/* ── Variables ────────────────────────────────── */
:root {
  --bg: #edf1fa;
  --surface: #ffffff;
  --border: #c4d1ea;
  --text: #1a1a2e;
  --muted: #5f6d8e;
  --accent: #4cc9f0;
  --accent-dk: #34b6de;
  --header-bg: #33405e;
  --footer-bg: #1a1a2e;
  --footer-fg: #e5e5e5;
  --error: #dc2626;
  --success: #16a34a;
}

[data-theme="dark"] {
  --bg: #0f1628;
  --surface: #18233c;
  --border: #2f3d5f;
  --text: #e7edfc;
  --muted: #9fafd2;
  --accent: #7adcf7;
  --accent-dk: #4cc9f0;
  --header-bg: #202b45;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background .3s, color .3s;
}

/* ── Header ───────────────────────────────────── */
header {
  background: var(--header-bg);
  color: #fff;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  color: #b8c1ec;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 400;
  transition: color .2s;
}

nav a:hover,
nav a.active {
  color: #4cc9f0;
}

/* ── Hero strip ───────────────────────────────── */
.hero-strip {
  background: linear-gradient(135deg, #33405e 0%, #231549 100%);
  padding: 3.5rem 2rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 120%, rgba(76, 201, 240, .35) 0%, transparent 70%);
}

.hero-strip h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  position: relative;
  letter-spacing: -.03em;
}

.hero-strip p {
  margin-top: .75rem;
  color: rgba(255, 255, 255, .65);
  font-size: 1.05rem;
  position: relative;
  max-width: 480px;
  margin-inline: auto;
  line-height: 1.6;
}

/* ── Main layout ──────────────────────────────── */
main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  max-width: 960px;
  width: 100%;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

/* ── Info panel ───────────────────────────────── */
.info-panel h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -.02em;
}

.info-panel p {
  color: var(--muted);
  line-height: 1.7;
  font-size: .97rem;
  margin-bottom: 1.5rem;
}

.info-items {
  display: flex;
  flex-direction: column;
  gap: .9rem;
  margin-top: 1.5rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
}

.info-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.info-item-text strong {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: .15rem;
}

.info-item-text span {
  color: var(--muted);
  font-size: .88rem;
}

/* ── Card ─────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 2rem 2.5rem;
  box-shadow: 0 10px 28px rgba(35, 21, 73, .14);
}

/* ── Form ─────────────────────────────────────── */
.form-group {
  margin-bottom: 1.2rem;
}

label {
  display: block;
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: .4rem;
  color: var(--text);
}

label span {
  color: var(--error);
  margin-left: .15rem;
}

input[type="text"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: .65rem .9rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(76, 201, 240, .22);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Submit ───────────────────────────────────── */
.btn-submit {
  width: 100%;
  padding: .8rem 1.5rem;
  background: var(--accent);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background .2s, transform .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  margin-top: 1.5rem;
}

.btn-submit:hover:not(:disabled) {
  background: var(--accent-dk);
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

/* ── Spinner ──────────────────────────────────── */
.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}

.btn-submit.loading .spinner {
  display: block;
}

.btn-submit.loading .btn-label {
  display: none;
}

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

/* ── Feedback messages ────────────────────────── */
.feedback {
  display: none;
  padding: .85rem 1rem;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  margin-top: 1rem;
  align-items: center;
  gap: .6rem;
}

.feedback.show {
  display: flex;
}

.feedback.success {
  background: #dcfce7;
  color: var(--success);
  border: 1px solid #bbf7d0;
}

.feedback.error {
  background: #fee2e2;
  color: var(--error);
  border: 1px solid #fecaca;
}

[data-theme="dark"] .feedback.success {
  background: #14532d30;
  border-color: #166534;
}

[data-theme="dark"] .feedback.error {
  background: #7f1d1d30;
  border-color: #991b1b;
}



/*---------------------------------------------*/
/* Footer*/
/*---------------------------------------------*/

footer {
  background: linear-gradient(135deg, #33405e 0%, #231549 100%);
  color: var(--footer-fg);
  padding: 40px 0 20px;
  margin-top: 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 20px;
}

.footer-section h3 {
  color: #4cc9f0;
  font-size: 1.2em;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-section p {
  line-height: 1.6;
  color: #b8c1ec;
  margin-bottom: 15px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #b8c1ec;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: #4cc9f0;
  transform: translateX(5px);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.footer-logo-text {
  font-size: 1.5em;
  font-weight: bold;
  color: #4cc9f0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: #b8c1ec;
  font-size: 0.9em;
  margin: 5px;
}

.footer-credits {
  margin-top: 10px;
  font-size: 0.85em;
  color: #8892b6;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(76, 201, 240, 0.1);
  border-radius: 50%;
  color: #4cc9f0;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.2em;
}

.social-link:hover {
  background: #4cc9f0;
  color: #1a1a2e;
  transform: translateY(-3px);
}


.hidden {
  display: none;
}





/* ── Responsive ───────────────────────────────── */
@media (max-width: 680px) {
  main {
    grid-template-columns: 1fr;
  }

  .info-panel {
    order: 2;
  }

  .card {
    order: 1;
  }
}

@media (max-width: 768px) {

  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  footer {
    padding: 40px 0 20px;
  }
}