/* ==============================================
   ANIMASI & KEYFRAMES (Mengatasi "Kaku")
   ============================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==============================================
   VARIABEL GLOBAL (Desain Baru & Modern)
   ============================================== */
:root {
    /* Font (Poppins & Nunito Sans) */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Nunito Sans', sans-serif;
    
    /* Palet Warna (Vibrant & Profesional) */
    --color-primary: #6D28D9; /* Ungu */
    --color-secondary: #14B8A6; /* Teal / Hijau Mint */
    --color-gradient: linear-gradient(90deg, var(--color-primary) 0%, #8B5CF6 100%);
    
    /* Warna Latar & Teks */
    --color-bg-light: #F8F9FA;
    --color-bg: #FFFFFF;
    --color-text-primary: #111827; /* Hitam pekat */
    --color-text-secondary: #374151; /* Abu-abu gelap */
    --color-text-muted: #6B7280; /* Abu-abu terang */
    --color-border: #E5E7EB;
    
    /* Bentuk & Bayangan */
    --border-radius-card: 16px;
    --border-radius-pill: 9999px;
    --shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.07);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    /* Animasi muat halaman */
    animation: fadeIn 0.8s ease-out;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==============================================
   HEADER & NAVIGASI
   ============================================== */
.main-header {
    padding: 30px 0;
    position: absolute;
    width: 100%;
    z-index: 10;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--color-text-primary);
    text-decoration: none;
}

.main-nav ul {
    list-style-type: none;
    display: flex;
    gap: 30px;
}

.main-nav ul li a {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 1rem;
    position: relative;
    padding-bottom: 5px;
}
/* Animasi garis bawah */
.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}
.main-nav ul li a:hover {
    color: var(--color-text-primary);
}
.main-nav ul li a:hover::after {
    width: 100%;
}

/* ==============================================
   HERO SECTION (index.html)
   ============================================== */
.hero {
    min-height: 100vh; /* Fullscreen */
    padding-top: 180px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    position: relative;
    overflow: hidden; /* Sembunyikan blob */
}

/* Bentuk "Blob" cair di latar belakang */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -20%;
    width: 70%;
    height: 90%;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    opacity: 0.1;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: blobMove 15s infinite ease-in-out;
    z-index: -1;
}
/* Animasi blob */
@keyframes blobMove {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: rotate(0deg); }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; transform: rotate(45deg); }
    100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: rotate(0deg); }
}

.hero-content {
    animation: fadeIn 0.8s ease-out 0.2s backwards;
}

/* Bentuk "speech bubble" */
.hero-subtitle {
    display: inline-block;
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    padding: 10px 20px;
    border-radius: var(--border-radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
}
.hero-subtitle::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 20px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-top-color: var(--color-bg-light);
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 4rem; /* Lebih besar & rapi */
    color: var(--color-text-primary);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-jobtitle {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-text-secondary);
    margin-bottom: 35px;
    font-weight: 300;
}
/* Warna font berbeda */
.hero-jobtitle span {
    color: var(--color-primary);
    font-weight: 700;
}

/* Tombol bentuk "Pill" */
.btn-primary {
    background: var(--color-gradient);
    color: #FFF;
    padding: 16px 35px;
    border-radius: var(--border-radius-pill);
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(109, 40, 217, 0.3);
}
.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(109, 40, 217, 0.4);
}

.hero-image {
    text-align: center;
    animation: fadeIn 0.8s ease-out 0.4s backwards;
}
.hero-image img {
    max-width: 90%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; /* Bentuk foto tidak kaku */
    box-shadow: var(--shadow-medium);
}

/* ==============================================
   CLIENTS / PORTFOLIO (index.html)
   ============================================== */
.clients-bar {
    text-align: center;
    padding: 30px;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-pill); /* Bentuk Pill Rapi */
    box-shadow: var(--shadow-soft);
    margin-top: 50px;
}
.clients-bar p {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-text-muted);
    font-weight: 600;
    letter-spacing: 2px;
}

.portfolio-section {
    padding: 100px 0; /* Jarak/whitespace lebih rapi */
}
.portfolio-section h2 {
    text-align: center;
    font-size: 2.8rem;
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    margin-bottom: 60px;
    animation: fadeIn 0.8s ease-out;
}
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px; /* Jarak antar kartu lebih rapi */
}
.project-card {
    background-color: var(--color-bg);
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: all 0.4s ease; /* Animasi hover lebih lambat */
}
/* Animasi hover "mengambang" */
.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}
.project-card img {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 10; /* Rasio gambar konsisten */
    object-fit: cover;
}
.project-card-content {
    padding: 30px;
}
.project-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: 10px;
}

/* ==============================================
   HALAMAN BLOG (blog.html & artikel-X.html)
   ============================================== */
.blog-header {
    background-color: var(--color-bg-light);
    padding: 180px 0 80px 0;
    text-align: center;
}
.blog-header h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--color-text-primary);
}

.blog-feed {
    padding: 80px 0;
    background-color: var(--color-bg);
}
/* Kartu artikel baru, lebih rapi */
.article-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--color-bg);
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-soft);
    margin-bottom: 40px;
    overflow: hidden;
    transition: all 0.4s ease;
}
.article-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}
.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--border-radius-card) 0 0 var(--border-radius-card);
}
.article-card-content {
    padding: 40px;
}
.article-card-content .meta {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 15px;
}
.article-card-content h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-text-primary);
    margin-bottom: 15px;
    line-height: 1.3;
}
.article-card-content h2 a {
    color: inherit;
}
.article-card-content h2 a:hover {
    color: var(--color-primary);
}
.article-card-content .summary {
    margin-bottom: 25px;
}

/* Halaman Artikel Lengkap (Lebih Rapi) */
.article-full {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}
.article-full-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg);
    padding: 50px; /* Padding lebih besar */
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-soft);
}
.article-full-content h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}
.article-full-content .meta {
    font-family: var(--font-heading);
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 40px;
    font-weight: 500;
}
.article-full-content p, 
.article-full-content ul, 
.article-full-content li {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
}
.article-full-content h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-text-primary);
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-border);
}
.article-full-content ul, 
.article-full-content ol {
    padding-left: 30px;
}
.article-full-content .header-image {
    width: 100%;
    border-radius: var(--border-radius-card);
    margin-bottom: 30px;
    box-shadow: var(--shadow-soft);
}

.article-full-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 1rem;
}
.article-full-content th,
.article-full-content td {
    border: 1px solid var(--color-border);
    padding: 12px;
    text-align: left;
}
.article-full-content th {
    background-color: var(--color-bg-light);
    font-family: var(--font-heading);
    font-weight: 600;
}
.article-full-content pre {
    background-color: var(--color-text-primary);
    color: #f8f8f2;
    padding: 20px;
    border-radius: var(--border-radius-card);
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    margin: 20px 0;
}
.article-full-content code {
    font-family: 'Courier New', Courier, monospace;
}

/* ==============================================
   FOOTER
   ============================================== */
.main-footer {
    background-color: var(--color-text-primary);
    color: var(--color-bg-light);
    text-align: center;
    padding: 60px 0;
    margin-top: 0;
}
.main-footer p {
    color: var(--color-text-muted);
    font-family: var(--font-body);
}

/* ==============================================
   RESPONSIF
   ============================================== */
@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr; /* Stack di tablet */
        padding-top: 200px;
        min-height: auto;
        padding-bottom: 60px;
        text-align: center;
    }
    .hero-content {
        padding: 0 20px;
    }
    .hero-image {
        margin-top: 40px;
    }
    .hero-image img { max-width: 70%; }
    .hero::before { width: 100%; right: -30%; } /* Blob lebih besar */
    .hero-subtitle::after { left: 50%; transform: translateX(-50%); }

    .portfolio-grid { grid-template-columns: 1fr; }
    
    .article-card { grid-template-columns: 1fr; } /* Stack di tablet */
    .article-card-image img { border-radius: var(--border-radius-card) var(--border-radius-card) 0 0; }
}

@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        gap: 20px;
    }
    .main-nav ul { gap: 20px; }

    .hero-content h1 { font-size: 2.8rem; }
    .hero-jobtitle { font-size: 1.5rem; }

    .blog-header { padding-top: 200px; }
    .blog-header h1 { font-size: 2.5rem; }

    .article-full-content { padding: 30px; }
    .article-full-content h1 { font-size: 2.2rem; }
}