/* ==========================================================================
   ShastraTech - Production Stylesheet
   Mobile-First, Semantic, WCAG AA Compliant
   Colors:
     Accent:       #0B7A63
     Dark:         #10231F
     Highlight:    #FFD84D (Small badge only)
     Soft BG:      #F0F7F4
     Border:       #D5E3DE
     White:        #FFFFFF
   ========================================================================== */

:root {
  /* Brand Palette */
  --color-accent: #0B7A63;
  --color-accent-hover: #085E4C;
  --color-accent-active: #064739;
  --color-accent-light: #E6F3EE;
  --color-accent-rgb: 11, 122, 99;

  --color-dark: #10231F;
  --color-dark-surface: #19342F;
  --color-dark-card: #1E3F39;
  --color-dark-border: #2B574E;

  --color-highlight: #FFD84D;
  --color-highlight-text: #10231F;

  --color-soft-bg: #F0F7F4;
  --color-border: #D5E3DE;
  --color-border-hover: #B7CEC6;
  --color-white: #FFFFFF;

  --color-text-main: #10231F;
  --color-text-muted: #3D554F;
  --color-text-inverted: #FFFFFF;
  --color-text-inverted-muted: #D5E3DE;

  --color-error: #B31D1D;
  --color-error-bg: #FDF2F2;
  --color-error-border: #F8B4B4;
  --color-success: #0B7A63;
  --color-success-bg: #EBF8F4;
  --color-success-border: #A3D8C8;

  /* Spacing Scale (8pt Grid) */
  --space-2xs: 0.25rem;  /* 4px */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 0.75rem;   /* 12px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4.5rem;   /* 72px */
  --space-4xl: 6rem;     /* 96px */

  /* Typography */
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.8125rem;  /* 13px */
  --font-size-sm: 0.9375rem;  /* 15px */
  --font-size-base: 1.0625rem;/* 17px */
  --font-size-lg: 1.25rem;    /* 20px */
  --font-size-xl: 1.5rem;     /* 24px */
  --font-size-2xl: 1.875rem;  /* 30px */
  --font-size-3xl: 2.375rem;  /* 38px */
  --font-size-4xl: 3rem;      /* 48px */

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.2;
  --line-height-heading: 1.25;
  --line-height-body: 1.6;

  /* Component Properties */
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  --border-radius-full: 9999px;

  --shadow-subtle: 0 2px 6px rgba(16, 35, 31, 0.05);
  --shadow-card: 0 4px 16px rgba(16, 35, 31, 0.07);
  --shadow-hover: 0 8px 24px rgba(16, 35, 31, 0.12);
  --shadow-elevated: 0 16px 36px rgba(16, 35, 31, 0.14);

  --transition-fast: 0.18s ease-in-out;
  --transition-normal: 0.25s ease-in-out;

  --container-max: 1200px;
  --btn-min-height: 48px;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-system);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-text-main);
  background-color: var(--color-white);
  overflow-x: hidden;
  position: relative;
  /* Extra space on mobile to prevent sticky bottom bar overlap */
  padding-bottom: 74px;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

/* Accessibility Focus States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* High-contrast focus outlines on dark sections */
.section-problem :focus-visible,
.section-cta-band :focus-visible,
.site-footer :focus-visible {
  outline: 3px solid var(--color-highlight);
  outline-offset: 3px;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -999px;
  left: 16px;
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 12px 20px;
  z-index: 1000;
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--color-highlight);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.skip-link:focus {
  top: 16px;
  outline: 3px solid var(--color-highlight);
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

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

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

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

.section-header {
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: var(--space-2xl);
  }
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--font-size-3xl);
  }
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-top: var(--space-xs);
  margin-left: auto;
  margin-right: auto;
}

/* Typography Base */
h1, h2, h3, h4 {
  color: var(--color-dark);
  line-height: var(--line-height-heading);
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

p, blockquote {
  color: var(--color-text-muted);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

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

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: var(--btn-min-height);
  padding: 0 var(--space-lg);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(11, 122, 99, 0.25);
}

.btn-primary:active {
  background-color: var(--color-accent-active);
  transform: translateY(0);
}

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

.btn-secondary:hover {
  background-color: var(--color-soft-bg);
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #10231F;
  border-color: #25D366;
  font-weight: var(--font-weight-bold);
}

.btn-whatsapp:hover {
  background-color: #20BA5A;
  border-color: #20BA5A;
  color: #10231F;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-full {
  width: 100%;
}

/* ==========================================================================
   1. Sticky Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

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

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

@media (min-width: 768px) {
  .header-container {
    height: 76px;
  }
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 4px 0;
}

.site-logo-img {
  height: 38px;
  width: auto;
  max-width: 175px;
  object-fit: contain;
  display: block;
}

@media (min-width: 768px) {
  .site-logo-img {
    height: 44px;
    max-width: 218px;
  }
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--border-radius-sm);
  background: var(--color-accent);
  color: var(--color-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 19px;
  line-height: 1;
}

.brand-name {
  color: var(--color-dark);
}

.brand-name span {
  color: var(--color-accent);
}

.nav-desktop {
  display: none;
}

@media (min-width: 860px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
  }

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

  .nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-main);
    text-decoration: none;
    padding: var(--space-xs) 0;
    position: relative;
  }

  .nav-link:hover {
    color: var(--color-accent);
  }

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

  .nav-link:hover::after {
    width: 100%;
  }

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

/* Mobile Menu Toggle Button */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  min-height: 48px;
  min-width: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  color: var(--color-dark);
  padding: 0;
}

.mobile-toggle:focus-visible {
  outline: 3px solid var(--color-accent);
}

@media (min-width: 860px) {
  .mobile-toggle {
    display: none;
  }
}

.hamburger-icon {
  width: 22px;
  height: 16px;
  position: relative;
  display: block;
}

.hamburger-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), top var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-line:nth-child(1) { top: 0; }
.hamburger-line:nth-child(2) { top: 7px; }
.hamburger-line:nth-child(3) { top: 14px; }

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  top: 7px;
  transform: rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  top: 7px;
  transform: rotate(-45deg);
}

/* Mobile Nav Drawer */
.nav-mobile {
  display: none;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-card);
}

.nav-mobile.is-open {
  display: block;
}

@media (min-width: 860px) {
  .nav-mobile {
    display: none !important;
  }
}

.nav-mobile-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.nav-mobile-link {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
  text-decoration: none;
  padding: var(--space-sm) var(--space-xs);
  border-radius: var(--border-radius-sm);
}

.nav-mobile-link:hover,
.nav-mobile-link:focus-visible {
  background-color: var(--color-soft-bg);
  color: var(--color-accent);
}

/* ==========================================================================
   2 & 3. Hero Section & Quote Form Card
   ========================================================================== */

.hero-section {
  background-color: var(--color-soft-bg);
  border-bottom: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

@media (min-width: 992px) {
  .hero-section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--space-2xl);
  }
}

/* Hero Badge */
.hero-badge-wrap {
  margin-bottom: var(--space-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-highlight);
  color: var(--color-highlight-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 6px 14px;
  border-radius: var(--border-radius-full);
  letter-spacing: 0.02em;
  border: 1px solid rgba(16, 35, 31, 0.12);
  line-height: 1.3;
}

.hero-content h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-dark);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
}

@media (min-width: 576px) {
  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }
}

@media (min-width: 992px) {
  .hero-content h1 {
    font-size: var(--font-size-4xl);
  }
}

.hero-desc {
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 580px;
}

@media (min-width: 768px) {
  .hero-desc {
    font-size: var(--font-size-lg);
  }
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

@media (min-width: 480px) {
  .hero-cta-group {
    flex-direction: row;
    align-items: center;
  }
}

/* Trust Line */
.hero-trust-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ==========================================================================
   3. Quote Form Card (Stacked below on mobile, beside on desktop)
   ========================================================================== */

.quote-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  position: relative;
}

@media (min-width: 576px) {
  .quote-card {
    padding: var(--space-xl);
  }
}

.quote-card-header {
  margin-bottom: var(--space-md);
}

.quote-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-2xs);
}

.quote-card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-body);
}

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

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  margin-bottom: 6px;
}

.form-label .required-indicator {
  color: var(--color-error);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: var(--color-dark);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(11, 122, 99, 0.15);
}

.form-control.has-error {
  border-color: var(--color-error);
  background-color: var(--color-error-bg);
}

textarea.form-control {
  resize: vertical;
  min-height: 84px;
}

.form-error-msg {
  display: none;
  color: var(--color-error);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-top: 4px;
}

.form-error-msg.is-visible {
  display: block;
}

/* Honeypot hidden */
.honey-trap {
  display: none !important;
  visibility: hidden !important;
  position: absolute !important;
  left: -9999px !important;
}

/* Form Status Alert */
.form-status {
  display: none;
  padding: var(--space-md);
  border-radius: var(--border-radius-sm);
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  line-height: 1.45;
}

.form-status.is-success {
  display: block;
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success);
}

.form-status.is-error {
  display: block;
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-error);
}

.form-status .fallback-action {
  margin-top: var(--space-sm);
}

/* ==========================================================================
   4. Problem Section (Dark Background)
   ========================================================================== */

.section-problem {
  background-color: var(--color-dark);
  color: var(--color-text-inverted);
}

.section-problem .section-title {
  color: var(--color-white);
}

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

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

.problem-card {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.problem-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
}

.problem-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 216, 77, 0.12);
  color: var(--color-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.problem-icon-wrap svg {
  width: 24px;
  height: 24px;
}

.problem-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

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

/* ==========================================================================
   5. What You Get (Included Section)
   ========================================================================== */

.section-included {
  background-color: var(--color-white);
}

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

@media (min-width: 640px) {
  .included-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .included-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.included-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.included-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-soft-bg);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.included-icon-wrap svg {
  width: 24px;
  height: 24px;
}

.included-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

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

/* ==========================================================================
   6. Process Section
   ========================================================================== */

.section-process {
  background-color: var(--color-soft-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

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

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

.process-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  position: relative;
}

.process-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.process-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

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

/* ==========================================================================
   7. Pricing Section
   ========================================================================== */

.section-pricing {
  background-color: var(--color-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

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

@media (min-width: 1024px) {
  .pricing-grid {
    gap: var(--space-lg);
  }
}

.pricing-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.pricing-card.is-featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  background: linear-gradient(180deg, #FFFFFF 0%, #F5FAF8 100%);
}

@media (min-width: 768px) {
  .pricing-card.is-featured {
    transform: scale(1.03);
  }
  .pricing-card.is-featured:hover {
    transform: scale(1.03) translateY(-2px);
  }
}

.pricing-badge-pill {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-highlight);
  color: var(--color-highlight-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 4px 16px;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid rgba(16, 35, 31, 0.15);
  box-shadow: var(--shadow-subtle);
  white-space: nowrap;
}

.pricing-card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.pricing-plan-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-price {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  line-height: 1;
}

.pricing-period {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  margin-bottom: var(--space-sm);
}

.pricing-feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   8. Proof Section
   ========================================================================== */

.section-proof {
  background-color: var(--color-soft-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

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

.proof-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.proof-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.proof-img-wrap {
  position: relative;
  background-color: var(--color-soft-bg);
  border-bottom: 1px solid var(--color-border);
}

.proof-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.proof-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: rgba(16, 35, 31, 0.85);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
}

.proof-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.proof-project-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  margin-bottom: var(--space-xs);
}

.proof-quote {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-body);
  font-style: italic;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.proof-author {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-dark);
  font-style: normal;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xs);
}

/* ==========================================================================
   9. FAQ Section (Native details & summary, 0 JS)
   ========================================================================== */

.section-faq {
  background-color: var(--color-white);
}

.faq-container {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-sm);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-subtle);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: -2px;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-body);
  border-top: 1px solid transparent;
}

.faq-item[open] .faq-content {
  border-top-color: var(--color-border);
  padding-top: var(--space-sm);
}

/* ==========================================================================
   10. Final Call to Action Band
   ========================================================================== */

.section-cta-band {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  text-align: center;
}

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

.cta-band-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .cta-band-title {
    font-size: var(--font-size-3xl);
  }
}

.cta-band-actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
}

@media (min-width: 520px) {
  .cta-band-actions {
    flex-direction: row;
  }
}

/* ==========================================================================
   11. Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-dark-surface);
  color: var(--color-text-inverted-muted);
  border-top: 1px solid var(--color-dark-border);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-dark-border);
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.5fr 1fr;
  }
}

.footer-brand {
  display: inline-block;
  margin-bottom: var(--space-xs);
  text-decoration: none;
}

.footer-logo-img {
  height: 38px;
  width: auto;
  max-width: 195px;
  object-fit: contain;
  display: block;
  margin-bottom: var(--space-xs);
  background: rgba(255, 255, 255, 0.96);
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverted-muted);
  max-width: 440px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
}

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

.footer-contact-item a {
  color: var(--color-white);
  text-decoration: none;
}

.footer-contact-item a:hover {
  color: var(--color-highlight);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  font-size: var(--font-size-xs);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

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

.footer-links a {
  color: var(--color-text-inverted-muted);
  text-decoration: underline;
}

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

/* ==========================================================================
   Mobile Sticky Bottom Bar
   (Only shown on mobile <= 767px, never covers form or footer content)
   ========================================================================== */

.mobile-bottom-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 850;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border);
  padding: 10px var(--space-md);
  gap: var(--space-xs);
  box-shadow: 0 -4px 16px rgba(16, 35, 31, 0.1);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-bottom-bar .btn {
  flex: 1;
  font-size: var(--font-size-sm);
  min-height: 48px;
  padding: 0 var(--space-sm);
}

/* Hide on desktop/tablet */
@media (min-width: 768px) {
  .mobile-bottom-bar {
    display: none !important;
  }
}

/* Automatically hide when quote form is in focus/viewport or if hidden class added */
.mobile-bottom-bar.is-hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}