/* Anesthesia Day Symposium 2026 — theme taken from the certificate design */
:root {
  --navy-950: #001022;
  --navy-900: #04192c;
  --navy-800: #062841;
  --navy-700: #063b5b;
  --navy-600: #0a4d72;
  --teal: #70cdd4;
  --teal-strong: #8fe0e6;
  --teal-dim: rgba(112, 205, 212, 0.28);
  --teal-faint: rgba(112, 205, 212, 0.1);
  --text: #e8f5f7;
  --muted: #a3c3cd;
  --error: #ff9b9b;
  --error-bg: rgba(255, 110, 110, 0.12);
  --success: #7fe0b0;
  --success-bg: rgba(90, 210, 150, 0.12);
  --radius: 14px;
  --font: "Source Sans 3", "Myriad Pro", "Segoe UI", "Noto Sans Arabic", system-ui, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--navy-950);
  display: flex;
  flex-direction: column;
}

/* Layered background: radial glow + hexagon mesh + faint rings, like the certificate */
.bg {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 50% 42%, transparent 0 28%, rgba(112,205,212,.05) 28.2% 28.4%, transparent 28.6% 40%, rgba(112,205,212,.04) 40.2% 40.4%, transparent 40.6%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='208' viewBox='0 0 120 208'%3E%3Cg fill='none' stroke='%23001022' stroke-opacity='.55' stroke-width='3'%3E%3Cpath d='M60 0l60 34.6v69.3L60 138.6 0 103.9V34.6z'/%3E%3Cpath d='M60 138.6V208M0 103.9l-60 34.7M120 103.9l60 34.7'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(ellipse 85% 70% at 50% 40%, var(--navy-600) 0%, var(--navy-700) 30%, var(--navy-800) 58%, var(--navy-950) 100%);
  background-size: auto, 120px 208px, auto;
}

.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* Top bar with partner + sponsor logos */
.topbar { padding: 18px 0 8px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.partners { height: auto; width: min(520px, 100%); }
.sponsors img { height: auto; width: min(260px, 60vw); }

/* Hero */
.hero { text-align: center; padding: 28px 0 8px; }
.hero-title { margin: 0 auto; max-width: 760px; }
.hero-title img { display: block; width: 100%; height: auto; }
.hero-theme {
  margin: 18px auto 0; max-width: 720px;
  font-size: clamp(1.02rem, 2.4vw, 1.3rem); font-weight: 700; color: var(--teal); line-height: 1.35;
}
.hero-meta {
  list-style: none; padding: 0; margin: 20px 0 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
}
.hero-meta li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(0, 16, 34, .45); border: 1px solid var(--teal-dim);
  color: var(--text); font-size: .95rem;
}
.hero-meta svg { width: 18px; height: 18px; fill: none; stroke: var(--teal); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Card */
.card {
  max-width: 720px; margin: 32px auto 48px;
  background: linear-gradient(180deg, rgba(6, 40, 65, .82), rgba(0, 16, 34, .82));
  border: 1px solid var(--teal-dim);
  border-radius: 20px;
  padding: clamp(20px, 4vw, 40px);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .7), inset 0 1px 0 rgba(255, 255, 255, .04);
  backdrop-filter: blur(6px);
}
.card-head h2 {
  margin: 0; font-size: clamp(1.6rem, 4vw, 2.1rem); font-weight: 700; color: var(--teal); letter-spacing: .2px;
}
.card-head p { margin: 6px 0 24px; color: var(--muted); }

/* Form */
.grid { display: grid; grid-template-columns: 1fr; gap: 4px 18px; }
@media (min-width: 640px) {
  .grid { grid-template-columns: 210px 1fr; }
  .col-full { grid-column: 1 / -1; }
}
.field { margin-bottom: 14px; min-width: 0; }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .97rem; }
.req { color: var(--teal); }
.opt { color: var(--muted); font-weight: 400; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: .86rem; }
.field-error { margin: 6px 0 0; color: var(--error); font-size: .88rem; min-height: 0; }
.field-error:empty { display: none; }

input[type=text], input[type=email], input[type=tel], input[type=password], input[type=search], select {
  width: 100%; height: 48px;
  padding: 0 14px;
  font: inherit; color: var(--text);
  background: rgba(0, 16, 34, .6);
  border: 1px solid var(--teal-dim);
  border-radius: 10px;
  transition: border-color .15s, box-shadow .15s, background .15s;
  appearance: none; -webkit-appearance: none;
}
input::placeholder { color: rgba(163, 195, 205, .55); }
input:hover, select:hover { border-color: rgba(112, 205, 212, .5); }
input:focus, select:focus {
  outline: none; border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(112, 205, 212, .22);
  background: rgba(0, 16, 34, .8);
}
[aria-invalid=true] { border-color: var(--error) !important; }
[aria-invalid=true]:focus { box-shadow: 0 0 0 3px rgba(255, 120, 120, .2) !important; }

.select { position: relative; }
.select::after {
  content: ""; position: absolute; right: 15px; top: 50%; width: 8px; height: 8px; margin-top: -6px;
  border-right: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(45deg); pointer-events: none;
}
.select select { padding-right: 38px; cursor: pointer; }
option { background: var(--navy-900); color: var(--text); }

.phone { display: grid; grid-template-columns: 112px 1fr; gap: 10px; }
.phone .select select { color: transparent; }
.phone .select select:focus { color: transparent; }
.phone .code-display {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  pointer-events: none; font-variant-numeric: tabular-nums; color: var(--text);
}

/* Live certificate preview */
.preview {
  margin: 2px 0 16px; padding: 14px 16px; border-radius: 12px;
  border: 1px dashed var(--teal-dim); background: var(--teal-faint); text-align: center;
}
.preview-label { display: block; font-size: .78rem; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.preview-name { display: block; margin-top: 4px; font-size: clamp(1.15rem, 3.4vw, 1.5rem); font-weight: 700; color: #fff; word-break: break-word; }

/* Honeypot */
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Buttons */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; min-height: 52px; margin-top: 8px; padding: 0 22px;
  font: inherit; font-size: 1.06rem; font-weight: 700; letter-spacing: .2px;
  color: var(--navy-950); background: var(--teal);
  border: 0; border-radius: 12px; cursor: pointer;
  box-shadow: 0 10px 30px -12px rgba(112, 205, 212, .6);
  transition: background .15s, transform .05s, box-shadow .15s;
}
.btn:hover { background: var(--teal-strong); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.btn[disabled] { opacity: .75; cursor: progress; }
.spinner {
  display: none; width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid rgba(0, 16, 34, .3); border-top-color: var(--navy-950);
  animation: spin .8s linear infinite;
}
.btn.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.fine { margin: 12px 0 0; text-align: center; color: var(--muted); font-size: .82rem; }
.link-btn { padding: 0; margin-top: 8px; background: none; border: 0; color: var(--teal); font: inherit; font-weight: 600; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

/* Alerts */
.alert { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 12px; margin-bottom: 18px; }
.alert p { margin: 2px 0 0; }
.alert svg { flex: none; width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.alert-success { background: var(--success-bg); border: 1px solid rgba(127, 224, 176, .4); color: var(--success); }
.alert-success p { color: var(--text); }
.alert-error { background: var(--error-bg); border: 1px solid rgba(255, 155, 155, .4); color: var(--error); }

/* Footer */
.footer { margin-top: auto; padding: 8px 0 28px; text-align: center; color: var(--muted); font-size: .9rem; }
.footer p { margin: 4px 0 0; }
.pulse { width: 220px; height: 30px; fill: none; stroke: var(--teal); stroke-width: 1.6; stroke-linejoin: round; opacity: .7; }

@media (max-width: 640px) {
  .topbar-inner { justify-content: center; }
  .partners { width: 100%; }
  .hero { padding-top: 16px; }
  .card { margin-top: 24px; border-radius: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation-duration: 0s !important; }
}

/* Steps indicator */
.steps { list-style: none; display: flex; gap: 8px; padding: 0; margin: 14px 0 22px; counter-reset: s; flex-wrap: wrap; }
.steps li {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 5px; border-radius: 999px;
  font-size: .9rem; color: var(--muted); border: 1px solid rgba(112, 205, 212, .15); background: rgba(0, 16, 34, .35);
}
.steps li span {
  display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  font-size: .8rem; font-weight: 700; border: 1px solid var(--teal-dim); color: var(--muted);
}
.steps li.is-current { color: var(--text); border-color: var(--teal); }
.steps li.is-current span { background: var(--teal); color: var(--navy-950); border-color: var(--teal); }
.steps li.is-done span { background: rgba(112, 205, 212, .2); color: var(--teal); }

.form-intro { margin: 0 0 18px; color: var(--muted); }
.small { font-size: .88rem; color: var(--muted) !important; margin-top: 6px !important; }

.alert-info { background: rgba(112, 205, 212, .1); border: 1px solid var(--teal-dim); color: var(--teal); }
.alert-info p { color: var(--text); }

/* Verification step */
.verify-intro { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.verify-intro > svg { flex: none; width: 44px; height: 44px; padding: 9px; border-radius: 12px; background: var(--teal-faint); border: 1px solid var(--teal-dim);
  fill: none; stroke: var(--teal); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.verify-intro h3 { margin: 0 0 4px; font-size: 1.25rem; }
.verify-intro p { margin: 0; color: var(--muted); }
.verify-intro strong { color: var(--text); word-break: break-all; }
input.code-input {
  height: 60px; text-align: center; font-size: 1.9rem; font-weight: 700; letter-spacing: .45em; padding-left: .45em;
  font-variant-numeric: tabular-nums; max-width: 320px; display: block;
}
.verify-actions { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.verify-actions form { margin: 0; }
.verify-actions .link-btn { margin: 0; }
.link-btn[disabled] { color: var(--muted); cursor: default; text-decoration: none; }
@media (max-width: 440px) {
  .steps { gap: 5px; }
  .steps li { font-size: .78rem; gap: 5px; padding: 4px 8px 4px 4px; }
  .steps li span { width: 20px; height: 20px; font-size: .72rem; }
}