/* M&S Plumbing — styles */

:root {
  --navy: #0f2444;
  --navy-deep: #0a1a33;
  --navy-soft: #1b3a6b;
  --accent: #c8102e;       /* Texas red */
  --accent-dark: #9d0c24;
  --ink: #14202e;
  --muted: #5a6b80;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(15, 36, 68, 0.06), 0 2px 8px rgba(15, 36, 68, 0.04);
  --shadow: 0 6px 18px rgba(15, 36, 68, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 36, 68, 0.18);
  --max: 1160px;
  --pad: clamp(1rem, 4vw, 2rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

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

h1, h2, h3, h4 { font-family: inherit; line-height: 1.2; color: var(--navy); margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }
p  { margin: 0 0 1em; color: var(--ink); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 0.6rem 1rem; z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px;
}
.brand {
  display: inline-flex; align-items: baseline; gap: 0.4rem;
  font-weight: 800; color: var(--navy); letter-spacing: -0.02em;
}
.brand-mark {
  background: var(--navy);
  color: #fff;
  padding: 0.25rem 0.55rem;
  border-radius: 8px;
  font-size: 1.1rem;
  letter-spacing: 0;
}
.brand-name { font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--navy); }

.primary-nav { display: flex; align-items: center; gap: 1.5rem; }
.primary-nav ul { list-style: none; display: flex; gap: 1.5rem; padding: 0; margin: 0; }
.primary-nav a { font-weight: 500; color: var(--ink); }
.primary-nav a:hover { color: var(--accent); }

.header-cta { padding: 0.55rem 1rem; font-size: 0.95rem; }
.header-cta .icon { width: 16px; height: 16px; }

.nav-toggle {
  display: none; border: 0; background: transparent;
  width: 44px; height: 44px; padding: 10px; cursor: pointer;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .primary-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 1rem var(--pad);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  .primary-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .primary-nav ul { flex-direction: column; gap: 0; }
  .primary-nav li { border-bottom: 1px solid var(--line); }
  .primary-nav a { display: block; padding: 0.9rem 0; }
  .header-cta { margin-top: 0.5rem; text-align: center; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px; font-weight: 600;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .2s, color .2s, border-color .2s, box-shadow .2s;
  text-align: center; line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.65), 0 0 0 6px var(--accent);
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}
.btn-lg { padding: 0.95rem 1.6rem; font-size: 1.05rem; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 90% -10%, rgba(200,16,46,0.18), transparent 60%),
    linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 60%, var(--navy-soft) 100%);
  color: #fff;
}
.hero h1, .hero h2, .hero h3 { color: #fff; }
.hero-inner {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem;
  padding-top: clamp(3rem, 7vw, 5.5rem); padding-bottom: clamp(3rem, 7vw, 5.5rem);
  align-items: center;
}
.hero .lead { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 56ch; }
.eyebrow {
  display: inline-block; text-transform: uppercase;
  letter-spacing: 0.16em; font-size: 0.78rem; font-weight: 700;
  color: var(--accent); margin: 0 0 0.6rem;
}
.hero .eyebrow { color: #ffd5dc; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.5rem; }
.hero-ctas .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.hero-ctas .btn-ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.hero-badges {
  list-style: none; padding: 0; margin: 1.75rem 0 0;
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.hero-badges li {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.4rem 0.8rem; border-radius: 999px;
  font-size: 0.85rem; color: rgba(255,255,255,0.92);
}

.hero-art { display: grid; place-items: center; }
.hero-card {
  position: relative;
  width: min(380px, 92%);
  aspect-ratio: 1 / 1;
  background: linear-gradient(160deg, #0a1a33 0%, #0f2444 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; text-align: center; padding: 2rem;
  overflow: hidden;
}
.hero-tx {
  position: absolute; inset: 0;
  background-color: rgba(255, 255, 255, 0.14);
  -webkit-mask: url(/images/texas-outline.png) center/74% no-repeat;
          mask: url(/images/texas-outline.png) center/74% no-repeat;
  pointer-events: none;
}
.hero-card-mark {
  position: relative;
  font-size: clamp(3rem, 8vw, 4.5rem); font-weight: 800; letter-spacing: -0.04em;
  line-height: 1;
}
.hero-card-sub {
  position: relative;
  font-size: 1.25rem; letter-spacing: 0.4em; font-weight: 600;
  margin-top: 0.25rem;
}
.hero-card-rule {
  position: relative;
  width: 60px; height: 2px; background: var(--accent);
  margin: 1rem 0 0.6rem;
}
.hero-card-tag {
  position: relative;
  font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-art { order: -1; }
}

/* ---------- Quick contact bar ---------- */
.quickbar { background: var(--bg-alt); border-bottom: 1px solid var(--line); }
.quickbar-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  padding: 1rem 0;
}
.quick-item {
  display: flex; flex-direction: column; gap: 0.1rem;
  padding: 0.5rem 0.75rem; color: var(--ink);
  border-left: 3px solid var(--accent);
}
.quick-item strong { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--navy); }
.quick-item span { font-size: 0.98rem; }
@media (max-width: 720px) { .quickbar-inner { grid-template-columns: 1fr 1fr; } }

/* ---------- Sections ---------- */
.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section-sub { color: var(--muted); font-size: 1.05rem; }

.grid { display: grid; gap: 1.25rem; }
.services-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #cfd8e4; }
.card-icon {
  width: 48px; height: 48px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(15, 36, 68, 0.06);
  color: var(--navy);
  margin-bottom: 1rem;
  transition: background .2s, color .2s;
}
.card-icon svg { width: 26px; height: 26px; }
.card:hover .card-icon { background: var(--navy); color: #fff; }
.card h3 { margin-bottom: 0.35rem; }
.card p { color: var(--muted); margin: 0; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.check-list li {
  position: relative; padding-left: 1.8rem; margin: 0.5rem 0;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: #fff; background: var(--accent);
  width: 1.25rem; height: 1.25rem; border-radius: 50%;
  display: grid; place-items: center; font-size: 0.8rem; font-weight: 700;
}
.stat-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; text-align: center; box-shadow: var(--shadow-sm);
}
.stat strong { display: block; font-size: 2rem; color: var(--navy); font-weight: 800; }
.stat span { color: var(--muted); font-size: 0.92rem; }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Projects ---------- */
.projects-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.project {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--accent);
  transition: transform .15s ease, box-shadow .2s ease;
}
.project:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.project-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.5rem;
}
.project p { color: var(--muted); margin: 0; }

/* ---------- Gallery / Carousel ---------- */
.carousel {
  position: relative;
  display: flex; align-items: center;
  gap: 0.5rem;
}
.carousel-viewport {
  flex: 1; overflow: hidden;
  border-radius: var(--radius);
  background: #0a1a33;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  height: 320px;        /* JS overwrites this immediately based on width × aspect ratio */
  min-height: 220px;
  transition: height 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.carousel-track {
  list-style: none; padding: 0; margin: 0;
  display: flex;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}
.carousel-track li {
  flex: 0 0 100%;
  position: relative;
  overflow: hidden;
  height: 100%;
  background: #0a1a33;
}
/* Blurred fill only shows when an image's aspect ratio is more extreme
   than our min/max viewport bounds. Otherwise it's hidden under the
   perfectly-fitted image. */
.carousel-track li::before {
  content: "";
  position: absolute; inset: -8%;
  background-image: var(--bg-img);
  background-size: cover;
  background-position: center;
  filter: blur(28px) brightness(0.55) saturate(1.1);
  z-index: 0;
}
.carousel-track img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.carousel-track img.loaded { opacity: 1; }

.carousel-btn {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%; border: 1px solid var(--line);
  background: #fff; color: var(--navy);
  cursor: pointer; padding: 0;
  display: grid; place-items: center;
  box-shadow: var(--shadow-sm);
  transition: background .2s, color .2s, transform .15s;
}
.carousel-btn svg { width: 22px; height: 22px; }
.carousel-btn:hover { background: var(--navy); color: #fff; transform: translateY(-1px); }
.carousel-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.carousel-btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px rgba(15,36,68,0.2);
}

.carousel-dots {
  display: flex; gap: 0.5rem; justify-content: center;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.carousel-dots button {
  width: 10px; height: 10px;
  border-radius: 50%; border: 0; padding: 0;
  background: rgba(15, 36, 68, 0.2);
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.carousel-dots button[aria-current="true"] {
  background: var(--accent); transform: scale(1.3);
}
.carousel-dots button:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

.carousel-skeleton {
  width: 100%; aspect-ratio: 16 / 10;
  background: linear-gradient(90deg, #eef2f7 0%, #f7f9fc 50%, #eef2f7 100%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.4s infinite;
}
@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 720px) {
  .carousel-btn { width: 38px; height: 38px; }
  .carousel-btn svg { width: 18px; height: 18px; }
}

/* ---------- Service area ---------- */
.area-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; }
.city-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem;
}
.city-list li {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 0.75rem; text-align: center; font-weight: 500; color: var(--navy);
}
@media (max-width: 720px) {
  .area-grid { grid-template-columns: 1fr; }
  .city-list { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.contact-list li {
  display: flex; flex-direction: column; padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.contact-list li:last-child { border-bottom: 0; }
.ci-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.contact-list a { color: var(--navy); }
.contact-list a:hover { color: var(--accent); }

.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 1.75rem; box-shadow: var(--shadow);
  display: grid; gap: 0.85rem;
}
.contact-form h3 { margin-top: 0; }
.contact-form label { display: grid; gap: 0.35rem; font-weight: 500; font-size: 0.92rem; color: var(--navy); }
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: inherit; padding: 0.7rem 0.85rem;
  border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 0; border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15,36,68,0.12);
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.88rem; color: var(--muted); margin: 0.25rem 0 0; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,0.8); padding: 3rem 0 1.5rem; margin-top: 2rem; }
.site-footer h4 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 0.85rem; }
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: #fff; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.brand-footer .brand-mark { background: #fff; color: var(--navy); }
.brand-footer .brand-name { color: #fff; }
.foot-list { list-style: none; padding: 0; margin: 0; }
.foot-list li { margin: 0.4rem 0; }
.licenses { font-size: 0.85rem; opacity: 0.7; margin-top: 0.5rem; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 2rem; padding-top: 1.25rem; opacity: 0.7; }
@media (max-width: 720px) { .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- Floating call button ---------- */
.floating-call {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 40;
  background: var(--accent); color: #fff;
  padding: 0.85rem 1.1rem; border-radius: 999px;
  font-weight: 700; box-shadow: var(--shadow-lg);
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: transform .15s, background .2s;
}
.floating-call .icon { width: 18px; height: 18px; }
.floating-call:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }
@media (min-width: 861px) { .floating-call { display: none; } }