/* DBS palette — matched to doctorsbillingsolutions.com */
:root {
  --white: #fbfbfb;
  --black: #34302f;
  --accent: #cec9bc;
  --accent-dark: #b8b2a4;
  --light-accent: #e8e8e8;
  --dark-accent: #817c7c;
  --warm-bg: #f5f3ef;
  --error: #a94442;
  --success: #4a7c59;
  --header-height: 4rem;

  --font-heading: "Young Serif", Georgia, serif;
  --font-body: "Bitter", Georgia, serif;
}

/* Reset & base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--black);
  background-color: var(--white);
}

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

a {
  color: var(--black);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 251, 251, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--light-accent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--dark-accent);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--black);
}

.site-nav {
  display: flex;
  gap: 1.75rem;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--dark-accent);
  text-decoration: none;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--black);
  transition: width 0.25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--black);
  text-decoration: none;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  border-radius: 0;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.25s, color 0.25s, transform 0.2s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--dark-accent);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--warm-bg);
  color: var(--black);
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero-blobs {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  animation: float 12s ease-in-out infinite;
}

.blob-1 {
  width: 340px;
  height: 340px;
  background: var(--accent);
  top: -80px;
  right: -60px;
  animation-delay: 0s;
}

.blob-2 {
  width: 280px;
  height: 280px;
  background: var(--light-accent);
  bottom: -40px;
  left: -40px;
  animation-delay: -4s;
}

.blob-3 {
  width: 200px;
  height: 200px;
  background: var(--accent-dark);
  top: 40%;
  left: 55%;
  animation-delay: -8s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -30px) scale(1.05); }
  66%       { transform: translate(-15px, 20px) scale(0.95); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-text {
  max-width: 760px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-accent);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  margin-bottom: 1.25rem;
  color: var(--black);
}

.hero-subtext {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--dark-accent);
  margin-bottom: 2.25rem;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn-primary {
  background-color: var(--black);
  color: var(--white);
}

.hero .btn-primary:hover {
  background-color: var(--dark-accent);
}

.hero-media {
  margin-top: 3rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(52, 48, 47, 0.18);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 15%;
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  right: 2rem;
  top: 50%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  opacity: 1;
  transform: translateY(-50%);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.scroll-cue:hover {
  text-decoration: none;
}

.scroll-cue:hover .scroll-cue-text {
  color: var(--black);
}

.scroll-cue.is-hidden {
  opacity: 0;
  transform: translateY(-50%) translateX(10px);
  pointer-events: none;
}

/* The About section is taller than the viewport, so its scroll cue
   stays pinned to the viewport rather than the section box */
#scroll-cue-about {
  position: fixed;
}

.scroll-cue-text {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark-accent);
  transition: color 0.2s;
}

.scroll-cue-track {
  position: relative;
  width: 1px;
  height: 62px;
  background-color: var(--accent-dark);
  overflow: hidden;
}

.scroll-cue-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 7px;
  height: 7px;
  margin-left: -3px;
  border-radius: 50%;
  background-color: var(--black);
  animation: scrollCueMove 1.9s ease-in-out infinite;
}

@keyframes scrollCueMove {
  0%   { transform: translateY(0); opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateY(54px); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue-dot {
    animation: none;
    opacity: 1;
    top: 50%;
    transform: translateY(-50%);
  }
}

/* Marquee — signature element from the live site */
.marquee-section {
  background-color: var(--black);
  color: var(--accent);
  padding: 2.5rem 0;
  overflow: hidden;
}

.marquee-label {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
  color: var(--white);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
  padding: 0.5rem 0;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track span {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  white-space: nowrap;
  color: var(--accent);
}

.marquee-track .sep {
  color: var(--dark-accent);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* About */
.about {
  padding: 5rem 0;
  background-color: var(--white);
  scroll-margin-top: var(--header-height);
}

.about h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--black);
  margin-bottom: 1rem;
}

.about-intro {
  font-size: 1.05rem;
  max-width: 760px;
  color: var(--dark-accent);
}

.about-lead {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.about-media {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(52, 48, 47, 0.12);
}

.about-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.highlights {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.highlights li {
  position: relative;
  background-color: var(--warm-bg);
  padding: 1.75rem 1.75rem 1.75rem 5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlights li:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(52, 48, 47, 0.08);
}

.highlight-icon {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--accent-dark);
  line-height: 1;
}

.highlights h3 {
  font-size: 1.15rem;
  color: var(--black);
  margin-bottom: 0.5rem;
}

.highlights p {
  color: var(--dark-accent);
  font-size: 0.95rem;
}

.signature {
  position: relative;
  background-color: var(--accent);
  padding: 2.5rem;
  overflow: hidden;
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.signature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--black);
}

.signature-media {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(52, 48, 47, 0.18);
}

.signature-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.signature-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  background-color: var(--white);
  padding: 0.3rem 0.75rem;
  margin-bottom: 1rem;
}

.signature h3 {
  font-size: 1.5rem;
  color: var(--black);
  margin-bottom: 0.75rem;
}

.signature p {
  color: var(--black);
  opacity: 0.85;
  max-width: 680px;
}

/* Contact */
.contact {
  min-height: calc(100svh - var(--header-height));
  padding: 1.5rem 0;
  background-color: var(--warm-bg);
  scroll-margin-top: var(--header-height);
  display: flex;
  align-items: center;
}

.contact-shell {
  width: 100%;
}

.contact-header {
  margin-bottom: 1.25rem;
}

.contact h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  color: var(--black);
  margin-bottom: 0.5rem;
}

.contact-intro {
  color: var(--dark-accent);
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 560px;
}

.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: var(--white);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--light-accent);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.form-group label {
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--dark-accent);
}

.form-group label span {
  color: var(--error);
}

.form-group input,
.form-group textarea {
  padding: 0.45rem 0;
  font-size: 0.95rem;
  font-family: inherit;
  border: none;
  border-bottom: 1px solid var(--light-accent);
  border-radius: 0;
  background-color: transparent;
  color: var(--black);
  transition: border-color 0.2s;
}

.form-group textarea {
  resize: vertical;
  min-height: 4.5rem;
  max-height: 6rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: var(--black);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-bottom-color: var(--error);
}

.field-error {
  font-size: 0.75rem;
  color: var(--error);
  line-height: 1.2;
}

.field-error:empty {
  display: none;
}

.form-status {
  font-size: 0.875rem;
  min-height: 0;
}

.form-status:not(:empty) {
  min-height: 1.25rem;
  margin-top: 0.25rem;
}

.form-status.success {
  color: var(--success);
}

.form-status.error {
  color: var(--error);
}

.contact-form .btn-primary {
  margin-top: 0.25rem;
  align-self: flex-start;
}

.contact-info {
  background-color: var(--black);
  color: var(--white);
  padding: 1.5rem;
}

.contact-info h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.contact-info p {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.contact-info-label {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-accent);
}

.contact-link {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.15rem;
  transition: color 0.2s;
}

.contact-link:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Footer */
.site-footer {
  background-color: var(--black);
  color: var(--dark-accent);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Responsive */
@media (min-width: 640px) {
  .highlights {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 700px) {
  .signature {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  }
}

@media (min-width: 768px) {
  .hero {
    text-align: left;
  }

  .hero-inner {
    max-width: 1100px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 3rem;
    align-items: center;
  }

  .hero-text {
    margin: 0;
  }

  .hero-subtext {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-media {
    margin-top: 0;
    max-width: none;
  }

  /* Fit hero + clients bar inside the first screen on load */
  .hero-viewport {
    height: calc(100svh - var(--header-height));
    display: flex;
    flex-direction: column;
  }

  .hero-viewport .hero {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: center;
    padding: 2rem 0;
    overflow: hidden;
  }

  .hero-viewport .hero-media {
    max-height: 100%;
  }

  .hero-viewport .hero-media img {
    max-height: min(38vh, 420px);
  }

  .hero-viewport .marquee-section {
    flex: 0 0 auto;
    padding: 1.5rem 0;
  }

  .about-lead {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .about-intro {
    margin-bottom: 0;
  }

  .contact-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: 2rem;
    align-items: end;
    margin-bottom: 1.5rem;
  }

  .contact h2 {
    margin-bottom: 0;
  }

  .contact-intro {
    text-align: right;
    margin-left: auto;
  }

  .contact-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
  }

  .contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .blob,
  .marquee-track {
    animation: none;
  }
}