/* DrainMaster V3 · Sprint 1: Header, Hero, Symptom UI */

/* Header overrides */
.site-header {
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(11, 42, 60, 0.08);
  backdrop-filter: blur(20px);
}

.header-inner { min-height: 84px; }
.brand-mark {
  width: 46px; height: 46px; color: var(--mint); border-radius: 15px;
  background: var(--navy); box-shadow: 0 10px 25px rgba(11,42,60,.16);
}
.brand-mark svg { width: 25px; height: 25px; }
.brand-copy strong { font-size: 1.15rem; letter-spacing: -.03em; }
.brand-copy small { font-size: .7rem; }
.primary-nav { gap: 30px; }
.primary-nav a { position: relative; }
.primary-nav a::after {
  position: absolute; right: 0; bottom: -8px; left: 0; height: 2px;
  background: var(--mint); content: ""; transform: scaleX(0); transition: transform .2s ease;
}
.primary-nav a:hover::after { transform: scaleX(1); }
.header-call {
  display: flex; min-width: 152px; align-items: center; flex-direction: column;
  padding: 9px 18px; border-radius: 16px; background: var(--navy); line-height: 1.2;
}
.header-call span { color: rgba(255,255,255,.62); font-size: .68rem; }
.header-call strong { margin-top: 3px; color: #fff; font-size: 1.03rem; letter-spacing: .02em; }
.nav-toggle { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--soft); }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 99px; background: var(--navy); }

/* Hero */
.hero {
  position: relative; overflow: hidden; min-height: 760px; color: #fff;
  background: radial-gradient(circle at 75% 20%, #174f67 0, #0b2a3c 42%, #061c29 100%);
}
.hero::before {
  position: absolute; inset: 0; content: ""; opacity: .28;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 52px 52px;
}
.hero-background { position: absolute; inset: 0; opacity: .11; }
.hero-background::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, #071f2d 0%, rgba(7,31,45,.85) 48%, rgba(7,31,45,.25)); }
.hero-background img { width: 100%; height: 100%; object-fit: cover; }
.hero-layout {
  position: relative; z-index: 2; display: grid; min-height: 760px;
  align-items: center; grid-template-columns: 1.08fr .92fr; gap: 76px; padding-block: 74px;
}
.hero-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; color: #8fe4ce; font-size: .86rem; font-weight: 800; letter-spacing: .08em; }
.hero-kicker span { width: 36px; height: 2px; background: var(--mint); }
.hero h1 { max-width: 720px; margin-bottom: 26px; font-size: clamp(3.1rem, 6.2vw, 5.6rem); line-height: 1.05; letter-spacing: -.065em; }
.hero h1 em { color: #90ead4; font-style: normal; }
.hero-description { margin-bottom: 34px; color: rgba(255,255,255,.74); font-size: clamp(1.02rem, 1.5vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-call-button { min-height: 68px; gap: 13px; padding: 0 24px; color: var(--navy); background: #fff; border-radius: 18px; box-shadow: 0 18px 35px rgba(0,0,0,.18); }
.hero-call-button .button-icon { display: grid; width: 38px; height: 38px; place-items: center; color: #fff; border-radius: 12px; background: var(--mint); }
.hero-call-button small, .hero-call-button strong { display: block; line-height: 1.15; }
.hero-call-button small { color: var(--muted); font-size: .67rem; }
.hero-call-button strong { margin-top: 4px; font-size: 1.08rem; }
.hero-check-button { min-height: 68px; padding: 0 24px; color: #fff; border: 1px solid rgba(255,255,255,.28); border-radius: 18px; background: rgba(255,255,255,.08); backdrop-filter: blur(10px); }
.hero-check-button span { margin-left: 12px; }
.hero-trust { display: grid; max-width: 620px; margin: 40px 0 0; padding: 0; grid-template-columns: repeat(4,1fr); list-style: none; border-top: 1px solid rgba(255,255,255,.15); }
.hero-trust li { display: flex; flex-direction: column; padding: 18px 10px 0 0; }
.hero-trust strong { color: var(--mint); font-size: .7rem; }
.hero-trust span { margin-top: 4px; color: rgba(255,255,255,.76); font-size: .82rem; font-weight: 700; }
.hero-visual { position: relative; }
.hero-photo-card { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.22); border-radius: 34px; box-shadow: 0 35px 80px rgba(0,0,0,.34); transform: rotate(1.3deg); }
.hero-photo-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(0deg, rgba(2,16,24,.82), transparent 48%); }
.hero-photo-card img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.hero-photo-label { position: absolute; z-index: 2; right: 28px; bottom: 26px; left: 28px; }
.hero-photo-label span, .hero-photo-label strong { display: block; }
.hero-photo-label span { color: #9cead7; font-size: .77rem; font-weight: 800; }
.hero-photo-label strong { margin-top: 5px; font-size: 1.25rem; }
.hero-status-card { position: absolute; right: -20px; bottom: 50px; z-index: 4; display: flex; align-items: center; gap: 12px; padding: 16px 19px; color: var(--navy); border-radius: 18px; background: #fff; box-shadow: 0 20px 45px rgba(0,0,0,.24); }
.status-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 7px rgba(23,184,144,.13); }
.hero-status-card small, .hero-status-card strong { display: block; }
.hero-status-card small { color: var(--muted); font-size: .66rem; }
.hero-status-card strong { margin-top: 2px; font-size: 1.08rem; }

/* Symptom selector */
.symptom-section { position: relative; background: #f5f8f8; }
.symptom-heading { display: flex; max-width: none; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 40px; text-align: left; }
.symptom-heading h2 { margin-bottom: 0; }
.symptom-heading > p { max-width: 460px; margin-bottom: 5px; }
.symptom-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.symptom-card { position: relative; min-height: 214px; overflow: hidden; padding: 28px; border: 1px solid rgba(11,42,60,.09); border-radius: 24px; background: #fff; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.symptom-card::before { position: absolute; top: -38px; right: -35px; width: 120px; height: 120px; border-radius: 50%; background: rgba(23,184,144,.07); content: ""; }
.symptom-card:hover { transform: translateY(-7px); border-color: rgba(23,184,144,.4); box-shadow: 0 22px 45px rgba(11,42,60,.11); }
.symptom-emoji { display: grid; width: 46px; height: 46px; place-items: center; color: var(--mint); border-radius: 15px; background: #e7f8f3; font-size: 1.25rem; font-weight: 900; }
.symptom-number { position: absolute; top: 26px; right: 26px; color: #c8d2d6; font-size: .76rem; font-weight: 900; letter-spacing: .08em; }
.symptom-card h3 { margin: 25px 0 7px; font-size: 1.32rem; letter-spacing: -.03em; }
.symptom-card p { margin-bottom: 0; color: var(--muted); font-size: .9rem; }
.card-arrow { position: absolute; right: 25px; bottom: 24px; display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--soft); transition: background .2s ease, color .2s ease; }
.symptom-card:hover .card-arrow { color: #fff; background: var(--navy); }
.symptom-note { display: flex; align-items: center; gap: 18px; margin-top: 18px; padding: 18px 22px; border: 1px solid rgba(15,109,143,.12); border-radius: 18px; background: #eaf3f5; }
.symptom-note strong { flex: 0 0 auto; }
.symptom-note span { color: var(--muted); font-size: .9rem; }
.symptom-note a { margin-left: auto; color: var(--blue); font-size: .9rem; font-weight: 900; white-space: nowrap; }

.mobile-contact-bar { display: none; }

@media (max-width: 980px) {
  .hero-layout { grid-template-columns: 1fr; gap: 45px; padding-block: 76px; }
  .hero-visual { max-width: 580px; margin-inline: auto; }
  .hero-photo-card img { aspect-ratio: 16/10; }
  .hero-status-card { right: 18px; bottom: 24px; }
  .symptom-grid { grid-template-columns: repeat(2, 1fr); }
  .symptom-heading { align-items: start; flex-direction: column; gap: 6px; }
}

@media (max-width: 900px) {
  .header-call { display: none; }
  .nav-toggle { display: block; }
  .mobile-contact-bar { position: fixed; z-index: 200; right: 12px; bottom: 12px; left: 12px; display: grid; min-height: 60px; overflow: hidden; grid-template-columns: .85fr 1.15fr; border: 1px solid rgba(255,255,255,.65); border-radius: 18px; background: #fff; box-shadow: 0 18px 42px rgba(5,25,36,.3); }
  .mobile-contact-bar a { display: flex; align-items: center; justify-content: center; gap: 8px; font-weight: 900; }
  .mobile-contact-secondary { color: var(--navy); }
  .mobile-contact-primary { color: #fff; background: var(--mint); }
  body { padding-bottom: 88px; }
}

@media (max-width: 620px) {
  .hero { min-height: auto; }
  .hero-layout { min-height: auto; padding-block: 62px 54px; }
  .hero h1 { font-size: clamp(2.65rem, 13.2vw, 4rem); }
  .hero-description br { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-trust { grid-template-columns: repeat(2,1fr); }
  .hero-trust li { padding-top: 14px; }
  .hero-visual { width: 100%; }
  .hero-photo-card { border-radius: 25px; transform: none; }
  .hero-photo-card img { aspect-ratio: 4/3; }
  .hero-photo-label { right: 20px; bottom: 18px; left: 20px; }
  .hero-status-card { right: 12px; bottom: 14px; padding: 11px 14px; }
  .hero-photo-label strong { font-size: 1rem; }
  .hero-status-card { display: none; }
  .symptom-grid { grid-template-columns: 1fr; }
  .symptom-card { min-height: 178px; padding: 23px; }
  .symptom-card h3 { margin-top: 20px; }
  .symptom-note { align-items: flex-start; flex-direction: column; gap: 6px; }
  .symptom-note a { margin: 5px 0 0; }
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(11, 42, 60, 0.07);
}

.service-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.service-body {
  padding: 26px;
}

.service-body h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.service-body p {
  min-height: 78px;
  color: var(--muted);
}

.service-body a {
  color: var(--blue);
  font-weight: 800;
}

.service-body a::after {
  margin-left: 8px;
  content: "→";
}

.why-section {
  background: #eaf3f5;
}

.why-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
  gap: 70px;
}

.why-layout h2 {
  margin-bottom: 22px;
  font-size: clamp(2.2rem, 4.5vw, 3.7rem);
  letter-spacing: -0.05em;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
}

.why-list {
  display: grid;
  gap: 14px;
}

.why-list article {
  display: flex;
  gap: 20px;
  padding: 24px;
  border: 1px solid rgba(15, 109, 143, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
}

.why-list article > span {
  color: var(--blue);
  font-weight: 900;
}

.why-list h3 {
  margin-bottom: 6px;
}

.why-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.process-grid {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  list-style: none;
}

.process-grid li {
  position: relative;
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.process-grid strong {
  display: block;
  margin-bottom: 40px;
  color: var(--blue);
  font-size: 1.9rem;
}

.process-grid h3 {
  margin-bottom: 8px;
}

.process-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.area-section {
  color: var(--white);
  background: var(--navy);
}

.area-section .section-heading p {
  color: rgba(255, 255, 255, 0.7);
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.area-grid a {
  display: flex;
  min-height: 160px;
  justify-content: flex-end;
  flex-direction: column;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  transition: background 0.2s ease, transform 0.2s ease;
}

.area-grid a:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.13);
}

.area-grid strong {
  margin-bottom: 6px;
  font-size: 1.5rem;
}

.area-grid span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.94rem;
}

.faq-section {
  background: var(--soft);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.faq-list summary {
  padding: 22px 24px;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

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

.faq-list summary::after {
  float: right;
  color: var(--blue);
  content: "+";
  font-size: 1.4rem;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  margin: 0;
  padding: 0 24px 24px;
  color: var(--muted);
}

.cta-section {
  padding: 74px 0;
  color: var(--white);
  background: var(--blue);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.cta-inner h2 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.cta-inner p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 980px) {
  .symptom-grid,
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .process-grid,
  .area-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: 680px;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(5, 25, 36, 0.94), rgba(5, 25, 36, 0.62));
  }

  .hero-content {
    padding-block: 72px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .symptom-grid,
  .service-grid,
  .process-grid,
  .area-grid {
    grid-template-columns: 1fr;
  }

  .service-body p {
    min-height: auto;
  }

  .cta-inner {
    align-items: stretch;
    flex-direction: column;
  }
}


/* V3.3 · Service targets, work cases, expanded SEO footer */
.target-section {
  background:
    radial-gradient(circle at 92% 10%, rgba(23, 184, 144, .11), transparent 28%),
    #f7faf9;
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.target-card {
  position: relative;
  min-height: 210px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 12px 35px rgba(11,42,60,.05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.target-card:hover {
  transform: translateY(-4px);
  border-color: rgba(23,184,144,.42);
  box-shadow: 0 18px 42px rgba(11,42,60,.10);
}

.target-card > span {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  margin-bottom: 28px;
  color: var(--navy);
  border-radius: 13px;
  background: #dff7f0;
  font-size: .78rem;
  font-weight: 900;
}

.target-card h3 {
  margin-bottom: 9px;
  font-size: 1.28rem;
}

.target-card p {
  margin: 0;
  color: var(--muted);
}

.workcase-section {
  background: #fff;
}

.workcase-heading {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 44px;
  text-align: left;
}

.workcase-heading > p {
  max-width: 430px;
  color: var(--muted);
}

.workcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.workcase-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.98), rgba(239,247,247,.84));
  box-shadow: 0 14px 40px rgba(11,42,60,.07);
}

.workcase-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 54px;
}

.workcase-meta span {
  padding: 7px 11px;
  color: #08725b;
  border-radius: 99px;
  background: #daf5ed;
  font-size: .76rem;
  font-weight: 900;
}

.workcase-meta small {
  color: var(--muted);
  font-weight: 700;
}

.workcase-card h3 {
  margin-bottom: 14px;
  font-size: 1.45rem;
  line-height: 1.35;
  letter-spacing: -.035em;
}

.workcase-card p {
  color: var(--muted);
}

.workcase-card a {
  margin-top: auto;
  color: var(--blue);
  font-weight: 900;
}

.workcase-card a::after {
  margin-left: 8px;
  content: "→";
}

.footer-grid-expanded {
  grid-template-columns: 1.5fr repeat(3, 1fr);
}

.footer-about p {
  max-width: 430px;
}

.footer-phone {
  display: inline-block !important;
  margin-top: 12px;
  color: #96ead6 !important;
  font-size: 1.35rem;
  font-weight: 900;
}

.footer-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 22px;
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.footer-keywords span {
  padding: 7px 10px;
  color: rgba(255,255,255,.66);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 99px;
  font-size: .73rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-bottom p:last-child {
  text-align: right;
}

@media (max-width: 980px) {
  .target-grid,
  .workcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid-expanded {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .workcase-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .target-grid,
  .workcase-grid,
  .footer-grid-expanded {
    grid-template-columns: 1fr;
  }

  .target-card,
  .workcase-card {
    min-height: auto;
  }

  .workcase-meta {
    margin-bottom: 34px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .footer-bottom p:last-child {
    text-align: left;
  }
}