/*
 * File: assets/css/premium-public.css
 * Purpose: Public pages design system
 * Dependencies: templates/header.php
 */

:root {
  --nvp-text: #3d3d3d;
  --nvp-accent: #c9a962;
  --nvp-accent-hover: #b8954f;
  --nvp-bg: #ffffff;
  --nvp-bg-off: #fdfcfa;
  --nvp-bg-subtle: #fafaf8;
  --nvp-border: #f0ebe3;
  --nvp-shadow: rgba(0, 0, 0, 0.06);
  --nvp-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nvp-radius: 4px;
  --nvp-container: 1160px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: radial-gradient(circle at 20% 10%, #ffffff 0%, var(--nvp-bg-subtle) 55%, #f7f3ed 100%);
  color: var(--nvp-text);
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  line-height: 1.45;
  overflow-x: hidden;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

.premium-container {
  width: min(var(--nvp-container), calc(100% - 48px));
  margin: 0 auto;
}

.premium-section {
  padding: 56px 0;
}

.premium-section--tight {
  padding: 36px 0;
}

.premium-heading-xl,
.premium-heading-lg,
.premium-heading-md,
.premium-logo {
  margin: 0;
  font-family: 'Italiana', serif;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #252525;
}

.premium-heading-xl {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.08;
}

.premium-heading-lg {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
}

.premium-heading-md {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
}

.premium-logo-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.premium-logo-image {
  display: block;
  width: auto;
  height: 90px;
  max-height: 96px;
  object-fit: contain;
}

.premium-muted {
  color: #686259;
}

.premium-card {
  background: var(--nvp-bg);
  border: 1px solid var(--nvp-border);
  border-radius: var(--nvp-radius);
  box-shadow: 0 2px 12px var(--nvp-shadow);
  padding: 32px;
}

.premium-grid {
  display: grid;
  gap: 24px;
}

.premium-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.premium-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.premium-button,
.premium-button--secondary {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  white-space: nowrap;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--nvp-transition), color var(--nvp-transition), border-color var(--nvp-transition);
}

.premium-button {
  background: var(--nvp-accent);
  color: #fff;
  border: none;
  border-radius: 3px;
  padding: 12px 28px;
}

.premium-button:hover,
.premium-button:focus-visible {
  background: var(--nvp-accent-hover);
}

.premium-button--secondary {
  background: transparent;
  color: var(--nvp-accent);
  border: 1px solid var(--nvp-accent);
  border-radius: 3px;
  padding: 11px 27px;
}

.premium-button--secondary:hover,
.premium-button--secondary:focus-visible {
  background: var(--nvp-accent);
  color: #fff;
}

.premium-link {
  position: relative;
  text-decoration: none;
  color: var(--nvp-accent);
}

.premium-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--nvp-accent);
  transition: width var(--nvp-transition);
}

.premium-link:hover::after,
.premium-link:focus-visible::after {
  width: 100%;
}

.premium-label {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
  font-weight: 500;
}

.premium-input,
.premium-select,
.premium-textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--nvp-border);
  border-radius: 3px;
  background: #fff;
  color: var(--nvp-text);
  padding: 10px 12px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  transition: border-color var(--nvp-transition), box-shadow var(--nvp-transition);
}

.premium-textarea {
  min-height: 130px;
  resize: vertical;
}

.premium-input:focus,
.premium-select:focus,
.premium-textarea:focus {
  outline: none;
  border-color: var(--nvp-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
}

.premium-alert {
  border: 1px solid var(--nvp-border);
  border-left: 3px solid var(--nvp-accent);
  background: #fff;
  border-radius: 3px;
  padding: 14px 16px;
}

.premium-alert--error {
  border-left-color: #a93f3f;
  background: #fff8f8;
}

.premium-alert--success {
  border-left-color: #4a8652;
  background: #f8fff9;
}

.premium-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f9f4e9;
  color: #7c622d;
  font-size: 0.88rem;
  border: 1px solid #efe3c9;
}

.premium-badge--muted {
  background: #f7f4ef;
  color: #7e776c;
  border-color: var(--nvp-border);
}

.premium-registration-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 6px;
}

.premium-field-block {
  display: grid;
  gap: 6px;
}

.premium-validation-message {
  min-height: 24px;
  margin: 0;
  font-size: 0.95rem;
}

.premium-validation-message.is-valid {
  color: #2f7a42;
}

.premium-validation-message.is-invalid {
  color: #a33d3d;
}

.premium-input.is-valid,
.premium-select.is-valid,
.premium-textarea.is-valid {
  border-color: #8dc29b;
}

.premium-input.is-invalid,
.premium-select.is-invalid,
.premium-textarea.is-invalid {
  border-color: #d59a9a;
}

.premium-registration-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.premium-registration-actions--between {
  justify-content: space-between;
}

.premium-button:disabled,
.premium-button[aria-disabled='true'] {
  cursor: not-allowed;
  background: #d8d0c4;
  color: #fff;
}

.premium-button:disabled:hover,
.premium-button[aria-disabled='true']:hover {
  background: #d8d0c4;
}

.premium-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--nvp-border);
  border-radius: 4px;
  background: #fff;
}

.premium-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.premium-table th,
.premium-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--nvp-border);
}

.premium-table th {
  font-family: 'Italiana', serif;
  letter-spacing: 0.04em;
  font-size: 1rem;
  font-weight: 400;
  background: #fcfaf5;
}

.premium-public-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--nvp-border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
}

.premium-public-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
}

.premium-nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.premium-nav-links .premium-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.premium-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}

.premium-hero__panel {
  position: relative;
}

.premium-hero__panel::before {
  content: '';
  position: absolute;
  inset: -16px -20px;
  border: 1px solid var(--nvp-border);
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.08), rgba(255, 255, 255, 0.4));
  z-index: -1;
}

.premium-list {
  margin: 0;
  padding-left: 22px;
}

.premium-list li {
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  body {
    font-size: 19px;
  }

  .premium-container {
    width: min(var(--nvp-container), calc(100% - 24px));
  }

  .premium-section {
    padding: 34px 0;
  }

  .premium-grid--2,
  .premium-grid--3,
  .premium-hero {
    grid-template-columns: 1fr;
  }

  .premium-public-nav__inner {
    min-height: 64px;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0;
  }

  .premium-nav-links {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    justify-content: stretch;
    overflow: visible;
    padding-bottom: 0;
  }

  .premium-logo-image {
    height: 72px;
    max-height: 76px;
  }

  .premium-card {
    padding: 22px;
  }

  .premium-registration-actions,
  .premium-registration-actions--between {
    flex-direction: column;
    align-items: stretch;
  }

  .premium-button,
  .premium-button--secondary {
    width: 100%;
  }
}

/* Append-only mobile overrides */
:root {
  --nvp-accent: #c9a962;
  --nvp-sidebar-bg: #1c1712;
}

@media (max-width: 768px) {
  .premium-public-nav__inner {
    gap: 10px;
  }

  .premium-logo,
  .premium-heading-xl,
  .premium-heading-lg,
  .premium-heading-md {
    font-family: 'Italiana', serif;
  }

  .premium-nav-links .premium-link {
    min-height: 44px;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid var(--nvp-border);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.82);
  }

  .premium-hero {
    align-items: start;
  }
}