/* Downspout Cleaning in Nashville — homeowner guide.
   Mobile-first. System fonts. No JavaScript. No third-party requests.
   Organizing idea: the rain path, and the boundary where it goes underground. */

:root {
  --navy:       #11263C;
  --navy-2:     #17334E;
  --navy-deep:  #0B1B2C;
  --rain:       #2F6FB5;
  --rain-deep:  #1B558F;
  --rain-pale:  #DCE8F5;
  --mist:       #EFF3F7;
  --mist-2:     #CFDDEB;
  --panel:      #FFFFFF;
  --card:       #F3F7FB;
  --ink:        #16232E;
  --ink-soft:   #42566A;
  --muted:      #5C6E80;
  --on-dark:        #E9F0F7;
  --on-dark-soft:   #B7C8D9;
  --on-dark-link:   #A9CCEE;
  --signal:     #B75418;
  --signal-deep:#8A3B10;
  --signal-pale:#F8E9DC;
  --line:       #D3DDE7;
  --line-soft:  #E2E9F0;
  --shadow:     0 1px 2px rgba(17, 38, 60, .05), 0 10px 26px rgba(17, 38, 60, .07);
  --radius:     18px;
  --wide:       68rem;
  --read:       46rem;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;      /* 17px */
  line-height: 1.6;
  overflow-wrap: break-word;
}

@media (min-width: 820px) {
  body { font-size: 1.125rem; line-height: 1.65; }
}

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--rain-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover { color: var(--navy); text-decoration-thickness: 2px; }
a:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
  border-radius: 3px;
}

h1, h2 {
  line-height: 1.18;
  letter-spacing: -0.012em;
  margin: 0 0 .6em;
  text-wrap: balance;
}

h1 { font-size: clamp(1.85rem, 6.4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 4.6vw, 1.95rem); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------------------------- hero --- */

.hero {
  background: var(--navy);
  color: var(--on-dark);
  padding: 2.25rem 1.15rem 2.5rem;
}

.hero__inner { max-width: var(--wide); margin: 0 auto; }

.hero h1 { color: #FFFFFF; }

.hero__answer {
  font-size: clamp(1.15rem, 4.2vw, 1.4rem);
  line-height: 1.5;
  color: #FFFFFF;
  max-width: var(--read);
}

.hero__sub {
  max-width: var(--read);
  color: var(--on-dark-soft);
}

/* the rain path */

.flow {
  margin-top: 1.9rem;
  background: #FFFFFF;
  border: 1px solid rgba(183, 200, 217, .28);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(4, 17, 29, .18);
}

.flow__picture,
.flow__picture img {
  display: block;
  width: 100%;
}

.flow__picture img {
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.flow__legend {
  display: grid;
  gap: 0;
  color: var(--ink);
  background: #FFFFFF;
}

.flow__group { padding: 1rem 1.05rem 1.1rem; }

.flow__group--buried {
  background: var(--navy-deep);
  border-top: 3px solid var(--signal);
}

.flow__zone {
  margin: 0 0 .55rem;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--rain-deep);
}

.flow__path {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .35rem .9rem;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink);
  font-size: .94rem;
  font-weight: 650;
}

.flow__buried {
  margin: 0;
  color: #FFFFFF;
  font-weight: 600;
}

.flow__group--buried .flow__zone { color: var(--on-dark-soft); }

@media (min-width: 760px) {
  .hero { padding: 3.25rem 1.5rem 3.5rem; }

  .flow__legend { grid-template-columns: 1.35fr 1fr; }
  .flow__group { padding: 1.15rem 1.35rem 1.25rem; }
  .flow__group--buried { border-top: 0; border-left: 3px solid var(--signal); }
  .flow__path { grid-template-columns: repeat(4, auto); gap: .5rem 1.4rem; }
}

@media (min-width: 940px) {
  .hero__inner {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(30rem, 1.15fr);
    gap: clamp(2.5rem, 4vw, 4rem);
    align-items: center;
  }

  .hero__copy { min-width: 0; }

  .hero h1 { font-size: 2.5rem; }

  .hero__answer,
  .hero__sub { max-width: 32rem; }

  .flow {
    width: 100%;
    max-width: 35rem;
    margin: 0 0 0 auto;
  }

  .flow__group { padding: 1rem 1.1rem 1.1rem; }
  .flow__path { grid-template-columns: 1fr 1fr; gap: .3rem .9rem; }
}

/* ------------------------------------------------------------ sections --- */

.sec { padding: 1.75rem 1.15rem; }
.sec__inner { max-width: var(--wide); margin: 0 auto; }

.lede {
  max-width: var(--read);
  font-size: 1.08em;
  color: var(--ink);
}

.sec p, .sec li { color: var(--ink-soft); }
.sec .lede { color: var(--ink); }

@media (min-width: 820px) {
  .sec { padding: 2.5rem 1.5rem; }
}

/* symptoms — white panel holding four record cards */

.sec--symptoms .sec__inner {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.15rem;
}

.sec__lead { max-width: var(--read); }
.sec__after { max-width: var(--read); margin-top: 1.4rem; }

.symptoms {
  display: grid;
  gap: .9rem;
  width: 100%;
  margin: 1.4rem 0 0;
  border-collapse: collapse;
}

.symptoms caption { display: block; }
.symptoms tbody { display: grid; gap: .9rem; }

.symptom {
  display: grid;
  gap: .8rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--rain);
  border-radius: 14px;
  padding: 1.05rem 1.05rem 1.15rem;
  text-align: left;
}

.symptom--buried { border-top-color: var(--signal); background: #FAF6F2; }

.symptom > th, .symptom > td {
  display: block;
  margin: 0;
  padding: 0;
  font-weight: 400;
  text-align: left;
  vertical-align: top;
}

.flabel {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .2rem;
}

.fval { display: block; color: var(--ink-soft); }

.symptom__seen .fval {
  font-size: 1.08em;
  font-weight: 650;
  color: var(--ink);
  line-height: 1.4;
}

.job {
  display: inline-block;
  padding: .3rem .65rem;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1.35;
  background: var(--rain-pale);
  color: #14477E;
}

.job--buried {
  background: var(--signal-pale);
  color: var(--signal-deep);
}

@media (min-width: 820px) {
  .sec--symptoms .sec__inner { padding: 2.4rem 2.2rem 2.6rem; }
  .symptoms tbody { grid-template-columns: 1fr 1fr; gap: 1.1rem; }
  .symptom { padding: 1.3rem 1.35rem 1.45rem; }
}

/* scope — soft blue band with a flow rail */

.sec--scope {
  background: var(--mist-2);
  border-top: 1px solid #BACCDF;
  border-bottom: 1px solid #BACCDF;
}

.sec--scope h2 { color: var(--navy); }
.sec--scope .lede { color: #17303F; }

.rail {
  margin: 1.5rem 0 1.4rem;
  padding: .15rem 0 .15rem 1.35rem;
  border-left: 5px solid var(--rain);
  border-radius: 3px;
  max-width: var(--read);
}

.rail p { color: #24384A; }

.ask {
  max-width: var(--read);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--signal);
  border-radius: 4px 12px 12px 4px;
  padding: .95rem 1.1rem;
  font-weight: 600;
  color: var(--ink);
}

@media (min-width: 820px) {
  .rail { padding-left: 1.75rem; }
}

/* boundary — one panel split at the ground line */

.grade {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.grade__above {
  background: var(--panel);
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;
  padding: 1.5rem 1.15rem 1.6rem;
}

.grade__line {
  margin: 0;
  background: var(--signal);
  color: #FFFFFF;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  padding: .5rem 1.15rem;
}

.grade__below {
  background: var(--navy);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, .035) 0 2px,
    transparent 2px 10px
  );
  color: var(--on-dark);
  border-radius: 0 0 calc(var(--radius) - 1px) calc(var(--radius) - 1px);
  padding: 1.6rem 1.15rem 1.7rem;
}

.grade__below p { color: var(--on-dark); max-width: var(--read); }

@media (min-width: 820px) {
  .grade__above { padding: 2.4rem 2.2rem 2.5rem; }
  .grade__line { padding: .6rem 2.2rem; }
  .grade__below { padding: 2.4rem 2.2rem 2.6rem; }
}

/* providers — navy band, two equal panels */

.sec--providers { background: var(--navy-2); }
.sec--providers h2 { color: #FFFFFF; }
.sec--providers .lede { color: var(--on-dark); }
.sec--providers a { color: var(--on-dark-link); }
.sec--providers a:hover { color: #FFFFFF; }
.sec--providers a:focus-visible { outline-color: #F0B98A; }

.providers {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 1.4rem;
}

.provider {
  background: var(--panel);
  border: 1px solid #3C5670;
  border-radius: 14px;
  padding: 1.2rem 1.15rem 1.3rem;
}

.provider p { color: var(--ink-soft); margin: 0; }

.sec--providers .provider__name {
  font-size: 1.14em;
  font-weight: 700;
  color: var(--rain-deep);
}

.sec--providers .provider__name:hover { color: var(--navy); }

.sec--providers .providers__note { color: var(--on-dark-soft); max-width: var(--read); }

@media (min-width: 820px) {
  .providers { grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
  .provider { padding: 1.7rem 1.6rem 1.8rem; }
}

/* completion check — flow verification spine */

.sec--check .sec__inner {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 4px solid var(--rain);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.15rem 1.7rem;
}

.checks {
  list-style: none;
  margin: 1.5rem 0 1.4rem;
  padding: 0 0 0 .35rem;
  max-width: 54rem;
}

.check {
  position: relative;
  margin: 0;
  padding: 0 0 1.05rem 2.1rem;
  border-left: 2px solid var(--line);
  color: var(--ink-soft);
}

.check:last-child { padding-bottom: .25rem; border-left-color: transparent; }

.check::before {
  content: "";
  position: absolute;
  left: -9px;
  top: .28em;
  width: 16px;
  height: 16px;
  border-radius: 5px;
  background: var(--panel);
  border: 2px solid var(--rain);
}

.check::after {
  content: "";
  position: absolute;
  left: -4px;
  top: .55em;
  width: 5px;
  height: 9px;
  border: solid var(--rain);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

.checks__close {
  max-width: var(--read);
  border-top: 1px solid var(--line-soft);
  padding-top: 1.1rem;
  color: var(--ink);
  font-weight: 600;
}

@media (min-width: 820px) {
  .sec--check .sec__inner { padding: 2.4rem 2.2rem 2.6rem; }
  .checks { padding-left: .5rem; }
}

/* -------------------------------------------------------------- footer --- */

.foot {
  background: var(--navy);
  color: var(--on-dark-soft);
  padding: 1.6rem 1.15rem 2rem;
  margin-top: .5rem;
}

.foot__inner { max-width: var(--wide); margin: 0 auto; }

.foot p { font-size: .95rem; max-width: var(--read); margin: 0; }

/* ------------------------------------------------------------- 404 page --- */

.notfound {
  max-width: var(--read);
  margin: 0 auto;
  padding: 4rem 1.15rem;
}

/* ---------------------------------------------------------- preferences --- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}