* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --accent: #3b82f6;
    --white: #ffffff;
    --light: #f8fafc;
    --gray-light: #e2e8f0;
    --gray: #64748b;
    --text: #1e293b;
    --shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
    --shadow-lg: 0 20px 60px rgba(37, 99, 235, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--white);
}

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

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text);
    margin-bottom: 10px;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

#portfolio-btn:hover span {
    display: inline-block;
    animation: wavy 0.6s ease;
}

#portfolio-btn:hover span:nth-child(1) { animation-delay: 0s; }
#portfolio-btn:hover span:nth-child(2) { animation-delay: 0.1s; }
#portfolio-btn:hover span:nth-child(3) { animation-delay: 0.2s; }
#portfolio-btn:hover span:nth-child(4) { animation-delay: 0.3s; }
#portfolio-btn:hover span:nth-child(5) { animation-delay: 0.4s; }
#portfolio-btn:hover span:nth-child(6) { animation-delay: 0.5s; }
#portfolio-btn:hover span:nth-child(7) { animation-delay: 0.6s; }
#portfolio-btn:hover span:nth-child(8) { animation-delay: 0.7s; }
#portfolio-btn:hover span:nth-child(9) { animation-delay: 0.8s; }
#portfolio-btn:hover span:nth-child(10) { animation-delay: 0.9s; }
#portfolio-btn:hover span:nth-child(11) { animation-delay: 1.0s; }
#portfolio-btn:hover span:nth-child(12) { animation-delay: 1.1s; }
#portfolio-btn:hover span:nth-child(13) { animation-delay: 1.2s; }
#portfolio-btn:hover span:nth-child(14) { animation-delay: 1.3s; }
#portfolio-btn:hover span:nth-child(15) { animation-delay: 1.4s; }
#portfolio-btn:hover span:nth-child(16) { animation-delay: 1.5s; }

#mulai-proyek:hover span {
    display: inline-block;
    animation: wavy 0.6s ease;
}

#mulai-proyek:hover span:nth-child(1) { animation-delay: 0s; }
#mulai-proyek:hover span:nth-child(2) { animation-delay: 0.1s; }
#mulai-proyek:hover span:nth-child(3) { animation-delay: 0.2s; }
#mulai-proyek:hover span:nth-child(4) { animation-delay: 0.3s; }
#mulai-proyek:hover span:nth-child(5) { animation-delay: 0.4s; }
#mulai-proyek:hover span:nth-child(6) { animation-delay: 0.5s; }
#mulai-proyek:hover span:nth-child(7) { animation-delay: 0.6s; }
#mulai-proyek:hover span:nth-child(8) { animation-delay: 0.7s; }
#mulai-proyek:hover span:nth-child(9) { animation-delay: 0.8s; }
#mulai-proyek:hover span:nth-child(10) { animation-delay: 0.9s; }
#mulai-proyek:hover span:nth-child(11) { animation-delay: 1.0s; }

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.burger span {
    width: 25px;
    height: 3px;
    background: var(--text);
    transition: all 0.3s ease;
    border-radius: 3px;
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--white);
    position: relative;
    padding-top: 70px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text);
}

.highlight {
    color: var(--primary);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 120px;
}

.services {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative;
    padding: 100px 0 0 0;
}

.services-wave-top {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
}

.services-wave-top svg {
    display: block;
    width: 100%;
    height: 100px;
}

.services-wave-bottom {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
}

.services-wave-bottom svg {
    display: block;
    width: 0%;
    height: 0px;
}

.services .section-header h2 {
    color: var(--white);
}

.services .section-header p {
    color: rgba(255, 255, 255, 0.9);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text);
}

.service-card p {
    color: var(--gray);
}

.portfolio {
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(37, 99, 235, 0.9));
    color: var(--white);
    padding: 30px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.portfolio-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-item h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--gray);
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text);
}

.contact-item p {
    color: var(--gray);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form button {
    width: 100%;
    border: none;
    font-size: 1rem;
}

.faq {
    background: var(--white);
}

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

.faq-item {
    border: 2px solid var(--gray-light);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item.active {
    border-color: var(--primary-light);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--light);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--text);
    margin: 0;
    flex: 1;
    padding-right: 15px;
}

.faq-question i {
    color: var(--primary);
    transition: transform 0.3s ease;
    font-size: 1rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 25px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 20px;
}

.faq-answer p {
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
}

.footer {
    background: var(--text);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-brand h3 i {
    color: var(--primary-light);
    margin-right: 10px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--gray-light);
    }

    .burger {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-text .section-header {
        text-align: center;
    }

    .stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 20px;
    }
}

@keyframes wavy {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-10px);
    }
    50% {
        transform: translateY(0);
    }
    75% {
        transform: translateY(10px);
    }
}