/* ==========================================================================
   Cornerstone Support Inc — stylesheet
   ========================================================================== */

:root {
  --color-primary: #0B2545;
  --color-primary-light: #13366b;
  --color-accent: #1FBF9F;
  --color-accent-dark: #17a087;
  --color-bg: #F4F7FA;
  --color-surface: #FFFFFF;
  --color-text: #1B2733;
  --color-text-muted: #5A6B7B;
  --color-border: #E1E8EF;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.10);
  --radius: 10px;
  --max-width: 1140px;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-primary);
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
}

.section-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.eyebrow {
  display: inline-block;
  color: var(--color-accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  margin-bottom: 12px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #062017;
}

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

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

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

.btn-dark:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

/* ---------- Header / Nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary);
}

.brand img {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0e3a6e 60%, #0c2f57 100%);
  color: #fff;
  padding: 96px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  margin-bottom: 20px;
}

.hero p.lead {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-size: 1.7rem;
  color: var(--color-accent);
}

.hero-stats div span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 32px;
}

.hero-card ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
}

.hero-card ul li:last-child {
  border-bottom: none;
}

.hero-card .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #062017;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}

/* ---------- Cards / Grids ---------- */

.grid {
  display: grid;
  gap: 28px;
}

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

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(31, 191, 159, 0.14);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--color-text-muted);
  margin-bottom: 0;
  font-size: 0.95rem;
}

.card ul {
  margin-top: 14px;
}

.card ul li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 5px 0;
  padding-left: 22px;
  position: relative;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- Alt sections ---------- */

.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-dark {
  background: var(--color-primary);
  color: #fff;
}

.section-dark h2 {
  color: #fff;
}

.section-dark .section-heading p {
  color: rgba(255, 255, 255, 0.75);
}

/* ---------- Two column with image/panel ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.panel-dark {
  background: var(--color-primary);
  color: #fff;
  border: none;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.stat-row .stat strong {
  display: block;
  font-size: 2rem;
  color: var(--color-primary);
}

.stat-row .stat span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Team ---------- */

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

.team-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.team-card h3 {
  margin-bottom: 2px;
  font-size: 1.05rem;
}

.team-role {
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 12px;
  display: block;
}

/* ---------- Values ---------- */

.value-item {
  display: flex;
  gap: 18px;
}

.value-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(31, 191, 159, 0.14);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

/* ---------- Timeline ---------- */

.timeline {
  border-left: 2px solid var(--color-border);
  padding-left: 28px;
  margin-left: 6px;
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
}

.timeline-year {
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 4px;
}

/* ---------- Pricing (Services page) ---------- */

.pricing-card {
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--color-accent);
  transform: translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #062017;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
}

.price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 12px 0 4px;
}

.price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-card ul {
  text-align: left;
  margin: 24px 0;
}

.pricing-card ul li {
  padding: 8px 0 8px 26px;
  position: relative;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card ul li:last-child {
  border-bottom: none;
}

.pricing-card ul li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-accent-dark);
  font-weight: 800;
}

/* ---------- CTA ---------- */

.cta {
  background: linear-gradient(135deg, var(--color-primary), #0e3a6e);
  color: #fff;
  border-radius: var(--radius);
  padding: 56px;
  text-align: center;
}

.cta h2 {
  color: #fff;
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin: 0 auto 28px;
}

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(31, 191, 159, 0.14);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.contact-info-item h4 {
  margin-bottom: 4px;
  font-size: 0.98rem;
}

.contact-info-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---------- Form ---------- */

.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(31, 191, 159, 0.18);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: -8px;
}

.form-success {
  display: none;
  background: rgba(31, 191, 159, 0.12);
  border: 1px solid var(--color-accent);
  color: var(--color-accent-dark);
  padding: 14px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.form-success.visible {
  display: block;
}

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 220px;
  background: linear-gradient(135deg, #dce7f1, #eef3f8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 24px;
}

/* ---------- FAQ ---------- */

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: inherit;
}

.faq-question .icon {
  flex-shrink: 0;
  color: var(--color-accent-dark);
  font-size: 1.2rem;
  transition: transform 0.2s ease;
}

.faq-item.open .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 240px;
  padding-bottom: 20px;
}

.faq-answer p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- Footer ---------- */

.site-footer {
  background: #081b33;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand img {
  width: 30px;
  height: 30px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.footer-grid ul li {
  margin-bottom: 10px;
}

.footer-grid ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.85rem;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.social-links a:hover {
  background: var(--color-accent);
  color: #062017;
}

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  background: linear-gradient(135deg, var(--color-primary), #0e3a6e);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}

.page-hero h1 {
  color: #fff;
  margin-bottom: 10px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Utilities ---------- */

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

.mt-lg {
  margin-top: 48px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 720px) {
  .nav-links,
  .nav-actions .btn-dark {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta {
    padding: 40px 24px;
  }

  section {
    padding: 56px 0;
  }
}