/* TradesThrive — Styles
 * Professional, mobile-first, accessible
 * Color Scheme: Professional blue (#1e40af) + charcoal (#1f2937) + white + accent green (#16a34a)
 * Typography: Inter (system font stack)
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-accent: #16a34a;
  --color-accent-dark: #15803d;
  --color-accent-light: #22c55e;
  --color-charcoal: #1f2937;
  --color-charcoal-light: #374151;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-white: #ffffff;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;
  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;

  /* Spacing Scale */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */

  /* Typography */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 2rem;      /* 32px */
  --font-size-4xl: 2.5rem;    /* 40px */
  --font-size-5xl: 3rem;      /* 48px */

  --line-height-tight: 1.1;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Container */
  --container-max: 72rem; /* 1152px */
  --container-padding: 1.5rem;

  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-charcoal);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: var(--z-toast);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-md);
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-charcoal);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
  h2 { font-size: var(--font-size-4xl); }
  h3 { font-size: var(--font-size-3xl); }
}

p {
  margin-bottom: var(--space-md);
  line-height: var(--line-height-relaxed);
}

ul, ol {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-lg);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--color-gray-600);
}

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

/* ==========================================================================
   Layout Utilities
   ========================================================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
}

.section--sm {
  padding: var(--space-xl) 0;
}

.section--lg {
  padding: var(--space-3xl) 0;
}

@media (min-width: 768px) {
  .section--lg {
    padding: 4rem 0;
  }
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

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

@media (min-width: 768px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

@media (min-width: 768px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flex Utilities */
.flex {
  display: flex;
}

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

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

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

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

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

.btn--secondary:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  color: var(--color-primary-dark);
}

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

.btn--accent:hover:not(:disabled) {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

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

.btn--outline:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-gray-700);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  color: var(--color-charcoal);
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-lg);
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-label .required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  line-height: 1.5;
  color: var(--color-charcoal);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-gray-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(30 64 175 / 0.15);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-input:invalid:not(:placeholder-shown),
.form-select:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: var(--color-error);
}

.form-error {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-hint {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-checkbox label,
.form-radio label {
  font-size: var(--font-size-base);
  color: var(--color-charcoal);
  cursor: pointer;
}

.fieldset {
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.fieldset legend {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-charcoal);
  padding: 0 var(--space-sm);
}

.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .radio-group--inline,
  .checkbox-group--inline {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-lg);
  }
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
}

.card--bordered {
  border: 2px solid var(--color-gray-200);
}

.card--bordered:hover {
  border-color: var(--color-primary);
}

.card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
}

.card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card__list li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-gray-600);
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

@media (min-width: 768px) {
  .hero {
    padding: 5rem 0;
  }
}

.hero__content {
  max-width: 48rem;
}

.hero__tagline {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.hero__headline {
  margin-bottom: var(--space-lg);
}

.hero__subhead {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--space-xl);
  line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
  .hero__subhead {
    font-size: var(--font-size-xl);
  }
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero__trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.hero__trust-item::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header__logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-charcoal);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

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

.header__logo-icon {
  width: 2rem;
  height: 2rem;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.nav {
  display: none;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover::after {
  width: 100%;
}

.header__cta {
  display: none;
}

@media (min-width: 768px) {
  .header__cta {
    display: inline-flex;
  }
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-charcoal);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
}

.mobile-menu--open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link:focus {
  background: var(--color-gray-100);
  color: var(--color-primary);
}

.mobile-menu__cta {
  margin-top: var(--space-md);
  text-align: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--color-charcoal);
  color: var(--color-gray-300);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer__brand {
  max-width: 20rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__logo-icon {
  width: 2rem;
  height: 2rem;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  line-height: var(--line-height-relaxed);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.footer__contact a {
  color: var(--color-gray-400);
}

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

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-gray-800);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.footer__legal-link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.footer__legal-link:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
}

.section-header__tagline {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  background: rgb(30 64 175 / 0.1);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-header__headline {
  margin-bottom: var(--space-md);
}

.section-header__subhead {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Problem/Solution Cards
   ========================================================================== */
.problem-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .problem-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.problem-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.problem-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
}

.problem-card__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--space-md);
  background: rgb(30 64 175 / 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-card__icon svg {
  width: 2rem;
  height: 2rem;
}

.problem-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: var(--space-sm);
}

.problem-card__text {
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
}

/* ==========================================================================
   Service Cards
   ========================================================================== */
.service-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .service-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

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

.service-card__header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-gray-200);
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: var(--space-xs);
}

.service-card__price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.service-card__price-period {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-gray-500);
}

.service-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  flex: 1;
}

.service-card__list li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.service-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

.service-card__note {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-lg);
}

.service-card__cta {
  margin-top: auto;
}

/* ==========================================================================
   Process Steps
   ========================================================================== */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.process-step {
  position: relative;
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
}

@media (min-width: 768px) {
  .process-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--color-gray-200);
  }
}

.process-step__number {
  position: absolute;
  top: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 3rem;
  height: 3rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  z-index: 1;
}

.process-step__title {
  text-align: center;
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.process-step__text {
  text-align: center;
  color: var(--color-gray-600);
}

/* ==========================================================================
   Trust Bar / Trust Signals
   ========================================================================== */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  justify-content: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.trust-item::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq {
  max-width: 48rem;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.faq__item[open] {
  border-color: var(--color-primary);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-charcoal);
  text-align: left;
  padding-right: var(--space-xl);
}

.faq__question:hover {
  background: var(--color-gray-100);
}

.faq__question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq__icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-gray-400);
  transition: transform var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq__item[open] .faq__icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  border-top: 1px solid var(--color-gray-200);
}

.faq__answer p {
  margin-bottom: var(--space-md);
}

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

/* ==========================================================================
   Proof/Placeholder Section
   ========================================================================== */
.proof {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
}

.proof__headline {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: var(--space-md);
}

.proof__subhead {
  color: var(--color-gray-600);
}

/* ==========================================================================
   Bundle Note
   ========================================================================== */
.bundle-note {
  text-align: center;
  padding: var(--space-lg);
  background: rgb(22 163 74 / 0.05);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  color: var(--color-accent-dark);
  font-weight: 500;
}

/* ==========================================================================
   Form Styles (Request a Review Page)
   ========================================================================== */
.form-page {
  max-width: 48rem;
  margin: 0 auto;
}

.form-page__hero {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.form-page__subhead {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-top: var(--space-md);
}

.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

@media (min-width: 768px) {
  .form-card {
    padding: var(--space-3xl);
  }
}

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

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

.form-success {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-success-bg);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-lg);
}

.form-success__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--space-md);
  background: var(--color-success);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-success__icon svg {
  width: 2rem;
  height: 2rem;
}

.form-success__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-success);
  margin-bottom: var(--space-md);
}

.form-success__text {
  color: var(--color-gray-700);
  margin-bottom: var(--space-md);
}

.form-success__next-steps {
  text-align: left;
  max-width: 32rem;
  margin: 0 auto var(--space-lg);
}

.form-success__next-steps ol {
  padding-left: var(--space-xl);
}

.form-success__next-steps li {
  margin-bottom: var(--space-sm);
  color: var(--color-gray-700);
}

.form-success__contact {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

.trust-signals {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.trust-signal {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.trust-signal::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ==========================================================================
   Principles / Pillars
   ========================================================================== */
.principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .principles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .principles {
    grid-template-columns: repeat(4, 1fr);
  }
}

.principle {
  padding: var(--space-lg);
}

.principle__number {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.principle__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: var(--space-sm);
}

.principle__text {
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
}

/* ==========================================================================
   Mission / Name Section
   ========================================================================== */
.mission {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.mission__headline {
  margin-bottom: var(--space-md);
}

.mission__body {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Contact & Legal Section
   ========================================================================== */
.contact-legal {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

.contact-legal__body {
  font-style: normal;
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-600);
}

.contact-legal__body address {
  font-style: normal;
}

.contact-legal__body br {
  display: block;
  content: "";
  margin-bottom: var(--space-xs);
}

.contact-legal__policies {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  font-size: var(--font-size-sm);
}

.contact-legal__policies a {
  color: var(--color-gray-500);
}

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

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-section__headline {
  margin-bottom: var(--space-md);
}

.cta-section__subhead {
  color: var(--color-gray-600);
  margin-bottom: var(--space-xl);
}

/* ==========================================================================
   Service Page Specific Styles
   ========================================================================== */
.service-page__hero {
  background: linear-gradient(135deg, rgb(30 64 175 / 0.05) 0%, var(--color-white) 100%);
}

.service-page__problems {
  max-width: 48rem;
  margin: 0 auto;
}

.service-page__problems .problem-cards {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .service-page__problems .problem-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .service-page__problems .problem-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

.deliverables {
  max-width: 48rem;
  margin: 0 auto;
}

.deliverables__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.deliverables__list li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

.deliverables__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

.deliverables__list li strong {
  color: var(--color-charcoal);
}

.exclusions {
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-lg);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
}

.exclusions__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: var(--space-md);
}

.exclusions__list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--color-gray-600);
}

.exclusions__list li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.exclusions__list li::before {
  content: "✕";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-error);
  font-weight: 600;
}

.faq-section {
  max-width: 48rem;
  margin: var(--space-3xl) auto 0;
}

.proof-placeholder {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  margin-top: var(--space-xl);
}

.proof-placeholder__headline {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: var(--space-md);
}

.proof-placeholder__subhead {
  color: var(--color-gray-600);
}

/* ==========================================================================
   CTA Banner (Bottom of Service Pages)
   ========================================================================== */
.cta-banner {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-2xl) 0;
  text-align: center;
  margin-top: var(--space-3xl);
}

.cta-banner__headline {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner__subhead {
  color: var(--color-gray-300);
  margin-bottom: var(--space-xl);
}

.cta-banner .btn {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.cta-banner .btn:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

/* ==========================================================================
   About Page Specific
   ========================================================================== */
.about__mission {
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.about__services-intro {
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.about__principles {
  margin-top: var(--space-2xl);
}

.about__name {
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.about__mission-section {
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.about__contact {
  max-width: 48rem;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

/* ==========================================================================
   Skip Link Focus
   ========================================================================== */
.skip-link:focus {
  top: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
}

/* ==========================================================================
   Loading States
   ========================================================================== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.4), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  100% {
    left: 100%;
  }
}

.btn--loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn--loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.25rem;
  height: 1.25rem;
  margin: -0.625rem 0 0 -0.625rem;
  border: 2px solid var(--color-white);
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.hidden { display: none !important; }
.invisible { visibility: hidden; }

/* Print Styles */
@media print {
  .header,
  .footer,
  .btn,
  .form-card,
  .cta-banner {
    display: none !important;
  }
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  a {
    text-decoration: underline;
  }
  .container {
    max-width: 100%;
    padding: 0;
  }
}
/* Scroll reveal: progressive enhancement. .reveal-on-scroll is only added by main.js when
   IntersectionObserver works, so without JS everything stays visible. */
.reveal-on-scroll { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-on-scroll.revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal-on-scroll { opacity: 1; transform: none; transition: none; } }