/* =========================================================
   María Inés Calderón Zetter — Landing Page
   Design tokens
   ========================================================= */
:root {
    --color-ink: #0b1220;
    --color-ink-soft: #1b2740;
    --color-paper: #ffffff;
    --color-paper-tint: #f4f6fb;
    --color-border: #e3e7f0;
    --color-text: #1c2434;
    --color-text-muted: #5b6478;
    --color-text-onDark: #eef1f8;
    --color-text-onDark-muted: #aab3cc;
    --color-accent: #b8862f;
    --color-accent-soft: #f4e6c9;
    --color-teal: #0e7c86;

    --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-md: 0 12px 30px -12px rgba(11, 18, 32, 0.25);
    --max-width: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-paper);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: var(--font-display);
    line-height: 1.15;
    margin: 0 0 0.5em;
    color: var(--color-ink);
}

p {
    margin: 0 0 1em;
}

a {
    color: inherit;
}

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

.wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-inline: 24px;
}

.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;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-ink);
    color: #fff;
    padding: 10px 16px;
    border-radius: 0 0 8px 0;
    z-index: 200;
}

.skip-link:focus {
    left: 0;
}

[data-i18n][hidden] {
    display: none !important;
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-block: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-ink);
    margin-right: auto;
}

.brand__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--color-ink), var(--color-ink-soft));
    color: var(--color-accent-soft);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.brand__name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.15;
}

.brand__name small {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 0.92rem;
    font-weight: 500;
}

.site-nav a {
    text-decoration: none;
    color: var(--color-text);
}

.site-nav a:hover {
    color: var(--color-accent);
}

.site-nav__cta {
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--color-ink);
    color: #fff !important;
}

.lang-switch {
    display: inline-flex;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    overflow: hidden;
    flex-shrink: 0;
}

.lang-switch button {
    border: 0;
    background: transparent;
    padding: 6px 12px;
    font: inherit;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    cursor: pointer;
    color: var(--color-text-muted);
}

.lang-switch button[aria-pressed="true"] {
    background: var(--color-ink);
    color: #fff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--color-ink);
    margin-inline: 7px;
}

@media (max-width: 860px) {
    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 8px 24px 16px;
        display: none;
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid var(--color-border);
    }

    .site-nav__cta {
        display: inline-block;
        margin-top: 10px;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }
}

/* =========================================================
   Buttons / Badges
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn--primary {
    background: var(--color-accent);
    color: #1a1204;
    box-shadow: var(--shadow-md);
}

.btn--ghost {
    background: transparent;
    border-color: currentColor;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--color-accent-soft);
    color: #5c4212;
    font-size: 0.82rem;
    font-weight: 600;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
    background:
        radial-gradient(circle at 15% 20%, rgba(184, 134, 47, 0.18), transparent 45%),
        linear-gradient(160deg, var(--color-ink) 0%, var(--color-ink-soft) 100%);
    color: var(--color-text-onDark);
    padding-block: 84px 90px;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 48px;
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent-soft);
    margin-bottom: 14px;
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    color: #fff;
    margin-bottom: 18px;
}

.hero__lead {
    font-size: 1.08rem;
    color: var(--color-text-onDark-muted);
    max-width: 60ch;
}

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0 30px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero .btn--ghost {
    color: #fff;
}

.hero__avatar {
    display: flex;
    justify-content: center;
}

.avatar-monogram {
    width: clamp(150px, 22vw, 220px);
    aspect-ratio: 1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.4rem, 6vw, 3.6rem);
    color: var(--color-ink);
    background: linear-gradient(150deg, #fff, var(--color-accent-soft));
    border: 6px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-md);
}

.avatar-photo {
    width: clamp(150px, 22vw, 220px);
    aspect-ratio: 1;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 30%;
    border: 6px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-md);
    background: var(--color-accent-soft);
}

@media (max-width: 860px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__lead {
        max-width: none;
        margin-inline: auto;
    }

    .hero__badges,
    .hero__cta {
        justify-content: center;
    }

    .hero__avatar {
        order: -1;
    }
}

/* =========================================================
   Sections
   ========================================================= */
.section {
    padding-block: 72px;
}

.section--tinted {
    background: var(--color-paper-tint);
}

.section--dark {
    background: linear-gradient(160deg, var(--color-ink) 0%, var(--color-ink-soft) 100%);
    color: var(--color-text-onDark);
}

.section__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 32px;
}

.section__title--onDark {
    color: #fff;
}

.prose {
    max-width: 74ch;
    color: var(--color-text);
}

.prose--onDark {
    color: var(--color-text-onDark-muted);
    max-width: 66ch;
}

/* Cards */
.cards {
    display: grid;
    gap: 22px;
}

.cards--3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 960px) {
    .cards--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .cards--3 {
        grid-template-columns: 1fr;
    }
}

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: 0 8px 24px -18px rgba(11, 18, 32, 0.35);
}

.card h3 {
    font-size: 1.08rem;
    margin-bottom: 6px;
}

.card__tag {
    display: inline-block;
    margin-left: 6px;
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-teal);
    vertical-align: middle;
}

.card__role {
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.card p:last-child {
    margin-bottom: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Perito section */
.perito__inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 28px;
    align-items: flex-start;
}

.perito__icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(184, 134, 47, 0.18);
    color: var(--color-accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.perito__authority {
    font-weight: 700;
    color: var(--color-accent-soft);
    margin-bottom: 14px;
}

@media (max-width: 640px) {
    .perito__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .perito__icon {
        margin-inline: auto;
    }
}

/* Timeline */
.timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 2px solid var(--color-border);
    max-width: 78ch;
}

.timeline__item {
    position: relative;
    padding: 0 0 30px 28px;
}

.timeline__item::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
    border: 2px solid var(--color-paper);
}

.timeline__item--current::before {
    background: var(--color-accent);
}

.timeline__meta {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.timeline__item h3 {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.timeline__role {
    font-weight: 600;
    color: var(--color-teal);
    margin-bottom: 8px;
}

.timeline__item p:last-child {
    margin-bottom: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.section--tinted .timeline__item::before {
    border-color: var(--color-paper-tint);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

@media (max-width: 960px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

.skills-group h3 {
    font-size: 0.95rem;
    font-family: var(--font-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-ink);
    margin-bottom: 12px;
}

.tag-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-list li {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.85rem;
    color: var(--color-text);
}

/* Languages */
.lang-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

@media (max-width: 780px) {
    .lang-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.lang-item {
    background: var(--color-paper-tint);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.lang-item__name {
    display: block;
    font-weight: 700;
    margin-bottom: 4px;
}

.lang-item__level {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.9rem;
}

/* Contact */
.contact__inner {
    text-align: center;
}

.contact__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin: 26px 0 18px;
}

.contact__location {
    color: var(--color-text-onDark-muted);
    font-size: 0.9rem;
}

/* Footer */
.site-footer {
    background: var(--color-ink);
    color: var(--color-text-onDark-muted);
    padding-block: 26px;
    font-size: 0.85rem;
}

.site-footer__inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.site-footer p {
    margin: 0;
}

/* Error page */
.error-page {
    text-align: center;
    padding-block: 120px;
}