/* ===== Google Fonts imported in HTML ===== */

/* ===== SKELETON LOADING SCREEN ===== */
.skeleton-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg, #0f0f23);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.skeleton-overlay.fade-out {
    opacity: 0;
    visibility: hidden;
}

.skeleton-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    padding: 2rem;
}

.skeleton-avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(108, 99, 255, 0.12);
}

.skeleton-heading {
    width: 380px;
    height: 40px;
    border-radius: 8px;
    background: rgba(108, 99, 255, 0.12);
}

.skeleton-text {
    width: 500px;
    height: 18px;
    border-radius: 6px;
    background: rgba(108, 99, 255, 0.12);
}

.skeleton-text-short {
    width: 340px;
    height: 18px;
    border-radius: 6px;
    background: rgba(108, 99, 255, 0.12);
}

.skeleton-btn {
    width: 240px;
    height: 50px;
    border-radius: 30px;
    background: rgba(108, 99, 255, 0.12);
    margin-top: 0.5rem;
}

/* Shimmer pulse animation */
@keyframes skeletonPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.skeleton-pulse {
    animation: skeletonPulse 1.4s ease-in-out infinite;
}

/* Hide hero content during loading, then merge in */
body.is-loading .hero-content {
    visibility: hidden;
}

.hero-merge-item {
    opacity: 0;
    transform: scale(0.85) translateY(20px);
    filter: blur(6px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                filter 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transition-delay: var(--merge-delay, 0s);
}

body.content-loaded .hero-content {
    visibility: visible;
}

body.content-loaded .hero-merge-item {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
}

/* Responsive skeleton */
@media (max-width: 600px) {
    .skeleton-heading { width: 260px; height: 32px; }
    .skeleton-text { width: 300px; }
    .skeleton-text-short { width: 220px; }
    .skeleton-btn { width: 200px; height: 44px; }
    .skeleton-avatar { width: 140px; height: 140px; }
}

:root {
    --primary: #6C63FF;
    --primary-dark: #5A52D5;
    --primary-light: #a29bfe;
    --secondary: #2d3436;
    --accent: #00cec9;
    --text: #2d3436;
    --text-light: #636e72;
    --bg: #ffffff;
    --bg-light: #f8f9ff;
    --bg-dark: #0c0c1d;
    --card-bg: #ffffff;
    --glass: rgba(255, 255, 255, 0.15);
    --shadow-sm: 0 2px 10px rgba(108, 99, 255, 0.08);
    --shadow-md: 0 8px 30px rgba(108, 99, 255, 0.12);
    --shadow-lg: 0 20px 60px rgba(108, 99, 255, 0.15);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --nav-bg: rgba(255, 255, 255, 0.85);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.95);
    --border-color: rgba(108, 99, 255, 0.08);
    --hero-gradient: linear-gradient(135deg, #f8f9ff 0%, #e8e6ff 30%, #dfe6ff 60%, #e0f7fa 100%);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
    --secondary: #f0f0f0;
    --text: #e0e0e0;
    --text-light: #a0a0a0;
    --bg: #0f0f23;
    --bg-light: #1a1a35;
    --bg-dark: #0a0a18;
    --card-bg: #1c1c3a;
    --glass: rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --nav-bg: rgba(15, 15, 35, 0.9);
    --nav-bg-scrolled: rgba(15, 15, 35, 0.97);
    --border-color: rgba(108, 99, 255, 0.15);
    --hero-gradient: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 30%, #151530 60%, #0d1f2d 100%);
}

[data-theme="dark"] body {
    background: var(--bg);
}

[data-theme="dark"] .section-border::before {
    box-shadow: 0 0 15px rgba(108, 99, 255, 0.3);
}

[data-theme="dark"] .skill-card {
    border-color: rgba(108, 99, 255, 0.12);
}

[data-theme="dark"] .project-card {
    border-color: rgba(108, 99, 255, 0.12);
}

[data-theme="dark"] .award-item {
    border-color: rgba(108, 99, 255, 0.12);
}

[data-theme="dark"] .section-divider svg path {
    fill: var(--bg);
}

[data-theme="dark"] .float-icon {
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--bg);
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.animate-on-scroll.animate-fade-left {
    transform: translateX(-60px);
}

.animate-on-scroll.animate-fade-right {
    transform: translateX(60px);
}

.animate-on-scroll.animate-scale {
    transform: scale(0.85);
}

.animate-on-scroll.animate-rotate {
    transform: rotate(-5deg) scale(0.9);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1) rotate(0deg);
}

/* Staggered delays for children */
.stagger-children .animate-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.stagger-children .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .animate-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.stagger-children .animate-on-scroll:nth-child(4) { transition-delay: 0.2s; }
.stagger-children .animate-on-scroll:nth-child(5) { transition-delay: 0.25s; }
.stagger-children .animate-on-scroll:nth-child(6) { transition-delay: 0.3s; }
.stagger-children .animate-on-scroll:nth-child(7) { transition-delay: 0.35s; }
.stagger-children .animate-on-scroll:nth-child(8) { transition-delay: 0.4s; }
.stagger-children .animate-on-scroll:nth-child(9) { transition-delay: 0.45s; }

/* ===== NAVBAR ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.7rem 5%;
    box-shadow: var(--shadow-sm);
    background: var(--nav-bg-scrolled);
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links li {
    margin-left: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(108, 99, 255, 0.08);
}

/* Nav right group: toggle + hamburger */
.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    overflow: hidden;
}

.theme-toggle:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(108, 99, 255, 0.2);
    transform: rotate(15deg);
}

.theme-toggle .fa-moon {
    color: var(--primary);
    font-size: 1.1rem;
    transition: var(--transition);
    position: absolute;
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .fa-sun {
    color: #FDB813;
    font-size: 1.2rem;
    transition: var(--transition);
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.4rem;
    color: var(--text);
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.hamburger:hover {
    background: rgba(108, 99, 255, 0.08);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
    background: var(--hero-gradient);
}

/* Animated background icons container */
.hero-bg-shapes {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-bg-shapes .float-icon {
    pointer-events: auto;
}

/* ===== FLOATING TECH ICONS (shared by hero + sections) ===== */
.float-icon {
    position: absolute;
    font-size: 2.6rem;
    opacity: 0;
    animation: iconFadeIn 1s ease-out forwards, iconDrift var(--drift-dur, 16s) ease-in-out infinite;
    pointer-events: auto;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.08));
    will-change: transform;
    cursor: default;
    z-index: 1;
}

/* Tooltip on hover */
.float-icon[data-tooltip] {
    position: absolute;
}

.float-icon[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) scale(0.85);
    background: var(--card-bg);
    color: var(--text);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 100;
}

.float-icon[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.float-icon[data-tooltip]:hover {
    opacity: 0.9 !important;
    animation-play-state: paused;
    filter: drop-shadow(0 4px 12px rgba(108, 99, 255, 0.3));
}

/* Brighter in white/light sections */
.hero .float-icon,
.section:not(.bg-light) .float-icon {
    opacity: 0;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.06));
}

/* Even brighter for light backgrounds */
.bg-light .float-icon {
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.05));
}

@keyframes iconFadeIn {
    to { opacity: 0.25; }
}

/* Brighter targets for hero */
.hero .float-icon {
    animation: iconFadeInBright 1s ease-out forwards, iconDrift1 var(--drift-dur, 16s) ease-in-out infinite;
}

@keyframes iconFadeInBright {
    to { opacity: 0.35; }
}

/* Hero icons start hidden and no CSS animation until JS fly-in completes */
.hero .float-icon.fly-left,
.hero .float-icon.fly-right {
    opacity: 0;
    animation: none !important;
}

/* Each icon gets a unique drift path via nth-child */
.hero-bg-shapes .float-icon:nth-child(1) { --drift-dur: 18s; animation-name: iconFadeInBright, iconDrift1; }
.hero-bg-shapes .float-icon:nth-child(2) { --drift-dur: 15s; animation-name: iconFadeInBright, iconDrift2; }
.hero-bg-shapes .float-icon:nth-child(3) { --drift-dur: 20s; animation-name: iconFadeInBright, iconDrift3; }
.hero-bg-shapes .float-icon:nth-child(4) { --drift-dur: 14s; animation-name: iconFadeInBright, iconDrift4; }
.hero-bg-shapes .float-icon:nth-child(5) { --drift-dur: 17s; animation-name: iconFadeInBright, iconDrift5; }
.hero-bg-shapes .float-icon:nth-child(6) { --drift-dur: 13s; animation-name: iconFadeInBright, iconDrift6; }
.hero-bg-shapes .float-icon:nth-child(7) { --drift-dur: 19s; animation-name: iconFadeInBright, iconDrift1; }
.hero-bg-shapes .float-icon:nth-child(8) { --drift-dur: 16s; animation-name: iconFadeInBright, iconDrift3; }
.hero-bg-shapes .float-icon:nth-child(9) { --drift-dur: 22s; animation-name: iconFadeInBright, iconDrift5; }
.hero-bg-shapes .float-icon:nth-child(10) { --drift-dur: 12s; animation-name: iconFadeInBright, iconDrift2; }

/* Section icons: simple fade + drift */
.section-bg-shapes .float-icon:nth-child(1) { --drift-dur: 18s; animation-name: iconFadeInBright, iconDrift1; }
.section-bg-shapes .float-icon:nth-child(2) { --drift-dur: 15s; animation-name: iconFadeInBright, iconDrift2; }
.section-bg-shapes .float-icon:nth-child(3) { --drift-dur: 20s; animation-name: iconFadeInBright, iconDrift3; }
.section-bg-shapes .float-icon:nth-child(4) { --drift-dur: 14s; animation-name: iconFadeInBright, iconDrift4; }
.section-bg-shapes .float-icon:nth-child(5) { --drift-dur: 17s; animation-name: iconFadeInBright, iconDrift5; }
.section-bg-shapes .float-icon:nth-child(6) { --drift-dur: 13s; animation-name: iconFadeInBright, iconDrift6; }

/* Drift keyframes - gentle floating paths */
@keyframes iconDrift1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(18px, -22px) rotate(8deg); }
    50% { transform: translate(-12px, -40px) rotate(-5deg); }
    75% { transform: translate(22px, -15px) rotate(10deg); }
}

@keyframes iconDrift2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-20px, -15px) rotate(-10deg); }
    50% { transform: translate(14px, -32px) rotate(6deg); }
    75% { transform: translate(-8px, 12px) rotate(-8deg); }
}

@keyframes iconDrift3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(28px, 16px) rotate(12deg); }
    66% { transform: translate(-16px, -24px) rotate(-6deg); }
}

@keyframes iconDrift4 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(12px, 20px) rotate(-8deg); }
    50% { transform: translate(25px, -8px) rotate(5deg); }
    75% { transform: translate(-8px, 16px) rotate(-12deg); }
}

@keyframes iconDrift5 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-18px, 22px) rotate(10deg); }
    66% { transform: translate(12px, -18px) rotate(-7deg); }
}

@keyframes iconDrift6 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(15px, -12px) rotate(-6deg); }
    50% { transform: translate(-10px, 18px) rotate(8deg); }
    75% { transform: translate(20px, 8px) rotate(-10deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-content img {
    animation: heroImg 1s ease-out;
}

@keyframes heroImg {
    from { opacity: 0; transform: scale(0.5) rotate(-10deg); }
    to { opacity: 1; transform: scale(1) rotate(0deg); }
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--secondary);
    letter-spacing: -1px;
    line-height: 1.2;
    animation: slideUp 0.8s ease-out 0.2s both;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    color: var(--text-light);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 0.8s ease-out 0.4s both;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2.4rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.8s ease-out 0.6s both;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.4);
}

.btn:hover::before {
    left: 100%;
}

/* ===== SECTIONS GENERAL ===== */
.section {
    padding: 6rem 10%;
    position: relative;
    overflow: hidden;
}

/* ===== SECTION DIVIDERS ===== */
.section-divider {
    position: relative;
    width: 100%;
    height: 60px;
    overflow: hidden;
    line-height: 0;
    margin-top: -1px;
}

.section-divider svg {
    width: 100%;
    height: 100%;
}

.section-divider.flip {
    transform: scaleY(-1);
    margin-top: 0;
    margin-bottom: -1px;
}

/* ===== PROFILE PICTURE LINK ===== */
.profile-link {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.profile-pic {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    box-shadow: 0 8px 30px rgba(108,99,255,0.25);
    transition: var(--transition);
}

.profile-link:hover .profile-pic {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(108,99,255,0.4);
}

.profile-link::after {
    content: 'Come Visit me on LinkedIn!';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--card-bg);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 10;
    letter-spacing: 0.3px;
}

.profile-link:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== SECTION BORDER DIVIDER ===== */
.section-border {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(108, 99, 255, 0.2), rgba(0, 206, 201, 0.2), rgba(108, 99, 255, 0.2), transparent);
    position: relative;
}

.section-border::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 7px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 4px;
}

/* ===== SECTION BACKGROUND ICONS ===== */
.section-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.section-bg-shapes .float-icon {
    pointer-events: auto;
}

/* Section-level floating icons inherit from .float-icon */
.section-bg-shapes .float-icon {
    font-size: 2.2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    margin: 0.8rem auto 0;
    border-radius: 2px;
}

.bg-light {
    background-color: var(--bg-light);
}

/* ===== SKILLS ===== */
.skills-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.skill-card {
    background: var(--card-bg);
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    width: 140px;
    transition: var(--transition);
    border: 1px solid rgba(108, 99, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-card i {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

.skill-card:hover i {
    transform: scale(1.15);
}

.skill-card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}

.skill-desc {
    font-size: 0.72rem;
    color: var(--text-light);
    margin-top: 0.4rem;
    line-height: 1.4;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, max-height 0.3s ease, margin-top 0.3s ease;
    margin-top: 0;
}

.skill-card:hover .skill-desc {
    opacity: 1;
    max-height: 3rem;
    margin-top: 0.4rem;
}

/* ===== RGB GLOW ANIMATION ===== */
@keyframes rgbGlow {
    0%   { box-shadow: 0 0 12px rgba(255, 0, 0, 0.45), 0 0 24px rgba(255, 0, 0, 0.2); }
    16%  { box-shadow: 0 0 12px rgba(255, 165, 0, 0.45), 0 0 24px rgba(255, 165, 0, 0.2); }
    33%  { box-shadow: 0 0 12px rgba(255, 255, 0, 0.45), 0 0 24px rgba(255, 255, 0, 0.2); }
    50%  { box-shadow: 0 0 12px rgba(0, 255, 0, 0.45), 0 0 24px rgba(0, 255, 0, 0.2); }
    66%  { box-shadow: 0 0 12px rgba(0, 100, 255, 0.45), 0 0 24px rgba(0, 100, 255, 0.2); }
    83%  { box-shadow: 0 0 12px rgba(140, 0, 255, 0.45), 0 0 24px rgba(140, 0, 255, 0.2); }
    100% { box-shadow: 0 0 12px rgba(255, 0, 0, 0.45), 0 0 24px rgba(255, 0, 0, 0.2); }
}

@keyframes rgbBorder {
    0%   { border-color: rgba(255, 0, 0, 0.5); }
    16%  { border-color: rgba(255, 165, 0, 0.5); }
    33%  { border-color: rgba(255, 255, 0, 0.5); }
    50%  { border-color: rgba(0, 255, 0, 0.5); }
    66%  { border-color: rgba(0, 100, 255, 0.5); }
    83%  { border-color: rgba(140, 0, 255, 0.5); }
    100% { border-color: rgba(255, 0, 0, 0.5); }
}

.skill-card.rgb-glow {
    animation: rgbGlow 6s linear infinite, rgbBorder 6s linear infinite;
}

.skill-card.rgb-glow:nth-child(1) { animation-delay: 0s; }
.skill-card.rgb-glow:nth-child(2) { animation-delay: -0.67s; }
.skill-card.rgb-glow:nth-child(3) { animation-delay: -1.33s; }
.skill-card.rgb-glow:nth-child(4) { animation-delay: -2s; }
.skill-card.rgb-glow:nth-child(5) { animation-delay: -2.67s; }
.skill-card.rgb-glow:nth-child(6) { animation-delay: -3.33s; }
.skill-card.rgb-glow:nth-child(7) { animation-delay: -4s; }
.skill-card.rgb-glow:nth-child(8) { animation-delay: -4.67s; }
.skill-card.rgb-glow:nth-child(9) { animation-delay: -5.33s; }

/* RGB glow for award items */
.award-item.rgb-glow {
    animation: rgbGlow 6s linear infinite, rgbBorder 6s linear infinite;
}

.awards-list .award-link:nth-child(1) .award-item.rgb-glow { animation-delay: 0s; }
.awards-list .award-link:nth-child(2) .award-item.rgb-glow { animation-delay: -3s; }

/* RGB glow for project cards */
.project-card.rgb-glow {
    animation: rgbGlow 6s linear infinite, rgbBorder 6s linear infinite;
}

.projects-grid .project-card.rgb-glow:nth-child(1) { animation-delay: 0s; }
.projects-grid .project-card.rgb-glow:nth-child(2) { animation-delay: -3s; }

/* ===== AWARD LINK ===== */
.award-link {
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
}

.award-link::after {
    content: 'CHECK ME OUT!';
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%) translateX(6px);
    background: var(--card-bg);
    color: var(--primary);
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 10;
    letter-spacing: 0.5px;
}

.award-link:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.award-link:hover .award-item {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
}

/* ===== CERT BADGE ===== */
.cert-badge {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.cert-badge a {
    position: relative;
    display: inline-block;
}

.cert-badge a::after {
    content: 'AM I LEGIT??';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--card-bg);
    color: var(--primary);
    padding: 5px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 10;
    letter-spacing: 0.5px;
}

.cert-badge a:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.cert-badge img {
    transition: var(--transition);
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.cert-badge img:hover {
    transform: scale(1.05);
}

/* ===== PROJECTS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(108, 99, 255, 0.06);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image img {
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.08);
}

.project-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, var(--card-bg), transparent);
}

.placeholder-img {
    height: 200px;
    background-color: var(--bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-light);
    font-size: 1.2rem;
}

.project-info {
    padding: 1.8rem;
}

.project-info h3 {
    margin-bottom: 0.6rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary);
}

.project-info p {
    margin-bottom: 1.2rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.btn-small {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(108, 99, 255, 0.2);
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.35);
}

/* ===== AWARDS ===== */
.awards-list {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.award-item {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    padding: 1.8rem 2rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border-left: 5px solid var(--primary);
    transition: var(--transition);
    border: 1px solid rgba(108, 99, 255, 0.06);
    border-left: 5px solid var(--primary);
}

.award-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.award-item i {
    font-size: 2.2rem;
    color: var(--primary);
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.award-details h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.3rem;
}

.award-details p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

footer p {
    font-size: 0.9rem;
    opacity: 0.7;
}

.social-links {
    margin-top: 1.2rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    color: #fff;
    font-size: 1.2rem;
    margin: 0 0.4rem;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

/* ===== SCROLL-TO-TOP BUTTON ===== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.5);
}

/* ===== PROJECT DETAIL PAGES ===== */
.project-detail-hero {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8e6ff 30%, #dfe6ff 60%, #e0f7fa 100%);
    padding: 6rem 10% 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.project-detail-hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.1) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.project-detail-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.project-detail-hero .project-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.project-detail-hero .back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    transition: var(--transition);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    background: rgba(108, 99, 255, 0.08);
}

.project-detail-hero .back-link:hover {
    background: rgba(108, 99, 255, 0.15);
    transform: translateX(-4px);
}

.project-hero-image {
    max-width: 500px;
    margin: 0 auto;
}

.project-hero-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.project-hero-image img:hover {
    transform: scale(1.02);
}

/* Project Details Container */
.project-details-container {
    max-width: 850px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Project Content Sections */
.project-content {
    padding: 1rem 0;
}

.project-content-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem 2.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(108, 99, 255, 0.06);
    transition: var(--transition);
}

.project-content-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.project-content h2,
.project-content-section h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
    margin-top: 0;
    position: relative;
    padding-left: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.project-content h2::before,
.project-content-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.project-content h2 i,
.project-content-section h2 i {
    color: var(--primary);
    font-size: 1.1rem;
}

.project-content p,
.project-content-section p {
    color: var(--text-light);
    line-height: 1.85;
    font-size: 0.98rem;
}

.project-content li,
.project-content-section li {
    color: var(--text-light);
    line-height: 2;
    font-size: 0.98rem;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tech-tag {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.08), rgba(0, 206, 201, 0.08));
    color: var(--primary);
    padding: 0.5rem 1.1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.88rem;
    border: 1px solid rgba(108, 99, 255, 0.12);
    transition: var(--transition);
}

.tech-tag:hover {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(0, 206, 201, 0.15));
    transform: translateY(-2px);
}

/* Feature List */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.8rem 0 0.8rem 2.2rem;
    position: relative;
    border-bottom: 1px solid rgba(108, 99, 255, 0.05);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0.9rem;
    color: var(--accent);
    font-size: 0.85rem;
    background: rgba(0, 206, 201, 0.1);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Contribution / Learning List */
.contribution-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.8rem;
}

.contribution-list li {
    padding: 1rem 1.2rem 1rem 3rem;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    position: relative;
    border-left: 3px solid var(--primary);
    transition: var(--transition);
}

.contribution-list li:hover {
    background: rgba(108, 99, 255, 0.05);
    transform: translateX(4px);
}

.contribution-list li::before {
    content: '\f0e7';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 0.9rem;
}

/* System Diagram */
.system-diagram {
    border: 1px solid rgba(108, 99, 255, 0.1) !important;
    background: var(--bg-light) !important;
    border-radius: var(--radius) !important;
    padding: 2rem !important;
    text-align: center;
    transition: var(--transition);
}

.system-diagram img {
    border-radius: var(--radius-sm);
    max-width: 100%;
}

.system-diagram:hover {
    box-shadow: var(--shadow-sm);
}

/* Project page footer extra spacing */
.project-content-section:last-child {
    margin-bottom: 0;
}

/* Responsive for project pages */
@media (max-width: 768px) {
    .project-detail-hero {
        padding: 4rem 6% 2rem;
    }

    .project-detail-hero h1 {
        font-size: 2rem;
    }

    .project-content-section {
        padding: 1.5rem;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        position: absolute;
        top: 65px;
        left: 0;
        background: var(--nav-bg-scrolled);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 1.5rem 0;
        box-shadow: var(--shadow-md);
        border-radius: 0 0 var(--radius) var(--radius);
        gap: 0;
        transform: none;
    }
    
    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.3rem 1rem;
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 4rem 6%;
    }

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

    .skill-card {
        width: 110px;
        padding: 1.5rem 1rem;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .section {
        padding: 3rem 5%;
    }
}