/* ================= HERO ================= */
.hero {
    position: relative;
    min-height: calc(100svh - var(--header-h));
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    isolation: isolate;
    margin-top: calc(var(--header-h) * -1);
    padding-top: var(--header-h);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__img {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.12);
    transition: opacity 1.2s var(--ease-in-out), transform 7s linear;
}

    .hero__img.is-active {
        opacity: 1;
        transform: scale(1);
    }

    .hero__img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        filter: grayscale(0.35) contrast(1.05);
    }

.hero__shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(11, 10, 10, 0.55) 0%, rgba(11, 10, 10, 0.25) 35%, rgba(11, 10, 10, 0.92) 85%, var(--c-bg) 100%),
        linear-gradient(90deg, rgba(11, 10, 10, 0.85) 0%, rgba(11, 10, 10, 0.2) 70%);
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 60%, #000 20%, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 60% at 30% 60%, #000 20%, transparent 75%);
}

.hero__glow {
    position: absolute;
    width: 640px;
    height: 640px;
    left: calc(var(--gx, 30%) - 320px);
    top: calc(var(--gy, 60%) - 320px);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 127, 0, 0.28), transparent 65%);
    filter: blur(20px);
    transition: left 1.2s var(--ease-out), top 1.2s var(--ease-out);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    width: 100%;
    padding-block: var(--s-8) clamp(5rem, 4rem + 4vw, 8rem);
}

.hero__slides {
    display: grid;
}

.hero__slide {
    grid-area: 1 / 1;
    max-width: 960px;
    visibility: hidden;
}

    .hero__slide.is-active {
        visibility: visible;
    }

    .hero__slide > * {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
    }

    .hero__slide.is-active > * {
        opacity: 1;
        transform: none;
        transition-duration: 1s;
    }

        .hero__slide.is-active > :nth-child(2) { transition-delay: 0.1s; }
        .hero__slide.is-active > :nth-child(3) { transition-delay: 0.22s; }
        .hero__slide.is-active > :nth-child(4) { transition-delay: 0.34s; }

.hero__eyebrow span {
    color: var(--c-text);
}

.hero__title {
    margin-top: var(--s-4);
    font-size: var(--fs-hero);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.05em;
    text-wrap: balance;
}

.hero__lead {
    max-width: 56ch;
    margin-top: var(--s-5);
    font-size: var(--fs-lg);
    color: var(--c-text-muted);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-3);
    margin-top: var(--s-6);
}

.hero__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-5);
    margin-top: var(--s-8);
}

.hero__dots {
    display: flex;
    gap: var(--s-2);
}

.hero__dot {
    position: relative;
    width: 56px;
    height: 32px;
    padding: 0;
    background: none;
    border: 0;
}

    .hero__dot::before,
    .hero__dot span {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 50%;
        height: 3px;
        border-radius: 3px;
        transform: translateY(-50%);
        background: rgba(255, 255, 255, 0.2);
    }

    .hero__dot span {
        background: var(--c-accent);
        transform-origin: left;
        transform: translateY(-50%) scaleX(0);
    }

    .hero__dot.is-active span {
        animation: dot-fill var(--hero-delay, 6500ms) linear forwards;
    }

.hero.is-paused .hero__dot.is-active span {
    animation-play-state: paused;
}

@keyframes dot-fill {
    to { transform: translateY(-50%) scaleX(1); }
}

.hero__arrows {
    display: flex;
    gap: var(--s-2);
}

.hero__scroll {
    position: absolute;
    right: var(--gutter);
    bottom: var(--s-7);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--s-3);
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    color: var(--c-text-muted);
}

    .hero__scroll i {
        position: relative;
        width: 1px;
        height: 64px;
        background: var(--c-line-strong);
        overflow: hidden;
    }

        .hero__scroll i::after {
            content: "";
            position: absolute;
            inset: 0;
            background: var(--c-accent);
            animation: scroll-line 2.2s var(--ease-in-out) infinite;
        }

@keyframes scroll-line {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

@media (min-width: 992px) {
    .hero__scroll {
        display: flex;
    }

    .hero__controls {
        max-width: calc(100% - 80px);
    }
}

/* ================= LIST PAGES ================= */
.section--list {
    padding-top: var(--s-6);
}

/* ================= CONTACT ================= */
.contact__grid {
    display: grid;
    gap: var(--s-7);
    align-items: start;
}

.contact__title {
    margin-top: var(--s-3);
    font-size: var(--fs-3xl);
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1;
}

.contact__lead {
    margin-top: var(--s-5);
    max-width: 44ch;
    color: var(--c-text-muted);
    font-size: var(--fs-lg);
}

.contact__social {
    display: grid;
    gap: var(--s-3);
    margin-top: var(--s-6);
    padding: 0;
    list-style: none;
}

.contact__card {
    padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem);
}

.contact-form {
    display: grid;
    gap: var(--s-4);
}

.contact-form__submit {
    justify-self: start;
    margin-top: var(--s-2);
}

.contact__response:empty {
    display: none;
}

.contact__response .notice {
    animation: pop-in 600ms var(--ease-out) both;
}

@keyframes pop-in {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
}

@media (min-width: 992px) {
    .contact__grid {
        grid-template-columns: 1fr 1.1fr;
        gap: var(--s-9);
    }

    .contact__intro {
        position: sticky;
        top: calc(var(--header-h) + var(--s-6));
    }
}

/* ================= CV ================= */
.cv-hero {
    position: relative;
    padding-block: clamp(3rem, 2rem + 5vw, 6rem) var(--s-6);
    overflow: hidden;
    isolation: isolate;
}

.cv-hero__glow {
    position: absolute;
    z-index: -1;
    right: -10%;
    top: -20%;
    width: 70vw;
    max-width: 900px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(255, 127, 0, 0.2), transparent 60%);
}

.cv-hero__grid {
    display: grid;
    gap: var(--s-7);
    align-items: end;
}

.cv-hero__name {
    margin-top: var(--s-4);
    font-size: var(--fs-hero);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.055em;
}

.cv-hero__role {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    margin-top: var(--s-5);
    padding: 0.55rem 1rem;
    border-radius: var(--r-pill);
    border: 1px solid var(--c-line-strong);
    background: rgba(255, 255, 255, 0.03);
    font-size: var(--fs-sm);
    color: var(--c-text);
}

.cv-hero__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-success);
    box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    70% { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); }
    100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

.cv-hero__photo {
    position: relative;
    justify-self: start;
    width: min(100%, 360px);
    margin: 0;
}

    .cv-hero__photo picture {
        display: block;
        aspect-ratio: 3 / 4;
        border-radius: var(--r-xl);
        overflow: hidden;
        border: 1px solid var(--c-line-strong);
        box-shadow: var(--shadow-2);
    }

    .cv-hero__photo img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        filter: grayscale(0.2);
        transition: filter var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
    }

    .cv-hero__photo:hover img {
        filter: none;
        transform: scale(1.03);
    }

    .cv-hero__photo::before {
        content: "";
        position: absolute;
        inset: 18px -18px -18px 18px;
        z-index: -1;
        border-radius: var(--r-xl);
        border: 1px solid var(--c-accent);
        opacity: 0.5;
    }

.cv-hero__badge {
    position: absolute;
    right: -14px;
    top: 24px;
    display: grid;
    place-items: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--c-bg);
    border: 1px solid var(--c-line-strong);
    animation: float 6s var(--ease-in-out) infinite;
}

@keyframes float {
    50% { transform: translateY(-10px) rotate(6deg); }
}

@media (min-width: 768px) {
    .cv-hero__grid {
        grid-template-columns: 1.4fr 1fr;
    }

    .cv-hero__photo {
        justify-self: end;
    }
}

.cv-about__grid {
    display: grid;
    gap: var(--s-5);
}

@media (min-width: 992px) {
    .cv-about__grid {
        grid-template-columns: 1fr 2fr;
        gap: var(--s-9);
    }
}

.cv-about__text {
    font-size: var(--fs-lg);
}

/* Personal working principles */
.cv-approach {
    margin-top: var(--s-8);
}

.cv-approach__header {
    margin-bottom: var(--s-5);
}

.cv-approach__header h3 {
    max-width: 32ch;
    font-size: var(--fs-xl);
}

.cv-approach__list {
    display: grid;
    gap: var(--s-4);
    margin: 0;
    padding: 0;
    list-style: none;
}

.cv-approach__card {
    min-width: 0;
    padding: var(--s-5);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    background: linear-gradient(135deg, var(--c-accent-soft), transparent 65%), var(--c-bg-2);
}

.cv-approach__icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-bottom: var(--s-5);
    border: 1px solid var(--c-accent-soft);
    border-radius: var(--r-md);
    background: var(--c-accent-soft);
    color: var(--c-accent-hi);
    font-size: var(--fs-lg);
}

.cv-approach__icon svg {
    width: 24px;
    height: 24px;
}

.cv-approach__card h4 {
    margin-bottom: var(--s-3);
    font-size: var(--fs-lg);
}

.cv-approach__card p {
    color: var(--c-text-muted);
    font-size: var(--fs-sm);
    line-height: 1.75;
}

@media (min-width: 768px) {
    .cv-approach__list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Skills */
.skill-grid {
    display: grid;
    gap: var(--s-4);
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
    margin: 0;
    padding: 0;
    list-style: none;
}

.skill-card {
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
    padding: var(--s-5);
    transition: transform var(--t-med) var(--ease-out), border-color var(--t-med);
}

    .skill-card:hover {
        transform: translateY(-4px);
        border-color: var(--c-line-strong);
    }

.skill-card__index {
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    color: var(--c-accent);
}

.skill-card__title {
    margin-top: auto;
    font-size: var(--fs-xl);
    font-weight: 700;
}

@media (min-width: 576px) {
    .skill-card {
        min-height: 200px;
        padding: var(--s-6);
    }
}

.skill-card__desc {
    color: var(--c-text-muted);
    font-size: var(--fs-sm);
}

/* Timeline */
.timeline {
    --rail-x: 11px;
    position: relative;
    display: grid;
    gap: var(--s-6);
    margin: 0;
    padding: 0 0 0 calc(var(--rail-x) + 32px);
    list-style: none;
}

.timeline__rail {
    position: absolute;
    left: var(--rail-x);
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--c-line);
    border-radius: 2px;
}

    .timeline__rail span {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, var(--c-accent-hi), var(--c-accent));
        box-shadow: 0 0 14px var(--c-accent-glow);
        transform-origin: top;
        transform: scaleY(var(--tl, 0));
        border-radius: inherit;
    }

.timeline__item {
    position: relative;
}

.timeline__node {
    position: absolute;
    left: calc((var(--rail-x) + 32px) * -1 + var(--rail-x) - 7px);
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--c-bg);
    border: 2px solid var(--c-line-strong);
    transition: border-color var(--t-med), box-shadow var(--t-med), background-color var(--t-med);
}

.timeline__item.is-past .timeline__node {
    border-color: var(--c-accent);
    background: var(--c-accent);
    box-shadow: 0 0 0 5px var(--c-accent-soft);
}

.timeline__date {
    display: inline-block;
    margin-bottom: var(--s-3);
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    color: var(--c-accent);
    letter-spacing: 0.04em;
}

.timeline__card {
    padding: var(--s-5) var(--s-6);
}

.timeline__title {
    font-size: var(--fs-xl);
    font-weight: 700;
}

.timeline__desc {
    margin-top: var(--s-2);
    color: var(--c-text-muted);
}

@media (min-width: 992px) {
    .timeline {
        max-width: 860px;
    }
}

/* Education */
.edu-grid {
    display: grid;
    gap: var(--s-4);
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
}

.edu-card {
    display: flex;
    align-items: center;
    gap: var(--s-5);
    padding: var(--s-5);
}

.edu-card__logo {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 76px;
    height: 76px;
    padding: var(--s-3);
    border-radius: var(--r-md);
    background: #f5f2ee;
}

    .edu-card__logo img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

.edu-card__title {
    font-size: var(--fs-lg);
    font-weight: 700;
}

.edu-card__meta {
    margin-top: var(--s-1);
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    color: var(--c-text-muted);
}

/* ================= CONTENT PARTS ================= */
.content-parts {
    padding-bottom: var(--s-2);
}

.cp-grid {
    padding-block: var(--s-6);
}

    .cp-grid > .row {
        margin-inline: 0;
    }

.content-parts .image {
    margin: 0;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--c-line);
}

    .content-parts .image img {
        width: 100%;
        height: auto;
    }

/* ================= ERROR ================= */
.error-page {
    position: relative;
    min-height: calc(100svh - var(--header-h) - 120px);
    display: grid;
    place-items: center;
    padding-block: var(--s-8);
    overflow: hidden;
    isolation: isolate;
    text-align: center;
}

.error-page__glow {
    position: absolute;
    z-index: -1;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(255, 127, 0, 0.18), transparent 55%);
}

.error-page__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.error-page__code {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 1.5rem);
    font-family: var(--f-display);
    font-size: clamp(6rem, 3rem + 14vw, 14rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.06em;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--c-line-strong);
}

.error-page__zero {
    display: grid;
    place-items: center;
    width: 0.8em;
    height: 0.8em;
    border-radius: 50%;
    border: 1.5px solid var(--c-accent);
    box-shadow: 0 0 60px var(--c-accent-glow);
    animation: float 5s var(--ease-in-out) infinite;
}

    .error-page__zero img {
        width: 45%;
        height: auto;
    }

.error-page__title {
    margin-top: var(--s-4);
    font-size: var(--fs-3xl);
    font-weight: 800;
    letter-spacing: -0.04em;
}

.error-page__lead {
    margin-top: var(--s-4);
    max-width: 50ch;
    color: var(--c-text-muted);
}

.error-page__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--s-3);
    margin-top: var(--s-6);
}