:root {
    --color-ink: #eeeeee;
    --color-muted: rgba(238, 238, 238, 0.72);
    --color-bg: #222831;
    --color-surface: #2f3643;
    --color-surface-alt: rgba(57, 62, 70, 0.64);
    --color-accent: #ffd369;
    --color-accent-strong: #ffdf88;
    --color-border: rgba(238, 238, 238, 0.12);
    --color-shadow: rgba(10, 14, 25, 0.45);
    --layout-max-width: 1200px;
    --section-spacing: clamp(4rem, 6vw, 6rem);
    color-scheme: dark;
    font-family: 'Outfit', 'Poppins', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body.portfolio-body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top right, rgba(255, 211, 105, 0.18), transparent 40%),
        radial-gradient(circle at 15% 20%, rgba(0, 173, 181, 0.18), transparent 46%),
        linear-gradient(180deg, #1b2029 0%, var(--color-bg) 60%, #1b1f27 100%);
    color: var(--color-ink);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: inherit;
}

p {
    margin: 0;
    color: var(--color-muted);
    line-height: 1.7;
}

h1, h2, h3, h4 {
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-ink);
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.container {
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.container-v2 {
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.announcement-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: linear-gradient(135deg, rgba(255, 211, 105, 0.95), rgba(255, 184, 77, 0.95));
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 211, 105, 0.3);
    box-shadow: 0 4px 24px rgba(255, 211, 105, 0.2);
    animation: slideInDown 0.5s ease-out;
    transform-origin: top;
}

.announcement-banner.hidden {
    animation: slideOutUp 0.4s ease-in forwards;
}

.announcement-banner__content {
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: 1.8rem clamp(1.5rem, 4vw, 3rem);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.announcement-banner__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #222831;
    flex-shrink: 0;
}

.announcement-banner__text {
    flex: 1;
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.5;
    color: #222831;
    text-align: center;
}

.announcement-banner__text strong {
    font-weight: 600;
}

.announcement-banner__close {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #222831;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 6px;
    transition: background 0.3s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.announcement-banner__close:hover {
    background: rgba(34, 40, 49, 0.1);
    transform: scale(1.1);
}

.announcement-banner__close:active {
    transform: scale(0.95);
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideOutUp {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(34, 40, 49, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}

.brand {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-nav a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-muted);
    position: relative;
}

.site-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--color-ink);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.55rem 0.65rem;
    gap: 0.3rem;
    flex-direction: column;
    cursor: pointer;
    color: inherit;
}

.nav-toggle__line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 999px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--section-spacing);
    padding-block: var(--section-spacing);
}

.hero {
    padding-block: clamp(5rem, 10vw, 8rem);
}

.hero__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: center;
}

.hero__eyebrow {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.26em;
    color: var(--color-accent-strong);
}

.hero__title {
    font-size: clamp(2.8rem, 4vw + 1.5rem, 4.3rem);
    line-height: 1.1;
}

.hero__subtitle {
    margin-top: 1.25rem;
    font-size: 1.05rem;
}

.hero__cta-group {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    border: none;
}

.btn--primary {
    background: var(--color-accent);
    color: #222831;
    box-shadow: 0 16px 36px rgba(255, 211, 105, 0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--color-ink);
    border: 1px solid var(--color-border);
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-2px);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    box-shadow: 0 20px 44px rgba(255, 211, 105, 0.45);
    background: var(--color-accent-strong);
}

.hero__stats {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.stat-pill {
    padding: 1rem 1.25rem;
    background: rgba(57, 62, 70, 0.6);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: grid;
    gap: 0.2rem;
    box-shadow: 0 18px 38px rgba(17, 22, 32, 0.4);
}

.stat-pill strong {
    font-size: 1.6rem;
    color: var(--color-accent-strong);
}

.stat-pill span {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.hero__portrait {
    position: relative;
    width: min(320px, 90vw);
    aspect-ratio: 1;
    margin: 0 auto;
}

.hero__portrait-glow {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 211, 105, 0.55), transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(136, 221, 255, 0.35), transparent 62%);
    filter: blur(0px);
    opacity: 0.7;
}

.hero__portrait-frame {
    position: absolute;
    inset: 12%;
    border-radius: 32% 68% 58% 42% / 46% 30% 70% 54%;
    background: linear-gradient(145deg, rgba(34, 40, 49, 0.95), rgba(15, 20, 29, 0.9));
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 30px 60px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}

.hero__portrait-avatar {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.85;
    z-index: 0;
}

.hero__portrait-tag {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    background: rgba(255, 211, 105, 0.18);
    color: var(--color-accent-strong);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 211, 105, 0.6);
    backdrop-filter: blur(8px);
}

.hero__portrait-stars {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 0.6rem;
    align-self: flex-end;
}

.hero__portrait-stars span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 12px rgba(255, 211, 105, 0.9);
    animation: twinkle 2.4s ease-in-out infinite;
}

.hero__portrait-stars span:nth-child(2) {
    width: 9px;
    height: 9px;
    animation-delay: 0.6s;
}

.hero__portrait-stars span:nth-child(3) {
    width: 14px;
    height: 14px;
    animation-delay: 1.2s;
}

.section {
    display: block;
}

.section__header {
    display: grid;
    gap: 1rem;
    margin-bottom: 3.5rem;
    max-width: 660px;
}

.section__header h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
}

.skills__marquees {
    display: grid;
    gap: 2.5rem;
}

.skills-marquee {
    display: grid;
    gap: 1.25rem;
}

.skills-marquee__title {
    font-size: clamp(1.4rem, 2vw, 1.8rem);
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.skills-marquee__viewport {
    position: relative;
    display: grid;
    gap: 0.65rem;
    padding: 0.5rem 0;
    overflow: hidden;
    border: 1px solid rgb(40 44 53);
    background: linear-gradient(135deg, rgba(57, 62, 70, 0.75), rgba(34, 40, 49, 0.85));
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

.skills-marquee__viewport::before,
.skills-marquee__viewport::after {
    content: '';
    position: absolute;
    top: 0;
    width: 120px;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.skills-marquee__viewport::before {
    left: 0;
    background: linear-gradient(90deg, rgba(34, 40, 49, 0.95), transparent);
}

.skills-marquee__viewport::after {
    right: 0;
    background: linear-gradient(270deg, rgba(34, 40, 49, 0.95), transparent);
}

.skills-marquee__row {
    position: relative;
    overflow: hidden;
    padding: 0.3rem 0;
}

.skills-marquee__slider {
    display: flex;
    width: max-content;
    padding: 0.85rem 0;
    animation: skills-marquee-left 24s linear infinite;
}



.skills-marquee__slider:hover {
    animation-play-state: paused;
}

.skills-marquee__slider--programming-top {
    animation-duration: 34s;
    animation-direction: reverse;
}

.skills-marquee__slider--programming-mid {
    animation-duration: 24s;
}

.skills-marquee__slider--programming-bottom {
    animation-duration: 18s;
    animation-direction: reverse;
}

.skills-marquee__slider--devops {
    animation-duration: 15s;
}

.skills-marquee__slider--software {
    animation-duration: 16s;
    animation-direction: reverse;
}

.skills-marquee__list {
    display: flex;
    gap: 1rem;
    padding: 0 1rem 0 0;
    margin: 0;
    list-style: none;
}

.skill-pill {
    display: inline-flex;
    cursor: pointer;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    background: rgba(238, 238, 238, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text);
    white-space: nowrap;
    font-size: 0.95rem;
    box-shadow: 0 18px 34px rgba(12, 16, 24, 0.22);
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.special {
    background: rgba(255, 211, 105, 0.12);
    border-color: rgba(255, 211, 105, 0.28);
}

.skill-pill:hover,
.skill-pill:focus-visible {
    transform: translateY(-3px);
    border-color: rgba(255, 211, 105, 0.35);
}

.skill-pill__icon img {
    width: 1.1rem;
    height: 1.1rem;
}

.skill-pill__label {
    font-weight: 500;
}

@keyframes skills-marquee-left {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.timeline__track {
    position: relative;
    display: grid;
    gap: 2rem;
    padding-left: 1.5rem;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.timeline__item {
    position: relative;
    padding-left: 1.5rem;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -2.1rem;
    top: 0.4rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(255, 211, 105, 0.18);
}

.timeline__badge {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent-strong);
    margin-bottom: 0.6rem;
}

.timeline__item h3 {
    font-size: 1.35rem;
    margin-bottom: 0.4rem;
}

.timeline__item p {
    font-size: 0.98rem;
    line-height: 1.65;
    color: var(--color-muted);
    margin-top: 0.8rem;
}

.timeline__intro {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-ink) !important;
    margin-top: 1rem !important;
    margin-bottom: 0.5rem;
}

.timeline__list {
    margin-top: 0.75rem;
    padding-left: 1.25rem;
    list-style: none;
    display: grid;
    gap: 0.6rem;
}

.timeline__list li {
    position: relative;
    font-size: 0.93rem;
    line-height: 1.6;
    color: var(--color-muted);
    padding-left: 1.5rem;
}

.timeline__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.8;
}

.events__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.event-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 24px;
    background: rgba(47, 54, 67, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 48px rgba(11, 16, 24, 0.45);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.event-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 32px 64px rgba(11, 16, 24, 0.65);
    border-color: rgba(255, 211, 105, 0.2);
}

.event-card__image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: rgba(34, 40, 49, 0.8);
}

.event-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease, filter 0.4s ease;
}

.event-card:hover .event-card__image {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.event-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(34, 40, 49, 0.3) 100%);
    pointer-events: none;
}

.event-card__content {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.event-card__title {
    font-size: 1.25rem;
    color: var(--color-ink);
    line-height: 1.3;
    margin: 0;
    transition: color 0.3s ease;
}

.event-card:hover .event-card__title {
    color: var(--color-accent-strong);
}

.event-card__description {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-muted);
    margin: 0;
}

.event-card__description .link-a {
    color: var(--color-accent-strong);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color 0.3s ease;
}

.event-card__description .link-a:hover {
    color: var(--color-accent);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 28px;
    background: rgba(47, 54, 67, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 28px 45px rgba(11, 16, 24, 0.55);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 32px 55px rgba(11, 16, 24, 0.7);
}

.project-card__image-container {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 24px 24px 0 0;
    background: rgba(34, 40, 49, 0.6);
}

.project-card__image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.project-card:hover .project-card__image {
    transform: scale(1.08);
}

.project-card__image--horizon {
    background-image: url(assets/projects/explo-reims.png);
}

.project-card__image--aurora {
    background-image: url(assets/projects/escape-the-maze.png);
}

.project-card__image--atlas {
    background-image: url(assets/projects/expo.png);
}

.project-card__image--tutoriel-eni {
    background-image: url(assets/projects/tuto-eni.png);
}

.project-card__image--parser-cpp {
    background-image: url(assets/projects/parser-cpp.png);
}

.project-card__image--crud-tv-show {
    background-image: url(assets/projects/crud-tv-show.png);
}

.project-card__overlay {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.75rem;
    background: transparent;
}

.project-card:hover .project-card__overlay {
    background: rgba(34, 40, 49, 0.15);
}

.project-card__content {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    flex: 1;
}

.project-card__content h3 {
    font-size: 1.35rem;
    margin: 0;
    color: var(--color-ink);
}

.project-card__content p {
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--color-muted);
    margin: 0;
}

.project-card__stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.stack-badge {
    font-size: 0.75rem;
    padding: 0.35rem 0.7rem;
    background: rgba(255, 211, 105, 0.15);
    border: 1px solid rgba(255, 211, 105, 0.3);
    border-radius: 999px;
    color: var(--color-accent-strong);
    font-weight: 500;
    white-space: nowrap;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.project-card:hover .stack-badge {
    background: rgba(255, 211, 105, 0.22);
    border-color: rgba(255, 211, 105, 0.45);
}

.project-card__github {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(238, 238, 238, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    color: var(--color-ink);
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 0.75rem;
    align-self: flex-start;
}

.project-card__github:hover,
.project-card__github:focus-visible {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #222831;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 211, 105, 0.3);
}

.project-card__github svg {
    display: block;
}

.contact__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    align-items: start;
    background: rgba(57, 62, 70, 0.6);
    border-radius: 32px;
    padding: clamp(2rem, 5vw, 3rem);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 36px 60px rgba(13, 18, 27, 0.5);
}

.contact__content h2 {
    font-size: clamp(2rem, 3vw, 2.6rem);
    margin-bottom: 1rem;
}

.contact__socials {
    margin-top: 1.5rem;
    display: flex;
    gap: 1.5rem;
}

.contact__socials a {
    text-decoration: none;
    font-weight: 500;
    color: var(--color-accent-strong);
    transition: color 0.3s ease;
}

.contact__socials a:hover,
.contact__socials a:focus-visible {
    color: var(--color-ink);
}

.contact__form {
    display: grid;
    gap: 1.25rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    color: var(--color-ink);
}

input,
textarea {
    background: rgba(20, 24, 32, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 0.9rem 1.1rem;
    color: var(--color-ink);
    font: inherit;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

input::placeholder,
textarea::placeholder {
    color: rgba(238, 238, 238, 0.45);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(255, 211, 105, 0.2);
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.form-message {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    animation: slideDown 0.3s ease;
}

.form-message.success {
    background: rgba(46, 213, 115, 0.15);
    border: 1px solid rgba(46, 213, 115, 0.3);
    color: #2ed573;
}

.form-message.error {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: #ff4757;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 2rem 0 3rem;
    background: rgba(17, 20, 28, 0.85);
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

.site-footer__top {
    align-self: center;
    text-decoration: none;
    font-weight: 600;
    color: var(--color-accent-strong);
    position: relative;
}

.site-footer__top::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.site-footer__top:hover::after,
.site-footer__top:focus-visible::after {
    transform: scaleX(1);
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.6s ease, opacity 0.6s ease;
}

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

@keyframes twinkle {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.35); }
}

@media (max-width: 900px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        inset: 72px 1.5rem auto;
        flex-direction: column;
        align-items: flex-start;
        background: rgba(26, 32, 42, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 20px;
        padding: 1.5rem;
        box-shadow: 0 20px 40px rgba(10, 14, 24, 0.55);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
    }

    .site-nav.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-toggle[aria-expanded='true'] .nav-toggle__line:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle[aria-expanded='true'] .nav-toggle__line:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle[aria-expanded='true'] .nav-toggle__line:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .hero__title {
        font-size: clamp(2.3rem, 6vw, 3.4rem);
    }

    .hero__stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .announcement-banner__content {
        padding: 0.75rem 1.5rem;
    }

    .announcement-banner__text {
        font-size: 0.85rem;
    }

    .announcement-banner__icon {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero__cta-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline__track {
        padding-left: 1rem;
    }

    .timeline__item {
        padding-left: 1rem;
    }

    .timeline__item::before {
        left: -1.6rem;
    }

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

    .contact__socials {
        flex-direction: column;
        align-items: flex-start;
    }
}