/* Sternshein CPAs — a quiet ledger. Paper, ink, one brass rule. */
:root {
  --field: #faf6ef;
  --ink: #1c2a38;
  --ink-soft: #33475c;
  --call: #1c2a38;
  --call-text: #faf6ef;
  --ghost: #faf6ef;
  --accent: #a97e2f;
  --brass-deep: #7a5a1e;
  --hairline: #d9cfbd;

  --font-display: "Newsreader", Georgia, serif;
  --font-body: "Archivo", system-ui, sans-serif;

  --ease-out-expo: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-out-expo-alt: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-out-circ: cubic-bezier(0.075, 0.82, 0.165, 1);
  --dur-fast: 0.3s;
  --dur-hover: 0.5s;
  --dur-enter: 0.7s;
  --dur-nav: 0.8s;
  --dur-hero: 1.5s;
}

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

body {
  margin: 0;
  background: var(--field);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0 0 0.4em;
}

h1 {
  font-size: clamp(2.5rem, 5.2vw, 4.25rem);
}

h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
}

h3 {
  font-size: 1.45rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--field);
  padding: 0.5rem 1rem;
}

.kicker {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin: 0 0 0.9rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.6rem;
  border-radius: 2px;
  transition: background var(--dur-fast) var(--ease-out-circ), color var(--dur-fast) var(--ease-out-circ), transform var(--dur-fast) var(--ease-out-circ);
}
.btn:hover {
  transform: translate3d(0, -2px, 0);
}
.btn-fill {
  background: var(--call);
  color: var(--call-text);
}
.btn-ghost {
  border: 1px solid currentColor;
  color: var(--ghost);
}
.call-nowrap {
  white-space: nowrap;
}

/* Signature flourish: underline grows from the left. */
.link-underline {
  position: relative;
  text-decoration: none;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform var(--dur-hover) var(--ease-out-expo-alt);
}
.link-underline:hover::after {
  transform: scaleX(1);
}

/* Header: wordmark, jumps, Call pill. Never animated. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.9rem 4vw;
  background: var(--field);
  border-bottom: 2px solid var(--accent);
}

.brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  text-decoration: none;
  margin-right: auto;
  white-space: nowrap;
}

.site-header nav {
  display: flex;
  gap: 1.4rem;
  font-size: 0.98rem;
  font-weight: 500;
}

.site-header .btn {
  padding: 0.6rem 1.15rem;
  font-size: 0.95rem;
}

/* Hero: copy on the plate, gradient slab, faces right and high. */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 100dvh;
}
.hero-img {
  position: absolute;
  inset: -8% 0;
  width: 100%;
  height: 116%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0;
  transition: opacity var(--dur-hero) var(--ease-out-expo);
}
.hero.is-in .hero-img,
.hero-img.is-in {
  opacity: 1;
}
.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 38rem;
  margin: 0 auto 0 6vw;
  padding: 22vh 2.5rem 10vh 0;
  color: var(--field);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(22, 32, 45, 0.88) 0%, rgba(22, 32, 45, 0.62) 42%, rgba(22, 32, 45, 0) 72%);
  z-index: 0;
}
.hero-copy .kicker {
  color: var(--accent);
}
.hero-copy h1 em {
  color: var(--accent);
}
.hero-copy p {
  max-width: 34rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.6rem 0 0.6rem;
}
.hero-phone {
  font-size: 0.98rem;
}
.hero-phone a {
  font-weight: 600;
}

/* Sections. */
.services,
.firm,
.faq,
.area,
.contact {
  padding: 5rem 6vw;
}

.section-head {
  max-width: 44rem;
  margin-bottom: 2.5rem;
}
.section-head p {
  max-width: 38rem;
}

/* Services river: illustration and text swap sides each row. */
.river {
  display: grid;
  gap: 4rem;
  max-width: 72rem;
}
.river-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.river-row:nth-child(even) img {
  order: 2;
}
.river-row img {
  border: 1px solid var(--hairline);
  background: var(--field);
}
.river-text h3 {
  margin-bottom: 0.35rem;
}
.river-text p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 30rem;
}

.firm {
  background: var(--ink);
  color: var(--field);
}
.firm .section-head {
  border-left: 3px solid var(--accent);
  padding-left: 1.75rem;
}
.firm .kicker {
  color: var(--accent);
}
.firm p {
  max-width: 42rem;
}

.faq-list {
  max-width: 44rem;
}
.faq-list details {
  border-top: 1px solid var(--hairline);
}
.faq-list details:last-child {
  border-bottom: 1px solid var(--hairline);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list details p {
  margin: 0 0 1.15rem;
  max-width: 42ch;
  color: var(--ink-soft);
}

.map {
  width: 100%;
  max-width: 72rem;
  border: 1px solid var(--hairline);
  display: block;
}

/* Contact. */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
  max-width: 72rem;
}
.contact-card {
  border-top: 2px solid var(--accent);
  padding-top: 1.1rem;
}
.contact-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 0.6rem;
}
.contact-card p {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0.45rem 0;
}
.contact-card svg {
  flex: none;
  margin-top: 0.25rem;
  color: var(--brass-deep);
}
.contact-form {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem 1.5rem;
  border: 1px solid var(--hairline);
  padding: 1.75rem;
  background: var(--field);
}
.contact-form .field {
  display: grid;
  gap: 0.3rem;
}
.contact-form .field:nth-child(5) {
  grid-column: 1 / -1;
}
.contact-form label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-deep);
}
.contact-form input,
.contact-form textarea {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: 0.4rem 0;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.contact-form .btn {
  grid-column: 1 / -1;
  justify-self: start;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}
.form-note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.site-footer {
  background: var(--ink);
  color: var(--field);
  padding: 2rem 6vw;
  font-size: 0.95rem;
}
.site-footer p {
  margin: 0;
  max-width: 60rem;
}

/* Motion hooks. */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 50px, 0);
  transition:
    opacity var(--dur-enter) var(--ease-out-expo),
    transform var(--dur-enter) var(--ease-out-expo);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

[data-reveal="cascade"] {
  opacity: 1;
  transform: none;
  transition: none;
}
[data-reveal="cascade"] > * {
  opacity: 0;
  transform: translate3d(0, 50px, 0);
  transition:
    opacity var(--dur-enter) var(--ease-out-expo),
    transform var(--dur-enter) var(--ease-out-expo);
}
[data-reveal="cascade"].is-in > * {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* 390: Call stays one line; hero copy pins to the bottom third. */
@media (max-width: 640px) {
  .site-header {
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    padding: 0.7rem 4vw;
  }
  .brand {
    font-size: 1.15rem;
  }
  .site-header nav {
    order: 3;
    flex-basis: 100%;
    gap: 1.1rem;
    overflow-x: auto;
    font-size: 0.92rem;
    padding-bottom: 0.2rem;
  }
  .site-header .btn {
    padding: 0.5rem 0.9rem;
    font-size: 0.88rem;
  }

  .hero {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 100dvh;
  }
  .hero::before {
    background: linear-gradient(180deg, rgba(22, 32, 45, 0) 40%, rgba(22, 32, 45, 0.82) 72%);
  }
  .hero-img {
    object-position: center 18%;
  }
  .hero-copy {
    width: auto;
    max-width: none;
    margin: 0 1rem calc(1rem + env(safe-area-inset-bottom));
    padding: 1.15rem 1.1rem 1.05rem;
  }
  .hero-copy h1 {
    font-size: 2rem;
  }
  .hero-copy > p:nth-of-type(2),
  .hero-phone {
    display: none;
  }

  .services,
  .firm,
  .faq,
  .area,
  .contact {
    padding: 3.5rem 5vw;
  }
  .river-row {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .river-row:nth-child(even) img {
    order: 0;
  }
  .contact-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }
  .map {
    height: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal="cascade"] > *,
  .hero-img {
    opacity: 1;
    transform: none !important;
    transition: none;
  }
  .btn:hover {
    transform: none;
  }
}