/* Theme: X-Ray - Medical imaging aesthetic, skeletal structures, radiation symbols, diagnostic screens, monochrome contrast */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
}

body {
    font-family: 'Rajdhani', sans-serif;
    font-size: 19px;
    line-height: 1.75;
    color: #e8e8e8;
    background: #0d0d0d;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(50, 255, 150, 0.03) 2px, rgba(50, 255, 150, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(50, 255, 150, 0.03) 2px, rgba(50, 255, 150, 0.03) 4px);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 35%, rgba(50, 255, 150, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 80% 65%, rgba(100, 255, 200, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(75, 255, 175, 0.04) 0%, transparent 55%);
    pointer-events: none;
    z-index: 0;
    animation: scanPulse 12s ease-in-out infinite;
}

@keyframes scanPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(50, 255, 150, 0.02) 50%, transparent 100%);
    pointer-events: none;
    z-index: 0;
    animation: verticalScan 8s linear infinite;
}

@keyframes verticalScan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

#topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid #32ff96;
    box-shadow: 0 4px 25px rgba(50, 255, 150, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#topnav.scrolled {
    background: rgba(13, 13, 13, 0.97);
    box-shadow: 0 8px 35px rgba(50, 255, 150, 0.4);
}

.nav-container {
    max-width: 1550px;
    margin: 0 auto;
    padding: 0 3.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 85px;
}

.logo h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #32ff96;
    margin: 0;
    letter-spacing: 3px;
    position: relative;
    text-shadow: 0 0 15px rgba(50, 255, 150, 0.8);
    text-transform: uppercase;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, #32ff96 0%, transparent 100%);
    box-shadow: 0 0 8px rgba(50, 255, 150, 0.6);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.2rem;
}

.nav-menu li a {
    display: block;
    padding: 0.85rem 1.8rem;
    color: #a8a8a8;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.35s ease;
    position: relative;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
    border: 1px solid transparent;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(50, 255, 150, 0.05);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #32ff96;
    transition: width 0.35s ease;
    box-shadow: 0 0 8px rgba(50, 255, 150, 0.8);
}

.nav-menu li a:hover::before,
.nav-menu li a.active::before {
    opacity: 1;
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 80%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #32ff96;
    text-shadow: 0 0 12px rgba(50, 255, 150, 0.7);
    border-color: rgba(50, 255, 150, 0.3);
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: 2px solid #32ff96;
    color: #32ff96;
    font-size: 1.7rem;
    width: 58px;
    height: 58px;
    cursor: pointer;
    transition: all 0.35s ease;
    box-shadow: 0 0 20px rgba(50, 255, 150, 0.4);
    font-family: 'Orbitron', sans-serif;
}

.mobile-toggle:hover {
    background: rgba(50, 255, 150, 0.15);
    box-shadow: 0 0 30px rgba(50, 255, 150, 0.6);
    transform: scale(1.06);
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 160px 0 110px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -15%;
    width: 720px;
    height: 720px;
    background: radial-gradient(circle, rgba(50, 255, 150, 0.15) 0%, transparent 65%);
    border-radius: 50%;
    animation: radiationPulse 20s ease-in-out infinite;
    filter: blur(55px);
}

#hero::after {
    content: '';
    position: absolute;
    bottom: -25%;
    left: -12%;
    width: 680px;
    height: 680px;
    background: radial-gradient(circle, rgba(100, 255, 200, 0.12) 0%, transparent 65%);
    border-radius: 50%;
    animation: radiationPulse 26s ease-in-out infinite reverse;
    filter: blur(55px);
}

@keyframes radiationPulse {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(40px, -50px) scale(1.12);
        opacity: 1;
    }
}

.hero-content {
    max-width: 1550px;
    margin: 0 auto;
    padding: 0 3.8rem;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 6.8rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: diagnose 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes diagnose {
    0% {
        opacity: 0;
        transform: translateX(-60px);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
        filter: blur(0);
    }
}

.hero-text h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 5.2rem;
    font-weight: 900;
    line-height: 1.08;
    margin-bottom: 2.4rem;
    color: #ffffff;
    letter-spacing: -1px;
    text-shadow: 0 0 25px rgba(50, 255, 150, 0.5);
    text-transform: uppercase;
}

.hero-text h1 br {
    display: block;
}

.hero-subtitle {
    font-size: 1.65rem;
    color: #b8b8b8;
    margin-bottom: 3.6rem;
    line-height: 1.65;
    font-weight: 500;
    letter-spacing: 1px;
    font-family: 'Orbitron', sans-serif;
}

.hero-buttons {
    display: flex;
    gap: 2.1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.4rem 3.4rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.05rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    font-family: 'Orbitron', sans-serif;
    border: 2px solid;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: transparent;
    color: #32ff96;
    border-color: #32ff96;
    box-shadow: 0 0 25px rgba(50, 255, 150, 0.4), inset 0 0 25px rgba(50, 255, 150, 0.1);
}

.btn-primary:hover {
    background: rgba(50, 255, 150, 0.2);
    box-shadow: 0 0 40px rgba(50, 255, 150, 0.7), inset 0 0 40px rgba(50, 255, 150, 0.2);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3), inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #32ff96;
    border-color: #32ff96;
    box-shadow: 0 0 35px rgba(50, 255, 150, 0.6), inset 0 0 35px rgba(50, 255, 150, 0.15);
    transform: translateY(-3px);
}

.hero-image {
    animation: diagnose 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.profile-card {
    background: rgba(20, 20, 20, 0.85);
    backdrop-filter: blur(15px);
    padding: 2.8rem;
    box-shadow: 
        0 0 40px rgba(50, 255, 150, 0.3),
        inset 0 0 60px rgba(50, 255, 150, 0.05);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 2px solid rgba(50, 255, 150, 0.4);
}

.profile-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #32ff96, #64ffc8, #32ff96, #64ffc8);
    z-index: -1;
    filter: blur(10px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.profile-card:hover::before {
    opacity: 0.6;
}

.profile-card:hover {
    transform: translateY(-12px);
    box-shadow: 
        0 0 60px rgba(50, 255, 150, 0.5),
        inset 0 0 80px rgba(50, 255, 150, 0.1);
}

.profile-card img {
    width: 100%;
    margin-bottom: 2.4rem;
    box-shadow: 0 0 30px rgba(50, 255, 150, 0.3);
    border: 2px solid rgba(50, 255, 150, 0.5);
    filter: grayscale(0.7) contrast(1.2);
}

.profile-details h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.3rem;
    margin-bottom: 0.8rem;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.profile-details p {
    color: #b8b8b8;
    margin-bottom: 2.4rem;
    line-height: 1.65;
    font-weight: 500;
}

.social-links a {
    display: inline-block;
    padding: 1.2rem 3.1rem;
    background: transparent;
    color: #32ff96;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 25px rgba(50, 255, 150, 0.4), inset 0 0 25px rgba(50, 255, 150, 0.1);
    border: 2px solid #32ff96;
    font-family: 'Orbitron', sans-serif;
}

.social-links a:hover {
    background: rgba(50, 255, 150, 0.2);
    box-shadow: 0 0 40px rgba(50, 255, 150, 0.7), inset 0 0 40px rgba(50, 255, 150, 0.2);
    transform: translateY(-3px);
}

section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1550px;
    margin: 0 auto;
    padding: 0 3.8rem;
}

.section-header {
    text-align: center;
    margin-bottom: 5.8rem;
    position: relative;
}

.section-header::before {
    content: '⚛';
    position: absolute;
    top: -58px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3.2rem;
    color: #32ff96;
    opacity: 0.5;
    text-shadow: 0 0 20px rgba(50, 255, 150, 0.8);
    animation: atomSpin 6s linear infinite;
}

@keyframes atomSpin {
    0% { transform: translateX(-50%) rotate(0deg); }
    100% { transform: translateX(-50%) rotate(360deg); }
}

.section-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4.6rem;
    font-weight: 900;
    line-height: 1.15;
    color: #ffffff;
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
    text-shadow: 0 0 25px rgba(50, 255, 150, 0.4);
    text-transform: uppercase;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, #32ff96 50%, transparent 100%);
    box-shadow: 0 0 12px rgba(50, 255, 150, 0.8);
}

#experience {
    background: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(25px);
}

.timeline {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 130px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #32ff96 0%, #64ffc8 50%, #32ff96 100%);
    box-shadow: 0 0 15px rgba(50, 255, 150, 0.7);
}

.timeline-item {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 5.2rem;
    margin-bottom: 5.2rem;
    position: relative;
}

.timeline-year {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.4rem;
    font-weight: 900;
    color: #32ff96;
    position: relative;
    z-index: 2;
    text-align: right;
    padding-right: 2.8rem;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(50, 255, 150, 0.7);
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -63px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: #32ff96;
    border: 5px solid rgba(13, 13, 13, 0.95);
    box-shadow: 
        0 0 0 8px rgba(50, 255, 150, 0.3),
        0 0 20px rgba(50, 255, 150, 0.9);
    border-radius: 50%;
}

.timeline-content {
    background: rgba(20, 20, 20, 0.7);
    backdrop-filter: blur(15px);
    padding: 3.1rem;
    border-left: 4px solid #32ff96;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 30px rgba(50, 255, 150, 0.2);
    border: 1px solid rgba(50, 255, 150, 0.3);
    border-left: 4px solid #32ff96;
}

.timeline-content:hover {
    transform: translateX(15px);
    box-shadow: 0 0 50px rgba(50, 255, 150, 0.4);
    border-left-width: 6px;
}

.timeline-content h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 0.7rem;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.timeline-content h4 {
    color: #32ff96;
    font-size: 1.25rem;
    margin-bottom: 1.6rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}

.timeline-content p {
    color: #b8b8b8;
    line-height: 1.75;
    margin: 0;
}

.timeline-content a {
    color: #32ff96;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.timeline-content a:hover {
    border-bottom-color: #32ff96;
    text-shadow: 0 0 10px rgba(50, 255, 150, 0.7);
}

#ai {
    background: linear-gradient(180deg, rgba(30, 30, 30, 0.5) 0%, rgba(20, 20, 20, 0.5) 100%);
    backdrop-filter: blur(25px);
}

.ai-projects {
    display: grid;
    gap: 4.2rem;
}

.project-card {
    background: rgba(20, 20, 20, 0.75);
    backdrop-filter: blur(15px);
    padding: 3.6rem;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 0 35px rgba(50, 255, 150, 0.25);
    border: 1px solid rgba(50, 255, 150, 0.3);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #32ff96 0%, #64ffc8 50%, #32ff96 100%);
    box-shadow: 0 0 15px rgba(50, 255, 150, 0.8);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 60px rgba(50, 255, 150, 0.45);
    border-color: rgba(50, 255, 150, 0.6);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 2.1rem;
    margin-bottom: 1.5rem;
}

.project-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.6rem;
    color: #ffffff;
    margin: 0;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.project-client {
    color: #32ff96;
    font-weight: 700;
    font-size: 1.22rem;
    margin-bottom: 2.3rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}

.project-card > p {
    color: #b8b8b8;
    line-height: 1.75;
    margin-bottom: 2.6rem;
}

.project-impact {
    background: rgba(50, 255, 150, 0.08);
    padding: 2.1rem;
    border-left: 4px solid #32ff96;
    color: #e8e8e8;
    line-height: 1.75;
    border: 1px solid rgba(50, 255, 150, 0.2);
    border-left: 4px solid #32ff96;
    box-shadow: inset 0 0 20px rgba(50, 255, 150, 0.1);
}

.project-impact strong {
    color: #32ff96;
    font-weight: 700;
}

#speaking {
    background: rgba(20, 20, 20, 0.45);
    backdrop-filter: blur(25px);
}

.speaking-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4.2rem;
}

.year-section {
    background: rgba(20, 20, 20, 0.75);
    backdrop-filter: blur(15px);
    padding: 3.4rem;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 35px rgba(50, 255, 150, 0.2);
    border: 1px solid rgba(50, 255, 150, 0.3);
}

.year-section:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 55px rgba(50, 255, 150, 0.4);
    border-color: rgba(50, 255, 150, 0.6);
}

.year-section h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    margin-bottom: 2.6rem;
    color: #32ff96;
    text-align: center;
    padding-bottom: 1.9rem;
    border-bottom: 2px solid rgba(50, 255, 150, 0.3);
    font-weight: 900;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(50, 255, 150, 0.5);
    text-transform: uppercase;
}

.year-section.books {
    grid-column: span 2;
    background: rgba(50, 255, 150, 0.15);
    border: 2px solid #32ff96;
    box-shadow: 0 0 50px rgba(50, 255, 150, 0.4);
}

.year-section.books h3 {
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.3);
    text-shadow: 0 0 20px rgba(50, 255, 150, 0.8);
}

.achievements {
    list-style: none;
}

.achievements li {
    padding: 1.35rem 0;
    color: #b8b8b8;
    border-bottom: 1px solid rgba(50, 255, 150, 0.15);
    line-height: 1.75;
    position: relative;
    padding-left: 2.8rem;
}

.achievements li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #32ff96;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(50, 255, 150, 0.7);
}

.year-section.books .achievements li {
    color: #e8e8e8;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.year-section.books .achievements li::before {
    color: #ffffff;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
}

.achievements li:last-child {
    border-bottom: none;
}

.achievements strong {
    color: #ffffff;
    font-weight: 700;
}

.year-section.books .achievements strong {
    color: #ffffff;
}

#personal {
    background: linear-gradient(180deg, rgba(20, 20, 20, 0.4) 0%, rgba(30, 30, 30, 0.6) 100%);
    backdrop-filter: blur(25px);
}

#contact {
    background: rgba(20, 20, 20, 0.5);
    backdrop-filter: blur(25px);
}

.contact-card {
    background: rgba(20, 20, 20, 0.85);
    backdrop-filter: blur(18px);
    padding: 6.2rem 5.2rem;
    text-align: center;
    box-shadow: 0 0 60px rgba(50, 255, 150, 0.35);
    max-width: 1120px;
    margin: 0 auto;
    border: 2px solid rgba(50, 255, 150, 0.4);
    position: relative;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, transparent 0%, #32ff96 25%, #64ffc8 50%, #32ff96 75%, transparent 100%);
    box-shadow: 0 0 20px rgba(50, 255, 150, 0.8);
}

.contact-card h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4.8rem;
    margin-bottom: 2.7rem;
    color: #ffffff;
    font-weight: 900;
    letter-spacing: 3px;
    text-shadow: 0 0 30px rgba(50, 255, 150, 0.5);
    text-transform: uppercase;
}

.contact-card > p {
    font-size: 1.42rem;
    color: #b8b8b8;
    line-height: 1.75;
    margin-bottom: 4.3rem;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3.1rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    padding: 1.7rem 3.9rem;
    background: transparent;
    color: #32ff96;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 35px rgba(50, 255, 150, 0.4), inset 0 0 35px rgba(50, 255, 150, 0.1);
    border: 2px solid #32ff96;
    position: relative;
    overflow: hidden;
    font-family: 'Orbitron', sans-serif;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link:hover {
    background: rgba(50, 255, 150, 0.2);
    box-shadow: 0 0 50px rgba(50, 255, 150, 0.7), inset 0 0 50px rgba(50, 255, 150, 0.2);
    transform: translateY(-4px);
}

.contact-link .icon {
    font-size: 1.85rem;
}

#footer {
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 100%);
    backdrop-filter: blur(15px);
    padding: 4.1rem 0;
    text-align: center;
    color: rgba(184, 184, 184, 0.8);
    border-top: 2px solid rgba(50, 255, 150, 0.3);
}

#footer a {
    color: #32ff96;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 700;
}

#footer a:hover {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(50, 255, 150, 0.8);
}

@media screen and (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 5.2rem;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        max-width: 590px;
        margin: 0 auto;
    }

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

    .year-section.books {
        grid-column: span 1;
    }
}

@media screen and (max-width: 900px) {
    .nav-container {
        padding: 0 2.5rem;
        height: 80px;
    }

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

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(13, 13, 13, 0.98);
        backdrop-filter: blur(18px);
        flex-direction: column;
        padding: 3.6rem;
        gap: 0;
        box-shadow: 0 25px 60px rgba(50, 255, 150, 0.3);
        transform: translateY(-150%);
        transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 2px solid rgba(50, 255, 150, 0.3);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        width: 100%;
        text-align: center;
        padding: 1.5rem;
        border-bottom: 1px solid rgba(50, 255, 150, 0.15);
    }

    .mobile-toggle {
        display: block;
    }

    .hero-text h1 {
        font-size: 3.8rem;
    }

    .section-header h2 {
        font-size: 3.6rem;
    }

    .timeline::before {
        left: 27px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 2.7rem;
        margin-bottom: 5rem;
        padding-left: 5.8rem;
    }

    .timeline-year {
        text-align: left;
        padding-right: 0;
    }

    .timeline-year::after {
        left: -53px;
        right: auto;
    }

    .contact-card {
        padding: 5.2rem 3.9rem;
    }
}

@media screen and (max-width: 600px) {
    .container {
        padding: 0 2rem;
    }

    .nav-container {
        padding: 0 2rem;
        height: 75px;
    }

    html {
        scroll-padding-top: 75px;
    }

    #hero {
        padding: 120px 0 92px;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.32rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    section {
        padding: 92px 0;
    }

    .section-header {
        margin-bottom: 4.8rem;
    }

    .section-header h2 {
        font-size: 2.8rem;
    }

    .profile-card {
        padding: 2.5rem;
    }

    .timeline-item {
        padding-left: 4.6rem;
    }

    .timeline-content {
        padding: 2.7rem;
    }

    .project-card {
        padding: 3.1rem 2.5rem;
    }

    .contact-card {
        padding: 4.9rem 2.5rem;
    }

    .contact-card h2 {
        font-size: 3.6rem;
    }

    .contact-info {
        flex-direction: column;
    }

    .contact-link {
        justify-content: center;
        padding: 1.4rem 2.9rem;
        font-size: 0.97rem;
    }
}