/* 
 * Revamped Portfolio Stylesheet (style2.css)
 * Next-Generation Glassmorphism & High-Contrast Design System
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* Color System - Dark Mode Default */
    --bg-color: #090d16;
    --bg-secondary: #0f172a;
    --surface-color: rgba(15, 23, 42, 0.65);
    --surface-card: rgba(30, 41, 59, 0.5);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(56, 189, 248, 0.4);
    
    /* Brand Accents */
    --primary-color: #06b6d4;      /* Glowing Cyan */
    --primary-hover: #0891b2;
    --accent-purple: #8b5cf6;      /* Electric Violet */
    --accent-rose: #ff385c;        /* Airbnb Signature Rose */
    --accent-emerald: #10b981;     /* Verified Green */
    --gradient-brand: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 50%, #ff385c 100%);
    --gradient-text: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
    --gradient-card-glow: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Shadows & Elevation */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 35px rgba(6, 182, 212, 0.25);
    --shadow-glow-purple: 0 0 35px rgba(139, 92, 246, 0.25);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-pill: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

    --section-padding: 100px 24px;
    --container-max: 1240px;
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --bg-secondary: #f1f5f9;
    --surface-color: rgba(255, 255, 255, 0.85);
    --surface-card: rgba(255, 255, 255, 0.9);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(6, 182, 212, 0.5);
    --gradient-text: linear-gradient(135deg, #0284c7 0%, #4f46e5 50%, #9333ea 100%);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

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

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: orbFloat 20s infinite alternate ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: #06b6d4;
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: #8b5cf6;
    top: 40%;
    right: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: #ff385c;
    bottom: -100px;
    left: 20%;
    animation-delay: -12s;
}

@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, 40px) scale(1.1); }
    100% { transform: translate(-40px, 80px) scale(0.95); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px auto;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(6, 182, 212, 0.2);
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--surface-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

/* Header & Navbar */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: min(calc(100% - 32px), var(--container-max));
    z-index: 100;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    background: var(--surface-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gradient-brand);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Switch Toggle */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.45);
}

.btn-secondary {
    background: var(--surface-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px;
    padding-bottom: 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 64px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--accent-emerald);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: clamp(2.8rem, 5.5vw, 4.2rem);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

/* Impact Counter Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 800;
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Avatar Frame & Floating Badges */
.hero-avatar-container {
    position: relative;
    display: flex;
    justify-content: center;
}

.avatar-wrapper {
    position: relative;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    padding: 8px;
    background: var(--gradient-brand);
    box-shadow: var(--shadow-glow-purple);
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bg-secondary);
}

.floating-badge {
    position: absolute;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: var(--surface-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: floatBadge 4s infinite ease-in-out alternate;
}

.badge-1 { top: 10%; left: -20px; animation-delay: 0s; }
.badge-2 { bottom: 15%; left: -30px; animation-delay: -1.5s; }
.badge-3 { top: 30%; right: -25px; animation-delay: -3s; }

@keyframes floatBadge {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-12px); }
}

/* Tech Ecosystem Section */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.tech-card {
    padding: 28px;
}

.tech-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Projects Section & Filter Tabs */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    background: var(--surface-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
    gap: 32px;
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.project-media-container {
    width: 100%;
    position: relative;
    padding-top: 56.25%; /* 16:9 */
    overflow: hidden;
}

.carousel {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
}

.carousel-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform var(--transition-normal);
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
}

.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.7);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    z-index: 10;
}

.carousel-nav-btn:hover { background: rgba(6, 182, 212, 0.9); }
.carousel-nav-btn.prev { left: 12px; }
.carousel-nav-btn.next { right: 12px; }

.carousel-indicators-bar {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.indicator-dot.active {
    width: 20px;
    border-radius: 4px;
    background: var(--primary-color);
}

.project-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-category-tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.project-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex: 1;
}

.project-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.project-pill {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.project-links-row {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Certificates Grid */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.certificate-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.cert-image-frame {
    position: relative;
    padding-top: 68%;
    overflow: hidden;
    cursor: zoom-in;
}

.cert-img {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.cert-badge-verified {
    position: absolute;
    top: 14px; right: 14px;
    background: rgba(16, 185, 129, 0.9);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    backdrop-filter: blur(4px);
}

.cert-info {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.cert-issuer {
    font-size: 0.8rem;
    color: var(--accent-purple);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.cert-title {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.testimonial-card {
    padding: 32px;
}

.stars-row {
    color: #f59e0b;
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-quote {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.client-profile {
    display: flex;
    align-items: center;
    gap: 16px;
}

.client-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

/* Contact Hub */
.contact-card-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 56px 40px;
    text-align: center;
}

.social-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 36px 0;
    flex-wrap: wrap;
}

.social-btn {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--surface-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

/* Copy Email Tooltip */
.copy-email-container {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.copy-email-container:hover {
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    padding: 40px 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(9, 13, 22, 0.95);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.lightbox-modal.show {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    object-fit: contain;
}

.lightbox-close-btn {
    position: absolute;
    top: 24px; right: 32px;
    font-size: 2.5rem;
    color: white;
    cursor: pointer;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-description { margin: 0 auto 36px auto; }
    .hero-cta { justify-content: center; }
    .stats-row { justify-content: center; }
    .nav-links { display: none; } /* Mobile drawer handles navigation */
}