/* ==========================================================================
   MAIN STREET PLUMBING — Concept build by WNTRS
   Dark neutral, high-trust, grounded service-business aesthetic.
   ========================================================================== */

:root {
  --ink: #18191a;
  --ink-deep: #0e0f0f;
  --ink-raised: #232525;
  --paper: #f5f2ec;
  --paper-dim: #cfccc4;
  --steel: #9a9d9f;
  --steel-dim: #6c6f71;
  --line: rgba(245, 242, 236, 0.13);
  --line-strong: rgba(245, 242, 236, 0.26);
  --accent: #4fa3b8;
  --accent-bright: #6fc0d4;

  --font: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --container: 1280px;
  --gutter: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}
button { font-family: inherit; background: none; border: none; cursor: pointer; color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
blockquote { margin: 0; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  background: var(--paper); color: var(--ink); padding: 12px 20px; font-weight: 600;
}
.skip-link:focus { left: 20px; top: 20px; }

.kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-bright);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-heading {
  font-family: var(--font);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
  font-size: clamp(30px, 4.6vw, 54px);
  color: var(--paper);
}

/* ---------- Concept strip / preloader / scroll progress ---------- */
.concept-strip {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1001;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
  text-align: center;
  padding: 8px var(--gutter);
}
.concept-strip p { margin: 0; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--steel); }
.concept-strip a { color: var(--accent-bright); text-decoration: underline; }

.preloader {
  position: fixed; inset: 0; z-index: 3000;
  background: var(--ink-deep);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__mark { font-family: var(--font); font-weight: 800; letter-spacing: 0.08em; font-size: 22px; color: var(--paper); }
.preloader__bar { width: 160px; height: 2px; background: var(--line); overflow: hidden; }
.preloader__bar span { display: block; width: 40%; height: 100%; background: var(--accent); animation: preload-sweep 1.1s ease-in-out infinite; }
@keyframes preload-sweep { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }

.scroll-progress { position: fixed; top: 0; left: 0; height: 2px; width: 0%; background: var(--accent); z-index: 1500; transition: width 0.1s linear; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: var(--concept-h, 34px); left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(24, 25, 26, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.site-header__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand__mark { font-family: var(--font); font-weight: 800; font-size: 19px; letter-spacing: -0.01em; color: var(--paper); white-space: nowrap; }
.brand__sub { font-size: 9px; letter-spacing: 0.3em; color: var(--accent-bright); text-transform: uppercase; margin-top: 3px; }

.primary-nav ul { display: flex; gap: 34px; }
.primary-nav a { font-size: 13px; letter-spacing: 0.02em; font-weight: 600; position: relative; padding-bottom: 4px; }
.primary-nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--accent-bright); transition: width 0.3s var(--ease); }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { width: 100%; }

.site-header__right { display: flex; align-items: center; gap: 20px; }
.header-phone { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; color: var(--steel); white-space: nowrap; }
.header-phone:hover { color: var(--paper); }

@media (max-width: 980px) { .primary-nav, .header-phone { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 28px; font-size: 13px; font-weight: 700; letter-spacing: 0.01em;
  white-space: nowrap; border-radius: 3px;
  transition: transform 0.35s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn span { display: inline-block; }
.btn--fill { background: var(--accent); color: var(--ink-deep); }
.btn--fill:hover { background: var(--accent-bright); }
.btn--line { border: 1px solid var(--line-strong); color: var(--paper); }
.btn--line:hover { border-color: var(--accent-bright); color: var(--accent-bright); }
.btn--text { position: relative; padding: 15px 4px; color: var(--paper); font-weight: 600; }
.btn--text::after { content: ""; position: absolute; left: 4px; right: 4px; bottom: 10px; height: 1px; background: var(--line-strong); transition: background 0.3s var(--ease); }
.btn--text:hover::after { background: var(--accent-bright); }

@media (hover: hover) and (pointer: fine) {
  .btn--magnetic:hover { transform: translateY(-2px); }
}

/* ---------- Mobile nav ---------- */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 32px; height: 24px; padding: 0; }
.nav-toggle span { display: block; width: 100%; height: 1.5px; background: var(--paper); transition: transform 0.35s var(--ease), opacity 0.25s var(--ease); }
.nav-toggle.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 980px) { .nav-toggle { display: flex; } }

.mobile-nav {
  position: fixed; inset: 0; z-index: 950;
  background: var(--ink-deep);
  display: flex; flex-direction: column; justify-content: center; gap: 30px;
  padding: 0 var(--gutter);
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease);
  visibility: hidden;
}
.mobile-nav.is-open { transform: translateY(0); visibility: visible; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 18px; }
.mobile-nav a { font-family: var(--font); font-weight: 800; font-size: 30px; letter-spacing: -0.01em; color: var(--paper); }
.mobile-nav a.btn { font-family: var(--font); font-size: 13px; font-weight: 700; }
.mobile-nav a.btn--fill { color: var(--ink-deep); }

/* ---------- Reveal utilities ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

[data-reveal-text] { overflow: hidden; }
[data-reveal-text] .word-line { display: block; transform: translateY(110%); opacity: 0; transition: transform 0.9s var(--ease-soft), opacity 0.9s var(--ease-soft); }
[data-reveal-text].is-visible .word-line { transform: translateY(0); opacity: 1; }

.mask { display: block; overflow: hidden; }
.mask__inner { display: block; transform: translateY(110%); transition: transform 1s var(--ease-soft); }
.hero.is-ready .mask__inner { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-text] .word-line, .mask__inner { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- Media frame helper ---------- */
.media-frame { position: relative; overflow: hidden; background: var(--ink-raised); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-soft); }

/* ---------- Hero ---------- */
.hero { position: relative; height: 100svh; min-height: 620px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 115%; object-fit: cover; object-position: center 70%; will-change: transform; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14,15,15,0.6) 0%, rgba(14,15,15,0.3) 32%, rgba(14,15,15,0.92) 100%); }
.hero__content { position: relative; z-index: 2; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter) clamp(56px, 8vw, 100px); width: 100%; }
.hero__headline { font-family: var(--font); font-weight: 800; letter-spacing: -0.02em; font-size: clamp(34px, 6.4vw, 78px); line-height: 1.02; color: var(--paper); margin-bottom: 24px; }
.hero__sub { max-width: 46ch; font-size: clamp(15px, 1.6vw, 18px); line-height: 1.65; color: var(--paper-dim); margin-bottom: 32px; }
.hero__ctas { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 26px; }
.hero__trust { font-size: 13px; letter-spacing: 0.03em; color: var(--steel); }

.hero__scroll-cue { position: absolute; right: clamp(20px, 4vw, 48px); bottom: 30px; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.hero__scroll-cue span { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--steel); writing-mode: vertical-rl; }
.hero__scroll-line { width: 1px; height: 46px; background: var(--line-strong); position: relative; overflow: hidden; }
.hero__scroll-line i { position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--accent-bright); animation: scroll-cue 2.2s var(--ease-soft) infinite; }
@keyframes scroll-cue { 0% { top: -100%; } 60% { top: 100%; } 100% { top: 100%; } }

@media (max-width: 640px) { .hero__scroll-cue { display: none; } }

/* ---------- Trust strip ---------- */
.trust { padding: clamp(30px, 4vw, 44px) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px 40px;
}
.trust__item { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; color: var(--paper-dim); }
.trust-icon { width: 22px; height: 22px; color: var(--accent-bright); flex-shrink: 0; }

/* ---------- Services ---------- */
.services { padding: clamp(80px, 11vw, 130px) 0; border-bottom: 1px solid var(--line); }
.services__header { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); margin-bottom: clamp(40px, 6vw, 60px); }
.services__note { color: var(--steel); font-size: 15px; max-width: 60ch; margin-top: 14px; }

.services__grid { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 40px; }
.service-card__media { aspect-ratio: 4 / 3; margin-bottom: 18px; border-radius: 3px; }
.service-card:hover .service-card__media img { transform: scale(1.05); }
.service-card__index { display: block; font-size: 13px; font-weight: 700; color: var(--accent-bright); margin-bottom: 8px; }
.service-card__title { font-size: 19px; font-weight: 800; color: var(--paper); margin-bottom: 8px; }
.service-card__desc { font-size: 14px; line-height: 1.6; color: var(--steel); }

.services__also { max-width: var(--container); margin: 0 auto; padding: 32px var(--gutter) 0; border-top: 1px solid var(--line); }
.services__also-label { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel-dim); margin-bottom: 14px; }
.services__also-list { display: flex; flex-wrap: wrap; gap: 12px; }
.services__also-list li { font-size: 13.5px; font-weight: 600; color: var(--paper-dim); border: 1px solid var(--line-strong); padding: 9px 16px; border-radius: 999px; }

@media (max-width: 980px) { .services__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .services__grid { grid-template-columns: 1fr; } }

/* ---------- Why Us ---------- */
.why-us { padding: clamp(80px, 11vw, 130px) 0; border-bottom: 1px solid var(--line); }
.why-us__inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.why-us__inner .section-heading { margin-bottom: clamp(40px, 6vw, 64px); max-width: 18ch; }
.why-us__list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 28px; }
.why-us__list li { border-top: 1px solid var(--line); padding-top: 22px; }
.why-us__num { display: block; font-size: 13px; font-weight: 800; color: var(--accent-bright); margin-bottom: 16px; }
.why-us__list h3 { font-size: 17px; font-weight: 800; color: var(--paper); margin-bottom: 10px; }
.why-us__list p { font-size: 13.5px; line-height: 1.6; color: var(--steel); }

@media (max-width: 980px) { .why-us__list { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .why-us__list { grid-template-columns: 1fr; } }

/* ---------- Problem / Fix ---------- */
.fix { padding: clamp(80px, 11vw, 130px) 0; border-bottom: 1px solid var(--line); }
.fix__header { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); text-align: center; margin-bottom: clamp(40px, 6vw, 60px); }
.fix__note { color: var(--steel); font-size: 15px; max-width: 60ch; margin: 14px auto 0; }

.fix__grid { max-width: 1000px; margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.fix__panel { margin: 0; }
.fix__media { aspect-ratio: 4 / 3; border-radius: 3px; }
.fix__panel figcaption { margin-top: 14px; text-align: center; }
.fix__tag { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 7px 16px; border-radius: 999px; }
.fix__tag--problem { background: var(--ink-raised); color: var(--steel); border: 1px solid var(--line-strong); }
.fix__tag--solution { background: var(--accent); color: var(--ink-deep); }

.fix__disclosure { max-width: 1000px; margin: 20px auto 0; padding: 0 var(--gutter); font-size: 12px; color: var(--steel-dim); text-align: center; }

@media (max-width: 640px) { .fix__grid { grid-template-columns: 1fr; } }

/* ---------- Reviews ---------- */
.reviews { padding: clamp(80px, 11vw, 130px) 0; border-bottom: 1px solid var(--line); }
.reviews__header { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); margin-bottom: clamp(40px, 6vw, 56px); }
.reviews__grid { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { border: 1px solid var(--line); padding: 28px; border-radius: 3px; display: flex; flex-direction: column; gap: 20px; height: 100%; }
.review-card__quote { font-size: 15.5px; line-height: 1.65; color: var(--paper-dim); }
.review-card__attr { font-size: 13px; font-weight: 700; color: var(--accent-bright); font-style: normal; }

.reviews__recognition { max-width: var(--container); margin: 32px auto 0; padding: 0 var(--gutter); font-size: 13px; color: var(--steel-dim); }

@media (max-width: 900px) { .reviews__grid { grid-template-columns: 1fr; } }

/* ---------- Service area ---------- */
.area { padding: clamp(50px, 7vw, 80px) 0; border-bottom: 1px solid var(--line); text-align: center; }
.area__inner { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.area__address { color: var(--steel); font-size: 14px; margin-top: 10px; }

/* ---------- Final CTA ---------- */
.final-cta { padding: clamp(90px, 13vw, 160px) 0; text-align: center; border-bottom: 1px solid var(--line); background: var(--ink-raised); }
.final-cta__inner { max-width: 720px; margin: 0 auto; padding: 0 var(--gutter); }
.final-cta__inner .section-heading { margin-bottom: 18px; font-size: clamp(32px, 5.4vw, 60px); }
.final-cta__sub { color: var(--steel); font-size: 16px; margin-bottom: 34px; }
.final-cta__actions { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact { padding: clamp(90px, 13vw, 150px) 0; border-bottom: 1px solid var(--line); }
.contact__inner { max-width: 720px; margin: 0 auto; padding: 0 var(--gutter); }
.contact__sub { color: var(--steel); font-size: 16px; margin: 18px 0 28px; }

.form-disclosure { font-size: 12.5px; line-height: 1.6; color: var(--steel-dim); border: 1px solid var(--line); padding: 14px 18px; margin-bottom: 34px; }
.form-disclosure a { color: var(--accent-bright); text-decoration: underline; }

.inquiry-form { display: flex; flex-direction: column; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel); font-weight: 700; }
.field input, .field select, .field textarea { background: transparent; border: none; border-bottom: 1px solid var(--line-strong); color: var(--paper); font-family: inherit; font-size: 15px; padding: 8px 0; resize: vertical; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='14' height='14'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%239a9d9f' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right center; }
.field select option { background: var(--ink); color: var(--paper); }
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: var(--accent-bright); outline: none; }
.inquiry-form .btn { align-self: flex-start; margin-top: 8px; }

.form-confirm { border: 1px solid var(--line-strong); padding: 30px; margin-top: 24px; border-radius: 3px; }
.form-confirm__title { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-bright); margin-bottom: 12px; font-weight: 800; }
.form-confirm__body { font-size: 14px; color: var(--steel); line-height: 1.6; margin-bottom: 20px; }

@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { padding: clamp(56px, 8vw, 84px) 0 30px; }
.site-footer__top { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); display: flex; justify-content: space-between; gap: 60px; flex-wrap: wrap; padding-bottom: 46px; border-bottom: 1px solid var(--line); }
.site-footer__brand .brand__mark { font-size: 22px; }
.site-footer__tag { font-size: 13px; color: var(--steel); margin-top: 10px; }
.site-footer__tag a:hover { color: var(--accent-bright); }
.site-footer__nav { display: flex; gap: 64px; }
.site-footer__heading { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel-dim); margin-bottom: 16px; }
.site-footer__nav ul { display: flex; flex-direction: column; gap: 10px; }
.site-footer__nav a, .site-footer__nav li { font-size: 14px; color: var(--paper-dim); }
.site-footer__nav a:hover { color: var(--accent-bright); }

.site-footer__disclosure { max-width: var(--container); margin: 28px auto 0; padding: 0 var(--gutter); }
.site-footer__disclosure p { font-size: 12px; line-height: 1.7; color: var(--steel-dim); max-width: 90ch; }

.site-footer__bottom { max-width: var(--container); margin: 28px auto 0; padding: 20px var(--gutter) 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-footer__bottom p { font-size: 12px; color: var(--steel-dim); }
.concept-build strong { color: var(--steel); }

@media (max-width: 640px) { .site-footer__top { flex-direction: column; gap: 36px; } .site-footer__nav { gap: 36px; } }

/* ---------- Overflow guard ---------- */
html, body { max-width: 100%; }
section { position: relative; }