/* ══════════════════════════════════════════════════════
   GRAHAM ISEDALE PLUMBING — styles.css
   ══════════════════════════════════════════════════════ */

:root {
  --orange:        #E87722;
  --orange-dark:   #C96510;
  --orange-light:  #F0A060;
  --navy:          #1C2B3A;
  --navy-light:    #2A3F55;
  --navy-mid:      #243447;
  --white:         #FFFFFF;
  --gray-light:    #F7F8FA;
  --gray-mid:      #E5E7EB;
  --gray-border:   #D1D5DB;
  --text-dark:     #1C2B3A;
  --text-mid:      #4A5568;
  --text-light:    #718096;
  --font-heading:  'Montserrat', sans-serif;
  --font-body:     'Open Sans', sans-serif;
  --nav-h:         80px;
  --max-w:         1200px;
  --pad-x:         clamp(1.25rem, 4vw, 3rem);
  --section-pad:   clamp(4rem, 7vw, 6rem);
  --radius:        6px;
  --radius-lg:     12px;
  --transition:    0.22s ease;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--white);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* ── UTILITIES ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn--orange { background: var(--orange); color: var(--white); border: 2px solid var(--orange); }
.btn--orange:hover { background: var(--orange-dark); border-color: var(--orange-dark); transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.6); }
.btn--outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn--full { width: 100%; }

/* ── HEADER ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.header__logo { display: flex; flex-direction: column; line-height: 1; gap: 1px; flex-shrink: 0; }
.header__logo-name { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; color: var(--white); letter-spacing: -0.01em; }
.header__logo-sub { font-family: var(--font-heading); font-size: 0.55rem; font-weight: 700; letter-spacing: 0.28em; color: var(--orange); text-transform: uppercase; }

.header__links { display: flex; gap: 2rem; margin-left: auto; }
.header__links a {
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; color: rgba(255,255,255,0.85);
  transition: color var(--transition); position: relative;
}
.header__links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--orange);
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.header__links a:hover { color: var(--white); }
.header__links a:hover::after { transform: scaleX(1); }

.header__phone {
  font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700;
  color: var(--white); background: var(--orange); padding: 0.55rem 1.1rem;
  border-radius: var(--radius); transition: background var(--transition); flex-shrink: 0;
}
.header__phone:hover { background: var(--orange-dark); }

.header__burger { display: none; flex-direction: column; gap: 5px; padding: 6px; margin-left: auto; }
.header__burger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); transform-origin: center; }
.header.open .header__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header.open .header__burger span:nth-child(2) { opacity: 0; }
.header.open .header__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--navy);
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero__bg-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(232,119,34,0.18) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, #1a3550 100%);
  opacity: 0.9;
}

.hero__content {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  flex: 1; max-width: var(--max-w); margin-inline: auto; width: 100%;
  padding: clamp(4rem, 8vw, 7rem) var(--pad-x) 3rem;
}

.hero__eyebrow { font-family: var(--font-heading); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--orange); margin-bottom: 1rem; }
.hero__heading { font-family: var(--font-heading); font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; line-height: 1.1; color: var(--white); margin-bottom: 1.5rem; max-width: 600px; }
.hero__sub { font-size: 1.05rem; line-height: 1.7; color: rgba(255,255,255,0.75); max-width: 520px; margin-bottom: 2.5rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__info-bar {
  position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 0;
  background: rgba(255,255,255,0.06); border-top: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(4px);
}
.hero__info-item { display: flex; align-items: center; gap: 0.6rem; padding: 1.1rem var(--pad-x); font-family: var(--font-heading); font-size: 0.8rem; font-weight: 600; color: rgba(255,255,255,0.85); }
.hero__info-icon { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }
.hero__info-divider { width: 1px; height: 36px; background: rgba(255,255,255,0.15); }

/* ── ABOUT ── */
.about { padding-block: var(--section-pad); background: var(--white); }
.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 6vw, 5rem); align-items: center; }

.about__body { color: var(--text-mid); margin-bottom: 1rem; line-height: 1.75; }

.about__details {
  display: flex; flex-direction: column; gap: 0.6rem;
  margin: 1.75rem 0 2rem; padding: 1.5rem;
  background: var(--gray-light); border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.about__detail { display: flex; gap: 0.75rem; font-size: 0.88rem; color: var(--text-mid); }
.about__detail a { color: var(--orange); font-weight: 600; transition: color var(--transition); }
.about__detail a:hover { color: var(--orange-dark); }
.about__detail-label { font-family: var(--font-heading); font-weight: 700; font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--navy); min-width: 70px; }

.about__media { position: relative; display: grid; grid-template-rows: 1fr 1fr; gap: 1rem; height: 440px; }
.about__img { border-radius: var(--radius-lg); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.about__img--top { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); }
.about__img--bottom { background: linear-gradient(135deg, var(--orange-dark) 0%, var(--orange) 100%); }
.about__img-inner { display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; padding: 2rem; color: rgba(255,255,255,0.7); font-family: var(--font-heading); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.about__img-inner svg { width: 64px; height: 64px; opacity: 0.7; }
.about__dots { position: absolute; bottom: -24px; right: -24px; width: 100px; height: 100px; background-image: radial-gradient(circle, var(--orange) 2px, transparent 2px); background-size: 14px 14px; opacity: 0.35; pointer-events: none; }

/* ── SERVICES ── */
.services { padding-block: var(--section-pad); background: var(--gray-light); }
.services__header { text-align: center; max-width: 640px; margin-inline: auto; margin-bottom: 3.5rem; }
.services__intro { color: var(--text-mid); font-size: 1rem; margin-top: 0.5rem; }
.services__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }

.service-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.07); transition: transform var(--transition), box-shadow var(--transition); }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.12); }
.service-card__img { position: relative; height: 180px; display: flex; align-items: center; justify-content: center; }
.service-card__img--plumbing { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); }
.service-card__img--gas { background: linear-gradient(135deg, var(--orange-dark) 0%, var(--orange) 100%); }
.service-card__img--maintenance { background: linear-gradient(135deg, #2a4a2a 0%, #3a6b3a 100%); }
.service-card__img--renovations { background: linear-gradient(135deg, #243060 0%, #374a8a 100%); }
.service-card__img--excavation { background: linear-gradient(135deg, #4a3010 0%, #7a5520 100%); }
.service-card__icon { width: 64px; height: 64px; opacity: 0.7; }
.service-card__body { padding: 1.5rem; }
.service-card__title { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 0.6rem; }
.service-card__desc { font-size: 0.88rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 1rem; }
.service-card__link { font-family: var(--font-heading); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--orange); transition: color var(--transition); }
.service-card__link:hover { color: var(--orange-dark); }

/* ── WHY US ── */
.why-us { padding-block: var(--section-pad); background: var(--white); }
.why-us__header { text-align: center; margin-bottom: 3.5rem; }
.why-us__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }

.why-card { padding: 2rem 1.75rem 1.75rem; border-radius: var(--radius-lg); border-top: 4px solid var(--orange); background: var(--gray-light); transition: box-shadow var(--transition), transform var(--transition); }
.why-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.09); transform: translateY(-3px); }
.why-card__icon { width: 48px; height: 48px; color: var(--orange); margin-bottom: 1.25rem; }
.why-card__icon svg { width: 100%; height: 100%; }
.why-card__title { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 0.6rem; }
.why-card__body { font-size: 0.88rem; color: var(--text-mid); line-height: 1.65; }

/* ── REVIEW BANNER ── */
.review-banner { padding-block: clamp(3.5rem, 6vw, 5rem); background: var(--navy); position: relative; overflow: hidden; }
.review-banner::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(232,119,34,0.12) 1.5px, transparent 1.5px); background-size: 24px 24px; pointer-events: none; }
.review-banner__inner { position: relative; text-align: center; max-width: 720px; margin-inline: auto; }
.review-banner__stars { font-size: 1.4rem; color: var(--orange); letter-spacing: 0.1em; margin-bottom: 1.25rem; }
.review-banner__quote { font-family: var(--font-body); font-size: clamp(1rem, 2.5vw, 1.2rem); font-style: italic; line-height: 1.75; color: rgba(255,255,255,0.9); margin-bottom: 1.25rem; }
.review-banner__author { font-family: var(--font-heading); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; color: var(--orange-light); text-transform: uppercase; }

/* ── CONTACT ── */
.contact { padding-block: var(--section-pad); background: var(--gray-light); }
.contact__inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(3rem, 6vw, 5rem); align-items: start; }
.contact__body { color: var(--text-mid); margin-bottom: 2rem; line-height: 1.7; }
.contact__body a { color: var(--orange); font-weight: 600; transition: color var(--transition); }
.contact__body a:hover { color: var(--orange-dark); }
.contact__details { display: flex; flex-direction: column; gap: 1.1rem; }
.contact__detail { display: flex; align-items: flex-start; gap: 1rem; }
.contact__detail-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--orange); color: var(--white); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact__detail-icon svg { width: 18px; height: 18px; }
.contact__detail-text { display: flex; flex-direction: column; gap: 0.15rem; padding-top: 0.2rem; }
.contact__detail-label { font-family: var(--font-heading); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-light); }
.contact__detail-text a, .contact__detail-text span { font-size: 0.92rem; color: var(--text-dark); font-weight: 600; line-height: 1.5; }
.contact__detail-text a { color: var(--orange); }
.contact__detail-text a:hover { color: var(--orange-dark); }

.contact-form { background: var(--white); border-radius: var(--radius-lg); padding: clamp(1.75rem, 4vw, 2.5rem); box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.1rem; }
.form-row .form-group { margin-bottom: 0; }

label { font-family: var(--font-heading); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-dark); }
.req { color: var(--orange); }

input, select, textarea { font-family: var(--font-body); font-size: 0.95rem; color: var(--text-dark); background: var(--white); border: 1.5px solid var(--gray-border); border-radius: var(--radius); padding: 0.7rem 0.9rem; width: 100%; transition: border-color var(--transition), box-shadow var(--transition); appearance: none; -webkit-appearance: none; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(232,119,34,0.15); }
input.error, select.error, textarea.error { border-color: #DC2626; box-shadow: 0 0 0 3px rgba(220,38,38,0.12); }
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A5568' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem; }
textarea { resize: vertical; min-height: 100px; }

.form-status { margin-top: 0.75rem; font-family: var(--font-heading); font-size: 0.82rem; font-weight: 600; min-height: 1.4em; }
.form-status.success { color: #166534; }
.form-status.error { color: #DC2626; }

/* ── FOOTER ── */
.footer { background: var(--navy); padding-top: clamp(3.5rem, 6vw, 5rem); color: rgba(255,255,255,0.7); }
.footer__inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer__logo { display: flex; flex-direction: column; gap: 2px; line-height: 1; margin-bottom: 1rem; }
.footer__logo-name { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; color: var(--white); letter-spacing: -0.01em; }
.footer__logo-sub { font-family: var(--font-heading); font-size: 0.55rem; font-weight: 700; letter-spacing: 0.28em; color: var(--orange); text-transform: uppercase; }
.footer__tagline { font-size: 0.85rem; line-height: 1.6; color: rgba(255,255,255,0.55); margin-bottom: 1.5rem; }
.footer__dots { width: 80px; height: 60px; background-image: radial-gradient(circle, var(--orange) 2px, transparent 2px); background-size: 12px 12px; opacity: 0.3; }
.footer__col-heading { font-family: var(--font-heading); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; margin-bottom: 1.25rem; }
.footer__col ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer__col ul a, .footer__contact-list li { font-size: 0.88rem; color: rgba(255,255,255,0.65); transition: color var(--transition); line-height: 1.5; }
.footer__col ul a:hover { color: var(--white); }
.footer__bottom { background: rgba(0,0,0,0.2); padding-block: 1.25rem; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; font-family: var(--font-heading); font-size: 0.72rem; color: rgba(255,255,255,0.4); letter-spacing: 0.03em; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  :root { --nav-h: 66px; }

  .header__links { position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column; gap: 0; background: var(--navy); max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding var(--transition); padding: 0 var(--pad-x); }
  .header.open .header__links { max-height: 400px; padding: 1rem var(--pad-x) 1.5rem; }
  .header__links li { border-bottom: 1px solid rgba(255,255,255,0.08); }
  .header__links a { display: block; padding: 0.9rem 0; font-size: 0.9rem; }
  .header__links a::after { display: none; }
  .header__phone { display: none; }
  .header__burger { display: flex; }

  .hero__info-bar { flex-direction: column; align-items: flex-start; }
  .hero__info-divider { display: none; }
  .hero__info-item { padding: 0.75rem var(--pad-x); border-bottom: 1px solid rgba(255,255,255,0.08); width: 100%; }

  .about__inner { grid-template-columns: 1fr; }
  .about__media { height: 280px; grid-template-rows: 1fr; grid-template-columns: 1fr 1fr; }
  .about__dots { display: none; }

  .contact__inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero__heading { font-size: 2rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .services__grid { grid-template-columns: 1fr; }
  .why-us__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
}