/* Theme: Aviator - Day 1, letter A: Inspired by vintage aviation, pilot goggles, leather cockpits, aircraft instruments, altitude meters, flight maps, propeller planes, sky navigation, golden age of flight */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&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: 78px;
}

body {
    font-family: 'Rajdhani', sans-serif;
    font-size: 17.2px;
    line-height: 1.68;
    color: #2d2318;
    background: linear-gradient(158deg, #faf8f5 0%, #f5ede1 22%, #ede4d3 44%, #f0e8d8 66%, #faf8f5 88%);
    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 18% 24%, rgba(184, 134, 11, 0.048) 0%, transparent 54%),
        radial-gradient(circle at 82% 76%, rgba(139, 90, 43, 0.042) 0%, transparent 56%),
        radial-gradient(circle at 44% 48%, rgba(160, 82, 45, 0.038) 0%, transparent 48%);
    pointer-events: none;
    z-index: 0;
    animation: propellerSpin 38s ease-in-out infinite;
}

@keyframes propellerSpin {
    0%, 100% {
        opacity: 0.76;
        transform: rotate(0deg) scale(1);
    }
    50% {
        opacity: 0.92;
        transform: rotate(2deg) scale(1.05);
    }
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(52deg, transparent 0px, rgba(184, 134, 11, 0.016) 1px, transparent 2.6px, transparent 118px),
        repeating-linear-gradient(-38deg, transparent 0px, rgba(139, 90, 43, 0.013) 1px, transparent 2.3px, transparent 124px);
    background-size: 116px 122px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.48;
}

#topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.94);
    backdrop-filter: blur(22px) saturate(168%);
    border-bottom: 2.6px solid rgba(184, 134, 11, 0.26);
    box-shadow: 0 3px 26px rgba(45, 35, 24, 0.08);
    transition: all 0.42s cubic-bezier(0.23, 0.64, 0.38, 0.98);
}

#topnav.scrolled {
    background: rgba(250, 248, 245, 0.97);
    box-shadow: 0 5px 34px rgba(45, 35, 24, 0.12);
    border-bottom-width: 3px;
}

.nav-container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 3.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 78px;
}

.logo h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.86rem;
    font-weight: 400;
    color: #5d3a1a;
    margin: 0;
    letter-spacing: 2.4px;
    position: relative;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 58px;
    height: 3.2px;
    background: linear-gradient(90deg, #b8860b 0%, #8b5a2b 100%);
    clip-path: polygon(0 0, 92% 0, 100% 100%, 8% 100%);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-menu li a {
    display: block;
    padding: 0.92rem 1.78rem;
    color: #5d3a1a;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.94rem;
    transition: all 0.38s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    position: relative;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 9px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2.4px;
    background: linear-gradient(90deg, #b8860b 0%, #8b5a2b 100%);
    transition: width 0.38s ease;
    clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
}

.nav-menu li a:hover::before,
.nav-menu li a.active::before {
    width: 68%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #3e2508;
    background: rgba(184, 134, 11, 0.09);
}

.mobile-toggle {
    display: none;
    background: linear-gradient(142deg, #b8860b 0%, #8b5a2b 100%);
    border: none;
    color: #faf8f5;
    font-size: 1.72rem;
    width: 58px;
    height: 58px;
    cursor: pointer;
    transition: all 0.38s ease;
    box-shadow: 0 7px 24px rgba(184, 134, 11, 0.36);
    clip-path: polygon(8% 0, 92% 0, 100% 8%, 100% 92%, 92% 100%, 8% 100%, 0 92%, 0 8%);
}

.mobile-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 11px 32px rgba(184, 134, 11, 0.44);
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 162px 0 134px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -14%;
    right: -9%;
    width: 680px;
    height: 680px;
    background: radial-gradient(circle, rgba(184, 134, 11, 0.13) 0%, transparent 66%);
    border-radius: 48% 52% 44% 56%;
    animation: soarFloat 52s ease-in-out infinite;
    filter: blur(88px);
}

#hero::after {
    content: '';
    position: absolute;
    bottom: -16%;
    left: -11%;
    width: 640px;
    height: 640px;
    background: radial-gradient(circle, rgba(139, 90, 43, 0.11) 0%, transparent 66%);
    border-radius: 56% 44% 52% 48%;
    animation: soarFloat 58s ease-in-out infinite reverse;
    filter: blur(88px);
}

@keyframes soarFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 0.74;
        border-radius: 48% 52% 44% 56%;
    }
    34% {
        transform: translate(74px, -92px) scale(1.22) rotate(28deg);
        opacity: 0.88;
        border-radius: 52% 48% 56% 44%;
    }
    68% {
        transform: translate(-62px, 78px) scale(0.94) rotate(-22deg);
        opacity: 0.8;
        border-radius: 44% 56% 48% 52%;
    }
}

.hero-content {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 3.6rem;
    display: grid;
    grid-template-columns: 1.36fr 1fr;
    gap: 7.6rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: takeoff 1.52s cubic-bezier(0.23, 0.64, 0.38, 0.98);
}

@keyframes takeoff {
    0% {
        opacity: 0;
        transform: translateY(62px) scale(0.96);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-text h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 5.12rem;
    font-weight: 400;
    line-height: 1.08;
    margin-bottom: 3.16rem;
    color: #2d2318;
    letter-spacing: 3.6px;
    text-transform: uppercase;
}

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

.hero-subtitle {
    font-size: 1.64rem;
    color: #5d3a1a;
    margin-bottom: 4.64rem;
    line-height: 1.64;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.hero-buttons {
    display: flex;
    gap: 2.68rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.62rem 3.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.44s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    font-size: 1.04rem;
    letter-spacing: 1.8px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    clip-path: polygon(5% 0, 95% 0, 100% 5%, 100% 95%, 95% 100%, 5% 100%, 0 95%, 0 5%);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
    transition: left 0.72s ease;
}

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

.btn-primary {
    background: linear-gradient(142deg, #b8860b 0%, #8b5a2b 100%);
    color: #faf8f5;
    box-shadow: 0 14px 46px rgba(184, 134, 11, 0.44);
    border: 3.2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 58px rgba(184, 134, 11, 0.54);
}

.btn-secondary {
    background: rgba(250, 248, 245, 0.97);
    color: #5d3a1a;
    border: 3.2px solid #b8860b;
    box-shadow: 0 11px 38px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: rgba(184, 134, 11, 0.16);
    color: #3e2508;
    border-color: #8b5a2b;
    transform: translateY(-6px);
    box-shadow: 0 17px 48px rgba(184, 134, 11, 0.34);
}

.hero-image {
    animation: takeoff 1.52s cubic-bezier(0.23, 0.64, 0.38, 0.98) 0.32s both;
}

.profile-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(34px);
    padding: 4.24rem;
    box-shadow: 
        0 28px 84px rgba(45, 35, 24, 0.24),
        inset 0 1.8px 0 rgba(255, 255, 255, 0.94);
    transition: all 0.54s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    position: relative;
    border: 3.2px solid rgba(184, 134, 11, 0.28);
    clip-path: polygon(4% 0, 96% 0, 100% 4%, 100% 96%, 96% 100%, 4% 100%, 0 96%, 0 4%);
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 7.2px;
    background: linear-gradient(90deg, #b8860b 0%, #8b5a2b 38%, #a0522d 64%, #8b5a2b 100%);
    clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.profile-card:hover {
    transform: translateY(-18px) scale(1.03);
    box-shadow: 
        0 38px 108px rgba(45, 35, 24, 0.34),
        inset 0 1.8px 0 rgba(255, 255, 255, 1);
}

.profile-card img {
    width: 100%;
    margin-bottom: 3.36rem;
    box-shadow: 0 22px 64px rgba(45, 35, 24, 0.26);
    border: 3.2px solid rgba(139, 90, 43, 0.3);
    clip-path: polygon(3% 0, 97% 0, 100% 3%, 100% 97%, 97% 100%, 3% 100%, 0 97%, 0 3%);
}

.profile-details h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.08rem;
    margin-bottom: 1.04rem;
    color: #2d2318;
    font-weight: 400;
    letter-spacing: 2.8px;
    text-transform: uppercase;
}

.profile-details p {
    color: #5d3a1a;
    margin-bottom: 3.36rem;
    line-height: 1.64;
    font-weight: 500;
}

.social-links a {
    display: inline-block;
    padding: 1.56rem 3.78rem;
    background: linear-gradient(142deg, #b8860b 0%, #8b5a2b 100%);
    color: #faf8f5;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 1.8px;
    transition: all 0.44s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    box-shadow: 0 14px 46px rgba(184, 134, 11, 0.44);
    text-transform: uppercase;
    clip-path: polygon(5% 0, 95% 0, 100% 5%, 100% 95%, 95% 100%, 5% 100%, 0 95%, 0 5%);
}

.social-links a:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 58px rgba(184, 134, 11, 0.54);
}

section {
    padding: 136px 0;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 3.6rem;
}

.section-header {
    text-align: center;
    margin-bottom: 7.64rem;
    position: relative;
}

.section-header::before {
    content: '✈';
    position: absolute;
    top: -92px;
    left: 50%;
    transform: translateX(-50%) rotate(0deg);
    font-size: 4.12rem;
    color: #b8860b;
    opacity: 0.64;
    animation: flyAcross 22s ease-in-out infinite;
}

@keyframes flyAcross {
    0%, 100% { 
        transform: translateX(-50%) scale(1) rotate(-8deg); 
        opacity: 0.64; 
    }
    50% { 
        transform: translateX(-50%) scale(1.38) rotate(8deg); 
        opacity: 0.86; 
    }
}

.section-header h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4.96rem;
    font-weight: 400;
    line-height: 1.12;
    color: #2d2318;
    letter-spacing: 4.2px;
    position: relative;
    display: inline-block;
    text-transform: uppercase;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -38px;
    left: 50%;
    transform: translateX(-50%);
    width: 124px;
    height: 4.4px;
    background: linear-gradient(90deg, transparent 0%, #b8860b 32%, #8b5a2b 50%, #a0522d 68%, transparent 100%);
    clip-path: polygon(0 0, 100% 0, 96% 100%, 4% 100%);
}

#experience {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(38px);
}

.timeline {
    position: relative;
    max-width: 1340px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 218px;
    top: 0;
    bottom: 0;
    width: 4.4px;
    background: linear-gradient(180deg, #b8860b 0%, #8b5a2b 50%, #a0522d 100%);
    opacity: 0.7;
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 412px 1fr;
    gap: 7.32rem;
    margin-bottom: 7.32rem;
    position: relative;
}

.timeline-year {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4.92rem;
    font-weight: 400;
    color: #5d3a1a;
    position: relative;
    z-index: 2;
    text-align: right;
    padding-right: 4.64rem;
    letter-spacing: 3.6px;
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -92px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 22px;
    height: 22px;
    background: linear-gradient(142deg, #b8860b 0%, #8b5a2b 100%);
    border: 7.2px solid rgba(250, 248, 245, 0.99);
    box-shadow: 
        0 0 0 16px rgba(184, 134, 11, 0.24),
        0 11px 38px rgba(184, 134, 11, 0.5);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(34px);
    padding: 5.04rem;
    transition: all 0.44s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    box-shadow: 0 24px 68px rgba(45, 35, 24, 0.2);
    border: 3.2px solid rgba(184, 134, 11, 0.26);
    clip-path: polygon(3% 0, 97% 0, 100% 3%, 100% 97%, 97% 100%, 3% 100%, 0 97%, 0 3%);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6.4px;
    background: linear-gradient(180deg, #b8860b 0%, #8b5a2b 100%);
    clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
}

.timeline-content:hover {
    transform: translateX(26px);
    box-shadow: 0 32px 86px rgba(45, 35, 24, 0.28);
}

.timeline-content h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.08rem;
    margin-bottom: 1.04rem;
    color: #2d2318;
    font-weight: 400;
    letter-spacing: 2.4px;
    text-transform: uppercase;
}

.timeline-content h4 {
    color: #5d3a1a;
    font-size: 1.68rem;
    margin-bottom: 2.52rem;
    font-weight: 700;
    letter-spacing: 0.92px;
    text-transform: uppercase;
}

.timeline-content p {
    color: #5d3a1a;
    line-height: 1.68;
    margin: 0;
}

.timeline-content a {
    color: #5d3a1a;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 3.2px solid transparent;
    transition: all 0.38s ease;
}

.timeline-content a:hover {
    border-bottom-color: #8b5a2b;
}

#ai {
    background: linear-gradient(180deg, rgba(250, 248, 245, 0.72) 0%, rgba(245, 237, 225, 0.72) 100%);
    backdrop-filter: blur(38px);
}

.ai-projects {
    display: grid;
    gap: 6.96rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(34px);
    padding: 6.32rem;
    transition: all 0.44s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    position: relative;
    box-shadow: 0 28px 78px rgba(45, 35, 24, 0.22);
    border: 3.2px solid rgba(184, 134, 11, 0.28);
    clip-path: polygon(2% 0, 98% 0, 100% 2%, 100% 98%, 98% 100%, 2% 100%, 0 98%, 0 2%);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 7.2px;
    background: linear-gradient(90deg, #b8860b 0%, #8b5a2b 32%, #a0522d 50%, #8b5a2b 68%, #b8860b 100%);
    clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.project-card:hover {
    transform: translateY(-18px);
    box-shadow: 0 38px 96px rgba(45, 35, 24, 0.32);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 3.48rem;
    margin-bottom: 2.52rem;
}

.project-header h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3.92rem;
    color: #2d2318;
    margin: 0;
    font-weight: 400;
    letter-spacing: 2.8px;
    text-transform: uppercase;
}

.project-client {
    color: #5d3a1a;
    font-weight: 700;
    font-size: 1.68rem;
    margin-bottom: 3.84rem;
    letter-spacing: 0.92px;
    text-transform: uppercase;
}

.project-card > p {
    color: #5d3a1a;
    line-height: 1.68;
    margin-bottom: 4.64rem;
}

.project-impact {
    background: linear-gradient(142deg, rgba(184, 134, 11, 0.12) 0%, rgba(139, 90, 43, 0.1) 100%);
    padding: 3.48rem;
    color: #2d2318;
    line-height: 1.68;
    border-left: 6.4px solid #b8860b;
    clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
}

.project-impact strong {
    color: #5d3a1a;
    font-weight: 700;
}

#speaking {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(38px);
}

.speaking-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6.96rem;
}

.year-section {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(34px);
    padding: 5.04rem;
    transition: all 0.44s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    box-shadow: 0 28px 78px rgba(45, 35, 24, 0.2);
    border: 3.2px solid rgba(184, 134, 11, 0.28);
    clip-path: polygon(3% 0, 97% 0, 100% 3%, 100% 97%, 97% 100%, 3% 100%, 0 97%, 0 3%);
}

.year-section:hover {
    transform: translateY(-18px);
    box-shadow: 0 36px 92px rgba(45, 35, 24, 0.28);
}

.year-section h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4.48rem;
    margin-bottom: 4.64rem;
    color: #5d3a1a;
    text-align: center;
    padding-bottom: 3.48rem;
    border-bottom: 3.2px solid rgba(184, 134, 11, 0.3);
    font-weight: 400;
    letter-spacing: 3.2px;
    text-transform: uppercase;
}

.year-section.books {
    grid-column: span 2;
    background: linear-gradient(142deg, #b8860b 0%, #8b5a2b 100%);
    border: none;
    box-shadow: 0 36px 92px rgba(184, 134, 11, 0.64);
}

.year-section.books h3 {
    color: #faf8f5;
    border-bottom-color: rgba(250, 248, 245, 0.4);
}

.achievements {
    list-style: none;
}

.achievements li {
    padding: 2.24rem 0;
    color: #5d3a1a;
    border-bottom: 3.2px solid rgba(184, 134, 11, 0.24);
    line-height: 1.68;
    position: relative;
    padding-left: 4.64rem;
}

.achievements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    top: 2.24rem;
    color: #b8860b;
    font-size: 2.36rem;
    font-weight: 700;
}

.year-section.books .achievements li {
    color: rgba(250, 248, 245, 0.97);
    border-bottom-color: rgba(250, 248, 245, 0.36);
}

.year-section.books .achievements li::before {
    color: #faf8f5;
}

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

.achievements strong {
    color: #2d2318;
    font-weight: 700;
}

.year-section.books .achievements strong {
    color: #faf8f5;
}

#personal {
    background: linear-gradient(180deg, rgba(245, 237, 225, 0.72) 0%, rgba(250, 248, 245, 0.78) 100%);
    backdrop-filter: blur(38px);
}

#contact {
    background: rgba(255, 255, 255, 0.84);
    backdrop-filter: blur(38px);
}

.contact-card {
    background: rgba(255, 255, 255, 0.99);
    backdrop-filter: blur(42px);
    padding: 10.48rem 9.92rem;
    text-align: center;
    box-shadow: 0 44px 118px rgba(45, 35, 24, 0.3);
    max-width: 1360px;
    margin: 0 auto;
    border: 3.6px solid rgba(184, 134, 11, 0.38);
    position: relative;
    clip-path: polygon(2% 0, 98% 0, 100% 2%, 100% 98%, 98% 100%, 2% 100%, 0 98%, 0 2%);
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10.4px;
    background: linear-gradient(90deg, transparent 0%, #b8860b 20%, #8b5a2b 36%, #a0522d 50%, #8b5a2b 64%, #b8860b 80%, transparent 100%);
    clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.contact-card h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 6.56rem;
    margin-bottom: 4.64rem;
    color: #2d2318;
    font-weight: 400;
    letter-spacing: 4.8px;
    text-transform: uppercase;
}

.contact-card > p {
    font-size: 1.68rem;
    color: #5d3a1a;
    line-height: 1.68;
    margin-bottom: 7.32rem;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 4.64rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 2.52rem;
    padding: 2.96rem 6.52rem;
    background: linear-gradient(142deg, #b8860b 0%, #8b5a2b 100%);
    color: #faf8f5;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 1.8px;
    transition: all 0.44s cubic-bezier(0.23, 0.64, 0.38, 0.98);
    box-shadow: 0 28px 78px rgba(184, 134, 11, 0.6);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    clip-path: polygon(4% 0, 96% 0, 100% 4%, 100% 96%, 96% 100%, 4% 100%, 0 96%, 0 4%);
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
    transition: left 0.72s ease;
}

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

.contact-link:hover {
    transform: translateY(-10px);
    box-shadow: 0 38px 102px rgba(184, 134, 11, 0.74);
}

.contact-link .icon {
    font-size: 2.96rem;
}

#footer {
    background: linear-gradient(142deg, #2d2318 0%, #5d3a1a 100%);
    backdrop-filter: blur(34px);
    padding: 7.32rem 0;
    text-align: center;
    color: rgba(250, 248, 245, 0.9);
    border-top: 3.6px solid rgba(184, 134, 11, 0.44);
}

#footer a {
    color: #b8860b;
    text-decoration: none;
    transition: color 0.38s ease;
    font-weight: 700;
}

#footer a:hover {
    color: #faf8f5;
}

@media screen and (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 8.12rem;
        text-align: center;
    }

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

    .hero-image {
        max-width: 640px;
        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 3.2rem;
        height: 74px;
    }

    html {
        scroll-padding-top: 74px;
    }

    .nav-menu {
        position: fixed;
        top: 74px;
        left: 0;
        right: 0;
        background: rgba(250, 248, 245, 0.99);
        backdrop-filter: blur(42px);
        flex-direction: column;
        padding: 7.32rem;
        gap: 0;
        box-shadow: 0 34px 92px rgba(45, 35, 24, 0.44);
        transform: translateY(-150%);
        transition: transform 0.46s cubic-bezier(0.23, 0.64, 0.38, 0.98);
        border-bottom: 3.6px solid rgba(184, 134, 11, 0.4);
    }

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

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

    .nav-menu li a {
        width: 100%;
        text-align: center;
        padding: 2.04rem;
        border-bottom: 3.2px solid rgba(184, 134, 11, 0.24);
    }

    .mobile-toggle {
        display: block;
    }

    .hero-text h1 {
        font-size: 4.48rem;
    }

    .section-header h2 {
        font-size: 4.28rem;
    }

    .timeline::before {
        left: 46px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 4.64rem;
        margin-bottom: 8.12rem;
        padding-left: 10.48rem;
    }

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

    .timeline-year::after {
        left: -92px;
        right: auto;
    }

    .contact-card {
        padding: 9.92rem 7.32rem;
    }
}

@media screen and (max-width: 600px) {
    .container {
        padding: 0 2.92rem;
    }

    .nav-container {
        padding: 0 2.92rem;
        height: 70px;
    }

    html {
        scroll-padding-top: 70px;
    }

    #hero {
        padding: 148px 0 114px;
    }

    .hero-text h1 {
        font-size: 3.56rem;
    }

    .hero-subtitle {
        font-size: 1.42rem;
    }

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

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

    section {
        padding: 104px 0;
    }

    .section-header {
        margin-bottom: 7.32rem;
    }

    .section-header h2 {
        font-size: 3.56rem;
    }

    .profile-card {
        padding: 4.24rem;
    }

    .timeline-item {
        padding-left: 7.32rem;
    }

    .timeline-content {
        padding: 4.24rem;
    }

    .project-card {
        padding: 5.28rem 4.24rem;
    }

    .contact-card {
        padding: 8.12rem 4.24rem;
    }

    .contact-card h2 {
        font-size: 4.48rem;
    }

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

    .contact-link {
        justify-content: center;
        padding: 2.04rem 4.24rem;
        font-size: 0.94rem;
    }
}