/* ===== VARIABLES ===== */
:root {
    --bg-primary: #000000;
    --bg-secondary: #050508;
    --bg-card: #0a0a0f;
    --bg-card-hover: #111118;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #5a5a72;
    --accent: #00d4ff;
    --accent-dark: #00b8e6;
    --accent-glow: rgba(0, 212, 255, 0.12);
    --accent-green: #00ff88;
    --gradient-1: linear-gradient(135deg, #00d4ff, #7b61ff);
    --gradient-2: linear-gradient(135deg, #00b8e6, #6c5ce7);
    --gradient-shine: linear-gradient(135deg, #00d4ff 0%, #7b61ff 50%, #ff6bcb 100%);
    --border-color: rgba(0, 212, 255, 0.08);
    --border-shine: rgba(0, 212, 255, 0.25);
    --radius: 14px;
    --radius-lg: 22px;
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15), 0 0 80px rgba(0, 212, 255, 0.05);
    --shadow-glow-strong: 0 0 30px rgba(0, 212, 255, 0.3), 0 0 60px rgba(123, 97, 255, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code: 'Fira Code', monospace;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse 800px 600px at 20% 10%, rgba(0, 212, 255, 0.03) 0%, transparent 70%),
        radial-gradient(ellipse 600px 400px at 80% 80%, rgba(123, 97, 255, 0.03) 0%, transparent 70%);
    background-attachment: fixed;
}

a {
    text-decoration: none;
    color: var(--accent);
    transition: var(--transition);
}

a:hover {
    color: var(--accent-dark);
}

strong {
    color: var(--accent);
    font-weight: 600;
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #000;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent), var(--accent-dark));
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

/* ===== PARTICLES ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.08;
    box-shadow: 0 0 6px rgba(0, 212, 255, 0.4);
    animation: float-particle linear infinite;
}

@keyframes float-particle {

    0%,
    100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: 0.15;
    }

    90% {
        opacity: 0.15;
    }

    50% {
        transform: translateY(-100px) translateX(30px);
    }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(24px) saturate(1.5);
    padding: 12px 5%;
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6), 0 1px 0 rgba(0, 212, 255, 0.08);
    border-bottom: 1px solid rgba(0, 212, 255, 0.06);
}

.nav-logo {
    font-family: var(--font-code);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-bracket {
    color: var(--accent);
    text-shadow: 0 0 14px rgba(0, 212, 255, 0.6);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
    background: var(--accent-glow);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
    background:
        radial-gradient(ellipse 900px 500px at 50% 0%, rgba(0, 212, 255, 0.07) 0%, transparent 70%),
        radial-gradient(ellipse 400px 400px at 30% 60%, rgba(123, 97, 255, 0.04) 0%, transparent 70%),
        radial-gradient(ellipse 400px 400px at 70% 60%, rgba(0, 212, 255, 0.03) 0%, transparent 70%);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent);
    box-shadow:
        0 0 20px rgba(0, 212, 255, 0.3),
        0 0 60px rgba(0, 212, 255, 0.1),
        inset 0 0 20px rgba(0, 0, 0, 0.3);
    position: relative;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-photo:hover {
    transform: scale(1.05);
    box-shadow:
        0 0 30px rgba(0, 212, 255, 0.5),
        0 0 80px rgba(0, 212, 255, 0.2),
        inset 0 0 20px rgba(0, 0, 0, 0.3);
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.hero-greeting {
    font-family: var(--font-code);
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 10px;
    letter-spacing: 1px;
    text-shadow: 0 0 16px rgba(0, 212, 255, 0.5);
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    background: var(--gradient-shine);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 16px;
    animation: shimmer-gradient 4s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}

@keyframes shimmer-gradient {

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

    50% {
        background-position: 100% 50%;
    }
}

.typewriter-wrapper {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 2rem;
    font-family: var(--font-code);
}

.cursor {
    color: var(--accent);
    animation: blink 1s infinite;
    font-weight: 300;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--gradient-2);
    color: white;
    box-shadow: 0 4px 25px rgba(0, 212, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 40%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: skewX(-20deg);
    transition: 0.6s;
}

.btn-primary:hover::after {
    left: 120%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.5), 0 0 60px rgba(0, 212, 255, 0.15);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
}

.btn-outline:hover {
    background: var(--accent-glow);
    transform: translateY(-3px);
    color: var(--accent);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.25);
    border-color: rgba(0, 212, 255, 0.8);
}

.hero-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.social-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    font-size: 1.15rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(4px);
}

.social-icon:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.3), 0 0 60px rgba(0, 212, 255, 0.1);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
    z-index: 2;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    position: relative;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 4px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        top: 8px;
    }

    100% {
        opacity: 0;
        top: 22px;
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* ===== ANIMATIONS ===== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.15s;
}

.delay-2 {
    animation-delay: 0.3s;
}

.delay-3 {
    animation-delay: 0.45s;
}

.delay-4 {
    animation-delay: 0.6s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECTIONS ===== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-alt {
    background: var(--bg-secondary);
    background-image: radial-gradient(ellipse 600px 300px at 50% 50%, rgba(0, 212, 255, 0.02) 0%, transparent 70%);
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 60px;
    text-align: center;
    color: var(--text-primary);
}

.section-number {
    font-family: var(--font-code);
    color: var(--accent);
    font-size: 1rem;
    font-weight: 400;
    display: block;
    margin-bottom: 8px;
    text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.02rem;
}

.about-bullets {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 2;
}

.about-bullets strong {
    color: var(--accent);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: linear-gradient(145deg, rgba(10, 10, 15, 0.9), rgba(5, 5, 8, 0.95));
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
}

.stat-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-glow-strong);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient-shine);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer-gradient 4s ease-in-out infinite;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.3));
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border-color));
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.timeline-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
    z-index: 1;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.25), 0 0 50px rgba(0, 212, 255, 0.08);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.timeline-content {
    background: linear-gradient(145deg, rgba(10, 10, 15, 0.95), rgba(5, 5, 8, 0.98));
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px;
    flex: 1;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.25), transparent);
}

.timeline-content:hover {
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: var(--shadow-glow-strong);
}

.timeline-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.experience-badge {
    background: rgba(74, 222, 128, 0.1);
    color: var(--accent-green);
    border-color: rgba(74, 222, 128, 0.2);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.virtual-tag {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    margin-left: 8px;
}

/* Experience Tags */
.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 6px;
}

.exp-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.tag-fulltime {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.tag-intern {
    background: rgba(99, 102, 241, 0.12);
    color: #818cf8;
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.tag-trainee {
    background: rgba(168, 85, 247, 0.12);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.25);
}

.tag-onsite {
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

/* View Certificate Button */
.btn-view-cert {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 8px 20px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    background: rgba(0, 212, 255, 0.06);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-view-cert:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

.btn-view-cert i {
    font-size: 0.9rem;
}

.timeline-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.experience-list {
    list-style: none;
    padding: 0;
    margin-top: 8px;
}

.experience-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.experience-list li::before {
    content: '▹';
    color: var(--accent);
    position: absolute;
    left: 0;
    font-size: 1rem;
}

.experience-list li strong {
    color: var(--accent);
}

/* Experience Project Sub-header */
.experience-project {
    margin: 12px 0 6px;
    padding: 10px 14px;
    border-left: 3px solid var(--accent);
    background: rgba(0, 212, 255, 0.03);
    border-radius: 0 8px 8px 0;
}

.experience-project-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.experience-project-title i {
    color: var(--accent);
    font-size: 0.85rem;
}

.experience-project-link {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.06);
    transition: var(--transition);
    margin-left: auto;
}

.experience-project-link:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.experience-project-link i {
    font-size: 0.7rem;
}

.experience-project-tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(139, 92, 246, 0.9);
    background: rgba(139, 92, 246, 0.08);
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid rgba(139, 92, 246, 0.15);
    margin-left: 8px;
    white-space: nowrap;
}

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

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 255, 0.08);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.12);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    background: linear-gradient(160deg, rgba(10, 10, 18, 0.95), rgba(3, 3, 8, 0.98));
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.project-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-shine);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.04) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.project-card:hover::after {
    opacity: 1;
}

.project-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-glow-strong);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-folder-icon {
    font-size: 2rem;
    color: var(--accent);
}

.project-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition);
}

.project-links a:hover {
    color: var(--accent);
}

.project-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    transition: var(--transition);
}

.project-card:hover .project-title {
    color: var(--accent);
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    flex-grow: 1;
    margin-bottom: 20px;
}

.projects-single {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-featured {
    width: 100%;
}

.project-badge-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.project-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #00e676;
    background: rgba(0, 230, 118, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    border: 1px solid rgba(0, 230, 118, 0.25);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-live-badge i {
    font-size: 0.45rem;
    animation: pulse-green 1.5s ease-in-out infinite;
}

@keyframes pulse-green {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.project-company {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 500;
    font-style: normal;
}

.project-url {
    margin: 6px 0 10px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-style: normal;
}

.project-url i {
    color: var(--accent);
    margin-right: 4px;
    font-size: 0.78rem;
}

.project-url a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.project-url a:hover {
    text-decoration: underline;
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

.project-contributions {
    margin-bottom: 20px;
}

.project-contributions p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 4px;
}

.project-contributions p strong {
    color: var(--accent);
}


.btn-view-patent {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-primary);
    font-size: 0.72rem;
    font-weight: 600;
    color: #ffb300;
    background: rgba(255, 179, 0, 0.08);
    border: 1px solid rgba(255, 179, 0, 0.25);
    padding: 5px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.btn-view-patent:hover {
    background: rgba(255, 179, 0, 0.15);
    border-color: rgba(255, 179, 0, 0.4);
    box-shadow: 0 0 15px rgba(255, 179, 0, 0.2);
}

.btn-view-patent i {
    font-size: 0.65rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.project-tech span {
    font-family: var(--font-code);
    font-size: 0.78rem;
    color: var(--accent);
    background: rgba(0, 212, 255, 0.06);
    padding: 4px 12px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
    transition: var(--transition);
}

.project-tech span:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
}

.project-accuracy {
    display: flex;
    align-items: center;
    gap: 12px;
}

.accuracy-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.accuracy-fill {
    height: 100%;
    background: var(--gradient-shine);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.accuracy-text {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--accent);
    white-space: nowrap;
}

/* ===== SKILLS ===== */
.skills-grid {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.skill-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.skill-category {
    background: linear-gradient(160deg, rgba(10, 10, 18, 0.95), rgba(3, 3, 8, 0.98));
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.skill-category:hover::before {
    opacity: 1;
}

.skill-category:hover {
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: var(--shadow-glow-strong);
    transform: translateY(-4px);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.skill-category-header i {
    color: var(--accent);
    font-size: 1.1rem;
    text-shadow: 0 0 14px rgba(0, 212, 255, 0.5);
}

.skill-category-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    cursor: default;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-chip::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(139, 92, 246, 0.15));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-chip:hover {
    color: #fff;
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2), 0 0 8px rgba(0, 212, 255, 0.1);
}

.skill-chip:hover::before {
    opacity: 1;
}

.skill-sub-header {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 12px 0 6px;
    padding-left: 2px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-sub-header::before {
    content: '▸';
    font-size: 0.9rem;
}

.skill-chip.model {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(0, 212, 255, 0.06));
    border-color: rgba(139, 92, 246, 0.2);
    border-style: dashed;
    font-size: 0.75rem;
}

.skill-chip.model:hover {
    border-color: rgba(139, 92, 246, 0.5);
    border-style: solid;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2), 0 0 8px rgba(139, 92, 246, 0.1);
}

/* Staggered entrance animation for chips */
.skill-category.animate-in .skill-chip {
    animation: chipFadeIn 0.4s ease forwards;
    opacity: 0;
}

.skill-category.animate-in .skill-chip:nth-child(1) {
    animation-delay: 0.05s;
}

.skill-category.animate-in .skill-chip:nth-child(2) {
    animation-delay: 0.1s;
}

.skill-category.animate-in .skill-chip:nth-child(3) {
    animation-delay: 0.12s;
}

.skill-category.animate-in .skill-chip:nth-child(4) {
    animation-delay: 0.14s;
}

.skill-category.animate-in .skill-chip:nth-child(5) {
    animation-delay: 0.16s;
}

.skill-category.animate-in .skill-chip:nth-child(6) {
    animation-delay: 0.18s;
}

.skill-category.animate-in .skill-chip:nth-child(7) {
    animation-delay: 0.2s;
}

.skill-category.animate-in .skill-chip:nth-child(8) {
    animation-delay: 0.22s;
}

.skill-category.animate-in .skill-chip:nth-child(9) {
    animation-delay: 0.24s;
}

.skill-category.animate-in .skill-chip:nth-child(10) {
    animation-delay: 0.26s;
}

.skill-category.animate-in .skill-chip:nth-child(11) {
    animation-delay: 0.28s;
}

.skill-category.animate-in .skill-chip:nth-child(12) {
    animation-delay: 0.3s;
}

.skill-category.animate-in .skill-chip:nth-child(13) {
    animation-delay: 0.32s;
}

.skill-category.animate-in .skill-chip:nth-child(14) {
    animation-delay: 0.34s;
}

.skill-category.animate-in .skill-chip:nth-child(15) {
    animation-delay: 0.36s;
}

.skill-category.animate-in .skill-chip:nth-child(16) {
    animation-delay: 0.38s;
}

@keyframes chipFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== LEADERSHIP & INITIATIVES ===== */
.leadership-card {
    background: linear-gradient(160deg, rgba(10, 10, 18, 0.95), rgba(3, 3, 8, 0.98));
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--radius);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.leadership-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), rgba(123, 97, 255, 0.6), transparent);
}

.leadership-top {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.leadership-role {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.leadership-org {
    font-size: 1.05rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 12px;
}

.leadership-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.leadership-meta span {
    font-size: 0.82rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.leadership-meta span i {
    margin-right: 6px;
    color: var(--accent);
    font-size: 0.75rem;
}

.leadership-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.leadership-list li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}

.leadership-list li:hover {
    background: rgba(0, 212, 255, 0.04);
    border-color: rgba(0, 212, 255, 0.12);
}

.leadership-list li i {
    color: var(--accent);
    margin-right: 8px;
    font-size: 0.8rem;
}

.leadership-gallery {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

.gallery-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent);
    border: 1px solid rgba(0, 212, 255, 0.2);
    padding: 10px 22px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    letter-spacing: 0.5px;
}

.gallery-toggle-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.gallery-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.gallery-arrow.rotated {
    transform: rotate(180deg);
}

.leadership-gallery-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.4s ease, margin 0.4s ease;
    opacity: 0;
    margin-top: 0;
}

.leadership-gallery-content.open {
    max-height: 200px;
    opacity: 1;
    margin-top: 16px;
}

.leadership-gallery-label {
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 14px;
}

.leadership-gallery-label i {
    margin-right: 6px;
}

.leadership-gallery-scroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 212, 255, 0.3) transparent;
}

.leadership-gallery-scroll::-webkit-scrollbar {
    height: 4px;
}

.leadership-gallery-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
}

.leadership-gallery-scroll::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 4px;
}

.leadership-gallery-scroll img {
    width: 160px;
    height: 110px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    scroll-snap-align: start;
    flex-shrink: 0;
}

.leadership-gallery-scroll img:hover {
    transform: scale(1.05);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}


/* ===== CERTIFICATIONS ===== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.cert-card.cert-small {
    padding: 24px 18px;
}

.cert-card.cert-small .cert-icon {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.cert-card.cert-small h3 {
    font-size: 0.95rem;
}

.cert-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cert-stack .cert-card {
    flex: 1;
}

.cert-card {
    background: linear-gradient(160deg, rgba(10, 10, 18, 0.95), rgba(3, 3, 8, 0.98));
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.25), transparent);
}

.cert-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.cert-card:hover {
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: var(--shadow-glow-strong);
    transform: translateY(-6px);
}

.cert-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: var(--accent);
    font-size: 1.5rem;
    border: 1px solid rgba(0, 212, 255, 0.15);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
    text-shadow: 0 0 14px rgba(0, 212, 255, 0.5);
}

.cert-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.cert-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Featured cert card (Symbiosis / IBM) */
.cert-card.cert-featured {
    border-color: rgba(0, 212, 255, 0.18);
    background: linear-gradient(160deg, rgba(0, 212, 255, 0.04), rgba(10, 10, 18, 0.98));
    grid-column: span 1;
}

/* Bottom row: 3 smaller cards spanning full width */
.certifications-grid .cert-card:nth-child(3),
.certifications-grid .cert-card:nth-child(4),
.certifications-grid .cert-card:nth-child(5) {
    grid-column: span 1;
}

/* Make bottom 3 cards span the full row evenly using a sub-grid approach */
.certifications-bottom-row {
    display: contents;
}

.cert-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 212, 255, 0.12);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.25);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-university {
    color: #fbbf24 !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    margin-bottom: 10px;
}

.cert-university i {
    margin-right: 6px;
    font-size: 0.85rem;
}

.cert-desc {
    font-size: 0.82rem !important;
    color: var(--text-secondary) !important;
    line-height: 1.6;
    margin-bottom: 12px;
}

.cert-details {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 12px 0 16px;
}

.cert-date,
.cert-mode {
    font-size: 0.78rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.cert-date i,
.cert-mode i {
    margin-right: 5px;
    color: var(--accent);
    font-size: 0.72rem;
}

.cert-card .btn-view-cert {
    margin-top: 14px;
}

.cert-desc strong {
    color: var(--accent);
}

.cert-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.cert-skills span {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--accent);
    background: rgba(0, 212, 255, 0.06);
    padding: 3px 10px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
}

/* Certificate Photo Gallery */
.cert-gallery {
    width: 100%;
    margin-top: 18px;
}

.cert-gallery-label {
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 10px;
}

.cert-gallery-label i {
    margin-right: 6px;
}

.cert-gallery-scroll {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 212, 255, 0.3) transparent;
}

.cert-gallery-scroll::-webkit-scrollbar {
    height: 4px;
}

.cert-gallery-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
}

.cert-gallery-scroll::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.3);
    border-radius: 4px;
}

.cert-gallery-scroll img {
    width: 160px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    scroll-snap-align: start;
    flex-shrink: 0;
}

.cert-gallery-scroll img:hover {
    transform: scale(1.05);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

/* Bottom row of 3 equal certification cards */
.certifications-bottom {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.certifications-bottom .cert-card {
    min-height: 200px;
}

.cert-card.has-image {
    cursor: pointer;
}


.cert-image-preview {
    margin-top: 16px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.cert-image-preview img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, filter 0.4s ease;
}

.cert-image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cert-card.has-image:hover .cert-image-preview img {
    transform: scale(1.05);
}

.cert-card.has-image:hover .cert-image-overlay {
    opacity: 1;
}

/* Certificate Modal */
.cert-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    align-items: center;
    justify-content: center;
    padding: 30px;
    animation: modalFadeIn 0.3s ease;
}

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

.cert-modal-content {
    position: relative;
    max-width: 800px;
    max-height: 90vh;
    width: 100%;
}

.cert-modal-content img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 212, 255, 0.1);
}

.cert-modal-close {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1;
}

.cert-modal-close:hover {
    background: rgba(255, 50, 50, 0.6);
    border-color: rgba(255, 50, 50, 0.8);
}

.cert-modal-title {
    text-align: center;
    margin-top: 16px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.cert-modal-content img {
    transition: opacity 0.15s ease;
}

.cert-modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2;
    backdrop-filter: blur(8px);
}

.cert-modal-prev {
    left: -56px;
}

.cert-modal-next {
    right: -56px;
}

.cert-modal-nav:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ===== CONTACT ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.contact-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: linear-gradient(145deg, rgba(10, 10, 15, 0.9), rgba(5, 5, 8, 0.95));
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item:hover {
    border-color: rgba(0, 212, 255, 0.2);
    color: var(--accent);
    background: rgba(0, 212, 255, 0.04);
    transform: translateX(8px);
    box-shadow: 0 0 25px rgba(0, 212, 255, 0.1);
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--accent);
    width: 24px;
    text-align: center;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(5, 5, 10, 0.9);
    border: 1px solid rgba(0, 212, 255, 0.06);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08), 0 0 20px rgba(0, 212, 255, 0.1);
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
    background: rgba(5, 5, 10, 0.9);
    padding: 0 6px;
}

.form-group input:focus+label,
.form-group input:not(:placeholder-shown)+label,
.form-group textarea:focus+label,
.form-group textarea:not(:placeholder-shown)+label {
    top: -10px;
    font-size: 0.78rem;
    color: var(--accent);
}

.btn-submit {
    align-self: flex-start;
    background: var(--gradient-2);
    color: white;
    box-shadow: 0 4px 25px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
    padding: 14px 36px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.3px;
}

.btn-submit::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 40%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    transform: skewX(-20deg);
    transition: 0.6s;
}

.btn-submit:hover::after {
    left: 120%;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.45);
}

.btn-submit.sent {
    background: var(--accent-green);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

/* ===== FOOTER ===== */
.footer {
    padding: 40px 5%;
    border-top: 1px solid rgba(0, 212, 255, 0.06);
    text-align: center;
    background: rgba(0, 0, 0, 0.5);
}

.footer-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 20px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-2);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 25px rgba(0, 212, 255, 0.35);
    z-index: 100;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 212, 255, 0.5), 0 0 60px rgba(0, 212, 255, 0.15);
}

/* ===== RESPONSIVE ===== */

/* --- Tablet (max-width: 992px) --- */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .skills-grid {
        gap: 14px;
    }

    .leadership-list {
        grid-template-columns: 1fr;
    }
}

/* --- Mobile (max-width: 768px) --- */
@media (max-width: 768px) {

    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 100px 30px 30px;
        transition: right 0.4s ease;
        border-left: 1px solid rgba(0, 212, 255, 0.08);
        box-shadow: -10px 0 50px rgba(0, 0, 0, 0.6);
    }

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

    .nav-link {
        font-size: 1.05rem;
        padding: 14px 20px;
    }

    /* Hero Section */
    .hero {
        padding: 100px 5% 60px;
        min-height: auto;
    }

    .hero-photo {
        width: 150px;
        height: 150px;
        margin-bottom: 20px;
    }

    .hero-name {
        font-size: clamp(1.8rem, 8vw, 2.8rem);
    }

    .hero-greeting {
        font-size: 0.95rem;
    }

    .typewriter-wrapper {
        font-size: clamp(0.85rem, 3vw, 1.1rem);
    }

    .hero-description {
        font-size: 0.88rem;
        margin-bottom: 24px;
        padding: 0 10px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin-bottom: 28px;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.88rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-socials {
        gap: 12px;
    }

    .social-icon {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .scroll-indicator {
        display: none;
    }

    /* Sections */
    .section {
        padding: 60px 0;
    }

    .container {
        padding: 0 4%;
    }

    .section-title {
        margin-bottom: 36px;
        font-size: clamp(1.3rem, 5vw, 1.8rem);
    }

    .section-number {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-text p {
        font-size: 0.92rem;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 20px 14px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Timeline */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        gap: 16px;
        margin-bottom: 24px;
    }

    .timeline-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 0.9rem;
    }

    .timeline-content {
        padding: 20px 16px;
    }

    .timeline-content h3 {
        font-size: 1.05rem;
    }

    .timeline-content h4 {
        font-size: 0.88rem;
    }

    .timeline-date {
        font-size: 0.78rem;
    }

    .experience-list li {
        font-size: 0.84rem;
        padding-left: 16px;
    }

    .experience-tags {
        gap: 6px;
    }

    .exp-tag {
        font-size: 0.68rem;
        padding: 3px 10px;
    }

    .experience-project {
        margin: 10px 0 4px;
        padding: 8px 12px;
    }

    .experience-project-title {
        font-size: 0.85rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .experience-project-link {
        margin-left: 0;
        font-size: 0.75rem;
    }

    .experience-project-tag {
        margin-left: 0;
        font-size: 0.65rem;
    }

    /* Projects */
    .projects-grid,
    .projects-single {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .project-card {
        padding: 22px 18px;
    }

    .project-header {
        margin-bottom: 14px;
    }

    .project-badge-row {
        flex-wrap: wrap;
        gap: 8px;
    }

    .project-live-badge {
        font-size: 0.68rem;
        padding: 3px 10px;
    }

    .project-company {
        font-size: 0.72rem;
    }

    .project-title {
        font-size: 1.05rem;
    }

    .project-url {
        font-size: 0.8rem;
    }

    .project-contributions p {
        font-size: 0.82rem;
        line-height: 1.7;
    }

    .project-desc {
        font-size: 0.85rem;
    }

    .project-tech span {
        font-size: 0.72rem;
        padding: 3px 10px;
    }

    .project-filters {
        gap: 8px;
        margin-bottom: 28px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.82rem;
    }

    /* Skills */
    .skills-grid {
        flex-direction: column;
        gap: 12px;
    }

    .skill-category {
        padding: 16px;
    }

    .skill-category-header {
        margin-bottom: 10px;
    }

    .skill-category-header h3 {
        font-size: 0.9rem;
    }

    .skill-category-header i {
        font-size: 1rem;
    }

    .skill-chip {
        padding: 4px 10px;
        font-size: 0.74rem;
    }

    .skill-tags {
        gap: 5px;
    }

    .skill-sub-header {
        font-size: 0.68rem;
        margin: 10px 0 5px;
    }

    .skill-chip.model {
        font-size: 0.7rem;
    }

    /* Certifications */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .cert-card.cert-small {
        padding: 18px 14px;
    }

    .cert-card {
        padding: 24px 18px;
    }

    .cert-icon {
        width: 52px;
        height: 52px;
        font-size: 1.2rem;
        margin-bottom: 14px;
    }

    .cert-card h3 {
        font-size: 0.95rem;
    }

    .cert-desc {
        font-size: 0.78rem !important;
    }

    .cert-university {
        font-size: 0.82rem !important;
    }

    .cert-badge {
        font-size: 0.62rem;
        padding: 3px 10px;
    }

    .cert-details {
        gap: 8px;
        margin: 10px 0 12px;
    }

    .cert-date,
    .cert-mode {
        font-size: 0.72rem;
        padding: 4px 10px;
    }

    .cert-gallery-scroll img {
        width: 130px;
        height: 85px;
    }

    .btn-view-cert {
        padding: 7px 16px;
        font-size: 0.78rem;
    }

    /* Leadership */
    .leadership-card {
        padding: 24px 16px;
    }

    .leadership-top {
        margin-bottom: 20px;
        padding-bottom: 18px;
    }

    .leadership-role {
        font-size: 1.2rem;
    }

    .leadership-org {
        font-size: 0.9rem;
    }

    .leadership-meta {
        gap: 8px;
    }

    .leadership-meta span {
        font-size: 0.72rem;
        padding: 4px 10px;
    }

    .leadership-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .leadership-list li {
        font-size: 0.82rem;
        padding: 10px 12px;
    }

    .leadership-list li i {
        font-size: 0.72rem;
    }

    .leadership-gallery-scroll img {
        width: 130px;
        height: 90px;
    }

    .gallery-toggle-btn {
        padding: 8px 18px;
        font-size: 0.78rem;
    }

    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .contact-info {
        text-align: center;
    }

    .contact-description {
        font-size: 0.92rem;
        margin-bottom: 20px;
    }

    .contact-details {
        gap: 10px;
    }

    .contact-item {
        padding: 12px 16px;
        gap: 12px;
    }

    .contact-item span {
        font-size: 0.85rem;
        word-break: break-all;
    }

    .contact-item i {
        font-size: 1rem;
    }

    .contact-form {
        gap: 16px;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px 16px;
        font-size: 0.88rem;
    }

    .form-group label {
        font-size: 0.88rem;
        left: 16px;
    }

    .btn-submit {
        align-self: center;
        justify-content: center;
        padding: 14px 28px;
    }

    /* Footer */
    .footer {
        padding: 30px 4%;
    }

    .footer-socials {
        gap: 12px;
        margin-bottom: 16px;
    }

    .footer-text {
        font-size: 0.82rem;
    }

    .footer-copyright {
        font-size: 0.72rem;
    }

    /* Back to Top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 0.95rem;
    }

    /* Modal */
    .cert-modal {
        padding: 16px;
    }

    .cert-modal-content {
        max-width: 100%;
    }

    .cert-modal-close {
        top: -12px;
        right: -4px;
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
    }

    .cert-modal-title {
        font-size: 0.82rem;
        margin-top: 12px;
    }

    .cert-modal-prev {
        left: -8px;
    }

    .cert-modal-next {
        right: -8px;
    }

    .cert-modal-nav {
        width: 34px;
        height: 34px;
        font-size: 0.85rem;
        background: rgba(0, 0, 0, 0.8);
    }
}

/* --- Small Mobile (max-width: 480px) --- */
@media (max-width: 480px) {

    /* Hero */
    .hero {
        padding: 90px 4% 50px;
    }

    .hero-photo {
        width: 120px;
        height: 120px;
        margin-bottom: 16px;
        border-width: 2px;
    }

    .hero-name {
        font-size: clamp(1.6rem, 9vw, 2.2rem);
    }

    .hero-greeting {
        font-size: 0.85rem;
    }

    .hero-description {
        font-size: 0.82rem;
    }

    .hero-buttons {
        gap: 10px;
    }

    .btn {
        padding: 11px 24px;
        font-size: 0.82rem;
    }

    .social-icon {
        width: 38px;
        height: 38px;
        font-size: 0.92rem;
    }

    /* Sections */
    .section {
        padding: 50px 0;
    }

    .container {
        padding: 0 3.5%;
    }

    .section-title {
        margin-bottom: 28px;
    }

    /* About */
    .stat-card {
        padding: 16px 10px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .about-text p {
        font-size: 0.85rem;
    }

    /* Timeline */
    .timeline-item {
        gap: 12px;
        margin-bottom: 20px;
    }

    .timeline-icon {
        width: 38px;
        height: 38px;
        min-width: 38px;
        font-size: 0.8rem;
    }

    .timeline::before {
        left: 17px;
    }

    .timeline-content {
        padding: 16px 14px;
    }

    .timeline-content h3 {
        font-size: 0.95rem;
    }

    .timeline-content h4 {
        font-size: 0.82rem;
    }

    .experience-list li {
        font-size: 0.8rem;
    }

    .experience-project {
        margin: 8px 0 4px;
        padding: 6px 10px;
    }

    .experience-project-title {
        font-size: 0.78rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .experience-project-link {
        margin-left: 0;
        font-size: 0.7rem;
        padding: 2px 8px;
    }

    .experience-project-tag {
        margin-left: 0;
        font-size: 0.6rem;
        padding: 2px 8px;
    }

    /* Projects */
    .project-card {
        padding: 16px 12px;
    }

    .project-header {
        margin-bottom: 10px;
    }

    .project-badge-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .project-live-badge {
        font-size: 0.62rem;
        padding: 3px 8px;
    }

    .project-company {
        font-size: 0.68rem;
    }

    .project-title {
        font-size: 0.92rem;
    }

    .project-url {
        font-size: 0.75rem;
        margin: 6px 0 12px;
    }

    .project-contributions p {
        font-size: 0.78rem;
        line-height: 1.65;
    }

    .project-desc {
        font-size: 0.8rem;
        margin-bottom: 14px;
    }

    .project-tech {
        gap: 5px;
    }

    .project-tech span {
        font-size: 0.66rem;
        padding: 2px 8px;
    }

    .project-folder-icon {
        font-size: 1.5rem;
    }

    .project-filters {
        gap: 6px;
    }

    .filter-btn {
        padding: 7px 14px;
        font-size: 0.78rem;
    }

    /* Skills */
    .skill-category {
        padding: 14px;
    }

    .skill-chip {
        padding: 3px 8px;
        font-size: 0.7rem;
    }

    .skill-category-header h3 {
        font-size: 0.85rem;
    }

    /* Certifications */
    .cert-card {
        padding: 20px 14px;
    }

    .cert-icon {
        width: 44px;
        height: 44px;
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .cert-card h3 {
        font-size: 0.88rem;
    }

    .cert-gallery-scroll img {
        width: 110px;
        height: 72px;
    }

    /* Leadership */
    .leadership-card {
        padding: 20px 14px;
    }

    .leadership-role {
        font-size: 1.05rem;
    }

    .leadership-org {
        font-size: 0.82rem;
    }

    .leadership-meta span {
        font-size: 0.68rem;
        padding: 3px 8px;
    }

    .leadership-list li {
        font-size: 0.78rem;
        padding: 8px 10px;
    }

    .leadership-gallery-scroll img {
        width: 110px;
        height: 75px;
    }

    /* Contact */
    .contact-description {
        font-size: 0.85rem;
    }

    .contact-details {
        gap: 8px;
    }

    .contact-item {
        padding: 10px 12px;
    }

    .contact-item span {
        font-size: 0.78rem;
    }

    .contact-form {
        gap: 12px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 0.82rem;
    }

    .btn-submit {
        padding: 12px 24px;
        font-size: 0.85rem;
    }

    .form-group label {
        font-size: 0.82rem;
        left: 14px;
        top: 12px;
    }

    /* Footer */
    .footer {
        padding: 24px 3.5%;
    }

    .footer-socials .social-icon {
        width: 36px;
        height: 36px;
        font-size: 0.88rem;
    }

    /* Modal */
    .cert-modal {
        padding: 12px;
    }

    .cert-modal-close {
        top: -10px;
        right: 0;
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}