/* ============================================================
   ROOT VARIABLES
   ============================================================ */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #111128;
    --text-primary: #ffffff;
    --text-secondary: #b0b0d0;
    --text-muted: #6a6a8a;
    --gradient-1: linear-gradient(135deg, #00d4ff, #7b2ffc);
    --gradient-2: linear-gradient(135deg, #f093fb, #f5576c);
    --gradient-3: linear-gradient(135deg, #4facfe, #00f2fe);
    --glow-1: 0 0 40px rgba(0, 212, 255, 0.15);
    --font-poppins: 'Poppins', sans-serif;
    --font-rajdhani: 'Rajdhani', sans-serif;
    --radius: 20px;
    --transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================================================
   RESET
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-poppins);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    cursor: none;
}
::selection { background: var(--gradient-1); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gradient-1); border-radius: 10px; }

/* ============================================================
   PRELOADER
   ============================================================ */
#preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.loader { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.loader-ring {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
    animation: spin 1s linear infinite;
}
.loader-ring:nth-child(1) { width: 80px; height: 80px; border-top-color: #00d4ff; }
.loader-ring:nth-child(2) { width: 60px; height: 60px; border-top-color: #7b2ffc; animation-duration: 1.2s; }
.loader-ring:nth-child(3) { width: 40px; height: 40px; border-top-color: #f5576c; animation-duration: 1.4s; }
.loader span { margin-top: 90px; font-family: var(--font-rajdhani); font-size: 18px; font-weight: 600; color: #666; letter-spacing: 4px; animation: pulseText 1.5s infinite; }

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-dot {
    position: fixed;
    width: 8px; height: 8px;
    background: #00d4ff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s;
}
.cursor-ring {
    position: fixed;
    width: 40px; height: 40px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all 0.15s ease;
}
.cursor-dot.hover { width: 16px; height: 16px; background: #7b2ffc; }
.cursor-ring.hover { width: 60px; height: 60px; border-color: rgba(123, 47, 252, 0.5); }

/* ============================================================
   SCROLL PROGRESS
   ============================================================ */
.scroll-progress { position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 10000; background: transparent; }
.scroll-progress-bar { height: 100%; width: 0%; background: var(--gradient-1); border-radius: 0 3px 3px 0; transition: width 0.1s ease; }

/* ============================================================
   PARTICLES CANVAS
   ============================================================ */
#particlesCanvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

/* ============================================================
   GLASSMORPHISM
   ============================================================ */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 1;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 18px 0;
    background: rgba(10, 10, 26, 0.6);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}
.navbar.scrolled { padding: 12px 0; background: rgba(10, 10, 26, 0.95); box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4); }
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-family: var(--font-rajdhani);
    font-size: 30px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    text-decoration: none;
}
.logo span { -webkit-text-fill-color: #7b2ffc; }
.nav-menu { display: flex; gap: 36px; align-items: center; list-style: none; }
.nav-menu a {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    text-decoration: none;
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.nav-menu a:hover, .nav-menu a.active { color: #fff; }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   SECTION
   ============================================================ */
.section {
    padding: 100px 0 80px;
    position: relative;
    z-index: 1;
}
.section-header {
    text-align: center;
    margin-bottom: 50px;
}
.section-header h2 {
    font-family: var(--font-rajdhani);
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 2px;
}
.section-header .line {
    width: 60px;
    height: 4px;
    margin: 12px auto 0;
    background: var(--gradient-1);
    border-radius: 4px;
}

/* ============================================================
   TEXT 3D
   ============================================================ */
.text-3d {
    font-family: var(--font-rajdhani);
    font-size: 80px;
    font-weight: 900;
    letter-spacing: 4px;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.2), 0 0 40px rgba(123, 47, 252, 0.1), 0 4px 0 #00d4ff22, 0 8px 0 #00d4ff11, 0 12px 20px rgba(0, 0, 0, 0.4);
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-3d-small {
    font-family: var(--font-rajdhani);
    font-size: 38px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.15), 0 4px 0 rgba(0, 212, 255, 0.1);
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   HOME
   ============================================================ */
.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.03) 0%, transparent 70%);
}
.home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.home-left .badge {
    display: inline-block;
    padding: 6px 22px;
    border-radius: 50px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    font-size: 13px;
    font-weight: 500;
    color: #00d4ff;
    margin-bottom: 16px;
}
.home-left h1 { margin-bottom: 4px; }
.typing {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.typing .typed-text { color: #00d4ff; font-weight: 600; }
.desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 28px;
}
.desc strong { color: #7b2ffc; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: var(--font-poppins);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}
.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 4px 30px rgba(0, 212, 255, 0.2);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 8px 50px rgba(0, 212, 255, 0.3); }
.btn-primary:active { transform: scale(0.96); }
.btn-primary svg {
    width: 20px; height: 20px;
    fill: none; stroke: #fff;
    stroke-width: 2.5;
    stroke-linecap: round; stroke-linejoin: round;
    transition: transform 0.3s ease;
}
.btn-primary:hover svg { transform: translateX(6px); }
.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
    animation: shineBtn 4s infinite linear;
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.08);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-3px); border-color: #00d4ff; }

/* ============================================================
   SOCIAL
   ============================================================ */
.social { display: flex; gap: 12px; }
.social-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px; height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 20px;
    color: var(--text-secondary);
    transition: var(--transition);
    text-decoration: none;
}
.social-link::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -32px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 4px 12px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-poppins);
    transition: transform 0.3s ease;
    white-space: nowrap;
}
.social-link:hover::before { transform: translateX(-50%) scale(1); }
.social-link:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: #00d4ff;
    color: #fff;
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.1);
}

/* ============================================================
   CUBE 3D
   ============================================================ */
.cube-container {
    perspective: 1000px;
    width: 280px;
    height: 280px;
    margin: 0 auto;
}
.cube-3d {
    width: 100%; height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: spinCube 15s infinite linear;
}
.cube-face {
    position: absolute;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(0, 212, 255, 0.15);
    border-radius: 16px;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(10px);
    overflow: hidden;
}
.cube-face img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 14px;
}
.cube-text {
    font-family: var(--font-rajdhani);
    font-size: 48px;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}
.cube-face.front  { transform: translateZ(140px); border-color: rgba(0, 212, 255, 0.3); }
.cube-face.back   { transform: rotateY(180deg) translateZ(140px); border-color: rgba(123, 47, 252, 0.3); }
.cube-face.right  { transform: rotateY(90deg) translateZ(140px); border-color: rgba(245, 87, 108, 0.3); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(140px); border-color: rgba(255, 215, 0, 0.3); }
.cube-face.top    { transform: rotateX(90deg) translateZ(140px); border-color: rgba(0, 242, 254, 0.3); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(140px); border-color: rgba(255, 107, 0, 0.3); }

@keyframes spinCube {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}
.cube-3d:hover { animation-play-state: paused; }

/* ============================================================
   SCROLL DOWN
   ============================================================ */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #444;
    font-size: 12px;
    letter-spacing: 2px;
    animation: bounceScroll 2s infinite;
}
@keyframes bounceScroll {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}
.scroll-line { width: 2px; height: 40px; background: linear-gradient(to bottom, #00d4ff, transparent); }

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: radial-gradient(ellipse at 70% 50%, rgba(123, 47, 252, 0.03) 0%, transparent 70%); }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.about-card {
    padding: 32px 28px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(40px) scale(0.95);
}
.about-card.visible { opacity: 1; transform: translateY(0) scale(1); }
.about-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-1);
}
.about-card .about-icon { font-size: 44px; margin-bottom: 12px; display: inline-block; }
.about-card h3 { font-family: var(--font-rajdhani); font-size: 20px; font-weight: 600; margin-bottom: 10px; letter-spacing: 1px; }
.about-card p { color: var(--text-secondary); font-size: 14px; }
.about-card strong { color: #00d4ff; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills { background: radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.02) 0%, transparent 70%); }
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.skill-item {
    padding: 16px 22px 18px;
    border-radius: 14px;
    transition: var(--transition);
}
.skill-item:hover {
    transform: translateX(6px);
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-1);
}
.skill-info { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.skill-icon { font-size: 22px; }
.skill-name { flex: 1; font-size: 15px; font-weight: 500; }
.skill-percent { font-size: 14px; font-weight: 600; color: #00d4ff; }
.skill-bar { width: 100%; height: 6px; background: rgba(255, 255, 255, 0.05); border-radius: 6px; overflow: hidden; }
.skill-fill { height: 100%; border-radius: 6px; background: var(--gradient-1); width: 0%; transition: width 1.8s cubic-bezier(0.22, 1, 0.36, 1); }

/* ============================================================
   PROJECTS (TERMINAL)
   ============================================================ */
.projects { background: radial-gradient(ellipse at 50% 50%, rgba(123, 47, 252, 0.02) 0%, transparent 70%); }

/* ============================================================
   RATING CARDS
   ============================================================ */
.rating-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.rating-card {
    padding: 30px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}
.rating-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-1);
}
.rating-icon {
    display: inline-block;
    font-size: 40px;
    padding: 12px 20px;
    border-radius: 16px;
    margin-bottom: 12px;
}
.rating-card h3 { font-family: var(--font-rajdhani); font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.rating-card .stars {
    font-size: 20px;
    color: #ffd700;
    margin-bottom: 8px;
}
.rating-card .stars span {
    font-size: 14px;
    color: #fff;
    margin-left: 6px;
}
.rating-card p { color: var(--text-secondary); font-size: 14px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: radial-gradient(ellipse at 50% 100%, rgba(0, 212, 255, 0.02) 0%, transparent 70%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; justify-content: center; }
.contact-item {
    display: flex; align-items: center; gap: 18px;
    padding: 18px 24px;
    border-radius: 16px;
    transition: var(--transition);
}
.contact-item:hover {
    transform: translateX(8px);
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-1);
}
.contact-item span { font-size: 26px; }
.contact-item p { font-size: 16px; color: var(--text-secondary); }

.contact-form {
    padding: 32px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-form input, .contact-form textarea {
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    font-family: var(--font-poppins);
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: #00d4ff;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.04);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #444; }
.contact-form .btn-submit { width: 100%; justify-content: center; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    padding: 28px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
    z-index: 1;
}
footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
footer p { color: #444; font-size: 14px; }
footer strong { color: #00d4ff; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { color: #444; font-size: 18px; transition: var(--transition); text-decoration: none; }
.footer-social a:hover { color: #00d4ff; }

/* ============================================================
   ANIMATIONS (DIPINDAH KE animations.css)
   ============================================================ */
@keyframes spin {
    to { transform: rotate(360deg); }
}
@keyframes pulseText {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}
@keyframes shineBtn {
    0% { transform: translate(-30%, -30%) rotate(0deg); }
    100% { transform: translate(30%, 30%) rotate(360deg); }
}