/* ============================================
   Tillerstead.com — Unified Design System
   Modern, mobile-first contractor website
   NJ Home Improvement Contractor
   ============================================ */

/* 0) CSS Reset & Base
   ------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* 1) Design Tokens
   ------------------------------------------- */

:root {
  /* Brand Colors */
  --color-ink:           #0b1018;  /* Primary text */
  --color-ink-soft:      #4b5563;  /* Secondary text */
  --color-paper:         #f9fafb;  /* Page background */
  --color-surface:       #ffffff;  /* Cards, content areas */
  --color-surface-alt:   #020617;  /* Dark header/footer */
  --color-surface-muted: #f3f4f6;  /* Subtle backgrounds */
  
  --color-brass:         #d1a638;  /* Primary accent */
  --color-brass-dark:    #b4891f;  /* Hover state */
  --color-emerald:       #0f766e;  /* Secondary accent */
  --color-emerald-dark:  #0a4f49;  /* Hover state */
  
  /* Text on dark backgrounds */
  --color-text-on-dark:      #f9fafb;  /* Primary text on dark */
  --color-text-on-dark-muted: rgba(249, 250, 251, 0.85);  /* Muted text on dark */
  
  /* Borders & Shadows */
  --border-subtle:       #e5e7eb;
  --border-soft:         #d1d5db;
  --border-strong:       #111827;
  
  --shadow-sm:           0 6px 18px rgba(15, 23, 42, 0.12);
  --shadow-md:           0 12px 30px rgba(15, 23, 42, 0.16);
  --shadow-lg:           0 18px 45px rgba(15, 23, 42, 0.22);
  
  /* Typography Scale (Fluid) */
  --text-xs:   clamp(0.8rem, 0.76rem + 0.15vw, 0.875rem);
  --text-sm:   clamp(0.9rem, 0.85rem + 0.2vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
  --text-xl:   clamp(1.4rem, 1.2rem + 0.6vw, 1.75rem);
  --text-2xl:  clamp(1.8rem, 1.5rem + 1vw, 2.5rem);
  --text-3xl:  clamp(2.2rem, 1.8rem + 1.5vw, 3.25rem);
  
  /* Spacing Scale */
  --space-0:   0;
  --space-1:   0.25rem;   /* 4px */
  --space-2:   0.5rem;    /* 8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.5rem;    /* 24px */
  --space-8:   2rem;      /* 32px */
  --space-10:  2.5rem;    /* 40px */
  --space-12:  3rem;      /* 48px */
  --space-16:  4rem;      /* 64px */
  --space-20:  5rem;      /* 80px */
  
  /* Border Radius */
  --radius-sm:   0.375rem;  /* 6px */
  --radius-md:   0.5rem;    /* 8px */
  --radius-lg:   0.75rem;   /* 12px */
  --radius-xl:   1rem;      /* 16px */
  --radius-2xl:  1.25rem;   /* 20px */
  --radius-full: 9999px;    /* Pill shape */
  
  /* Layout */
  --container-max:  1120px;
  --container-pad:  clamp(1rem, 4vw, 1.5rem);
  
  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-base:   0.2s ease;
  --transition-slow:   0.3s ease;
  
  /* Z-index Scale (Layering Hierarchy) */
  --z-base:      0;      /* Normal document flow */
  --z-dropdown:  100;    /* Dropdowns, tooltips */
  --z-sticky:    200;    /* Sticky headers, floating elements */
  --z-overlay:   300;    /* Mobile nav overlay, backdrops */
  --z-modal:     400;    /* Modal dialogs */
  --z-toast:     500;    /* Notifications, alerts */
}

/* 2) Typography
   ------------------------------------------- */

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Main content always on light background */
main {
  background: var(--color-paper);
  min-height: 60vh;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Manrope", system-ui, sans-serif;
  margin: 0 0 var(--space-4);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  font-weight: 700;
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.1;
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1.15;
}

h3 {
  font-size: var(--text-xl);
  font-weight: 700;
}

h4 {
  font-size: var(--text-lg);
  font-weight: 700;
}

/* Paragraphs */
p {
  margin: 0 0 var(--space-4);
  color: var(--color-ink-soft);
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
  line-height: 1.5;
}

.microcopy,
.small {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* Links */
a {
  color: var(--color-emerald);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-emerald-dark);
}

a:focus-visible {
  outline: 3px solid var(--color-emerald);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Lists */
ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
}

/* 3) Layout Utilities
   ------------------------------------------- */

.container,
.shell {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-16);
}

.section--tight {
  padding-block: var(--space-12);
}

.section--loose {
  padding-block: var(--space-20);
}

.section--tint {
  background: var(--color-surface-muted);
}

.section--dark {
  background: var(--color-surface-alt);
  color: #e5e7eb;
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark p {
  color: inherit;
}

/* Stacks (vertical spacing) */
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-md > * + * { margin-top: var(--space-4); }
.stack-lg > * + * { margin-top: var(--space-6); }

/* Grids */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Alignment */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

/* Prose (long-form content) */
.prose {
  max-width: 68ch;
}

.prose p + p {
  margin-top: var(--space-4);
}

/* 4) Components — Cards
   ------------------------------------------- */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card--lift {
  box-shadow: var(--shadow-md);
  border: none;
}

.card--lift:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card--muted {
  background: var(--color-surface-muted);
}

.card--dark {
  background: var(--color-surface-alt);
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.3);
}

.card--dark p {
  color: rgba(229, 231, 235, 0.9);
}

.cards {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* 5) Components — Buttons
   ------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: 
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.btn:focus-visible {
  outline: 3px solid var(--color-emerald);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-brass);
  color: var(--color-ink);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 12px rgba(209, 166, 56, 0.3);
}

.btn-primary:hover {
  background: var(--color-brass-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(209, 166, 56, 0.4);
}

.btn-accent {
  background: var(--color-emerald);
  color: var(--color-surface);
  border-color: rgba(0, 0, 0, 0.1);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--border-soft);
}

.btn-ghost:hover {
  background: var(--color-surface-muted);
  border-color: var(--border-strong);
}

/* Small button variant */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

/* Full width on mobile */
@media (max-width: 640px) {
  .btn-mobile-full {
    width: 100%;
  }
}

/* 6) Components — Badges
   ------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.9);
  color: rgba(229, 231, 235, 0.95);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* 7) Components — Forms
   ------------------------------------------- */

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  font: inherit;
  font-size: var(--text-base);
  color: var(--color-ink);
  background: var(--color-surface);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-emerald);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(75, 85, 99, 0.6);
}

.form-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .form-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 8) Header & Navigation
   ------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-surface-alt);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.site-header-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0.875rem var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Logo */
.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.site-logo img {
  height: 44px;
  width: auto;
  display: block;
}

@media (max-width: 480px) {
  .site-logo img {
    height: 36px;
  }
}

/* Header Actions (nav toggle + call button) */
.site-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

/* Navigation Toggle (Hamburger) */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  color: #f9fafb;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--color-emerald);
  outline-offset: 2px;
}

.nav-toggle-bar {
  width: 22px;
  height: 2.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Animate hamburger to X when open */
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Call Button (hidden on mobile) */
.call-btn {
  display: none;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--color-brass);
  color: var(--color-ink);
  font-weight: 700;
  font-size: var(--text-sm);
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 12px rgba(209, 166, 56, 0.4);
  transition: all var(--transition-fast);
}

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

@media (min-width: 768px) {
  .call-btn {
    display: inline-flex;
  }
}

/* Navigation */
.site-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(2, 6, 23, 0.98);
  backdrop-filter: blur(8px);
  padding: 5rem 2rem 2rem;
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.site-nav.is-open {
  transform: translateY(0);
  opacity: 1;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.site-nav a {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-on-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.site-nav a[aria-current="page"] {
  color: var(--color-emerald);
  position: relative;
}

.site-nav a[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: var(--color-emerald);
  border-radius: 2px;
}

/* Desktop Navigation */
@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    inset: auto;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    overflow: visible;
    transform: none;
    opacity: 1;
    transition: none;
  }

  .site-nav ul {
    flex-direction: row;
    gap: var(--space-6);
  }

  .site-nav a {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    position: relative;
  }

  .site-nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-emerald);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
  }

  .site-nav a:hover::after,
  .site-nav a[aria-current="page"]::after {
    transform: scaleX(1);
  }

  .site-nav a[aria-current="page"]::before {
    display: none;
  }
}

/* Prevent body scroll when nav is open */
body.nav-open {
  overflow: hidden;
}

/* 9) Hero
   ------------------------------------------- */

.hero {
  padding-block: clamp(4rem, 10vw, 8rem);
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(209, 166, 56, 0.15), transparent),
    radial-gradient(900px 500px at 80% 10%, rgba(15, 118, 110, 0.12), transparent),
    linear-gradient(180deg, #020617 0%, #0b1120 50%, #020617 100%);
  color: #f9fafb;
}

.hero-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: grid;
  gap: var(--space-10);
}

@media (min-width: 768px) {
  .hero-inner {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: var(--space-12);
  }
}

.hero-eyebrow {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(249, 250, 251, 0.7);
  margin-bottom: var(--space-3);
}

.hero h1 {
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-5);
}

.hero .lead {
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-6);
}

.hero-note {
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-4);
}

.hero-note strong {
  color: var(--color-text-on-dark);
  font-weight: 700;
}

.text-light-subtle {
  color: var(--color-text-on-dark-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.hero-actions .btn {
  min-width: 220px;
}

@media (max-width: 640px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* Hero Secondary Card */
.hero-secondary {
  background: rgba(11, 16, 24, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.hero-secondary h3 {
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-4);
}

.hero-secondary p {
  color: var(--color-text-on-dark-muted);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
}

.hero-list {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0;
  display: grid;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
}

.hero-list li::before {
  content: "✓";
  margin-right: var(--space-3);
  color: var(--color-emerald);
  font-weight: 700;
}

/* Hero KPIs */
.hero-kpis {
  list-style: none;
  padding: 0;
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-4);
}

.hero-kpi {
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
  line-height: 1.5;
}

.hero-kpi strong {
  display: block;
  color: var(--color-text-on-dark);
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

/* 10) KPI Blocks
   ------------------------------------------- */

.kpis {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.kpi {
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--color-surface-muted);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.kpi strong {
  display: block;
  color: var(--color-ink);
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

/* 11) FAQ / Accordion
   ------------------------------------------- */

.faqs {
  margin-top: var(--space-6);
}

.faqs details {
  background: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: all var(--transition-base);
}

.faqs details + details {
  margin-top: var(--space-4);
}

.faqs details[open] {
  background: var(--color-surface-muted);
  border-color: var(--color-emerald);
  box-shadow: var(--shadow-sm);
}

.faqs summary {
  cursor: pointer;
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-ink);
  list-style: none;
  position: relative;
  padding-right: var(--space-8);
  user-select: none;
}

.faqs summary::-webkit-details-marker {
  display: none;
}

.faqs summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-brass);
  transition: transform var(--transition-base), color var(--transition-base);
}

.faqs details[open] summary::after {
  content: "−";
  color: var(--color-emerald);
  transform: rotate(180deg);
}

.faqs details > *:not(summary) {
  margin-top: var(--space-4);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faqs p {
  color: var(--color-ink-soft);
  line-height: 1.6;
}

/* 12) Footer
   ------------------------------------------- */

.site-footer {
  background: var(--color-surface-alt);
  color: var(--color-text-on-dark-muted);
  padding-block: var(--space-16);
  margin-top: var(--space-20);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer a {
  color: var(--color-text-on-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--color-brass);
}

.site-footer .container {
  text-align: center;
}

.footer-heading {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-4);
}

.footer-meta {
  font-size: var(--text-sm);
  color: rgba(249, 250, 251, 0.7);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.footer-meta:last-child {
  margin-bottom: 0;
}

address.footer-meta {
  font-style: normal;
}

/* 13) Utility Classes
   ------------------------------------------- */

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to main content */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-brass);
  color: var(--color-ink);
  font-weight: 700;
  border-radius: var(--radius-lg);
  z-index: var(--z-toast);
  transition: left var(--transition-fast);
}

.skip-link:focus {
  left: var(--space-4);
}

/* Spacing utilities */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-4) !important; }
.mt-2 { margin-top: var(--space-6) !important; }
.mt-3 { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-4) !important; }
.mb-2 { margin-bottom: var(--space-6) !important; }
.mb-3 { margin-bottom: var(--space-8) !important; }

.p-1 { padding: var(--space-4) !important; }
.p-2 { padding: var(--space-6) !important; }
.p-3 { padding: var(--space-8) !important; }

/* Misc */
.nowrap {
  white-space: nowrap;
}

.center {
  text-align: center;
}

/* 14) Project Gallery / Proof Grid
   ------------------------------------------- */

.proofgrid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: var(--space-8);
}

.proofgrid figure {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.proofgrid img {
  width: 100%;
  height: auto;
  display: block;
}

.proofgrid figcaption {
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.5;
}

/* 15) Licensing Grid (About/Credentials)
   ------------------------------------------- */

.licensing-grid {
  display: grid;
  gap: var(--space-10);
  align-items: start;
}

@media (min-width: 768px) {
  .licensing-grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

.licensing-card {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
}

.credential-list {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.credential-list dt {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.credential-list dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.6;
}

/* 16) Contact Form Specific
   ------------------------------------------- */

.contact-steps {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--color-surface-muted);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
}

.contact-steps ol {
  margin: 0;
  padding-left: var(--space-6);
}

.contact-steps li {
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

.contact-steps strong {
  color: var(--color-ink);
  font-weight: 700;
}

.form-note {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.5;
  margin: var(--space-5) 0;
  padding: var(--space-4);
  background: var(--color-surface-muted);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-emerald);
}

/* 17) Print Styles
   ------------------------------------------- */

@media print {
  .site-header,
  .site-footer,
  .site-nav,
  .nav-toggle,
  .call-btn,
  .btn {
    display: none !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  main {
    background: #ffffff;
  }

  a {
    text-decoration: underline;
    color: #000000;
  }

  .hero {
    background: var(--color-surface);
    color: var(--color-ink);
  }

  .hero h1,
  .hero p {
    color: var(--color-ink);
  }
}