/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'SF Pro Text', 'SF Pro Display', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    font-weight: 400;
}

/* Container Utama */
.main-container {
    width: 90%;
    max-width: 1200px;
    margin-left: 60px;
    margin-right: auto;
    padding: 0 20px;
}

/* Garis Pembatas */
.divider {
    border: none;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.08);
    width: 100%;
    margin: 0;
}

/* Navbar Floating Liquid Glass */
nav {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 4px;
    padding: 6px;
    position: sticky;
    top: 20px;
    max-width: fit-content;
    margin: 20px auto 0 auto;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(30px) saturate(220%);
    -webkit-backdrop-filter: blur(30px) saturate(220%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06), inset 0 0 0 1.5px rgba(255, 255, 255, 0.5);
    border-radius: 40px;
    z-index: 100;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

nav::-webkit-scrollbar {
    display: none;
}

/* Liquid Glass Indicator */
.nav-indicator {
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 0;
    width: 0;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), inset 0 1px 1px rgba(255, 255, 255, 0.9), inset 0 -1px 1px rgba(0, 0, 0, 0.05);
    transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 1;
    pointer-events: none;
}

nav a {
    position: relative;
    z-index: 2;
    color: #515154;
    text-decoration: none;
    font-size: 12px;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    transition: color 0.3s ease;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

nav a.active,
nav a:hover { 
    color: #1d1d1f; 
}

/* Sections */
section, header, footer {
    padding: 60px 0;
    text-align: left;
}

h2 {
    font-weight: 600;
    font-size: 28px;
    letter-spacing: -0.003em;
    margin-bottom: 20px;
}

/* Hero */
.hero { text-align: left; }
.tagline { 
    color: #0066cc;
    font-size: 12px; 
    letter-spacing: 0.08em; 
    text-transform: uppercase; 
    margin-bottom: 10px;
    font-weight: 600;
}

/* Animasi Irama Musik */
.title { 
    font-size: 4.5rem; 
    font-weight: 600; 
    margin: 10px 0; 
    color: #1d1d1f; 
    letter-spacing: -0.015em; 
    display: flex;
}

.wave-text span {
    display: inline-block;
    animation: musicWave 2.4s ease-in-out infinite;
}

.wave-text span:nth-child(1) { animation-delay: 0.0s; }
.wave-text span:nth-child(2) { animation-delay: 0.2s; }
.wave-text span:nth-child(3) { animation-delay: 0.4s; }
.wave-text span:nth-child(4) { animation-delay: 0.6s; }
.wave-text span:nth-child(5) { animation-delay: 0.8s; }
.wave-text span:nth-child(6) { animation-delay: 1.0s; }
.wave-text span:nth-child(7) { animation-delay: 1.2s; }
.wave-text span.asterisk { animation-delay: 1.4s; }

@keyframes musicWave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.desc { 
    color: #6e6e73; 
    margin-bottom: 40px; 
    max-width: 600px; 
    font-size: 17px;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    font-weight: 400;
}

/* Button iOS */
.btn { 
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px; 
    background: #0071e3; 
    color: #ffffff; 
    text-decoration: none; 
    border-radius: 30px; 
    font-weight: 500;
    font-size: 14px;
    letter-spacing: -0.01em;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.3s ease, background-color 0.3s ease; 
    -webkit-tap-highlight-color: transparent;
}

.btn .chevron {
    font-weight: 600;
    font-size: 15px;
    transition: transform 0.3s ease;
}

.btn:hover { 
    background: #0077ed;
    transform: translateY(-2px); 
    box-shadow: 0 8px 20px rgba(0, 113, 227, 0.25);
}

.btn:hover .chevron {
    transform: translateX(4px);
}

/* Cards */
.card {
    background: #ffffff;
    padding: 34px 28px;
    margin-bottom: 24px;
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.025);
    transition: all 0.4s ease;
}
.card:hover { 
    transform: translateY(-4px); 
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}
.card h3 { 
    color: #1d1d1f; 
    margin-bottom: 10px; 
    font-weight: 600; 
    font-size: 20px;
    letter-spacing: -0.01em; 
}
.card p { 
    color: #6e6e73; 
    font-size: 14px; 
    line-height: 1.42857;
    font-weight: 400;
}

/* Skills List */
.skills ul {
    list-style-type: disc;
    padding-left: 20px;
    color: #1d1d1f;
}

.skills li {
    margin-bottom: 8px;
    font-size: 16px;
}

/* Marquee */
.marquee {
    background: #ffffff;
    padding: 18px 0;
    overflow: hidden;
    white-space: nowrap;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    margin: 20px 0;
}
.marquee-content {
    display: inline-block;
    animation: scroll 20s linear infinite;
    color: #6e6e73;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
}
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Footer */
footer { 
    text-align: left; 
    padding-bottom: 40px; 
}
footer h2 { 
    font-weight: 600; 
    margin-bottom: 15px; 
    color: #1d1d1f;
}
footer p { 
    color: #6e6e73; 
    font-size: 13px; 
    font-weight: 400; 
    margin-top: 6px; 
    line-height: 1.33337;
}

/* Terminal Teks */
.terminal {
    font-family: 'SF Mono', SFMono-Regular, ui-monospace, Menlo, monospace;
    color: #6e6e73;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
}

/* Animation Class */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsif */
@media (max-width: 768px) {
    .main-container {
        width: 100%;
        margin-left: 0;
        padding: 0 20px;
    }
}