/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    --bg-primary: #070a13;
    --bg-secondary: #0c1122;
    --card-bg: rgba(20, 26, 46, 0.6);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary-color: #8b5cf6; /* Violet */
    --secondary-color: #06b6d4; /* Cyan */
    --accent-glow: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
}

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

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

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

/* Background Glow Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.15;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: var(--secondary-color);
    top: 50%;
    left: -200px;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--card-hover-border);
    box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.15);
    transform: translateY(-4px);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(7, 10, 19, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -1px;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-glow);
    transition: var(--transition-smooth);
}

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

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

.nav-btn {
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--secondary-color);
    color: var(--text-primary);
    background: transparent;
}

.nav-btn::after {
    display: none;
}

.nav-btn:hover {
    background: var(--accent-glow);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-glow);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.btn-text {
    background: none;
    border: none;
    color: var(--secondary-color);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
    padding: 4px 0;
}

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

.btn-text:hover i {
    transform: translateX(4px);
}

.btn-text i {
    transition: var(--transition-smooth);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero-tag {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary-color);
    background: rgba(6, 182, 212, 0.1);
    padding: 6px 16px;
    border-radius: 100px;
    display: inline-block;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
    font-size: 15px;
    color: var(--text-muted);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-item i {
    color: var(--secondary-color);
}

.contact-item a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.social-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-icon:hover {
    background: var(--accent-glow);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-4px) rotate(360deg);
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 48px;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-glow);
    border-radius: 2px;
}

/* ==========================================================================
   OBJECTIVE SECTION
   ========================================================================== */
.about-card {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 40px;
}

.about-icon-box {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-md);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    flex-shrink: 0;
}

.objective-text {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.skills-category-card {
    padding: 32px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.category-header i {
    font-size: 24px;
    background: var(--accent-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.category-header h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.skill-tag:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.project-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.project-icon {
    font-size: 28px;
    color: var(--secondary-color);
}

.project-platform {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--card-border);
    padding: 4px 10px;
    border-radius: 100px;
}

.project-name {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
    flex-grow: 1;
}

.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.project-tech-tags span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    padding: 4px 10px;
    border-radius: 4px;
}

/* ==========================================================================
   TIMELINE (EXPERIENCE & EDUCATION)
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

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

.timeline-dot {
    position: absolute;
    left: -32px;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--secondary-color);
    box-shadow: 0 0 10px var(--secondary-color);
    z-index: 1;
}

.timeline-content {
    padding: 24px 32px;
}

.timeline-date {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 12px;
}

.timeline-desc {
    color: var(--text-secondary);
    font-size: 15px;
}

.timeline-grade {
    font-size: 14px;
    color: var(--text-primary);
    margin-top: 8px;
}

.timeline-bullets {
    margin-top: 12px;
    padding-left: 18px;
    color: var(--text-secondary);
    font-size: 14px;
}

.timeline-bullets li {
    margin-bottom: 6px;
}

/* ==========================================================================
   CERTIFICATIONS SECTION
   ========================================================================== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.certification-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.cert-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.cert-info h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.cert-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.contact-info-card {
    padding: 40px;
}

.contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.contact-info-card p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-detail-item i {
    font-size: 20px;
    color: var(--secondary-color);
    width: 24px;
    text-align: center;
    margin-top: 4px;
}

.contact-detail-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-detail-item p,
.contact-detail-item a {
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.contact-form-card {
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.form-submit-btn {
    width: 100%;
    border: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    padding: 40px 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--card-border);
    text-align: center;
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.main-footer p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 18px;
    transition: var(--transition-smooth);
}

.footer-socials a:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   INTERACTIVE POP-OUT MODAL
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 6, 12, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    padding: 24px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    max-width: 600px;
    width: 100%;
    padding: 40px;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-smooth);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.modal-icon-header {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 24px;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 28px;
}

.modal-details-content h4 {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 10px;
    margin-top: 24px;
}

.modal-details-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.modal-features-list {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 15px;
}

.modal-features-list li {
    margin-bottom: 8px;
}

.modal-actions {
    margin-top: 36px;
    border-top: 1px solid var(--card-border);
    padding-top: 24px;
    display: flex;
    justify-content: flex-end;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */
@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        padding: 40px;
        transform: translateX(100%);
        transition: var(--transition-smooth);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: 20px;
    }
    
    .nav-btn {
        border-color: var(--primary-color);
        width: 100%;
        text-align: center;
    }
    
    .about-card {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
    }
}