/* ========================================
   LaVista Acquisitions Group — Design Tokens
   Dark & Corporate: Navy, Gold, Black
   ======================================== */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Font families */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* ---- DARK MODE (DEFAULT for this site) ---- */
:root, [data-theme="dark"] {
  --color-bg:             #0b0e17;
  --color-surface:        #111627;
  --color-surface-2:      #171c30;
  --color-surface-offset: #0f1322;
  --color-divider:        #1f253a;
  --color-border:         #2a3150;

  --color-text:           #e8e6e1;
  --color-text-muted:     #9a9790;
  --color-text-faint:     #5a5850;
  --color-text-inverse:   #0b0e17;

  --color-primary:        #c9a84c;
  --color-primary-hover:  #dbb95d;
  --color-primary-active: #b8932f;

  --color-accent:         #1b3a6b;
  --color-accent-light:   #243f6c;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);
}

/* ---- LIGHT MODE ---- */
[data-theme="light"] {
  --color-bg:             #f5f3ef;
  --color-surface:        #ffffff;
  --color-surface-2:      #fafaf8;
  --color-surface-offset: #edeae4;
  --color-divider:        #d8d5cf;
  --color-border:         #c4c0b8;

  --color-text:           #1a1a2e;
  --color-text-muted:     #5c5a54;
  --color-text-faint:     #9a9790;
  --color-text-inverse:   #f5f3ef;

  --color-primary:        #9a7b2e;
  --color-primary-hover:  #b8932f;
  --color-primary-active: #7d6324;

  --color-accent:         #1b3a6b;
  --color-accent-light:   #e8edf6;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.08);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.1);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.14);
}

/* System preference fallback */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f5f3ef;
    --color-surface:        #ffffff;
    --color-surface-2:      #fafaf8;
    --color-surface-offset: #edeae4;
    --color-divider:        #d8d5cf;
    --color-border:         #c4c0b8;
    --color-text:           #1a1a2e;
    --color-text-muted:     #5c5a54;
    --color-text-faint:     #9a9790;
    --color-text-inverse:   #f5f3ef;
    --color-primary:        #9a7b2e;
    --color-primary-hover:  #b8932f;
    --color-primary-active: #7d6324;
    --color-accent:         #1b3a6b;
    --color-accent-light:   #e8edf6;
    --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.08);
    --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.1);
    --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.14);
  }
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

body {
  font-family: var(--font-body);
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

/* ========================================
   HEADER / NAV
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo-wordmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  line-height: 1;
}
.logo-name {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.5rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
.logo-divider {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  opacity: 0.6;
}
.logo-sub {
  font-family: var(--font-display);
  font-size: clamp(0.5rem, 0.4rem + 0.3vw, 0.65rem);
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.nav-links a:hover {
  color: var(--color-primary);
}

.theme-toggle {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-surface);
}

.mobile-menu-btn {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: calc(80px + var(--space-8)) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav a {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 500;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

/* ========================================
   HERO
   ======================================== */

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: calc(80px + var(--space-16));
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    oklch(from var(--color-bg) l c h / 0.92) 0%,
    oklch(from var(--color-bg) l c h / 0.7) 50%,
    oklch(from var(--color-bg) l c h / 0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-6);
}
.hero-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--color-primary);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}
.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: none;
  letter-spacing: 0.02em;
}

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

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text-muted);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ========================================
   STATS BAR
   ======================================== */

.stats-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-2);
}

/* ========================================
   SECTION COMMON
   ======================================== */

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-4);
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ========================================
   WHY LAVISTA
   ======================================== */

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.why-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.why-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.why-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: oklch(from var(--color-primary) l c h / 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.why-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ========================================
   INDUSTRIES GRID
   ======================================== */

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-12);
}

.industry-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.industry-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.industry-card--more {
  border-color: oklch(from var(--color-primary) l c h / 0.3);
  border-style: dashed;
}
.industry-card--more:hover {
  border-style: solid;
}

.industry-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: oklch(from var(--color-primary) l c h / 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.industry-card h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.industry-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

@media (max-width: 1100px) {
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; }
}

/* ========================================
   PROCESS (How It Works)
   ======================================== */

.process-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-top: var(--space-12);
}

.process-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.process-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.step h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========================================
   TESTIMONIAL / QUOTE
   ======================================== */

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

.quote-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.quote-mark {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 6rem);
  color: var(--color-primary);
  line-height: 1;
  opacity: 0.4;
}

.quote-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.quote-author {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ========================================
   CONTACT / FORM
   ======================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  margin-top: var(--space-12);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: start;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: oklch(from var(--color-primary) l c h / 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-item h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.contact-item p,
.contact-item a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.02em;
}
.form-submit:hover {
  background: var(--color-primary-hover);
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  text-align: center;
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer-links a:hover {
  color: var(--color-primary);
}

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 900px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero {
    min-height: 70vh;
    padding-top: calc(80px + var(--space-10));
  }
  .hero h1 { font-size: clamp(1.75rem, 1rem + 3vw, 2.75rem); }

  .stats-grid { grid-template-columns: 1fr; gap: var(--space-6); }

  .why-grid { grid-template-columns: 1fr; gap: var(--space-6); }

  .process-layout { grid-template-columns: 1fr; }
  .process-image { order: -1; }

  .contact-layout { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; gap: var(--space-4); text-align: center; }
}

@media (max-width: 600px) {
  .hero { min-height: 60vh; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}