/* ==========================================================================
   1. VARIABLES & RESET
   ========================================================================== */
:root {
    --bg-dark: #0a0a0a;
    --accent-blue: #6A97AC;
    --text-gray: #a0a0a0;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --transition-smooth: 0.5s cubic-bezier(0.2, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: #ffffff;
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ==========================================================================
   2. BACKGROUND COMPONENTS
   ========================================================================== */
.grid-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.8;
}

/* ==========================================================================
   3. NAVIGATION
   ========================================================================== */
nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1250px;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border);
    padding: 15px 30px;
    border-radius: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

#logo-text { 
    font-size: 22px; 
    font-weight: 800; 
}

#logo-text span { 
    color: var(--accent-blue); 
}

.menu-capsule {
    background: var(--accent-blue);
    padding: 10px 25px;
    border-radius: 50px;
    display: flex;
    gap: 25px;
}

.menu-capsule a {
    text-decoration: none;
    color: white;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.7;
    transition: 0.3s;
}

.menu-capsule a.active, 
.menu-capsule a:hover { 
    opacity: 1; 
}

/* ==========================================================================
   4. HERO SECTION
   ========================================================================== */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5%;
}

#hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1250px;
    gap: 40px;
}

#hero-inner { 
    flex: 1; 
    max-width: 650px; 
}

#hero-title {
    font-size: clamp(40px, 6vw, 70px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

#hello-typing {
    color: var(--accent-blue);
    border-right: 3px solid var(--accent-blue);
    padding-right: 10px;
    animation: blink 0.8s infinite;
}

#hero-desc {
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 40px;
}

/* Tool Stack Marquee */
.stack-label {
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--accent-blue);
}

#tools-marquee {
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: 15px;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.tools-track { 
    display: flex; 
    gap: 35px; 
    animation: scroll 20s linear infinite; 
}

.tools-track img { 
    height: 30px; 
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.3s ease;
    cursor: pointer;
    filter: grayscale(0.5);
}

.tools-track img:hover { 
    transform: scale(1.25);
    filter: grayscale(0);
    z-index: 10;
}

/* Hero Photo */
#hero-photo-container {
    flex: 0 0 350px;
    display: flex;
    justify-content: flex-end;
}

#hero-photo {
    width: 100%;
    max-width: 350px;
    height: auto;
    transition: 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(50px);
    opacity: 0;
}

#hero-photo.show {
    transform: translateX(-100px); 
    opacity: 1;
}

/* ==========================================================================
   5. WHAT I OFFER SECTION
   ========================================================================== */
#what-i-offer { 
    padding: 0 5% 100px; 
    display: flex; 
    justify-content: center; 
    margin-top: -90px; 
    position: relative; 
    z-index: 5;
}

.offer-container {
    background: #0d0d0d;
    border-radius: 50px;
    padding: 80px 60px;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 1250px;
}

.offer-header { 
    text-align: center; 
    margin-bottom: 70px; 
}

.tag { 
    color: var(--accent-blue); 
    font-weight: 800; 
    letter-spacing: 3px; 
    font-size: 20px; 
}

.offer-header h2 { 
    font-size: clamp(26px, 4vw, 36px); 
    margin-top: 20px; 
}

#about-cards-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.info-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 45px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 480px;
}

.info-card:hover { 
    transform: translateY(-15px); 
    border-color: var(--accent-blue); 
}

.card-header { 
    font-weight: 800; 
    margin-bottom: 20px; 
    display: flex;
    align-items: center;
}

.dot { 
    width: 10px; 
    height: 10px; 
    background: var(--accent-blue); 
    border-radius: 50%; 
    display: inline-block; 
    margin-right: 10px; 
}

.card-desc { 
    color: var(--text-gray); 
    margin-bottom: 25px; 
}

.card-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 800;
    font-size: 14px;
    display: inline-block;
    margin-top: auto;
    transition: 0.3s ease;
}

.card-link:hover {
    opacity: 0.8;
    letter-spacing: 1px;
}

.about-card-img, 
.cert-marquee-container {
    width: 100%;
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.about-card-img img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
}

.cert-row { 
    display: flex; 
    gap: 15px; 
    animation: scroll 15s linear infinite; 
}

.cert-row img { 
    height: 200px; 
}

/* ==========================================================================
   6. FOOTER
   ========================================================================== */
footer {
    text-align: center;
    padding: 60px 5% 40px;
    background-color: var(--bg-dark);
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 10;
}

.footer-content {
    max-width: 1250px;
    margin: 0 auto;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-gray);
    font-size: 13px;
    letter-spacing: 0.5px;
}

.footer-credit {
    font-style: italic;
    opacity: 0.6;
    font-weight: 400;
}

/* ==========================================================================
   7. ANIMATIONS
   ========================================================================== */
@keyframes scroll { 
    from { transform: translateX(0); } 
    to { transform: translateX(-50%); } 
}

@keyframes blink { 
    50% { border-color: transparent; } 
}

/* ==========================================================================
   7. MEDIA QUERIES (HANYA PERBAIKAN MOBILE)
   ========================================================================== */
@media (max-width: 1000px) {
    header { padding-top: 120px; min-height: auto; }
    #hero-content { flex-direction: column-reverse; text-align: center; }
    #hero-photo-container { width: 100%; max-width: 280px; flex: none; margin-bottom: 20px; justify-content: center; }
    #hero-photo.show { transform: translateX(0); opacity: 1; }
    #tools-marquee { margin: 0 auto; }
}

@media (max-width: 768px) {
    /* 1. Navigasi tetap aman */
    nav { 
        width: 90%; 
        padding: 12px 15px; /* Disamakan agar tinggi nav identik */
        flex-direction: column; 
        gap: 10px; 
        border-radius: 20px; 
        top: 10px; /* Jarak dari atas layar disamakan */
    }

    .menu-capsule { 
        width: 100%; 
        justify-content: center; 
        padding: 6px 12px; 
        gap: 12px; 
    }

    .menu-capsule a { 
        font-size: 10px; 
    }

    /* 2. Hero Section */
    header { padding-top: 150px; padding-bottom: 40px; }
    #hero-title { font-size: 32px; line-height: 1.2; }
    
    /* 3. FIX: Kontainer What I Offer disesuaikan agar menampung konten */
    #what-i-offer { 
        margin-top: 40px !important; 
        padding: 0 5% 60px;
        height: auto; /* Biarkan tinggi mengikuti isi */
    }

    .offer-container { 
        padding: 40px 20px; 
        border-radius: 35px; 
        height: auto; /* Memastikan kontainer hitam membungkus semua kartu */
        display: block; /* Menghindari bug overflow pada flex/grid tertentu */
    }

    .offer-header { margin-bottom: 30px; }
    
    /* 4. FIX: Layout Kartu yang Meluap */
    #about-cards-section { 
        display: flex; /* Gunakan flex column untuk kontrol lebih baik di mobile */
        flex-direction: column;
        gap: 20px; 
        width: 100%;
    }
    
    .info-card { 
        padding: 25px; 
        min-height: auto; /* Menghapus batasan tinggi minimum agar pas di HP */
        height: auto;
        background: rgba(13, 13, 13, 0.95);
        overflow: hidden; /* Mencegah elemen dalam keluar jalur */
    }

    /* 5. Gambar & Sertifikat Proporsional */
    .about-card-img, 
    .cert-marquee-container { 
        aspect-ratio: 16 / 9; 
        height: auto;
        width: 100%;
        margin: 15px 0;
    }

    .cert-row img { 
        height: 100px; /* Mengecilkan sertifikat di mobile agar tidak memakan tempat */
    }

    .card-header { font-size: 15px; margin-bottom: 10px; }
    .card-desc { font-size: 14px; margin-bottom: 15px; }
    .card-link { margin-top: 10px; display: block; }

    /* 6. Footer */
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}