/* ========================================
   BENGKEL LAS WEBSITE - MODERN CSS
   Clean & Flat Minimalist White Theme
   ======================================== */

/* ========== CSS VARIABLES ========== */
:root {
    /* Colors - Diubah dari Neon/Gelap ke Flat Light */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    
    --text-primary: #0f172a; /* Hitam Slate */
    --text-secondary: #475569; /* Abu-Abu Sedang */
    --text-muted: #94a3b8; /* Abu-Abu Terang */
    
    --accent-orange: #0f172a; /* Mengubah oranye menjadi hitam solid polos */
    --accent-orange-dark: #1e293b;
    --accent-orange-light: #334155;
    
    --accent-glow: rgba(0, 0, 0, 0.02);
    
    --border-color: #e2e8f0;
    --border-hover: #0f172a;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Orbitron', sans-serif;
    
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3rem);
    --text-5xl: clamp(2.75rem, 2rem + 3.75vw, 4rem);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows - Dibuat sangat tipis dan flat */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-orange: 0 4px 12px rgba(15, 23, 42, 0.05);
    
    /* Container */
    --container-max: 1280px;
    --container-padding: clamp(1rem, 2vw, 2rem);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Menonaktifkan gradasi teks agar flat */
.text-gradient {
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: unset !important;
    background-clip: unset !important;
    color: var(--text-primary) !important;
}

/* ========== CONTAINER ========== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: clamp(0.75rem, 1vw, 1rem) clamp(1.25rem, 2vw, 1.75rem);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--text-primary);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--accent-orange-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.btn-secondary:hover {
    background: var(--text-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-cta {
    background: var(--text-primary);
    color: #ffffff;
    font-size: var(--text-lg);
    padding: clamp(1rem, 1.5vw, 1.25rem) clamp(1.75rem, 3vw, 2.5rem);
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.02);
    background: var(--accent-orange-dark);
}

.btn-submit {
    background: var(--text-primary);
    color: #ffffff;
    width: 100%;
    justify-content: center;
}

.btn-submit:hover {
    transform: translateY(-2px);
    background: var(--accent-orange-dark);
}

/* ========== SECTION ========== */
.section {
    padding: clamp(4rem, 8vw, 6rem) 0;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== REVEAL ANIMATIONS ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }
.reveal.delay-5 { transition-delay: 0.5s; }

/* ========== NAVBAR (Flat White) ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-normal);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xs) 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

.navbar-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    z-index: 1001;
}

.logo-icon {
    font-size: 1.5em;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--text-primary);
}

/* Desktop Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2rem);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link-accent {
    color: var(--text-primary) !important;
    font-weight: 600;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    padding: 5px 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

.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(7px, -6px);
}

/* ========== HERO SECTION (Polos Light) ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f8f9fa;
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.04; /* Sangat tipis/samar sekali */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent; /* Hilangkan gelap gulita */
    z-index: 2;
}

/* Animasi Percikan Api Dimatikan Sepenuhnya agar flat */
.hero-sparks, .spark {
    display: none !important;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    max-width: 650px;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Hero Visual Cards */
.hero-visual {
    position: relative;
    height: 400px;
}

.hero-card {
    position: absolute;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.hero-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-5px);
}

.hero-card:nth-child(1) {
    top: 0;
    right: 0;
    width: 280px;
    animation: float 6s ease-in-out infinite;
}

.hero-card:nth-child(2) {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 260px;
    animation: float 6s ease-in-out infinite 2s;
}

.hero-card:nth-child(3) {
    bottom: 0;
    right: 50px;
    width: 240px;
    animation: float 6s ease-in-out infinite 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-card-content {
    text-align: center;
}

.hero-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.hero-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
}

.scroll-indicator {
    color: var(--text-muted);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-primary), transparent);
    margin: var(--spacing-xs) auto 0;
    animation: scroll-pulse 2s infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ========== ABOUT SECTION ========== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-intro h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-intro p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: #f1f5f9;
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    flex-shrink: 0;
}

/* Stats Cards */
.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* ========== SERVICES SECTION ========== */
.services {
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

.service-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-desc {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.service-features {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.service-features li {
    color: var(--text-muted);
    font-size: var(--text-xs);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--text-primary);
}

/* ========== PORTFOLIO SECTION ========== */
.portfolio {
    background: var(--bg-secondary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: #ffffff;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 Kolom Sejajar Sejak Awal */
    gap: 16px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/2;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(15, 23, 42, 0.2) 0%,
        rgba(15, 23, 42, 0.85) 100%
    );
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-sm);
    opacity: 0;
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-content {
    transform: translateY(20px);
    transition: var(--transition-normal);
    width: 100%;
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-content h4 {
    font-size: var(--text-xs);
    margin-bottom: 2px;
    color: #ffffff;
}

.portfolio-content p {
    font-size: 10px;
    color: #cbd5e1;
    margin-bottom: var(--spacing-xs);
}

.portfolio-btn {
    padding: 4px 8px;
    background: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 9px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.portfolio-btn:hover {
    background: #f1f5f9;
    transform: scale(1.05);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.95);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    animation: fade-in 0.3s ease;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox.active {
    display: flex;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #ffffff;
    font-size: var(--text-3xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.lightbox-content img, .lightbox-content video {
    max-height: 70vh;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-lg);
}

.lightbox-info h3 {
    color: #ffffff;
    margin-bottom: var(--spacing-xs);
}

.lightbox-info p {
    color: #cbd5e1;
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials {
    background: var(--bg-primary);
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-slide {
    min-width: 100%;
    padding: 0 var(--spacing-sm);
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
}

.testimonial-rating {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-info h4 {
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: 0;
}

.author-info span {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.nav-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: var(--text-2xl);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: #ffffff;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
}

.dot.active {
    background: var(--text-primary);
    transform: scale(1.2);
}

/* ========== FAQ SECTION ========== */
.faq {
    background: var(--bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--text-primary);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    text-align: left;
    transition: var(--transition-normal);
}

.faq-question span:first-child {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
}

.faq-icon {
    width: 30px;
    height: 30px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 700;
    flex-shrink: 0;
    transition: var(--transition-normal);
}

.faq-item.active .faq-icon {
    background: var(--text-primary);
    color: #ffffff;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.8;
    margin: 0;
}

/* ========== CTA SECTION (Flat Clean Accent) ========== */
.cta {
    position: relative;
    padding: clamp(5rem, 10vw, 8rem) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #0f172a; /* Flat slate gelap untuk pemisah visual */
    z-index: 1;
}

.cta-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1581094288338-2314dddb7ece?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 2;
}

.cta-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    margin-bottom: var(--spacing-md);
    color: #ffffff;
}

.cta-subtitle {
    font-size: var(--text-lg);
    color: #cbd5e1;
    margin-bottom: var(--spacing-xl);
}

/* ========== CONTACT SECTION ========== */
.contact {
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--text-primary);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
    line-height: 1.6;
}

.contact-details a {
    color: var(--text-primary);
    font-weight: 600;
}

.contact-details a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.contact-form h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: var(--transition-normal);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
}

.form-group option {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* Map */
.map-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* ========== FOOTER (Flat Light) ========== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-desc {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--text-primary);
    padding-left: 5px;
}

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin: 0;
}

.back-to-top {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.back-to-top:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: #ffffff;
}

/* ========== RESPONSIVE DESIGN ========== */

/* 1024px and below */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* 768px and below - Mobile */
@media (max-width: 768px) {
    .section {
        padding: clamp(3rem, 6vw, 4rem) 0;
    }
    
    /* Navbar Mobile */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-lg);
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: var(--text-lg);
        color: var(--text-secondary);
    }
    
    /* Hero Mobile */
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Stats Mobile */
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Portfolio Mobile */
    .portfolio-filters {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        font-size: var(--text-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* 480px and below - Small Mobile */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .section {
        padding: 2.5rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-sm);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--text-3xl);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-card:hover {
        transform: translateY(-5px);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px;
    }
}

/* ========== UTILITY CLASSES ========== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ========== PRINT STYLES ========== */
@media print {
    body {
        background: white;
        color: black;
    }
    .navbar, .footer, .btn, .back-to-top, .contact-form, .map-container {
        display: none !important;
    }
}