/* style.css — Menu Utama */

/* Design Tokens */
:root {
    --bg: #0a0a0f;
    --bg-surface: #111118;
    --bg-card: #13131d;
    --bg-card-hov: #17172a;
    --border: rgba(255, 255, 255, 0.06);
    --border-blue: rgba(74, 144, 226, 0.25);
    --blue: #4a90e2;
    --blue-dim: rgba(74, 144, 226, 0.12);
    --blue-glow: rgba(74, 144, 226, 0.18);
    --text-hi: #ffffff;
    --text-body: #c8c8d8;
    --text-dim: #666680;
    --radius: 14px;
    --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background-color: var(--bg);
    color: var(--text-body);
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Particle Canvas */
#particles-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 6%;
    transition: background var(--transition), padding var(--transition), border-bottom var(--transition);
}

.navbar--scrolled {
    background: rgba(10, 10, 15, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 14px 6%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-hi);
    text-transform: uppercase;
}

.brand-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 10px var(--blue);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 8px var(--blue);
    }

    50% {
        box-shadow: 0 0 18px var(--blue);
    }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--text-dim);
    transition: color var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-hi);
}

.ext-icon {
    font-size: 0.75rem;
    color: var(--blue);
}

/* Hero */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 0 6%;
    padding-top: 90px;
}

.hero-content {
    max-width: 720px;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}

.hero-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 24px;
}

.kicker-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--text-hi);
    margin-bottom: 24px;
}

.hero-title--accent {
    color: var(--blue);
    position: relative;
}

.hero-title--accent::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), transparent);
    border-radius: 4px;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-body);
    line-height: 1.75;
    max-width: 560px;
    margin-bottom: 50px;
}

.hero-scroll-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
}

.scroll-arrow {
    animation: bounce 1.8s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(5px);
    }
}

.hero-badge {
    position: absolute;
    right: 6%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    opacity: 0.35;
}

.badge-lang {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue);
    writing-mode: vertical-rl;
}

.badge-sep {
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Projects section */
.projects {
    position: relative;
    z-index: 1;
    padding: 80px 6% 120px;
}

.projects-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 40px;
}

.label-line {
    display: inline-block;
    width: 40px;
    height: 1px;
    background: var(--border-blue);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
}

/* Card */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 30px 28px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition),
        background var(--transition), box-shadow var(--transition);
    /* Fade-in */
    opacity: 0;
    transform: translateY(22px);
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    background: var(--bg-card-hov);
    border-color: var(--border-blue);
    box-shadow: 0 0 0 1px var(--border-blue), 0 24px 48px rgba(0, 0, 0, 0.4);
}

.card--locked {
    opacity: 0.38 !important;
    cursor: not-allowed;
    pointer-events: none;
}

.card-glow {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--blue-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition);
}

.card:hover .card-glow {
    opacity: 1;
}

.card-glow--dim {
    opacity: 0.3 !important;
}

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

.card-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--border-blue);
    letter-spacing: -1px;
    line-height: 1;
    transition: color var(--transition);
}

.card:hover .card-number {
    color: var(--blue);
}

.card-pill {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    color: var(--text-dim);
}

.card-pill--blue {
    background: var(--blue-dim);
    border-color: var(--border-blue);
    color: var(--blue);
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-hi);
    letter-spacing: -0.3px;
    line-height: 1.3;
}

.card-desc {
    font-size: 0.87rem;
    color: var(--text-body);
    line-height: 1.7;
    flex: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 6px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.card-repo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-dim);
    transition: color var(--transition);
    position: relative;
    z-index: 2;
}

.card:hover .card-repo {
    color: var(--text-hi);
}

.card-repo:hover {
    color: var(--blue) !important;
}

.repo-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    transition: opacity var(--transition);
    filter: invert(1);
}

.card:hover .repo-icon {
    opacity: 1;
}

.card-repo:hover .repo-icon {
    filter: invert(0.6) sepia(1) saturate(5) hue-rotate(180deg);
}

.card-path {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.repo-icon-locked {
    font-size: 0.9rem;
    opacity: 0.7;
}

.card-arrow {
    font-size: 1.1rem;
    color: var(--blue);
    transition: transform var(--transition);
}

.card:hover .card-arrow {
    transform: translateX(6px);
}

.stretched-link::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    content: "";
}

.card-lock {
    font-size: 0.9rem;
    opacity: 0.5;
}

/* Footer */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 36px 6%;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 500;
}

.footer-sub {
    font-size: 0.72rem;
    color: var(--text-dim);
    opacity: 0.55;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 100px 5% 60px;
    }

    .hero-badge {
        display: none;
    }

    .projects {
        padding: 60px 5% 80px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .navbar {
        padding: 18px 5%;
    }

    .navbar--scrolled {
        padding: 12px 5%;
    }

    .nav-links {
        gap: 22px;
    }

    .card {
        padding: 24px 20px 20px;
    }
}