* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #1a1a1a;
    --secondary-black: #333333;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #495057;
    --accent-green: #0cad00;
    --accent-green-hover: #059669;
    --white: #ffffff;
    --border-gray: #e9ecef;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--primary-black);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    position: fixed;
    background-color: white;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}


.nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:1rem;
    padding:0.6rem 1rem;
    border-bottom:1px solid #eef2f7;
}


.brand{
display:flex;
gap:0.6rem;
align-items:center;
text-decoration:none;
color:var(--text);
font-weight:600;
font-size:1.05rem;
}


.brand .logo{
width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#7c3aed);display:inline-flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:0.9rem
}


/* Nav links */
.nav-links {
    display:flex;
    gap:1rem;
    align-items:center;
}


.nav-links a {
    font-family:Inter;
    text-decoration:none;
    color:var(--muted);
    padding:0.45rem 0.6rem;
    border-radius:6px;
    font-size:0.95rem;
}

.nav-links a:hover {
    color:var(--text);
    background:#f8fafc}

    .logo {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 20px;
    color: var(--primary-black);
    text-decoration: none;
}


/* Mobile toggle button */
.menu-toggle{
    display:none;
    background:transparent;border:0;padding:0.3rem;border-radius:6px;cursor:pointer
}


/* Mobile menu (hidden by default) */
.mobile-menu{
    display:none;
    flex-direction:column;
    gap:0.4rem;
    padding:0.6rem 1rem 1rem 1rem;
    border-bottom:1px solid #eef2f7;
}

.mobile-menu a {
    color:#0cad00; 
    font-family:Inter;
    text-decoration:none;
}


/* Responsive behaviour */
@media (max-width: 768px){
    .nav-links{display:none}
    .menu-toggle{display:inline-flex}
    .mobile-menu{display:flex}
}


/* Utility */
.hidden{display:none !important}



/* Hero Section */
.hero {
    padding: 200px 0 100px;
    background: 
        linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(26, 26, 26, 0.5) 100%),
        url('https://images.pexels.com/photos/3184418/pexels-photo-3184418.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop') center/cover no-repeat;
    text-align: center;
    position: relative;
}

#inside-about {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(26, 26, 26, 0.5) 100%), 
    url('image/hero-inside01.jpg') top center no-repeat;

}

#inside-services {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(26, 26, 26, 0.5) 100%), 
    url('image/hero-inside02.jpg') top center no-repeat;

}

#inside-works {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(26, 26, 26, 0.5) 100%), 
    url('image/hero-inside03.jpg') top center no-repeat;

}


.hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-green);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.cta-button:hover {
    background-color: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Section Styling */
.section {
    padding: 80px 0;
}

.section-column-style {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top:4rem;
    margin-bottom: 3rem;
}

.section-column-style-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    margin-top:4rem;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    line-height: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-black);
}

.section-title-inside {
    font-size: 2.5rem;
    line-height: 2.8rem;
    font-weight: 700;
    text-align: left;
    margin-bottom: 3rem;
    color: var(--primary-black);
}

.section-content2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 0 auto;
    padding: 50px;
}


.about-image {
    margin-right: 50px;
}

.about-form {
    margin-left: 50px;
}

.section-content {
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
}

#faq {
    max-width: 800px;
    display:flex;
    flex-direction: column;
}

.section-content p {
    margin-bottom: 1.5rem;
}

.section-content details {
    margin-bottom: 1.2rem;
    padding-bottom: 10px;
    border-bottom:#ccc solid 1pt;
}

.section-content details p, ul {
    padding-left:15px;
}

.section-content summary {
    font-weight: bold;
}


/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 1rem;
    border-left: 4px solid var(--accent-green);
    padding-left: 1rem;
}

.service-features {
    list-style: none;
    margin-top: 1.5rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 600;
}


/* Pentingnya Keterbukaan Informasi */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
    margin-top: 3rem;
}

.why-card {
    background-color: var(--accent-green);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
}

.why-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 15px auto 1.5rem;
    font-size: 1.5rem;
    color: var(--white);
}

.why-card h4 {
    font-size: 1.5rem;
    line-height: 1.8rem;
    font-weight: 600;
    color: var(--white);
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.why-card p {
    font-size: 0.95rem;
    line-height: 1.1rem;
    color: var(--light-gray);
    margin-bottom: 1rem;
}




/* Mengapa Pilih PTA */
#features {
    background: url('image/bg-why.jpg') no-repeat;
    background-size:cover; 
}

.features-grid-start {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
}

.features-grid {
    display: flex;
/*    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); */
    ;flex-direction: column;;
    gap: 0.9rem;
}

.feature-item {
    padding: 0.3rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: var(--white);
}

.feature-item h4 {
    font-size: 1.2rem;
    line-height: 1.5rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 1rem;
}

.feature-item p {
    font-size: 0.95rem;
    line-height: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}


/* CTA Section */
.cta-section {
    background-color: var(--accent-green);
    color: var(--white);
    text-align: center;
}

.cta-section .section-title {
    color: var(--white);
}

.cta-section .section-content {
    color: rgba(255, 255, 255, 0.6);
}

.cta-button-white {
    background-color: var(--white);
    color: var(--accent-green);
    font-weight: 600;
}

.cta-button-white:hover {
    background-color: var(--light-gray);
    color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

/* Footer */
footer {
    background-color: var(--secondary-black);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}


/* Form */

    .form-group {
      margin-bottom: 15px;
    }

    .form-group label {
      display: block;
      margin-bottom: 5px;
      color: #333;
      font-weight: bold;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 6px;
      font-size: 14px;
      transition: border 0.3s ease;
    }

    .form-group input:focus,
    .form-group textarea:focus {
      border-color: #007bff;
      outline: none;
    }

    .form-group textarea {
      resize: vertical;
      min-height: 100px;
    }

    .btn-submit {
      width: 100%;
      padding: 20px;
      background: #007bff;
      color: #fff;
      font-size: 20px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: background 0.3s ease;
    }

    .btn-submit:hover {
      background: #0056b3;
    }



/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .section-content2 {
        display: flex;
        margin: 0 auto;
    }

    .about-image {
        display: none;
    }

    .features-grid-start {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 3rem;
    }

    .feature-image {
        display:none;
    }
}





/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.animate-on-scroll {
    animation: fadeInUp 0.6s ease-out;
}