/*
  Fahimeh Jafari academic portfolio
  Proportion/readability refinement based on the original site composition.

  Keeps the existing paper / ink / burnt-orange visual identity while restoring
  the original site's calmer scale, narrower measure and compact section rhythm.
*/

:root {
    --page-width: 1080px;
    --reading-width: 650px;
    --header-height: 54px;
    --section-space: 86px;
    --shadow-soft: 0 20px 45px rgba(20, 24, 33, 0.10);
}

* {
    scroll-margin-top: calc(var(--header-height) + 18px);
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    line-height: 1.65;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
}

.skip-link {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 100;
    padding: .65rem .9rem;
    background: var(--color-ink);
    color: var(--color-paper);
    border-radius: 999px;
    transform: translateY(-180%);
    transition: transform 180ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.site-shell {
    width: min(calc(100% - 44px), var(--page-width));
    margin-inline: auto;
}

.favicon {
    border-radius: 50%;
}


/* Header ------------------------------------------------------------------ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: var(--header-height);
    border-bottom: 1px solid rgba(20, 24, 33, 0.08);
    background: color-mix(in srgb, var(--color-paper) 92%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-row {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    text-decoration: none;
    white-space: nowrap;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: .92rem;
    font-weight: 700;
    letter-spacing: -.015em;
}

.brand-dot {
    width: 5px;
    height: 5px;
    flex: none;
    border-radius: 50%;
    background: var(--color-accent);
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.65rem);
}

.desktop-nav a,
.mobile-nav a {
    position: relative;
    text-decoration: none;
    color: var(--color-ink-muted);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .02em;
}

.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -.38rem;
    height: 1px;
    background: var(--color-accent);
    transition: right 180ms ease;
}

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

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
    right: 0;
}

.menu-button {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    background: transparent;
    color: var(--color-ink);
    cursor: pointer;
}

.menu-button-lines,
.menu-button-lines::before,
.menu-button-lines::after {
    display: block;
    width: 17px;
    height: 1.5px;
    margin-inline: auto;
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button-lines {
    position: relative;
}

.menu-button-lines::before,
.menu-button-lines::after {
    content: "";
    position: absolute;
    left: 0;
}

.menu-button-lines::before {
    top: -5px;
}

.menu-button-lines::after {
    top: 5px;
}

.menu-button[aria-expanded="true"] .menu-button-lines {
    background: transparent;
}

.menu-button[aria-expanded="true"] .menu-button-lines::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-button-lines::after {
    top: 0;
    transform: rotate(-45deg);
}

.mobile-nav {
    display: none;
    padding: 1rem 0 1.35rem;
    border-top: 1px solid var(--color-line);
}

.mobile-nav.is-open {
    display: grid;
    gap: .9rem;
}


/* Hero -------------------------------------------------------------------- */

.hero {
    position: relative;
    overflow: hidden;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding: 70px 0 82px;
    background: radial-gradient(95% 70% at 100% 0%, rgba(194, 65, 12, .065), transparent 58%), radial-gradient(80% 60% at 0% 100%, rgba(20, 24, 33, .03), transparent 58%);
}

.hero::before {
    content: "UEL";
    position: absolute;
    right: .025em;
    bottom: -.14em;
    pointer-events: none;
    font-family: var(--font-serif);
    font-size: clamp(7rem, 14vw, 12rem);
    line-height: 1;
    color: rgba(20, 24, 33, .035);
    font-weight: 700;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
    gap: clamp(55px, 7vw, 96px);
    align-items: center;
}

.kicker,
.section-label,
.card-label,
.meta-label {
    margin: 0;
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.hero-title {
    max-width: 510px;
    margin: 15px 0 0;
    font-family: var(--font-serif);
    font-size: clamp(4rem, 5.5vw, 5.15rem);
    line-height: .92;
    letter-spacing: -.045em;
    font-weight: 700;
    text-wrap: balance;
}

.hero-role {
    margin: 25px 0 0;
    font-family: var(--font-serif);
    font-size: clamp(1.45rem, 2vw, 1.8rem);
    line-height: 1.15;
}

.hero-department {
    max-width: 520px;
    margin: 9px 0 0;
    color: var(--color-ink-muted);
    font-size: .86rem;
    line-height: 1.65;
}

.hero-rule {
    width: 112px;
    height: 2px;
    margin: 22px 0 21px;
    background: var(--color-accent);
    transform-origin: left center;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem .7rem;
}

.action-primary,
.action-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: .5rem .85rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: .72rem;
    font-weight: 700;
    transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.action-primary {
    background: var(--color-ink);
    color: var(--color-paper);
    border: 1px solid var(--color-ink);
}

.action-secondary {
    border: 1px solid rgba(20, 24, 33, .18);
    background: rgba(244, 239, 230, .4);
}

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

.action-secondary:hover,
.action-secondary:focus-visible {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.photo-frame {
    position: relative;
    width: min(100%, 320px);
    margin-left: auto;
    border: 1px solid rgba(20, 24, 33, .10);
    border-radius: 22px;
    background: rgba(255, 255, 255, .42);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.photo-frame::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .20);
    border-radius: inherit;
    z-index: 2;
}

.photo-frame img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: 42% 42%;
}

.photo-caption {
    display: none;
}


/* Shared section styles --------------------------------------------------- */

.section {
    padding: var(--section-space) 0;
    border-top: 1px solid var(--color-line);
}

.section-heading-grid {
    display: block;
    margin-bottom: 50px;
}

.section-title {
    position: relative;
    width: fit-content;
    max-width: 720px;
    margin: 6px 0 0;
    padding-bottom: 14px;
    font-family: var(--font-serif);
    font-size: clamp(2.35rem, 3.5vw, 3.05rem);
    line-height: 1.02;
    letter-spacing: -.03em;
    text-wrap: balance;
}

.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 52px;
    height: 1px;
    background: var(--color-accent);
}

.section-intro {
    max-width: var(--reading-width);
    margin: 14px 0 0;
    color: var(--color-ink-muted);
    font-size: .9rem;
    line-height: 1.7;
}

.copy {
    max-width: var(--reading-width);
    color: var(--color-ink-muted);
    font-size: .88rem;
    line-height: 1.72;
}

.copy p {
    margin: 0;
}

.copy p+p {
    margin-top: 14px;
}

.subheading {
    margin: 0 0 12px;
    font-family: var(--font-serif);
    font-size: 1.28rem;
    line-height: 1.2;
}


/* About ------------------------------------------------------------------- */

.about-primary,
.about-secondary {
    display: grid;
    grid-template-columns: minmax(170px, .48fr) minmax(0, 1.35fr);
    gap: clamp(48px, 7vw, 90px);
    align-items: start;
}

.about-primary .copy,
.about-secondary .copy {
    max-width: none;
}

.about-overview p {
    margin: 5px 0 0;
    color: var(--color-ink-muted);
    font-size: .76rem;
    line-height: 1.6;
}

.about-divider {
    height: 1px;
    margin: 55px 0 48px;
    background: var(--color-line);
}

.profile-summary-copy .copy {
    font-size: .82rem;
}

.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.info-list li {
    display: grid;
    grid-template-columns: 12px 1fr;
    gap: .55rem;
    padding: .48rem 0;
    color: var(--color-ink-muted);
    font-size: .8rem;
    line-height: 1.55;
}

.info-list li::before {
    content: "—";
    color: var(--color-accent);
}


/* Research ---------------------------------------------------------------- */

.research-copy {
    max-width: 780px;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 11px;
    margin-top: 33px;
}

.focus-card,
.project-row,
.link-card {
    border: 1px solid var(--color-line);
    background: rgba(20, 24, 33, .012);
}

.focus-card {
    min-height: 92px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border-radius: 11px;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.focus-card:hover {
    transform: translateY(-3px);
    border-color: rgba(194, 65, 12, .32);
    background: rgba(254, 215, 170, .13);
}

.focus-card h3 {
    margin: 0;
    font-family: var(--font-serif);
    font-size: .98rem;
    line-height: 1.2;
}

.focus-card .card-label {
    font-size: .56rem;
}


/* Teaching ---------------------------------------------------------------- */

.teaching-layout {
    display: grid;
    grid-template-columns: minmax(235px, .72fr) minmax(0, 1.28fr);
    gap: clamp(55px, 8vw, 105px);
    align-items: start;
}

.teaching-heading {
    margin-bottom: 20px;
}

.teaching-heading .section-title {
    font-size: clamp(2.35rem, 3.5vw, 3rem);
}

.teaching-note {
    max-width: 245px;
}

.teaching-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: 14px;
    color: var(--color-accent);
    font-size: .76rem;
    font-weight: 600;
    text-underline-offset: 4px;
}

.module-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.module-list li {
    padding: .72rem 0;
    border-bottom: 1px solid var(--color-line);
    font-size: .82rem;
    line-height: 1.4;
}

.module-list li:first-child {
    padding-top: .2rem;
}


/* Funding ----------------------------------------------------------------- */

.project-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.project-row {
    display: block;
    min-height: 122px;
    padding: 18px 20px;
    border-radius: 11px;
}

.project-date {
    margin: 0 0 12px;
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: .64rem;
    font-weight: 700;
    letter-spacing: .04em;
    line-height: 1.5;
    text-transform: uppercase;
}

.project-row p:last-child {
    margin: 0;
    font-family: var(--font-serif);
    font-size: .92rem;
    line-height: 1.42;
}


/* Writing ----------------------------------------------------------------- */

.links-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.link-card {
    display: flex;
    min-height: 195px;
    flex-direction: column;
    padding: 18px;
    border-radius: 11px;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease;
}

.link-card:hover,
.link-card:focus-visible {
    transform: translateY(-3px);
    border-color: rgba(194, 65, 12, .4);
}

.link-date {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.link-card h3 {
    margin: 13px 0 0;
    font-family: var(--font-serif);
    font-size: 1.08rem;
    line-height: 1.2;
}

.link-card p {
    margin: 10px 0 0;
    color: var(--color-ink-muted);
    font-size: .75rem;
    line-height: 1.6;
}

.link-open {
    margin-top: auto;
    padding-top: 16px;
    color: var(--color-accent);
    font-size: .7rem;
    font-weight: 700;
}


/* Contact ----------------------------------------------------------------- */

.contact-section {
    padding-top: 78px;
    padding-bottom: 78px;
    background: var(--color-ink);
    color: var(--color-paper);
}

.contact-section .section-label,
.contact-section .meta-label {
    color: var(--color-accent-soft);
}

.contact-section .section-title {
    color: var(--color-paper);
}

.contact-section .section-title::after {
    background: var(--color-accent-soft);
}

.contact-section .section-intro {
    color: rgba(244, 239, 230, .7);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(270px, .85fr);
    gap: clamp(65px, 9vw, 120px);
    align-items: start;
}

.contact-action {
    display: inline-flex;
    margin-top: 18px;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    padding: .5rem .9rem;
    border-radius: 999px;
    background: var(--color-paper);
    color: var(--color-ink);
    font-size: .72rem;
    font-weight: 700;
    text-decoration: none;
}

.contact-card {
    padding-top: 2px;
}

.contact-item {
    padding: 0 0 17px;
}

.contact-item+.contact-item {
    padding-top: 0;
}

.meta-label {
    font-size: .56rem;
}

.contact-value {
    display: block;
    margin-top: 4px;
    color: var(--color-paper);
    font-size: .82rem;
    line-height: 1.45;
    text-decoration: none;
}

.contact-value:hover,
.contact-value:focus-visible {
    color: var(--color-accent-soft);
}


/* Footer ------------------------------------------------------------------ */

.site-footer {
    border-top: 1px solid rgba(20, 24, 33, .08);
    background: var(--color-paper);
    color: var(--color-ink-muted);
    padding: 20px 0 24px;
    font-size: .67rem;
}

.footer-row {
    display: flex;
    justify-content: center;
    gap: 1rem 2rem;
    flex-wrap: wrap;
    text-align: center;
}

.site-footer a {
    color: var(--color-accent);
    text-underline-offset: 3px;
}

:focus-visible {
    outline: 3px solid var(--color-accent-soft);
    outline-offset: 4px;
}


/* Responsive -------------------------------------------------------------- */

@media (max-width: 900px) {
    .desktop-nav {
        display: none;
    }
    .menu-button {
        display: inline-grid;
        place-items: center;
    }
    .hero {
        min-height: auto;
    }
    .hero-grid {
        grid-template-columns: 1fr minmax(250px, 330px);
        gap: 42px;
    }
    .hero-title {
        font-size: clamp(3.65rem, 8vw, 4.6rem);
    }
    .about-primary,
    .about-secondary {
        grid-template-columns: minmax(150px, .45fr) minmax(0, 1.35fr);
        gap: 42px;
    }
    .teaching-layout {
        gap: 48px;
    }
}

@media (max-width: 720px) {
     :root {
        --section-space: 64px;
    }
    .site-shell {
        width: min(calc(100% - 30px), var(--page-width));
    }
    .hero {
        padding: 54px 0 64px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 42px;
    }
    .hero-title {
        max-width: 430px;
        font-size: clamp(3.35rem, 14vw, 4.6rem);
    }
    .photo-frame {
        width: min(78vw, 330px);
        margin: 0;
    }
    .section-heading-grid {
        margin-bottom: 36px;
    }
    .about-primary,
    .about-secondary,
    .teaching-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .about-divider {
        margin: 38px 0;
    }
    .focus-grid,
    .project-list,
    .links-grid {
        grid-template-columns: 1fr;
    }
    .focus-card {
        min-height: 86px;
    }
    .teaching-note {
        max-width: 100%;
    }
    .project-row {
        min-height: auto;
    }
    .link-card {
        min-height: 180px;
    }
    .contact-section {
        padding-top: 64px;
        padding-bottom: 64px;
    }
}

@media (max-width: 430px) {
    .brand-name {
        font-size: .86rem;
    }
    .hero-title {
        font-size: clamp(3.05rem, 16vw, 3.9rem);
    }
    .hero-actions {
        align-items: stretch;
    }
    .action-primary,
    .action-secondary {
        flex: 1 1 calc(50% - .5rem);
    }
    .action-primary {
        flex-basis: 100%;
    }
    .section-title {
        font-size: 2.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}