/* ANAVELA S.A. — style.css */
:root {
  --bg: #f4efe6;
  --bg-2: #ebe4d6;
  --ink: #1f1d1a;
  --mute: #6a655c;
  --line: rgba(31, 29, 26, .18);
  --accent: #a8432a;
  --accent-lt: #e0866a;
  --err: #9b2c1a;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --max: 1240px;
  --sec: clamp(4.5rem, 10vw, 9rem);
  --ease: .25s ease;
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1rem/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
body.lock { overflow: hidden; }
svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--serif); font-weight: 500; line-height: 1.08; letter-spacing: -.02em; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--pad); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.num { display: block; font-size: .85rem; font-weight: 500; color: var(--accent); margin-bottom: 1rem; }
.lead { font-size: 1.15rem; color: var(--mute); max-width: 34rem; }

/* Buttons & links */
.btn { display: inline-block; padding: .95rem 1.6rem; background: var(--ink); color: var(--bg); border: 1px solid var(--ink); border-radius: 2px; font: 500 .9rem var(--sans); cursor: pointer; transition: background var(--ease), border-color var(--ease), color var(--ease); }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn-sm { padding: .5rem 1rem; font-size: .82rem; background: transparent; color: var(--ink); }
.btn-sm:hover { color: #fff; }
.link { border-bottom: 1px solid currentColor; padding-bottom: 2px; transition: color var(--ease); }
.link:hover { color: var(--accent); }

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; border-bottom: 1px solid transparent; transition: background var(--ease), border-color var(--ease); }
.site-header.scrolled { background: rgba(244, 239, 230, .96); border-color: var(--line); }
.bar { max-width: var(--max); margin: 0 auto; padding: 1.5rem var(--pad); display: flex; justify-content: space-between; align-items: center; transition: padding var(--ease); }
.scrolled .bar { padding-block: .75rem; }
.logo { position: relative; z-index: 2; font: 600 1.15rem var(--serif); letter-spacing: .14em; }
.logo sup { font: 500 .55rem var(--sans); letter-spacing: .08em; color: var(--accent); margin-left: .3rem; vertical-align: top; }
.nav { display: flex; align-items: center; gap: 2rem; font-size: .88rem; }
.nav a:not(.btn) { position: relative; padding: .2rem 0; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--ease); }
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.menu-btn { display: none; position: relative; z-index: 2; width: 2.5rem; height: 2.5rem; padding: 0; background: none; border: 0; cursor: pointer; }
.menu-btn span:not(.sr) { position: absolute; left: .5rem; right: .5rem; height: 1.5px; background: var(--ink); transition: transform var(--ease), top var(--ease); }
.menu-btn span:nth-child(1) { top: 1rem; }
.menu-btn span:nth-child(2) { top: 1.5rem; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { top: 1.25rem; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { top: 1.25rem; transform: rotate(-45deg); }

/* Hero */
.hero { max-width: var(--max); margin: 0 auto; padding: 9rem var(--pad) var(--sec); display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: end; }
.tag { display: flex; align-items: center; gap: .75rem; font-size: .88rem; color: var(--mute); }
.tag::before { content: ""; width: 2.5rem; height: 1px; background: var(--accent); }
.hero h1 { font-size: clamp(2.8rem, 7vw, 6rem); margin: 1.5rem 0; max-width: 12ch; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.75rem; margin-top: 2rem; }
.hero-art { position: relative; aspect-ratio: 4 / 5; }
.art-main { position: absolute; top: 0; right: 0; width: 82%; height: 88%; }
.art-arch { position: absolute; left: 0; top: 14%; width: 26%; aspect-ratio: 1 / 1.5; background: var(--accent); border-radius: 999px 999px 0 0; }
.art-note { position: absolute; left: 0; bottom: 0; width: 62%; padding: 1rem 1.2rem; background: var(--bg-2); border: 1px solid var(--line); font-size: .82rem; line-height: 1.5; color: var(--mute); }
.art-note strong { display: block; margin-bottom: .25rem; font: 500 1rem var(--serif); color: var(--ink); }

/* About */
.about { padding-block: var(--sec); }
.sec-head { display: grid; grid-template-columns: 1fr 3fr; gap: 2rem; margin-bottom: 4rem; }
.sec-head h2, .why h2 { font-size: clamp(2.1rem, 5vw, 4.2rem); max-width: 18ch; }
.about-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.about-art { margin: 0; }
.about-art svg { width: 100%; aspect-ratio: 6 / 7; }
.about-art figcaption { margin-top: .6rem; font-size: .78rem; color: var(--mute); }
.about-copy { padding-top: 4rem; }
.intro { font: 400 clamp(1.35rem, 2.4vw, 1.7rem)/1.4 var(--serif); }
.about-copy p:not(.intro):not(.statement) { color: var(--mute); max-width: 36rem; }
.statement { margin: 2rem 0; padding-left: 1.25rem; border-left: 3px solid var(--accent); font: italic 400 1.25rem/1.45 var(--serif); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2.5rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.facts dt { font: 500 2rem var(--serif); }
.facts dd { margin: 0; font-size: .82rem; color: var(--mute); }

/* Services */
.services { padding-block: var(--sec); background: var(--bg-2); border-block: 1px solid var(--line); }
.services-grid { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(2rem, 6vw, 6rem); }
.services-intro { position: sticky; top: 6rem; align-self: start; }
.services-intro h2 { font-size: clamp(2.4rem, 5vw, 4rem); margin-bottom: 1rem; }
.services-intro p { color: var(--mute); max-width: 22rem; }
.svc { display: grid; grid-template-columns: 2.5rem 2.5rem 1fr; gap: 1.5rem; padding: 2rem 0; border-top: 1px solid var(--line); transition: padding-left var(--ease); }
.svc:last-child { border-bottom: 1px solid var(--line); }
.svc:hover { padding-left: 1rem; }
.svc .n { padding-top: .6rem; font-size: .85rem; color: var(--mute); }
.ico { width: 2.5rem; height: 2.5rem; fill: none; stroke: var(--ink); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; transition: stroke var(--ease); }
.svc:hover .ico { stroke: var(--accent); }
.svc h3 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); margin-bottom: .5rem; }
.svc p { margin: 0; color: var(--mute); max-width: 34rem; }

/* Why us */
.why { padding-block: var(--sec); background: var(--ink); color: var(--bg); }
.why .num { color: var(--accent-lt); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4.5rem; border-top: 1px solid rgba(244, 239, 230, .22); }
.why-item { padding: 1.75rem 1.5rem 0 1.25rem; border-left: 1px solid rgba(244, 239, 230, .22); }
.why-item:nth-child(even) { margin-top: 3.5rem; }
.why-item:first-child { border-left: 0; padding-left: 0; }
.big { display: block; margin-bottom: 1.5rem; font: 400 clamp(3.5rem, 6vw, 5.5rem)/1 var(--serif); color: var(--accent-lt); }
.why-item h3 { font-size: 1.4rem; margin-bottom: .6rem; }
.why-item p { margin: 0; font-size: .95rem; color: rgba(244, 239, 230, .72); }

/* Contact */
.contact { padding-block: var(--sec); }
.contact-grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(2rem, 7vw, 6rem); }
.contact h2 { font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: 1.5rem; }
address { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-style: normal; }
address p { margin-bottom: 1.25rem; }
.form { padding: clamp(1.5rem, 4vw, 3rem); background: #fbf8f2; border: 1px solid var(--line); }
.field { margin-bottom: 1.25rem; }
label { display: block; margin-bottom: .2rem; font-size: .82rem; color: var(--mute); }
input, textarea { width: 100%; padding: .65rem 0; background: transparent; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; color: var(--ink); font: inherit; resize: vertical; transition: border-color var(--ease), box-shadow var(--ease); }
input:focus, textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 1px 0 var(--accent); }
.field.invalid input, .field.invalid textarea { border-color: var(--err); }
.err { display: block; min-height: 1.2rem; margin-top: .25rem; font-size: .8rem; color: var(--err); }
#form-status { margin: 1.25rem 0 0; font-size: .92rem; }
#form-status.ok { color: #2f5d3a; }
#form-status.bad { color: var(--err); }

/* Footer */
.site-footer { padding-top: 4rem; background: var(--ink); color: rgba(244, 239, 230, .72); font-size: .92rem; }
.site-footer .logo { color: var(--bg); }
.site-footer .logo sup { color: var(--accent-lt); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: 2.5rem; }
.foot-desc { max-width: 22rem; margin-top: 1rem; }
.site-footer h4 { margin-bottom: 1rem; font: 500 1rem var(--serif); color: var(--bg); }
.site-footer nav a, .foot-grid > div:last-child a { display: block; margin-bottom: .4rem; }
.site-footer a { transition: color var(--ease); }
.site-footer a:hover { color: var(--accent-lt); }
.foot-base { margin-top: 3rem; padding-block: 1.5rem; border-top: 1px solid rgba(244, 239, 230, .18); font-size: .82rem; }
.foot-base p { margin: 0; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in, .no-js .reveal { opacity: 1; transform: none; }
.hero-text .reveal:nth-child(2) { transition-delay: .08s; }
.hero-text .reveal:nth-child(3) { transition-delay: .16s; }
.hero-text .reveal:nth-child(4) { transition-delay: .24s; }

/* Tablet */
@media (max-width: 980px) {
  .hero, .about-grid, .services-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 7.5rem; }
  .hero-art { max-width: 28rem; }
  .sec-head { grid-template-columns: 1fr; gap: 0; margin-bottom: 2.5rem; }
  .about-copy { padding-top: 0; }
  .about-art { max-width: 26rem; }
  .services-intro { position: static; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-item:nth-child(even) { margin-top: 0; }
  .why-item:nth-child(3) { border-left: 0; padding-left: 0; }
  .why-item { padding-bottom: 2rem; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

/* Mobile navigation */
@media (max-width: 900px) {
  .menu-btn { display: block; }
  .nav { position: fixed; inset: 0 0 auto; z-index: 1; flex-direction: column; align-items: flex-start; gap: 1.1rem; padding: 6rem var(--pad) 2rem; background: var(--bg); border-bottom: 1px solid var(--line); font: 500 1.5rem var(--serif); transform: translateY(-100%); visibility: hidden; transition: transform .35s ease, visibility .35s; }
  .nav.open { transform: none; visibility: visible; }
  .nav .btn-sm { margin-top: .5rem; font-family: var(--sans); }
}

/* Mobile */
@media (max-width: 600px) {
  .svc { grid-template-columns: 2rem 1fr; gap: 1rem; }
  .svc .ico { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .why-item, .why-item:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid rgba(244, 239, 230, .22); margin-top: 0; }
  .why-item:first-child { border-top: 0; }
  .facts { grid-template-columns: 1fr; gap: 1rem; }
  .foot-grid { grid-template-columns: 1fr; }
  .art-note { width: 75%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}