@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Poppins:wght@300;400;500;600;700&display=swap');

:root{
    --bg: #08080d;
    --surface: #131220;
    --border: rgba(var(--purple-rgb), 0.22);
    --text: #eeeef5;
    --text-dim: #a3a2b8;
    --purple: #a855f7;
    --blue: #38bdf8;
    --purple-rgb: 168, 85, 247;
    --blue-rgb: 56, 189, 248;
    --accent: var(--purple);
    --accent-light: #d8b4fe;
    --max-width: 1200px;
}

:root[data-theme="light"]{
    --bg: #fdf6ec;
    --surface: #fffaf3;
    --border: rgba(0, 0, 0, 0.14);
    --text: #2b2530;
    --text-dim: #6b6275;
    --purple: #e0559c;
    --blue: #2b9cd8;
    --purple-rgb: 224, 85, 156;
    --blue-rgb: 43, 156, 216;
    --accent-light: #a3306c;
}

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    font-family: 'Poppins', sans-serif;
}

h1, h2, h3, h4, h5, h6,
.logo, nav a, .btn, .eyebrow, .card-tag, .lang-name{
    font-family: 'Space Mono', monospace;
}

html{
    scroll-behavior: smooth;
}

body{
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    animation: pageFadeIn 0.6s ease;
}

main{
    flex: 1;
}

@keyframes pageFadeIn{
    from{ opacity: 0; }
    to{ opacity: 1; }
}

img{
    max-width: 100%;
    display: block;
}

.container{
    max-width: var(--max-width);
    margin: 0 auto;
}

.grad-text{
    background: linear-gradient(120deg, var(--blue), var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Header / Nav ===== */

header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.2rem 9%;
    background-color: rgba(8, 8, 13, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: 0.3s ease;
}

header.scrolled{
    background-color: rgba(8, 8, 13, 0.9);
    border-bottom: 1px solid var(--border);
}

.logo{
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02rem;
    cursor: pointer;
    transition: 0.3s ease;
    background: linear-gradient(120deg, var(--blue), var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo:hover{
    transform: scale(1.05);
}

.header-left{
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.theme-toggle{
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    width: 3.6rem;
    height: 2rem;
    padding: 0.2rem;
    border-radius: 999px;
    border: 2px solid var(--purple);
    background-color: var(--surface);
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover{
    border-color: var(--accent-light);
}

.theme-toggle-knob{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background-color: var(--purple);
    color: var(--bg);
    font-size: 0.75rem;
    transform: translateX(0);
    transition: transform 0.25s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle-knob i{
    display: block;
    line-height: 1;
}

.theme-toggle-knob svg{
    display: block;
    width: 1em;
    height: 1em;
}

:root[data-theme="light"] .theme-toggle{
    border-color: var(--accent-light);
}

:root[data-theme="light"] .theme-toggle:hover{
    border-color: var(--purple);
}

:root[data-theme="light"] .theme-toggle-knob{
    transform: translateX(1.45rem);
    background-color: rgba(var(--purple-rgb), 0.12);
    color: var(--accent-light);
}

nav{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.7rem;
}

nav a{
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04rem;
    color: var(--accent-light);
    background-color: rgba(var(--purple-rgb), 0.08);
    border: 2px solid var(--purple);
    border-radius: 8px;
    padding: 0.55rem 1rem;
    box-shadow: 3px 3px 0 0 var(--blue);
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.2s ease, color 0.2s ease;
}

nav a:hover{
    transform: translate(1.5px, 1.5px);
    box-shadow: 1.5px 1.5px 0 0 var(--blue);
    background-color: rgba(var(--purple-rgb), 0.18);
}

nav a:active{
    transform: translate(3px, 3px);
    box-shadow: 0 0 0 0 var(--blue);
}

nav a.active{
    background: linear-gradient(120deg, var(--blue), var(--purple));
    color: #0a0a12;
    border-color: var(--blue);
    box-shadow: 1.5px 1.5px 0 0 var(--purple);
}

.menu-toggle{
    display: none;
    background: transparent;
    color: var(--text);
    font-size: 1.6rem;
    cursor: pointer;
    z-index: 110;
}

/* ===== Buttons & Chips ===== */

.btn{
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.03rem;
    cursor: pointer;
    border: 2px solid var(--purple);
    box-shadow: 5px 5px 0 0 var(--blue);
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn:hover{
    transform: translate(2.5px, 2.5px);
    box-shadow: 2.5px 2.5px 0 0 var(--blue);
}

.btn:active{
    transform: translate(5px, 5px);
    box-shadow: 0 0 0 0 var(--blue);
}

.btn-solid{
    background: linear-gradient(120deg, var(--purple), var(--blue));
    color: #0a0a12;
}

.btn-outline{
    color: var(--accent-light);
    background-color: rgba(var(--purple-rgb), 0.08);
}

.btn-outline:hover{
    background-color: rgba(var(--purple-rgb), 0.2);
}

.chip-row{
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.chip{
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-light);
    background-color: rgba(var(--purple-rgb), 0.12);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 0.35rem 0.9rem;
}

/* ===== Sections (shared) ===== */

.section{
    padding: 6rem 9%;
}

main > .section:first-child{
    padding-top: 9rem;
}

.eyebrow{
    color: var(--accent-light);
    font-weight: 700;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
}

.section-title{
    font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.section-subtitle{
    color: var(--text-dim);
    font-size: 1.1rem;
    max-width: 40rem;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.card{
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    padding: 2rem;
    transition: 0.3s ease;
}

.card:hover{
    transform: translateY(-6px);
    border-color: var(--purple);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.reveal{
    opacity: 0;
    transform: translateY(36px);
}

@media (prefers-reduced-motion: reduce){
    .reveal,
    .timeline-content{
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        transition: none !important;
    }

    body{
        animation: none;
    }

    .home-img::before,
    .home-img::after{
        animation: none;
    }

    .home-img,
    .home-content > *{
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }
}

/* ===== Home ===== */

.home{
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 9% 5rem;
    background:
        radial-gradient(ellipse 55% 45% at 85% 15%, rgba(var(--blue-rgb), 0.14), transparent),
        radial-gradient(ellipse 55% 45% at 10% 85%, rgba(var(--purple-rgb), 0.14), transparent),
        var(--bg);
}

.home-container{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6rem;
    width: 100%;
}

@keyframes heroRise{
    from{ opacity: 0; transform: translateY(28px); }
    to{ opacity: 1; transform: translateY(0); }
}

.home-img{
    opacity: 0;
    animation: heroRise 0.8s ease forwards;
    flex-shrink: 0;
    position: relative;
    width: 27vw;
    max-width: 420px;
    min-width: 260px;
    aspect-ratio: 1 / 1;
}

.home-img::before{
    content: "";
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--blue), var(--purple), var(--blue));
    filter: blur(2px);
    animation: ringSpin 8s linear infinite;
}

.home-img::after{
    content: "";
    position: absolute;
    inset: -36px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--purple-rgb), 0.45), rgba(var(--blue-rgb), 0.18) 45%, transparent 65%);
    z-index: -1;
    animation: glowPulse 3.5s ease-in-out infinite;
}

.home-img:hover::after{
    animation-play-state: paused;
    opacity: 1;
    transform: scale(1.22);
}

.home-img img{
    position: relative;
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center 20%;
    border-radius: 50%;
    box-shadow: 0 0 0 6px var(--bg);
    transition: 0.3s ease;
}

.home-img:hover img{
    box-shadow: 0 0 0 6px var(--bg), 0 0 40px rgba(var(--purple-rgb), 0.5);
}

@keyframes ringSpin{
    to{
        transform: rotate(360deg);
    }
}

@keyframes glowPulse{
    0%, 100%{
        opacity: 0.4;
        transform: scale(1);
    }
    50%{
        opacity: 1;
        transform: scale(1.22);
    }
}

.home-content > *{
    opacity: 0;
    animation: heroRise 0.7s ease forwards;
}

.home-content > *:nth-child(1){ animation-delay: 0.1s; }
.home-content > *:nth-child(2){ animation-delay: 0.2s; }
.home-content > *:nth-child(3){ animation-delay: 0.3s; }
.home-content > *:nth-child(4){ animation-delay: 0.4s; }
.home-content > *:nth-child(5){ animation-delay: 0.5s; }
.home-content > *:nth-child(6){ animation-delay: 0.6s; }

.home-content h1{
    font-family: 'Space Mono', monospace;
    font-size: clamp(2.2rem, 1.5rem + 2.8vw, 3.6rem);
    font-weight: 700;
    line-height: 1.25;
}

.home-content h4{
    font-family: 'Poppins', sans-serif;
    color: var(--text-dim);
    font-weight: 400;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.home-content p{
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 34rem;
    margin: 1.5rem 0;
    line-height: 1.8;
}

.cta-group{
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    margin-bottom: 2.2rem;
}

.social-icons{
    display: flex;
    gap: 1rem;
}

.social-icons a{
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 3rem;
    height: 3rem;
    background-color: transparent;
    border: 2px solid var(--purple);
    font-size: 1.2rem;
    border-radius: 50%;
    transition: 0.2s ease;
    color: var(--accent-light);
}

.social-icons a:hover{
    color: white;
    transform: scale(1.12) translateY(-4px);
    background-color: var(--purple);
    box-shadow: 0 0 25px rgba(var(--purple-rgb), 0.5);
}

.typing-text{
    font-family: 'Space Mono', monospace;
    font-size: clamp(1.2rem, 1rem + 1.1vw, 1.7rem);
    font-weight: 700;
    min-height: 1.6em;
    margin-top: 0.8rem;
}

#typedWord{
    color: var(--blue);
}

.typed-cursor{
    display: inline-block;
    width: 3px;
    height: 1em;
    margin-left: 2px;
    vertical-align: -0.15em;
    background-color: var(--blue);
    animation: blinkCursor 0.8s steps(1) infinite;
}

@keyframes blinkCursor{
    0%, 50%{ opacity: 1; }
    51%, 100%{ opacity: 0; }
}

/* ===== Projects ===== */

.projects-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.projects-grid .project-card:nth-child(1){ transition-delay: 0s; }
.projects-grid .project-card:nth-child(2){ transition-delay: 0.12s; }
.projects-grid .project-card:nth-child(3){ transition-delay: 0.24s; }

.project-carousel{
    position: relative;
    aspect-ratio: 16 / 10;
    border: 1px dashed var(--border);
    border-radius: 0.8rem;
    background-color: rgba(var(--purple-rgb), 0.04);
    overflow: hidden;
    margin-bottom: 1.6rem;
}

.project-carousel[data-carousel]{
    aspect-ratio: 16 / 9;
    border: none;
    background: #000;
    border-radius: 1rem;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

.project-carousel.portrait{
    aspect-ratio: 9 / 19.5;
    width: 260px;
    max-width: 72%;
    margin: 0 auto 1.6rem;
}

.carousel-track{
    display: flex;
    height: 100%;
    transition: transform 0.45s ease;
}

.carousel-slide{
    flex: 0 0 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    color: var(--text-dim);
    font-size: 0.8rem;
}

.project-carousel.portrait .carousel-slide{
    height: 100%;
}

.carousel-slide img,
.carousel-slide video{
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.carousel-slide i{
    font-size: 1.8rem;
    color: var(--purple);
    opacity: 0.6;
}

.carousel-btn{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.carousel-btn:hover{
    background-color: rgba(0, 0, 0, 0.55);
}

.carousel-btn.prev{ left: 0.7rem; }
.carousel-btn.next{ right: 0.7rem; }

.carousel-dots{
    position: absolute;
    bottom: 0.8rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.4rem;
}

.dot{
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: rgba(var(--purple-rgb), 0.35);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.dot.active{
    background-color: var(--purple);
    transform: scale(1.3);
}

.project-card h3{
    font-family: 'Space Mono', monospace;
    font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.1rem;
}

.card-tag{
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05rem;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 0.6rem;
}

.details-toggle{
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.4rem;
    background: none;
    cursor: pointer;
    color: var(--blue);
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04rem;
}

.details-toggle:hover{
    color: var(--accent-light);
}

.details-toggle i{
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.details-toggle[aria-expanded="true"] i{
    transform: rotate(180deg);
}

.details-panel{
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}

.details-panel.open{
    grid-template-rows: 1fr;
}

.details-inner{
    overflow: hidden;
}

.details-inner p{
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-top: 1rem;
}

.card-link{
    display: flex;
    width: fit-content;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.1rem;
    font-weight: 600;
    color: var(--blue);
    font-size: 0.9rem;
}

.card-link:hover{
    color: var(--accent-light);
}

/* ===== Skills ===== */

.skills-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-bottom: 3.5rem;
}

.skills-grid .skill-group:nth-child(1){ transition-delay: 0s; }
.skills-grid .skill-group:nth-child(2){ transition-delay: 0.1s; }
.skills-grid .skill-group:nth-child(3){ transition-delay: 0.2s; }
.skills-grid .skill-group:nth-child(4){ transition-delay: 0.3s; }

.skill-group h3{
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--accent-light);
}

.languages{
    border-top: 1px solid var(--border);
    padding-top: 2.8rem;
}

.languages h3{
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--accent-light);
}

.lang-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.lang-item{
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.7rem;
    padding: 0.9rem 1.2rem;
    font-size: 0.9rem;
}

.lang-name{
    font-weight: 700;
    font-size: 0.85rem;
}

.lang-level{
    color: var(--text-dim);
}

/* ===== Experience (timeline) ===== */

.timeline{
    position: relative;
    padding-left: 2.4rem;
    border-left: 2px solid var(--border);
}

.timeline-item{
    position: relative;
    margin-bottom: 3.2rem;
}

.timeline-item:last-child{
    margin-bottom: 0;
}

.timeline-content{
    opacity: 0.3;
    filter: blur(1px);
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease, filter 0.6s ease;
}

.timeline-content.in-focus{
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

.timeline-dot{
    position: absolute;
    left: -2.71rem;
    top: 0.3rem;
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 50%;
    background-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(var(--blue-rgb), 0.2);
}

.timeline-date{
    display: inline-block;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 0.6rem;
}

.timeline-content h3{
    font-size: 1.2rem;
    font-weight: 700;
}

.role-type{
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
}

.timeline-org{
    color: var(--text-dim);
    font-weight: 500;
    margin: 0.3rem 0 0.9rem;
}

.timeline-content ul{
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.timeline-content li{
    position: relative;
    padding-left: 1.2rem;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
}

.timeline-content li::before{
    content: "";
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--purple);
}

/* ===== Spotlight scroll (Projects & Experience, desktop/tablet-landscape only) ===== */

.spotlight-hint{
    display: none;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.spotlight-progress{
    display: none;
}

.spotlight-scroll.spotlight-active .spotlight-progress{
    display: block;
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.08rem;
    color: var(--text-dim);
}

.spotlight-scroll.spotlight-active{
    height: calc(var(--panel-count, 1) * 100vh);
}

.spotlight-scroll.spotlight-active .spotlight-stage{
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.spotlight-scroll.spotlight-active .spotlight-panel{
    position: absolute;
    inset: 0;
    margin: auto;
    height: fit-content;
    max-height: 82vh;
    overflow: auto;
    transition: none;
}

.spotlight-scroll.spotlight-active .project-card.spotlight-panel{
    width: min(90vw, 560px);
}

.spotlight-scroll.spotlight-active .project-card.vertical-project{
    width: min(90vw, 460px);
}

.spotlight-scroll.spotlight-active .timeline-item.spotlight-panel{
    width: min(90vw, 680px);
}

.spotlight-scroll.spotlight-active .edu-card.spotlight-panel{
    width: min(90vw, 420px);
    text-align: center;
}

.spotlight-scroll.spotlight-active .edu-card.spotlight-panel i{
    font-size: 2.4rem;
}

.spotlight-scroll.spotlight-active .timeline{
    border-left: none;
    padding-left: 0;
}

.spotlight-scroll.spotlight-active .timeline-dot{
    display: none;
}

.spotlight-scroll.spotlight-active .timeline-content{
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
}

/* ===== Education ===== */

.education-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.6rem;
}

.education-grid .edu-card:nth-child(1){ transition-delay: 0s; }
.education-grid .edu-card:nth-child(2){ transition-delay: 0.1s; }
.education-grid .edu-card:nth-child(3){ transition-delay: 0.2s; }
.education-grid .edu-card:nth-child(4){ transition-delay: 0.3s; }

.edu-card{
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.9rem;
    transition: 0.3s ease;
}

.edu-card:hover{
    border-color: var(--purple);
    transform: translateY(-4px);
}

.edu-card i{
    font-size: 1.4rem;
    color: var(--blue);
    margin-bottom: 0.9rem;
}

.edu-card h3{
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.edu-org{
    color: var(--text-dim);
    font-size: 0.9rem;
}

.edu-date{
    font-family: 'Space Mono', monospace;
    color: var(--accent-light);
    font-size: 0.8rem;
    margin-top: 0.7rem;
}

/* ===== Contact ===== */

.contact-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.4rem;
}

.contact-grid .contact-card:nth-child(1){ transition-delay: 0s; }
.contact-grid .contact-card:nth-child(2){ transition-delay: 0.1s; }
.contact-grid .contact-card:nth-child(3){ transition-delay: 0.2s; }

.contact-card{
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.4rem 1.6rem;
    color: var(--text);
    font-size: 0.95rem;
    transition: 0.3s ease;
    word-break: break-word;
}

.contact-card i{
    font-size: 1.3rem;
    color: var(--blue);
    flex-shrink: 0;
}

.contact-card:hover{
    border-color: var(--purple);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

/* ===== Footer ===== */

footer{
    text-align: center;
    padding: 2.4rem 9%;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* ===== Light theme ===== */

:root[data-theme="light"] header{
    background-color: rgba(253, 246, 236, 0.7);
}

:root[data-theme="light"] header.scrolled{
    background-color: rgba(253, 246, 236, 0.92);
}

:root[data-theme="light"] nav a,
:root[data-theme="light"] .btn{
    border-color: #1a1a1a;
    border-style: solid;
}

:root[data-theme="light"] nav a{
    box-shadow: 3px 3px 0 0 #1a1a1a;
    border-radius: 10px 4px 12px 5px / 8px 12px 5px 10px;
}

:root[data-theme="light"] nav a:hover{
    box-shadow: 1.5px 1.5px 0 0 #1a1a1a;
}

:root[data-theme="light"] nav a:active{
    box-shadow: 0 0 0 0 #1a1a1a;
}

:root[data-theme="light"] nav a.active{
    border-color: #1a1a1a;
    box-shadow: 1.5px 1.5px 0 0 #1a1a1a;
    color: #fffaf3;
}

:root[data-theme="light"] .btn{
    box-shadow: 5px 5px 0 0 #1a1a1a;
    border-radius: 14px 5px 16px 6px / 10px 16px 6px 14px;
}

:root[data-theme="light"] .btn:hover{
    box-shadow: 2.5px 2.5px 0 0 #1a1a1a;
}

:root[data-theme="light"] .btn:active{
    box-shadow: 0 0 0 0 #1a1a1a;
}

/* ===== Reveal-on-scroll timing =====
   Placed after every card-type's own `transition` rule (.card, .edu-card,
   .contact-card) so this consistently wins the cascade (equal specificity,
   later source order) instead of being overridden by their hover-transition
   shorthand on elements that carry both classes. */

.reveal{
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.eyebrow.reveal + .section-title.reveal{
    transition-delay: 0.1s;
}

.section-title.reveal + .section-subtitle.reveal{
    transition-delay: 0.2s;
}

/* ===== Responsive ===== */

@media (max-width: 1180px){
    nav{
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(75vw, 320px);
        flex-direction: column;
        flex-wrap: nowrap;
        justify-content: center;
        align-items: stretch;
        gap: 0.9rem;
        padding: 2rem 2.4rem;
        overflow-y: auto;
        background-color: var(--surface);
        border-left: 1px solid var(--border);
        transform: translateX(100%);
        transition: transform 0.35s ease;
    }

    nav.active{
        transform: translateX(0);
    }

    nav a{
        text-align: center;
        font-size: 0.95rem;
        padding: 0.8rem 1rem;
    }

    .menu-toggle{
        display: block;
    }
}

@media (max-width: 995px){
    .home-container{
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }

    .home-content p{
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group,
    .social-icons{
        justify-content: center;
    }

    .home-img{
        width: 55vw;
        max-width: 300px;
    }
}

@media (max-width: 640px){
    header{
        padding: 1.1rem 6%;
    }

    .home{
        padding: 7rem 6% 4rem;
    }

    .section{
        padding: 4.5rem 6%;
    }

    main > .section:first-child{
        padding-top: 7.5rem;
    }

    .timeline{
        padding-left: 1.6rem;
    }

    .timeline-dot{
        left: -1.9rem;
    }

    .cta-group,
    .social-icons{
        width: 100%;
    }

    .btn{
        flex: 1;
        text-align: center;
    }
}