/* ============================================================
   Jose R. Charcon, PTA — Physical Therapy, Centreville VA
   Palette: deep pine + warm cream + burnt amber accent
   Type: Fraunces (display) + Hanken Grotesk (body)
   ============================================================ */

:root {
  --ink: #16261f;          /* near-black pine, body text */
  --pine: #1f4034;         /* primary brand green */
  --pine-deep: #16302a;    /* darker pine */
  --pine-soft: #2c5645;    /* lifted pine for gradients */
  --sand: #f4efe4;         /* warm cream page bg */
  --sand-2: #ece3d2;       /* deeper cream */
  --cream: #fbf8f1;        /* card cream */
  --amber: #c66a3a;        /* burnt terracotta accent */
  --amber-soft: #e7b48f;   /* light amber on dark */
  --sage: #8aa693;         /* muted sage */
  --line: #dcd3c1;         /* hairlines on cream */
  --line-dark: #ffffff1f;  /* hairlines on pine */

  --nav-h: 74px;
  --wrap: 1200px;
  --radius: 18px;
  --shadow: 0 24px 60px -30px rgba(22, 48, 42, 0.45);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --f-display: "Fraunces", Georgia, "Times New Roman", serif;
  --f-body: "Hanken Grotesk", system-ui, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.6;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3rem); }

.eyebrow {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--amber-soft); margin: 0 0 1rem;
}
.eyebrow--dark { color: var(--amber); }

.section__title {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(2rem, 1.3rem + 2.9vw, 3.4rem);
  line-height: 1.04; letter-spacing: -0.015em; margin: 0 0 1rem;
  font-optical-sizing: auto;
}
.section__title--light { color: var(--sand); }
.section__lede { max-width: 54ch; color: color-mix(in srgb, var(--ink) 78%, transparent); margin: 0; font-size: 1.08rem; }

.skip-link {
  position: absolute; left: 1rem; top: -60px; z-index: 200;
  background: var(--pine); color: var(--sand); padding: 0.6rem 1rem;
  border-radius: 10px; transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* ---------------- Buttons ---------------- */
.btn {
  --bg: var(--pine); --fg: var(--sand);
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: var(--bg); color: var(--fg);
  font-family: var(--f-body); font-weight: 600; font-size: 0.98rem;
  padding: 0.85rem 1.4rem; border-radius: 999px; border: 1.5px solid transparent;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, color 0.25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(22,48,42,0.55); }
.btn:active { transform: translateY(0); }
.btn .ico { width: 1.15em; height: 1.15em; }
.btn--amber { --bg: var(--amber); --fg: #fff; }
.btn--amber:hover { box-shadow: 0 14px 34px -12px rgba(198,106,58,0.6); }
.btn--sm { padding: 0.6rem 1.05rem; font-size: 0.9rem; }
.btn--lg { padding: 1.05rem 1.9rem; font-size: 1.08rem; }
.btn--ghost {
  --bg: transparent; --fg: var(--sand);
  border-color: color-mix(in srgb, var(--sand) 45%, transparent);
}
.btn--ghost:hover { background: color-mix(in srgb, var(--sand) 12%, transparent); }
.btn--ghost-dark { --fg: var(--pine); border-color: var(--line); }
.btn--ghost-dark:hover { background: var(--pine); --fg: var(--sand); border-color: var(--pine); }

/* ---------------- Nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--sand) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-color: var(--line); background: color-mix(in srgb, var(--sand) 92%, transparent); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--pine); }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text {
  font-family: var(--f-display); font-weight: 600; font-size: 1.16rem;
  letter-spacing: -0.01em; display: inline-flex; align-items: baseline; gap: 0.4rem;
}
.brand__tag {
  font-family: var(--f-body); font-weight: 700; font-size: 0.62rem; letter-spacing: 0.14em;
  color: var(--amber); background: color-mix(in srgb, var(--amber) 14%, transparent);
  padding: 0.16rem 0.42rem; border-radius: 6px; transform: translateY(-1px);
}

.nav__links { display: flex; align-items: center; gap: 1.75rem; }
.nav__links a { text-decoration: none; font-weight: 500; color: var(--ink); font-size: 0.98rem; transition: color 0.2s; }
.nav__links > a:not(.btn):hover { color: var(--amber); }
.nav__links > a:not(.btn) { position: relative; }
.nav__links > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -5px; height: 2px; width: 0;
  background: var(--amber); transition: width 0.25s var(--ease);
}
.nav__links > a:not(.btn):hover::after { width: 100%; }

.nav__toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px;
  align-items: center; justify-content: center; background: none; border: 0; cursor: pointer;
}
.nav__toggle span { width: 24px; height: 2px; background: var(--pine); border-radius: 2px; transition: transform 0.3s, opacity 0.2s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; min-height: calc(100svh - var(--nav-h));
  display: flex; align-items: center;
  background:
    radial-gradient(120% 90% at 82% 8%, var(--pine-soft) 0%, var(--pine) 42%, var(--pine-deep) 100%);
  color: var(--sand); overflow: hidden;
}
.hero__grain, .finale__grain {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5; mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero::after {
  content: ""; position: absolute; left: -12%; bottom: -30%; width: 46%; height: 90%;
  background: radial-gradient(circle, color-mix(in srgb, var(--amber) 24%, transparent) 0%, transparent 68%);
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.18fr 0.82fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center; padding-block: clamp(2rem, 6vh, 4.5rem);
}
.hero__copy { max-width: 40ch; }
.hero__title {
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(2.7rem, 1.7rem + 4.6vw, 5.4rem);
  line-height: 0.98; letter-spacing: -0.02em; margin: 0 0 1.35rem;
  font-optical-sizing: auto;
}
.hero__title em { font-style: italic; color: var(--amber-soft); font-weight: 400; }
.hero__sub { font-size: clamp(1.02rem, 0.98rem + 0.3vw, 1.2rem); color: color-mix(in srgb, var(--sand) 88%, transparent); margin: 0 0 1.9rem; max-width: 42ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 1.6rem; }
.hero__proof {
  display: inline-flex; align-items: center; gap: 0.5rem; margin: 0;
  font-size: 0.94rem; color: color-mix(in srgb, var(--sand) 74%, transparent); font-weight: 500;
}
.hero__proof .ico--pin { width: 1.05rem; height: 1.05rem; color: var(--amber-soft); }

.hero__card {
  background: color-mix(in srgb, #0e211c 55%, transparent);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius); padding: 1.7rem 1.6rem;
  backdrop-filter: blur(6px); box-shadow: var(--shadow);
}
.hero__card-kicker {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--amber-soft);
}
.hero__card-list { list-style: none; margin: 1.1rem 0 1.2rem; padding: 0; display: grid; gap: 0.9rem; }
.hero__card-list li {
  display: flex; gap: 0.8rem; align-items: baseline;
  font-family: var(--f-display); font-size: 1.12rem; font-weight: 500; color: var(--sand);
  padding-bottom: 0.9rem; border-bottom: 1px solid var(--line-dark);
}
.hero__card-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero__card-list span {
  font-family: var(--f-body); font-size: 0.72rem; font-weight: 700; color: var(--amber);
  flex: none; width: 1.6rem;
}
.hero__card-foot { margin: 0; font-size: 0.9rem; color: color-mix(in srgb, var(--sand) 68%, transparent); }

/* ---------------- Sections shared ---------------- */
.section { padding-block: clamp(4rem, 9vh, 7.5rem); }
.section__head { max-width: 62ch; margin-bottom: clamp(2.4rem, 5vw, 3.6rem); }

/* ---------------- Care ---------------- */
.care { background: var(--sand); position: relative; }
.care__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem;
}
.card {
  background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem 1.6rem; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--amber) 40%, var(--line)); }
.card__ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 13px; margin-bottom: 1.1rem;
  color: var(--pine); background: color-mix(in srgb, var(--pine) 9%, transparent);
}
.card:hover .card__ico { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); }
.card__ico svg { width: 26px; height: 26px; }
.card h3 { font-family: var(--f-display); font-weight: 500; font-size: 1.28rem; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: color-mix(in srgb, var(--ink) 74%, transparent); font-size: 0.98rem; }

.care__note { text-align: center; margin: clamp(2.2rem, 5vw, 3.2rem) 0 0; font-size: 1.1rem; font-family: var(--f-display); color: color-mix(in srgb, var(--ink) 80%, transparent); }
.care__note a { color: var(--amber); text-underline-offset: 4px; text-decoration-thickness: 1.5px; }

/* ---------------- Approach ---------------- */
.approach {
  background:
    radial-gradient(110% 120% at 12% 0%, var(--pine-soft) 0%, var(--pine) 45%, var(--pine-deep) 100%);
  color: var(--sand);
}
.approach__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.approach__lede { color: color-mix(in srgb, var(--sand) 84%, transparent); font-size: 1.1rem; margin: 0 0 2rem; max-width: 46ch; }
.approach__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; }
.approach__list li { display: flex; gap: 1.2rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--line-dark); }
.approach__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.approach__num { font-family: var(--f-display); font-size: 1.6rem; color: var(--amber-soft); font-weight: 500; flex: none; line-height: 1; }
.approach__list h3 { font-family: var(--f-display); font-weight: 500; font-size: 1.32rem; margin: 0 0 0.35rem; }
.approach__list p { margin: 0; color: color-mix(in srgb, var(--sand) 78%, transparent); }

/* ---------------- Trust band ---------------- */
.trust { background: var(--pine-deep); color: var(--sand); padding-block: clamp(2rem, 4vw, 2.75rem); border-top: 1px solid var(--line-dark); }
.trust__row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.trust__item { text-align: center; display: flex; flex-direction: column; gap: 0.25rem; }
.trust__item strong { font-family: var(--f-display); font-weight: 600; font-size: 1.7rem; color: var(--amber-soft); letter-spacing: -0.01em; }
.trust__item span { font-size: 0.9rem; color: color-mix(in srgb, var(--sand) 76%, transparent); }

/* ---------------- Visit ---------------- */
.visit { background: var(--sand-2); }
.visit__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.visit__details { display: grid; gap: 1.3rem; margin: 2rem 0; }
.visit__details div { display: grid; gap: 0.3rem; }
.visit__details dt { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pine); }
.visit__details dt .ico { width: 1.05rem; height: 1.05rem; color: var(--amber); }
.visit__details dd { margin: 0; font-size: 1.12rem; font-family: var(--f-display); color: var(--ink); }
.visit__details dd a { color: var(--ink); text-decoration: none; }
.visit__details dd a:hover { color: var(--amber); }
.visit__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.visit__map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: var(--cream); }
.visit__map iframe { width: 100%; height: clamp(320px, 42vw, 460px); border: 0; filter: saturate(0.9) contrast(1.02); }

/* ---------------- Finale ---------------- */
.finale {
  position: relative; overflow: hidden; color: var(--sand); text-align: center;
  padding-block: clamp(4.5rem, 10vh, 8rem);
  background: radial-gradient(120% 120% at 50% 0%, var(--pine-soft) 0%, var(--pine) 45%, var(--pine-deep) 100%);
}
.finale::after {
  content: ""; position: absolute; left: 50%; top: -20%; width: 60%; height: 80%; transform: translateX(-50%);
  background: radial-gradient(circle, color-mix(in srgb, var(--amber) 20%, transparent) 0%, transparent 66%);
}
.finale__inner { position: relative; z-index: 1; }
.finale__title { font-family: var(--f-display); font-weight: 400; font-size: clamp(2.1rem, 1.4rem + 3vw, 3.8rem); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 1rem; }
.finale__sub { color: color-mix(in srgb, var(--sand) 82%, transparent); font-size: 1.12rem; max-width: 46ch; margin: 0 auto 2rem; }

/* ---------------- Footer ---------------- */
.footer { background: var(--ink); color: color-mix(in srgb, var(--sand) 82%, transparent); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.brand--footer { color: var(--sand); }
.brand--footer .brand__mark { width: 30px; height: 30px; }
.footer__brand p { margin: 0.9rem 0 0; font-size: 0.95rem; max-width: 34ch; color: color-mix(in srgb, var(--sand) 62%, transparent); }
.footer__nav { display: flex; flex-direction: column; gap: 0.7rem; }
.footer__nav a { text-decoration: none; font-size: 0.96rem; transition: color 0.2s; }
.footer__nav a:hover { color: var(--amber-soft); }
.footer__addr { font-style: normal; font-size: 0.96rem; line-height: 1.7; color: color-mix(in srgb, var(--sand) 62%, transparent); }
.footer__addr a { color: color-mix(in srgb, var(--sand) 82%, transparent); text-decoration: none; }
.footer__addr a:hover { color: var(--amber-soft); }
.footer__base {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding-block: 1.5rem; border-top: 1px solid #ffffff14; font-size: 0.84rem;
  color: color-mix(in srgb, var(--sand) 48%, transparent);
}

/* ---------------- Reveal animations ---------------- */
.reveal { opacity: 1; }
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
html.js .reveal.in[data-d="1"] { transition-delay: 0.08s; }
html.js .reveal.in[data-d="2"] { transition-delay: 0.16s; }
html.js .reveal.in[data-d="3"] { transition-delay: 0.24s; }
html.js .reveal.in[data-d="4"] { transition-delay: 0.32s; }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__card { order: 2; }
  .approach__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .visit__grid { grid-template-columns: 1fr; }
  .care__grid { grid-template-columns: repeat(2, 1fr); }
  .trust__row { grid-template-columns: repeat(2, 1fr); gap: 1.75rem 1rem; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  :root { --nav-h: 66px; }
  /* Mobile nav: hidden by DISPLAY (not just [hidden]) until toggled */
  .nav__toggle { display: flex; }
  .nav__links {
    display: none;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0.25rem;
    background: var(--cream); border-bottom: 1px solid var(--line);
    padding: 1rem clamp(1.25rem, 4vw, 3rem) 1.5rem; box-shadow: var(--shadow);
  }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 0.75rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .nav__links a:last-child { border-bottom: 0; }
  .nav__links .btn { justify-content: center; margin-top: 0.6rem; }
  .nav__links > a:not(.btn)::after { display: none; }

  .hero__title { font-size: clamp(2.5rem, 1.4rem + 8vw, 3.4rem); }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
  .care__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; gap: 0.4rem; }
}

@media (max-width: 380px) {
  .trust__row { grid-template-columns: 1fr; }
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .card:hover { transform: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}