/* ==========================================================================
   Cancer and Hope — Shared Stylesheet
   Stack: Plain HTML/CSS + Google Fonts
   Design: Warm, hopeful, accessible — for Filipino cancer patients & families
   ========================================================================== */

/* --------------------------------------------------------------------------
   Google Fonts Import
   -------------------------------------------------------------------------- */
@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Nunito:wght@300;400;500;600;700&family=DM+Sans:wght@300;400;500;600;700&family=Bebas+Neue&display=swap");

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-primary: #1b4f72;
  /* Deep trustworthy blue */
  --color-primary-mid: #2471a3;
  /* Medium blue */
  --color-primary-light: #aed6f1;
  /* Soft blue tint */
  --color-secondary: #1a8068;
  /* Healing teal-green */
  --color-secondary-light: #a9dfbf;
  /* Soft sage */
  --color-accent: #d4ac0d;
  /* Warm gold — hope */
  --color-accent-warm: #ca6f1e;
  /* Warm CTA orange */
  --color-cancer: #967bb6;
  /* Lavender representing all cancers */

  /* Backgrounds */
  --color-bg: #fafaf8;
  /* Warm white base */
  --color-bg-alt: #f0f5f9;
  /* Cool light section */
  --color-bg-warm: #fdf7ef;
  /* Warm cream section */
  --color-bg-dark: #17202a;
  /* Footer dark */
  --color-white: #ffffff;

  /* Text */
  --color-text: #1c2833;
  /* Near-black body text */
  --color-text-mid: #566573;
  /* Secondary text */
  --color-text-light: #8e9ba8;
  /* Muted text */
  --color-text-inv: #fdfefe;
  /* Text on dark bg */

  /* Borders & Dividers */
  --color-border: #d5e8d4;
  /* Soft green border */
  --color-border-blue: #d6eaf8;
  /* Soft blue border */

  /* Typography */
  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "DM Sans", "Nunito", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Bebas Neue", "Impact", sans-serif;
  --font-nav: "Nunito", "DM Sans", "Helvetica Neue", Arial, sans-serif;

  /* Type Scale */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-md: 1.125rem;
  /* 18px */
  --text-lg: 1.25rem;
  /* 20px */
  --text-xl: 1.5rem;
  /* 24px */
  --text-2xl: 1.875rem;
  /* 30px */
  --text-3xl: 2.25rem;
  /* 36px */
  --text-4xl: 3rem;
  /* 48px */
  --text-5xl: 3.75rem;
  /* 60px */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1180px;
  --container-text: 760px;
  --radius-sm: 0.375rem;
  --radius: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 16px rgba(27, 79, 114, 0.1);
  --shadow-md: 0 8px 28px rgba(27, 79, 114, 0.14);
  --shadow-lg: 0 16px 48px rgba(27, 79, 114, 0.18);

  /* Transitions */
  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* --------------------------------------------------------------------------
   Home Hero
   -------------------------------------------------------------------------- */
.home-hero {
  background:
    linear-gradient(135deg,
      rgba(13, 33, 55, 0.88) 0%,
      rgba(27, 79, 114, 0.82) 45%,
      rgba(26, 128, 104, 0.78) 100%),
    url("../images/hero-background.webp") center / cover no-repeat;
  color: white;
  padding-block: 5rem;
  position: relative;
  overflow: hidden;
}

.home-hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    radial-gradient(circle at 25% 25%, white 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, white 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.home-hero__heading {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  color: white;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

.home-hero__accent {
  color: var(--color-accent);
  font-style: italic;
}

.home-hero__desc {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 2.5rem;
  max-width: 560px;
  line-height: 1.75;
}

.home-hero__free-note {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary-mid);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-secondary);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--text {
  max-width: var(--container-text);
}

.section {
  padding-block: var(--space-20);
}

.section--sm {
  padding-block: var(--space-12);
}

.section--lg {
  padding-block: var(--space-24);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--warm {
  background-color: var(--color-bg-warm);
}

.section--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inv);
}

.section--primary h2,
.section--primary h3 {
  color: var(--color-white);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

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

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

.text-center {
  text-align: center;
}

.text-sm {
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
}

.color-cancer {
  color: var(--color-cancer);
}

.section-heading {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.section-subheading {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.page-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-mid);
  line-height: 1.8;
}

.tagalog-note {
  font-style: italic;
  color: var(--color-text-mid);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn--primary:hover {
  background-color: #16705a;
  border-color: #16705a;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: #b7950b;
  border-color: #b7950b;
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-md);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-blue);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-6);
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.nav-logo__tagline {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav-links a {
  padding: 0.4rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
}

.nav-links a.active {
  color: var(--color-secondary);
}

/* Nav CTA */
.nav-cta {
  flex-shrink: 0;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-primary);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: all var(--transition);
  border-radius: 2px;
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-top: 1px solid var(--color-border-blue);
  padding: var(--space-4) var(--space-6);
  gap: var(--space-1);
}

.nav-mobile a {
  display: block;
  padding: 0.6rem 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
}

.nav-mobile a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.nav-mobile .btn {
  margin-top: var(--space-3);
  width: 100%;
  justify-content: center;
}

.nav-mobile.open {
  display: flex;
}

/* --------------------------------------------------------------------------
   Page Hero (inner pages)
   -------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(135deg,
      var(--color-primary) 0%,
      #154360 60%,
      var(--color-secondary) 100%);
  color: var(--color-white);
  padding-block: var(--space-16);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.page-hero .container {
  position: relative;
}

.page-hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-secondary-light);
  margin-bottom: var(--space-3);
}

.page-hero h1 {
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-8);
  border: 1px solid var(--color-border-blue);
  transition:
    box-shadow var(--transition),
    transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: linear-gradient(135deg,
      var(--color-primary-light),
      var(--color-secondary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.5rem;
}

.card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card p {
  color: var(--color-text-mid);
}

/* Cancer Type Card */
.cancer-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-blue);
  padding: var(--space-6);
  text-decoration: none;
  display: block;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.cancer-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.cancer-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
}

.cancer-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.cancer-card p {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Announcement Cards
   -------------------------------------------------------------------------- */
.announcement-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-blue);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.announcement-card__header {
  background: linear-gradient(135deg,
      var(--color-primary),
      var(--color-secondary));
  color: var(--color-white);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.announcement-card__date {
  text-align: center;
  flex-shrink: 0;
}

.announcement-card__date .day {
  font-family: var(--font-heading);
  font-size: calc(var(--text-3xl) * 1.25);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.announcement-card__date .month {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.85;
}

.announcement-card__info {
  flex: 1;
  text-align: center;
}

.announcement-card__info h3 {
  font-size: 1.6rem;
  color: var(--color-white);
  margin-bottom: 0;
}

.announcement-card__info p {
  font-size: var(--text-sm);
  opacity: 0.85;
  margin-bottom: 0;
}

.announcement-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.announcement-card__body p {
  color: var(--color-text-mid);
}

.announcement-card__details {
  margin-top: auto;
  padding-top: var(--space-5);
}

.announcement-card__details p {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.announcement-card__details strong {
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.announcement-card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
}

.status-badge--open {
  background: rgba(26, 128, 104, 0.15);
  color: var(--color-secondary);
}

.status-badge--upcoming {
  background: rgba(212, 172, 13, 0.15);
  color: var(--color-accent);
}

.status-badge--closed,
.status-badge--full {
  background: rgba(231, 76, 60, 0.15);
  /* red-ish (#E74C3C) */
  color: #c0392b;
  /* deeper red for text contrast */
}

/* --------------------------------------------------------------------------
   Tour Carousel & Buttons
   -------------------------------------------------------------------------- */
.carousel-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: 3rem;
}

.carousel-btn {
  position: absolute;
  top: calc(50% - 1.5rem);
  /* offset for padding bottom */
  transform: translateY(-50%);
  background: white;
  border: 1px solid var(--color-border-blue);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  color: var(--color-primary);
  transition: all 0.2s ease;
}

.carousel-btn:hover {
  background: var(--color-primary);
  color: white;
}

.carousel-btn--prev {
  left: -24px;
}

.carousel-btn--next {
  right: -24px;
}

@media (max-width: 1024px) {
  .carousel-btn--prev {
    left: -10px;
  }

  .carousel-btn--next {
    right: -10px;
  }
}

.tour-carousel {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  padding-bottom: var(--space-6);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.tour-carousel::-webkit-scrollbar {
  height: 8px;
}

.tour-carousel::-webkit-scrollbar-track {
  background: var(--color-bg-warm);
  border-radius: 4px;
}

.tour-carousel::-webkit-scrollbar-thumb {
  background: var(--color-secondary-light);
  border-radius: 4px;
}

.tour-carousel>.announcement-card,
.tour-carousel>.cancer-card {
  flex: 0 0 calc((100% - (var(--space-6) * 2)) / 3);
  max-width: none;
  min-width: 0;
  scroll-snap-align: start;
}

#doctor-carousel>.announcement-card,
#doctor-carousel>.cancer-card {
  flex: 0 0 calc((100% - var(--space-6)) / 2);
}

@media (max-width: 1024px) {

  .tour-carousel>.announcement-card,
  .tour-carousel>.cancer-card {
    flex: 0 0 calc((100% - var(--space-6)) / 2);
  }
}

@media (max-width: 768px) {

  .tour-carousel>.announcement-card,
  .tour-carousel>.cancer-card {
    flex: 0 0 calc(100% - 2rem);
  }
}

/* --------------------------------------------------------------------------
   Steps / Process
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 28px;
  left: calc(33.33% - 28px);
  right: calc(33.33% - 28px);
  height: 2px;
  background: linear-gradient(to right,
      var(--color-secondary-light),
      var(--color-secondary-light));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  box-shadow: 0 4px 16px rgba(26, 128, 104, 0.3);
}

.step h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.step p {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Testimonials
   -------------------------------------------------------------------------- */
.testimonial {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.testimonial__quote {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  line-height: 1.6;
}

.testimonial__quote::before {
  content: "\201C";
}

.testimonial__quote::after {
  content: "\201D";
}

.testimonial__author {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.testimonial__meta {
  font-size: var(--text-xs);
  color: var(--color-text-mid);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-section {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-10);
  border: 1px solid var(--color-border-blue);
}

.form-section__title {
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border-blue);
}

/* Required fields legend */
.form-required-legend {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  margin-bottom: var(--space-6);
  padding: 0.5rem 0.75rem;
  background: #fff8f8;
  border: 1px solid #fddede;
  border-radius: var(--radius);
}

.form-required-legend .req-star {
  color: #c0392b;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

/* Red asterisk on required labels */
.form-group label .req-star {
  color: #c0392b;
  font-weight: 700;
  margin-left: 0.2rem;
  font-size: 1rem;
  line-height: 1;
  vertical-align: middle;
}

.form-group .label-note {
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-mid);
}

/* Optional tag */
.form-group label .optional-tag {
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-left: 0.3rem;
  font-style: italic;
}

.form-control {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid #cbd5e0;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-white);
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(26, 128, 104, 0.12);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

/* Required field: subtle left-border highlight before interaction */
.form-control[required],
.form-control.is-required {
  border-left: 3px solid #e8a0a0;
  padding-left: calc(1rem - 1.5px);
  /* compensate for extra border width */
}

/* Valid state — after user has filled in a required field correctly */
.form-control[required]:not(:placeholder-shown):valid,
.form-control.is-required.is-valid {
  border-color: #27ae60;
  border-left-color: #27ae60;
  background-color: #f6fffa;
  box-shadow: none;
}

.form-control[required]:not(:placeholder-shown):valid:focus,
.form-control.is-required.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.15);
}

/* Invalid state — only shown after the field has been touched/submitted */
.form-control.is-invalid,
.was-validated .form-control[required]:invalid {
  border-color: #e74c3c !important;
  border-left-color: #e74c3c !important;
  background-color: #fff5f5;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

/* Inline field error message */
.form-field-error {
  display: none;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.35rem;
  font-size: var(--text-xs);
  color: #c0392b;
  font-weight: 500;
}

.form-field-error::before {
  content: "⚠";
  font-size: 0.75rem;
}

.form-field-error.visible {
  display: flex;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23566573' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* Required selects: valid state when a real option is chosen */
select.form-control[required]:valid:not([value=""]) {
  border-color: #27ae60;
  border-left-color: #27ae60;
  background-color: #f6fffa;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-mid);
  margin-top: var(--space-1);
}

.form-privacy {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  margin-bottom: var(--space-6);
  border-left: 3px solid var(--color-secondary-light);
}

/* Checkboxes and Radios */
.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-base);
  font-weight: 400;
}

.checkbox-label input,
.radio-label input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 0;
  accent-color: var(--color-secondary);
}

/* Required checkbox group highlight */
.checkbox-group--required,
.radio-group--required {
  padding: 0.75rem 1rem;
  border: 1.5px solid #e8a0a0;
  border-left: 3px solid #e8a0a0;
  border-radius: var(--radius);
  background: #fffafa;
  transition:
    border-color var(--transition),
    background var(--transition);
}

.checkbox-group--required.is-valid,
.radio-group--required.is-valid {
  border-color: #27ae60;
  border-left-color: #27ae60;
  background: #f6fffa;
}

.checkbox-group--required.is-invalid,
.radio-group--required.is-invalid {
  border-color: #e74c3c;
  border-left-color: #e74c3c;
  background: #fff5f5;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

/* --------------------------------------------------------------------------
   FAQ / Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-border-blue);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-white);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--color-bg-alt);
}

.faq-question[aria-expanded="true"] {
  background: var(--color-bg-alt);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-secondary);
  transition: transform var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-text-mid);
  line-height: 1.8;
}

.faq-answer.open {
  display: block;
}

/* --------------------------------------------------------------------------
   Article / Content Pages
   -------------------------------------------------------------------------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-10);
  align-items: start;
}

.article-body h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-blue);
}

.article-body h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.article-body h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--color-secondary);
}

.article-body p {
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.article-body ul,
.article-body ol {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

.article-body ul li,
.article-body ol li {
  margin-bottom: var(--space-2);
}

.article-sidebar {
  position: sticky;
  top: 90px;
}

.sidebar-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border-blue);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-5);
}

.sidebar-card h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.sidebar-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-card ul li a {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-card ul li a::before {
  content: "→";
  color: var(--color-secondary);
}

.sidebar-card ul li a:hover {
  color: var(--color-secondary);
}

.toc {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toc a {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  display: block;
  padding: 0.25rem 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
  transition: all var(--transition);
}

.toc a:hover {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* Info box */
.info-box {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary-mid);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-5) var(--space-6);
  margin-block: var(--space-6);
}

.info-box--green {
  background: #eafaf1;
  border-color: var(--color-secondary);
}

.info-box--yellow {
  background: #fef9e7;
  border-color: var(--color-accent);
}

.info-box p {
  margin-bottom: 0;
}

.info-box p+p {
  margin-top: var(--space-2);
}

/* --------------------------------------------------------------------------
   Trust Bar
   -------------------------------------------------------------------------- */
.trust-bar {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-blue);
  border-bottom: 1px solid var(--color-border-blue);
  padding-block: var(--space-5);
}

.trust-bar__items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-mid);
  font-size: var(--text-sm);
  font-weight: 600;
}

.trust-item__icon {
  font-size: 1.5rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand__logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.footer-brand__tagline {
  font-size: var(--text-sm);
  color: var(--color-secondary-light);
  font-style: italic;
  margin-bottom: var(--space-5);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col ul li a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-secondary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-xs);
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.45);
}

.footer-disclaimer {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.6;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  margin-bottom: var(--space-8);
}

.breadcrumb a {
  color: var(--color-text-mid);
}

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

.breadcrumb__sep {
  color: var(--color-text-light);
}

.breadcrumb__current {
  color: var(--color-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Alert / Notice Banners
   -------------------------------------------------------------------------- */
.notice-banner {
  background: linear-gradient(135deg, #ebf5fb, #d6eaf8);
  border: 1px solid var(--color-primary-light);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.notice-banner__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.notice-banner__content h4 {
  font-size: var(--text-base);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.notice-banner__content p {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Stats
   -------------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

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

.stat-item__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-item__label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .stat-item:nth-child(even) {
    border-right: none;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --text-4xl: 2.25rem;
    --text-3xl: 1.875rem;
  }

  .container {
    padding-inline: var(--space-4);
  }

  .section {
    padding-block: var(--space-12);
  }

  .section--lg {
    padding-block: var(--space-16);
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .carousel-btn {
    display: flex;
    width: 36px;
    height: 36px;
    top: 50%;
  }

  .carousel-btn svg {
    width: 18px;
    height: 18px;
  }

  .carousel-btn--prev {
    left: 4px;
  }

  .carousel-btn--next {
    right: 4px;
  }

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

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .steps::before {
    display: none;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .trust-bar__items {
    gap: var(--space-5);
  }

  .page-hero {
    padding-block: var(--space-12);
  }

  .page-hero h1 {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .announcement-card__header {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {

  .site-nav,
  .site-footer,
  .btn,
  .nav-toggle {
    display: none !important;
  }

  .page-hero {
    background: none !important;
    color: var(--color-text) !important;
  }

  .page-hero h1 {
    color: var(--color-primary) !important;
  }

  body {
    font-size: 12pt;
  }
}