/* ===== Empower Solution FK — Impact Windows & Doors ===== */

:root {
  --lime: #bfd700;
  --lime-dark: #99ac00;
  --lime-light: #f6f9dc;
  --charcoal: #262524;
  --charcoal-dark: #171614;
  --gray-900: #201f1d;
  --gray-700: #57544f;
  --gray-500: #7d7972;
  --gray-200: #e6e3df;
  --gray-100: #f6f5f2;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 19, 18, 0.12);
  --font-head: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

[id] { scroll-margin-top: 96px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--charcoal);
  line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:active { transform: translateY(0) scale(0.97); }
.btn-primary {
  background: var(--lime);
  color: var(--charcoal);
  box-shadow: 0 8px 20px rgba(191, 215, 0, 0.35);
}
.btn-primary:hover { background: var(--lime-dark); transform: translateY(-2px); }
.btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.btn-lg { padding: 15px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out;
  pointer-events: none;
}
@keyframes ripple-anim {
  to { transform: scale(3.2); opacity: 0; }
}

.btn.is-loading { pointer-events: none; opacity: 0.85; }
.btn.is-loading .btn-label { visibility: hidden; }
.btn.is-loading::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(38, 37, 36, 0.25);
  border-top-color: var(--charcoal);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Top bar */
.topbar {
  background: var(--charcoal-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
  gap: 12px;
  flex-wrap: wrap;
}
.topbar-info { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar-info a:hover { color: var(--lime); }
.icon { margin-right: 4px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(20, 19, 18, 0.08);
  transition: box-shadow 0.25s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 24px;
  gap: 20px;
  transition: padding 0.25s ease;
}
.site-header.scrolled .nav-inner { padding: 6px 24px; }
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-img {
  height: 84px;
  width: auto;
  display: block;
  transition: height 0.25s ease;
}
.site-header.scrolled .logo-img { height: 60px; }
.logo-tagline {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--gray-500);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.95rem;
  transition: color 0.2s ease;
  position: relative;
  padding-bottom: 4px;
}
.main-nav a:hover { color: var(--charcoal); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--lime);
  border-radius: 2px;
  transition: right 0.25s ease;
}
.main-nav a:hover::after { right: 0; }
.main-nav a.active {
  color: var(--charcoal);
  font-weight: 700;
}
.main-nav a.active::after { right: 0; }

.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--charcoal) 0%, var(--charcoal-dark) 100%);
  color: var(--white);
  padding: 90px 0 70px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.7;
}
.hero-bg svg { width: 100%; height: 100%; }

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  color: var(--gray-700);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hero .eyebrow { color: var(--lime); }

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  color: var(--white);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--lime); }

.hero-copy p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 30px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(191, 215, 0, 0.12);
  border: 1px solid rgba(191, 215, 0, 0.4);
  color: var(--lime);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.brand-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  flex-shrink: 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 24px;
}
.stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--white);
}
.stat span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
}

.hero-copy { animation: fadeInUp 0.8s ease both; }
.hero-visual { animation: fadeInUp 0.8s ease 0.15s both; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

.hero-visual { position: relative; display: flex; justify-content: center; min-width: 0; }
.window-card {
  position: relative;
  width: 420px;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
  transition: transform 0.2s ease;
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Trust bar */
.trust-bar {
  background: var(--lime-light);
  border-bottom: 1px solid var(--gray-200);
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 36px;
  justify-content: center;
  padding: 18px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--charcoal);
}
.trust-item span { color: var(--charcoal); margin-right: 6px; }
.trust-item {
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.trust-item:hover { background: rgba(153, 172, 0, 0.12); transform: translateY(-2px); }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

.grid > .reveal:nth-child(1) { transition-delay: 0s; }
.grid > .reveal:nth-child(2) { transition-delay: 0.08s; }
.grid > .reveal:nth-child(3) { transition-delay: 0.16s; }
.grid > .reveal:nth-child(4) { transition-delay: 0.24s; }
.grid > .reveal:nth-child(5) { transition-delay: 0.32s; }
.grid > .reveal:nth-child(6) { transition-delay: 0.4s; }

.process-grid > .reveal:nth-child(1) { transition-delay: 0s; }
.process-grid > .reveal:nth-child(2) { transition-delay: 0.1s; }
.process-grid > .reveal:nth-child(3) { transition-delay: 0.2s; }
.process-grid > .reveal:nth-child(4) { transition-delay: 0.3s; }
.process-grid > .reveal:nth-child(5) { transition-delay: 0.4s; }

/* Mouse tilt */
.tilt {
  transition: transform 0.15s ease, box-shadow 0.25s ease;
  will-change: transform;
}

/* Sections */
.section { padding: 90px 0; }
.section-alt { background: var(--gray-100); }

.section-head {
  max-width: 680px;
  margin: 0 auto 50px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 14px;
}
.section-head p { color: var(--gray-700); }

/* Grid / cards */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  background: var(--lime-light);
  border-radius: 14px;
  margin-bottom: 18px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--gray-700); font-size: 0.95rem; }
.card-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--lime-light);
  color: var(--charcoal);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Why section */
.why-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.why-copy p { color: var(--gray-700); margin-bottom: 26px; max-width: 520px; }
.benefit-list { display: flex; flex-direction: column; gap: 18px; }
.benefit-list li { display: flex; gap: 14px; align-items: flex-start; }
.benefit-list .check {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  margin-top: 2px;
}
.benefit-list strong { display: block; color: var(--charcoal); margin-bottom: 2px; }
.benefit-list p { margin: 0; color: var(--gray-700); font-size: 0.92rem; }

.stormcard {
  background: linear-gradient(160deg, var(--charcoal), var(--charcoal-dark));
  border-radius: 20px;
  padding: 30px;
  color: var(--white);
  box-shadow: var(--shadow);
}
.stormcard-top { font-weight: 600; margin-bottom: 24px; color: rgba(255,255,255,0.85); }
.stormcard-bars {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  height: 160px;
  margin-bottom: 18px;
}
.bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, #b9b6b2, #8a8683);
  border-radius: 8px 8px 0 0;
}
.bar-safe { background: linear-gradient(180deg, var(--lime), var(--lime-dark)); }
.stormcard-foot { font-size: 0.85rem; color: rgba(255,255,255,0.7); }

/* PGT Sparta spotlight */
.sparta-section {
  background: linear-gradient(160deg, var(--charcoal), var(--charcoal-dark));
  color: var(--white);
}
.sparta-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
}
.sparta-section .eyebrow { color: var(--lime); }
.sparta-copy h2 { color: var(--white); margin-bottom: 16px; }
.sparta-copy > p { color: rgba(255, 255, 255, 0.82); margin-bottom: 28px; max-width: 560px; }
.sparta-plaque {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(191, 215, 0, 0.4);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow);
}
.sparta-plaque-maker {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.08em;
}
.sparta-plaque-name {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--lime);
  letter-spacing: 0.04em;
  margin: 6px 0;
}
.sparta-plaque-sub {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sparta-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.sparta-feature strong { display: block; color: var(--lime); font-size: 0.92rem; margin-bottom: 4px; }
.sparta-feature p { margin: 0; color: rgba(255, 255, 255, 0.75); font-size: 0.85rem; }

/* Door showcase */
.door-grid { grid-template-columns: repeat(4, 1fr); }
.door-card {
  text-align: center;
  outline: none;
  border-radius: 20px;
}
.door-card:focus-visible { box-shadow: 0 0 0 3px var(--lime-dark); }

.door-stage {
  position: relative;
  height: 280px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--charcoal), var(--charcoal-dark));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  perspective: 1100px;
  margin-bottom: 16px;
  cursor: pointer;
}

.door-opening { position: absolute; inset: 14px; border-radius: 6px; overflow: hidden; }
.door-reveal {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  text-align: left;
  background: linear-gradient(160deg, #332f27, #1b1a16);
}
.door-reveal h5 {
  color: var(--lime);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.door-reveal ul { display: flex; flex-direction: column; gap: 7px; }
.door-reveal li {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.85);
  padding-left: 18px;
  position: relative;
  line-height: 1.3;
}
.door-reveal li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lime);
  font-weight: 700;
}

.door-panel {
  position: absolute;
  top: 0;
  bottom: 0;
  box-shadow: 0 20px 40px rgba(0,0,0,0.45);
  transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.door-panel::before {
  content: "";
  position: absolute;
  inset: 16px 16px 42% 16px;
  background: linear-gradient(155deg, #dfe7ea 0%, #aab3b8 60%, #7d868b 100%);
  border-radius: 4px;
  opacity: 0.92;
}
.door-panel::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 7px;
  height: 32px;
  border-radius: 4px;
  background: var(--lime);
  transform: translateY(-50%);
}

/* Entry door: single panel, hinged on the left */
.door-panel-entry {
  left: 14px; right: 14px;
  background: linear-gradient(135deg, var(--gray-500), var(--charcoal));
  transform-origin: left center;
}
.door-panel-entry::after { right: 14px; }
.door-card:hover .door-panel-entry,
.door-card:focus-visible .door-panel-entry,
.door-card.open .door-panel-entry { transform: rotateY(-88deg); }

/* French doors: two panels swinging open from the center */
.door-panel-french-left,
.door-panel-french-right {
  width: calc(50% - 14px);
  background: linear-gradient(135deg, var(--gray-500), var(--charcoal));
}
.door-panel-french-left { left: 14px; transform-origin: left center; }
.door-panel-french-right { right: 14px; transform-origin: right center; }
.door-panel-french-left::after { right: 10px; }
.door-panel-french-right::after { left: 10px; }
.door-card:hover .door-panel-french-left,
.door-card:focus-visible .door-panel-french-left,
.door-card.open .door-panel-french-left { transform: rotateY(-88deg); }
.door-card:hover .door-panel-french-right,
.door-card:focus-visible .door-panel-french-right,
.door-card.open .door-panel-french-right { transform: rotateY(88deg); }

/* Sliding door: glides sideways instead of swinging */
.door-panel-sliding {
  left: 14px; right: 14px;
  background: linear-gradient(135deg, var(--gray-500), var(--charcoal));
}
.door-panel-sliding::after { right: 14px; }
.door-card:hover .door-panel-sliding,
.door-card:focus-visible .door-panel-sliding,
.door-card.open .door-panel-sliding { transform: translateX(calc(-100% - 20px)); }

/* Storefront: single panel with a mullion grid over the glass */
.door-panel-storefront {
  left: 14px; right: 14px;
  background: linear-gradient(135deg, var(--gray-500), var(--charcoal));
  transform-origin: left center;
}
.door-panel-storefront::before {
  background-image:
    repeating-linear-gradient(90deg, var(--charcoal) 0 2px, transparent 2px calc(100% / 3)),
    repeating-linear-gradient(0deg, var(--charcoal) 0 2px, transparent 2px calc(100% / 3)),
    linear-gradient(155deg, #dfe7ea 0%, #aab3b8 60%, #7d868b 100%);
}
.door-panel-storefront::after { right: 14px; }
.door-card:hover .door-panel-storefront,
.door-card:focus-visible .door-panel-storefront,
.door-card.open .door-panel-storefront { transform: rotateY(-88deg); }

.door-label { font-size: 1.05rem; margin-bottom: 4px; }
.door-hint { display: block; font-size: 0.8rem; color: var(--gray-500); }
.hint-tap { display: none; }
@media (hover: none) {
  .hint-hover { display: none; }
  .hint-tap { display: block; }
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--gray-200);
}
.step-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--charcoal);
  font-family: var(--font-head);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { font-size: 0.88rem; color: var(--gray-700); }

/* Testimonials */
.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 30px;
}
.stars { color: var(--lime-dark); font-size: 1.1rem; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial p { color: var(--gray-700); font-style: italic; margin-bottom: 18px; }
.author { font-weight: 600; color: var(--charcoal); font-size: 0.9rem; }

/* Testimonial slider */
.testimonial-slider { max-width: 760px; margin: 0 auto; overflow: hidden; }
.testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
}
.testimonial-track .testimonial {
  min-width: 100%;
  flex-shrink: 0;
  text-align: center;
  padding: 40px 20px;
}
.testimonial-track .stars { justify-content: center; }
.testimonial-track .testimonial p {
  font-size: 1.1rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-top: 10px;
}
.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--gray-200);
  background: var(--white);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--charcoal);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.slider-btn:hover { background: var(--charcoal); color: var(--white); border-color: var(--charcoal); transform: scale(1.08); }
.slider-dots { display: flex; gap: 8px; }
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-200);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.25s ease, width 0.25s ease, border-radius 0.25s ease;
}
.dot:hover { background: var(--charcoal); }
.dot.active { background: var(--lime); width: 26px; border-radius: 6px; }

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--charcoal);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  font-size: 1.2rem;
  color: var(--lime-dark);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin-top: 12px; color: var(--gray-700); font-size: 0.95rem; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(120deg, var(--charcoal), var(--charcoal-dark));
  color: var(--white);
}
.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 50px 24px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); font-size: 1.6rem; margin-bottom: 6px; }
.cta-banner p { color: rgba(255,255,255,0.9); }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
}
.contact-info p { color: var(--gray-700); margin-bottom: 26px; max-width: 460px; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 10px; color: var(--gray-700); font-weight: 500; }
.contact-list a:hover { color: var(--charcoal); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--gray-100);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--charcoal);
  background: var(--white);
}
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #d1483f;
  background: #fff5f4;
}
.field-error {
  display: block;
  min-height: 1.1em;
  margin-top: 6px;
  font-size: 0.78rem;
  color: #d1483f;
}
.shake { animation: shake 0.4s ease; }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}
.form-note { margin-top: 14px; font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-note.success { color: #1a8a4a; }
.form-note.error { color: #d1483f; }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--charcoal);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease, visibility 0.25s;
  z-index: 90;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--lime); color: var(--charcoal); }

/* Footer */
.site-footer { background: var(--charcoal-dark); color: rgba(255,255,255,0.75); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 24px 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-logo-img { height: 64px; width: auto; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.6); max-width: 300px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 6px; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.65); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--lime); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 24px;
  font-size: 0.82rem;
  text-align: center;
  color: rgba(255,255,255,0.55);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy p { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 20px; }
  .why-inner { grid-template-columns: 1fr; }
  .why-copy p { margin-left: auto; margin-right: auto; }
  .sparta-inner { grid-template-columns: 1fr; text-align: center; }
  .sparta-copy > p { margin-left: auto; margin-right: auto; }
  .sparta-plaque { max-width: 320px; margin: 0 auto; }
  .door-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    box-shadow: 0 12px 20px rgba(20,19,18,0.1);
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .grid-3 { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .topbar-inner { justify-content: center; text-align: center; }
  .topbar-tag { display: none; }
  .logo-img { height: 60px; }
  .logo-tagline { display: none; }
  .hero { padding: 60px 0 50px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .sparta-features { grid-template-columns: 1fr; }
  .door-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner-inner { text-align: center; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { align-items: center; }
}