/* Theme: Aurora Borealis - Northern lights magic, ethereal greens and purples, cosmic wonder, midnight sky mystery */

@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: 75px;
}

body {
    font-family: 'Rajdhani', sans-serif;
    font-size: 18px;
    line-height: 1.68;
    color: #0a1628;
    background: linear-gradient(165deg, #e8f5e9 0%, #c8e6c9 20%, #a5d6a7 45%, #81c784 70%, #66bb6a 100%);
    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(ellipse at 20% 15%, rgba(126, 87, 194, 0.15) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 85%, rgba(79, 195, 247, 0.13) 0%, transparent 52%),
        radial-gradient(ellipse at 45% 60%, rgba(102, 187, 106, 0.11) 0%, transparent 48%);
    pointer-events: none;
    z-index: 0;
    animation: auroraWave 22s ease-in-out infinite;
}

@keyframes auroraWave {
    0%, 100% { 
        opacity: 0.6; 
        transform: translateX(0) translateY(0) scale(1); 
    }
    35% { 
        opacity: 0.85; 
        transform: translateX(25px) translateY(-20px) scale(1.08); 
    }
    68% { 
        opacity: 0.7; 
        transform: translateX(-18px) translateY(22px) scale(0.94); 
    }
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(90deg, transparent, transparent 12px, rgba(126, 87, 194, 0.018) 12px, rgba(126, 87, 194, 0.018) 24px);
    pointer-events: none;
    z-index: 0;
}

#topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(232, 245, 233, 0.91);
    backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 2.5px solid rgba(102, 187, 106, 0.32);
    box-shadow: 0 4px 22px rgba(10, 22, 40, 0.085);
    transition: all 0.38s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#topnav.scrolled {
    background: rgba(232, 245, 233, 0.96);
    box-shadow: 0 8px 32px rgba(10, 22, 40, 0.135);
    border-bottom-width: 3px;
}

.nav-container {
    max-width: 1420px;
    margin: 0 auto;
    padding: 0 3.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.logo h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.58rem;
    font-weight: 800;
    color: #1b5e20;
    margin: 0;
    letter-spacing: 1.8px;
    position: relative;
    text-transform: uppercase;
    text-shadow: 0 2px 12px rgba(27, 94, 32, 0.22);
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 55%;
    height: 3.5px;
    background: linear-gradient(90deg, #43a047 0%, #66bb6a 100%);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(67, 160, 71, 0.4);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-menu li a {
    display: block;
    padding: 0.68rem 1.35rem;
    color: #2e7d32;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    letter-spacing: 0.65px;
    border-radius: 18px;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2.5px;
    background: linear-gradient(90deg, #43a047 0%, #7e57c2 100%);
    transition: width 0.32s ease;
    border-radius: 2px;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(67, 160, 71, 0.15) 0%, rgba(126, 87, 194, 0.12) 100%);
    opacity: 0;
    transition: opacity 0.32s ease;
    border-radius: 18px;
}

.nav-menu li a:hover::before,
.nav-menu li a.active::before {
    width: 58%;
}

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

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #1b5e20;
}

.mobile-toggle {
    display: none;
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    border: none;
    color: #ffffff;
    font-size: 1.38rem;
    width: 52px;
    height: 52px;
    cursor: pointer;
    transition: all 0.32s ease;
    box-shadow: 0 6px 22px rgba(67, 160, 71, 0.38);
    border-radius: 18px;
}

.mobile-toggle:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 10px 28px rgba(67, 160, 71, 0.48);
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 95px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -22%;
    right: -14%;
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(126, 87, 194, 0.24) 0%, transparent 65%);
    border-radius: 50%;
    animation: auroraFloat 32s ease-in-out infinite;
    filter: blur(68px);
}

#hero::after {
    content: '';
    position: absolute;
    bottom: -26%;
    left: -11%;
    width: 570px;
    height: 570px;
    background: radial-gradient(circle, rgba(79, 195, 247, 0.21) 0%, transparent 65%);
    border-radius: 50%;
    animation: auroraFloat 38s ease-in-out infinite reverse;
    filter: blur(68px);
}

@keyframes auroraFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.55;
    }
    42% {
        transform: translate(35px, -42px) scale(1.08);
        opacity: 0.82;
    }
    74% {
        transform: translate(-30px, 36px) scale(0.93);
        opacity: 0.66;
    }
}

.hero-content {
    max-width: 1420px;
    margin: 0 auto;
    padding: 0 3.5rem;
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 6.8rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInGlow 1.18s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes fadeInGlow {
    0% {
        opacity: 0;
        transform: translateY(38px) scale(0.96);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-text h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 5.15rem;
    font-weight: 800;
    line-height: 1.04;
    margin-bottom: 2.55rem;
    color: #1b5e20;
    letter-spacing: -1.2px;
    text-shadow: 0 4px 18px rgba(27, 94, 32, 0.16);
    text-transform: uppercase;
}

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

.hero-subtitle {
    font-size: 1.48rem;
    color: #2e7d32;
    margin-bottom: 3.75rem;
    line-height: 1.62;
    font-weight: 500;
    letter-spacing: 0.35px;
}

.hero-buttons {
    display: flex;
    gap: 2.25rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.45rem 3.55rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-size: 1.05rem;
    letter-spacing: 0.85px;
    position: relative;
    overflow: hidden;
    border-radius: 25px;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.32);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    transition: width 0.68s ease, height 0.68s ease;
}

.btn:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary {
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    color: #ffffff;
    box-shadow: 0 10px 32px rgba(67, 160, 71, 0.42);
    border: 2px solid rgba(102, 187, 106, 0.28);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 42px rgba(67, 160, 71, 0.52);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.94);
    color: #43a047;
    border: 2px solid #66bb6a;
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.075);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #7e57c2 0%, #9575cd 100%);
    color: #ffffff;
    border-color: #7e57c2;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 14px 36px rgba(126, 87, 194, 0.45);
}

.hero-image {
    animation: fadeInGlow 1.18s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.22s both;
}

.profile-card {
    background: rgba(255, 255, 255, 0.89);
    backdrop-filter: blur(22px);
    padding: 3.15rem;
    box-shadow: 
        0 18px 62px rgba(67, 160, 71, 0.24),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.48s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    border: 2.5px solid rgba(102, 187, 106, 0.32);
    border-radius: 28px;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #43a047 0%, #7e57c2 50%, #4fc3f7 100%);
    border-radius: 28px 28px 0 0;
}

.profile-card:hover {
    transform: translateY(-14px) scale(1.018);
    box-shadow: 
        0 32px 85px rgba(67, 160, 71, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.profile-card img {
    width: 100%;
    margin-bottom: 2.45rem;
    box-shadow: 0 14px 48px rgba(10, 22, 40, 0.2);
    border: 3px solid rgba(102, 187, 106, 0.32);
    border-radius: 22px;
}

.profile-details h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.35rem;
    margin-bottom: 0.72rem;
    color: #1b5e20;
    font-weight: 800;
    letter-spacing: 0.45px;
    text-transform: uppercase;
}

.profile-details p {
    color: #2e7d32;
    margin-bottom: 2.45rem;
    line-height: 1.62;
    font-weight: 500;
}

.social-links a {
    display: inline-block;
    padding: 1.25rem 3.15rem;
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.85px;
    transition: all 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 10px 32px rgba(67, 160, 71, 0.42);
    border-radius: 20px;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
}

.social-links a:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 42px rgba(67, 160, 71, 0.52);
}

section {
    padding: 115px 0;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1420px;
    margin: 0 auto;
    padding: 0 3.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 5.85rem;
    position: relative;
}

.section-header::before {
    content: '✦';
    position: absolute;
    top: -68px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2.48rem;
    color: #7e57c2;
    opacity: 0.52;
    animation: auroraPulse 7s ease-in-out infinite;
}

@keyframes auroraPulse {
    0%, 100% { transform: translateX(-50%) translateY(0) scale(1); opacity: 0.52; }
    50% { transform: translateX(-50%) translateY(-12px) scale(1.18); opacity: 0.82; }
}

.section-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4.65rem;
    font-weight: 800;
    line-height: 1.08;
    color: #1b5e20;
    letter-spacing: -1.05px;
    position: relative;
    display: inline-block;
    text-shadow: 0 4px 18px rgba(27, 94, 32, 0.16);
    text-transform: uppercase;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    width: 105px;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, #43a047 22%, #7e57c2 50%, #4fc3f7 78%, transparent 100%);
    border-radius: 4px;
}

#experience {
    background: rgba(255, 255, 255, 0.62);
    backdrop-filter: blur(38px);
}

.timeline {
    position: relative;
    max-width: 1260px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 145px;
    top: 0;
    bottom: 0;
    width: 3.8px;
    background: linear-gradient(180deg, #43a047 0%, #7e57c2 50%, #4fc3f7 100%);
    border-radius: 4px;
    opacity: 0.55;
}

.timeline-item {
    display: grid;
    grid-template-columns: 285px 1fr;
    gap: 5.15rem;
    margin-bottom: 5.35rem;
    position: relative;
}

.timeline-year {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.68rem;
    font-weight: 800;
    color: #43a047;
    position: relative;
    z-index: 2;
    text-align: right;
    padding-right: 3.15rem;
    letter-spacing: 0.55px;
    text-shadow: 0 4px 16px rgba(67, 160, 71, 0.22);
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -64px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 17px;
    height: 17px;
    background: #7e57c2;
    border: 4.5px solid rgba(255, 255, 255, 0.96);
    box-shadow: 
        0 0 0 8.5px rgba(126, 87, 194, 0.2),
        0 6px 20px rgba(126, 87, 194, 0.45);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(20px);
    padding: 3.45rem;
    border-left: 5px solid #43a047;
    transition: all 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 12px 42px rgba(67, 160, 71, 0.18);
    border-radius: 22px;
    border: 2.5px solid rgba(102, 187, 106, 0.26);
    border-left: 5px solid #43a047;
}

.timeline-content:hover {
    transform: translateX(16px);
    box-shadow: 0 22px 62px rgba(67, 160, 71, 0.3);
    border-left-width: 7.5px;
}

.timeline-content h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.35rem;
    margin-bottom: 0.72rem;
    color: #1b5e20;
    font-weight: 800;
    letter-spacing: 0.42px;
}

.timeline-content h4 {
    color: #43a047;
    font-size: 1.28rem;
    margin-bottom: 1.72rem;
    font-weight: 700;
    letter-spacing: 0.35px;
    text-transform: uppercase;
}

.timeline-content p {
    color: #2e7d32;
    line-height: 1.68;
    margin: 0;
}

.timeline-content a {
    color: #43a047;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 2.5px solid transparent;
    transition: all 0.32s ease;
}

.timeline-content a:hover {
    border-bottom-color: #43a047;
}

#ai {
    background: linear-gradient(180deg, rgba(200, 230, 201, 0.52) 0%, rgba(165, 214, 167, 0.52) 100%);
    backdrop-filter: blur(38px);
}

.ai-projects {
    display: grid;
    gap: 4.65rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(20px);
    padding: 4.15rem;
    transition: all 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    box-shadow: 0 14px 52px rgba(67, 160, 71, 0.2);
    border: 2.5px solid rgba(102, 187, 106, 0.32);
    border-radius: 26px;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #43a047 0%, #7e57c2 50%, #4fc3f7 100%);
    border-radius: 26px 26px 0 0;
}

.project-card:hover {
    transform: translateY(-14px);
    box-shadow: 0 28px 82px rgba(67, 160, 71, 0.32);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    margin-bottom: 1.48rem;
}

.project-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.88rem;
    color: #1b5e20;
    margin: 0;
    font-weight: 800;
    letter-spacing: 0.48px;
    text-transform: uppercase;
}

.project-client {
    color: #43a047;
    font-weight: 700;
    font-size: 1.22rem;
    margin-bottom: 2.35rem;
    letter-spacing: 0.35px;
    text-transform: uppercase;
}

.project-card > p {
    color: #2e7d32;
    line-height: 1.68;
    margin-bottom: 2.75rem;
}

.project-impact {
    background: linear-gradient(135deg, rgba(67, 160, 71, 0.14) 0%, rgba(126, 87, 194, 0.11) 100%);
    padding: 2.35rem;
    border-left: 5px solid #7e57c2;
    color: #1b5e20;
    line-height: 1.68;
    border-radius: 16px;
}

.project-impact strong {
    color: #43a047;
    font-weight: 700;
}

#speaking {
    background: rgba(255, 255, 255, 0.66);
    backdrop-filter: blur(38px);
}

.speaking-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4.65rem;
}

.year-section {
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(20px);
    padding: 3.75rem;
    transition: all 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 14px 48px rgba(67, 160, 71, 0.19);
    border: 2.5px solid rgba(102, 187, 106, 0.32);
    border-radius: 26px;
}

.year-section:hover {
    transform: translateY(-14px);
    box-shadow: 0 26px 72px rgba(67, 160, 71, 0.29);
}

.year-section h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.15rem;
    margin-bottom: 2.75rem;
    color: #43a047;
    text-align: center;
    padding-bottom: 1.92rem;
    border-bottom: 3px solid rgba(102, 187, 106, 0.32);
    font-weight: 800;
    letter-spacing: 0.48px;
    text-transform: uppercase;
}

.year-section.books {
    grid-column: span 2;
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    border: none;
    box-shadow: 0 22px 68px rgba(67, 160, 71, 0.45);
}

.year-section.books h3 {
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.32);
}

.achievements {
    list-style: none;
}

.achievements li {
    padding: 1.38rem 0;
    color: #2e7d32;
    border-bottom: 2.5px solid rgba(102, 187, 106, 0.18);
    line-height: 1.68;
    position: relative;
    padding-left: 2.85rem;
}

.achievements li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: #7e57c2;
    font-size: 1.92rem;
}

.year-section.books .achievements li {
    color: rgba(255, 255, 255, 0.96);
    border-bottom-color: rgba(255, 255, 255, 0.28);
}

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

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

.achievements strong {
    color: #1b5e20;
    font-weight: 700;
}

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

#personal {
    background: linear-gradient(180deg, rgba(165, 214, 167, 0.52) 0%, rgba(200, 230, 201, 0.68) 100%);
    backdrop-filter: blur(38px);
}

#contact {
    background: rgba(255, 255, 255, 0.68);
    backdrop-filter: blur(38px);
}

.contact-card {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(26px);
    padding: 7.05rem 6.15rem;
    text-align: center;
    box-shadow: 0 26px 82px rgba(67, 160, 71, 0.28);
    max-width: 1160px;
    margin: 0 auto;
    border: 2.5px solid rgba(102, 187, 106, 0.36);
    position: relative;
    border-radius: 35px;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, transparent 0%, #43a047 18%, #7e57c2 50%, #4fc3f7 82%, transparent 100%);
    border-radius: 35px 35px 0 0;
}

.contact-card h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 5.25rem;
    margin-bottom: 2.75rem;
    color: #1b5e20;
    font-weight: 800;
    letter-spacing: -1.15px;
    text-shadow: 0 4px 18px rgba(27, 94, 32, 0.16);
    text-transform: uppercase;
}

.contact-card > p {
    font-size: 1.45rem;
    color: #2e7d32;
    line-height: 1.68;
    margin-bottom: 4.65rem;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3.15rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1.72rem;
    padding: 1.88rem 4.65rem;
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.85px;
    transition: all 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 14px 42px rgba(67, 160, 71, 0.42);
    position: relative;
    overflow: hidden;
    border-radius: 26px;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.32);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    transition: width 0.68s ease, height 0.68s ease;
}

.contact-link:hover::before {
    width: 400px;
    height: 400px;
}

.contact-link:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 22px 58px rgba(67, 160, 71, 0.55);
}

.contact-link .icon {
    font-size: 1.88rem;
}

#footer {
    background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 100%);
    backdrop-filter: blur(20px);
    padding: 4.65rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.78);
    border-top: 3px solid rgba(102, 187, 106, 0.32);
}

#footer a {
    color: #66bb6a;
    text-decoration: none;
    transition: color 0.32s ease;
    font-weight: 700;
}

#footer a:hover {
    color: #ffffff;
}

@media screen and (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 5.55rem;
        text-align: center;
    }

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

    .hero-image {
        max-width: 595px;
        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 2.75rem;
        height: 72px;
    }

    html {
        scroll-padding-top: 72px;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(232, 245, 233, 0.98);
        backdrop-filter: blur(26px);
        flex-direction: column;
        padding: 4.15rem;
        gap: 0;
        box-shadow: 0 26px 75px rgba(67, 160, 71, 0.32);
        transform: translateY(-150%);
        transition: transform 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        border-bottom: 3px solid rgba(102, 187, 106, 0.32);
    }

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

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

    .nav-menu li a {
        width: 100%;
        text-align: center;
        padding: 1.48rem;
        border-bottom: 2.5px solid rgba(102, 187, 106, 0.15);
    }

    .mobile-toggle {
        display: block;
    }

    .hero-text h1 {
        font-size: 3.85rem;
    }

    .section-header h2 {
        font-size: 3.65rem;
    }

    .timeline::before {
        left: 28px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 2.75rem;
        margin-bottom: 5.25rem;
        padding-left: 6.15rem;
    }

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

    .timeline-year::after {
        left: -64px;
        right: auto;
    }

    .contact-card {
        padding: 6.15rem 4.65rem;
    }
}

@media screen and (max-width: 600px) {
    .container {
        padding: 0 2.25rem;
    }

    .nav-container {
        padding: 0 2.25rem;
        height: 68px;
    }

    html {
        scroll-padding-top: 68px;
    }

    #hero {
        padding: 132px 0 90px;
    }

    .hero-text h1 {
        font-size: 2.95rem;
    }

    .hero-subtitle {
        font-size: 1.22rem;
    }

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

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

    section {
        padding: 95px 0;
    }

    .section-header {
        margin-bottom: 4.65rem;
    }

    .section-header h2 {
        font-size: 2.85rem;
    }

    .profile-card {
        padding: 2.75rem;
    }

    .timeline-item {
        padding-left: 4.65rem;
    }

    .timeline-content {
        padding: 2.85rem;
    }

    .project-card {
        padding: 3.55rem 2.75rem;
    }

    .contact-card {
        padding: 5.25rem 2.75rem;
    }

    .contact-card h2 {
        font-size: 3.85rem;
    }

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

    .contact-link {
        justify-content: center;
        padding: 1.48rem 2.85rem;
        font-size: 1rem;
    }
}