/* ========================
   CSS VARIABLES & RESET
   ======================== */
:root {
    --primary: #6c2bd9;
    --primary-dark: #4a1a9e;
    --secondary: #00d4ff;
    --accent: #ff00e5;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-solid: rgba(10, 10, 15, 0.6);
    --text-primary: #ffffff;
    --text-secondary: #b0b0c8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --neon-glow: 0 0 20px rgba(108, 43, 217, 0.3);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'Inter', sans-serif;
}

/* ========================
   LIGHT THEME
   ======================== */
body[data-theme="light"] {
    --bg-dark: #f4f5fa;
    --bg-card: rgba(20, 20, 40, 0.04);
    --bg-card-solid: rgba(255, 255, 255, 0.75);
    --text-primary: #12121a;
    --text-secondary: #4d4d63;
    --glass-border: rgba(20, 20, 40, 0.1);
    --glass-shadow: 0 8px 32px rgba(20, 20, 60, 0.12);
    --neon-glow: 0 0 20px rgba(108, 43, 217, 0.18);
}

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

body[data-theme="light"] .navbar {
    background: rgba(244, 245, 250, 0.8);
}

body[data-theme="light"] .navbar.scrolled {
    background: rgba(244, 245, 250, 0.95);
}

body[data-theme="light"] .nav-menu {
    background: rgba(244, 245, 250, 0.98) !important;
}

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

body[data-theme="light"] .form-group label {
    background: var(--bg-dark);
}

body[data-theme="light"] .pdf-modal {
    background: rgba(20, 20, 40, 0.5);
}

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

html {
    scroll-behavior: smooth;
    cursor: none;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background 0.5s ease, color 0.5s ease;
}

::selection {
    background: var(--primary);
    color: white;
}

@media (max-width: 768px) {
    html, body {
        cursor: auto;
    }
}

/* ========================
   SCROLLBAR STYLING
   ======================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent), var(--primary));
}

/* ========================
   PRELOADER
   ======================== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-ring {
    width: 80px;
    height: 80px;
    border: 4px solid transparent;
    border-top-color: var(--secondary);
    border-right-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.loader-ring::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 4px solid transparent;
    border-bottom-color: var(--accent);
    border-left-color: var(--secondary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite reverse;
}

.loader-text {
    margin-top: 30px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200%;
    animation: shimmer 2s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* ========================
   CUSTOM CURSOR
   ======================== */
.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    will-change: transform;
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s;
    will-change: transform;
}

.cursor-dot.hover {
    width: 16px;
    height: 16px;
    background: var(--accent);
}

.cursor-outline.hover {
    width: 60px;
    height: 60px;
    border-color: rgba(255, 0, 229, 0.5);
}

.cursor-dot.click {
    width: 6px;
    height: 6px;
}

.cursor-outline.click {
    width: 32px;
    height: 32px;
}

@media (max-width: 768px), (hover: none) and (pointer: coarse) {
    .cursor-dot, .cursor-outline {
        display: none;
    }
    html, body {
        cursor: auto;
    }
}

/* ========================
   NAVIGATION
   ======================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition), background 0.5s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 30px);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: clamp(1.3rem, 4vw, 1.8rem);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.logo-neon {
    color: var(--secondary);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.logo-text {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: clamp(16px, 2.5vw, 35px);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 5px 0;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transition: width 0.3s ease;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.theme-toggle,
.nav-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.theme-toggle:hover,
.nav-toggle:hover {
    background: rgba(128, 128, 160, 0.1);
    transform: rotate(30deg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(75%, 320px);
        height: 100vh;
        height: 100dvh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 50px clamp(30px, 8vw, 50px);
        gap: 28px;
        transition: right 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.3rem;
    }
}

@media (max-width: 380px) {
    .nav-logo .logo-text {
        display: none;
    }
}

/* ========================
   GLASSMORPHISM CARDS
   ======================== */
.glass-card {
    background: var(--bg-card-solid);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition), background 0.5s ease, border-color 0.5s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--neon-glow), var(--glass-shadow);
}

@media (hover: none) {
    .glass-card:hover {
        transform: none;
    }
}

/* ========================
   BUTTONS
   ======================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(108, 43, 217, 0.4);
}

.btn-primary span,
.btn-primary i {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-secondary:hover {
    background: rgba(128, 128, 160, 0.08);
    border-color: var(--secondary);
    transform: translateY(-3px);
}

.neon-btn {
    position: relative;
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(108, 43, 217, 0.3); }
    50% { box-shadow: 0 0 40px rgba(108, 43, 217, 0.6), 0 0 60px rgba(0, 212, 255, 0.2); }
}

.full-width {
    width: 100%;
    justify-content: center;
}

/* ========================
   HERO SECTION
   ======================== */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 20px 80px;
    overflow: hidden;
}

#particles-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
}

#particles-canvas canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 22px;
    background: rgba(128, 128, 160, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 26px;
    backdrop-filter: blur(10px);
    max-width: 100%;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.2rem, 9vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    word-break: break-word;
}

.hero-title .line-1,
.hero-title .line-2 {
    display: block;
    white-space: normal;
}

.text-gradient {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200%;
    animation: gradientMove 3s ease-in-out infinite;
    display: inline-block;
}

.text-gradient-secondary {
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200%;
    animation: gradientMove 3s ease-in-out infinite reverse;
    display: inline-block;
}

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

.hero-subtitle {
    font-size: clamp(0.95rem, 2.2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 10px;
}

.hero-cta {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 55px;
}

.hero-stats {
    display: flex;
    gap: clamp(20px, 6vw, 50px);
    justify-content: center;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 70px;
}

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(1.6rem, 5vw, 2.5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* ========================
   SCROLL INDICATOR - FIXED WITH SAFE BOTTOM SPACING
   ======================== */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 2;
    pointer-events: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

/* Hide scroll indicator when user scrolls down */
@media (hover: hover) {
    .scroll-indicator {
        opacity: 1;
    }
    
    .scroll-indicator.fade-out {
        opacity: 0;
        visibility: hidden;
    }
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--secondary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
    50% { transform: scaleY(1); opacity: 1; }
}

/* Ensure certificates section has proper spacing */
#certificates {
    scroll-margin-top: 80px;
    padding-top: clamp(80px, 12vw, 120px);
}

/* Fix for desktop: ensure hero bottom padding is sufficient */
@media (min-width: 1024px) {
    .hero {
        padding-bottom: 100px;
    }
    
    .scroll-indicator {
        bottom: 40px;
    }
}

@media (max-width: 1023px) and (min-width: 768px) {
    .hero {
        padding-bottom: 90px;
    }
    
    .scroll-indicator {
        bottom: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 70px;
    }
    .scroll-indicator {
        bottom: 16px;
    }
    .scroll-indicator span {
        font-size: 0.65rem;
    }
    .scroll-line {
        height: 30px;
    }
}

/* ========================
   SECTION COMMON
   ======================== */
section {
    padding: clamp(60px, 10vw, 100px) 0;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 30px);
}

.section-header {
    margin-bottom: clamp(35px, 6vw, 60px);
}

.section-header.center {
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(1.7rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.25;
    word-wrap: break-word;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    margin-top: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================
   ABOUT SECTION
   ======================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: clamp(30px, 5vw, 60px);
    align-items: start;
}

.profile-card {
    padding: clamp(25px, 5vw, 40px);
    text-align: center;
}

.profile-image-wrapper {
    position: relative;
    width: clamp(140px, 35vw, 200px);
    height: clamp(140px, 35vw, 200px);
    margin: 0 auto 25px;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.profile-ring {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--secondary), var(--accent), var(--primary)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: spinRing 4s linear infinite;
}

@keyframes spinRing {
    to { transform: rotate(360deg); }
}

.profile-card h3 {
    font-family: var(--font-primary);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: 5px;
    word-wrap: break-word;
}

.profile-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.profile-social {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(128, 128, 160, 0.08);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
}

.social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(108, 43, 217, 0.3);
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: clamp(0.95rem, 2vw, 1rem);
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 30px 0;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px;
    background: rgba(128, 128, 160, 0.05);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    min-width: 0;
}

.detail-item i {
    font-size: 1.1rem;
    color: var(--secondary);
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.detail-item strong {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-item span {
    font-size: 0.9rem;
    word-break: break-word;
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 576px) {
    .about-details {
        grid-template-columns: 1fr;
    }
}

/* ========================
   PROJECTS SECTION
   ======================== */
.projects {
    background: rgba(128, 128, 160, 0.02);
    padding: clamp(60px, 10vw, 100px) 0;
}

.project-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 9px 22px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.85rem;
}

.filter-btn:hover {
    border-color: var(--secondary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 5px 20px rgba(108, 43, 217, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 26px;
}

.project-card {
    background: var(--bg-card-solid);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--neon-glow), var(--glass-shadow);
}

@media (hover: none) {
    .project-card:hover {
        transform: none;
    }
}

.project-card-image {
    width: 100%;
    height: 220px;
    min-height: 220px;
    max-height: 220px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #6c2bd9;
    flex-shrink: 0;
}

.project-card-image img {
    width: 100%;
    height: 100%;
    min-height: 220px;
    max-height: 220px;
    object-fit: cover;
    display: block !important;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 1;
}

.project-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 15, 0.9));
    z-index: 2;
    pointer-events: none;
}

.project-card-image::before {
    content: '🚀';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    opacity: 0.3;
    z-index: 0;
}

.project-card-body {
    padding: clamp(18px, 4vw, 25px);
    position: relative;
    z-index: 3;
}

.project-card h3 {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50px;
    font-size: 0.72rem;
    color: var(--secondary);
}

.project-card .btn-primary {
    padding: 10px 22px;
    font-size: 0.82rem;
}

@media (max-width: 700px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================
   SKILLS SECTION
   ======================== */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 26px;
}

.skill-category {
    padding: clamp(22px, 4vw, 30px);
    transition: var(--transition);
    opacity: 1;
    display: block;
    visibility: visible;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.skill-category-header i {
    font-size: 1.7rem;
    color: var(--secondary);
    flex-shrink: 0;
}

.skill-category-header h3 {
    font-family: var(--font-primary);
    font-size: 1.15rem;
}

.skill-item {
    margin-bottom: 18px;
    display: block;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.88rem;
    gap: 10px;
}

.skill-name {
    color: var(--text-secondary);
}

.skill-percentage {
    color: var(--secondary);
    font-weight: 600;
    flex-shrink: 0;
}

.skill-bar {
    height: 6px;
    background: rgba(128, 128, 160, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (max-width: 700px) {
    .skills-container {
        grid-template-columns: 1fr;
    }
}

/* ========================
   EXPERIENCE / TIMELINE
   ======================== */
.timeline {
    position: relative;
    padding-left: clamp(28px, 6vw, 40px);
}

.timeline::before {
    content: '';
    position: absolute;
    left: clamp(10px, 2vw, 15px);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--secondary), var(--accent), var(--primary));
}

.timeline-item {
    position: relative;
    margin-bottom: 35px;
}

.timeline-dot {
    position: absolute;
    left: clamp(-24px, -5vw, -33px);
    top: 10px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--secondary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    border: 3px solid var(--bg-dark);
}

.timeline-date {
    font-size: 0.82rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 5px;
}

.timeline-content {
    padding: clamp(18px, 4vw, 25px) clamp(18px, 4vw, 30px);
    border-radius: 16px;
}

.timeline-content h3 {
    font-family: var(--font-primary);
    font-size: 1.15rem;
    margin-bottom: 3px;
    word-wrap: break-word;
}

.timeline-content h4 {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    margin-bottom: 10px;
    word-wrap: break-word;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.timeline-list {
    list-style: none;
    padding: 0;
}

.timeline-list li {
    color: var(--text-secondary);
    padding: 5px 0 5px 22px;
    position: relative;
    font-size: 0.92rem;
}

.timeline-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--secondary);
}

/* ========================
   CERTIFICATES
   ======================== */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 26px;
}

.certificate-card {
    padding: 28px 22px;
    text-align: center;
    transition: var(--transition);
    min-height: 210px;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
}

.certificate-card:hover {
    transform: translateY(-10px);
}

@media (hover: none) {
    .certificate-card:hover {
        transform: none;
    }
}

.certificate-icon {
    font-size: 2.7rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.certificate-card h4 {
    font-family: var(--font-primary);
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.certificate-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 20px;
}

.btn-preview {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.88rem;
}

.btn-preview:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(108, 43, 217, 0.3);
}

@media (max-width: 700px) {
    .certificates-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================
   CONTACT SECTION - FIXED VISIBILITY
   ======================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info {
    padding: clamp(25px, 5vw, 40px);
    opacity: 1 !important;
    visibility: visible !important;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item i {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    color: var(--secondary);
    font-size: 1.05rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.contact-item span {
    font-size: 0.92rem;
    word-break: break-word;
}

.contact-form {
    padding: clamp(25px, 5vw, 40px);
    opacity: 1 !important;
    visibility: visible !important;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 18px;
    background: rgba(128, 128, 160, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
    font-family: var(--font-secondary);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.form-group label {
    position: absolute;
    left: 18px;
    top: -10px;
    background: var(--bg-dark);
    padding: 0 8px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    color: var(--secondary);
}

@media (max-width: 968px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ========================
   PDF MODAL
   ======================== */
.pdf-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 4vw, 30px);
}

.pdf-modal.active {
    display: flex;
}

.pdf-modal-content {
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--glass-border);
    gap: 10px;
}

.pdf-modal-header h3 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    word-break: break-word;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
    flex-shrink: 0;
}

.close-modal:hover {
    transform: rotate(90deg);
}

.pdf-modal-body {
    padding: 16px;
    height: min(500px, 60vh);
    min-height: 300px;
    flex: 1;
}

.pdf-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
    background: white;
}

/* ========================
   CHATBOT
   ======================== */
.chatbot-ball {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
    z-index: 900;
    box-shadow: 0 10px 30px rgba(108, 43, 217, 0.4);
    transition: var(--transition);
    animation: bounceChat 2s ease-in-out infinite;
}

@keyframes bounceChat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.chatbot-ball:hover {
    transform: scale(1.1);
}

.chatbot-panel {
    position: fixed;
    bottom: 92px;
    right: 24px;
    width: min(380px, calc(100vw - 32px));
    max-height: min(560px, calc(100vh - 140px));
    z-index: 901;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.chatbot-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chatbot-header {
    padding: 18px 22px;
    background: rgba(108, 43, 217, 0.1);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.chatbot-header h3 {
    font-family: var(--font-primary);
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-chat {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-chat:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.chatbot-body {
    padding: 18px;
    max-height: 300px;
    overflow-y: auto;
    flex: 1;
}

.chat-message {
    margin-bottom: 14px;
    display: flex;
}

.chat-message.bot {
    justify-content: flex-start;
}

.chat-message.user {
    justify-content: flex-end;
}

.message-bubble {
    max-width: 85%;
    padding: 11px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-message.bot .message-bubble {
    background: rgba(128, 128, 160, 0.08);
    border: 1px solid var(--glass-border);
    border-bottom-left-radius: 4px;
}

.chat-message.user .message-bubble {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-bottom-right-radius: 4px;
}

.chatbot-quick-replies {
    display: flex;
    gap: 8px;
    padding: 0 18px 14px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.quick-reply-btn {
    padding: 7px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 50px;
    color: var(--secondary);
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.quick-reply-btn:hover {
    background: var(--secondary);
    color: var(--bg-dark);
}

.chatbot-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.chat-input {
    flex: 1;
    min-width: 0;
    padding: 12px 16px;
    background: rgba(128, 128, 160, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
}

.chat-input:focus {
    border-color: var(--secondary);
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.send-btn:hover {
    transform: scale(1.05);
}

@media (max-width: 480px) {
    .chatbot-ball {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
    .chatbot-panel {
        bottom: 78px;
        right: 16px;
        width: calc(100vw - 32px);
    }
    .back-to-top {
        right: 16px;
        bottom: 78px;
    }
}

/* ========================
   BACK TO TOP
   ======================== */
.back-to-top {
    position: fixed;
    bottom: 92px;
    right: 24px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    cursor: pointer;
    z-index: 800;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(108, 43, 217, 0.3);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ========================
   FOOTER
   ======================== */
.futuristic-footer {
    background: rgba(128, 128, 160, 0.02);
    border-top: 1px solid var(--glass-border);
    padding: 55px 0 26px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 30px);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 36px;
}

.footer-brand .logo-neon {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary);
}

.footer-brand .logo-text {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 15px;
    max-width: 300px;
}

.footer-links h4,
.footer-newsletter h4 {
    font-family: var(--font-primary);
    font-size: 1.05rem;
    margin-bottom: 18px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.footer-bottom {
    padding-top: 26px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.88rem;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-tech i {
    color: #ff0044;
}

@media (max-width: 768px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        justify-content: center;
    }
}

/* ========================
   RESPONSIVE UTILITIES
   ======================== */
@media (max-width: 992px) {
    .hero-stats {
        gap: 26px;
    }
}

@media (max-width: 576px) {
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 360px) {
    .hero-stats {
        gap: 14px;
    }
    .stat-item {
        min-width: 60px;
    }
}

/* ========================
   REDUCED MOTION
   ======================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================
   ANIMATION CLASSES (GSAP)
   ======================== */
.fade-in {
    opacity: 1;
    transform: none;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
}

/* ========================
   BASE VISIBILITY GUARANTEES
   ======================== */
.skill-category,
.certificate-card,
.project-card,
.contact-info,
.contact-form {
    visibility: visible !important;
    opacity: 1 !important;
}

img[loading="lazy"] {
    loading: eager;
}

/* ========================
   NEWSLETTER FORM - ENHANCED
   ======================== */
.newsletter-form {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    position: relative;
    width: 100%;
    max-width: 100%;
}

.newsletter-form input[type="email"] {
    flex: 1;
    min-width: 0;
    padding: 14px 18px;
    background: rgba(128, 128, 160, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
    font-family: var(--font-secondary);
    width: 100%;
}

.newsletter-form input[type="email"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.newsletter-form input[type="email"]:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.12);
    background: rgba(128, 128, 160, 0.08);
}

.newsletter-form button {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(108, 43, 217, 0.3);
}

.newsletter-form button:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 43, 217, 0.5);
}

.newsletter-form button:active {
    transform: scale(0.95);
}

/* Newsletter form in light theme */
body[data-theme="light"] .newsletter-form input[type="email"] {
    background: rgba(20, 20, 40, 0.04);
    border-color: rgba(20, 20, 40, 0.12);
}

body[data-theme="light"] .newsletter-form input[type="email"]:focus {
    border-color: var(--secondary);
    background: rgba(20, 20, 40, 0.06);
}

body[data-theme="light"] .newsletter-form button {
    box-shadow: 0 4px 15px rgba(108, 43, 217, 0.2);
}

body[data-theme="light"] .newsletter-form button:hover {
    box-shadow: 0 8px 30px rgba(108, 43, 217, 0.35);
}

/* Newsletter form responsive */
@media (max-width: 480px) {
    .newsletter-form {
        flex-direction: row;
        gap: 8px;
    }
    
    .newsletter-form input[type="email"] {
        padding: 12px 16px;
        font-size: 0.85rem;
    }
    
    .newsletter-form button {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
}

/* Success state animation */
.newsletter-form.submitted button {
    background: linear-gradient(135deg, #00ff88, #00cc66) !important;
    pointer-events: none;
}

.newsletter-form.submitted button i {
    animation: checkmarkAnim 0.6s ease forwards;
}

@keyframes checkmarkAnim {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); opacity: 1; }
}

/* ========================
   FOOTER NEWSLETTER SECTION
   ======================== */
.footer-newsletter p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.footer-contact-info {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

.footer-contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.footer-contact-info p i {
    color: var(--secondary);
    width: 18px;
    font-size: 0.85rem;
}