/* ============================================================
   HKDE Envirotech — Design Tokens & Component Styles
   ============================================================ */

/* --- Fonts --- */
@import url('https://api.fontshare.com/v2/css?f[]=general-sans@400,500,600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Noto+Sans+TC:wght@400;500;600;700&display=swap');

/* --- Type Scale --- */
:root {
  --font-display: 'General Sans', 'Noto Sans TC', sans-serif;
  --font-body: 'Inter', 'Noto Sans TC', sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* --- 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;
  --space-32: 8rem;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transition --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Content widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* =========================
   LIGHT MODE (default)
   ========================= */
:root, [data-theme="light"] {
  --color-bg:             #f5f7f8;
  --color-surface:        #ffffff;
  --color-surface-2:      #f0f4f5;
  --color-surface-offset: #e8eef0;
  --color-divider:        #d0d8dc;
  --color-border:         #c2cdd2;

  --color-text:           #1A2744;
  --color-text-muted:     #5a6b7a;
  --color-text-faint:     #94a3b0;
  --color-text-inverse:   #ffffff;

  /* Primary: Teal from logo */
  --color-primary:        #0B8B8B;
  --color-primary-hover:  #097272;
  --color-primary-active: #075d5d;
  --color-primary-light:  #e6f5f5;

  /* Secondary: Blue from logo */
  --color-secondary:      #1B6B8A;
  --color-secondary-hover:#155a74;
  --color-secondary-light:#e8f1f6;

  /* Navy for hero overlays */
  --color-navy:           #1A2744;
  --color-navy-light:     #243557;

  /* Accent: Amber for CTAs */
  --color-accent:         #E8920D;
  --color-accent-hover:   #d07f08;

  /* Status */
  --color-success:        #2e7d32;
  --color-error:          #c62828;

  --shadow-sm: 0 1px 3px rgba(26,39,68,0.06);
  --shadow-md: 0 4px 16px rgba(26,39,68,0.08);
  --shadow-lg: 0 12px 40px rgba(26,39,68,0.12);
}

/* =========================
   DARK MODE
   ========================= */
[data-theme="dark"] {
  --color-bg:             #0d1117;
  --color-surface:        #161b22;
  --color-surface-2:      #1c2129;
  --color-surface-offset: #21262d;
  --color-divider:        #30363d;
  --color-border:         #3b424a;

  --color-text:           #e6edf3;
  --color-text-muted:     #8b949e;
  --color-text-faint:     #6e7681;
  --color-text-inverse:   #0d1117;

  --color-primary:        #3dbfbf;
  --color-primary-hover:  #4dd4d4;
  --color-primary-active: #2a9e9e;
  --color-primary-light:  rgba(61,191,191,0.12);

  --color-secondary:      #58a6d4;
  --color-secondary-hover:#6fb8e4;
  --color-secondary-light:rgba(88,166,212,0.12);

  --color-navy:           #0d1117;
  --color-navy-light:     #161b22;

  --color-accent:         #f0a832;
  --color-accent-hover:   #f5bb55;

  --color-success:        #4caf50;
  --color-error:          #ef5350;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0d1117;
    --color-surface:        #161b22;
    --color-surface-2:      #1c2129;
    --color-surface-offset: #21262d;
    --color-divider:        #30363d;
    --color-border:         #3b424a;
    --color-text:           #e6edf3;
    --color-text-muted:     #8b949e;
    --color-text-faint:     #6e7681;
    --color-text-inverse:   #0d1117;
    --color-primary:        #3dbfbf;
    --color-primary-hover:  #4dd4d4;
    --color-primary-active: #2a9e9e;
    --color-primary-light:  rgba(61,191,191,0.12);
    --color-secondary:      #58a6d4;
    --color-secondary-hover:#6fb8e4;
    --color-secondary-light:rgba(88,166,212,0.12);
    --color-navy:           #0d1117;
    --color-navy-light:     #161b22;
    --color-accent:         #f0a832;
    --color-accent-hover:   #f5bb55;
    --color-success:        #4caf50;
    --color-error:          #ef5350;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  }
}

/* ============================================================
   GLOBAL COMPONENTS
   ============================================================ */

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

/* --- Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

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

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  line-height: 1.2;
  color: var(--color-text);
}

.nav-logo-text small {
  display: block;
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s ease;
  border-radius: 1px;
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-lg);
    gap: var(--space-1);
  }

  .nav-links.open a {
    padding: var(--space-3) var(--space-4);
    width: 100%;
  }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,39,68,0.88) 0%, rgba(11,139,139,0.72) 100%);
  z-index: 1;
}

/* Curved arc separator (Xylem-inspired) */
.hero-arc {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  z-index: 2;
}

.hero-arc svg {
  display: block;
  width: 100%;
  height: auto;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
  color: #ffffff;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  max-width: 16ch;
}

.hero-content .hero-subtitle {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  opacity: 0.9;
  margin-bottom: var(--space-3);
}

.hero-content .hero-desc {
  font-size: var(--text-base);
  opacity: 0.8;
  margin-bottom: var(--space-8);
  max-width: 56ch;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: 2px solid transparent;
  white-space: nowrap;
}

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

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

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-teal {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

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

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

/* --- Section Layout --- */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.section-alt {
  background: var(--color-surface-2);
}

.section-dark {
  background: var(--color-navy);
  color: #ffffff;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.section-dark .section-header h2 {
  color: #ffffff;
}

.section-header .section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 auto;
}

.section-dark .section-header .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}

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

.trust-item {
  text-align: center;
  padding: var(--space-4);
}

.trust-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.trust-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .trust-bar .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Cards --- */
.card-grid {
  display: grid;
  gap: var(--space-6);
}

.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 968px) {
  .card-grid-3, .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .card-grid-3, .card-grid-2, .card-grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-interactive);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: var(--space-4);
  transition: gap var(--transition-interactive);
}

.card-link:hover {
  gap: var(--space-3);
}

/* --- Page Hero (Interior Pages) --- */
.page-hero {
  position: relative;
  padding: clamp(var(--space-16), 10vw, var(--space-24)) 0;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,39,68,0.85) 0%, rgba(27,107,138,0.7) 100%);
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-bg);
  clip-path: ellipse(60% 100% at 50% 100%);
  z-index: 3;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.page-hero p {
  font-size: var(--text-base);
  opacity: 0.85;
  max-width: 56ch;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-primary) 100%);
  color: #fff;
  text-align: center;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-6);
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.cta-banner p {
  font-size: var(--text-base);
  opacity: 0.85;
  margin: 0 auto var(--space-6);
  max-width: 56ch;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.8);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand img {
  height: 48px;
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  opacity: 0.7;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  opacity: 0.6;
}

.footer-bottom a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Tables (product specs) --- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  margin: var(--space-4) 0;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
  .spec-table {
    display: table;
    overflow-x: visible;
  }
}

.spec-table th,
.spec-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}

.spec-table th {
  background: var(--color-surface-2);
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-table td {
  color: var(--color-text-muted);
}

.spec-table tr:hover td {
  background: var(--color-primary-light);
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 10px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-year {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- Tag / Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: var(--space-5);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Misc --- */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.divider {
  border: none;
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-8) 0;
}

/* Product filter tabs */
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
  justify-content: center;
}

.filter-tab {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Solution detail card */
.solution-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-divider);
}

.solution-card:last-child {
  border-bottom: none;
}

@media (max-width: 768px) {
  .solution-card {
    grid-template-columns: 1fr;
  }
}

.solution-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-2);
}

[data-theme="dark"] .solution-number {
  color: rgba(61,191,191,0.2);
}

/* Partner card */
.partner-profile {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 768px) {
  .partner-profile {
    grid-template-columns: 1fr;
  }
}

/* Contact info list */
.contact-info {
  list-style: none;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-info li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

/* Service pillar card */
.pillar-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: all var(--transition-interactive);
}

.pillar-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.pillar-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  min-width: 48px;
  line-height: 1;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  padding: var(--space-8) 0;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Quick entry cards on homepage */
.entry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .entry-cards {
    grid-template-columns: 1fr;
  }
}

.entry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all var(--transition-interactive);
  text-decoration: none;
  color: inherit;
  display: block;
}

.entry-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.entry-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  color: #fff;
}

.entry-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.entry-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 auto;
}