/* Nafas · base (v2) */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink-2); font-family: var(--font-sans); font-size: var(--text-base); line-height: 1.5; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--sun); color: var(--ink); }
:focus-visible { outline: .125rem solid var(--blue); outline-offset: .125rem; border-radius: var(--radius-xs); }
[hidden] { display: none !important; }
.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; }

/* type */
.display, h1, h2, h3 { font-family: var(--font-sans); font-weight: 800; color: var(--ink); letter-spacing: -.03em; line-height: 1.1; }
h1 { font-size: var(--text-4xl); line-height: 1.05; }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); letter-spacing: -.02em; line-height: 1.2; }
h4 { font-weight: 700; font-size: var(--text-md); line-height: 1.3; letter-spacing: -.01em; color: var(--ink); }
em, .ital { font-style: normal; color: var(--blue); }
.lede { font-size: var(--text-md); line-height: 1.5; color: var(--ink-2); max-width: 34em; }
.eyebrow { font-weight: 700; font-size: var(--text-sm); letter-spacing: 0; color: var(--ink-3); }
.eyebrow--ink { color: var(--ink); }
.muted { color: var(--ink-3); }
.small { font-size: var(--text-sm); }
.num { font-weight: 800; font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.04em; color: var(--ink); }
.ar { font-family: var(--font-arabic); direction: rtl; unicode-bidi: isolate; line-height: 1.9; }
.measure { max-width: 62ch; }
.link { text-decoration: underline; text-decoration-thickness: .09em; text-underline-offset: .18em; font-weight: 600; color: var(--ink); }
.link:hover { color: var(--blue); }
.arrow-link { display: inline-flex; align-items: center; gap: .4em; font-weight: 700; color: var(--ink); }
.arrow-link svg { width: 1em; height: 1em; transition: transform var(--dur-fast) var(--ease-out); }
.arrow-link:hover { color: var(--blue); }
.arrow-link:hover svg { transform: translateX(3px); }

/* layout */
.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.container--narrow { width: min(100% - 2 * var(--gutter), var(--container-narrow)); margin-inline: auto; }
.section { padding-block: var(--space-9); }
.section--tight { padding-block: var(--space-8); }
.section--flush { padding-block: 0; }
.section--night { background: var(--night); color: var(--ink-inverse); }
.section--night h1, .section--night h2, .section--night h3, .section--night h4, .section--night .num { color: var(--ink-inverse); }
.section--night .muted, .section--night .lede { color: var(--ink-inverse-2); }
.section--night .eyebrow { color: var(--ink-inverse-3); }
.section--paper-2 { background: var(--bg-2); }
.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-7); align-items: center; }
.split--even { grid-template-columns: 1fr 1fr; }
.stack > * + * { margin-top: var(--space-4); }
.stack--lg > * + * { margin-top: var(--space-6); }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.rule--dotted { border-top-style: dotted; border-top-color: var(--line-strong); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-5); align-items: end; margin-bottom: var(--space-6); }
.section-head h2 { max-width: 18em; }
.section-head .eyebrow { margin-bottom: var(--space-2); display: block; }
.section-head--center { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.section-head--center h2 { max-width: 20em; }
.section-head--center .lede { margin-top: var(--space-3); }
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .split--even { grid-template-columns: 1fr; gap: var(--space-6); }
  .section { padding-block: var(--space-8); }
  .section-head { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-7); }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; height: 3rem; padding: 0 1.5rem; border-radius: var(--radius-pill); font-weight: 700; font-size: 1rem; line-height: 1; white-space: nowrap; border: .125rem solid transparent; box-shadow: var(--shadow-btn); transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-deep); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; }
.btn--safran { background: var(--saffron); color: var(--ink); }
.btn--safran:hover { background: #E7761E; }
.btn--sun { background: var(--sun); color: var(--ink); }
.btn--sun:hover { background: #F2C300; }
.btn--ghost { border-color: var(--line-strong); color: var(--ink); background: transparent; box-shadow: none; }
.btn--ghost:hover { border-color: var(--ink); }
.btn--paper { background: #fff; color: var(--ink); }
.btn--paper:hover { background: var(--bg); }
.btn--whatsapp { background: var(--whatsapp); color: #fff; }
.btn--whatsapp:hover { background: #1FB85A; }
.btn--lg { height: 3.5rem; padding-inline: 1.9rem; font-size: 1.0625rem; }
.btn--sm { height: 2.375rem; padding-inline: 1rem; font-size: var(--text-sm); }
.btn--block { width: 100%; }
.section--night .btn--ghost { border-color: var(--line-inverse); color: #fff; }
.section--night .btn--ghost:hover { border-color: #fff; }
.section--night .btn--primary { background: #fff; color: var(--ink); }
.section--night .btn--primary:hover { background: var(--bg); }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--bg); border-bottom: 1px solid transparent; transition: border-color var(--dur-base), background var(--dur-base); }
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(249, 244, 238, .96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.site-header__inner { height: var(--header-h); display: flex; align-items: center; gap: var(--space-5); }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.5rem; letter-spacing: -.04em; line-height: 1; color: var(--ink); }
.brand svg { width: 1.9rem; height: 1.9rem; flex: none; }
.brand__tag { display: none; font-weight: 600; font-size: var(--text-xs); color: var(--ink-3); letter-spacing: 0; margin-left: .35rem; padding-left: .85rem; border-left: 1px solid var(--line-strong); }
@media (min-width: 1320px) { .brand__tag { display: inline; max-width: 9rem; line-height: 1.1; } }
.nav { display: flex; gap: var(--space-4); margin-left: var(--space-2); }
.nav a { white-space: nowrap; font-size: var(--text-sm); font-weight: 700; color: var(--ink-2); padding: .5rem .25rem; border-radius: var(--radius-xs); transition: color var(--dur-fast) var(--ease-out); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-2); flex: none; }
.header-actions .btn { height: 2.75rem; padding-inline: 1.15rem; font-size: var(--text-sm); }
.nav-toggle { display: none; width: 3rem; height: 3rem; border-radius: 50%; border: .125rem solid var(--line-strong); align-items: center; justify-content: center; }
.nav-toggle svg { width: 1.25rem; height: 1.25rem; }
@media (max-width: 1000px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn--ghost { display: none; }
}
.mobile-nav { position: fixed; inset: var(--header-h) 0 0 0; z-index: 49; background: var(--bg); padding: var(--space-5) var(--gutter); display: none; flex-direction: column; gap: 0; overflow: auto; }
.mobile-nav.is-open { display: flex; }
.mobile-nav a { font-weight: 800; letter-spacing: -.02em; font-size: var(--text-2xl); padding: var(--space-3) 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.mobile-nav .mobile-nav__cta { margin-top: var(--space-5); display: grid; gap: var(--space-3); }

/* quick exit */
.quick-exit { position: fixed; right: var(--gutter); bottom: 1.25rem; z-index: 60; display: inline-flex; align-items: center; gap: .5rem; height: 2.75rem; padding: 0 1rem 0 .8rem; border-radius: var(--radius-pill); background: var(--ink); color: #fff; font-size: var(--text-sm); font-weight: 700; box-shadow: var(--shadow-md); }
.quick-exit svg { width: 1rem; height: 1rem; }
.quick-exit kbd { font-family: var(--font-mono); font-size: .65rem; font-weight: 400; opacity: .7; border: 1px solid var(--line-inverse); border-radius: 4px; padding: .1rem .3rem; }
@media (max-width: 600px) { .quick-exit kbd { display: none; } }

/* footer */
.site-footer { background: var(--footer); color: var(--ink-inverse); padding-block: var(--space-8) var(--space-6); border-radius: var(--radius-lg) var(--radius-lg) 0 0; margin-top: var(--space-4); }
.site-footer a:hover { color: var(--sun); }
.site-footer .brand { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-6); padding-bottom: var(--space-7); border-bottom: 1px solid var(--line-inverse); }
.footer-grid h4 { font-weight: 700; font-size: var(--text-sm); color: var(--ink-inverse-3); margin-bottom: var(--space-4); }
.footer-grid li + li { margin-top: .6rem; }
.footer-grid a { color: var(--ink-inverse-2); font-size: var(--text-sm); font-weight: 600; }
.footer-brand p { color: var(--ink-inverse-2); font-size: var(--text-sm); max-width: 28em; margin-top: var(--space-4); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-6); justify-content: space-between; padding-top: var(--space-5); padding-bottom: 3.25rem; font-size: var(--text-xs); color: var(--ink-inverse-3); }
.footer-bottom .ar { font-size: 1rem; color: var(--ink-inverse-2); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* reveal */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); transition-delay: var(--delay, 0ms); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* images */
.img-frame { overflow: hidden; border-radius: var(--radius-md); background: var(--bg-2); }
.img-frame img { width: 100%; height: 100%; object-fit: cover; }
.img-frame--3x4 { aspect-ratio: 3 / 4; }
.img-frame--4x3 { aspect-ratio: 4 / 3; }
.img-frame--16x9 { aspect-ratio: 16 / 9; }
.img-frame--square { aspect-ratio: 1; }
figcaption { font-size: var(--text-xs); color: var(--ink-3); margin-top: var(--space-2); }

/* header over dark blocks: kept for compatibility, now a no-op */
.site-header.is-dark { }