:root {
    --primary-blue: #130984;
    --secondary-blue: #100FC4;
    --text-light: #FFFFFF;
    --text-dark: #333333;
    --font-family: 'Montserrat', sans-serif;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --container-width: 1400px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--primary-blue);
    color: var(--text-light);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--secondary-blue);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: var(--text-light);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background-color: var(--secondary-blue);
    color: var(--text-light);
    padding: 12px 30px;
    font-size: 20px;
    border: 2px solid #2A2ADD;
}

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

.btn-share {
    background-color: var(--secondary-blue);
    color: var(--text-light);
    padding: 12px 30px;
    font-size: 20px;
}

.btn-share:hover {
    background-color: var(--text-light);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    z-index: 2000;
    background-color: rgba(10, 10, 156, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.5px;
}

.nav-list {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    opacity: 0.85;
    transition: var(--transition);
}

.nav-link:hover {
    opacity: 1;
    color: var(--text-light);
}

.nav-item .btn-nav {
    background-color: #1515D1;
    padding: 8px 20px;
    font-size: 0.85rem;
    border-radius: 50px;
}

.hamburger-menu {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 25px;
    height: 20px;
}

.hamburger-menu .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    transition: all 0.3s ease;
}

.hero {
    padding-top: 140px;
    background: radial-gradient(circle at center, #1515D1 0%, #050540 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

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

.hero-text h2 {
    font-size: 3.2em;
    font-weight: 700;
    line-height: 1.2;
}

.hero-text h2 strong {
    color: var(--accent-gold);
    border: none;
}

.hero-image-placeholder {
    height: 400px;
    width: 650px;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.1));
    border-radius: 20px;
}

.portfolio {
    padding: 80px 0;
}

.portfolio-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text-light);
    background-color: rgba(0, 0, 0, 0.3);
    display: inline-block;
    padding: 10px 30px;
    border-radius: 25px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.grid {
    display: grid;
    gap: 25px;
}

.grid-item {
    background-color: #FFFFFF;
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.grid-item:hover {
    transform: translateY(-10px);
}

.contact {
    padding: 80px 0;
}

.contact-content {
    background-color: #02022a;
    border-radius: 25px;
    padding: 50px;
    max-width: 500px;
}

.form-group input,
.form-group textarea {
    background-color: #E0E0E0;
    color: #333;
    border: none;
    border-radius: 8px;
}

.form-group label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer {
    background-color: #02022a;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 1024px) {
    .hero-text h2 {
        font-size: 2.8em;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        max-width: 80%;
        margin-bottom: var(--spacing-md);
    }

    .hero-image-placeholder {
        width: 80%;
        height: 350px;
    }
}

@media (max-width: 767px) {
    .header {
        width: 100%;
    }

    .hamburger-menu {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -10%;
        width: 100%;
        height: 100vh;
        background-color: var(--primary-blue);
        transition: 0.2s;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 0;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
    }
}

.hamburger-menu {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    z-index: 1100;
}

.hamburger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-light);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hero {
    background-color: var(--secondary-blue);
    background: linear-gradient(135deg, var(#0A0A9C) 0%, var(#2A2ADD) 100%);
    padding: var(--spacing-lg) 0;
    min-height: 994px;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-text {
    flex: 1;
    min-width: 300px;
    max-width: 60%;
}

.hero-text h2 {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.hero-text h2 strong {
    color: var(--accent-gold);
    border-bottom: 4px solid var(--accent-gold);
}

.hero-text p {
    font-size: 1.2em;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-image-placeholder {

    background-image: url(../../image/banner.png);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: #02022a;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(2, 2, 42, 0.5);
    overflow: hidden;
}

.portfolio {
    padding: 80px 20px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../../image/background.png');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    background-size: contain;
}

.portfolio-title {
    text-align: center;
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.grid-4x4 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-3x4 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4x3 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-item {
    background-color: #2c2c2c;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.7);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.grid-item:hover img {
    transform: scale(1.05);
}

.contact {
    background-color: #1515D1;
    padding: 100px 20px;
    text-align: center;
}

.contact-content {
    background-color: var(--primary-blue);
    padding: var(--spacing-lg);
    border-radius: 20px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.contact-title {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

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

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 1);
    color: var(--text-light);
    font-size: 1em;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    background-color: rgba(0, 0, 0, 0.4);
}

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

.footer {
    background-color: #0A0A9C;
    padding: 40px 0;
    text-align: center;
    font-size: 0.9em;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 767px) {
    .hamburger-menu {
        display: flex;
    }

    .nav {
        display: block;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--primary-blue);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.4);
        transition: 0.4s cubic-bezier(0.17, 0.67, 0.83, 0.67);
        z-index: 1000;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 30px;
        width: 100%;
        padding: 0;
    }

    .nav-link {
        font-size: 1.4em;
        display: block;
        text-align: center;
    }

    .nav-item .btn {
        margin-left: 0;
        width: 80%;
        margin: 0 auto;
    }

    .hamburger-menu.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger-menu.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger-menu.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-text h2 {
        font-size: 2.2em;
    }

    .hero-image-placeholder {
        height: 250px;
        width: 100%;
    }

    .grid {
        grid-template-columns: 1fr !important;
    }

    .contact-content {
        padding: 30px 30px;
    }

}