/* ══════════════════════════════════════
   TOKENS & RESET
══════════════════════════════════════ */
:root {
  /* Palette */
  --bg:        #0d0f12;
  --bg-2:      #12151a;
  --bg-3:      #181c23;
  --border:    #1e2530;
  --border-2:  #262d3a;

  --text:      #e8ecf0;
  --text-2:    #8b95a5;
  --text-3:    #5a6475;

  --accent:    #3b82f6;      /* blue-500 */
  --accent-2:  #1d4ed8;      /* blue-700 */
  --accent-glow: rgba(59,130,246,0.15);

  /* Type */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Radii */
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 16px;

  /* Spacing */
  --section-gap: 6rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--text); }

ul { list-style: none; }

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

/* ══════════════════════════════════════
   UTILITIES
══════════════════════════════════════ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.mono { font-family: var(--font-mono); }

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.3rem;
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .2s;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--accent-2);
  color: #fff;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn--small { padding: .45rem .9rem; font-size: .82rem; }
.btn--full  { width: 100%; justify-content: center; }

/* ══════════════════════════════════════
   TAGS / CHIPS
══════════════════════════════════════ */
.tag {
  display: inline-block;
  padding: .3rem .75rem;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-size: .82rem;
  color: var(--text-2);
  background: var(--bg-3);
  transition: all .2s;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }
.tag--small { padding: .2rem .55rem; font-size: .75rem; }

/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
}

.nav.scrolled {
  background: rgba(13,15,18,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border);
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}
.nav__logo-dot { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 2rem;
}
.nav__links a {
  color: var(--text-2);
  font-size: .875rem;
  transition: color .2s;
}
.nav__links a:hover { color: var(--text); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 1rem 1.5rem 1.5rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.nav__mobile-link {
  color: var(--text-2);
  padding: .7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.nav__mobile-link:last-child { border-bottom: none; }
.nav__mobile-link:hover { color: var(--text); }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Subtle grid background */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .35;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 100%);
}

.hero__inner {
  position: relative;
  padding-top: 6rem;
  padding-bottom: 4rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .85rem;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-size: .8rem;
  color: var(--text-2);
  background: var(--bg-2);
  margin-bottom: 1.5rem;
  animation: fadeDown .6s ease both;
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s ease infinite;
}

.hero__eyebrow {
  font-size: .85rem;
  color: var(--text-3);
  margin-bottom: .5rem;
  animation: fadeDown .7s .05s ease both;
}

.hero__name {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
  animation: fadeDown .7s .1s ease both;
}
.hero__name-accent { color: var(--accent); }

.hero__title {
  font-size: .9rem;
  color: var(--text-2);
  margin-bottom: 1.5rem;
  animation: fadeDown .7s .15s ease both;
}

.hero__desc {
  max-width: 560px;
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.25rem;
  animation: fadeDown .7s .2s ease both;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2.5rem;
  animation: fadeDown .7s .25s ease both;
}

.hero__social {
  display: flex;
  gap: 1.25rem;
  animation: fadeDown .7s .3s ease both;
}
.hero__social a {
  color: var(--text-3);
  font-size: 1.2rem;
  transition: color .2s;
}
.hero__social a:hover { color: var(--accent); }

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: var(--text-3);
  font-size: .7rem;
  animation: fadeDown 1s .5s ease both;
}
.hero__scroll-hint i { animation: bounce 2s ease infinite; }

/* ══════════════════════════════════════
   SECTIONS
══════════════════════════════════════ */
.section { padding: var(--section-gap) 0; }

.section__header {
  margin-bottom: 3rem;
}

.section__label {
  font-size: .75rem;
  color: var(--accent);
  letter-spacing: .1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: .5rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

.section__subtitle {
  margin-top: .75rem;
  color: var(--text-2);
  max-width: 560px;
}

/* alternating bg */
.about    { background: var(--bg); }
.skills   { background: var(--bg-2); }
.experience { background: var(--bg); }
.projects { background: var(--bg-2); }
.learning { background: var(--bg); }
.certs    { background: var(--bg-2); }
.contact  { background: var(--bg); }

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}

.about__text p {
  color: var(--text-2);
  margin-bottom: 1.1rem;
  line-height: 1.75;
}
.about__text strong { color: var(--text); font-weight: 600; }

.about__facts {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.about__fact {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--text-2);
  font-size: .9rem;
}
.about__fact i { color: var(--accent); width: 16px; flex-shrink: 0; }

/* Right column cards */
.about__cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about__stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.about__stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -.03em;
}
.about__stat-unit { font-size: 1.5rem; }
.about__stat-label {
  font-size: .8rem;
  color: var(--text-2);
  margin-top: .3rem;
}

.about__rec-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
}

.about__rec-quote {
  font-size: .875rem;
  color: var(--text-2);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: .85rem;
}

.about__rec-name {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}
.about__rec-role {
  display: block;
  font-size: .75rem;
  color: var(--text-3);
}

/* ══════════════════════════════════════
   SKILLS
══════════════════════════════════════ */
.skills__groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.skills__group {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
}

.skills__group-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.skills__group-title i { color: var(--accent); }

.skills__tags { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ══════════════════════════════════════
   EXPERIENCE / TIMELINE
══════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 3.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 7px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline__item {
  position: relative;
  margin-bottom: 2.5rem;
}
.timeline__item:last-child { margin-bottom: 0; }

.timeline__marker {
  position: absolute;
  left: -1.7rem;
  top: 1.1rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.timeline__marker--secondary { background: var(--bg-3); border-color: var(--border-2); box-shadow: none; }

.timeline__card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem 1.75rem;
  transition: border-color .2s;
}
.timeline__card:hover { border-color: var(--border-2); }

.timeline__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.timeline__role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.timeline__company {
  font-size: .85rem;
  color: var(--text-2);
  margin-top: .2rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.timeline__company i { color: var(--accent); }

.timeline__date {
  font-size: .78rem;
  color: var(--text-3);
  white-space: nowrap;
  margin-top: .15rem;
}

.timeline__list {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.25rem;
  padding-left: 1rem;
}
.timeline__list li {
  font-size: .875rem;
  color: var(--text-2);
  line-height: 1.6;
  position: relative;
}
.timeline__list li::before {
  content: '›';
  position: absolute;
  left: -1rem;
  color: var(--accent);
}
.timeline__list strong { color: var(--text); font-weight: 500; }

.timeline__tech { display: flex; flex-wrap: wrap; gap: .4rem; }

/* Recommendations */
.recs__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.recs__title i { color: var(--accent); }

.recs__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.recs__card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
}

.recs__text {
  font-size: .875rem;
  color: var(--text-2);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.recs__author-name {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
}
.recs__author-role {
  display: block;
  font-size: .78rem;
  color: var(--text-2);
}
.recs__author-company {
  display: block;
  font-size: .75rem;
  color: var(--text-3);
  margin-top: .1rem;
}

/* ══════════════════════════════════════
   PROJECTS
══════════════════════════════════════ */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(59,130,246,.08);
}

.project-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-card__icon {
  font-size: 1.75rem;
  color: var(--accent);
}

.project-card__links a {
  color: var(--text-3);
  font-size: 1.1rem;
  transition: color .2s;
}
.project-card__links a:hover { color: var(--accent); }

.project-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.project-card__desc {
  font-size: .875rem;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
}

.project-card__tags { display: flex; flex-wrap: wrap; gap: .4rem; }

.project-card--add {
  border-style: dashed;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}
.project-card--add:hover { border-color: var(--border-2); transform: none; box-shadow: none; }

.project-card__add-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  color: var(--text-3);
  font-size: .875rem;
  text-align: center;
}
.project-card__add-inner i { font-size: 1.5rem; }

/* ══════════════════════════════════════
   LEARNING
══════════════════════════════════════ */
.learning__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.learning-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .2s, transform .2s;
}
.learning-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.learning-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.learning-card__date {
  font-size: .72rem;
  color: var(--text-3);
}

.learning-card__title {
  font-size: .975rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.learning-card__desc {
  font-size: .85rem;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
}

.learning-card__read {
  font-size: .75rem;
  color: var(--accent);
  margin-top: auto;
}

/* ══════════════════════════════════════
   CERTIFICATIONS
══════════════════════════════════════ */
.certs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.cert-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color .2s;
}
.cert-card:hover { border-color: var(--border-2); }
.cert-card--pending { opacity: .7; }

.cert-card__icon {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
}
.cert-card--pending .cert-card__icon { color: var(--text-3); }

.cert-card__name {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: .35rem;
}
.cert-card__planned { font-size: .8rem; color: var(--text-3); font-weight: 400; }

.cert-card__status {
  font-size: .72rem;
  font-family: var(--font-mono);
  padding: .15rem .5rem;
  border-radius: 100px;
}
.cert-card__status--done {
  background: rgba(34,197,94,.1);
  color: #22c55e;
  border: 1px solid rgba(34,197,94,.2);
}
.cert-card__status--wip {
  background: rgba(234,179,8,.1);
  color: #eab308;
  border: 1px solid rgba(234,179,8,.2);
}

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__link-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact__link-item > i {
  color: var(--accent);
  font-size: 1.05rem;
  margin-top: .25rem;
  width: 18px;
  flex-shrink: 0;
}
.contact__link-label {
  display: block;
  font-size: .72rem;
  color: var(--text-3);
  margin-bottom: .1rem;
}
.contact__link-item a,
.contact__link-item span {
  font-size: .9rem;
  color: var(--text-2);
  word-break: break-all;
}
.contact__link-item a:hover { color: var(--accent); }

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: .4rem; }

.form-label {
  font-size: .72rem;
  color: var(--text-3);
  letter-spacing: .05em;
}

.form-input {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: .7rem 1rem;
  color: var(--text);
  font-size: .9rem;
  font-family: var(--font-sans);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  resize: none;
  width: 100%;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-3); }

.form-note {
  font-size: .78rem;
  color: var(--text-3);
  min-height: 1.2em;
}
.form-note.success { color: #22c55e; }
.form-note.error   { color: #ef4444; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 1.75rem 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-size: .8rem;
  color: var(--text-3);
}

.footer__social {
  display: flex;
  gap: 1.1rem;
}
.footer__social a {
  color: var(--text-3);
  font-size: 1rem;
  transition: color .2s;
}
.footer__social a:hover { color: var(--accent); }

/* ══════════════════════════════════════
   REVEAL ANIMATION
══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   KEYFRAMES
══════════════════════════════════════ */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,.6); }
  50%       { box-shadow: 0 0 0 5px rgba(34,197,94,0); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(4px); }
}

/* ══════════════════════════════════════
   REDUCED MOTION
══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__cards { flex-direction: row; flex-wrap: wrap; }
  .about__stat-card { flex: 1 1 140px; }
  .about__rec-card { flex: 1 1 100%; }

  .recs__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  :root { --section-gap: 4rem; }

  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile.open { display: flex; }

  .hero__name { font-size: clamp(2.5rem, 12vw, 3.5rem); }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }

  .timeline { padding-left: 1.5rem; }
  .timeline__header { flex-direction: column; gap: .3rem; }
  .timeline__date { margin-top: 0; }

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

  .section__title { font-size: 1.75rem; }
}

@media (max-width: 480px) {
  .about__cards { flex-direction: column; }
  .about__stat-card { flex: none; }
  .skills__groups,
  .projects__grid,
  .learning__grid,
  .certs__grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════
   LEARNING — empty state
══════════════════════════════════════ */
.learning__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 4rem 2rem;
  border: 1px dashed var(--border-2);
  border-radius: var(--r-lg);
  text-align: center;
  color: var(--text-3);
}
.learning__empty i {
  font-size: 2rem;
  color: var(--border-2);
}
.learning__empty p {
  font-size: .95rem;
  color: var(--text-2);
}
.learning__empty span {
  font-size: .78rem;
}

/* ══════════════════════════════════════
   CONTACT — two phones stacked
══════════════════════════════════════ */
.contact__link-item div a {
  display: block;
  font-size: .9rem;
  color: var(--text-2);
}
.contact__link-item div a + a {
  margin-top: .15rem;
}