/* ==============================================
   MINIMALIST PORTFOLIO - CATPPUCCIN MACCHIATO
   ============================================== */

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Catppuccin Macchiato Color Palette */
:root {
    --base: #24273a;
    --mantle: #1e2030;
    --crust: #181926;
    --surface0: #363a4f;
    --surface1: #494d64;
    --surface2: #5b6078;
    --overlay0: #6e738d;
    --overlay1: #8087a2;
    --overlay2: #939ab7;
    --text: #cad3f5;
    --subtext1: #b8c0e0;
    --subtext0: #a5adcb;

    /* Accent colors */
    --rosewater: #f4dbd6;
    --flamingo: #f0c6c6;
    --pink: #f5bde6;
    --mauve: #c6a0f6;
    --red: #ed8796;
    --maroon: #ee99a0;
    --peach: #f5a97f;
    --yellow: #eed49f;
    --green: #a6da95;
    --teal: #8bd5ca;
    --sky: #91d7e3;
    --sapphire: #7dc4e4;
    --blue: #8aadf4;
    --lavender: #b7bdf8;

    /* Semantic colors */
    --bg-primary: var(--base);
    --bg-secondary: var(--mantle);
    --bg-tertiary: var(--surface0);
    --text-primary: var(--text);
    --text-secondary: var(--subtext1);
    --text-muted: var(--overlay1);
    --accent: var(--mauve);
    --accent-secondary: var(--blue);
    --accent-hover: var(--lavender);
    --border: var(--surface1);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--accent);
    color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--surface1);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--surface2);
}

/* ==============================================
   NAVIGATION
   ============================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(36, 39, 58, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-mono);
    transition: var(--transition-base);
}

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

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ==============================================
   LAYOUT
   ============================================== */

.section {
    padding: var(--spacing-3xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-alt {
    background: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

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

/* ==============================================
   HERO SECTION
   ============================================== */

.hero {
    padding-top: calc(var(--spacing-3xl) + 60px);
}

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

.greeting {
    font-size: 1.125rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.meta-item i {
    color: var(--accent);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}

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

/* ==============================================
   ABOUT SECTION
   ============================================== */

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

.about-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
    color: var(--text-secondary);
}

.subsection-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.focus-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.focus-list li {
    padding-left: 1.25rem;
    position: relative;
    color: var(--text-secondary);
}

.focus-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.25rem;
}

/* ==============================================
   EXPERIENCE SECTION (TIMELINE)
   ============================================== */

.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

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

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-xl);
}

.timeline-marker {
    position: absolute;
    left: -9px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-secondary);
    z-index: 1;
}

.timeline-content {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.company {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.role {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
}

.experience-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.date {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-family: var(--font-mono);
}

.location {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.experience-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.experience-highlights {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.experience-highlights li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.experience-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

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

.tag {
    padding: 0.375rem 0.75rem;
    background: var(--bg-primary);
    color: var(--accent-secondary);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border);
}

/* ==============================================
   SKILLS SECTION - WITH LANGUAGE FLAGS
   ============================================== */

.skills-container {
    max-width: 900px;
    margin: 0 auto;
}

.skill-section {
    margin-bottom: var(--spacing-xl);
}

.skill-section:last-child {
    margin-bottom: 0;
}

.skill-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.skill-icons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
}

.skill-icons i {
    font-size: 3rem;
    color: var(--accent);
    transition: var(--transition-base);
    cursor: pointer;
}

.skill-icons i:hover {
    transform: translateY(-4px) scale(1.1);
    filter: brightness(1.2);
}

/* Devicon specific colors will show through with 'colored' class */
.skill-icons [class*="devicon-"].colored {
    color: inherit;
}

/* Font Awesome icons for tools without devicons */
.skill-icons .fa-microchip {
    color: var(--accent);
}

/* Language Icons with Flags and Text */
.language-icons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.language-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-base);
    cursor: default;
}

.language-item:hover {
    transform: translateY(-4px);
}

.language-flag {
    width: 64px;
    height: 48px;
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    display: block;
    border: 1px solid var(--border);
}

.language-item:hover .language-flag {
    box-shadow: var(--shadow-md);
    transform: scale(1.05);
}

.language-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.language-level {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ==============================================
   HACKATHONS & EVENTS SECTION
   ============================================== */

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.event-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.event-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.event-card.highlight {
    border: 2px solid var(--yellow);
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(238, 212, 159, 0.05) 100%);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.event-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.event-type {
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
}

.event-type.hackathon {
    background: var(--mauve);
    color: var(--bg-primary);
}

.event-type.exhibition {
    background: var(--blue);
    color: var(--bg-primary);
}

.event-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

.event-date i {
    color: var(--accent);
}

.event-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

.event-achievement {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: 6px;
    border: 1px solid var(--border);
    margin-top: var(--spacing-sm);
}

.event-achievement i {
    color: var(--accent-secondary);
    font-size: 1rem;
}

.event-achievement span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.highlight-achievement {
    background: rgba(238, 212, 159, 0.1);
    border-color: var(--yellow);
}

.highlight-achievement i {
    color: var(--yellow);
}

.highlight-achievement span {
    color: var(--text-primary);
    font-weight: 600;
}

.event-project {
    margin-top: var(--spacing-sm);
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--accent);
    border-radius: 6px;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.project-badge:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateX(4px);
}

.project-badge i {
    font-size: 0.875rem;
}

/* ==============================================
   PROJECTS SECTION
   ============================================== */

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

.project-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    scroll-margin-top: 100px;
}

.project-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.project-card:target {
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(238, 212, 159, 0.2);
    animation: highlight-pulse 1s ease-in-out;
}

@keyframes highlight-pulse {
    0%, 100% {
        box-shadow: 0 0 0 3px rgba(238, 212, 159, 0.2);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(238, 212, 159, 0.3);
    }
}

.project-icon {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    background: var(--bg-primary);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.project-icon:empty::before {
    content: '🖼️';
    font-size: 3rem;
    opacity: 0.5;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
}

.project-link:hover {
    color: var(--accent-hover);
    gap: var(--spacing-sm);
}

/* ==============================================
   CONTACT SECTION
   ============================================== */

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

.contact-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.contact-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.resume-card i {
    color: var(--red);
}

.resume-card:hover {
    border-color: var(--red);
}

/* ==============================================
   FOOTER
   ============================================== */

.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

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

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

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: var(--transition-base);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

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

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

    .hero {
        padding-top: calc(var(--spacing-2xl) + 60px);
    }

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

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

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .experience-meta {
        align-items: flex-start;
    }

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

    .timeline-item {
        padding-left: var(--spacing-lg);
    }

    .skill-icons {
        gap: var(--spacing-md);
    }

    .skill-icons i {
        font-size: 2.5rem;
    }

    .language-icons {
        gap: var(--spacing-md);
    }

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

    .event-header {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

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

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .hero-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .skill-icons i {
        font-size: 2rem;
    }

    .language-flag {
        width: 56px;
        height: 42px;
    }
}

/* ==============================================
   ANIMATIONS
   ============================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

section {
    scroll-margin-top: 80px;
}

a:focus,
button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}