/* ==========================================================================
   Easy Virtual Assistants - Core Theme Stylesheet
   Built according to Brand & Layout Blueprint v1
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Brand Color Tokens */
  --color-primary-navy: #121441;
  --color-primary-navy-dark: #0b0c2a;
  --color-primary-navy-light: #1b1e5a;
  --color-amber: #E18C26;
  --color-amber-hover: #c97718;
  --color-amber-light: #fff5eb;
  --color-ink: #101924;
  --color-off-white: #F8FAFC;
  --color-white: #FFFFFF;
  --color-muted-slate: #475569;
  --color-light-slate: #64748B;
  --color-border: #E2E8F0;
  --color-border-dark: #23275c;
  --color-success: #10B981;
  --color-error: #EF4444;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-size-h1: clamp(2.25rem, 5vw + 1rem, 3.75rem); /* fluid 36-60px */
  --font-size-h2: clamp(1.75rem, 3vw + 0.75rem, 2.625rem); /* fluid 28-42px */
  --font-size-h3: clamp(1.375rem, 2vw + 0.5rem, 1.75rem); /* fluid 22-28px */
  --font-size-body: 1.0625rem; /* 17px */
  --font-size-body-sm: 0.9375rem; /* 15px */
  --font-size-label: 0.875rem; /* 14px */
  --line-height-body: 1.6;
  --line-height-heading: 1.2;

  /* Spacing Tokens */
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-88: 88px;

  /* Layout */
  --max-content-width: 1200px;
  --border-radius-card: 16px;
  --border-radius-button: 8px;
  --border-radius-input: 8px;
  --header-height: 80px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --box-shadow-sm: 0 1px 3px rgba(16, 25, 36, 0.05);
  --box-shadow-md: 0 4px 12px rgba(16, 25, 36, 0.08);
  --box-shadow-lg: 0 12px 32px rgba(18, 20, 65, 0.12);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-ink);
  background-color: var(--color-off-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main#primary-content {
  flex: 1 0 auto;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary-navy);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--border-radius-button);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 16px;
}

/* Container */
.site-container {
  width: 100%;
  max-width: var(--max-content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-24);
  padding-right: var(--space-24);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary-navy);
  font-weight: 700;
  line-height: var(--line-height-heading);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
  color: var(--color-ink);
  margin-bottom: var(--space-16);
}
p:last-child {
  margin-bottom: 0;
}

.text-muted {
  color: var(--color-muted-slate);
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: var(--color-amber-light);
  color: #9c5807;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 9999px;
  border: 1px solid rgba(225, 140, 38, 0.25);
  margin-bottom: var(--space-16);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--border-radius-button);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-amber);
  color: #101924; /* Accessible high contrast */
  border-color: var(--color-amber);
  box-shadow: 0 2px 6px rgba(225, 140, 38, 0.25);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-amber-hover);
  border-color: var(--color-amber-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(225, 140, 38, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-navy);
  border-color: var(--color-primary-navy);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary-navy);
  border-color: var(--color-white);
}
.btn-white:hover, .btn-white:focus-visible {
  background-color: #f1f5f9;
  color: var(--color-primary-navy-dark);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-outline-white:hover, .btn-outline-white:focus-visible {
  background-color: var(--color-white);
  color: var(--color-primary-navy);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(18, 20, 65, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  width: 200px;
  max-width: 220px;
}
.site-logo img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-32);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-24);
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 500;
  color: var(--color-ink);
  padding: 8px 12px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link:focus-visible, .nav-item.current-menu-item > .nav-link {
  color: var(--color-amber);
}

.dropdown-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: var(--box-shadow-lg);
  border: 1px solid var(--color-border);
  padding: 10px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: 1001;
}

.nav-item.has-dropdown:hover .dropdown-menu,
.nav-item.has-dropdown:focus-within .dropdown-menu,
.nav-item.has-dropdown.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-item.has-dropdown:hover .dropdown-toggle svg {
  transform: rotate(180deg);
}

.dropdown-link {
  display: block;
  padding: 10px 14px;
  color: var(--color-ink);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.dropdown-link span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-muted-slate);
  font-weight: 400;
  margin-top: 2px;
}

.dropdown-link:hover, .dropdown-link:focus-visible {
  background-color: var(--color-off-white);
  color: var(--color-amber);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--color-primary-navy);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: var(--space-64) 0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-off-white) 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-48);
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  margin-bottom: var(--space-24);
  color: var(--color-primary-navy);
}

.hero-description {
  font-size: 1.1875rem;
  line-height: 1.6;
  color: var(--color-muted-slate);
  margin-bottom: var(--space-32);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-16);
  margin-bottom: var(--space-32);
}

.hero-proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--color-muted-slate);
  padding: 8px 16px;
  background-color: var(--color-white);
  border-radius: 9999px;
  border: 1px solid var(--color-border);
}

.hero-visual-card {
  background: var(--color-white);
  border-radius: var(--border-radius-card);
  padding: var(--space-32);
  box-shadow: var(--box-shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
}

.visual-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.visual-badge-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-success);
}
.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.mock-handoff-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--color-off-white);
  border-radius: 8px;
}
.mock-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-muted-slate);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.mock-value {
  font-size: 0.9375rem;
  color: var(--color-ink);
  font-weight: 600;
}

/* ==========================================================================
   Services Grid & Cards
   ========================================================================== */
.section-padding {
  padding: var(--space-88) 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-64) auto;
}

.section-subtitle {
  color: var(--color-muted-slate);
  font-size: 1.125rem;
  margin-top: 12px;
}

.services-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-32);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-card);
  padding: var(--space-32);
  border: 1px solid var(--color-border);
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.service-icon-box {
  width: 56px;
  height: 56px;
  background-color: var(--color-amber-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-amber);
  margin-bottom: var(--space-24);
}

.service-icon-box svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-amber);
}

.service-card-title {
  margin-bottom: 12px;
  font-size: 1.375rem;
}

.service-card-desc {
  color: var(--color-muted-slate);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--space-24);
  flex-grow: 1;
}

.service-deliverables {
  list-style: none;
  margin-bottom: var(--space-24);
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.service-deliverables li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-ink);
  margin-bottom: 10px;
}

.service-deliverables li svg {
  width: 16px;
  height: 16px;
  color: var(--color-amber);
  flex-shrink: 0;
}

.card-cta-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary-navy);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-cta-link:hover {
  color: var(--color-amber);
}

/* ==========================================================================
   Why EVA & Proof Section
   ========================================================================== */
.why-section {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.proof-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-24);
}

.proof-block {
  padding: var(--space-24);
  border-radius: var(--border-radius-card);
  background-color: var(--color-off-white);
  border: 1px solid var(--color-border);
}

.proof-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-amber);
  margin-bottom: 8px;
  line-height: 1;
}

.proof-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  margin-bottom: 8px;
}

.proof-desc {
  font-size: 0.875rem;
  color: var(--color-muted-slate);
  line-height: 1.5;
}

/* ==========================================================================
   4-Step Workflow Section
   ========================================================================== */
.process-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-24);
  position: relative;
}

.process-step-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: var(--space-32) var(--space-24);
  position: relative;
}

.step-num {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-amber);
  background: var(--color-amber-light);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--color-muted-slate);
}

/* ==========================================================================
   FAQ Accordions
   ========================================================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-amber);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--color-amber);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 24px 20px 24px;
  font-size: 0.9375rem;
  color: var(--color-muted-slate);
  line-height: 1.6;
  display: none;
}

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

/* ==========================================================================
   Closing CTA Band (Deep Navy)
   ========================================================================== */
.cta-band {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
  padding: var(--space-64) 0;
  border-radius: var(--border-radius-card);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-band p {
  color: #CBD5E1;
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--space-32) auto;
}

/* ==========================================================================
   Contact Page & Contextual Form
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-48);
  align-items: start;
}

.contact-info-panel {
  background: var(--color-white);
  padding: var(--space-40);
  border-radius: var(--border-radius-card);
  border: 1px solid var(--color-border);
}

.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: var(--space-24);
}

.meta-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background-color: var(--color-amber-light);
  color: var(--color-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-card {
  background: var(--color-white);
  padding: var(--space-48);
  border-radius: var(--border-radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--box-shadow-md);
}

.form-group {
  margin-bottom: var(--space-24);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--color-error);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--color-ink);
  background-color: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-input);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-amber);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(225, 140, 38, 0.15);
}

.conditional-fields {
  display: none;
  padding: 16px;
  background-color: var(--color-off-white);
  border-radius: 8px;
  border-left: 3px solid var(--color-amber);
  margin-bottom: var(--space-24);
}

.conditional-fields.active {
  display: block;
  animation: fadeIn 250ms ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-navy);
  color: #CBD5E1;
  padding: var(--space-88) 0 var(--space-32) 0;
  margin-top: auto;
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-48);
  margin-bottom: var(--space-64);
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col-title {
  color: var(--color-white);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-32);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: #64748B;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

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

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background-color: #25D366;
  color: white;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.floating-whatsapp:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-40);
  }
  .services-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .proof-grid-4, .process-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .mobile-menu-btn {
    display: block;
  }
  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: var(--space-24);
    box-shadow: var(--box-shadow-lg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    display: none;
  }
  .primary-nav.is-open {
    display: flex;
  }
  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    display: none;
  }
  .nav-item.is-open .dropdown-menu {
    display: block;
  }
  .header-cta {
    display: none;
  }
  .services-grid-3, .proof-grid-4, .process-grid-4 {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}