue);
}

.container {
    max-width: 1200px; /* Sedikit lebih lebar untuk modern */
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0; /* Lebih spacious */
}

/* =========================================
   NAVBAR (Asumsi gaya dasar - sesuaikan dengan include Anda)
   ========================================= */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px); /* Efek blur modern */
}

/* =========================================
   HERO SECTION (Dengan Parallax Sederhana)
   ========================================= */
.hero {
    position: relative;
    height: 100vh; /* Full viewport untuk immersive */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero .carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    transition: transform 0.5s ease; /* Parallax effect */
}

.hero .carousel::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(230, 126, 34, 0.3)); /* Gradien oranye subtle */
    z-index: 2;
}

.hero .slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero .slide.active {
    opacity: 1;
}

.hero .slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease; /* Zoom subtle pada active slide */
}

.hero .slide.active img {
    transform: scale(1.05);
}

.hero .prev, .hero .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px 20px;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-speed);
    border-radius: 50%;
}

.hero .prev { left: 30px; }
.hero .next { right: 30px; }

.hero .prev:hover, .hero .next:hover {
    background: var(--primary-orange);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--box-shadow-glass);
}

.hero-text {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out; /* Animasi masuk */
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-text h1 {
    font-size: 4.5rem; /* Lebih besar untuk impact */
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
    margin-bottom: 15px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.7);
    position: relative;
}

.hero-text h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--german-gold);
    border-radius: 2px;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    opacity: 0.95;
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-orange), var(--german-gold));
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    transition: var(--transition-speed);
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.4);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 30px rgba(230, 126, 34, 0.6);
}

/* =========================================
   PROGRAM SECTION (Glassmorphism Cards)
   ========================================= */
.program-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    position: relative;
}
.program-section h2 {
    font-size: 2.5rem; /* ubah ukuran (default 2rem biasanya) */
    font-weight: 700; /* tebal */
    color: var(--primary-orange); /* ganti warna sesuai variabel CSS */
    font-family: 'Poppins', sans-serif; /* ganti jenis font */
    text-transform: uppercase; /* huruf besar semua */
    letter-spacing: 2px; /* spasi antar huruf */
}

.text-center { text-align: center; }
.mb-5 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 1.5rem; }
.text-muted { color: var(--text-muted); }

.filter-buttons-wrapper .filter-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
    padding: 12px 30px;
    margin: 0 8px;
    border-radius: 50px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    transition: var(--transition-speed);
    box-shadow: var(--box-shadow-glass);
}

.filter-buttons-wrapper .filter-btn.active {
    background: linear-gradient(135deg, var(--primary-orange), var(--german-gold));
    border-color: transparent;
    color: var(--white);
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 10px 30px rgba(230, 126, 34, 0.4);
}

.filter-buttons-wrapper .filter-btn:not(.active):hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
    transform: translateY(-2px);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.program-item.online { display: none; }

.program-card {
    background: var(--white);
    backdrop-filter: blur(10px); /* Glass effect */
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-speed);
    position: relative;
    border-top: 4px solid transparent;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--german-gold));
    transition: width 0.4s ease;
}

.program-card:hover {
    transform: translateY(-15px) rotateX(5deg); /* 3D tilt subtle */
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15), 0 0 30px rgba(230, 126, 34, 0.3);
}

.program-card:hover::before {
    width: 100%;
}

.program-card-image-wrapper {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.program-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    loading: lazy; /* Optimasi */
}

.program-card:hover .program-card-img {
    transform: scale(1.1);
}

.program-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary-orange), var(--german-gold)) !important;
    color: var(--white);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.program-card .card-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.program-card-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--dark-blue);
    font-weight: 600;
}

.program-card .card-text.small {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.program-card .card-text i {
    color: var(--primary-orange);
    margin-right: 8px;
}

.program-card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-orange);
    margin: 15px 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.program-card .btn {
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 50px;
    text-align: center;
    font-weight: 600;
    transition: var(--transition-speed);
    margin-top: auto;
    position: relative;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

.program-card .btn::after {
    font-family: "Font Awesome 6 Free";
    content: "\f061";
    font-weight: 900;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: var(--transition-speed);
}

.program-card .btn:hover {
    padding-right: 45px;
}

.program-card .btn:hover::after {
    opacity: 1;
    right: 15px;
}

.program-card .btn-primary {
background: linear-gradient(135deg, var(--primary-orange), var(--german-gold));   
 color: var(--white);
}


.program-card .btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-orange-dark), var(--german-gold));
    transform: translateY(-3px);
}

.program-card .btn-danger {
    background: linear-gradient(135deg, var(--primary-orange), var(--german-gold));
    color: var(--white);
}

.program-card .btn-danger:hover {
    background: linear-gradient(135deg, var(--primary-orange-dark), var(--german-gold));
    transform: translateY(-3px);
}

/* =========================================
   ABOUT SECTION (Dengan Testimonial Tambahan)
   ========================================= */
.about {
    text-align: center;
    background: var(--w);
}

.about h2 { 
    font-size: 3rem; 
    margin-bottom: 20px; 
    position: relative;
}

.about h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-orange);
    margin: 10px auto 0;
    border-radius: 2px;
}

.about .highlight { 
    color: var(--primary-orange); 
    font-weight: 700;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
    text-align: left;
}

.about-card {
    padding: 35px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition-speed);
    text-align: center; /* Center untuk konsistensi */
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.about-card .icon-wrapper {
    background: linear-gradient(135deg, var(--primary-orange), var(--german-gold));
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--white);
    font-size: 2.2rem;
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.4);
    transition: transform 0.3s ease;
}

.about-card:hover .icon-wrapper {
    transform: scale(1.1) rotate(10deg);
}

.about-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.about-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* Testimonial Baru (Tambahan untuk Kredibilitas) */
.testimonial-section {
    margin-top: 80px;
    padding: 50px 0;
    background: rgba(230, 126, 34, 0.05);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

/* =========================================
   TESTIMONIAL SECTION (Lanjutan)
   ========================================= */
.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    position: relative;
    transition: var(--transition-speed);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 4rem;
    color: var(--primary-orange);
    opacity: 0.3;
    font-family: serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--dark-blue);
    margin-top: 15px;
}

.testimonial-card .rating {
    color: var(--german-gold);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.wave-divider {
    width: 100%;
    height: 150px;
    overflow: hidden;
    line-height: 0;
    background: #ffffff; /* Bagian bawah putih */
    margin-top: -1px; /* Hilangkan celah garis putih */
    margin-bottom: -1px; /* Hilangkan celah garis putih */
}

.wave-divider svg {
    display: block;
    width: 100%;
    height: 100%;
}

.wave-divider .shape-fill {
  fill: url(#waveGradient);
}


/* =========================================
   ALUR PENDAFTARAN SECTION (Timeline Animasi)
   ========================================= */
.alur {
background: linear-gradient(
  to right, 
  var(--primary-orange-dark) 0%, 
  var(--primary-orange-dark) 40%, 
  #c0392b 60%, 
  #c0392b 100%
);

    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.alur::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>'); /* Efek grain subtle */
    pointer-events: none;
}

.alur h2, .alur p {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.alur h2 { 
    font-size: 2.8rem; 
    margin-bottom: 20px; 
}

.alur p { 
    max-width: 700px; 
    margin: 0 auto 60px; 
    font-size: 1.1rem;
    opacity: 0.95;
}

.alur-timeline {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.alur-timeline::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 5%;
    width: 90%;
    height: 5px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    border-radius: 3px;
    animation: progressFill 3s ease-out forwards; /* Animasi progress bar */
    transform: scaleX(0);
    transform-origin: left;
}

@keyframes progressFill {
    to { transform: scaleX(1); }
}

.alur .step {
    text-align: center;
    width: 18%;
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: calc(var(--step-delay, 0s) + 0.5s);
}

.alur .step:nth-child(1) { --step-delay: 0s; }
.alur .step:nth-child(2) { --step-delay: 0.2s; }
.alur .step:nth-child(3) { --step-delay: 0.4s; }
.alur .step:nth-child(4) { --step-delay: 0.6s; }
.alur .step:nth-child(5) { --step-delay: 0.8s; }

.alur .circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--white), var(--german-gold));
    color: var(--primary-orange-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px auto;
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    border: 4px solid var(--white);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.alur .step:hover .circle {
    transform: scale(1.1);
}

.alur .step h3 {
    color: var(--white);
    margin-bottom: 8px;
    font-size: 1.3rem;
    font-weight: 600;
}

.alur .step p {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* =========================================
   FOOTER SECTION (Lengkap dengan Grid)
   ========================================= */
.footer {
    background: linear-gradient(135deg, var(--dark-blue), #1a252f);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-orange), var(--german-gold));
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-orange);
    border-radius: 2px;
}

.footer-col p {
    margin-bottom: 15px;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-col i {
    margin-right: 12px;
    color: var(--german-gold);
    width: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition-speed);
    border-radius: 5px;
    padding: 5px 0;
}

.footer-col ul li a:hover {
    color: var(--primary-orange);
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.05);
    padding-left: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.1rem;
    transition: var(--transition-speed);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary-orange), var(--german-gold));
    transform: translateY(-5px) rotate(10deg);
    box-shadow: 0 10px 25px rgba(230, 126, 34, 0.4);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

/* =========================================
   RESPONSIVE DESIGN (Ditingkatkan)
   ========================================= */

/* Large Desktop */
@media (min-width: 1200px) {
    .container { max-width: 1300px; }
}

/* Tablet (max-width: 992px) */
@media (max-width: 992px) {
    .hero-text h1 { font-size: 3.5rem; }
    .hero-text p { font-size: 1.1rem; }
    .alur-timeline { 
        flex-wrap: wrap; 
        justify-content: center; 
        gap: 30px;
    }
    .alur-timeline::before { 
        display: none; 
    }
    .alur .step { 
        width: 45%; 
        margin-bottom: 20px; 
    }
    .footer-grid { 
        grid-template-columns: repeat(2, 1fr); 
        gap: 30px;
    }
    .program-grid { gap: 30px; }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    section { padding: 70px 0; }
    .hero { height: 90vh; }
    .hero-text h1 { font-size: 2.8rem; line-height: 1.2; }
    .hero-text p { font-size: 1rem; }
    .cta-button { 
        padding: 15px 30px; 
        font-size: 1rem;
        display: block;
        margin: 0 auto 20px;
    }
    .hero .prev, .hero .next { 
        padding: 10px 15px; 
        font-size: 20px;
        left: 10px; right: 10px;
    }

    .program-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .about-grid, .testimonial-grid { 
        grid-template-columns: 1fr; 
        gap: 30px;
        text-align: center; 
    }
    .about-card, .testimonial-card { 
        padding: 25px; 
        margin: 0 10px;
    }
    .about-card .icon-wrapper { 
        width: 70px; 
        height: 70px; 
        font-size: 1.8rem;
        margin: 0 auto 20px;
    }
    
    .alur-timeline { 
        flex-direction: column; 
        align-items: center; 
        gap: 40px;
    }
    .alur .step { 
        width: 100%; 
        max-width: 300px;
    }
    .alur h2 { font-size: 2.2rem; }
    .alur p { font-size: 1rem; }

    .footer-grid { 
        grid-template-columns: 1fr; 
        text-align: center;
        gap: 30px;
    }
    .social-links { justify-content: center; }
    .footer-col ul li a { justify-content: center; }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .container { padding: 0 15px; }
    .hero-text h1 { font-size: 2.2rem; }
    .filter-buttons-wrapper .filter-btn { 
        padding: 10px 20px; 
        margin: 5px 0; 
        display: block;
        width: 100%;
        max-width: 200px;
        margin-left: auto;
        margin-right: auto;
    }
    .alur-timeline::before { height: 3px; }
    .alur .circle { width: 60px; height: 60px; font-size: 1.5rem; }
}

/* Print styles (opsional) */
@media print {
    .hero .carousel, .wave-divider, .social-links { display: none; }
    section { padding: 20px 0; }
}