/* Elena Rudoi - Site styles (chrome + homepage sections) */

/* --- Header/Footer (chrome) for classic PHP templates --- */
:root {
  --er-chrome-border: rgba(15, 23, 42, 0.12);
  --er-chrome-text: rgba(15, 23, 42, 0.92);
  --er-chrome-muted: rgba(15, 23, 42, 0.62);
  --er-chrome-bg: rgba(255, 255, 255, 0.78);
  --er-chrome-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
  --er-chrome-radius: 18px;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Offset for anchored sections when header is sticky */
[id] {
  scroll-margin-top: 92px;
}

.er-home [id] {
  scroll-margin-top: 24px;
}

.er-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: var(--er-chrome-bg);
  border-bottom: 1px solid var(--er-chrome-border);
}

.er-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.er-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--er-chrome-text);
  min-width: 140px;
}

.er-brand__name {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
  line-height: 1.1;
}

.er-brand img {
  max-height: 34px;
  width: auto;
}

.er-site-footer {
  border-top: 1px solid var(--er-chrome-border);
  background: rgba(255, 255, 255, 0.6);
}

.er-site-footer__inner {
  padding: clamp(2rem, 4vw, 3rem) 0;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  .er-site-footer__inner {
    grid-template-columns: 1fr;
  }
}

.er-footer-title {
  margin: 0;
  font-weight: 850;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
  color: var(--er-chrome-text);
}

.er-footer-text {
  margin: 0.55rem 0 0;
  color: var(--er-chrome-muted);
  line-height: 1.7;
}

.er-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: flex-end;
  align-items: center;
}

@media (max-width: 860px) {
  .er-footer-links {
    justify-content: flex-start;
  }
}

.er-footer-links a {
  color: rgba(15, 23, 42, 0.76);
  text-decoration: none;
  font-weight: 650;
}

.er-footer-links a:hover,
.er-footer-links a:focus {
  color: rgba(15, 23, 42, 0.92);
}

.er-footer-bottom {
  padding: 0.9rem 0;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  color: rgba(15, 23, 42, 0.58);
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.er-home {
  --er-bg: #0b1220;
  --er-surface: rgba(255, 255, 255, 0.86);
  --er-surface-strong: rgba(255, 255, 255, 0.96);
  --er-text: #0f172a;
  --er-muted: rgba(15, 23, 42, 0.72);
  --er-border: rgba(15, 23, 42, 0.12);
  --er-accent: #6d28d9;
  --er-accent-2: #0ea5e9;
  --er-radius: 24px;
  --er-shadow: 0 22px 50px rgba(2, 6, 23, 0.28);
  color: var(--er-text);
}

.er-home * {
  box-sizing: border-box;
}

/* Mobile: reserve space for bottom sticky nav */
@media (max-width: 860px) {
  .er-home {
    padding-bottom: calc(92px + env(safe-area-inset-bottom, 0px));
  }
}

.er-home a {
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.er-container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.er-section {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
}

.er-section--alt {
  background: rgba(15, 23, 42, 0.03);
}

.er-kicker {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.12);
  color: rgba(3, 105, 161, 0.95);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
}

.er-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.8rem 0 0;
}

.er-lead {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--er-muted);
  margin: 0.9rem 0 0;
}

.er-hero__list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
}

.er-hero__list li {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: rgba(15, 23, 42, 0.78);
  font-weight: 650;
  font-size: 0.95rem;
}

/* Mobile: keep chips on one line (swipe) to save vertical space */
@media (max-width: 620px) {
  .er-hero__list {
    width: 100%;
    max-width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    gap: 0.5rem;
    padding-bottom: 0.25rem;
    margin-top: 0.85rem;
    scrollbar-width: none;
  }

  .er-hero__list::-webkit-scrollbar {
    display: none;
  }

  .er-hero__list li {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.38rem 0.6rem;
    font-size: 0.92rem;
  }
}

.er-hero {
  position: relative;
  overflow: clip;
  border-radius: clamp(18px, 3vw, 32px);
  background: var(--er-bg);
  box-shadow: var(--er-shadow);
  margin: 1rem 0 clamp(1.5rem, 3vw, 2.25rem);
}

.er-hero--full {
  width: 100%;
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 0;
}

.er-hero--full .er-hero__overlay {
  background:
    radial-gradient(1100px 520px at 20% 15%, rgba(109, 40, 217, 0.55), transparent 62%),
    radial-gradient(900px 520px at 90% 30%, rgba(14, 165, 233, 0.45), transparent 66%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.70), rgba(2, 6, 23, 0.28) 45%, rgba(2, 6, 23, 0.78));
}

.er-hero__inner {
  position: relative;
  padding: clamp(1.75rem, 4.5vw, 3.25rem) 0;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
}

.er-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.02);
}

.er-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1000px 500px at 20% 15%, rgba(109, 40, 217, 0.55), transparent 60%),
    radial-gradient(900px 520px at 90% 30%, rgba(14, 165, 233, 0.45), transparent 65%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.62), rgba(2, 6, 23, 0.35) 40%, rgba(2, 6, 23, 0.65));
}

.er-hero__content {
  position: relative;
  padding: clamp(1.75rem, 4.5vw, 3.25rem);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
}

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

.er-hero__card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--er-radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  backdrop-filter: blur(10px);
  min-width: 0;
}

.er-hero .er-title,
.er-hero .er-lead {
  color: #0b1220;
}

.er-hero__meta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.er-hero-actions {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (max-width: 860px) {
  .er-hero-actions {
    grid-template-columns: 1fr;
  }
}

.er-action-card {
  display: grid;
  gap: 0.2rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  color: rgba(15, 23, 42, 0.92);
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.08);
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.er-action-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(2, 6, 23, 0.10);
  border-color: rgba(15, 23, 42, 0.16);
  background: rgba(255, 255, 255, 0.9);
}

.er-action-card:focus {
  outline: 3px solid rgba(14, 165, 233, 0.35);
  outline-offset: 2px;
}

.er-action-card__title {
  font-weight: 850;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.er-action-card__meta {
  color: rgba(15, 23, 42, 0.62);
  font-weight: 650;
  font-size: 0.95rem;
  line-height: 1.35;
}

.er-action-card--primary {
  border-color: rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.92), rgba(14, 165, 233, 0.88));
  color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 36px rgba(109, 40, 217, 0.20);
}

.er-action-card--primary .er-action-card__meta {
  color: rgba(255, 255, 255, 0.88);
}

.er-action-card--primary:hover {
  box-shadow: 0 20px 42px rgba(109, 40, 217, 0.24);
}

/* --- Bottom sticky menu (mobile) --- */
.er-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  padding: 0.7rem 0.9rem calc(0.7rem + env(safe-area-inset-bottom, 0px));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  border-top: 1px solid rgba(15, 23, 42, 0.10);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  transform: translateY(120%);
  transition: transform 180ms ease;
}

.er-bottom-nav.is-visible {
  transform: translateY(0);
}

.er-bottom-nav__item {
  display: grid;
  gap: 0.05rem;
  align-content: center;
  padding: 0.62rem 0.7rem;
  border-radius: 16px;
  text-decoration: none;
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: rgba(255, 255, 255, 0.78);
  color: rgba(15, 23, 42, 0.92);
  min-width: 0;
}

.er-bottom-nav__title {
  font-weight: 850;
  letter-spacing: -0.01em;
  line-height: 1.1;
  font-size: 0.98rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.er-bottom-nav__meta {
  font-weight: 650;
  font-size: 0.86rem;
  color: rgba(15, 23, 42, 0.62);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.er-bottom-nav__item--primary {
  border-color: rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.92), rgba(14, 165, 233, 0.88));
  color: rgba(255, 255, 255, 0.98);
}

.er-bottom-nav__item--primary .er-bottom-nav__meta {
  color: rgba(255, 255, 255, 0.88);
}

@media (min-width: 861px) {
  .er-bottom-nav {
    display: none;
  }
}

.er-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.08);
  color: rgba(15, 23, 42, 0.78);
  font-weight: 600;
  font-size: 0.95rem;
}

.er-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.er-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.er-btn:focus {
  outline: 3px solid rgba(14, 165, 233, 0.35);
  outline-offset: 2px;
}

.er-btn--primary {
  background: linear-gradient(135deg, var(--er-accent), var(--er-accent-2));
  color: white;
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 14px 30px rgba(109, 40, 217, 0.22);
}

.er-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(109, 40, 217, 0.26);
}

.er-btn--ghost {
  background: rgba(255, 255, 255, 0.78);
  color: rgba(15, 23, 42, 0.88);
}

.er-btn--ghost:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.9);
}

.er-portrait {
  justify-self: end;
  width: min(340px, 100%);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 860px) {
  .er-portrait {
    justify-self: start;
    border-radius: 28px;
    order: 2;
  }
}

@media (max-width: 860px) {
  .er-hero__card {
    order: 1;
  }
}

@media (max-width: 860px) {
  .er-hero--full .er-portrait {
    width: min(520px, 100%);
  }
}

.er-programare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
  align-items: start;
}

@media (max-width: 860px) {
  .er-programare {
    grid-template-columns: 1fr;
  }
}

.er-programare__card {
  background: var(--er-surface-strong);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: clamp(1.15rem, 2.6vw, 1.5rem);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}

.er-programare__card--soft {
  background: rgba(255, 255, 255, 0.86);
}

.er-programare__card ul {
  padding-left: 0;
  list-style: none;
}

.er-programare__card li {
  margin: 0.35rem 0;
  line-height: 1.55;
  position: relative;
  padding-left: 1.15rem;
}

.er-programare__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.28);
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.10);
}

.er-programare__label {
  margin: 0;
  color: rgba(15, 23, 42, 0.62);
  font-weight: 700;
  font-size: 0.95rem;
}

.er-programare__number {
  margin: 0.35rem 0 0;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  font-weight: 850;
}

.er-programare__number a {
  color: rgba(15, 23, 42, 0.95);
  text-decoration: none;
}

.er-programare__number a:hover {
  text-decoration: underline;
}

.er-programare__hint {
  margin: 0.25rem 0 0;
  color: rgba(15, 23, 42, 0.62);
}

.er-programare__actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.er-portrait img {
  display: block;
  width: 100%;
  height: auto;
}

.er-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.er-card {
  grid-column: span 4;
  background: var(--er-surface-strong);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 1.25rem 1.2rem;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}

@media (max-width: 980px) {
  .er-card { grid-column: span 6; }
}
@media (max-width: 620px) {
  .er-card { grid-column: span 12; }
}

.er-card h3 {
  margin: 0.1rem 0 0.5rem;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.er-card p {
  margin: 0;
  color: var(--er-muted);
  line-height: 1.6;
}

.er-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
}

@media (max-width: 860px) {
  .er-split { grid-template-columns: 1fr; }
}

.er-box {
  background: var(--er-surface);
  border: 1px solid var(--er-border);
  border-radius: var(--er-radius);
  padding: 1.25rem 1.25rem;
  box-shadow: 0 10px 28px rgba(2, 6, 23, 0.08);
}

.er-box h2 {
  margin: 0 0 0.75rem;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.er-box p {
  margin: 0.75rem 0 0;
  line-height: 1.7;
  color: rgba(15, 23, 42, 0.82);
}

.er-box ul {
  margin: 0.75rem 0 0;
  padding-left: 0;
  list-style: none;
  color: rgba(15, 23, 42, 0.82);
}

.er-box li {
  margin: 0.35rem 0;
  line-height: 1.55;
  position: relative;
  padding-left: 1.15rem;
}

.er-box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.28);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.10);
}

.er-cta {
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.12), rgba(14, 165, 233, 0.10));
  border: 1px solid rgba(109, 40, 217, 0.16);
  border-radius: clamp(18px, 3vw, 28px);
  padding: clamp(1.25rem, 3.5vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 860px) {
  .er-cta { flex-direction: column; align-items: flex-start; }
}

.er-cta .er-actions {
  flex: 0 0 auto;
}

.er-cta .er-btn {
  white-space: nowrap;
  min-width: 10.5rem;
}

.er-cta h2 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.er-cta p {
  margin: 0.5rem 0 0;
  color: var(--er-muted);
}

.er-muted-note {
  margin-top: 0.75rem;
  color: rgba(15, 23, 42, 0.62);
  font-size: 0.95rem;
}