@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* Touch Device Detection */
html.touch-device {
    /* Disable hover-based media queries for touch devices */
    --hover-enabled: 0;
}

/* Active touch feedback styles */
html.touch-device a.active-touch,
html.touch-device button.active-touch {
    opacity: 0.9;
    transform: scale(0.97);
    transition: all 0.12s ease;
}

/* Card touch feedback - stronger visual response */
html.touch-device .skill-category.active-touch,
html.touch-device .testimonial-card.active-touch,
html.touch-device .about-card.active-touch,
html.touch-device .project-card.active-touch {
    opacity: 0.88;
    transform: scale(0.96) translateY(-3px);
    box-shadow: 0 12px 24px rgba(139, 92, 246, 0.25);
    transition: all 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Styles */
body {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #4f46e5, #7c3aed);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #6366f1, #8b5cf6);
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.reveal-card {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
    will-change: opacity, transform;
    transition:
        opacity 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
        transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal-card.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.lazy-blur {
    filter: blur(12px);
    transform: scale(1.02);
    transition: filter 0.4s ease, transform 0.4s ease, opacity 0.4s ease;
}

@media (prefers-reduced-motion: reduce) {
    .reveal-card,
    .reveal-card.revealed {
        opacity: 1;
        transform: none;
        filter: none;
        transition: none;
    }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Timeline Styles */
.right-timeline {
    animation: slideInRight 1s forwards;
}

.left-timeline {
    animation: slideInLeft 1s forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .right-timeline, .left-timeline {
        animation: none;
        opacity: 1;
    }
}

/* Gradient Text */
.gradient-text {
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glassmorphism Effect */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

/* Hover Effects */
.hover-grow {
    transition: transform 0.3s ease;
}

.hover-grow:hover {
    transform: scale(1.03);
}

/* Section Dividers */
.curved-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.curved-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 50px;
}

.curved-divider .shape-fill {
    fill: #0F172A;
}

/* Input Focus Effects */
.input-focus:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* Back to Top Button Visibility */
#backToTop.visible {
    opacity: 1;
    visibility: visible;
}

.cont {
    font-size: 1.2rem;
}

.cont_main {
    margin-bottom: 50px;
}

.follow_me {
    margin-bottom: 50px;
}

/* Light Mode Styles */
body.light-mode {
    background-color: #ffffff !important;
    color: #1f2937 !important;
}

/* Light mode - Background blobs */
body.light-mode .absolute.rounded-full:not(#experience .absolute) {
    opacity: 0.15 !important;
}

/* Keep timeline icons fully visible and colored in light mode */
body.light-mode #experience .from-blue-500.to-cyan-500.w-12.h-12 {
    opacity: 1 !important;
    background: linear-gradient(to bottom right, #3b82f6, #06b6d4) !important;
}

body.light-mode #experience .from-purple-500.to-pink-500.w-12.h-12 {
    opacity: 1 !important;
    background: linear-gradient(to bottom right, #a855f7, #ec4899) !important;
}

body.light-mode #experience .from-cyan-500.to-blue-500.w-12.h-12 {
    opacity: 1 !important;
    background: linear-gradient(to bottom right, #06b6d4, #3b82f6) !important;
}

/* Light mode - Cards and sections */
body.light-mode section {
    color: #1f2937 !important;
}

body.light-mode h1,
body.light-mode h2,
body.light-mode h3,
body.light-mode h4,
body.light-mode h5,
body.light-mode h6,
body.light-mode p,
body.light-mode span,
body.light-mode div {
    color: inherit !important;
}

/* Light mode - Glass cards */
body.light-mode .glass-card {
    background: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1) !important;
}

/* Light mode - All dark cards with gradients */
body.light-mode [class*="from-gray-800"],
body.light-mode [class*="from-gray-900"],
body.light-mode [class*="to-gray-800"],
body.light-mode [class*="to-gray-900"],
body.light-mode .bg-gray-800,
body.light-mode .bg-gray-900 {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #fef3c7 100%) !important;
    border: 1px solid #bae6fd !important;
}

/* Light mode - Text inside dark cards */
body.light-mode [class*="from-gray-800"] *:not([class*="bg-clip-text"]):not([class*="gradient"]),
body.light-mode [class*="from-gray-900"] *:not([class*="bg-clip-text"]):not([class*="gradient"]),
body.light-mode [class*="to-gray-800"] *:not([class*="bg-clip-text"]):not([class*="gradient"]),
body.light-mode [class*="to-gray-900"] *:not([class*="bg-clip-text"]):not([class*="gradient"]),
body.light-mode .bg-gray-800 *:not([class*="bg-clip-text"]):not([class*="gradient"]),
body.light-mode .bg-gray-900 *:not([class*="bg-clip-text"]):not([class*="gradient"]) {
    color: #1f2937 !important;
}

/* Light mode - Testimonial specific cards */
body.light-mode #contact .rounded-2xl.p-8 {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
}

/* Light mode - Testimonial cards with gradients */
body.light-mode #testimonials .rounded-2xl {
    background: linear-gradient(135deg, #fce7f3 0%, #e0e7ff 50%, #dbeafe 100%) !important;
    border: 1px solid #e0e7ff !important;
}

/* Light mode - Scrollbar */
body.light-mode ::-webkit-scrollbar-track {
    background: #f1f5f9;
}

body.light-mode ::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #6366f1, #8b5cf6);
}

/* Light mode - Input fields */
body.light-mode input,
body.light-mode textarea {
    background-color: #f8fafc !important;
    border-color: #cbd5e1 !important;
    color: #1f2937 !important;
}

/* Light mode - Footer */
body.light-mode footer {
    background-color: #f8fafc !important;
    border-top: 1px solid #e2e8f0 !important;
}

/* Preserve gradient text in light mode */
body.light-mode .gradient-text,
body.light-mode [class*="bg-clip-text"] {
    color: transparent !important;
}

/* Social media icon buttons - preserve hover colors in both modes */
.follow_me a {
    color: #9ca3af;
}

.follow_me a:hover {
    transform: scale(1.1);
}

.follow_me a:active {
    transform: scale(0.95);
}

body.light-mode .follow_me a {
    background-color: #f3f4f6 !important;
    color: #4b5563 !important;
}

body.light-mode .follow_me a:nth-child(1):hover {
    background-color: rgba(34, 197, 94, 0.3) !important;
    color: #16a34a !important;
}

body.light-mode .follow_me a:nth-child(2):hover {
    background-color: rgba(59, 130, 246, 0.3) !important;
    color: #2563eb !important;
}

body.light-mode .follow_me a:nth-child(3):hover {
    background-color: rgba(37, 99, 235, 0.3) !important;
    color: #1d4ed8 !important;
}

body.light-mode .follow_me a:nth-child(4):hover {
    background-color: rgba(168, 85, 247, 0.3) !important;
    color: #9333ea !important;
}

/* Light mode - My Journey hover effects */
body.light-mode #experience .rounded-xl:hover {
    transform: translateY(-0.5rem) scale(1.05) !important;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1) !important;
}

body.light-mode #experience .rounded-xl:hover[class*="border-blue"] {
    border-color: rgba(59, 130, 246, 0.5) !important;
    box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.2), 0 8px 10px -6px rgba(59, 130, 246, 0.2) !important;
}

body.light-mode #experience .rounded-xl:hover[class*="border-purple"] {
    border-color: rgba(168, 85, 247, 0.5) !important;
    box-shadow: 0 20px 25px -5px rgba(168, 85, 247, 0.2), 0 8px 10px -6px rgba(168, 85, 247, 0.2) !important;
}

body.light-mode #experience .rounded-xl:hover[class*="border-cyan"] {
    border-color: rgba(6, 182, 212, 0.5) !important;
    box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.2), 0 8px 10px -6px rgba(6, 182, 212, 0.2) !important;
}

/* Light mode - Hide/reduce My Journey background gradient */
body.light-mode #experience .absolute.bg-gradient-to-l {
    opacity: 0 !important;
}



/* Light mode - Project cards hover overlay */
body.light-mode #projects .group:hover .absolute.bg-gradient-to-t {
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.2)) !important;
}

body.light-mode #projects .group:hover .absolute.bg-gradient-to-t h3 {
    color: #1f2937 !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

body.light-mode #projects img {
    opacity: 1 !important;
}

/* Smooth transitions for project cards */
#projects .group,
#projects .group *,
#projects .group img {
    will-change: transform, opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

#projects .group {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease;
}

#projects .group img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#projects .group .absolute.bg-gradient-to-t {
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}


/* Light mode - make project card hover more lively but clean */
body.light-mode #projects .group:hover {
    box-shadow: 0 12px 18px -8px rgba(0,0,0,0.12), 0 6px 10px -6px rgba(102, 126, 234, 0.15);
}

/* Light mode - subtle overlay on hover for better text contrast */
/* Light mode - replace white overlay with glass effect */
body.light-mode #projects .group:hover .absolute.bg-gradient-to-t {
    background: rgba(255, 255, 255, 0.35) !important;
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border: 1px solid rgba(209, 213, 219, 0.35);
}

/* Light mode - keep title readable in overlay */
body.light-mode #projects .group:hover .absolute.bg-gradient-to-t h3 {
    color: #0f172a !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.08);
}



/* Light mode - Hide About section background gradients */
body.light-mode #about .absolute.bg-gradient-to-l {
    opacity: 0 !important;
}

/* Light mode - Contact Me button (hero section) */
body.light-mode .flex.space-x-4 a[href="#contact"] {
    border: 2px solid #cbd5e1 !important;
    background-color: #f8fafc !important;
    color: #1f2937 !important;
    transition: all 0.3s ease !important;
}

body.light-mode .flex.space-x-4 a[href="#contact"]:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border-color: #667eea !important;
    color: #ffffff !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 20px -5px rgba(102, 126, 234, 0.4), 0 4px 6px -2px rgba(102, 126, 234, 0.2) !important;
}

/* Unified theme toggle styling (circle + track) */
.theme-toggle {
    background: linear-gradient(to right, #4f46e5, #7c3aed);
    position: relative;
    overflow: hidden;
}

.theme-toggle .toggle-circle {
    background: #ffffff;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.25), 0 0 8px rgba(255,255,255,1), 0 0 18px rgba(124,58,237,0.65), 0 4px 8px rgba(0,0,0,0.35);
    transition: transform 0.3s ease;
}

body.light-mode .theme-toggle {
    background: linear-gradient(to right, #6366f1, #8b5cf6); /* Slightly lighter to keep white circle distinct */
}

body.light-mode .theme-toggle .toggle-circle {
    background: #ffffff; /* remains white */
}

/* Light mode - Profile photo glow effect */
body.light-mode #about .absolute.bg-gradient-to-r.from-purple-500.to-blue-500 {
    opacity: 0.6 !important;
}

/* Welcome modal animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-20px) translateX(10px);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-40px) translateX(-10px);
        opacity: 0.8;
    }
    75% {
        transform: translateY(-20px) translateX(5px);
        opacity: 0.6;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes gradient {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient 3s ease infinite;
}

/* Light mode welcome modal */
body.light-mode #welcomeModal {
    background: rgba(255, 255, 255, 0.8);
}

body.light-mode #welcomeContent {
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 50%, #fef3c7 100%);
    border-color: #e5e7eb;
}

body.light-mode #welcomeContent h2,
body.light-mode #welcomeContent p {
    color: #1f2937;
}

body.light-mode #welcomeContent .text-gray-300 {
    color: #4b5563 !important;
}

body.light-mode #welcomeContent .text-gray-400 {
    color: #6b7280 !important;
}

/* Testimonials stars - make solid, remove outline */
#testimonials .feather-star {
    fill: #facc15 !important; /* Tailwind yellow-400 */
    stroke: #facc15 !important;
    stroke-width: 0 !important;
}

body.light-mode #testimonials .feather-star {
    fill: #f59e0b !important; /* slightly deeper for light bg (yellow-500) */
    stroke: #f59e0b !important;
    stroke-width: 0 !important;
}

/* About section premium hover effects */
#about .about-card {
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    will-change: transform, box-shadow;
    overflow: hidden;
}

#about .about-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 10px 20px -6px rgba(0,0,0,0.35);
    background: linear-gradient(135deg, rgba(31,41,55,0.95), rgba(17,24,39,0.95));
}

#about .about-card .icon-wrap {
    transition: transform 0.25s ease, color 0.25s ease;
}

#about .about-card:hover .icon-wrap {
    transform: translateY(-2px);
}

#about .about-card h4 {
    transition: color 0.25s ease;
}

#about .about-card:hover h4 {
    color: #e5e7eb;
}

/* Light mode adjustments for About card hover */
body.light-mode #about .about-card:hover {
    box-shadow: 0 10px 20px -6px rgba(0, 0, 0, 0.12);
    background: #ffffff;
}

/* UIverse.io Theme Toggle Button Styles */
.theme-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    --hue: 220deg;
    --width: 2.8rem;
    --accent-hue: 22deg;
    --duration: 0.3s;
    --easing: cubic-bezier(0.4, 0, 0.2, 1);
}

.togglesw {
    display: none;
}

.switch {
    --shadow-offset: calc(var(--width) / 20);
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    width: var(--width);
    height: calc(var(--width) / 2.5);
    border-radius: var(--width);
    box-shadow: inset 10px 10px 10px hsl(var(--hue) 20% 80%),
        inset -10px -10px 10px hsl(var(--hue) 20% 93%);
}

.indicator {
    content: '';
    position: absolute;
    width: 40%;
    height: 60%;
    transition: all var(--duration) var(--easing);
    box-shadow: inset 0 0 2px hsl(var(--hue) 20% 15% / 60%),
        inset 0 0 3px 2px hsl(var(--hue) 20% 15% / 60%),
        inset 0 0 5px 2px hsl(var(--hue) 20% 45% / 60%);
}

.indicator.left {
    --hue: var(--accent-hue);
    overflow: hidden;
    left: 10%;
    border-radius: 100px 0 0 100px;
    background: linear-gradient(180deg, hsl(calc(var(--accent-hue) + 20deg) 95% 80%) 10%, hsl(calc(var(--accent-hue) + 20deg) 100% 60%) 30%, hsl(var(--accent-hue) 90% 50%) 60%, hsl(var(--accent-hue) 90% 60%) 75%, hsl(var(--accent-hue) 90% 50%));
}

.indicator.left::after {
    content: '';
    position: absolute;
    opacity: 0.6;
    width: 100%;
    height: 100%;
}

.indicator.right {
    right: 10%;
    border-radius: 0 100px 100px 0;
    background-image: linear-gradient(180deg, hsl(var(--hue) 20% 95%), hsl(var(--hue) 20% 65%) 60%, hsl(var(--hue) 20% 70%) 70%, hsl(var(--hue) 20% 65%));
}

.button {
    position: absolute;
    z-index: 1;
    width: 55%;
    height: 80%;
    left: 5%;
    border-radius: 100px;
    background-image: linear-gradient(160deg, hsl(var(--hue) 20% 95%) 40%, hsl(var(--hue) 20% 65%) 70%);
    transition: all var(--duration) var(--easing);
    box-shadow: 1px 1px 2px hsl(var(--hue) 18% 50% / 60%),
        1px 2px 4px hsl(var(--hue) 18% 50% / 30%);
}

.button::before, 
.button::after {
    content: '';
    position: absolute;
    top: 10%;
    width: 41%;
    height: 80%;
    border-radius: 100%;
}

.button::before {
    left: 5%;
    box-shadow: inset 1px 1px 2px hsl(var(--hue) 20% 85%);
    background-image: linear-gradient(-50deg, hsl(var(--hue) 20% 95%) 20%, hsl(var(--hue) 20% 85%) 80%);
}

.button::after {
    right: 5%;
    box-shadow: inset 1px 1px 3px hsl(var(--hue) 20% 70%);
    background-image: linear-gradient(-50deg, hsl(var(--hue) 20% 95%) 20%, hsl(var(--hue) 20% 75%) 80%);
}

.togglesw:checked + .switch .button {
    left: 40%;
}

.togglesw:not(:checked) + .switch .indicator.left,
.togglesw:checked + .switch .indicator.right {
    box-shadow: inset 0 0 5px hsl(var(--hue) 20% 15% / 100%),
        inset 20px 20px 10px hsl(var(--hue) 20% 15% / 100%),
        inset 20px 20px 15px hsl(var(--hue) 20% 45% / 100%);
}

/* Tooltip Styles */
.theme-toggle-container {
    position: relative;
}

.theme-toggle-container::after {
    content: attr(data-tooltip);
    position: fixed;
    top: 70px;
    right: 20px;
    transform: translateX(10px);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 1;
    pointer-events: none;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    z-index: 1000;
    animation: slideInTooltip 8s ease 0.5s forwards;
}

.theme-toggle-container::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -8px;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-right-color: #667eea;
    opacity: 1;
    pointer-events: none;
    transition: all 0.4s ease;
    z-index: 999;
    animation: arrowSlide 8s ease 0.5s forwards;
}

@keyframes arrowSlide {
    0% {
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

@keyframes slideInTooltip {
    0% {
        opacity: 0;
        transform: translateX(20px);
    }
    20% {
        opacity: 1;
        transform: translateX(0);
    }
    80% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        transform: translateX(20px);
    }
}

.theme-toggle-container.hide-tooltip::after,
.theme-toggle-container.hide-tooltip::before {
    opacity: 0;
    transform: translateX(20px);
}

body.light-mode .theme-toggle-container::after {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

body.light-mode .theme-toggle-container::before {
    border-right-color: #667eea;
}

/* Mobile tooltip adjustments */
@media (max-width: 768px) {
    /* Hide pseudo tooltip on mobile; use explicit element instead */
    .theme-toggle-container::after,
    .theme-toggle-container::before {
        display: none !important;
    }
}

/* Explicit tooltip element (mobile) */
.toggle-tooltip {
    position: fixed;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 11px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35);
    z-index: 9999;
    white-space: nowrap;
    pointer-events: none;
    transition: opacity 0.3s ease;
    max-width: calc(100vw - 40px);
}
.toggle-tooltip::before {
    content: '';
    position: absolute;
    top: -7px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-width: 7px;
    border-style: solid;
    border-color: transparent transparent #667eea transparent;
}