/* ===================================================
   Bluffton Tax Pros — Global Styles
   Palette: Beach Sand + Aqua · Units: rem
   Base: 1rem = 16px (html font-size: 100%)
   =================================================== */

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

:root {
  --color-sand: #f3ece0;
  --color-sand-light: #f9f6f0;
  --color-sand-warm: #e8dcc8;
  --color-sand-dark: #c4b8a2;

  --color-aqua: #2bb5ad;
  --color-aqua-dark: #1f948d;
  --color-aqua-deeper: #177a74;
  --color-aqua-light: #e6f6f5;
  --color-aqua-glow: #34d1c7;

  --color-charcoal: #2b2b2b;
  --color-charcoal-light: #444444;
  --color-white: #ffffff;
  --color-gray-200: #ebebeb;
  --color-gray-400: #999999;
  --color-gray-600: #666666;

  --color-gold: #f0c75e;
  --color-gold-dark: #e6b840;

  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Segoe UI', Tahoma, sans-serif;

  --max-width: 71.25rem;       /* 1140px */
  --section-pad: 5rem;          /* 80px */
  --transition: 0.3s ease;
}

html {
  font-size: 100%;              /* 16px base */
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;         /* 17px */
  line-height: 1.7;
  color: var(--color-charcoal);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-aqua-dark);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus-visible { color: var(--color-aqua-deeper); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-charcoal);
  line-height: 1.25;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ---- Header ---- */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo img { height: 4.5rem; width: auto; }   /* 72px */

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-white);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 0.375rem;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
  text-decoration: none;
}
.header-cta:hover {
  background: rgba(255,255,255,0.25);
  color: var(--color-white);
}

.site-header--light .header-cta {
  color: var(--color-aqua-dark);
  background: transparent;
  border-color: var(--color-aqua-dark);
}
.site-header--light .header-cta:hover {
  background: var(--color-aqua-dark);
  color: var(--color-white);
}

/* Back link on legal pages */
.header-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-aqua-dark);
  text-decoration: none;
  transition: color var(--transition);
}
.header-back:hover { color: var(--color-aqua-deeper); }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(0,0,0,0.40) 0%,
    rgba(0,0,0,0.25) 50%,
    rgba(0,0,0,0.50) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 45rem;
  padding: 7.5rem 1.5rem 5rem;
  animation: fadeUp 1s ease-out 0.3s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(1.875rem); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-aqua-glow);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  margin-bottom: 2.25rem;
  max-width: 35rem;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-aqua);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-aqua-dark);
  color: var(--color-white);
  transform: translateY(-0.125rem);
  box-shadow: 0 0.5rem 1.5rem rgba(43,181,173,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-aqua-dark);
  border: 2px solid var(--color-aqua-dark);
}
.btn--outline:hover {
  background: var(--color-aqua-dark);
  color: var(--color-white);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-charcoal);
}
.btn--gold:hover {
  background: #f7d97a;
  color: var(--color-charcoal);
  transform: translateY(-0.125rem);
  box-shadow: 0 0.5rem 1.5rem rgba(240,199,94,0.45);
}

/* ---- Services ---- */
.services {
  padding: var(--section-pad) 0;
  background: var(--color-sand-light);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-aqua);
  margin-bottom: 0.75rem;
  text-align: center;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-gray-600);
  max-width: 37.5rem;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-white);
  border-radius: 0.625rem;
  padding: 1.875rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 0.75rem 2rem rgba(0,0,0,0.08);
  border-color: var(--color-aqua);
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 3.125rem;
  height: 3.125rem;
  border-radius: 0.75rem;
  background: var(--color-aqua-light);
  color: var(--color-aqua);
}

.service-card__text h3 {
  font-size: 1.12rem;
  margin-bottom: 0.375rem;
}

.service-card__text p {
  color: var(--color-gray-600);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---- About ---- */
.about {
  padding: var(--section-pad) 0;
  background: var(--color-white);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.75rem;
  align-items: center;
}

.about__text .section-label,
.about__text .section-title { text-align: left; }

.about__text p {
  color: var(--color-gray-600);
  margin-bottom: 1rem;
  font-size: 1.02rem;
}

.about__highlights {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}
.about__highlights li {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.75rem 0;
  font-size: 1rem;
  color: var(--color-charcoal-light);
}
.about__highlights li svg {
  flex-shrink: 0;
  margin-top: 0.1875rem;
  color: var(--color-aqua);
}

.about__card {
  background: var(--color-sand);
  border-radius: 0.875rem;
  padding: 3rem 2.25rem;
  text-align: center;
  border: 2px solid var(--color-sand-warm);
}

.about__card-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-aqua);
  margin-bottom: 0.5rem;
}
.about__card h3 { font-size: 1.6rem; margin-bottom: 1rem; }
.about__card p {
  color: var(--color-gray-600);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

/* ---- CTA Banner ---- */
.cta-banner {
  padding: 4rem 0;
  background: var(--color-aqua);
  text-align: center;
  color: var(--color-white);
}
.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-white);
  margin-bottom: 0.75rem;
}
.cta-banner p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 1.75rem;
  font-size: 1.05rem;
}

/* ---- Contact Strip ---- */
.contact-strip {
  padding: var(--section-pad) 0;
  background: var(--color-sand-light);
}

.contact-strip__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.25rem, 1fr));
  gap: 2.25rem;
  text-align: center;
}

.contact-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem; height: 3.25rem;
  border-radius: 50%;
  background: var(--color-aqua-light);
  color: var(--color-aqua);
  margin-bottom: 1rem;
}
.contact-item h3 { font-size: 1.1rem; margin-bottom: 0.375rem; }
.contact-item p, .contact-item a {
  color: var(--color-gray-600);
  font-size: 0.98rem;
}
.contact-item a:hover { color: var(--color-aqua); }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-charcoal);
  color: rgba(255,255,255,0.6);
  padding: 2.5rem 0 1.75rem;
  text-align: center;
}

.footer__logo {
  display: inline-block;
  margin-bottom: 1.25rem;
}

.footer__logo img {
  height: auto;
  width: 11.25rem;
}

.footer__nap {
  margin-bottom: 1rem;
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer__nap a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer__nap a:hover {
  color: var(--color-aqua-glow);
}

.footer__bottom {
  font-size: 0.84rem;
  line-height: 1.8;
}

.footer__bottom a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__bottom a:hover {
  color: var(--color-aqua-glow);
}

.footer__divider {
  margin: 0 0.5rem;
  color: rgba(255,255,255,0.25);
}

/* ---- Legal Pages ---- */
.page-header {
  padding: 8.75rem 0 3.75rem;
  background: var(--color-sand);
  text-align: center;
}
.page-header h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.page-header p { color: var(--color-gray-600); margin-top: 0.5rem; }

.legal-content { padding: 3.75rem 0 var(--section-pad); }
.legal-content .container { max-width: 48.75rem; }
.legal-content h2 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-sand-warm);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { margin-bottom: 0.875rem; color: var(--color-charcoal-light); }
.legal-content ul { margin: 0 0 1rem 1.25rem; color: var(--color-charcoal-light); }
.legal-content ul li { margin-bottom: 0.5rem; line-height: 1.65; }
.legal-content a {
  color: var(--color-aqua-dark);
  text-decoration: underline;
  text-underline-offset: 0.125rem;
}

/* ---- Back to Top Button ---- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  width: 3rem;
  height: 3rem;
  border: none;
  border-radius: 50%;
  background: var(--color-aqua);
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(1rem);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
  box-shadow: 0 0.25rem 1rem rgba(0,0,0,0.15);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-aqua-dark);
  box-shadow: 0 0.375rem 1.25rem rgba(43,181,173,0.4);
}

/* ---- Section Reveal Animations ---- */
.section--hidden {
  opacity: 0;
  transform: translateY(2rem);
}

.section--visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

/* ---- Card Stagger Animations ---- */
.card--hidden {
  opacity: 0;
  transform: translateY(1.25rem);
}

.card--visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.service-card:nth-child(1).card--visible { transition-delay: 0s; }
.service-card:nth-child(2).card--visible { transition-delay: 0.1s; }
.service-card:nth-child(3).card--visible { transition-delay: 0.2s; }
.service-card:nth-child(4).card--visible { transition-delay: 0.3s; }
.service-card:nth-child(5).card--visible { transition-delay: 0.4s; }
.service-card:nth-child(6).card--visible { transition-delay: 0.5s; }

/* ---- Responsive ---- */
@media (max-width: 48rem) {
  :root { --section-pad: 3.5rem; }

  .about__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .services__grid { grid-template-columns: 1fr; }
  .service-card { flex-direction: column; text-align: center; align-items: center; }
  .hero__content { padding: 6.25rem 1.25rem 3.75rem; }
  .site-logo img { height: 3.25rem; }
  .header-cta span { display: none; }
  .contact-strip__inner { grid-template-columns: 1fr; }
  .page-header { padding: 6.5rem 0 2.5rem; }

  .footer__bottom p {
    display: block;
    text-align: center;
  }
  .footer__bottom a {
    display: block;
    margin-top: 0.25rem;
  }
  .footer__divider { display: none; }
  .back-to-top { bottom: 1.25rem; right: 1.25rem; width: 2.75rem; height: 2.75rem; }
}