/* ====================================
   CSS VARIABLES & DESIGN TOKENS
   ==================================== */

:root {
    /* Colors - Dark Theme (Default) - Sunset Gradient */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1f1f1f;

    --text-primary: #ffffff;
    --text-secondary: #d4c4d8;
    --text-muted: #8b7b8e;

    --accent-primary: #ff6b6b;
    --accent-secondary: #f59e0b;
    --accent-gradient: linear-gradient(135deg, #ff6b6b 0%, #f59e0b 100%);

    --glow-primary: rgba(255, 107, 107, 0.4);
    --glow-secondary: rgba(245, 158, 11, 0.3);

    --glass-bg: rgba(26, 26, 36, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);

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

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;

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

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px var(--glow-primary);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;

    --text-primary: #1a1a24;
    --text-secondary: #4a4a5e;
    --text-muted: #8b8b9e;

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* ====================================
   BASE STYLES
   ==================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
}

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

.btn-repo {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-repo:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

/* Mobile Menu Toggle Button - Hidden by default */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: rotate(90deg);
}

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

.mobile-nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-xl);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-fast);
    text-align: center;
}

.mobile-nav-link:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateX(10px);
}


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

.hero {
    min-height: 100vh;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr var(--spacing-lg) 1fr;
    grid-template-columns: 1fr 1fr;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    gap: var(--spacing-lg);
    grid-gap: var(--spacing-lg);
}

/* For browsers that support grid */
@supports (display: grid) {
    .hero {
        display: grid;
    }
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.floating-icons {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    font-size: 2.5rem;
    color: var(--accent-primary);
    opacity: 0.6;
    filter: drop-shadow(0 0 15px var(--glow-primary));
    animation: float 3s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    animation-delay: 0.7s;
}

.floating-icon:nth-child(3) {
    animation-delay: 1.4s;
}

.floating-icon:nth-child(4) {
    animation-delay: 2.1s;
}

.profile-photo-container {
    position: relative;
    -ms-grid-column: 2;
    grid-column: 2 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    padding: var(--spacing-lg);
}

.profile-photo-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-photo-glow {
    position: absolute;
    inset: -20px;
    background: var(--accent-gradient);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.6;
    animation: pulse-glow 3s ease-in-out infinite;
}

.profile-photo {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    object-position: 15% center;
    /* Shifted left to show full face */
    border: 5px solid transparent;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
        var(--accent-gradient) border-box;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.profile-badge {
    position: absolute;
    bottom: -25px;
    right: -5px;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.profile-badge i {
    color: #22c55e;
    font-size: 0.5rem;
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: left;
    max-width: 600px;
    padding: var(--spacing-md);
    padding-left: var(--spacing-xl);
    grid-column: 1;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 60px;
}

.typing-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--accent-primary);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 10;
    -webkit-animation: bounceScroll 2s ease-in-out infinite;
    animation: bounceScroll 2s ease-in-out infinite;
}

.scroll-indicator i {
    font-size: var(--font-size-lg);
    color: var(--accent-primary);
}

.scroll-indicator p {
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: lowercase;
    margin: 0;
}

/* ====================================
   BUTTONS
   ==================================== */

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--glow-primary);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

.btn-icon {
    width: 50px;
    height: 50px;
    padding: 0;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    color: var(--text-primary);
    justify-content: center;
}

.btn-icon:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

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

.about {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.about-subtitle {
    text-align: center;
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

/* 2x2 Grid Layout */
.about-grid-2x2 {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1.5fr 1fr;
    -ms-grid-rows: 1fr 1fr;
    grid-template-columns: 1.5fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-md);
    grid-gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

/* Journey Card - Large (Left side, spans 2 rows) */
.journey-card {
    -ms-grid-column: 1;
    -ms-grid-row: 1;
    -ms-grid-row-span: 2;
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.journey-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 12px 40px var(--glow-primary);
}

.journey-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.journey-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.journey-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: auto;
}

.journey-stat {
    flex: 1;
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-text {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Education Card (Top Right) */
.education-card {
    -ms-grid-column: 2;
    -ms-grid-row: 1;
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.card-icon-small {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: white;
    margin: 0 auto var(--spacing-sm);
}

.education-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.education-detail {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.education-year {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-sm);
}

/* Passion Card (Bottom Left of right column) */
.passion-card {
    -ms-grid-column: 2;
    -ms-grid-row: 2;
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
}

.passion-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.passion-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.passion-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.badge-pill {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.badge-pill:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px var(--glow-primary);
}

/* Tech Stack Card */
.tech-stack-card {
    grid-column: 1 / 3;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    margin-top: var(--spacing-md);
}

.tech-stack-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.tech-stack-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.tech-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all var(--transition-fast);
}

.tech-badge:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--glow-primary);
}

.tech-badge i {
    font-size: var(--font-size-sm);
}

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

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

.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px var(--glow-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    opacity: 1;
    transform: scale(1);
}

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

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 12px 40px var(--glow-primary);
}

.project-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.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);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-gradient);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

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

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.project-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 15px var(--glow-primary);
}

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

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

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

.info-card {
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.info-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: white;
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

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

.info-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.info-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--glow-primary);
}

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

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
}

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

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

.footer {
    padding: var(--spacing-lg) 0;
    background: var(--bg-tertiary);
    text-align: center;
}

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

.social-link {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-primary);
    transform: translateY(-3px);
}

.footer-quote {
    margin: var(--spacing-md) 0;
}

.footer-quote p {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--text-secondary);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

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

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes float {

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

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

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {

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

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

@keyframes bounceScroll {

    0%,
    100% {
        -webkit-transform: translateX(-50%) translateY(0);
        -ms-transform: translateX(-50%) translateY(0);
        transform: translateX(-50%) translateY(0);
    }

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

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.6s ease;
}

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

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

/* Tablet and below (1024px) */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }

    .hero-content {
        text-align: center;
        padding-left: var(--spacing-md);
        grid-column: 1;
        grid-row: 2;
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .profile-photo-container {
        grid-column: 1;
        grid-row: 1;
        margin-top: var(--spacing-lg);
        padding: var(--spacing-md);
    }

    .profile-photo-wrapper {
        width: 300px;
        height: 300px;
    }

    .profile-photo {
        width: 250px;
        height: 250px;
    }

    .floating-icons {
        opacity: 0.3;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    /* About Section - 2 columns on tablet */
    .about-grid-2x2 {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto;
    }

    .journey-card {
        grid-column: 1 / 3;
        grid-row: 1;
    }

    .education-card {
        grid-column: 1 / 2;
        grid-row: 2;
    }

    .passion-card {
        grid-column: 2 / 3;
        grid-row: 2;
    }

    .tech-stack-card {
        grid-column: 1 / 3;
        grid-row: 3;
    }

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

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* Mobile landscape and below (768px) */
@media (max-width: 768px) {

    /* Show mobile menu button, hide desktop nav */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .btn-repo {
        display: none;
    }

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

    /* Hero Section */
    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: var(--spacing-lg);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        min-height: 40px;
    }

    .profile-photo-wrapper {
        width: 250px;
        height: 250px;
    }

    .profile-photo {
        width: 200px;
        height: 200px;
    }

    .profile-badge {
        bottom: -15px;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }

    .floating-icon {
        font-size: 1.5rem;
    }

    /* About Section - Stack everything on mobile */
    .about-grid-2x2 {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: var(--spacing-sm);
    }

    .journey-card {
        grid-column: 1;
        grid-row: auto;
        padding: var(--spacing-md);
    }

    .education-card {
        grid-column: 1;
        grid-row: auto;
    }

    .passion-card {
        grid-column: 1;
        grid-row: auto;
    }

    .tech-stack-card {
        grid-column: 1;
        grid-row: auto;
    }

    .journey-stats {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .journey-stat {
        flex: 1 1 45%;
        min-width: 120px;
    }

    .stat-value {
        font-size: var(--font-size-xl);
    }

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

    .project-filters {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

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

    /* Buttons */
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

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

    .btn-icon {
        width: 100%;
    }

    /* Footer */
    .footer-social {
        flex-wrap: wrap;
    }

    .scroll-indicator {
        bottom: 1rem;
        font-size: var(--font-size-xs);
    }
}

/* Mobile portrait (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
    }

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

    /* Hero */
    .hero {
        padding-top: 80px;
    }

    .hero-title {
        font-size: var(--font-size-xl);
        line-height: 1.3;
    }

    .highlight {
        white-space: normal;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .profile-photo-wrapper {
        width: 200px;
        height: 200px;
    }

    .profile-photo {
        width: 180px;
        height: 180px;
    }

    .profile-badge {
        bottom: -12px;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }

    /* Typography */
    .section-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }

    .about-subtitle {
        font-size: var(--font-size-base);
    }

    /* About Cards */
    .journey-card h3,
    .education-card h3,
    .passion-card h3,
    .tech-stack-card h3 {
        font-size: var(--font-size-lg);
    }

    .journey-card,
    .education-card,
    .passion-card,
    .tech-stack-card {
        padding: var(--spacing-sm);
    }

    .journey-stats {
        flex-direction: column;
    }

    .journey-stat {
        flex: 1 1 100%;
    }

    .tech-badges {
        gap: 0.4rem;
    }

    .tech-badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }

    /* Projects */
    .project-title {
        font-size: var(--font-size-lg);
    }

    .project-description {
        font-size: var(--font-size-sm);
    }

    .project-image {
        height: 180px;
    }

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

    .contact-form {
        padding: var(--spacing-sm);
    }

    .form-group input,
    .form-group textarea {
        font-size: var(--font-size-sm);
    }

    /* Mobile menu improvements for small screens */
    .mobile-nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-sm);
    }

    .mobile-menu {
        padding: var(--spacing-sm);
    }
}

/* Very small mobile (375px and below) */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.25rem;
    }

    .profile-photo-wrapper {
        width: 180px;
        height: 180px;
    }

    .profile-photo {
        width: 160px;
        height: 160px;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .btn {
        font-size: var(--font-size-sm);
        padding: 0.6rem 1rem;
    }
}

/* Landscape orientation optimization */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .profile-photo-wrapper {
        width: 200px;
        height: 200px;
    }

    .profile-photo {
        width: 180px;
        height: 180px;
    }

    .scroll-indicator {
        display: none;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {

    /* Ensure all interactive elements have adequate touch targets */
    .btn,
    .nav-link,
    .filter-btn,
    .project-link,
    .info-link,
    .social-link {
        min-height: 44px;
        min-width: 44px;
    }

    /* Remove hover effects on touch devices */
    .project-card:hover {
        transform: none;
    }

    .project-card:active {
        transform: scale(0.98);
    }

    /* Better touch feedback */
    .btn:active,
    .filter-btn:active,
    .mobile-nav-link:active {
        transform: scale(0.95);
    }
}