/* ============================================
   LUMINA CLIPPERS — Marketing Audit Tool
   Premium Dark Theme with Gold Accents
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---- Custom Properties ---- */
:root {
  /* Colors */
  --color-bg:          #0A0A0A;
  --color-surface-1:   #111111;
  --color-surface-2:   #181818;
  --color-border:      #2A2A2A;
  --color-gold:        #C9A84C;
  --color-gold-hover:  #D4B86A;
  --color-gold-dim:    rgba(201, 168, 76, 0.15);
  --color-text:        #E8E8E8;
  --color-muted:       #888888;
  --color-faint:       #555555;
  --color-success:     #27AE60;
  --color-error:       #E74C3C;
  --color-error-bg:    rgba(231, 76, 60, 0.12);

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Type scale */
  --text-xs:   clamp(11px, 1.8vw, 12px);
  --text-sm:   clamp(13px, 2vw, 14px);
  --text-base: clamp(14px, 2.2vw, 16px);
  --text-lg:   clamp(18px, 3vw, 22px);
  --text-xl:   clamp(22px, 4vw, 28px);
  --text-2xl:  clamp(28px, 5vw, 36px);

  /* Spacing (4px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* UI */
  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     14px;
  --input-height:  48px;
  --btn-height:    48px;
  --max-width:     640px;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- App Container ---- */
.app {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ---- Skip nav for accessibility ---- */
.skip-nav {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  z-index: 999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-gold);
  color: #0A0A0A;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: var(--text-sm);
}
.skip-nav:focus {
  left: var(--space-4);
}

/* ---- Header ---- */
.site-header {
  padding: var(--space-6) 0 var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.logo-mark {
  flex-shrink: 0;
  display: block;
}

.logo-img {
  height: 40px;
  width: auto;
  border-radius: 6px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text);
}

.logo-sub {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  text-transform: uppercase;
}

/* ---- Main Content ---- */
main {
  flex: 1;
  padding-bottom: var(--space-12);
}

/* ---- Hero Heading ---- */
.page-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.page-title .accent {
  color: var(--color-gold);
}

.subheadline {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: var(--space-8);
  max-width: 58ch;
}

/* ---- Form ---- */
#audit-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-section {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hint {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--color-muted);
}

/* ---- Form Fields ---- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  display: block;
}

label .optional-badge {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-faint);
  margin-left: var(--space-1);
}

input[type="text"],
input[type="email"],
input[type="url"],
select {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  outline: none;
  transition: border-color 180ms var(--ease-out),
              box-shadow 180ms var(--ease-out),
              background 180ms var(--ease-out);
  appearance: none;
  -webkit-appearance: none;
}

input::placeholder,
select option[value=""] {
  color: var(--color-faint);
}

input:focus,
select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-dim);
  background: #1C1C1C;
}

input:hover:not(:focus),
select:hover:not(:focus) {
  border-color: var(--color-faint);
}

/* Select dropdown */
.select-wrapper {
  position: relative;
}

.select-wrapper select {
  padding-right: var(--space-10);
  cursor: pointer;
  color: var(--color-text);
}

.select-wrapper select option {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Custom chevron */
.select-wrapper::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 6px;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  background: var(--color-muted);
  pointer-events: none;
  transition: background 180ms var(--ease-out);
}

.select-wrapper:focus-within::after {
  background: var(--color-gold);
}

/* ---- Submit Button ---- */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  height: var(--btn-height);
  padding: 0 var(--space-6);
  background: var(--color-gold);
  color: #0A0A0A;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background 180ms var(--ease-out),
              transform 120ms var(--ease-out),
              box-shadow 180ms var(--ease-out);
  position: relative;
  overflow: hidden;
  margin-top: var(--space-2);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-gold-hover);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

.btn-primary:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

/* Loading state */
.btn-primary.loading .btn-text {
  opacity: 0;
}

.btn-primary.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(10, 10, 10, 0.3);
  border-top-color: #0A0A0A;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* Button icon */
.btn-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

/* ---- Trust Signals ---- */
.trust-signals {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-5);
  padding-top: var(--space-4);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-weight: 500;
}

.trust-check {
  color: var(--color-success);
  font-size: 13px;
  font-weight: 700;
}

/* ---- Error Message ---- */
.error-msg {
  background: var(--color-error-bg);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-error);
  font-weight: 500;
  margin-top: var(--space-2);
  display: none;
}

/* ---- Confirm Screen ---- */
.confirm-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-12) 0 var(--space-16);
  gap: var(--space-5);
}

.confirm-icon {
  font-size: 64px;
  line-height: 1;
  margin-bottom: var(--space-2);
  filter: drop-shadow(0 4px 16px rgba(201, 168, 76, 0.3));
}

.confirm-screen h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.confirm-screen .confirm-body {
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 48ch;
}

.confirm-screen .confirm-body strong {
  color: var(--color-gold);
  font-weight: 600;
}

.confirm-screen .tip {
  font-size: var(--text-sm);
  color: var(--color-faint);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
}

.confirm-screen .btn-primary {
  max-width: 360px;
  margin-top: var(--space-3);
  height: 52px;
  font-size: var(--text-base);
}

.btn-calendly {
  background: transparent !important;
  border: 1.5px solid var(--color-gold) !important;
  color: var(--color-gold) !important;
}

.btn-calendly:hover:not(:disabled) {
  background: var(--color-gold-dim) !important;
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.15) !important;
  transform: translateY(-1px) !important;
}

/* ---- Divider ---- */
.confirm-divider {
  width: 48px;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) 0;
}

/* ---- Footer ---- */
.site-footer {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  font-size: var(--text-xs);
  color: var(--color-faint);
}

.site-footer a {
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 180ms var(--ease-out);
}

.site-footer a:hover {
  color: var(--color-gold);
}

/* ---- Mobile Responsiveness ---- */
@media (max-width: 480px) {
  .app {
    padding: 0 var(--space-4);
  }

  .site-header {
    padding: var(--space-5) 0 var(--space-6);
  }

  .form-section {
    padding: var(--space-5);
    gap: var(--space-3);
  }

  .trust-signals {
    gap: var(--space-4);
  }

  .confirm-screen {
    padding: var(--space-8) 0 var(--space-10);
  }

  .confirm-icon {
    font-size: 52px;
  }
}

@media (max-width: 375px) {
  .trust-signals {
    flex-direction: column;
    gap: var(--space-2);
  }
}