:root {
    --primary: #38b2ac;
    /* Muted Matte Teal/Green */
    --primary-dim: rgba(56, 178, 172, 0.1);
    --primary-bright: #4fd1c5;
    --accent-green: #2c7a7b;
    /* Deep Matte Forest */
    --bg-dark: #0a0c10;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --gradient-bg: radial-gradient(circle at 50% -20%, #1a1f26 0%, #0a0c10 100%);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --nav-bg: rgba(10, 12, 16, 0.85);
}

.double-tone-text {
    background: linear-gradient(135deg, var(--primary) 20%, var(--accent-green) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary);
    /* Fallback */
    /* Removed drop-shadow for matte look */
}

/* Splash Screen & Eclipse Effect - Deep Mobile Optimization */
.eclipse-container {
    position: relative;
    width: clamp(180px, 70vw, 280px);
    /* Slightly smaller for mobile safety */
    height: clamp(180px, 70vw, 280px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.sun {
    position: absolute;
    width: 66%;
    height: 66%;
    background: #fff;
    border-radius: 50%;
    box-shadow:
        0 0 100px 40px #fff,
        0 0 180px 80px var(--primary),
        0 0 300px 150px rgba(0, 245, 212, 0.3),
        inset 0 0 80px rgba(0, 245, 212, 0.4);
    filter: blur(1px);
    z-index: 1;
}

.moon {
    position: absolute;
    width: 68%;
    height: 68%;
    background: #000;
    border-radius: 50%;
    z-index: 3;
    box-shadow: inset 0 0 30px rgba(0, 245, 212, 0.2);
}

.shining-ring {
    position: absolute;
    width: 73%;
    height: 73%;
    border-radius: 50%;
    background: transparent;
    box-shadow:
        0 0 60px 10px #fff,
        0 0 120px 30px var(--primary);
    z-index: 2;
    animation: intense-pulse 1.5s infinite alternate ease-in-out;
}

.splash-text {
    margin-top: 2rem;
    /* Reduced for mobile flow */
    font-family: var(--font-heading);
    font-size: clamp(1rem, 6vw, 1.6rem);
    /* Fluid text scaling */
    letter-spacing: 3px;
    /* Tighter letter spacing on phone */
    font-weight: 800;
    text-align: center;
    padding: 0 1.5rem;
}

/* Global Sections Optimization */
section {
    padding: clamp(3rem, 10vh, 10rem) 0;
    opacity: 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
    overflow: visible;
}

/* About Section Enhancement */
.about-grid {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.about-text-content {
    flex: 1;
    min-width: min(100%, 400px);
}

.about-text-content p {
    font-size: clamp(1rem, 3vw, 1.15rem);
    line-height: 1.8;
}

.about-stats-container {
    flex: 0 1 350px;
    display: grid;
    gap: 1.5rem;
    width: 100%;
}

.stat-item {
    padding: 1.5rem !important;
    border-color: rgba(0, 245, 212, 0.2) !important;
}

/* Responsive Layout Grids */
.responsive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 80vw, 350px), 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

/* Unified Mobile Optimization (Tablets & Phones) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .glass-card {
        padding: 1.5rem;
    }

    .container {
        padding: 0 1rem;
    }

    /* Navigation */
    nav {
        padding: 0.6rem 0;
    }

    .nav-content {
        padding: 0 1rem;
        gap: 0.5rem;
        justify-content: space-between;
    }

    .logo-container {
        gap: 0.5rem;
    }

    .nav-mini-profile {
        width: 30px;
        height: 30px;
    }

    .logo-text {
        font-size: 0.9rem;
        font-weight: 800;
    }

    .nav-links {
        display: none;
    }

    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.75rem;
    }

    /* Hero Section */
    .hero {
        padding-top: 4rem;
        text-align: center;
    }

    .hero-content h1 {
        font-size: clamp(2rem, 10vw, 3rem);
        line-height: 1.1;
        margin-bottom: 1.2rem;
    }

    .hero-content p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }

    .profile-container {
        width: 160px;
        height: 160px;
        margin-bottom: 1.5rem;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
        max-width: 250px;
        gap: 0.8rem !important;
        margin: 0 auto;
    }

    .hero-btns .btn {
        width: 100%;
    }

    /* About & Stats */
    .about-main-card {
        padding: 1.5rem 1rem !important;
    }

    .about-grid {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .about-stats-container {
        flex: 1 1 100%;
        gap: 1rem;
    }

    /* Footer */
    footer {
        padding: 2.5rem 1rem;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        align-items: center !important;
        gap: 2rem;
    }

    .footer-bottom-right {
        align-items: center !important;
    }

    .footer-copy {
        text-align: center;
        margin-top: 1rem;
    }

    .footer-detail-item {
        justify-content: center;
        font-size: 0.85rem;
    }
}

[data-theme="light"] {
    --bg-dark: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.85);
    --border-glass: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #475569;
    --gradient-bg: radial-gradient(circle at 50% -20%, #ffffff 0%, #e2e8f0 100%);
    --primary: #0284c7;
    --primary-dim: rgba(2, 132, 199, 0.08);
    --nav-bg: rgba(255, 255, 255, 0.9);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, transform 0.3s;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

body {
    background: var(--bg-dark);
    background-image: var(--gradient-bg);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
}

h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 800;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: 0.5s;
}

.glass-card:hover::before {
    left: 100%;
}

.glass-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 242, 255, 0.1);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    /* Compact, high-end spacing */
    opacity: 0;
}

#home {
    opacity: 1;
    /* Hero always visible fallback */
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    position: relative;
    overflow: visible;
}

.hero-content {
    position: relative;
    z-index: 5;
    transform-origin: top center;
}

.profile-container {
    width: 220px;
    height: 220px;
    position: relative;
    margin-bottom: 2rem;
    z-index: 10;
}

/* Navigation Enhancement */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    background: var(--nav-bg, rgba(10, 12, 16, 0.85));
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-main);
    /* Adaptable to theme */
}

.nav-mini-profile {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    overflow: hidden;
    border: 1.5px solid var(--border-glass);
    opacity: 0;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

.theme-toggle {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.1rem;
}

/* Redesigned Theme Toggle: Classic Icon Style */
.theme-toggle {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    /* Matching high-quality border */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.2rem;
}

.theme-toggle:hover {
    transform: rotate(15deg) scale(1.1);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-dim);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
    color: var(--primary);
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
    color: #f59e0b;
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.3s, opacity 0.2s;
    opacity: 0.8;
}

.nav-links a:hover {
    color: var(--primary);
    opacity: 1;
}

/* Hero Section Enhancement */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px;
}

.profile-container {
    width: 220px;
    height: 220px;
    position: relative;
    margin-bottom: 2rem;
}

.profile-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    padding: 8px;
    background: linear-gradient(135deg, var(--primary), transparent 60%);
    animation: rotate 10s linear infinite;
}

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

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

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid var(--bg-dark);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 12vw, 7rem);
    letter-spacing: -2px;
}

/* Background Glow Effects */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.8;
}

.glow-orb {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-dim) 0%, transparent 70%);
    filter: blur(100px);
    border-radius: 50%;
    mix-blend-mode: screen;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--primary);
    font-weight: 400;
    margin-bottom: 2rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    text-align: center;
    padding: 1.5rem;
}

.skill-item img {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(0, 242, 255, 0.3));
}

footer {
    padding: 3rem 0;
    /* Reduced from 8rem for a compact look */
    background: var(--bg-card);
    margin-top: 3rem;
    /* Reduced from 4rem */
    border-top: 1px solid var(--border-glass);
}

[data-theme="light"] footer {
    background: #e2e8f0;
    border-top-color: rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 4rem;
    text-align: left;
}

.footer-details {
    display: grid;
    gap: 1rem;
    font-size: 0.95rem;
}

.footer-detail-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-main);
}

.footer-detail-item span {
    color: var(--primary);
    font-weight: 800;
}

.footer-detail-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-detail-item a:hover {
    color: var(--primary);
}

.footer-bottom-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}

.footer-social {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.footer-copy {
    opacity: 0.5;
    font-size: 0.8rem;
    text-align: right;
}

/* Timeline/Experience */
.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 1px solid var(--border-glass);
}

.experience-item {
    position: relative;
    margin-bottom: 3rem;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
}

.experience-date {
    color: var(--primary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary);
    color: black;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--primary);
}

/* Splash Screen & Eclipse Effect */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 1s ease-in-out, visibility 1s;
}

.eclipse-container {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.sun {
    position: absolute;
    width: 200px;
    height: 200px;
    background: #fff;
    border-radius: 50%;
    box-shadow:
        0 0 100px 40px #fff,
        0 0 180px 80px var(--primary),
        0 0 300px 150px rgba(0, 242, 255, 0.4),
        inset 0 0 80px rgba(0, 242, 255, 0.6);
    filter: blur(1px);
    z-index: 1;
}

.moon {
    position: absolute;
    width: 202px;
    height: 202px;
    background: #000;
    border-radius: 50%;
    z-index: 3;
    box-shadow: inset 0 0 30px rgba(0, 242, 255, 0.2);
}

.shining-ring {
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: transparent;
    box-shadow:
        0 0 60px 10px #fff,
        0 0 120px 30px var(--primary);
    z-index: 2;
    animation: intense-pulse 1.5s infinite alternate ease-in-out;
}

@keyframes intense-pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
        filter: contrast(1.2);
    }

    100% {
        transform: scale(1.1);
        opacity: 1;
        filter: contrast(1.5) blur(3px);
    }
}

.splash-text {
    margin-top: 3rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 5px;
    color: #fff;
    opacity: 0.7;
    animation: fade-text 2s infinite alternate;
}

@keyframes fade-text {
    from {
        opacity: 0.3;
    }

    to {
        opacity: 0.8;
    }
}

/* Hidden state for main content */
.main-wrapper {
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.5s ease-in-out;
}

.main-wrapper.visible {
    opacity: 1;
    visibility: visible;
}

/* Responsiveness */
@media (max-width: 768px) {
    section {
        padding: 4rem 0;
    }

    .nav-links {
        display: none;
    }
}