/* =============================================
   ELMED Online Academy — Under Construction Page
   ============================================= */

/* ---- Theme Variables ---- */
:root {
  /* Dark mode (default) */
  --bg-gradient: linear-gradient(180deg, #1A3A8F 0%, #102868 100%);
  --text-primary: #FFFFFF;
  --text-secondary: #C3CEE8;
  --text-muted: rgba(255, 255, 255, 0.35);
  --text-accent: #E8D89A;
  --text-sub-label: #9FB0D8;
  --countdown-number: #E8D89A;
  --countdown-label: #9FB0D8;
  --countdown-sep: rgba(255, 255, 255, 0.2);
  --divider: rgba(255, 255, 255, 0.12);
  --contact-color: #C3CEE8;
  --contact-sep: rgba(255, 255, 255, 0.25);
  --contact-hover: #FFFFFF;
  --input-bg: #FFFFFF;
  --input-text: #102868;
  --input-placeholder: #9FB0D8;
  --input-border-focus: #C9A93E;
  --input-shadow-focus: rgba(201, 169, 62, 0.25);
  --input-error-border: #E05050;
  --input-error-shadow: rgba(224, 80, 80, 0.25);
  --btn-bg: #C9A93E;
  --btn-text: #1A3A8F;
  --btn-hover-bg: #E8D89A;
  --btn-hover-shadow: rgba(201, 169, 62, 0.35);
  --btn-pulse-shadow: rgba(201, 169, 62, 0.3);
  --consent-color: #9FB0D8;
  --consent-link: #E8D89A;
  --consent-link-hover: #FFFFFF;
  --success-color: #E8D89A;
  --badge-color: #E8D89A;
  --badge-sep: rgba(255, 255, 255, 0.3);
  --logo-container-bg: #FFFFFF;
  --logo-container-shadow: rgba(0, 0, 0, 0.3);
  --bg-dots-color: #FFFFFF;
  --credit-color: rgba(255, 255, 255, 0.35);
  --eyebrow-color: #E8D89A;
}

[data-theme="light"] {
  --bg-gradient: linear-gradient(180deg, #F5F7FB 0%, #E8EDF5 100%);
  --text-primary: #1A2B4A;
  --text-secondary: #4A5B7A;
  --text-muted: rgba(26, 43, 74, 0.35);
  --text-accent: #B8943E;
  --text-sub-label: #6B7FA0;
  --countdown-number: #B8943E;
  --countdown-label: #6B7FA0;
  --countdown-sep: rgba(26, 43, 74, 0.15);
  --divider: rgba(26, 43, 74, 0.10);
  --contact-color: #4A5B7A;
  --contact-sep: rgba(26, 43, 74, 0.20);
  --contact-hover: #1A2B4A;
  --input-bg: #FFFFFF;
  --input-text: #1A2B4A;
  --input-placeholder: #8A9BB5;
  --input-border-focus: #B8943E;
  --input-shadow-focus: rgba(184, 148, 62, 0.25);
  --input-error-border: #D04040;
  --input-error-shadow: rgba(208, 64, 64, 0.25);
  --btn-bg: #B8943E;
  --btn-text: #FFFFFF;
  --btn-hover-bg: #C9A93E;
  --btn-hover-shadow: rgba(184, 148, 62, 0.35);
  --btn-pulse-shadow: rgba(184, 148, 62, 0.3);
  --consent-color: #6B7FA0;
  --consent-link: #B8943E;
  --consent-link-hover: #1A2B4A;
  --success-color: #B8943E;
  --badge-color: #B8943E;
  --badge-sep: rgba(26, 43, 74, 0.25);
  --logo-container-bg: #FFFFFF;
  --logo-container-shadow: rgba(0, 0, 0, 0.10);
  --bg-dots-color: #1A2B4A;
  --credit-color: rgba(26, 43, 74, 0.35);
  --eyebrow-color: #B8943E;
}

/* ---- Theme Toggle ---- */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.20);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease, transform 150ms ease;
  outline: none;
}

.theme-toggle .theme-icon {
  position: absolute;
  width: 20px;
  height: 20px;
  transition: opacity 200ms ease, transform 200ms ease;
}

/* Moon visible in dark mode, sun hidden */
#theme-icon-sun {
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
}

/* Sun visible in light mode, moon hidden */
[data-theme="light"] #theme-icon-moon {
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
}

[data-theme="light"] #theme-icon-sun {
  opacity: 1;
  transform: scale(1);
  pointer-events: none;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.40);
  transform: scale(1.05);
}

.theme-toggle:active {
  transform: scale(0.95);
}

[data-theme="light"] .theme-toggle {
  border-color: rgba(26, 43, 74, 0.18);
  background: rgba(26, 43, 74, 0.06);
  color: #1A2B4A;
}

[data-theme="light"] .theme-toggle:hover {
  background: rgba(26, 43, 74, 0.12);
  border-color: rgba(26, 43, 74, 0.30);
}

/* ---- Theme transition ---- */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background 350ms ease,
              color 350ms ease,
              border-color 350ms ease,
              box-shadow 350ms ease,
              background-color 350ms ease,
              opacity 350ms ease !important;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--bg-gradient);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  color: var(--text-primary);
  position: relative;
  overflow-x: hidden;

  /* Page fade-in animation */
  animation: pageFadeIn 0.8s ease forwards;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Background texture ---- */
.bg-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image:
    radial-gradient(circle at 20% 50%, var(--bg-dots-color) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, var(--bg-dots-color) 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, var(--bg-dots-color) 1px, transparent 1px),
    radial-gradient(circle at 70% 60%, var(--bg-dots-color) 1px, transparent 1px),
    radial-gradient(circle at 10% 90%, var(--bg-dots-color) 1px, transparent 1px),
    radial-gradient(circle at 90% 80%, var(--bg-dots-color) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px, 100px 100px, 70px 70px, 90px 90px, 120px 120px;
  background-position: 0 0, 40px 20px, 10px 60px, 80px 10px, 30px 80px, 100px 50px;
}

/* Main content container */
main {
  width: 100%;
  max-width: 420px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* ---- Logo ---- */
.logo-container {
  width: 200px;
  height: 200px;
  border-radius: 20px;
  background: var(--logo-container-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px var(--logo-container-shadow);
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.logo-img {
  display: block;
  max-width: 80%;
  height: auto;
}

/* ---- Eyebrow ---- */
.eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--eyebrow-color);
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* ---- Sub-label ---- */
.sub-label {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-sub-label);
  margin-bottom: 16px;
}

/* ---- Countdown ---- */
.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 20px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 52px;
}

.countdown-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--countdown-number);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.countdown-label {
  font-size: 9px;
  font-weight: 500;
  color: var(--countdown-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.countdown-sep {
  font-size: 22px;
  font-weight: 300;
  color: var(--countdown-sep);
  margin: 0 4px;
  padding-bottom: 18px;
}

/* ---- Headline ---- */
h1 {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 14px;
}

/* ---- Body text ---- */
.body-text {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 380px;
  margin-bottom: 28px;
}

/* ---- Form ---- */
#signup-form {
  width: 100%;
  margin-bottom: 32px;
}

.form-row {
  display: flex;
  gap: 10px;
  width: 100%;
  align-items: flex-start;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.input-wrapper {
  flex: 1;
  min-width: 0;
  position: relative;
}

input[type="email"] {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--input-text);
  background: var(--input-bg);
  border: 2px solid transparent;
  border-radius: 8px;
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

input[type="email"]::placeholder {
  color: var(--input-placeholder);
}

input[type="email"]:focus {
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--input-shadow-focus);
}

/* Input error state */
input[type="email"].input-error-state {
  border-color: var(--input-error-border);
  box-shadow: 0 0 0 3px var(--input-error-shadow);
}

input[type="email"].input-error-state:focus {
  border-color: var(--input-error-border);
  box-shadow: 0 0 0 3px var(--input-error-shadow);
}

.input-error {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-accent);
  margin-top: 4px;
  min-height: 16px;
  text-align: left;
}

.input-error.is-visible {
  color: #F08080;
}

#submit-btn {
  flex-shrink: 0;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  color: var(--btn-text);
  background: var(--btn-bg);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 200ms ease, opacity 200ms ease, box-shadow 200ms ease;
  position: relative;
}

#submit-btn:hover {
  background: var(--btn-hover-bg);
  box-shadow: 0 0 20px var(--btn-hover-shadow);
}

#submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  box-shadow: none;
}

/* Button pulse animation on load */
#submit-btn {
  animation: btnPulse 3s ease-in-out 1.5s infinite;
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(201, 169, 62, 0);
  }
  50% {
    box-shadow: 0 0 20px var(--btn-pulse-shadow);
  }
}

/* ---- Consent checkbox ---- */
.consent-row {
  margin-top: 10px;
  text-align: left;
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 11px;
  font-weight: 400;
  color: var(--consent-color);
  line-height: 1.5;
  cursor: pointer;
}

.consent-label input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: #C9A93E;
  cursor: pointer;
}

.consent-label a {
  color: var(--consent-link);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 200ms ease;
}

.consent-label a:hover {
  color: var(--consent-link-hover);
}

/* ---- Success message ---- */
.success-message {
  font-size: 14px;
  font-weight: 400;
  color: var(--success-color);
  margin-top: 12px;
}

.hidden {
  display: none;
}

/* ---- Tag lines ---- */
.badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 8px;
  margin-bottom: 36px;
  max-width: 380px;
}

.badges li {
  font-size: 13px;
  font-weight: 500;
  color: var(--badge-color);
  background: transparent;
  padding: 0;
  border-radius: 0;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.badges li + li::before {
  content: "·";
  margin-right: 8px;
  color: var(--badge-sep);
  font-weight: 400;
}

/* ---- Divider ---- */
.divider {
  width: 100%;
  max-width: 240px;
  border: none;
  height: 1px;
  background: var(--divider);
  margin-bottom: 20px;
}

/* ---- Contact row ---- */
.contact {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  font-weight: 400;
  color: var(--contact-color);
}

.contact a {
  color: var(--contact-color);
  text-decoration: none;
  transition: color 200ms ease;
}

.contact a:hover {
  color: var(--contact-hover);
}

.contact-sep {
  color: var(--contact-sep);
  user-select: none;
}

/* ---- Tagline (footer note) ---- */
.footer-note {
  margin-top: 28px;
  font-size: 12px;
  font-weight: 400;
  color: var(--credit-color);
  text-align: center;
}

/* ---- Developer credit ---- */
.credit {
  margin-top: 32px;
  font-size: 11px;
  font-weight: 400;
  color: var(--credit-color);
}

/* ---- Responsive ---- */

/* Small mobile: stack form vertically */
@media (max-width: 400px) {
  .form-row {
    flex-direction: column;
  }

  .input-wrapper {
    width: 100%;
  }

  #submit-btn {
    width: 100%;
  }

  body {
    padding: 32px 20px;
  }

  h1 {
    font-size: 24px;
  }

  .countdown-number {
    font-size: 24px;
  }
}

/* Tablet and up */
@media (min-width: 768px) {
  body {
    padding: 56px 32px;
  }

  h1 {
    font-size: 32px;
  }

  .body-text {
    font-size: 15px;
  }

  .badges li {
    font-size: 14px;
  }

  .countdown-number {
    font-size: 32px;
  }
}