/* ═══════════════════════════════════════════
   contact.css — CADDynOmics Lab Contact Page
   Place in: /static/style/contact.css
   ═══════════════════════════════════════════ */

/* ── PAGE VARIABLES ── */
:root {
  --green:    #0b7840;
  --green-lt: #13a356;
  --green-dim:#07522c;
  --navy:     #071c2e;
  --navy-lt:  #0d2a42;
  --text:     #1a2e3b;
  --muted:    #5a7a8a;
  --border:   #dde8ee;
  --radius:   14px;
  --shadow:   0 4px 24px rgba(7,28,46,.10);
  --shadow-h: 0 10px 40px rgba(7,28,46,.18);
}

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

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: #f4f8fb;
}

/* ── HERO BANNER ── */
.contact-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0e3450 55%, var(--green-dim) 100%);
  padding: 72px 40px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230b7840' fill-opacity='0.07'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: .6;
}

.contact-hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  position: relative;
}

.contact-hero h1 span {
  color: #2ecc71;
}

.contact-hero p {
  margin-top: 14px;
  color: rgba(255,255,255,.72);
  font-size: 16px;
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.75;
  position: relative;
}

.hero-breadcrumb {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  position: relative;
}

.hero-breadcrumb a {
  color: #2ecc71;
  text-decoration: none;
}

.hero-breadcrumb a:hover {
  text-decoration: underline;
}

/* ── INFO STRIP ── */
.contact-info-strip {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 36px 40px;
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 0 48px;
  border-right: 1px solid var(--border);
  flex: 1;
  min-width: 220px;
  max-width: 340px;
}

.info-item:last-child {
  border-right: none;
}

.info-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(11,120,64,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 18px;
  flex-shrink: 0;
}

.info-text h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 6px;
}

.info-text p,
.info-text a {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  text-decoration: none;
}

.info-text a:hover {
  color: var(--green);
}

.info-text .institution {
  font-style: italic;
  color: var(--muted);
  font-size: 13px;
}

/* ── MAIN CONTENT ── */
.contact-main {
  max-width: 1100px;
  margin: 60px auto 80px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}

/* ── LEFT COLUMN: MAILING LIST ── */
.mailing-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mailing-card-top {
  background: linear-gradient(135deg, var(--navy) 0%, #0e3450 70%, var(--green-dim) 100%);
  padding: 36px 32px 28px;
  position: relative;
  overflow: hidden;
}

.mailing-card-top::after {
  content: '';
  position: absolute;
  right: -30px;
  top: -30px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(11,120,64,.2);
}

.mailing-card-top h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

.mailing-card-top h2 span {
  color: #2ecc71;
}

.mailing-card-top p {
  margin-top: 10px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.mailing-card-body {
  padding: 28px 32px 32px;
}

.mailing-card-body label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--muted);
  margin-bottom: 8px;
}

.mailing-card-body label span {
  color: #e74c3c;
}

.mailing-input-row {
  display: flex;
  gap: 0;
}

.mailing-input-row input[type="email"] {
  flex: 1;
  padding: 11px 16px;
  border: 1.5px solid var(--border);
  border-right: none;
  border-radius: 8px 0 0 8px;
  font-size: 14px;
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: #f9fbfc;
  outline: none;
  transition: border-color .2s ease;
}

.mailing-input-row input[type="email"]:focus {
  border-color: var(--green);
  background: #fff;
}

.mailing-input-row button {
  padding: 11px 24px;
  background: var(--green);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  transition: background .2s ease;
  white-space: nowrap;
}

.mailing-input-row button:hover {
  background: var(--green-lt);
}

/* ── EXTRA INFO / MAP STUB ── */
.extra-info {
  margin-top: 24px;
  padding: 20px 32px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.extra-info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: var(--text);
}

.extra-info-row i {
  color: var(--green);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.extra-info-row a {
  color: var(--text);
  text-decoration: none;
}

.extra-info-row a:hover {
  color: var(--green);
}

/* ── RIGHT COLUMN: CONTACT FORM ── */
.contact-form-card {
  background: var(--navy);
  border-radius: var(--radius);
  box-shadow: var(--shadow-h);
  padding: 40px 40px 44px;
  color: #fff;
}

.contact-form-card h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.contact-form-card > p {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  margin-bottom: 28px;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.form-group label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: rgba(255,255,255,.55);
}

.form-group label span {
  color: #e74c3c;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(255,255,255,.12);
  border-radius: 8px;
  padding: 11px 16px;
  font-size: 14px;
  font-family: 'Open Sans', sans-serif;
  color: #fff;
  outline: none;
  transition: border-color .2s ease, background .2s ease;
  resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,.25);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #2ecc71;
  background: rgba(255,255,255,.1);
}

.form-group textarea {
  min-height: 120px;
}

.btn-send {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  padding: 13px 32px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 8px;
  transition: background .2s ease, transform .15s ease;
  letter-spacing: .3px;
}

.btn-send:hover {
  background: var(--green-lt);
  transform: translateY(-2px);
}

/* ── SUCCESS / ERROR MESSAGE ── */
.form-message {
  display: none;
  margin-top: 14px;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}

.form-message.success {
  background: rgba(46,204,113,.15);
  border: 1px solid rgba(46,204,113,.4);
  color: #2ecc71;
}

.form-message.error {
  background: rgba(231,76,60,.15);
  border: 1px solid rgba(231,76,60,.4);
  color: #e74c3c;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .contact-main {
    grid-template-columns: 1fr;
  }

  .contact-info-strip {
    padding: 28px 20px;
    gap: 20px;
  }

  .info-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0 0 20px;
    max-width: 100%;
  }

  .info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

@media (max-width: 560px) {
  .contact-hero { padding: 52px 20px 40px; }
  .contact-form-card { padding: 28px 20px 32px; }
  .form-row { grid-template-columns: 1fr; }
  .mailing-card-top,
  .mailing-card-body,
  .extra-info { padding-left: 20px; padding-right: 20px; }
}