:root {
  --primary: #077398;
  --primary-dark: #055d7a;
  --primary-soft: rgba(7, 115, 152, 0.12);
  --accent: #12b7cf;
  --text-main: #10212b;
  --text-muted: #5f7380;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --border: rgba(16, 33, 43, 0.1);
  --danger: #c83d4e;
  --success: #188a63;
  --shadow-lg: 0 30px 80px rgba(9, 49, 70, 0.16);
  --shadow-md: 0 18px 40px rgba(9, 49, 70, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Cairo", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top right, rgba(18, 183, 207, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(7, 115, 152, 0.18), transparent 30%),
    linear-gradient(135deg, #edf8fb 0%, #f6fbfd 45%, #eef5f9 100%);
}

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

button,
input {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
  padding: 32px 18px;
}

.hero {
  position: relative;
  overflow: hidden;
  max-width: 1180px;
  margin: 0 auto;
  border-radius: 36px;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(7, 115, 152, 0.12), transparent 42%),
    linear-gradient(300deg, rgba(18, 183, 207, 0.18), transparent 40%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.05fr);
  gap: 28px;
  align-items: stretch;
  padding: 28px;
}

.brand-card,
.form-card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.brand-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  padding: 32px;
}

.brand-card::before {
  content: "";
  position: absolute;
  inset: auto auto 24px 24px;
  width: 110px;
  height: 110px;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(7, 115, 152, 0.12), rgba(18, 183, 207, 0.22));
  filter: blur(2px);
}

.brand-card__logo-wrap {
  position: relative;
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  margin-bottom: 26px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(7, 115, 152, 0.12), rgba(18, 183, 207, 0.16));
  border: 1px solid rgba(7, 115, 152, 0.12);
  overflow: hidden;
}

.brand-card__logo {
  width: 72%;
  height: 72%;
  object-fit: contain;
}

.brand-card__fallback {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--primary);
}

.brand-card__fallback.is-visible {
  display: grid;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
}

.brand-card h1,
.form-card h2 {
  margin: 0;
  line-height: 1.2;
}

.brand-card h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 14px;
}

.brand-card p,
.form-card p,
.helper-text,
.error-message {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.8;
}

.brand-card__copy {
  position: relative;
  z-index: 1;
  max-width: 460px;
}

.form-card {
  padding: 32px;
}

.form-card__header {
  margin-bottom: 24px;
}

.form-card__header h2 {
  font-size: 1.65rem;
  margin-bottom: 10px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-group--full {
  grid-column: 1 / -1;
}

.field-group label {
  font-weight: 700;
  color: var(--text-main);
}

.field-group input {
  width: 100%;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: var(--surface-strong);
  color: var(--text-main);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  box-shadow: inset 0 0 0 1px rgba(16, 33, 43, 0.05);
}

.field-group input::placeholder {
  color: #8aa0ac;
}

.field-group input:focus {
  border-color: rgba(7, 115, 152, 0.38);
  box-shadow: 0 0 0 5px rgba(7, 115, 152, 0.12);
  transform: translateY(-1px);
}

.field-group input.is-invalid {
  border-color: rgba(200, 61, 78, 0.35);
  box-shadow: 0 0 0 5px rgba(200, 61, 78, 0.12);
}

.error-message {
  min-height: 1.4em;
  color: var(--danger);
  font-size: 0.92rem;
  font-weight: 600;
}

.form-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: 10px;
}

.submit-button {
  position: relative;
  min-width: 210px;
  border: 0;
  border-radius: 16px;
  padding: 16px 22px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 18px 30px rgba(7, 115, 152, 0.22);
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 34px rgba(7, 115, 152, 0.26);
}

.submit-button:active {
  transform: translateY(0);
}

.submit-button:disabled {
  cursor: not-allowed;
  opacity: 0.78;
  transform: none;
  box-shadow: 0 14px 24px rgba(7, 115, 152, 0.16);
}

.helper-text {
  font-size: 0.95rem;
}

.helper-text.is-success {
  color: var(--success);
}

.helper-text.is-error {
  color: var(--danger);
}

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

  .brand-card,
  .form-card {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 14px;
  }

  .hero {
    border-radius: 26px;
  }

  .hero__content {
    padding: 16px;
    gap: 16px;
  }

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

  .field-group--full {
    grid-column: auto;
  }

  .submit-button {
    width: 100%;
  }
}