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

/* Penyesuaian di mobile agar layout tetap terjaga, ringan, dan pas di wajah */
@media (max-width: 768px) {
    .hero-section {
        background-position: center 20% !important; 
        background-attachment: scroll !important;
        background-size: cover !important;
    }
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #0b0c10;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background-color: rgba(11, 12, 16, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #1f2937;
}

.nav-container {
    max-w: 1152px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #66fcf1;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: #c5c6c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #66fcf1;
}

/* Hamburger Menu Responsive */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 100;
}

.menu-toggle .bar {
    height: 2.5px;
    width: 100%;
    background-color: #ffffff;
    border-radius: 4px;
    transition: all 0.3s ease-in-out;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        background-color: rgba(11, 12, 16, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        width: 70%;
        height: 100vh;
        padding: 100px 32px;
        gap: 32px;
        border-left: 1px solid #1f2937;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        transition: right 0.4s ease-in-out;
    }

    .nav-links a {
        font-size: 1.2rem;
        font-weight: 600;
        width: 100%;
    }

    .nav-links.active {
        right: 0;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
        background-color: #66fcf1;
    }

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

    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: #66fcf1;
    }
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 64px 24px 0 24px;
    position: relative;
    background: linear-gradient(rgba(11, 12, 16, 0.85), rgba(11, 12, 16, 0.85)), 
                url('assets/rajendra 2.jpeg');
    background-repeat: no-repeat;
    background-size: 100% 300%; 
    background-position: center; 
    will-change: background-position;
    transform: translateZ(0);
}

@media (max-width: 768px) {
    .hero-section {
        background-position: center center !important;
        background-attachment: scroll;
    }
}

.glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -10;
}

.glow-1 {
    background-color: rgba(70, 162, 159, 0.1);
    top: 25%;
    left: 25%;
}

.glow-2 {
    background-color: rgba(102, 252, 241, 0.05);
    bottom: 25%;
    right: 25%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
    background: linear-gradient(to right, #ffffff, #c5c6c7, #6b7280);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 5rem;
    }
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    color: #66fcf1;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.btn-hero {
    display: inline-block;
    border: 1px solid #66fcf1;
    color: #66fcf1;
    padding: 14px 32px;
    border-radius: 9999px;
    font-weight: 500;
    letter-spacing: 0.025em;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-hero:hover {
    background-color: #66fcf1;
    color: #0b0c10;
    transform: translateY(-4px);
}

.glow-effect:hover {
    box-shadow: 0 0 20px rgba(102, 252, 241, 0.3);
}

/* About Section */
.about-section {
    padding: 96px 24px;
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

@media (min-width: 768px) {
    .about-section {
        text-align: left;
    }
}

.section-title-container {
    border-left: 4px solid #66fcf1;
    padding-left: 16px;
    margin-bottom: 40px;
    display: inline-block;
}

@media (min-width: 768px) {
    .section-title-container {
        display: block;
        padding-left: 24px;
    }
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 1.875rem;
    }
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 32px;
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1.5fr;
        align-items: start;
    }
}

.about-profile {
    display: flex;
    justify-content: center;
}

.profile-image-container {
    width: 260px;
    height: 320px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(102, 252, 241, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: relative;
    transition: all 0.4s ease;
}

.profile-image-container:hover {
    border-color: #66fcf1;
    box-shadow: 0 0 30px rgba(102, 252, 241, 0.2);
    transform: translateY(-5px);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: grayscale(20%);
    transition: filter 0.4s ease;
}

.profile-image-container:hover .profile-image {
    filter: grayscale(0%);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
    font-size: 1rem;
    color: #c5c6c7;
    font-weight: 300;
    line-height: 1.75;
    text-align: left;
}

@media (min-width: 768px) {
    .about-text {
        font-size: 1.05rem;
    }
}

.highlight-text {
    color: #66fcf1;
    font-weight: 600;
}

.focus-card {
    background-color: rgba(31, 40, 51, 0.4);
    border: 1px solid #1f2937;
    padding: 24px;
    border-radius: 16px;
    text-align: left;
}

.focus-title {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #66fcf1;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.focus-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.875rem;
    color: #c5c6c7;
}

.focus-list li {
    display: flex;
    align-items: center;
}

.dot {
    width: 6px;
    height: 6px;
    background-color: #66fcf1;
    border-radius: 50%;
    margin-right: 8px;
}

/* Skills Section */
.skills-section {
    padding: 96px 24px;
    max-width: 896px;
    margin: 0 auto;
    text-align: center;
}

.section-title-center {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .section-title-center {
        font-size: 1.875rem;
    }
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.skill-badge {
    background-color: #1f2833;
    border: 1px solid #1f2937;
    padding: 12px 24px;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #c5c6c7;
    transition: all 0.3s ease;
}

.skill-badge:hover {
    border-color: #66fcf1;
    color: #ffffff;
}

/* Projects Section */
.projects-section {
    padding: 96px 24px;
    max-width: 1024px;
    margin: 0 auto;
}

.projects-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-subtitle-center {
    font-size: 0.875rem;
    color: #c5c6c7;
    font-weight: 300;
    margin-top: 8px;
}

/* FIX: Menggunakan auto-fill grid dinamis */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

.project-card {
    background-color: rgba(31, 40, 51, 0.3);
    border: 1px solid #1f2937;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.project-card:hover {
    border-color: #66fcf1;
}

.project-image-container {
    width: 100%;
    height: 176px;
    border-radius: 12px;
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid rgba(31, 41, 55, 0.5);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.project-card:hover .project-image {
    transform: scale(1.06);
}

.project-card-content {
    padding: 24px;
}

.project-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #ffffff;
}

.project-description {
    font-size: 0.875rem;
    color: #c5c6c7;
    font-weight: 300;
    line-height: 1.6;
}

.project-tags {
    padding: 0 24px 24px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 0.75rem;
    background-color: #0b0c10;
    color: #c5c6c7;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid #1f2937;
}

/* Contact Section */
.contact-section {
    padding: 96px 24px;
    max-width: 896px;
    margin: 0 auto;
    text-align: center;
    border-top: 1px solid #111827;
}

.contact-subtitle {
    font-size: 0.875rem;
    color: #c5c6c7;
    font-weight: 300;
    max-width: 448px;
    margin: 0 auto 40px auto;
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

@media (min-width: 640px) {
    .contact-links {
        flex-direction: row;
        justify-content: center;
        gap: 48px;
    }
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #c5c6c7;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.contact-link-item:hover {
    color: #66fcf1;
}

.arrow {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.contact-link-item:hover .arrow {
    transform: translateX(4px);
}

.contact-link-item-recommended {
    text-decoration: none;
    background-color: transparent;
    color: #66fcf1;
    font-weight: 700;
}

.contact-link-item-recommended:hover {
    text-decoration: none;
    background-color: #66fcf1;
    color: #0b0c10;
    box-shadow: 0 0 25px rgba(102, 252, 241, 0.4);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 32px 24px;
    text-align: center;
    font-size: 0.75rem;
    color: #4b5563;
    border-top: 1px solid #030712;
}