/* ==========================================================================
   Ultra-Modern Apple-Inspired Portfolio Design System
   Developer: Ratan Lal Kumawat
   ========================================================================== */

:root {
    --bg-dark: #060709;
    --bg-card: rgba(18, 20, 26, 0.65);
    --bg-card-hover: rgba(26, 29, 38, 0.9);
    --bg-header-scrolled: rgba(14, 17, 23, 0.85);
    --bg-footer: rgba(10, 12, 16, 0.85);
    --border-card: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.22);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-blue: #38bdf8;
    --accent-purple: #a855f7;
    --accent-emerald: #34d399;
    --accent-orange: #fb923c;
    
    --gradient-hero: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    
    --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-spring: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-pill: 9999px;

    --btn-primary-bg: #ffffff;
    --btn-primary-text: #09090b;
    --btn-secondary-bg: rgba(255, 255, 255, 0.06);
    --btn-secondary-text: #ffffff;

    --modal-bg: #0f1117;
    --tag-bg: rgba(255, 255, 255, 0.05);
    --tag-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --bg-header-scrolled: rgba(255, 255, 255, 0.88);
    --bg-footer: rgba(255, 255, 255, 0.9);
    --border-card: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.2);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #334155 100%);

    --btn-primary-bg: #0f172a;
    --btn-primary-text: #ffffff;
    --btn-secondary-bg: rgba(0, 0, 0, 0.05);
    --btn-secondary-text: #0f172a;

    --modal-bg: #ffffff;
    --tag-bg: rgba(0, 0, 0, 0.05);
    --tag-border: rgba(0, 0, 0, 0.08);
}

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

/* Silky Smooth Theme Color & Layout Switching */
html, body,
.project-card,
.skill-card,
.timeline-content,
.contact-card,
.site-footer,
.tag-pill,
.skill-badge,
.filter-btn,
.btn-pill,
.modal-card,
.theme-toggle,
.hero-stats,
.tech-icon-item,
.location-chip,
.mobile-drawer-card {
    transition: background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

/* Ambient Glow Backgrounds */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.2;
    transition: var(--transition-smooth);
}

.glow-1 {
    top: -10%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #6366f1, transparent 70%);
}

.glow-2 {
    top: 45%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #a855f7, transparent 70%);
}

.glow-3 {
    bottom: -10%;
    left: 10%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, #10b981, transparent 70%);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation Header — Apple Hardware-Accelerated Floating Island */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    display: flex;
    justify-content: center;
    pointer-events: none;
    transition: padding 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header .nav-container {
    pointer-events: auto;
    width: calc(100% - 32px);
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    box-shadow: 0 0 0 transparent;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    transition: max-width 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                padding 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-radius 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                backdrop-filter 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Floating Island Style on Scroll (Glitch-Free Hardware Accelerated) */
.site-header.scrolled {
    padding: 14px 0;
}

.site-header.scrolled .nav-container {
    max-width: 960px;
    background: var(--bg-header-scrolled);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-color: var(--border-card);
    border-radius: var(--radius-pill);
    padding: 10px 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.brand-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-pill {
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    will-change: transform, box-shadow;
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
    transform: translateY(-3px) translateZ(0);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px) translateZ(0);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.btn-pill:active {
    transform: translateY(-1px) scale(0.98);
}

.theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.95rem;
    will-change: transform, border-color;
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px) scale(1.05);
}

.icon-sun { display: block; color: #f59e0b; }
.icon-moon { display: none; color: #a855f7; }

[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.mobile-toggle-btn {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    will-change: transform, border-color;
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-toggle-btn:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px) scale(1.05);
}

/* Mobile Drawer Component */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    display: flex;
    justify-content: flex-end;
}

.mobile-drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-drawer-card {
    width: 85%;
    max-width: 340px;
    height: 100%;
    background: var(--bg-card-hover);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid var(--border-card);
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer-overlay.active .mobile-drawer-card {
    transform: translateX(0);
}

.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-card);
    margin-bottom: 24px;
}

.mobile-drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-drawer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    transition: var(--transition-smooth);
}

.mobile-nav-link i {
    color: var(--accent-purple);
    width: 20px;
}

.mobile-nav-link:hover {
    background: var(--gradient-accent);
    color: #fff;
}

.mobile-drawer-footer {
    margin-top: auto;
    padding-top: 24px;
}

.mobile-cta-btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
}

/* Hero Section */
.hero-section {
    padding: 175px 0 90px;
    text-align: center;
    position: relative;
}

.hero-status-strip {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 22px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.status-indicator {
    position: relative;
    width: 100%;
    max-width: 10px;
    height: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.radar-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    z-index: 2;
}

.radar-ring {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.4);
    animation: radar-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes radar-ping {
    75%, 100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

.status-location {
    color: var(--text-primary);
    font-weight: 700;
}

.status-divider {
    color: var(--text-muted);
}

.status-role {
    color: var(--accent-purple);
    font-weight: 700;
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4.4rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto 36px;
    font-weight: 500;
    line-height: 1.6;
}

/* Tech Quick Bar */
.hero-tech-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tech-icon-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    will-change: transform, box-shadow;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.tech-icon-item i {
    font-size: 1.15rem;
}

.tech-icon-item:hover {
    transform: translateY(-4px) translateZ(0);
    border-color: var(--border-hover);
    color: var(--text-primary);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
    padding: 32px 16px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-card);
}

.stat-item {
    position: relative;
    padding: 0 20px;
    text-align: center;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background: linear-gradient(180deg, transparent 0%, var(--border-card) 25%, var(--border-card) 75%, transparent 100%);
}

.stat-num {
    font-size: 2.3rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Section Header */
.section-header {
    margin-bottom: 48px;
    text-align: center;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-purple);
    margin-bottom: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 620px;
    margin: 0 auto;
}

/* Filter Controls */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 9px 20px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    will-change: transform, box-shadow, background-color;
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-btn:hover {
    transform: translateY(-3px) translateZ(0);
    color: var(--text-primary);
    border-color: var(--border-hover);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.filter-btn.active {
    background: var(--gradient-accent);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 8px 22px rgba(99, 102, 241, 0.35);
}

.filter-btn.active:hover {
    transform: translateY(-3px) translateZ(0);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.45);
}

.filter-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Projects Grid */
.projects-section {
    padding: 90px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

.project-card {
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    backdrop-filter: blur(20px);
    will-change: transform, box-shadow;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover {
    transform: translateY(-10px) translateZ(0);
    border-color: var(--border-hover);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.28);
    background: var(--bg-card-hover);
}

.project-img-wrapper {
    position: relative;
    width: 100%;
    height: 230px;
    overflow: hidden;
    background: #000;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: rgba(6, 7, 9, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.project-content {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.project-subtitle {
    font-size: 0.9rem;
    color: var(--accent-purple);
    font-weight: 700;
    margin-bottom: 14px;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 16px;
}

.tag-pill {
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid var(--border-card);
}

.btn-details {
    color: var(--accent-blue);
    font-size: 0.88rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Skills Matrix Section */
.skills-section {
    padding: 90px 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.skill-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    will-change: transform, box-shadow;
    transition: transform 0.42s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.42s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.42s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.42s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-card:hover {
    transform: translateY(-8px) translateZ(0);
    border-color: var(--border-hover);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.skill-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.skill-icon-wrapper.blue { background: rgba(56, 189, 248, 0.12); }
.skill-icon-wrapper.purple { background: rgba(168, 85, 247, 0.12); }
.skill-icon-wrapper.emerald { background: rgba(52, 211, 153, 0.12); }
.skill-icon-wrapper.orange { background: rgba(251, 146, 60, 0.12); }

.skill-header h4 {
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.2;
}

.skill-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
}

.skill-list {
    list-style: none;
    margin-bottom: 24px;
}

.skill-list li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.skill-list li i {
    color: var(--accent-emerald);
    margin-top: 4px;
    font-size: 0.85rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-card);
}

.skill-badge {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--tag-border);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Experience Timeline */
.experience-section {
    padding: 90px 0;
}

.timeline {
    position: relative;
    max-width: 850px;
    margin: 0 auto;
    padding-left: 30px;
    border-left: 2px solid var(--border-card);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -37px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-purple);
    box-shadow: 0 0 12px var(--accent-purple);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    padding: 28px;
    backdrop-filter: blur(20px);
    will-change: transform, box-shadow;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-content:hover {
    transform: translateY(-4px) translateZ(0);
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.timeline-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 800;
}

.timeline-company {
    font-size: 0.88rem;
    color: var(--accent-blue);
    font-weight: 600;
    display: block;
}

.timeline-date {
    font-size: 0.82rem;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    font-weight: 600;
}

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

/* Contact CTA Section */
.contact-section {
    padding: 100px 0 100px;
}

.contact-card {
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 1px solid var(--border-card);
    padding: 60px 40px;
    text-align: center;
    backdrop-filter: blur(30px);
    position: relative;
    overflow: hidden;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: var(--accent-purple);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-card h2 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
}

.contact-methods {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.location-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    will-change: transform, border-color;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.location-chip:hover {
    transform: translateY(-2px) translateZ(0);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* Redesigned Apple Glassmorphic Footer */
.site-footer {
    padding: 70px 0 35px;
    border-top: 1px solid var(--border-card);
    background: var(--bg-footer);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 2fr;
    gap: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.brand-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 360px;
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 10px;
    transition: var(--transition-smooth);
}

.footer-col a:hover {
    color: var(--accent-purple);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--border-card);
    padding-top: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer-location {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Shared Element Morph Modal System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                backdrop-filter 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
}

.modal-card {
    background: var(--modal-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transform-origin: center center;
    will-change: transform, opacity;
}

.modal-body > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.38s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-body > * {
    opacity: 1;
    transform: translateY(0);
}

.modal-overlay.active .modal-body h2 { transition-delay: 0.12s; }
.modal-overlay.active .modal-body .modal-role { transition-delay: 0.16s; }
.modal-overlay.active .modal-body p#modalDesc { transition-delay: 0.20s; }
.modal-overlay.active .modal-body h4, 
.modal-overlay.active .modal-body .modal-highlights,
.modal-overlay.active .modal-body .tech-tags,
.modal-overlay.active .modal-body div { transition-delay: 0.24s; }

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--tag-bg);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    border-color: var(--border-hover);
}

.modal-header-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.modal-body {
    padding: 32px;
}

.modal-body h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.modal-role {
    color: var(--accent-purple);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.modal-highlights {
    margin: 20px 0;
    padding-left: 20px;
}

.modal-highlights li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* ==========================================================================
   Comprehensive Mobile Responsiveness & Glitch-Free Animations
   ========================================================================== */

@media (max-width: 992px) {
    .footer-top { grid-template-columns: 1fr; gap: 40px; }
    .site-header.scrolled .nav-container { max-width: 90%; }
}

@media (max-width: 868px) {
    .nav-menu { display: none; }
    .desktop-only-btn { display: none; }
    .mobile-toggle-btn { display: flex; }
    .site-header { padding: 12px 0; }
    .site-header .nav-container { padding: 10px 18px; max-width: calc(100% - 24px); }
    .site-header.scrolled { padding: 8px 0; }
    .site-header.scrolled .nav-container { padding: 8px 16px; max-width: calc(100% - 32px); }
}

@media (max-width: 768px) {
    .container { padding: 0 18px; }
    .hero-section { padding: 130px 0 50px; }
    .hero-title { font-size: clamp(2rem, 7.5vw, 2.8rem); margin-bottom: 16px; }
    .hero-subtitle { font-size: 0.98rem; margin-bottom: 24px; }
    
    .hero-tech-bar { gap: 8px; margin-bottom: 24px; }
    .tech-icon-item { padding: 5px 10px; font-size: 0.75rem; }
    .tech-icon-item i { font-size: 0.95rem; }

    .hero-cta { flex-direction: column; width: 100%; gap: 12px; }
    .hero-cta .btn-pill { width: 100%; justify-content: center; }

    .hero-stats { grid-template-columns: 1fr; gap: 20px; padding: 24px; text-align: center; }
    .stat-item { padding: 8px 0; }
    .stat-item:not(:last-child)::after {
        right: 15%;
        top: auto;
        bottom: -10px;
        width: 70%;
        height: 1px;
        background: linear-gradient(90deg, transparent 0%, var(--border-card) 25%, var(--border-card) 75%, transparent 100%);
    }
    .stat-num { font-size: 1.85rem; }

    .section-header { margin-bottom: 32px; }
    .section-title { font-size: 1.75rem; }
    .section-desc { font-size: 0.92rem; }

    .filter-bar { gap: 8px; justify-content: flex-start; overflow-x: auto; padding-bottom: 8px; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
    .filter-btn { white-space: nowrap; font-size: 0.8rem; padding: 8px 14px; }

    .projects-grid { grid-template-columns: 1fr; gap: 24px; }
    .project-card { border-radius: var(--radius-md); }
    .project-img-wrapper { height: 190px; }
    .project-content { padding: 18px; }
    .project-title { font-size: 1.2rem; }

    .skills-grid { grid-template-columns: 1fr; gap: 20px; }
    .skill-card { padding: 22px; border-radius: var(--radius-md); }
    .skill-header { gap: 12px; margin-bottom: 16px; }
    .skill-icon-wrapper { width: 44px; height: 44px; font-size: 1.4rem; }

    .timeline { padding-left: 18px; }
    .timeline-dot { left: -24px; width: 10px; height: 10px; }
    .timeline-content { padding: 18px; }
    .timeline-header { flex-direction: column; align-items: flex-start; gap: 4px; }

    .contact-card { padding: 36px 18px; border-radius: var(--radius-md); }
    .contact-card h2 { font-size: 1.75rem; }
    .contact-card p { font-size: 0.95rem; }
    .contact-methods { flex-direction: column; width: 100%; }
    .contact-methods .btn-pill, .location-chip { width: 100%; justify-content: center; }

    .footer-nav { grid-template-columns: 1fr; gap: 20px; text-align: left; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 10px; }

    .modal-body { padding: 20px; }
    .modal-body h2 { font-size: 1.4rem; }
    .modal-header-img { height: 180px; }
}

@media (max-width: 480px) {
    .brand-name { font-size: 0.9rem; }
    .brand-sub { font-size: 0.65rem; }
    .hero-title { font-size: 1.75rem; }
}