/* ==========================================================================
   DESIGN TOKENS & VARIABLES
   ========================================================================== */
:root {
    --bg-primary: #080B11;
    --bg-secondary: #0E131F;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(99, 102, 241, 0.3);
    
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --color-primary: #6366F1; /* Indigo */
    --color-secondary: #A855F7; /* Purple */
    --color-primary-glow: rgba(99, 102, 241, 0.15);
    --color-secondary-glow: rgba(168, 85, 247, 0.15);
    
    --gradient-accent: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    
    --font-title: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
    
    --container-max-width: 1200px;
    --header-height: 80px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: #FFF;
}

/* ==========================================================================
   LAYOUTS & UTILITIES
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ambient-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.15;
    animation: drift 20s infinite alternate ease-in-out;
}

.bg-glow-1 {
    background: var(--color-primary);
    top: -100px;
    right: -100px;
}

.bg-glow-2 {
    background: var(--color-secondary);
    top: 60%;
    left: -150px;
    animation-delay: -5s;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.25;
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    background-color: rgba(8, 11, 17, 0.7);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
}

.nav-container {
    max-width: var(--container-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

.nav-list {
    display: flex;
    gap: 2.25rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: var(--transition-fast);
    border-radius: 2px;
}

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

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

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

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--gradient-accent);
    color: #FFF;
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 2rem);
    display: flex;
    align-items: center;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero-typing {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.cursor {
    display: inline-block;
    width: 2px;
    background-color: var(--color-primary);
    margin-left: 3px;
    animation: blink 0.8s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
}

/* Code Visual Window */
.hero-image {
    perspective: 1000px;
}

.image-wrapper {
    width: 100%;
    transform: rotateY(-10deg) rotateX(10deg);
    transition: var(--transition-smooth);
}

.image-wrapper:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

.code-visual {
    background: rgba(14, 19, 31, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
}

.window-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

.window-title {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}

.code-editor {
    padding: 1.5rem;
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    overflow-x: auto;
    color: #9D9D9D;
}

/* Syntax Highlighting */
.keyword { color: #E06C75; }      /* Red */
.class-name { color: #E5C07B; }   /* Yellow */
.type { color: #61AFEF; }         /* Blue */
.string { color: #98C379; }       /* Green */
.method { color: #C678DD; }       /* Purple */

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */
section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.section-subtitle {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
}

.section-underline {
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
    margin-top: 0.75rem;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.about-image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 1 / 1;
    max-width: 320px;
    margin: 0 auto;
    background: var(--gradient-card);
    transition: var(--transition-smooth);
}

.about-image-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
    transform: translateY(-5px);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: var(--transition-smooth);
}

.about-image-wrapper:hover .about-img {
    filter: grayscale(0%);
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-info h3 {
    font-size: 1.75rem;
    line-height: 1.35;
}

.about-info p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.about-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.card-icon {
    font-size: 2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.about-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.about-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.skill-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 20px;
    display: flex;
    gap: 1.25rem;
    transition: var(--transition-smooth);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.skill-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.skill-card:hover .skill-icon-wrapper {
    background: var(--gradient-accent);
    color: #FFF;
    border-color: transparent;
}

.html-color { color: #E34F26; }
.css-color { color: #1572B6; }
.java-color { color: #F89820; }
.js-color { color: #F7DF1E; }

.skill-card:hover .html-color,
.skill-card:hover .css-color,
.skill-card:hover .java-color,
.skill-card:hover .js-color {
    color: #FFF;
}

.skill-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.skill-percentage {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 10px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.skills-section.active-section .progress-fill {
    transform: scaleX(1);
}

.skill-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Secondary skills list */
.other-skills {
    text-align: center;
    background: rgba(14, 19, 31, 0.5);
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(8px);
}

.other-skills h3 {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.25rem;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--gradient-accent);
    color: #FFF;
    border-color: transparent;
    transform: translateY(-2px);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.project-image-placeholder {
    height: 180px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

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

.project-main-icon {
    font-size: 3.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition-smooth);
}

.project-card:hover .project-main-icon {
    transform: scale(1.15) rotate(3deg);
    filter: drop-shadow(0 0 15px rgba(168, 85, 247, 0.3));
}

.project-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.proj-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.project-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    flex-grow: 1;
}

.project-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
}

.project-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

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

/* ==========================================================================
   EDUCATION (TIMELINE)
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 7px;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
}

.timeline-item {
    position: relative;
    padding-bottom: 3.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--color-primary);
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
    border-color: var(--color-secondary);
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-secondary);
}

.timeline-date {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.timeline-content {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 18px;
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    border-color: var(--border-hover);
    transform: translateX(5px);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline-subtitle {
    display: inline-block;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info h3 {
    font-size: 1.75rem;
    line-height: 1.35;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.detail-icon {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.contact-detail-item:hover .detail-icon {
    background: var(--gradient-accent);
    color: #FFF;
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
}

.detail-text {
    display: flex;
    flex-direction: column;
}

.detail-text span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.detail-text a, .detail-text p {
    font-size: 1rem;
    font-weight: 600;
}

.detail-text a:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-icon:hover {
    background: var(--gradient-accent);
    color: #FFF;
    border-color: transparent;
    transform: translateY(-3px);
}

/* Form Styles */
.contact-form-wrapper {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 24px;
    backdrop-filter: blur(12px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-group {
    position: relative;
    width: 100%;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.01);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group textarea {
    resize: none;
}

.form-group label {
    position: absolute;
    left: 1.25rem;
    top: 1.1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-group textarea ~ label {
    top: 1.1rem;
}

/* Floating labels effect */
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: rgba(255, 255, 255, 0.02);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -0.65rem;
    left: 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    background: #0C111A; /* matches background to hide outline border */
    padding: 0 0.5rem;
}

.btn-submit {
    justify-content: center;
    border: none;
}

.btn-icon {
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.btn-submit:hover .btn-icon {
    transform: translateX(4px) translateY(-2px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 0;
    background: var(--bg-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-heart {
    color: #EF4444;
    font-size: 0.8rem;
    animation: heartBeat 1.2s infinite;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ==========================================================================
   SCROLL REVEAL / SCROLL ANIMATION CLASS
   ========================================================================== */
body.js-loaded .scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

body.js-loaded .scroll-reveal.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE DESIGN)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.25rem;
    }
    
    .hero-container {
        gap: 2rem;
    }
}

@media (max-width: 900px) {
    section {
        padding: 5rem 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-description {
        margin: 0 auto 1.5rem auto;
    }

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

    .image-wrapper {
        transform: none;
        max-width: 500px;
        margin: 0 auto;
    }

    .image-wrapper:hover {
        transform: scale(1.02);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-info {
        text-align: center;
        align-items: center;
    }
    
    .contact-details {
        align-items: center;
        width: 100%;
    }
    
    .contact-detail-item {
        width: 100%;
        max-width: 320px;
    }
}

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

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: calc(100vh - var(--header-height));
        background: rgba(8, 11, 17, 0.95);
        backdrop-filter: blur(16px);
        border-left: 1px solid var(--border-color);
        padding: 3rem;
        transition: var(--transition-smooth);
        z-index: 99;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 1.15rem;
        display: block;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-typing {
        font-size: 1.4rem;
    }

    .section-title {
        font-size: 1.85rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
}

/* ==========================================================================
   CERTIFICATIONS & BADGES
   ========================================================================== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.cert-card:hover::before {
    opacity: 1;
}

.cert-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.cert-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.cert-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cert-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.cert-issuer {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
}