/* ======================================
   DESIGN SYSTEM & CSS VARIABLES
   ====================================== */
:root {
    /* Soft Light Theme Colors */
    --color-cream: #FAF8F3;
    --color-cream-dark: #F5F2EB;
    --color-beige: #E8E4DB;

    /* Soft Pastels */
    --color-blue-soft: #A8C5E8;
    --color-blue-medium: #7BA3D1;
    --color-blue-deep: #5B87BA;

    --color-peach: #FFD8C4;
    --color-coral: #FFB69E;

    --color-lavender: #C9B8E8;
    --color-mint: #B8E8D4;

    /* Neutral Tones */
    --color-text-primary: #2C2C2C;
    --color-text-secondary: #5A5A5A;
    --color-text-light: #8A8A8A;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7BA3D1 0%, #A8C5E8 100%);
    --gradient-secondary: linear-gradient(135deg, #FFB69E 0%, #FFD8C4 100%);
    --gradient-accent: linear-gradient(135deg, #C9B8E8 0%, #A8C5E8 100%);
    --gradient-mesh: radial-gradient(at 20% 30%, rgba(123, 163, 209, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 70%, rgba(255, 182, 158, 0.15) 0px, transparent 50%),
        radial-gradient(at 40% 80%, rgba(184, 232, 212, 0.12) 0px, transparent 50%);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 8px 32px rgba(123, 163, 209, 0.12);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

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

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

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

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

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

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

::selection {
    background-color: var(--color-blue-soft);
    color: white;
}

/* ======================================
   BACKGROUND EFFECTS
   ====================================== */
.background-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-mesh {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {

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

    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

#particles {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.5;
}

/* ======================================
   UTILITIES
   ====================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(123, 163, 209, 0.18);
}

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

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Reveal Animation */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-smooth);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ======================================
   BUTTONS
   ====================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(123, 163, 209, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(123, 163, 209, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-blue-deep);
    border: 2px solid var(--color-blue-medium);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    transform: translateY(-2px);
}

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

.navbar.scrolled {
    padding: var(--spacing-xs) 0;
    box-shadow: 0 4px 20px rgba(123, 163, 209, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-smooth);
}

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

.logo-first {
    color: var(--color-blue-deep);
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-smooth);
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

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

/* ======================================
   HERO SECTION
   ====================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-greeting {
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 540px;
}

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

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-blue-deep);
    transition: all var(--transition-smooth);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    transform: translateY(-4px) scale(1.1);
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 20px rgba(123, 163, 209, 0.3);
}

/* Hero Image */
.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    padding: var(--spacing-md);
    max-width: 400px;
    margin: 0 auto;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--gradient-primary);
    filter: blur(60px);
    opacity: 0.3;
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.4;
    }
}

#profile-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    display: block;
    transition: transform var(--transition-smooth);
}

.image-wrapper:hover #profile-img {
    transform: scale(1.02);
}

.floating-badge {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    font-size: 0.875rem;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.badge-1 {
    top: 10%;
    right: -10px;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 10%;
    left: -10px;
    animation-delay: 1.5s;
}

@keyframes float {

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

    50% {
        transform: translateY(-10px);
    }
}

/* ======================================
   ABOUT SECTION
   ====================================== */
.about {
    padding: var(--spacing-xxl) 0;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    padding: var(--spacing-xl);
}

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

.about-text p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-beige);
}

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

.stat-item h4 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ======================================
   EXPERIENCE SECTION
   ====================================== */
.experience {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(168, 197, 232, 0.08) 100%);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 80px;
    margin-bottom: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: 22px;
    top: var(--spacing-lg);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: 3px solid var(--color-cream);
    box-shadow: 0 0 0 4px rgba(123, 163, 209, 0.2);
}

.timeline-date {
    display: inline-block;
    background: var(--gradient-secondary);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-xs);
}

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

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    color: var(--color-text-secondary);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-blue-medium);
    font-weight: bold;
}

/* ======================================
   SKILLS SECTION
   ====================================== */
.skills {
    padding: var(--spacing-xxl) 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.skill-category {
    padding: var(--spacing-xl);
}

.skill-category h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

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

.skill-tag {
    background: var(--glass-bg);
    border: 1px solid var(--color-beige);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-smooth);
    cursor: default;
}

.skill-tag:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px rgba(123, 163, 209, 0.3);
}

/* ======================================
   PROJECTS SECTION
   ====================================== */
.projects {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(168, 197, 232, 0.08) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    padding: 0;
    overflow: hidden;
    cursor: pointer;
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(123, 163, 209, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

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

.project-link {
    color: white;
    font-weight: 600;
    text-decoration: none;
    padding: 12px 24px;
    border: 2px solid white;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: white;
    color: var(--color-blue-deep);
}

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

.project-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.project-content p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

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

.project-tags span {
    background: var(--color-beige);
    color: var(--color-text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* ======================================
   CONTACT SECTION
   ====================================== */
.contact {
    padding: var(--spacing-xxl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    padding: var(--spacing-xl);
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-blue-deep);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-blue-medium);
    flex-shrink: 0;
    margin-top: 4px;
}

.info-item h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.info-item a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.info-item a:hover {
    color: var(--color-blue-deep);
}

.info-item p {
    color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form {
    padding: var(--spacing-xl);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-beige);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--glass-bg);
    transition: all var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue-medium);
    box-shadow: 0 0 0 4px rgba(123, 163, 209, 0.1);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--color-text-light);
    pointer-events: none;
    transition: all var(--transition-smooth);
    background: var(--color-cream);
    padding: 0 4px;
}

.form-group input:not(:placeholder-shown)+label,
.form-group textarea:not(:placeholder-shown)+label,
.form-group input:focus+label,
.form-group textarea:focus+label {
    top: -10px;
    font-size: 0.875rem;
    color: var(--color-blue-deep);
}

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

/* ======================================
   FOOTER
   ====================================== */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

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

.footer-easter-egg {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ======================================
   MODAL
   ====================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
}

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

.modal-content {
    max-width: 500px;
    padding: var(--spacing-xl);
    text-align: center;
    transform: scale(0.8);
    transition: transform var(--transition-bounce);
}

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

.modal-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* ======================================
   RESPONSIVE DESIGN
   ====================================== */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .social-links {
        justify-content: center;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-marker {
        left: 12px;
    }

    .timeline-item {
        padding-left: 60px;
    }

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

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

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

    .section-title {
        font-size: 1.75rem;
    }
}

/* ======================================
   3D TILT EFFECT
   ====================================== */
[data-tilt] {
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

/* ======================================
   ANIMATIONS
   ====================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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