/* Tambahkan di BARIS PALING ATAS style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px; /* Tetapkan base font size */
}

body {
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
/* ===== CSS RESET & VARIABLES ===== */
:root {
    /* Light Theme Colors */
    --primary-color: #4f46e5;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.3rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

[data-theme="dark"] {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --dark-color: #f8fafc;
    --light-color: #0f172a;
    --gray-color: #94a3b8;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-color);
    background-color: var(--light-color);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

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

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
    border-radius: 2px;
}

/* ===== LAYOUT & CONTAINERS ===== */
.container {
    max-width: 1200px; /* Lebar lebih besar */
    margin: 0 auto;
    padding: 0 var(--spacing-xl); /* Padding lebih besar */
    width: 100%;
}

.section {
    padding: var(--spacing-2xl) 0;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    width: 100%;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section-description {
    color: var(--gray-color);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.view-all-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
    display: inline-block;
    margin-top: var(--spacing-sm);
}

.view-all-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.bg-light {
    background-color: color-mix(in srgb, var(--light-color) 95%, var(--dark-color));
}

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

/* ===== NAVIGATION ===== */
header {
    position: fixed;
    top: 0;
    height: 80px;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

[data-theme="dark"] header {
    background-color: rgba(15, 23, 42, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--dark-color);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    font-size: var(--font-size-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-normal);
}

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

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-xl);
    color: var(--dark-color);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    background-color: color-mix(in srgb, var(--primary-color) 10%, transparent);
    transform: rotate(30deg);
}

/* ===== HAMBURGER NAV ===== */
#hamburger-nav {
    display: none;
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-icon span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    transition: all var(--transition-normal);
    border-radius: var(--radius-full);
}

.hamburger-icon.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-icon.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-icon.open span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.menu-links {
    position: absolute;
    top: 100%;
    right: var(--spacing-xl);
    background-color: var(--light-color);
    width: 200px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-md);
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
    transition: all var(--transition-normal);
}

.menu-links.open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.menu-links li {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.menu-links a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--dark-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.menu-links a:hover {
    background-color: color-mix(in srgb, var(--primary-color) 10%, transparent);
    color: var(--primary-color);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 20px;
    width: 100%;
}

.hero-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-content {
    max-width: 1000px; /* Lebih lebar */
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-color);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-role {
    font-size: var(--font-size-2xl);
    color: var(--gray-color);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: var(--gray-color);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

.hero-image {
    position: relative;
    width: 100%;
    max-width: 550px; /* Lebih besar */
    margin: 0 auto;
}

.image-container {
    position: relative;
    width: 450px; /* Lebih besar */
    height: 500px;
    margin: 0 auto;
    z-index: 1;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 2;
    border: 5px solid var(--light-color);
    box-shadow: var(--shadow-xl);
}

.image-decoration {
    position: absolute;
    top: 25px;
    left: 25px;
    right: -25px;
    bottom: -25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xl);
    z-index: 0;
}

/* Floating Icons */
.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.icon-float {
    position: absolute;
    width: 80px; /* Lebih besar */
    height: 80px;
    background: var(--light-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: white;
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
    transition: all var(--transition-normal);
    z-index: 11;
    pointer-events: auto;
    border: 4px solid white;
    text-align: center;
}

/* Warna untuk setiap icon */
.icon-float.cpp {
    background: linear-gradient(135deg, #00599C, #004482);
}

.icon-float.python {
    background: linear-gradient(135deg, #3776AB, #2C5F8A);
}

.icon-float.uav {
    background: linear-gradient(135deg, #4CAF50, #388E3C);
}

.icon-float.robot {
    background: linear-gradient(135deg, #FF5722, #E64A19);
}

.icon-text {
    font-size: var(--font-size-xs);
    font-weight: bold;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0) rotate(0deg); 
    }
    50% { 
        transform: translateY(-20px) rotate(5deg); 
    }
}

/* Posisi icons */
.icon-float:nth-child(1) { /* C++ */
    top: -30px;
    left: -30px;
    animation-delay: 0s;
}

.icon-float:nth-child(2) { /* Python */
    top: -30px;
    right: -30px;
    animation-delay: 1.5s;
}

.icon-float:nth-child(3) { /* UAV */
    bottom: -30px;
    left: -30px;
    animation-delay: 3s;
}

.icon-float:nth-child(4) { /* Robot */
    bottom: -30px;
    right: -30px;
    animation-delay: 4.5s;
}

.icon-float:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    z-index: 12;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--light-color);
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-lg);
    animation: bounce 2s infinite;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-size: var(--font-size-base);
    min-width: 160px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

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

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    width: 100%;
}

.about-image {
    position: relative;
}

.image-frame {
    width: 100%;
    max-width: 500px; /* Lebih besar */
    height: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin: 0 auto;
}

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

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

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
    line-height: 1.7;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2lg);
    margin-bottom: var(--spacing-xl);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg); /* Lebih besar */
    background: var(--light-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.detail-item:hover {
    transform: translateY(-3px);
}

.detail-item i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.detail-item h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.detail-item p {
    font-size: var(--font-size-sm);
    color: var(--gray-color);
    margin: 0;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    width: 100%;
}

.skill-category {
    background: var(--light-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
    height: 100%;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-weight: 500;
    font-size: var(--font-size-base);
}

.skill-bar {
    height: 10px; /* Lebih tinggi */
    background: color-mix(in srgb, var(--dark-color) 10%, transparent);
    border-radius: var(--radius-full);
    overflow: hidden;
    width: 100%;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    transition: width 1.5s ease;
}

/* ===== PROJECTS SECTION (4 CARDS HORIZONTAL) ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 kolom sejajar */
    gap: var(--spacing-lg);
    width: 100%;
    margin-bottom: var(--spacing-2xl);
}

.project-card {
    background: var(--light-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.project-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
    line-height: 1.3;
}

.project-content p {
    color: var(--gray-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    flex: 1;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: auto;
}

.project-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.project-link:hover {
    color: var(--secondary-color);
}

/* ===== CERTIFICATIONS SECTION (4 CARDS HORIZONTAL) ===== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 kolom sejajar */
    gap: var(--spacing-lg);
    width: 100%;
    margin-bottom: var(--spacing-2xl);
}

.certification-card {
    background: var(--light-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.certification-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.certification-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.certification-card:hover .certification-image img {
    transform: scale(1.1);
}

.cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.certification-card:hover .cert-overlay {
    opacity: 1;
}

.cert-overlay i {
    color: white;
    font-size: var(--font-size-2xl);
}

.certification-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.certification-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
    line-height: 1.3;
}

.certification-org {
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.certification-date {
    color: var(--gray-color);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}
/* Tambahkan di style.css */
#all-certifications {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

/* Gunakan grid yang sama dengan index.html */
#all-certifications .certifications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    width: 100%;
}

/* Responsive untuk all-certifications */
@media (max-width: 1399px) {
    #all-certifications .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 991px) {
    #all-certifications .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    #all-certifications .certifications-grid {
        grid-template-columns: 1fr;
    }
}

/* Pastikan header tidak menutupi konten */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] header {
    background: rgba(15, 23, 42, 0.95);
}
/* ===== ALL CERTIFICATIONS PAGE ===== */
.all-certifications-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Grid layout khusus untuk halaman all-certifications */
.certifications-grid.all-certifications {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin: 0 auto;
    width: 100%;
}

/* Card styling untuk halaman all-certifications */
.certifications-grid.all-certifications .certification-card {
    background: var(--light-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    margin: 0;
    position: relative;
}

.certifications-grid.all-certifications .certification-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.certifications-grid.all-certifications .certification-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    flex-shrink: 0;
    width: 100%;
}

.certifications-grid.all-certifications .certification-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-normal);
}

.certifications-grid.all-certifications .certification-card:hover .certification-image img {
    transform: scale(1.1);
}

.certifications-grid.all-certifications .cert-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.certifications-grid.all-certifications .certification-card:hover .cert-overlay {
    opacity: 1;
}

.certifications-grid.all-certifications .cert-overlay i {
    color: white;
    font-size: var(--font-size-2xl);
}

.certifications-grid.all-certifications .certification-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.certifications-grid.all-certifications .certification-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
    line-height: 1.3;
    min-height: 3em;
}

.certifications-grid.all-certifications .certification-org {
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.certifications-grid.all-certifications .certification-date {
    color: var(--gray-color);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Responsive design untuk all-certifications */
@media (min-width: 1400px) {
    .certifications-grid.all-certifications {
        grid-template-columns: repeat(3, 1fr); /* 3 kolom untuk layar besar */
    }
}

@media (min-width: 992px) and (max-width: 1399px) {
    .certifications-grid.all-certifications {
        grid-template-columns: repeat(3, 1fr); /* 3 kolom untuk desktop */
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .certifications-grid.all-certifications {
        grid-template-columns: repeat(2, 1fr); /* 2 kolom untuk tablet */
    }
}

@media (max-width: 767px) {
    .certifications-grid.all-certifications {
        grid-template-columns: 1fr; /* 1 kolom untuk mobile */
        gap: var(--spacing-lg);
    }
    
    .certifications-grid.all-certifications .certification-card {
        max-width: 400px;
        margin: 0 auto;
    }
}
/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 3fr; /* 4 kolom sejajar */
    gap: var(--spacing-lg);
    width: 100%;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 kolom untuk info */
    gap: var(--spacing-lg);
}

.contact-item {
    background: var(--light-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.contact-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.contact-item p {
    color: var(--gray-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    flex: 1;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
    display: inline-block;
    margin-top: auto;
}

.contact-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.contact-form {
    grid-column: span 1; /* Form mengambil 1 kolom */
    background: var(--light-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid color-mix(in srgb, var(--dark-color) 15%, transparent);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    background: var(--light-color);
    color: var(--dark-color);
    transition: all var(--transition-normal);
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-social {
    grid-column: span 2;
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid color-mix(in srgb, var(--dark-color) 10%, transparent);
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    font-size: var(--font-size-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 kolom sejajar */
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    grid-column: span 1;
}

.footer-logo h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    color: color-mix(in srgb, var(--light-color) 70%, transparent);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.footer-links {
    grid-column: span 1;
}

.footer-links h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--light-color);
}

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

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

.footer-links a {
    color: color-mix(in srgb, var(--light-color) 70%, transparent);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

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

.footer-newsletter {
    grid-column: span 1;
}

.footer-newsletter h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--light-color);
}

.footer-newsletter p {
    color: color-mix(in srgb, var(--light-color) 70%, transparent);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--light-color) 10%, transparent);
    color: var(--light-color);
    font-size: var(--font-size-sm);
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-form button:hover {
    transform: scale(1.1);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid color-mix(in srgb, var(--light-color) 20%, transparent);
    color: color-mix(in srgb, var(--light-color) 50%, transparent);
    font-size: var(--font-size-sm);
}

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

.footer-social a {
    color: color-mix(in srgb, var(--light-color) 50%, transparent);
    font-size: var(--font-size-lg);
    transition: color var(--transition-normal);
}

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

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 100;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.back-to-top.show {
    display: flex;
}

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

/* Desktop Large (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1500px;
    }
    
    .hero-container {
        max-width: 1500px;
    }
}

/* Desktop (1200px to 1399px) */
@media (max-width: 1399px) {
    .projects-grid,
    .certifications-grid,
    .contact-content {
        grid-template-columns: repeat(2, 1fr); /* 2 kolom */
    }
    
    .contact-info {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet Landscape (992px to 1199px) */
@media (max-width: 1199px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-container {
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .image-container {
        width: 400px;
        height: 400px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet Portrait (768px to 991px) */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    /* Navigation */
    #desktop-nav {
        display: none;
    }
    
    #hamburger-nav {
        display: flex;
    }
    
    .mobile-theme {
        display: flex !important;
    }
    
    /* Hero Section */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    /* Skills Section */
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    /* Projects & Certifications */
    .projects-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .contact-social {
        grid-column: span 1;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    /* Floating Icons */
    .icon-float {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .icon-float:nth-child(1) { top: -20px; left: -20px; }
    .icon-float:nth-child(2) { top: -20px; right: -20px; }
    .icon-float:nth-child(3) { bottom: -20px; left: -20px; }
    .icon-float:nth-child(4) { bottom: -20px; right: -20px; }
}

/* Mobile Landscape (576px to 767px) */
@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    /* Hero Section */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-role {
        font-size: var(--font-size-xl);
    }
    
    .image-container {
        width: 300px;
        height: 300px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    /* About Section */
    .about-details {
        grid-template-columns: 1fr;
    }
    
    /* Contact Section */
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    /* Buttons */
    .btn {
        min-width: auto;
        width: 100%;
    }
}

/* Mobile Portrait (575px and below) */
@media (max-width: 575px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-description {
        font-size: var(--font-size-base);
    }
    
    nav {
        padding: var(--spacing-md);
    }
    
    /* Hero Section */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .image-container {
        width: 250px;
        height: 250px;
    }
    
    /* Floating Icons */
    .icon-float {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .icon-text {
        font-size: 8px;
    }
    
    /* About Section */
    .detail-item {
        padding: var(--spacing-md);
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 40px;
        height: 40px;
    }
}

/* Small Mobile (375px and below) */
@media (max-width: 375px) {
    :root {
        --font-size-sm: 0.75rem;
        --font-size-base: 0.875rem;
        --font-size-lg: 1rem;
        --font-size-xl: 1.125rem;
        --font-size-2xl: 1.25rem;
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 1.75rem;
        --font-size-5xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .image-container {
        width: 200px;
        height: 200px;
    }
}