/* ============================================
   Benicia Retaining Walls - Base Styles
   Vanilla CSS3, mobile-first, no frameworks
   ============================================ */

:root {
  --color-stone-dark: #2f2b26;
  --color-stone: #4a443c;
  --color-stone-mid: #6e675c;
  --color-stone-light: #9a9186;
  --color-earth: #756254;
  --color-bg-cream: #f4f1ec;
  --color-bg-white: #ffffff;
  --color-accent: #2e7d4f;
  --color-accent-dark: #235f3c;
  --color-border: #ded7cb;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 6px;
  --max-width: 1140px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-stone-dark);
  background-color: var(--color-bg-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-base);
  color: var(--color-stone-dark);
  line-height: 1.25;
  margin-top: 0;
}

h1 {
  font-size: 2.1rem;
  font-weight: 800;
}

h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

p {
  margin-top: 0;
}

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--radius);
  transition: background-color 0.15s ease, transform 0.1s ease;
  border: none;
  cursor: pointer;
  font-family: var(--font-base);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 16px 28px;
  font-size: 1.1rem;
  text-align: center;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-large {
  width: 100%;
  max-width: 420px;
}

.btn-header-call {
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 10px 16px;
  font-size: 0.95rem;
  white-space: nowrap;
}

.btn-header-call:hover {
  background-color: var(--color-accent-dark);
}

.phone-icon {
  display: inline-block;
}

/* ============================================
   Header
   ============================================ */

.site-header {
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 12px;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-stone-dark);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 10px 20px 12px;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--color-stone-mid);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
}

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

/* ============================================
   Hero
   ============================================ */

.hero {
  background-color: var(--color-stone-dark);
  background-image: linear-gradient(180deg, var(--color-stone-dark) 0%, var(--color-stone) 100%);
  color: #ffffff;
  padding: 56px 0 48px;
  text-align: center;
}

.hero h1 {
  color: #ffffff;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subhead {
  color: #d9d3c8;
  font-size: 1.1rem;
  max-width: 640px;
  margin: 20px auto 32px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-trust-line {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--color-stone-light);
}

/* ============================================
   Services
   ============================================ */

.services {
  padding: 56px 0;
  background-color: var(--color-bg-cream);
}

.services h2 {
  text-align: center;
}

.section-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
  color: var(--color-stone-mid);
  font-size: 1.05rem;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.service-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.service-card p {
  color: var(--color-stone-mid);
}

/* ============================================
   Testimonials
   ============================================ */

.testimonials {
  padding: 56px 0;
  background-color: var(--color-bg-white);
}

.testimonials h2 {
  text-align: center;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

.testimonial-card {
  background-color: var(--color-bg-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.testimonial-stars {
  color: var(--color-accent);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.testimonial-quote {
  color: var(--color-stone);
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-author {
  font-weight: 700;
  color: var(--color-stone-dark);
  font-size: 0.9rem;
}

/* ============================================
   Why Choose Us
   ============================================ */

.why-us {
  background-color: var(--color-earth);
  color: #ffffff;
  padding: 56px 0;
  text-align: center;
}

.why-us h2 {
  color: #ffffff;
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  text-align: left;
  max-width: 820px;
  margin: 40px auto;
}

.trust-item {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 24px;
}

.trust-item h3 {
  color: #ffffff;
}

.trust-item p {
  color: #ece7de;
  margin-bottom: 0;
}

.why-us-cta {
  margin-top: 8px;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background-color: var(--color-stone-dark);
  color: #ded7cb;
  padding: 48px 0 20px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.footer-info h2 {
  color: #ffffff;
  font-size: 1.4rem;
}

.footer-phone a {
  color: var(--color-accent);
  font-size: 1.4rem;
  font-weight: 800;
  text-decoration: none;
}

.footer-service-area {
  color: var(--color-stone-light);
  max-width: 380px;
}

.footer-form h3 {
  color: #ffffff;
}

.footer-form form {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-form label {
  font-size: 0.85rem;
  color: var(--color-stone-light);
  margin-top: 12px;
}

.footer-form input,
.footer-form textarea {
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-stone-mid);
  background-color: #3a352e;
  color: #ffffff;
  font-family: var(--font-base);
  font-size: 1rem;
  resize: vertical;
}

.footer-form input:focus,
.footer-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.footer-form button {
  margin-top: 18px;
  align-self: flex-start;
}

.footer-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-status {
  margin-top: 12px;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.contact-status-success {
  color: #7cd9a0;
}

.contact-status-error {
  color: #e59a8a;
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--color-stone);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-stone-light);
}

/* ============================================
   Responsive - Tablet & Desktop
   ============================================ */

@media (min-width: 640px) {
  h1 {
    font-size: 2.6rem;
  }

  .btn-large {
    width: auto;
  }

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

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

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

  .footer-inner {
    grid-template-columns: 1.1fr 1fr;
  }
}

@media (min-width: 900px) {
  .hero {
    padding: 88px 0 72px;
  }

  h1 {
    font-size: 3rem;
  }

  .hero-subhead {
    font-size: 1.2rem;
  }
}