/* CSS Variables */
:root {
    --primary-color: #2c5f7f;
    --primary-dark: #1a4560;
    --accent-color: #4a7c9e;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --text-dark: #2d3748;
    --text-gray: #4a5568;
    --text-light: #718096;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    padding-top: 70px;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    gap: 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--primary-color);
}

.brand-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.brand-name {
    white-space: nowrap;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    transition: var(--transition);
}

.navbar-toggle:hover {
    background: var(--bg-light);
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-menu li {
    list-style: none;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
    border-radius: 6px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(44, 95, 127, 0.05);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.btn-nav-wa {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: #25d366;
    color: var(--bg-white);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition);
    white-space: nowrap;
    margin-left: 8px;
}

.btn-nav-wa:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--bg-white);
    color: var(--primary-color);
}

.btn-large {
    padding: 18px 42px;
    font-size: 1.125rem;
}

.btn-layanan {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 12px;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #1e3a4f;
    background-image: 
        linear-gradient(135deg, rgba(44, 95, 127, 0.85) 0%, rgba(28, 69, 96, 0.80) 100%),
        url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600&q=80&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0;
    animation: fadeIn 1.2s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 95, 127, 0.75) 0%, rgba(28, 69, 96, 0.70) 100%);
    backdrop-filter: blur(1px);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--bg-white);
    max-width: 1000px;
    padding: 0 20px;
    animation: slideUp 1s ease-out 0.4s backwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 4px 12px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
    font-weight: 800;
    color: #ffffff;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 1;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    text-shadow: 1px 2px 8px rgba(0, 0, 0, 0.4);
    color: rgba(255, 255, 255, 0.95);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-features {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 500;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 0.875rem;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--bg-white);
    cursor: pointer;
    animation: bounce 2s infinite;
    z-index: 3;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.hero-scroll span {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--bg-white);
    border-bottom: 2px solid var(--bg-white);
    transform: rotate(45deg);
}

/* Trust Indicators */
.trust-indicators {
    padding: 80px 0;
    background: var(--bg-light);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.trust-item {
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.trust-item:nth-child(1) { animation-delay: 0.1s; }
.trust-item:nth-child(2) { animation-delay: 0.2s; }
.trust-item:nth-child(3) { animation-delay: 0.3s; }
.trust-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.trust-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.trust-item p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    margin: 0;
}

/* Section Title */
.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

/* Layanan Section */
.layanan {
    padding: 100px 0;
    background: var(--bg-white);
}

.layanan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.layanan-card {
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.layanan-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.layanan-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.layanan-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.layanan-card:hover .layanan-image img {
    transform: scale(1.05);
}

.layanan-content {
    padding: 24px;
}

.layanan-content h3 {
    font-size: 1.375rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.layanan-content p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.layanan-area {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.875rem;
    margin-top: 12px;
}

/* Kenapa Pilih */
.kenapa-pilih {
    padding: 100px 0;
    background: var(--bg-light);
}

.kenapa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.kenapa-item {
    position: relative;
    padding: 32px;
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.kenapa-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.kenapa-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.15;
    margin-bottom: 12px;
}

.kenapa-item h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.kenapa-item p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

/* Proyek Section */
.proyek {
    padding: 100px 0;
    background: var(--bg-white);
}

.proyek-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.proyek-item {
    position: relative;
    height: 280px;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.proyek-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.proyek-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--bg-white);
    transform: translateY(100%);
    transition: var(--transition);
}

.proyek-item:hover .proyek-overlay {
    transform: translateY(0);
}

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

.proyek-overlay p {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.proyek-disclaimer {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
    font-style: italic;
    margin-top: 24px;
}

/* CTA Konsultasi */
.cta-konsultasi {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    text-align: center;
    color: var(--bg-white);
}

.cta-konsultasi h2 {
    font-size: 2.5rem;
    color: var(--bg-white);
    margin-bottom: 1rem;
}

.cta-konsultasi p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-konsultasi .btn-primary {
    background: var(--bg-white);
    color: var(--primary-color);
}

.cta-konsultasi .btn-primary:hover {
    background: var(--bg-light);
}

/* Kontak Section */
.kontak {
    padding: 100px 0;
    background: var(--bg-light);
}

.kontak-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
}

.kontak-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.kontak-item p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.kontak-item ul {
    list-style: none;
}

.kontak-item ul li {
    padding: 8px 0;
    color: var(--text-gray);
    padding-left: 20px;
    position: relative;
}

.kontak-item ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.kontak-note {
    margin-top: 1.5rem;
    padding: 12px 16px;
    background: var(--bg-white);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
    font-style: italic;
    color: var(--text-gray);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--text-dark);
    color: var(--bg-white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-main h3 {
    font-size: 1.5rem;
    color: var(--bg-white);
    margin-bottom: 8px;
}

.footer-main p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.btn-footer {
    display: inline-block;
    padding: 12px 28px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-footer:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

/* Floating WhatsApp Button */
.floating-wa {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.floating-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.5);
}

.floating-wa svg {
    width: 32px;
    height: 32px;
    color: var(--bg-white);
}

/* Responsive Design */
@media (max-width: 968px) {
    .navbar-content {
        padding: 16px 0;
    }
    
    .navbar-toggle {
        display: flex;
        order: 3;
    }
    
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg-white);
        padding: 20px;
        gap: 0;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .navbar-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar-menu li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .navbar-menu li:last-child {
        border-bottom: none;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-link {
        padding: 16px 20px;
        text-align: left;
        border-radius: 0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link.active {
        background: var(--bg-light);
    }
    
    .btn-nav-wa {
        width: 100%;
        margin-left: 0;
        justify-content: center;
        padding: 14px 20px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 65px;
    }
    
    .navbar-content {
        padding: 14px 0;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .brand-icon {
        font-size: 1.375rem;
    }
    
    .navbar-menu {
        top: 65px;
    .hero {
        min-height: 600px;
        background-attachment: scroll;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 16px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 2rem;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-features {
        gap: 20px;
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
    
    .hero-feature {
        font-size: 0.875rem;
    }
    
    .hero-scroll {
        bottom: 30px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .trust-grid,
    .layanan-grid,
    .kenapa-grid,
    .proyek-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-konsultasi h2 {
        font-size: 1.875rem;
    }
    
    .cta-konsultasi p {
        font-size: 1rem;
    }
    
    .floating-wa {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    
    .floating-wa svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 60px;
    }
    
    .navbar-content {
        padding: 12px 0;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .brand-icon {
        font-size: 1.375rem;
    }
    
    .navbar-menu {
        top: 60px;
    .hero {
        min-height: 550px;
        background-attachment: scroll;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9375rem;
    }
    
    .btn-large {
        padding: 14px 32px;
        font-size: 1rem;
    }
    
    .trust-indicators,
    .layanan,
    .kenapa-pilih,
    .proyek,
    .cta-konsultasi,
    .kontak {
        padding: 60px 0;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--bg-white);
}