/**
 * Fast Talk — Base Typography & Editorial Layout System
 * Zero generic AI grid lines, zero badge soup, authentic human craft.
 */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  width: 100%;
}

body {
  min-height: 100vh;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  overflow-x: hidden;
  width: 100%;
  position: relative;
  transition: background-color 240ms ease, color 240ms ease;
}

img, picture, video {
  display: block;
  max-width: 100%;
}

svg {
  flex-shrink: 0;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

::selection {
  background: var(--text-primary);
  color: var(--bg-canvas);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 32px;
}

/* Editorial Display & Section Typography */
.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.muted-phrase {
  color: var(--text-tertiary);
}

.section-block {
  padding: 120px 0;
  position: relative;
}

.section-intro {
  max-width: 680px;
  margin-bottom: 56px;
}

.section-intro.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  display: block;
}

.section-heading {
  font-size: clamp(34px, 4.2vw, 54px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.038em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-sub {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.5;
  letter-spacing: -0.012em;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Primary Sculpted Download Button */
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--text-primary);
  color: var(--bg-canvas);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.015em;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 28px -6px rgba(0, 0, 0, 0.22);
  transition: transform 180ms var(--ease-spring), opacity 180ms ease, box-shadow 180ms ease;
}

.btn-download:hover {
  transform: translateY(-1.5px);
  opacity: 0.92;
  box-shadow: 0 14px 34px -6px rgba(0, 0, 0, 0.28);
}

.btn-download:active {
  transform: translateY(0);
}

.btn-download svg {
  width: 17px;
  height: 17px;
}