/* ============================================
   Conceptos Design - Digital Marketing
   Palette: charcoal #2e2e2e, white, black
   Headings: Poppins / Body: Space Mono
   ============================================ */

:root {
  --dark: #2e2e2e;
  --darker: #262626;
  --white: #ffffff;
  --off-white: #f7f7f7;
  --text-light: #d9d9d9;
  --text-dark: #1a1a1a;
  --border: rgba(255, 255, 255, 0.25);
  --font-heading: 'Poppins', -apple-system, sans-serif;
  --font-body: 'Space Mono', 'Courier New', monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dark);
  background: var(--white);
}

img {
  max-width: 100%;
  display: block;
  background: #e8e8e8;
}

a {
  color: inherit;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.site-header {
  background: var(--dark);
  color: var(--white);
  padding: 22px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 20px;
  text-decoration: none;
}

.brand img {
  height: 52px;
  width: auto;
  background: transparent;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-tagline {
  font-family: var(--font-heading);
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 6px;
}

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

/* ============ Sections ============ */

.section {
  padding: 90px 0;
}

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

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

/* ============ Hero (home) ============ */

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 44px;
  line-height: 1.2;
  margin-bottom: 28px;
}

.hero p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.hero p strong {
  color: var(--white);
}

.hero a.cta-link {
  font-size: 14px;
  color: var(--white);
}

.hero-photo img {
  width: 100%;
  height: auto;
}

/* ============ Big quote ============ */

.quote-block {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.quote-block blockquote {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 40px;
  line-height: 1.35;
  margin-bottom: 40px;
}

.quote-block .attribution {
  font-size: 13px;
}

.quote-block .attribution .name {
  display: block;
  margin-bottom: 6px;
}

.quote-block .attribution .title {
  color: #777;
}

.section-dark .quote-block .attribution .title {
  color: var(--text-light);
}

/* ============ CTA band ============ */

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

.cta-band h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 32px;
  line-height: 1.4;
  max-width: 640px;
  margin: 0 auto 36px;
}

.cta-band .subtext {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 24px;
}

.cta-band .subtext strong {
  color: var(--white);
}

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--border);
  padding: 16px 32px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

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

.btn-dark {
  color: var(--text-dark);
  border-color: rgba(0, 0, 0, 0.35);
}

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

/* ============ Page title band ============ */

.page-title {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 70px 0 100px;
}

.page-title h1 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 34px;
  line-height: 1.4;
  max-width: 860px;
  margin: 0 auto;
}

/* ============ Gallery ============ */

.gallery {
  padding: 70px 0 90px;
}

.gallery-grid {
  column-count: 4;
  column-gap: 16px;
}

.gallery-grid img {
  width: 100%;
  margin-bottom: 16px;
  break-inside: avoid;
}

/* ============ Feature rows (contact page) ============ */

.feature-photo {
  max-width: 720px;
  margin: 50px auto 0;
}

.feature-row .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-row h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 28px;
}

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

.site-footer {
  background: var(--white);
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 60px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-brand img {
  height: 56px;
  width: auto;
  background: transparent;
}

.footer-brand .brand-title {
  color: var(--text-dark);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-dark);
  text-decoration: none;
  margin-bottom: 10px;
}

.footer-col a:hover {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #ddd;
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.social-icons {
  display: flex;
  gap: 20px;
}

.social-icons a {
  color: var(--text-dark);
  display: inline-flex;
}

.social-icons svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ============ Responsive ============ */

@media (max-width: 900px) {
  .hero .container,
  .feature-row .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .gallery-grid {
    column-count: 2;
  }

  .quote-block blockquote {
    font-size: 28px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .page-title h1 {
    font-size: 26px;
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .site-nav {
    margin-left: 0;
  }

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

@media (max-width: 540px) {
  .gallery-grid {
    column-count: 1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
  }
}