/* ============================================
   Abhishek Kumar Portfolio - Iron Man Theme
   ============================================ */

/* CSS Variables - Iron Man Theme */
:root {
    --primary: #e6322e;
    --primary-light: #ff5a3c;
    --primary-dark: #b31f1f;
    --accent: #ffd13b;
    --accent-2: #ff9d00;
    --bg-dark: #0a0a0f;
    --bg-card: #16161f;
    --bg-card-hover: #20212e;
    --text-light: #ffffff;
    --text-muted: #b8b8c4;
    --border: rgba(255, 209, 59, 0.15);
    --shadow: 0 10px 30px rgba(230, 50, 46, 0.25);
    --glow-red: rgba(230, 50, 46, 0.6);
    --glow-gold: rgba(255, 209, 59, 0.5);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   Iron Man Energy Particles Background
   ============================================ */
.bubbles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bubbles span {
    position: absolute;
    bottom: -150px;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at 30% 30%, rgba(230, 50, 46, 0.5), rgba(230, 50, 46, 0.05));
    border-radius: 50%;
    animation: bubbleRise linear infinite;
    animation-duration: calc(12s / var(--i));
    left: calc(var(--i) * 6%);
    opacity: 0;
}

.bubbles span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 10px;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}

.bubbles span:nth-child(2n) {
    background: radial-gradient(circle at 30% 30%, rgba(255, 209, 59, 0.4), rgba(255, 209, 59, 0.05));
}

.bubbles span:nth-child(3n) {
    background: radial-gradient(circle at 30% 30%, rgba(255, 154, 0, 0.4), rgba(255, 154, 0, 0.05));
}

@keyframes bubbleRise {
    0% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    50% {
        transform: translateY(-50vh) translateX(30px) scale(1.1);
    }
    100% {
        transform: translateY(-110vh) translateX(-20px) scale(1.3);
        opacity: 0;
    }
}

/* ============================================
   Navigation - Arc Reactor Style
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary-light);
    font-size: 2rem;
}

.logo-arc {
    display: inline-block;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: radial-gradient(circle, #ffd13b 0%, #ff9d00 40%, #e6322e 70%, transparent 100%);
    box-shadow: 0 0 12px var(--glow-gold), 0 0 24px var(--glow-red);
    animation: arcPulse 2s ease-in-out infinite;
}

@keyframes arcPulse {
    0%, 100% { box-shadow: 0 0 10px var(--glow-gold), 0 0 20px var(--glow-red); }
    50% { box-shadow: 0 0 18px var(--glow-gold), 0 0 34px var(--glow-red); }
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    padding: 0.5rem 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    box-shadow: 0 0 8px var(--glow-red);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-light);
    text-shadow: 0 0 10px var(--glow-red);
}

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

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   Hero Section with Arc Reactor
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    z-index: 1;
    padding: 6rem 0 3rem;
    overflow: hidden;
}

/* Big arc reactor glow behind hero */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(230, 50, 46, 0.25), rgba(255, 209, 59, 0.1) 40%, transparent 70%);
    border-radius: 50%;
    z-index: -2;
    animation: heroGlow 6s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

/* Animated arc reactor element */
.arc-reactor {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.5;
    background: radial-gradient(circle, #ffd13b 0%, #ff9d00 25%, transparent 45%);
    animation: reactorSpin 20s linear infinite;
}

.arc-reactor::before {
    content: '';
    position: absolute;
    inset: 12px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 209, 59, 0.6);
    animation: reactorSpin 8s linear infinite reverse;
}

.arc-reactor::after {
    content: '';
    position: absolute;
    inset: 30px;
    border-radius: 50%;
    border: 2px solid rgba(230, 50, 46, 0.7);
    box-shadow: 0 0 30px var(--glow-gold), 0 0 60px var(--glow-red);
    animation: arcPulse 2s ease-in-out infinite;
}

@keyframes reactorSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    text-shadow: 0 0 12px var(--glow-gold);
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 15px var(--glow-red));
}

.hero-role {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.hero-role::after {
    content: '|';
    animation: blink 1s step-end infinite;
    color: var(--accent);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-desc {
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    color: #fff;
    box-shadow: 0 5px 20px var(--glow-red);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--glow-red);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-light);
    box-shadow: inset 0 0 12px rgba(230, 50, 46, 0.2), 0 0 12px rgba(230, 50, 46, 0.2);
}

.btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 0 20px var(--glow-red);
}

.btn-small {
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent-2));
    color: #fff;
    font-size: 0.85rem;
    box-shadow: 0 4px 15px var(--glow-red);
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--glow-red);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: #fff;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.btn-whatsapp i {
    margin-right: 0.4rem;
}

/* Hero stats - HUD style */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(230, 50, 46, 0.05);
    box-shadow: inset 0 0 15px rgba(230, 50, 46, 0.1);
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

.hero-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.hero-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: var(--transition);
}

.hero-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-4px);
    box-shadow: 0 0 20px var(--glow-red);
}

/* Floating shapes in hero - repulsor tech */
.floating-shapes {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.float-shape {
    position: absolute;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(230, 50, 46, 0.3);
    animation: floatShape linear infinite;
}

.float-shape i {
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--glow-gold));
}

.shape-1 { top: 20%; left: 8%; animation-duration: 6s; }
.shape-2 { top: 65%; left: 12%; animation-duration: 8s; animation-delay: 1s; }
.shape-3 { top: 25%; right: 10%; animation-duration: 7s; animation-delay: 2s; }
.shape-4 { top: 70%; right: 8%; animation-duration: 9s; animation-delay: 0.5s; }
.shape-5 { top: 45%; left: 45%; animation-duration: 10s; animation-delay: 1.5s; }

@keyframes floatShape {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    25% {
        transform: translateY(-20px) rotate(5deg) scale(1.05);
    }
    50% {
        transform: translateY(-40px) rotate(-5deg) scale(1.1);
    }
    75% {
        transform: translateY(-20px) rotate(3deg) scale(1.05);
    }
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    position: relative;
    z-index: 1;
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-title span {
    color: var(--primary-light);
    text-shadow: 0 0 15px var(--glow-red);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* HUD corner accents on sections */
.section::before,
.section::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid var(--accent);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
}

.section::before {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.section::after {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: rgba(255, 255, 255, 0.02);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    animation: floatCard 6s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(230, 50, 46, 0.15), transparent 60%);
    opacity: 0;
    transition: var(--transition);
}

.about-card:hover::before {
    opacity: 1;
}

.about-card:nth-child(2) {
    animation-delay: 2s;
}

.about-card:nth-child(3) {
    animation-delay: 4s;
}

.about-card:hover {
    transform: translateY(-10px);
    background: var(--bg-card-hover);
    border-color: var(--primary);
    animation-play-state: paused;
    box-shadow: 0 0 30px rgba(230, 50, 46, 0.3);
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.about-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent);
    background: radial-gradient(circle, rgba(230, 50, 46, 0.3), rgba(255, 209, 59, 0.15));
    border-radius: 50%;
    box-shadow: 0 0 20px var(--glow-red);
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* ============================================
   Skills Section
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(230, 50, 46, 0.3);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
    filter: drop-shadow(0 0 10px var(--glow-gold));
}

.skill-card:nth-child(2) .skill-icon { color: #ff6b6b; filter: drop-shadow(0 0 10px rgba(255,107,107,0.6)); }
.skill-card:nth-child(3) .skill-icon { color: #ffd93d; filter: drop-shadow(0 0 10px rgba(255,217,61,0.6)); }
.skill-card:nth-child(4) .skill-icon { color: #ff9d00; filter: drop-shadow(0 0 10px rgba(255,157,0,0.6)); }
.skill-card:nth-child(5) .skill-icon { color: #ff5a3c; filter: drop-shadow(0 0 10px rgba(255,90,60,0.6)); }
.skill-card:nth-child(6) .skill-icon { color: #ffd13b; filter: drop-shadow(0 0 10px rgba(255,209,59,0.6)); }

.skill-card h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
    position: relative;
    animation: fillBar 1.5s ease forwards;
    box-shadow: 0 0 12px var(--glow-red);
}

.skill-bar span::after {
    content: attr(data-label);
    position: absolute;
    right: 0;
    top: -25px;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
}

@keyframes fillBar {
    from { width: 0; }
}

/* ============================================
   Project Section
   ============================================ */
.project {
    background: rgba(255, 255, 255, 0.02);
}

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 30px rgba(230, 50, 46, 0.3);
    border-color: var(--primary);
}

.project-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--accent);
    background: radial-gradient(circle, rgba(230, 50, 46, 0.3), rgba(255, 209, 59, 0.15));
    filter: drop-shadow(0 0 15px var(--glow-gold));
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tags span {
    background: rgba(230, 50, 46, 0.2);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.2rem;
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--primary);
    transform: translateX(5px);
    box-shadow: 0 0 20px rgba(230, 50, 46, 0.25);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(230, 50, 46, 0.15);
    border-radius: 12px;
    box-shadow: inset 0 0 12px rgba(230, 50, 46, 0.2);
}

.contact-item h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.contact-item a {
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: inset 0 0 30px rgba(230, 50, 46, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(230, 50, 46, 0.1);
    box-shadow: 0 0 15px rgba(230, 50, 46, 0.2);
}

.form-group textarea {
    resize: vertical;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    background: rgba(10, 10, 15, 0.9);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 0 15px var(--glow-red);
}

/* ============================================
   CTA Banner Section
   ============================================ */
.cta-box {
    background: radial-gradient(circle at 20% 20%, rgba(230, 50, 46, 0.25), rgba(255, 209, 59, 0.1) 60%, transparent);
    border: 1px solid var(--primary);
    border-radius: 30px;
    padding: 3.5rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(230, 50, 46, 0.3), transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.cta-box::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 209, 59, 0.3), transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
}

.cta-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
    animation: floatIcon 3s ease-in-out infinite;
    filter: drop-shadow(0 0 15px var(--glow-gold));
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.cta-box h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-box p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.cta-buttons .btn i {
    margin-right: 0.4rem;
}

/* ============================================
   Floating WhatsApp Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    z-index: 999;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    transition: var(--transition);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float i {
    animation: floatIcon 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.7);
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 8px 35px rgba(37, 211, 102, 0.8);
    }
    100% {
        box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    }
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   J.A.R.V.I.S. Boot-up Overlay
   ============================================ */
#jarvis-boot {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#jarvis-boot.hide {
    opacity: 0;
    visibility: hidden;
}

.boot-inner {
    text-align: center;
}

.boot-arc {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: radial-gradient(circle, #ffd13b 0%, #ff9d00 30%, transparent 55%);
    position: relative;
    animation: bootPulse 1s ease-in-out infinite;
}

.boot-arc::before {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 209, 59, 0.7);
    animation: bootSpin 3s linear infinite;
}

.boot-arc::after {
    content: '';
    position: absolute;
    inset: 28px;
    border-radius: 50%;
    border: 2px solid rgba(230, 50, 46, 0.8);
    box-shadow: 0 0 25px var(--glow-gold), 0 0 50px var(--glow-red);
}

@keyframes bootPulse {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes bootSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.boot-text {
    font-size: 1.2rem;
    letter-spacing: 4px;
    color: var(--accent);
    text-shadow: 0 0 15px var(--glow-gold);
    text-transform: uppercase;
    animation: blink 1.2s step-end infinite;
}

/* ============================================
   Scroll Reveal Animation
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .hero-name {
        font-size: 2.8rem;
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .float-shape {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--bg-card);
        width: 70%;
        height: calc(100vh - 70px);
        padding: 2rem;
        gap: 1.5rem;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

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

    .nav-menu a {
        font-size: 1.1rem;
        display: block;
    }

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

    .hero-role {
        font-size: 1.4rem;
    }

    .section {
        padding: 4rem 0;
    }

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

    .float-shape {
        display: none;
    }

    .arc-reactor {
        width: 120px;
        height: 120px;
    }
}

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 80%;
        text-align: center;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-stats {
        gap: 2rem;
    }

    .cta-box {
        padding: 2.5rem 1.5rem;
    }

    .cta-box h2 {
        font-size: 1.6rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
        bottom: 20px;
        right: 20px;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .bubbles span,
    .float-shape,
    .about-card,
    .arc-reactor,
    .arc-reactor::before {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}