/* AiFlo — base reset + typography + reusable primitives */

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

html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* Slightly tighter spacing fits the lean, modern Geist/Onest feel */
  letter-spacing: -0.005em;
}

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

a { color: inherit; text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--color-primary); }

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; }

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: var(--lh-tight); letter-spacing: -0.02em; }
p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.section { padding-block: var(--section-py); position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 6px;
  background: var(--color-bg);
  border-radius: var(--r-pill);
  font-size: var(--eyebrow-fs);
  font-weight: var(--eyebrow-fw);
  letter-spacing: var(--eyebrow-ls);
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--color-text);
  box-shadow: 0 0 0 1px rgba(36,36,38,0.05);
}
.eyebrow__icon {
  width: 22px;
  height: 22px;
  border-radius: var(--r-pill);
  background: var(--color-primary);
  display: grid;
  place-items: center;
  color: #fff;
  flex-shrink: 0;
}
.eyebrow__icon i,
.eyebrow__icon [data-lucide] {
  width: 12px;
  height: 12px;
  stroke-width: 2.2;
}

/* Buttons ---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 4px 24px 4px 4px;
  border-radius: var(--r-xl);
  font-weight: 700;
  font-size: 18px;
  line-height: 28px;
  background: var(--color-text-thunder);
  color: #fff;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
  outline-offset: 4px;
}
.btn:hover { color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn__icon {
  width: 56px; height: 56px;
  border-radius: var(--r-lg);
  background: var(--color-primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: #fff;
}
.btn__icon i,
.btn__icon [data-lucide] { width: 24px; height: 24px; stroke-width: 2; }

.btn--ghost {
  background: transparent; color: var(--color-text);
  padding: 12px 20px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px;
  border: 1px solid transparent;
}
.btn--ghost:hover { background: rgba(36,36,38,0.06); color: var(--color-text); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px;
  gap: 8px;
}
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; }

/* Section heading block ------------------------------------- */
.section-head { max-width: 760px; margin-inline: auto; text-align: center; margin-bottom: 64px; }
.section-head__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 6px 14px;
  border-radius: var(--r-pill);
  margin-bottom: 20px;
}
.section-head h2 {
  font-size: var(--fs-section-h2);
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  text-wrap: balance;
}

/* Auto-balance every section h2 so lines split nicely without orphans.
   Pages can opt out per-element if they need a deliberate <br/>. */
section h2 { text-wrap: balance; }
.section-head p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Card primitive */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-card);
}

/* Reveal-on-scroll (CSS fallback when GSAP isn't loaded) */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 360ms var(--ease), transform 360ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Selection */
::selection { background: var(--color-primary); color: #fff; }

/* Focus */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }

/* Utility */
.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;
}
.no-scroll { overflow: hidden; }