/* ===================================
   GLASSMORPHISM PORTFOLIO - CSS
   Modern Design with Theme & Language Support
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ===================================
   CSS VARIABLES & DESIGN TOKENS
   =================================== */
:root {
    /* Color Palette - Dark Mode (Default) - Nature Theme */
    --primary-gradient: linear-gradient(135deg, #9acd32 0%, #7cb342 100%);
    --secondary-gradient: linear-gradient(135deg, #8b6f47 0%, #a0826d 100%);
    --accent-gradient: linear-gradient(135deg, #8bc34a 0%, #aed581 100%);
    --success-gradient: linear-gradient(135deg, #52b788 0%, #74c69d 100%);

    /* Glass Colors - Dark Mode - Nature Theme */
    --glass-white: rgba(139, 111, 71, 0.15);
    --glass-white-hover: rgba(139, 111, 71, 0.25);
    --glass-border: rgba(160, 130, 109, 0.3);
    --glass-shadow: rgba(0, 0, 0, 0.2);

    /* Background - Dark Mode - Nature Theme */
    --bg-primary: #1a2e05;
    --bg-gradient: linear-gradient(135deg, #1a2e05 0%, #2d5016 50%, #1f3a0f 100%);

    /* Text Colors - Dark Mode - Nature Theme */
    --text-primary: #f5f3e8;
    --text-secondary: rgba(245, 243, 232, 0.85);
    --text-muted: rgba(245, 243, 232, 0.65);

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows - Nature Theme */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(107, 142, 35, 0.4);
}

/* ===================================
   LIGHT MODE VARIABLES
   =================================== */
body.light-mode {
    /* Background - Light Mode - Nature Theme */
    --bg-primary: #f5f3e8;
    --bg-gradient: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 50%, #fff9e6 100%);

    /* Glass Colors - Light Mode - Nature Theme */
    --glass-white: rgba(255, 255, 255, 0.75);
    --glass-white-hover: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(107, 142, 35, 0.25);
    --glass-shadow: rgba(45, 80, 22, 0.08);

    /* Text Colors - Light Mode - Nature Theme */
    --text-primary: #2d3e1f;
    --text-secondary: rgba(45, 62, 31, 0.85);
    --text-muted: rgba(45, 62, 31, 0.65);

    /* Shadows - Light Mode - Nature Theme */
    --shadow-sm: 0 4px 6px rgba(45, 80, 22, 0.08);
    --shadow-md: 0 8px 16px rgba(45, 80, 22, 0.12);
    --shadow-lg: 0 16px 32px rgba(45, 80, 22, 0.15);
    --shadow-glow: 0 0 40px rgba(107, 142, 35, 0.25);
}

body.light-mode::before {
    background:
        radial-gradient(circle at 20% 50%, rgba(107, 142, 35, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(82, 183, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(139, 111, 71, 0.08) 0%, transparent 50%);
}

/* Hero Section Text Override for Light Mode */
body.light-mode .hero .hero-title,
body.light-mode .hero .hero-subtitle,
body.light-mode .hero .hero-description {
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body.light-mode .hero .hero-title span:not(.gradient-text) {
    color: #ffffff;
}

/* Navbar Override for Light Mode - Better Visibility */
body.light-mode .navbar {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

body.light-mode .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(45, 80, 22, 0.15);
}

body.light-mode .logo {
    font-weight: 900;
}

body.light-mode .nav-link {
    color: #1a2e05;
    font-weight: 600;
}

body.light-mode .nav-link:hover {
    color: #2d5016;
}

body.light-mode .lang-toggle {
    background: rgba(255, 255, 255, 0.9);
    color: #1a2e05;
    font-weight: 700;
    border: 1px solid rgba(107, 142, 35, 0.3);
}

body.light-mode .menu-toggle span {
    background: #1a2e05;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Animated Background Particles - Nature Theme */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(107, 142, 35, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(82, 183, 136, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(139, 111, 71, 0.1) 0%, transparent 50%);
    animation: particleMove 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes particleMove {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ===================================
   GLASSMORPHISM UTILITIES
   =================================== */
.glass {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.glass-hover {
    transition: all var(--transition-normal);
}

.glass-hover:hover {
    background: var(--glass-white-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    margin: 1rem 2rem;
    border-radius: var(--radius-lg);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

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

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

/* Theme Toggle */
.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    cursor: pointer;
    display: inline-block;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    border-radius: 30px;
    transition: all var(--transition-normal);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.theme-slider:before {
    content: '';
    position: absolute;
    height: 24px;
    width: 24px;
    left: 3px;
    top: 3px;
    background: white;
    border-radius: 50%;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* SVG Icons */
.sun-icon,
.moon-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.moon-icon {
    left: 8px;
    color: #1a2e05;
    opacity: 1;
}

.sun-icon {
    right: 8px;
    color: rgba(255, 255, 255, 0.5);
    opacity: 0.5;
}

.theme-toggle input:checked+.theme-slider {
    background: var(--accent-gradient);
}

.theme-toggle input:checked+.theme-slider:before {
    transform: translateX(30px);
}

.theme-toggle input:checked+.theme-slider .moon-icon {
    opacity: 0.5;
    color: rgba(255, 255, 255, 0.5);
}

.theme-toggle input:checked+.theme-slider .sun-icon {
    opacity: 1;
    color: #FDB813;
}

.theme-slider:hover {
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), 0 0 10px rgba(107, 142, 35, 0.4);
}

/* Language Toggle */
.lang-toggle {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.4rem 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.lang-toggle:hover {
    background: var(--glass-white-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.lang-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
    overflow: hidden;
    background-image:
        linear-gradient(135deg, rgba(26, 46, 5, 0.85) 0%, rgba(45, 80, 22, 0.75) 100%),
        url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?w=1920&h=1080&fit=crop&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.2s backwards;
    min-height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.typing-cursor {
    display: inline-block;
    margin-left: 4px;
    animation: blink 1s infinite;
    font-weight: 400;
}

@keyframes blink {

    0%,
    49% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(107, 142, 35, 0.6);
}

.btn-glass {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-glass:hover {
    background: var(--glass-white-hover);
    transform: translateY(-3px);
}

.btn-download {
    background: transparent;
    border: 2px solid transparent;
    background-image: linear-gradient(var(--bg-primary), var(--bg-primary)), var(--success-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-download:hover {
    background-image: var(--success-gradient), var(--success-gradient);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(67, 233, 123, 0.4);
}

.btn-icon {
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
}

.btn-download:hover .btn-icon {
    transform: translateY(3px);
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(5px);
    }
}

/* ===================================
   SECTIONS
   =================================== */
section {
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

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

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}

.about-text h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.stat-card {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: var(--glass-white-hover);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===================================
   SKILLS SECTION
   =================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.skill-card {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.skill-card:hover {
    transform: translateY(-10px);
    background: var(--glass-white-hover);
    box-shadow: var(--shadow-lg);
}

.skill-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-glow);
}

.skill-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.skill-tag {
    background: var(--glass-white);
    border: 1px solid var(--glass-border);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===================================
   PORTFOLIO SECTION
   =================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.project-image {
    width: 100%;
    height: 220px;
    background: var(--primary-gradient);
    position: relative;
    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;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-white);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--primary-gradient);
    transform: scale(1.1);
}

.project-info {
    padding: var(--spacing-md);
}

.project-info h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

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

.project-tag {
    background: var(--glass-white);
    border: 1px solid var(--glass-border);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Project Actions Button */
.project-actions {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--glass-border);
}

.project-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    width: 100%;
    justify-content: center;
}

.project-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 142, 35, 0.4);
}

.project-btn svg {
    transition: transform var(--transition-normal);
}

.project-btn:hover svg {
    transform: translateX(3px);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    background: var(--glass-white-hover);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.contact-icon svg {
    display: block;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

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

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
}

.wa-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.wa-icon svg {
    display: block;
}

.btn-whatsapp:hover .wa-icon {
    transform: scale(1.2) rotate(15deg);
}

.btn-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.3);
}

.btn-email:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.5);
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
}

.email-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.email-icon svg {
    display: block;
}

.btn-email:hover .email-icon {
    transform: scale(1.2) rotate(-15deg);
}

.btn-instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(240, 147, 251, 0.3);
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(240, 147, 251, 0.5);
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
}

.ig-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.ig-icon svg {
    display: block;
}

.btn-instagram:hover .ig-icon {
    transform: scale(1.2) rotate(15deg);
}

.contact-form {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass-white);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(107, 142, 35, 0.6);
    background: var(--glass-white-hover);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-white);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.3rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-5px) rotate(360deg);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(100px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Up Animation */
.fade-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Left Animation */
.fade-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-left.active {
    opacity: 1;
    transform: translateX(0);
}

/* Fade Right Animation */
.fade-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Zoom In Animation */
.zoom-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.zoom-in.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Delays for Multiple Elements */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

.stagger-5 {
    transition-delay: 0.5s;
}

.stagger-6 {
    transition-delay: 0.6s;
}

/* Rotate In Animation */
.rotate-in {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.rotate-in.active {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Flip In Animation */
.flip-in {
    opacity: 0;
    transform: perspective(1000px) rotateY(90deg);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.flip-in.active {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg);
}


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

/* Large Tablets & Small Laptops (1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 4rem);
    }

    .skills-grid,
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets (768px) */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3.5rem;
        --spacing-xl: 5rem;
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--glass-white);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        width: 90%;
        max-width: 300px;
        padding: var(--spacing-md);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }

    .nav-menu.active {
        left: var(--spacing-md);
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

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

    .nav-controls {
        gap: 0.5rem;
    }

    /* Hero Section */
    .hero {
        min-height: 90vh;
        padding: var(--spacing-md);
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: clamp(1rem, 2.5vw, 1.5rem);
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    /* Skills */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Section Spacing */
    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

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

/* Small Tablets & Large Phones (640px) */
@media (max-width: 640px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .logo {
        font-size: 1.3rem;
    }

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

    .hero-title {
        font-size: clamp(1.8rem, 6vw, 3rem);
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: clamp(0.95rem, 2.5vw, 1.3rem);
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.9rem 1.8rem;
        font-size: 0.95rem;
    }

    .skill-card,
    .project-card,
    .contact-card {
        padding: var(--spacing-sm);
    }

    .skill-icon,
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }

    .project-image {
        height: 200px;
    }
}

/* Mobile Phones (480px) */
@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.8rem;
        --spacing-md: 1.2rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
    }

    /* Navigation */
    .navbar {
        padding: 0.8rem 0;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-container {
        padding: 0 0.8rem;
    }

    .nav-menu {
        width: 85%;
        max-width: 280px;
        padding: var(--spacing-sm);
    }

    /* Theme & Language Toggle */
    .theme-toggle {
        width: 50px;
        height: 25px;
    }

    .theme-slider:before {
        height: 20px;
        width: 20px;
        font-size: 12px;
        left: 2.5px;
        top: 2.5px;
    }

    .theme-toggle input:checked+.theme-slider:before {
        transform: translateX(25px);
    }

    .lang-toggle {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
    }

    .lang-toggle .flag {
        font-size: 1rem;
    }

    /* Hero */
    .hero {
        min-height: 85vh;
        padding: var(--spacing-sm);
    }

    .hero-title {
        font-size: clamp(1.6rem, 5.5vw, 2.5rem);
        margin-bottom: 0.8rem;
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 2.2vw, 1.2rem);
        margin-bottom: var(--spacing-sm);
    }

    .hero-description {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-buttons {
        gap: 0.8rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
        max-width: 100%;
    }

    .btn-download,
    .btn-email,
    .btn-whatsapp,
    .btn-instagram {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }

    /* Sections */
    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .section-title {
        font-size: clamp(1.6rem, 4.5vw, 2.2rem);
        margin-bottom: var(--spacing-sm);
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-md);
    }

    /* About */
    .about-text h3 {
        font-size: 1.5rem;
    }

    .about-text p {
        font-size: 0.9rem;
    }

    .stat-card {
        padding: 0.8rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    /* Skills */
    .skill-card {
        padding: var(--spacing-sm);
    }

    .skill-card h3 {
        font-size: 1.3rem;
    }

    .skill-card p {
        font-size: 0.9rem;
    }

    .skill-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }

    .skill-tag {
        padding: 0.25rem 0.7rem;
        font-size: 0.8rem;
    }

    /* Portfolio */
    .project-card {
        padding: 0;
    }

    .project-image {
        height: 180px;
    }

    .project-info {
        padding: var(--spacing-sm);
    }

    .project-info h3 {
        font-size: 1.2rem;
    }

    .project-info p {
        font-size: 0.9rem;
    }

    .project-tag {
        padding: 0.25rem 0.7rem;
        font-size: 0.75rem;
    }

    /* Contact */
    .contact-card {
        padding: var(--spacing-sm);
    }

    .contact-card h3 {
        font-size: 1.1rem;
    }

    .contact-card p {
        font-size: 0.9rem;
    }

    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.7rem 0.9rem;
        font-size: 0.9rem;
    }

    /* Footer */
    .footer {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .social-link {
        width: 45px;
        height: 45px;
    }

    .social-link svg {
        width: 18px;
        height: 18px;
    }

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

/* Extra Small Phones (375px) */
@media (max-width: 375px) {
    :root {
        --spacing-xs: 0.4rem;
        --spacing-sm: 0.7rem;
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .logo {
        font-size: 1.1rem;
    }

    .hero-title {
        font-size: clamp(1.4rem, 5vw, 2.2rem);
    }

    .hero-subtitle {
        font-size: clamp(0.85rem, 2vw, 1.1rem);
    }

    .hero-description {
        font-size: 0.85rem;
    }

    .btn {
        padding: 0.7rem 1.3rem;
        font-size: 0.85rem;
    }

    .section-title {
        font-size: clamp(1.4rem, 4vw, 2rem);
    }

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

    .skill-card h3,
    .project-info h3 {
        font-size: 1.1rem;
    }

    .skill-card p,
    .project-info p,
    .about-text p {
        font-size: 0.85rem;
    }

    .nav-menu {
        width: 90%;
        max-width: 260px;
    }

    .contact-grid {
        gap: var(--spacing-sm);
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}