/* ==========================================================================
   Milyausha Nurieva — academic portfolio
   Pure CSS. No frameworks, no external UI libraries.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colour */
  --color-navy: #1A365D;
  --color-navy-dark: #122745;
  --color-navy-deep: #0E1E36;
  --color-navy-soft: #E8EEF7;
  --color-ink: #1F2937;
  --color-muted: #5B6577;
  --color-bg: #FFFFFF;
  --color-surface: #F3F4F6;
  --color-surface-strong: #E9EDF2;
  --color-border: #E2E6EC;
  --color-border-strong: #CBD5E1;
  --color-white: #FFFFFF;
  --color-focus: #2B6CB0;

  /* Typography */
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Layout */
  --container: 1180px;
  --header-h: 76px;
  --section-pad: clamp(4rem, 8vw, 7rem);

  /* Shape */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 14px 34px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 28px 70px rgba(15, 23, 42, 0.18);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 180ms var(--ease);
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.modal-open,
body.nav-open {
  overflow: hidden;
}

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

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--color-navy);
  color: var(--color-white);
}

:focus-visible {
  outline: 3px solid rgba(26, 54, 93, 0.35);
  outline-offset: 3px;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: 0 0 auto;
}

.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: fixed;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

/* --------------------------------------------------------------------------
   3. Layout and typography
   -------------------------------------------------------------------------- */
.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-pad);
}

.section--muted {
  background: var(--color-surface);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
  color: var(--color-navy);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.section-head {
  max-width: 760px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head--split {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  max-width: none;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--color-navy);
}

.section-intro {
  max-width: 64ch;
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: 1rem;
}

.subsection-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 600;
  line-height: 1.3;
}

.subsection-title .icon {
  width: 34px;
  height: 34px;
  padding: 0.42rem;
  border-radius: var(--radius-sm);
  background: var(--color-navy-soft);
  color: var(--color-navy);
}

/* --------------------------------------------------------------------------
   4. Buttons and controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.78rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-navy);
  color: var(--color-white);
  box-shadow: 0 6px 16px rgba(26, 54, 93, 0.18);
}

.btn--primary:hover {
  background: var(--color-navy-dark);
  box-shadow: 0 10px 24px rgba(26, 54, 93, 0.24);
}

.btn--secondary {
  border-color: var(--color-border-strong);
  background: var(--color-white);
  color: var(--color-ink);
}

.btn--secondary:hover {
  border-color: var(--color-navy);
  background: var(--color-navy-soft);
  color: var(--color-navy);
}

.btn--ghost {
  color: var(--color-navy);
}

.btn--ghost:hover {
  background: var(--color-navy-soft);
}

.btn--sm {
  min-height: 40px;
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
}

.btn--block {
  width: 100%;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.icon-btn:hover {
  border-color: var(--color-navy);
  background: var(--color-navy-soft);
  color: var(--color-navy);
}

.icon-btn .icon {
  width: 20px;
  height: 20px;
}

/* Language switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
}

.lang-switch__btn {
  min-width: 36px;
  padding: 0.3rem 0.5rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.4;
  cursor: pointer;
  transition:
    background-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

.lang-switch__btn:hover {
  color: var(--color-navy);
}

.lang-switch__btn[aria-pressed="true"] {
  background: var(--color-navy);
  color: var(--color-white);
  box-shadow: 0 2px 6px rgba(26, 54, 93, 0.22);
}

.lang-switch__btn:disabled {
  cursor: wait;
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   5. Header and navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 12px rgba(26, 54, 93, 0.18);
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.brand__name {
  overflow: hidden;
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand__role {
  overflow: hidden;
  color: var(--color-muted);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav {
  display: none;
}

.nav__links {
  display: flex;
  flex-direction: column;
  list-style: none;
}

.nav__link {
  position: relative;
  display: block;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-navy);
}

.nav__mobile-extra {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding-top: 1rem;
}

.nav.is-open {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  max-height: calc(100dvh - var(--header-h));
  padding: 0.75rem 1rem 1.25rem;
  overflow-y: auto;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.header__lang,
.header__cta {
  display: none;
}

.menu-toggle {
  display: inline-grid;
  border-color: transparent;
}

.menu-toggle__close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__close {
  display: block;
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(2.75rem, 7vw, 6rem) clamp(3.5rem, 8vw, 6.5rem);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(232, 238, 247, 0.9) 0, rgba(232, 238, 247, 0) 46%),
    var(--color-bg);
}

.hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -30%;
  width: 46vw;
  height: 46vw;
  border: 1px solid rgba(26, 54, 93, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}

.hero__content {
  max-width: 660px;
}

.hero__greeting {
  margin-bottom: 0.3rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.hero__name {
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 8vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.hero__role {
  margin-top: 0.8rem;
  color: var(--color-navy);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 500;
  line-height: 1.4;
}

.hero__bio {
  max-width: 60ch;
  margin-top: 1.25rem;
  color: var(--color-muted);
  font-size: 1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.25rem;
  margin-top: 2.5rem;
  padding-top: 1.65rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 6.5rem;
}

.stat__value {
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1;
}

.stat__label {
  max-width: 13ch;
  color: var(--color-muted);
  font-size: 0.74rem;
  line-height: 1.4;
}

.hero__visual {
  position: relative;
  width: min(100%, 380px);
  margin-inline: auto;
}

.hero__photo-frame {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius-lg);
}

.hero__photo-frame::before {
  content: "";
  position: absolute;
  inset: 16px -14px -14px 16px;
  z-index: -1;
  border: 1px solid rgba(26, 54, 93, 0.28);
  border-radius: var(--radius-lg);
}

.hero__photo {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--shadow-md);
}

.hero__caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 1.35rem;
  color: var(--color-muted);
  font-size: 0.78rem;
  text-align: center;
}

.hero__caption .icon {
  color: var(--color-navy);
}

/* --------------------------------------------------------------------------
   7. Experience
   -------------------------------------------------------------------------- */
.experience__grid {
  display: grid;
  gap: 2.5rem;
}

.experience__column {
  min-width: 0;
}

.education-list {
  display: grid;
  gap: 1rem;
}

.info-card {
  position: relative;
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-navy);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-xs);
}

.info-card__period {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.info-card__title {
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 1.07rem;
  font-weight: 600;
  line-height: 1.35;
}

.info-card__text {
  margin-top: 0.45rem;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.timeline {
  position: relative;
  padding-left: 1.9rem;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  bottom: 0.8rem;
  left: 0.32rem;
  width: 1px;
  background: var(--color-border-strong);
}

.timeline__item {
  position: relative;
  padding-bottom: 1rem;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  top: 1.15rem;
  left: -1.9rem;
  width: 11px;
  height: 11px;
  border: 2px solid var(--color-white);
  border-radius: 50%;
  background: var(--color-border-strong);
  box-shadow: 0 0 0 1px var(--color-border-strong);
}

.timeline__item.is-current .timeline__dot {
  background: var(--color-navy);
  box-shadow: 0 0 0 4px var(--color-navy-soft);
}

.timeline__card {
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.timeline__card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.timeline__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.timeline__period {
  display: block;
  color: var(--color-muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline__badge {
  flex: 0 0 auto;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-navy-soft);
  color: var(--color-navy);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline__place {
  margin-top: 0.28rem;
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.timeline__role {
  margin-top: 0.15rem;
  color: var(--color-muted);
  font-size: 0.83rem;
}

.experience__bottom {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.panel {
  padding: 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-xs);
}

.language-list {
  display: grid;
  gap: 1.05rem;
  list-style: none;
}

.language__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.language__name {
  color: var(--color-ink);
  font-size: 0.88rem;
  font-weight: 500;
}

.language__level {
  color: var(--color-muted);
  font-size: 0.75rem;
  text-align: right;
}

.language__bar {
  height: 6px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-surface-strong);
}

.language__bar span {
  display: block;
  width: var(--level);
  height: 100%;
  border-radius: inherit;
  background: var(--color-navy);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
}

.tag {
  padding: 0.42rem 0.68rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.77rem;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   8. Achievements gallery
   -------------------------------------------------------------------------- */
.gallery-count {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.gallery-count strong {
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.75rem;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.52rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-white);
  color: var(--color-ink);
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.3;
  cursor: pointer;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
  transform: translateY(-1px);
}

.filter-btn[aria-pressed="true"] {
  border-color: var(--color-navy);
  background: var(--color-navy);
  color: var(--color-white);
}

.filter-btn__count {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 0.3rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.65rem;
  font-weight: 600;
}

.filter-btn[aria-pressed="true"] .filter-btn__count {
  background: rgba(255, 255, 255, 0.18);
  color: var(--color-white);
}

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.doc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-xs);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.doc-card:hover,
.doc-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.doc-card__media {
  display: block;
  padding: 10px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(243, 244, 246, 0.55), rgba(255, 255, 255, 1));
}

.doc-card__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  transition: transform 420ms var(--ease);
}

.doc-card:hover .doc-card__media img {
  transform: scale(1.025);
}

.doc-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.05rem 1.1rem;
}

.doc-card__category {
  color: var(--color-navy);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.doc-card__title {
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.35;
}

.doc-card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.doc-card__year {
  margin-top: auto;
  padding-top: 0.45rem;
  color: var(--color-muted);
  font-size: 0.74rem;
  font-weight: 500;
}

.doc-card__arrow {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-navy);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.doc-card:hover .doc-card__arrow,
.doc-card:focus-within .doc-card__arrow {
  opacity: 1;
  transform: translateY(0);
}

.doc-card__arrow .icon {
  width: 16px;
  height: 16px;
}

.doc-card__title a:focus-visible {
  outline: none;
}

.doc-card:focus-within {
  outline: 3px solid rgba(26, 54, 93, 0.3);
  outline-offset: 3px;
}

.gallery-empty {
  max-width: 560px;
  margin: 1rem auto 0;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  text-align: center;
}

.gallery-empty__icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--color-navy-soft);
  color: var(--color-navy);
}

.gallery-empty__icon .icon {
  width: 24px;
  height: 24px;
}

.gallery-empty h3 {
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.gallery-empty p {
  max-width: 42ch;
  margin: 0.55rem auto 1.25rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.noscript-note {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-navy-soft);
  color: var(--color-navy);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   9. Contact
   -------------------------------------------------------------------------- */
.contact__grid {
  display: grid;
  gap: 2.25rem;
  align-items: start;
}

.contact__intro {
  max-width: 540px;
}

.contact__intro .btn {
  margin-top: 1.75rem;
}

.contact__links {
  display: grid;
  gap: 0.7rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.contact-card:hover {
  border-color: var(--color-navy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.contact-card__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  background: var(--color-navy-soft);
  color: var(--color-navy);
}

.contact-card__icon .icon {
  width: 20px;
  height: 20px;
}

.contact-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  line-height: 1.35;
}

.contact-card__label {
  color: var(--color-ink);
  font-size: 0.88rem;
  font-weight: 600;
}

.contact-card__hint {
  overflow: hidden;
  color: var(--color-muted);
  font-size: 0.74rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-card__arrow {
  flex: 0 0 auto;
  color: var(--color-muted);
  transition:
    color var(--transition),
    transform var(--transition);
}

.contact-card:hover .contact-card__arrow {
  color: var(--color-navy);
  transform: translate(2px, -2px);
}

.contact-card__arrow .icon {
  width: 16px;
  height: 16px;
}

.contact__links--modal {
  grid-template-columns: 1fr;
}

/* --------------------------------------------------------------------------
   10. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding-block: 2.75rem;
  background: var(--color-navy-deep);
  color: rgba(255, 255, 255, 0.78);
}

.footer__inner {
  display: grid;
  gap: 1.4rem;
  align-items: start;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer__brand .brand__mark {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.footer__name {
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.3;
}

.footer__tagline {
  margin-top: 0.15rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.76rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
}

.footer__nav a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__meta {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.74rem;
  line-height: 1.6;
}

.footer__built {
  margin-top: 0.25rem;
}

.footer__top {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--color-white);
  transition:
    background-color var(--transition),
    border-color var(--transition);
}

.footer__top:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.footer__top .icon {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   11. Dialogs
   -------------------------------------------------------------------------- */
.modal {
  width: min(94vw, 1040px);
  max-width: 1040px;
  max-height: 92dvh;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  color: var(--color-ink);
  box-shadow: var(--shadow-lg);
}

.modal[open] {
  display: flex;
  flex-direction: column;
  animation: modalIn 220ms var(--ease);
}

.modal::backdrop {
  background: rgba(14, 30, 54, 0.62);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.4rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
}

.modal__heading {
  min-width: 0;
}

.modal__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.modal__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}

.modal__title {
  color: var(--color-navy);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  font-weight: 600;
  line-height: 1.3;
}

.modal__text {
  max-width: 46ch;
  margin-top: 0.55rem;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.modal__close {
  flex: 0 0 auto;
  border-color: var(--color-border);
}

.modal__body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: var(--color-surface);
}

.modal__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.9rem 1.4rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Document viewer */
.doc-viewer {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 50vh;
  padding: 1rem;
}

.doc-viewer__status {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 0.85rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border-strong);
  border-top-color: var(--color-navy);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.doc-viewer__media {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.doc-viewer__media img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 70dvh;
  border-radius: var(--radius-xs);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  object-fit: contain;
}

.doc-viewer__media iframe {
  width: 100%;
  height: 70dvh;
  min-height: 420px;
  border: 0;
  border-radius: var(--radius-xs);
  background: var(--color-white);
}

.doc-hint {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-white);
  color: var(--color-muted);
  font-size: 0.76rem;
  text-align: center;
}

/* Contact modal */
.contact-modal {
  max-width: 560px;
}

.contact-modal__body {
  padding: 1.15rem 1.4rem 1.5rem;
  background: var(--color-white);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  z-index: 300;
  max-width: min(90vw, 520px);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  font-size: 0.84rem;
  line-height: 1.45;
  transform: translateX(-50%);
  animation: toastIn 200ms var(--ease);
}

/* --------------------------------------------------------------------------
   12. Reveal animation
   -------------------------------------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 600ms var(--ease),
    transform 600ms var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

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

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translate(-50%, 8px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* --------------------------------------------------------------------------
   13. Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 560px) {
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact__links--modal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .hero__visual {
    width: min(100%, 430px);
  }

  .contact__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact__links--modal {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .container {
    width: min(100% - 3rem, var(--container));
  }

  .header__lang {
    display: inline-flex;
  }

  .header__cta {
    display: inline-flex;
  }

  .menu-toggle {
    display: none;
  }

  .nav {
    display: flex;
    align-items: center;
  }

  .nav__links {
    flex-direction: row;
    gap: 1.6rem;
  }

  .nav__link {
    padding: 0.4rem 0;
    border-bottom: 0;
    font-size: 0.86rem;
    white-space: nowrap;
  }

  .nav__link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1.5px;
    background: var(--color-navy);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
  }

  .nav__link:hover::after,
  .nav__link[aria-current="page"]::after {
    transform: scaleX(1);
  }

  .nav__mobile-extra {
    display: none;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  }

  .hero__visual {
    width: 100%;
    max-width: 430px;
    justify-self: end;
  }

  .section-head--split {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
  }

  .experience__bottom {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .gallery {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
  }

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

  .footer__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.8fr) minmax(0, 1fr) auto;
    gap: 2rem;
  }

  .footer__top {
    justify-self: end;
  }
}

@media (min-width: 900px) and (max-width: 1099px) {
  .header__inner {
    gap: 0.5rem;
  }

  .header__actions {
    gap: 0.4rem;
  }

  .header__cta {
    padding-inline: 0.9rem;
  }

  .nav__links {
    gap: 0.8rem;
  }

  .nav__link {
    font-size: 0.84rem;
  }
}

@media (min-width: 1100px) {
  .experience__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2.5rem 3.5rem;
  }

  .experience__column:first-child {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }

  .gallery {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1400px) {
  :root {
    --container: 1240px;
  }
}

/* --------------------------------------------------------------------------
   14. Print
   -------------------------------------------------------------------------- */
@media print {
  @page {
    margin: 12mm;
  }

  body {
    background: #fff;
  }

  body.modal-open .site-header,
  body.modal-open .hero,
  body.modal-open .section,
  body.modal-open .site-footer,
  body.modal-open .skip-link,
  body.modal-open .toast,
  body.modal-open .modal__header,
  body.modal-open .modal__footer,
  .contact-modal {
    display: none !important;
  }

  body.modal-open .document-modal[open] {
    position: static;
    display: block !important;
    width: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    overflow: visible;
    border-radius: 0;
    box-shadow: none;
  }

  .document-modal .modal__body {
    overflow: visible;
    background: #fff;
  }

  .doc-viewer {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .doc-viewer__media img {
    width: 100%;
    max-height: none;
    border-radius: 0;
    box-shadow: none;
  }

  .doc-viewer__media iframe {
    height: 100vh;
    border-radius: 0;
  }

  .doc-hint,
  .doc-viewer__status {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   15. Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}