/* Penza / Penza State University — Moroccan → Russia landing */

:root {
  --ma-red: #c1272d;
  --ma-green: #006233;
  --ru-white: #ffffff;
  --ru-blue: #0039a6;
  --ru-red: #d52b1e;
  --ink: #0f1419;
  --ink-soft: #3d4754;
  --surface: #f6f3ef;
  --surface-2: #fffefb;
  --line: rgba(15, 20, 25, 0.08);
  --shadow: 0 20px 50px rgba(15, 20, 25, 0.12);
  --radius: 14px;
  --radius-lg: 22px;
  --font: "DM Sans", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--surface);
  overflow-x: hidden;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 80% at 85% 0%, rgba(0, 57, 166, 0.09), transparent 55%),
    radial-gradient(90% 70% at 10% 10%, rgba(193, 39, 45, 0.07), transparent 50%),
    radial-gradient(80% 60% at 50% 100%, rgba(0, 98, 51, 0.06), transparent 55%),
    var(--surface);
}

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

a {
  color: var(--ru-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

.narrow {
  width: min(560px, 100% - 2.5rem);
}

/* Flags — CSS + clip for Morocco star approximation */
.flag {
  display: inline-block;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.flag--sm {
  width: 22px;
  height: 14px;
  vertical-align: middle;
}

.flag:not(.flag--sm) {
  width: 28px;
  height: 18px;
}

.flag--ma {
  background: var(--ma-red);
  position: relative;
}

.flag--ma::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 32%;
  height: 32%;
  background: var(--ma-green);
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
}

.flag--ru {
  background: linear-gradient(
    to bottom,
    var(--ru-white) 0%,
    var(--ru-white) 33.33%,
    var(--ru-blue) 33.33%,
    var(--ru-blue) 66.66%,
    var(--ru-red) 66.66%
  );
}

.logo__flags {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 239, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

/* establish positioning for mobile nav dropdown */
.header .container {
  position: relative;
}

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

.header__cluster {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: nowrap;
}

.lang-switch {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  box-shadow: 0 1px 3px rgba(15, 20, 25, 0.06);
  overflow: hidden;
  flex-shrink: 0;
}

.lang-switch__btn {
  margin: 0;
  padding: 0.38rem 0.72rem;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: transparent;
  color: var(--ink-soft);
  transition: background 0.2s, color 0.2s;
}

.lang-switch__btn:hover {
  color: var(--ink);
  background: rgba(15, 20, 25, 0.04);
}

.lang-switch__btn.is-active {
  background: var(--ru-blue);
  color: #fff;
}

.lang-switch__btn.is-active:hover {
  color: #fff;
  background: #0a52c9;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo__accent {
  color: var(--ru-blue);
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}

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

.nav__cta {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--ma-red), #9e1f24);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(193, 39, 45, 0.35);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(193, 39, 45, 0.35);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.25s var(--ease-out), opacity 0.2s;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.25rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--line);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.35s var(--ease-out), opacity 0.25s;
  }

  .nav.is-open {
    max-height: 320px;
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav a:last-child {
    border-bottom: 0;
    margin-top: 0.5rem;
    text-align: center;
  }
}

/* Hero */
.hero {
  position: relative;
  padding-block: 3.5rem 5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.eyebrow__flags {
  display: inline-flex;
  gap: 4px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.35rem);
  line-height: 1.12;
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero__title em {
  font-style: normal;
  color: var(--ru-blue);
}

.hero__title strong {
  font-weight: 700;
  background: linear-gradient(120deg, var(--ma-red), var(--ru-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin: 0 0 1.75rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 34em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s, background 0.25s, border-color 0.25s;
  font-family: inherit;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--ru-blue), #0a52c9);
  color: #fff;
  box-shadow: 0 6px 24px rgba(0, 57, 166, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 57, 166, 0.4);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink-soft);
  background: var(--surface-2);
  color: var(--ink);
}

.btn--secondary {
  background: var(--surface-2);
  border-color: var(--ru-blue);
  color: var(--ru-blue);
}

.btn--secondary:hover {
  background: rgba(0, 57, 166, 0.08);
  color: var(--ru-blue);
}

.btn--light {
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.btn--light:hover {
  transform: translateY(-2px);
  color: var(--ink);
}

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

.btn--pulse {
  animation: pulse-soft 2.8s ease-in-out infinite;
}

@keyframes pulse-soft {
  0%,
  100% {
    box-shadow: 0 6px 24px rgba(255, 255, 255, 0.25);
  }
  50% {
    box-shadow: 0 10px 36px rgba(255, 255, 255, 0.45);
  }
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 1.25rem;
  background: var(--surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero__stats dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0 0 0.25rem;
}

.hero__stats dd {
  margin: 0;
  font-weight: 600;
}

.muted {
  font-weight: 500;
  color: var(--ink-soft);
}

.hero__card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, var(--surface-2), #e8e4de);
}

.hero__img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero__badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.hero__badge-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.hero__badge-value {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ru-blue);
}

.float-slow {
  animation: float-y 7s ease-in-out infinite;
}

@keyframes float-y {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero__wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: linear-gradient(to top, var(--surface-2), transparent);
  pointer-events: none;
}

/* Sections */
.section {
  padding-block: 4.5rem;
}

.section--alt {
  background: var(--surface-2);
}

.section__head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
}

.section__sub {
  margin: 0;
  color: var(--ink-soft);
}

.section--dark {
  background: linear-gradient(160deg, #0f1728 0%, #152238 50%, #0c1220 100%);
  color: #e8ecf4;
}

.section--dark .section__sub {
  color: rgba(232, 236, 244, 0.78);
}

.section__head--light h2 {
  color: #fff;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(15, 20, 25, 0.06);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.card__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #ddd;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card h3 {
  margin: 0 0 0.5rem;
  padding: 0 1.25rem;
  padding-top: 1.25rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* Split */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

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

.split__text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.2rem);
  margin: 0 0 1rem;
}

.lead {
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.checks {
  margin: 0 0 1.5rem;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.checks li {
  margin-bottom: 0.5rem;
}

.split__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.split__figure img {
  width: 100%;
  aspect-ratio: 7 / 8;
  object-fit: cover;
}

.split__caption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  background: var(--surface-2);
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.timeline__item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.timeline__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ma-red), var(--ru-blue), var(--ru-red));
  opacity: 0.9;
}

.timeline__step {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.75rem;
}

.timeline__item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.timeline__item p {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(232, 236, 244, 0.82);
}

/* CTA band */
.cta-band {
  padding-block: 3rem;
  background: linear-gradient(115deg, rgba(0, 57, 166, 0.12), rgba(193, 39, 45, 0.1));
}

.cta-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.25rem;
  background: linear-gradient(135deg, #122042, #1a3a6e);
  border-radius: var(--radius-lg);
  color: #e8ecf4;
  box-shadow: var(--shadow);
}

.cta-band__text {
  max-width: 520px;
}

.cta-band__text h2 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
}

.cta-band__text p {
  margin: 0;
  color: rgba(232, 236, 244, 0.85);
}

/* Contact */
.contact-card {
  background: var(--surface-2);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-card__actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.contact-card__btn {
  text-align: center;
}

.btn--whatsapp {
  background: linear-gradient(135deg, #25d366, #128c4a);
  color: #fff !important;
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
  color: #fff !important;
}

.contact-card__hint {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Footer */
.footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
}

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

.footer__brand {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 400px;
}

.footer__brand p {
  margin: 0;
  font-size: 0.95rem;
}

.footer__meta {
  max-width: 380px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: right;
}

.footer__meta p {
  margin: 0 0 0.5rem;
}

.footer__meta p:last-child {
  margin-bottom: 0;
}

.footer__meta a {
  color: var(--ink-soft);
  font-weight: 600;
}

.footer__meta a:hover {
  color: var(--ru-blue);
}

@media (max-width: 640px) {
  .footer__meta {
    text-align: left;
  }
}

/* Mobile — comfortable phone browsing (desktop layout unchanged) */
@media (max-width: 768px) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .header {
    padding-top: env(safe-area-inset-top);
  }

  .container,
  .narrow {
    width: calc(100% - 1.5rem);
  }

  .hero {
    padding-block: 2.25rem 3rem;
  }

  .hero__visual {
    order: -1;
    max-width: 22rem;
    margin-inline: auto;
  }

  .hero__title {
    font-size: clamp(1.65rem, 7vw, 2.25rem);
  }

  .hero__lead {
    font-size: 1rem;
    max-width: none;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
    min-height: 3rem;
  }

  .hero__stats {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 1rem;
  }

  .section {
    padding-block: 3rem;
  }

  .section__head h2 {
    font-size: clamp(1.45rem, 5.5vw, 1.85rem);
  }

  .btn {
    min-height: 3rem;
    font-size: 0.95rem;
    -webkit-tap-highlight-color: transparent;
  }

  .nav a {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
  }

  .nav.is-open {
    max-height: 22rem;
  }

  .lang-switch__btn {
    min-height: 2.75rem;
    padding-inline: 0.7rem;
  }

  .card:hover {
    transform: none;
  }

  .card:hover .card__media img {
    transform: none;
  }

  .split__figure {
    max-width: 22rem;
    margin-inline: auto;
  }

  .cta-band__inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: 1.5rem 1.25rem;
  }

  .cta-band__inner .btn {
    width: 100%;
  }

  .contact-card {
    padding: 1.5rem;
  }

  .contact-card__btn {
    min-height: 3rem;
  }

  .footer {
    padding-bottom: calc(2.5rem + env(safe-area-inset-bottom));
  }

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

  .footer__brand,
  .footer__meta {
    max-width: none;
  }

  .footer__meta {
    text-align: left;
  }

  .footer__contact-line {
    word-break: break-word;
  }

  .hero__grid > *,
  .split > *,
  .cards > * {
    min-width: 0;
  }

  html[dir="rtl"] .footer__meta {
    text-align: right;
  }
}

/* Arabic / RTL */
html[dir="rtl"] body,
html[dir="rtl"] .btn,
html[dir="rtl"] input,
html[dir="rtl"] select,
html[dir="rtl"] textarea {
  font-family: "Noto Sans Arabic", "DM Sans", system-ui, sans-serif;
}

html[dir="rtl"] .hero__title,
html[dir="rtl"] .logo,
html[dir="rtl"] .section__head h2,
html[dir="rtl"] .cta-band__text h2,
html[dir="rtl"] .split__text h2,
html[dir="rtl"] .card h3,
html[dir="rtl"] .timeline__item h3,
html[dir="rtl"] .hero__badge-value {
  font-family: "Noto Sans Arabic", Georgia, serif;
}

html[dir="rtl"] .footer__meta {
  text-align: left;
}

html[dir="rtl"] .checks {
  padding-right: 1.1rem;
  padding-left: 0;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .float-slow,
  .btn--pulse {
    animation: none;
  }

  .card:hover,
  .btn--primary:hover,
  .btn--light:hover {
    transform: none;
  }
}