/* Theme: Zebra - Day 26 (Letter Z): Inspired by African savannas, bold black and white stripes, geometric patterns, safari aesthetics, wild nature, grassland horizons, animal kingdom elegance, monochrome beauty, natural contrasts, wildlife photography */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Work+Sans:wght@300;400;500;600;700;800&display=swap');

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    font-family: 'Work Sans', sans-serif;
    font-size: 17.5px;
    line-height: 1.75;
    color: #1c1c1c;
    background: linear-gradient(172deg, #fefefe 0%, #f9f9f9 25%, #f5f5f5 50%, #f8f8f8 75%, #fcfcfc 100%);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            35deg,
            transparent,
            transparent 85px,
            rgba(28, 28, 28, 0.015) 85px,
            rgba(28, 28, 28, 0.015) 95px
        ),
        repeating-linear-gradient(
            -35deg,
            transparent,
            transparent 85px,
            rgba(28, 28, 28, 0.012) 85px,
            rgba(28, 28, 28, 0.012) 95px
        );
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 22% 18%, rgba(28, 28, 28, 0.025) 0%, transparent 48%),
        radial-gradient(circle at 78% 82%, rgba(28, 28, 28, 0.022) 0%, transparent 52%);
    pointer-events: none;
    z-index: 0;
}

#topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(254, 254, 254, 0.95);
    backdrop-filter: blur(24px);
    border-bottom: 5px solid #1c1c1c;
    box-shadow: 0 8px 38px rgba(28, 28, 28, 0.12);
    transition: all 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
}

#topnav.scrolled {
    background: rgba(254, 254, 254, 0.98);
    box-shadow: 0 12px 48px rgba(28, 28, 28, 0.18);
    border-bottom-width: 6px;
}

.nav-container {
    max-width: 1485px;
    margin: 0 auto;
    padding: 0 4.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 92px;
}

.logo h1 {
    font-family: 'Bebas Neue', cursive;
    font-size: 2.45rem;
    font-weight: 400;
    color: #1c1c1c;
    margin: 0;
    letter-spacing: 2.85px;
    position: relative;
    padding-left: 4.15rem;
}

.logo h1::before {
    content: '🦓';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    font-size: 2.95rem;
    animation: zebraGallop 8.5s ease-in-out infinite;
}

@keyframes zebraGallop {
    0%, 100% {
        transform: translateY(-50%) rotate(-3deg) translateX(0);
    }
    25% {
        transform: translateY(-50%) rotate(2deg) translateX(5px);
    }
    50% {
        transform: translateY(-50%) rotate(-2deg) translateX(-3px);
    }
    75% {
        transform: translateY(-50%) rotate(3deg) translateX(4px);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.45rem;
}

.nav-menu li a {
    display: block;
    padding: 1.18rem 2.55rem;
    color: #1c1c1c;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.88rem;
    transition: all 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
    position: relative;
    letter-spacing: 1.65px;
    text-transform: uppercase;
    border: 3px solid transparent;
    border-radius: 0;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        #1c1c1c 0px,
        #1c1c1c 8px,
        transparent 8px,
        transparent 16px
    );
    opacity: 0;
    transition: opacity 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
    z-index: -1;
}

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

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #fefefe;
    border-color: #1c1c1c;
    transform: translateY(-3px);
}

.mobile-toggle {
    display: none;
    background: #1c1c1c;
    border: 3px solid #1c1c1c;
    color: #fefefe;
    font-size: 2.15rem;
    width: 68px;
    height: 68px;
    cursor: pointer;
    transition: all 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
    border-radius: 0;
    box-shadow: 0 14px 42px rgba(28, 28, 28, 0.32);
    position: relative;
    overflow: hidden;
}

.mobile-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent 0px,
        transparent 6px,
        #fefefe 6px,
        #fefefe 12px
    );
    transition: left 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.mobile-toggle:hover {
    transform: scale(1.12);
    box-shadow: 0 18px 55px rgba(28, 28, 28, 0.45);
}

.mobile-toggle:hover::before {
    left: 0;
}

#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 172px 0 132px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 8%;
    right: -12%;
    width: 1350px;
    height: 1350px;
    background: 
        repeating-linear-gradient(
            25deg,
            transparent 0px,
            transparent 48px,
            rgba(28, 28, 28, 0.035) 48px,
            rgba(28, 28, 28, 0.035) 68px
        );
    border-radius: 50%;
    animation: zebraPattern1 65s linear infinite;
    transform-origin: center;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 12%;
    left: -8%;
    width: 1150px;
    height: 1150px;
    background: 
        repeating-linear-gradient(
            -25deg,
            transparent 0px,
            transparent 42px,
            rgba(28, 28, 28, 0.028) 42px,
            rgba(28, 28, 28, 0.028) 62px
        );
    border-radius: 50%;
    animation: zebraPattern2 75s linear infinite reverse;
    transform-origin: center;
}

@keyframes zebraPattern1 {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes zebraPattern2 {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.hero-content {
    max-width: 1485px;
    margin: 0 auto;
    padding: 0 4.25rem;
    display: grid;
    grid-template-columns: 1.55fr 1fr;
    gap: 9.15rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: zebraFadeIn 1.45s cubic-bezier(0.22, 0.61, 0.36, 1) 0s both;
}

@keyframes zebraFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-125px) rotate(-2deg);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotate(0deg);
    }
}

.hero-text h1 {
    font-family: 'Bebas Neue', cursive;
    font-size: 7.15rem;
    font-weight: 400;
    line-height: 0.95;
    margin-bottom: 4.15rem;
    color: #1c1c1c;
    letter-spacing: 3.25px;
    text-transform: uppercase;
}

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

.hero-subtitle {
    font-size: 1.95rem;
    color: #4a4a4a;
    margin-bottom: 5.45rem;
    line-height: 1.55;
    font-weight: 500;
    letter-spacing: 0.85px;
    text-transform: uppercase;
    font-family: 'Bebas Neue', cursive;
}

.hero-buttons {
    display: flex;
    gap: 3.25rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.88rem 5.15rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.48s cubic-bezier(0.22, 0.61, 0.36, 1);
    font-size: 1.08rem;
    letter-spacing: 1.85px;
    font-family: 'Work Sans', sans-serif;
    position: relative;
    overflow: hidden;
    border: 4px solid transparent;
    border-radius: 0;
    text-transform: uppercase;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        90deg,
        rgba(254, 254, 254, 0.15) 0px,
        rgba(254, 254, 254, 0.15) 12px,
        transparent 12px,
        transparent 24px
    );
    transition: left 0.75s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

.btn-primary {
    background: #1c1c1c;
    color: #fefefe;
    border-color: #1c1c1c;
    box-shadow: 0 22px 68px rgba(28, 28, 28, 0.42);
}

.btn-primary:hover {
    transform: translateY(-8px);
    box-shadow: 0 32px 88px rgba(28, 28, 28, 0.58);
    background: #000000;
}

.btn-secondary {
    background: rgba(254, 254, 254, 0.98);
    color: #1c1c1c;
    border: 4px solid #1c1c1c;
    box-shadow: 0 18px 58px rgba(28, 28, 28, 0.28);
}

.btn-secondary:hover {
    background: #1c1c1c;
    color: #fefefe;
    transform: translateY(-8px);
    box-shadow: 0 28px 75px rgba(28, 28, 28, 0.48);
}

.hero-image {
    animation: zebraFadeIn 1.45s cubic-bezier(0.22, 0.61, 0.36, 1) 0.32s both;
}

.profile-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(32px);
    padding: 4.15rem;
    box-shadow: 
        0 0 0 4px #1c1c1c,
        0 38px 108px rgba(28, 28, 28, 0.22);
    transition: all 0.58s cubic-bezier(0.22, 0.61, 0.36, 1);
    position: relative;
    border-radius: 0;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background: repeating-linear-gradient(
        45deg,
        #1c1c1c 0px,
        #1c1c1c 12px,
        #fefefe 12px,
        #fefefe 24px
    );
    z-index: -1;
    opacity: 0;
    transition: opacity 0.58s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.profile-card::after {
    content: '🌍';
    position: absolute;
    bottom: 75px;
    right: 75px;
    font-size: 9.85rem;
    opacity: 0.038;
}

.profile-card:hover {
    transform: translateY(-22px) scale(1.035);
    box-shadow: 
        0 0 0 4px #1c1c1c,
        0 58px 148px rgba(28, 28, 28, 0.32);
}

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

.profile-card img {
    width: 100%;
    margin-bottom: 3.75rem;
    box-shadow: 0 32px 92px rgba(28, 28, 28, 0.28);
    border: 4px solid #1c1c1c;
    border-radius: 0;
}

.profile-details h3 {
    font-family: 'Bebas Neue', cursive;
    font-size: 4.15rem;
    margin-bottom: 1.45rem;
    color: #1c1c1c;
    font-weight: 400;
    letter-spacing: 2.25px;
    text-transform: uppercase;
}

.profile-details p {
    color: #4a4a4a;
    margin-bottom: 3.85rem;
    line-height: 1.55;
    font-weight: 500;
}

.social-links a {
    display: inline-block;
    padding: 1.85rem 4.85rem;
    background: #1c1c1c;
    color: #fefefe;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 1.85px;
    transition: all 0.48s cubic-bezier(0.22, 0.61, 0.36, 1);
    border-radius: 0;
    border: 4px solid #1c1c1c;
    box-shadow: 0 22px 68px rgba(28, 28, 28, 0.42);
    font-family: 'Work Sans', sans-serif;
    text-transform: uppercase;
}

.social-links a:hover {
    background: #000000;
    transform: translateY(-6px);
    box-shadow: 0 32px 88px rgba(28, 28, 28, 0.58);
}

section {
    padding: 155px 0;
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1485px;
    margin: 0 auto;
    padding: 0 4.25rem;
}

.section-header {
    text-align: center;
    margin-bottom: 9.15rem;
    position: relative;
}

.section-header::before {
    content: '▬ ▬ ▬';
    position: absolute;
    top: -85px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2.15rem;
    letter-spacing: 4.85rem;
    opacity: 0.55;
    color: #1c1c1c;
}

.section-header h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 7.85rem;
    font-weight: 400;
    line-height: 1.05;
    color: #1c1c1c;
    letter-spacing: 4.25px;
    position: relative;
    display: inline-block;
    text-transform: uppercase;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -48px;
    left: 50%;
    transform: translateX(-50%);
    width: 225px;
    height: 6px;
    background: repeating-linear-gradient(
        90deg,
        #1c1c1c 0px,
        #1c1c1c 18px,
        transparent 18px,
        transparent 36px
    );
}

#experience {
    background: rgba(255, 255, 255, 0.58);
    backdrop-filter: blur(22px);
}

.timeline {
    position: relative;
    max-width: 1425px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 395px;
    top: 0;
    bottom: 0;
    width: 8px;
    background: repeating-linear-gradient(
        180deg,
        #1c1c1c 0px,
        #1c1c1c 28px,
        transparent 28px,
        transparent 48px
    );
}

.timeline-item {
    display: grid;
    grid-template-columns: 785px 1fr;
    gap: 9.15rem;
    margin-bottom: 9.05rem;
    position: relative;
}

.timeline-year {
    font-family: 'Bebas Neue', cursive;
    font-size: 11.25rem;
    font-weight: 400;
    color: rgba(28, 28, 28, 0.12);
    position: relative;
    z-index: 2;
    text-align: right;
    padding-right: 9.05rem;
    letter-spacing: -2.85px;
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -172px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: #1c1c1c;
    border-radius: 0;
    border: 6px solid #fefefe;
    box-shadow: 
        0 0 0 4px #1c1c1c,
        0 0 35px rgba(28, 28, 28, 0.42);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(28px);
    padding: 5.25rem;
    transition: all 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
    box-shadow: 
        0 0 0 3px #1c1c1c,
        0 32px 95px rgba(28, 28, 28, 0.18);
    position: relative;
    border-radius: 0;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    bottom: 0;
    width: 8px;
    background: repeating-linear-gradient(
        180deg,
        #1c1c1c 0px,
        #1c1c1c 18px,
        transparent 18px,
        transparent 28px
    );
    opacity: 0;
    transition: opacity 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.timeline-content:hover {
    transform: translateX(28px);
    box-shadow: 
        0 0 0 3px #1c1c1c,
        0 48px 125px rgba(28, 28, 28, 0.28);
}

.timeline-content:hover::before {
    opacity: 1;
}

.timeline-content h3 {
    font-family: 'Bebas Neue', cursive;
    font-size: 4.25rem;
    margin-bottom: 1.25rem;
    color: #1c1c1c;
    font-weight: 400;
    letter-spacing: 1.85px;
    text-transform: uppercase;
}

.timeline-content h4 {
    color: #1c1c1c;
    font-size: 1.85rem;
    margin-bottom: 3.15rem;
    font-weight: 700;
    letter-spacing: 1.25px;
    text-transform: uppercase;
}

.timeline-content p {
    color: #4a4a4a;
    line-height: 1.75;
    margin: 0;
}

.timeline-content a {
    color: #1c1c1c;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 3px solid transparent;
    transition: all 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.timeline-content a:hover {
    border-bottom-color: #1c1c1c;
}

#ai {
    background: rgba(249, 249, 249, 0.68);
    backdrop-filter: blur(22px);
}

.ai-projects {
    display: grid;
    gap: 7.15rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(28px);
    padding: 7.15rem;
    transition: all 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
    position: relative;
    box-shadow: 
        0 0 0 4px #1c1c1c,
        0 38px 105px rgba(28, 28, 28, 0.19);
    border-radius: 0;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 12px;
    background: repeating-linear-gradient(
        90deg,
        #1c1c1c 0px,
        #1c1c1c 28px,
        transparent 28px,
        transparent 48px
    );
}

.project-card::after {
    content: '🏆';
    position: absolute;
    top: 85px;
    right: 85px;
    font-size: 10.85rem;
    opacity: 0.035;
}

.project-card:hover {
    transform: translateY(-18px);
    box-shadow: 
        0 0 0 4px #1c1c1c,
        0 58px 145px rgba(28, 28, 28, 0.28);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 3.45rem;
    margin-bottom: 2.55rem;
}

.project-header h3 {
    font-family: 'Bebas Neue', cursive;
    font-size: 5.85rem;
    color: #1c1c1c;
    margin: 0;
    font-weight: 400;
    letter-spacing: 2.25px;
    text-transform: uppercase;
}

.project-client {
    color: #1c1c1c;
    font-weight: 700;
    font-size: 1.85rem;
    margin-bottom: 4.25rem;
    letter-spacing: 1.25px;
    text-transform: uppercase;
}

.project-card > p {
    color: #4a4a4a;
    line-height: 1.75;
    margin-bottom: 4.95rem;
}

.project-impact {
    background: rgba(28, 28, 28, 0.05);
    padding: 3.85rem;
    color: #1c1c1c;
    line-height: 1.75;
    border-radius: 0;
    border-left: 12px solid #1c1c1c;
}

.project-impact strong {
    color: #1c1c1c;
    font-weight: 700;
}

#speaking {
    background: rgba(255, 255, 255, 0.58);
    backdrop-filter: blur(22px);
}

.speaking-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 7.15rem;
}

.year-section {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(28px);
    padding: 5.85rem;
    transition: all 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
    box-shadow: 
        0 0 0 3px #1c1c1c,
        0 32px 95px rgba(28, 28, 28, 0.18);
    border-radius: 0;
    position: relative;
}

.year-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: repeating-linear-gradient(
        90deg,
        #1c1c1c 0px,
        #1c1c1c 22px,
        transparent 22px,
        transparent 38px
    );
    opacity: 0.45;
    transition: opacity 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.year-section:hover {
    transform: translateY(-18px);
    box-shadow: 
        0 0 0 3px #1c1c1c,
        0 48px 125px rgba(28, 28, 28, 0.28);
}

.year-section:hover::before {
    opacity: 1;
}

.year-section h3 {
    font-family: 'Bebas Neue', cursive;
    font-size: 7.25rem;
    margin-bottom: 4.95rem;
    color: #1c1c1c;
    text-align: center;
    padding-bottom: 3.85rem;
    border-bottom: 6px solid #1c1c1c;
    font-weight: 400;
    letter-spacing: 2.85px;
}

.year-section.books {
    grid-column: span 2;
    background: #1c1c1c;
}

.year-section.books::before {
    background: repeating-linear-gradient(
        90deg,
        #fefefe 0px,
        #fefefe 22px,
        transparent 22px,
        transparent 38px
    );
}

.year-section.books h3 {
    color: #fefefe;
    border-bottom-color: #fefefe;
}

.achievements {
    list-style: none;
}

.achievements li {
    padding: 2.45rem 0;
    color: #4a4a4a;
    border-bottom: 3px solid rgba(28, 28, 28, 0.08);
    line-height: 1.75;
    position: relative;
    padding-left: 4.45rem;
}

.achievements li::before {
    content: '▬';
    position: absolute;
    left: 0;
    top: 2.45rem;
    font-size: 1.85rem;
    color: #1c1c1c;
}

.year-section.books .achievements li {
    color: rgba(254, 254, 254, 0.92);
    border-bottom-color: rgba(254, 254, 254, 0.18);
}

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

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

.achievements strong {
    color: #1c1c1c;
    font-weight: 700;
}

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

#personal {
    background: rgba(249, 249, 249, 0.68);
    backdrop-filter: blur(22px);
}

#contact {
    background: linear-gradient(135deg, rgba(28, 28, 28, 0.042) 0%, rgba(28, 28, 28, 0.038) 100%);
    backdrop-filter: blur(22px);
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(42px);
    padding: 10.85rem 9.85rem;
    text-align: center;
    box-shadow: 
        0 0 0 5px #1c1c1c,
        0 58px 155px rgba(28, 28, 28, 0.22);
    max-width: 1425px;
    margin: 0 auto;
    border-radius: 0;
}

.contact-card h2 {
    font-family: 'Bebas Neue', cursive;
    font-size: 9.15rem;
    margin-bottom: 4.95rem;
    color: #1c1c1c;
    font-weight: 400;
    letter-spacing: 4.25px;
    text-transform: uppercase;
}

.contact-card > p {
    font-size: 2.05rem;
    color: #4a4a4a;
    line-height: 1.75;
    margin-bottom: 8.15rem;
    max-width: 1285px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 4.95rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 3.05rem;
    padding: 3.05rem 7.15rem;
    background: #1c1c1c;
    color: #fefefe;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 1.85px;
    transition: all 0.48s cubic-bezier(0.22, 0.61, 0.36, 1);
    border-radius: 0;
    border: 4px solid #1c1c1c;
    box-shadow: 0 32px 95px rgba(28, 28, 28, 0.42);
    font-family: 'Work Sans', sans-serif;
    text-transform: uppercase;
}

.contact-link:hover {
    background: #000000;
    transform: translateY(-10px);
    box-shadow: 0 48px 125px rgba(28, 28, 28, 0.58);
}

.contact-link .icon {
    font-size: 3.35rem;
}

#footer {
    background: #1c1c1c;
    padding: 8.15rem 0;
    text-align: center;
    color: rgba(254, 254, 254, 0.78);
    border-top: 8px solid #1c1c1c;
}

#footer a {
    color: #fefefe;
    text-decoration: none;
    transition: color 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
    font-weight: 700;
}

#footer a:hover {
    color: #c0c0c0;
}

@media screen and (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 8.15rem;
        text-align: center;
    }

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

    .hero-image {
        max-width: 785px;
        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 3.85rem;
        height: 85px;
    }

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

    .nav-menu {
        position: fixed;
        top: 85px;
        left: 0;
        right: 0;
        background: rgba(254, 254, 254, 0.98);
        backdrop-filter: blur(28px);
        flex-direction: column;
        padding: 5.85rem;
        gap: 0;
        box-shadow: 0 42px 105px rgba(28, 28, 28, 0.22);
        transform: translateY(-150%);
        transition: transform 0.58s cubic-bezier(0.22, 0.61, 0.36, 1);
        border-bottom: 5px solid #1c1c1c;
    }

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

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

    .nav-menu li a {
        width: 100%;
        text-align: center;
        padding: 2.05rem;
        border-bottom: 2px solid rgba(28, 28, 28, 0.08);
    }

    .nav-menu li a::before {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-text h1 {
        font-size: 5.85rem;
    }

    .section-header h2 {
        font-size: 5.45rem;
    }

    .timeline::before {
        left: 72px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 5.85rem;
        margin-bottom: 9.05rem;
        padding-left: 11.85rem;
    }

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

    .timeline-year::after {
        left: -172px;
        right: auto;
    }

    .contact-card {
        padding: 8.85rem 7.15rem;
    }
}

@media screen and (max-width: 600px) {
    .container {
        padding: 0 3.45rem;
    }

    .nav-container {
        padding: 0 3.45rem;
        height: 78px;
    }

    html {
        scroll-padding-top: 78px;
    }

    #hero {
        padding: 158px 0 128px;
    }

    .hero-text h1 {
        font-size: 4.55rem;
    }

    .hero-subtitle {
        font-size: 1.65rem;
    }

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

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

    section {
        padding: 128px 0;
    }

    .section-header {
        margin-bottom: 8.15rem;
    }

    .section-header h2 {
        font-size: 4.45rem;
    }

    .profile-card {
        padding: 3.45rem;
    }

    .timeline-item {
        padding-left: 9.15rem;
    }

    .timeline-content {
        padding: 4.25rem;
    }

    .project-card {
        padding: 5.85rem 4.25rem;
    }

    .contact-card {
        padding: 7.85rem 4.25rem;
    }

    .contact-card h2 {
        font-size: 6.15rem;
    }

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

    .contact-link {
        justify-content: center;
        padding: 2.05rem 4.25rem;
        font-size: 1.05rem;
    }
}