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

:root {
    /* SGC TECH AI - Deep Ocean Palette */
    --deep-navy: #0c1e34;
    --ocean-blue: #1e3a8a;
    --sky-blue: #4fc3f7;
    --electric-cyan: #00FFF0;
    --neon-green: #00FF88;
    --carbon-black: #0A0A0A;
    --ice-white: #e8f4fd;
    --slate-gray: #64748b;
    
    /* Primary Application */
    --primary-color: #1e3a8a;
    --secondary-color: #0c1e34;
    --accent-color: #4fc3f7;
    --accent-electric: #00FFF0;
    --accent-neon: #00FF88;
    --dark-bg: #ffffff;
    --light-bg: #e8f4fd;
    --white: #ffffff;
    --text-dark: #0c1e34;
    --text-light: #64748b;
    --border-color: #4fc3f7;
    
    /* SGC Gradients */
    --gradient-primary: linear-gradient(135deg, #0c1e34 0%, #1e3a8a 100%);
    --gradient-secondary: linear-gradient(135deg, #1e3a8a 0%, #4fc3f7 100%);
    --gradient-accent: linear-gradient(135deg, #00FFF0 0%, #4fc3f7 100%);
    --gradient-hero: linear-gradient(135deg, #000000 0%, #0a0a1a 50%, #1a1a2e 100%);
    
    /* Enhanced Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(12, 30, 52, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(30, 58, 138, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(30, 58, 138, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(30, 58, 138, 0.3);
    --shadow-glow: 0 0 20px rgba(79, 195, 247, 0.3);
    --shadow-electric: 0 0 20px rgba(0, 255, 240, 0.4);
    
    /* Glassmorphism */
    --glass-bg: rgba(232, 244, 253, 0.8);
    --glass-border: rgba(79, 195, 247, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(30, 58, 138, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Fast Transitions (SGC Standard: 200-300ms) */
    --transition-fast: 0.2s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.3s ease;
}

/* Dark Mode Variables */
body.dark-mode {
    --dark-bg: #0f172a;
    --light-bg: #1e293b;
    --white: #1e293b;
    --text-dark: #f1f5f9;
    --text-light: #cbd5e1;
    --border-color: #334155;
}

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

body {
    font-family: var(--font-secondary);
    color: var(--text-dark);
    background-color: var(--light-bg);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ========================================
   PRELOADER
======================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   NAVIGATION
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.08);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.12);
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

body.dark-mode .navbar {
    background: rgba(15, 23, 42, 0.95);
}

body.dark-mode .navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-text {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.2rem;
}

.logo-full {
    color: var(--text-dark);
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-bg);
    color: var(--text-dark);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: rotate(20deg);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all var(--transition-base);
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: #000000;
}

body.dark-mode .hero-bg {
    background: #000000;
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 400;
    display: block;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line-1,
.title-line-2 {
    display: block;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-roles {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    min-height: 50px;
}

.role-text {
    color: #ffffff;
}

.typed-text {
    color: var(--sky-blue);
    font-weight: 600;
    position: relative;
    padding-bottom: 4px;
}

.typed-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--sky-blue);
}

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

.hero-description {
    font-size: 1rem;
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--sky-blue);
    color: #000000;
    box-shadow: 0 4px 12px rgba(79, 195, 247, 0.3);
}

.btn-primary:hover {
    background: var(--electric-cyan);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 240, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-social-fixed {
    position: absolute;
    bottom: 40px;
    left: 0;
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: 0;
    color: #ffffff;
    transition: all var(--transition-base);
    font-size: 1.25rem;
}

.social-link:hover {
    color: var(--sky-blue);
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 1rem 2rem;
}

.image-wrapper {
    position: relative;
    width: 100%;
    height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.profile-image {
    width: auto;
    height: 95%;
    max-height: 95%;
    object-fit: contain;
    object-position: center;
    display: block;
    -webkit-filter: none;
    filter: none;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    -ms-interpolation-mode: bicubic;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.skill-badge {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: floatBadge 5s infinite ease-in-out;
    border: 1px solid rgba(79, 195, 247, 0.2);
    transition: all var(--transition-base);
}

.skill-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(79, 195, 247, 0.3);
    border-color: var(--sky-blue);
}

.badge-icon {
    width: 36px;
    height: 36px;
    background: var(--sky-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 1.1rem;
}

.badge-text {
    font-weight: 600;
    color: #ffffff;
    font-size: 0.875rem;
    white-space: nowrap;
}

.badge-odoo {
    top: 50%;
    left: 5%;
    animation-delay: 0s;
}

@keyframes floatBadge {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 500;
}

.scroll-down i {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* ========================================
   SECTION HEADERS
======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(30, 58, 138, 0.1);
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   INNOVATION SECTION
======================================== */
.innovation {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: var(--spacing-2xl) 0;
}

body.dark-mode .innovation {
    background: #1e293b;
}

.innovation-card {
    background: linear-gradient(135deg, #2B5FA8 0%, #4169E1 100%);
    border-radius: 24px;
    padding: var(--spacing-2xl);
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.innovation-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.innovation-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 140, 0, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.innovation-icon i {
    font-size: 2rem;
    color: #FFA500;
}

.innovation-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: var(--spacing-xl);
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.innovation-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.innovation-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.innovation-item i {
    font-size: 1.5rem;
    color: #FFA500;
    flex-shrink: 0;
    margin-top: 0.2rem;
    filter: drop-shadow(0 0 8px rgba(255, 165, 0, 0.5));
}

.innovation-item p {
    font-size: 1.1rem;
    color: #ffffff;
    line-height: 1.6;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .innovation-card {
        padding: var(--spacing-xl);
    }
    
    .innovation-title {
        font-size: 1.6rem;
    }
    
    .innovation-item p {
        font-size: 1rem;
    }
}

/* ========================================
   ABOUT SECTION
======================================== */
.about {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

.about-text .lead {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    border: 2px solid var(--glass-border);
    transition: all var(--transition-base);
}

.highlight-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    border-color: var(--sky-blue);
}

.highlight-item i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 10px;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.highlight-item p {
    color: var(--text-light);
    margin: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--glass-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    border: 2px solid var(--glass-border);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

body.dark-mode .stat-card {
    background: var(--glass-bg);
    border-color: var(--glass-border);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--sky-blue);
}

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 12px;
    font-size: 1.8rem;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   EXPERIENCE SECTION
======================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--sky-blue) 0%, var(--electric-cyan) 100%);
    border: 4px solid var(--white);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(79, 195, 247, 0.3), 0 0 20px rgba(0, 255, 240, 0.2);
}

.timeline-date {
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
    padding-top: 5px;
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
    border: 2px solid var(--glass-border);
}

body.dark-mode .timeline-content {
    background: var(--white);
    border-color: var(--border-color);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.company-logo {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    border-radius: 10px;
    overflow: hidden;
    background: var(--light-bg);
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.company-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.timeline-skills li {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(30, 58, 138, 0.1);
    color: var(--primary-color);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ========================================
   SKILLS SECTION
======================================== */
.skills {
    background: var(--dark-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.08);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.category-header i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 10px;
    font-size: 1.5rem;
}

.category-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

.skill-item {
    width: 100%;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
}

.skill-info span:last-child {
    color: var(--primary-color);
}

.skill-bar {
    height: 10px;
    background: var(--ice-white);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--sky-blue) 0%, var(--electric-cyan) 100%);
    border-radius: 10px;
    width: 0;
    transition: width 1s ease;
    box-shadow: 0 0 10px rgba(0, 255, 240, 0.3);
}

.soft-skills {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.soft-skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--ice-white);
    border-radius: 10px;
    transition: all var(--transition-base);
    color: var(--text-dark);
    font-weight: 500;
    border: 1px solid var(--glass-border);
}

.soft-skill-item:hover {
    background: var(--gradient-secondary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    border-color: var(--electric-cyan);
}

.soft-skill-item i {
    font-size: 1.2rem;
}

/* ========================================
   PROJECTS SECTION
======================================== */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--white);
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-secondary);
    color: var(--white);
    border-color: var(--sky-blue);
    box-shadow: var(--shadow-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
    border: 2px solid var(--glass-border);
}

body.dark-mode .project-card {
    background: var(--white);
    border-color: var(--glass-border);
}

.project-card.hide {
    display: none;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    border-color: var(--sky-blue);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(12, 30, 52, 0.95) 0%, rgba(30, 58, 138, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.project-link {
    width: 60px;
    height: 60px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-base);
}

.project-link:hover {
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-lg);
}

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

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(79, 195, 247, 0.15);
    color: var(--ocean-blue);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(79, 195, 247, 0.3);
}

.project-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-footer {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
}

.btn-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
}

.btn-link:hover {
    gap: var(--spacing-sm);
}

/* ========================================
   CONTACT SECTION
======================================== */
.contact {
    background: linear-gradient(135deg, var(--ice-white) 0%, #d0e8f7 100%);
}

body.dark-mode .contact {
    background: linear-gradient(135deg, var(--ice-white) 0%, #d0e8f7 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid var(--glass-border);
}

body.dark-mode .contact-card {
    background: var(--white);
    border-color: var(--glass-border);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--sky-blue);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 12px;
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.contact-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

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

.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--glass-shadow);
    border: 2px solid var(--glass-border);
}

body.dark-mode .contact-form-wrapper {
    background: var(--white);
    border-color: var(--glass-border);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

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

/* ========================================
   FOOTER
======================================== */
.footer {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: #ffffff;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

body.dark-mode .footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

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

.footer-logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

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

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-light);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

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

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm);
    border: none;
    border-radius: 10px;
    font-family: inherit;
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.newsletter-form button:hover {
    transform: scale(1.05);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.footer-bottom p {
    margin: var(--spacing-xs) 0;
}

.footer-bottom i {
    color: #EF4444;
}

/* ========================================
   BACK TO TOP
======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

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

/* ========================================
   ANIMATIONS
======================================== */
.fade-in {
    animation: fadeIn 1s ease;
}

.fade-in-up {
    animation: fadeInUp 1s ease;
}

.fade-in-right {
    animation: fadeInRight 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        order: -1;
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item {
        grid-template-columns: auto 1fr;
    }
    
    .timeline-date {
        grid-column: 2;
        text-align: left;
        padding-top: 0;
        margin-bottom: var(--spacing-xs);
    }
    
    .timeline-dot {
        grid-row: 1 / 3;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        z-index: 999;
    }

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

    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-roles {
        font-size: 1.3rem;
        min-height: 50px;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .soft-skills {
        grid-template-columns: 1fr;
    }

    .floating-card {
        display: none;
    }

    .skill-badge {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .badge-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .badge-text {
        font-size: 0.85rem;
    }

    .badge-1,
    .badge-2,
    .badge-3 {
        position: static;
        margin: var(--spacing-sm) 0;
        animation: none;
    }

    .image-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-xl) 0;
    }
}

@media (max-width: 480px) {
    .logo-full {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-roles {
        font-size: 1.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .stat-content h3 {
        font-size: 1.5rem;
    }

    .timeline-content {
        padding: var(--spacing-md);
    }

    .timeline-content h3 {
        font-size: 1.1rem;
    }

    .project-image {
        height: 200px;
    }

    .innovation-card {
        padding: var(--spacing-lg);
    }

    .innovation-title {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}