@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* CSS Variables for Theming */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #e5e5e7;
    --accent-color: #3b82f6; /* Modern Blue */
    --accent-color-rgb: 59, 130, 246;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --grid-gap: 20px;
    --border-radius: 12px;
}

body.dark-mode {
    --bg-primary: #0a0a0b;
    --bg-secondary: #141416;
    --bg-card: #111112;
    --text-primary: #f3f4f6;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    --border-color: #27272a;
    --accent-color: #60a5fa; /* Lighter Blue for Dark Mode */
    --accent-color-rgb: 96, 165, 250;
    --accent-glow: rgba(96, 165, 250, 0.15);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    transition: background-color var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease);
    overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(var(--bg-primary), 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

/* Theme Toggle Switch */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: background-color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-secondary);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.theme-toggle .sun-icon {
    display: none;
}

body.dark-mode .theme-toggle .moon-icon {
    display: none;
}

body.dark-mode .theme-toggle .sun-icon {
    display: block;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
}

.hero-content {
    width: 100%;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    line-height: 0.9;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.hero-title span {
    display: block;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: 60px;
    margin-top: 50px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 120px 0 60px 0;
    }
    .stats-row {
        flex-direction: column;
        gap: 30px;
    }
}

/* Bento Grid System for sections */
.section-header {
    margin-bottom: 60px;
}

.section-label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -0.03em;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--grid-gap);
}

.bento-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: transform var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.bento-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px var(--accent-glow);
    transform: translateY(-4px);
}

/* Card sizes */
.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

@media (max-width: 992px) {
    .col-8, .col-4, .col-6, .col-3 {
        grid-column: span 6;
    }
}

@media (max-width: 576px) {
    .col-8, .col-4, .col-6, .col-3, .col-12 {
        grid-column: span 12;
    }
}

/* Card typography & custom styles */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.card-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.card-arrow {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: var(--text-secondary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.2s;
}

.bento-card:hover .card-arrow {
    transform: translate(2px, -2px);
    stroke: var(--accent-color);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.card-lang {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Sections padding */
.section {
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
}

/* Services / Keahlian Section */
.service-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.service-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    align-items: start;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.service-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-muted);
}

.service-name {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.service-desc {
    color: var(--text-secondary);
    max-width: 700px;
}

/* Quote / Press Wall Section */
.quote-container {
    padding: 60px 40px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border: 1px solid var(--border-color);
    position: relative;
}

.quote-icon {
    font-family: var(--font-heading);
    font-size: 8rem;
    line-height: 1;
    position: absolute;
    top: -20px;
    left: 40px;
    color: var(--border-color);
    opacity: 0.3;
    pointer-events: none;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.quote-author {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.about-left h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.about-left p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 30px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.detail-value {
    color: var(--text-primary);
}

.about-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 40px;
    position: relative;
}
.profile-initials {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px var(--accent-glow);
    transition: transform var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease);
}

.profile-initials:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.about-links {
    display: flex;
    gap: 20px;
}

.about-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    background-color: var(--bg-card);
    transition: border-color 0.2s, background-color 0.2s;
}

.about-btn:hover {
    border-color: var(--accent-color);
    background-color: var(--bg-secondary);
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Contact / Footer Section */
footer {
    padding: 100px 0 60px 0;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    margin-bottom: 30px;
}

.footer-heading span {
    display: block;
    color: var(--text-secondary);
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.contact-link {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.contact-link:hover {
    color: var(--accent-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.copyright {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s;
}

.social-link:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
}

/* Custom interactive classes */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-ease),
                transform 0.8s var(--transition-ease);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

.badge {
    background-color: var(--border-color);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-github {
    background-color: var(--accent-color);
    color: #ffffff;
}