/* ===========================================================
   ameershahul.com — v1
   Design system: "Case File"
   Bone canvas, editorial serif display, mono file marks.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;1,6..72,300;1,6..72,400&family=Archivo:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bone:      #FAF9F5;
  --surface:   #F3F1EA;
  --ink:       #17171B;
  --ink-soft:  #3A3A3F;
  --muted:     #7A776E;
  --rule:      #E3E0D7;
  --oxide:     #8C2F26;
  --oxide-pale:#F6ECEA;

  --serif: 'Newsreader', 'Lyon Text', Georgia, serif;
  --sans:  'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono:  'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  --measure: 68ch;
  --wrap: 1180px;
  --wrap-narrow: 760px;

  --step: 8px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0 0 1.1em; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--oxide); color: var(--bone); }

:focus-visible {
  outline: 2px solid var(--oxide);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.wrap-narrow { width: 100%; max-width: var(--wrap-narrow); margin: 0 auto; padding: 0 28px; }
.section { padding: 104px 0; border-top: 1px solid var(--rule); }
.section--first { border-top: 0; }
.section--tight { padding: 72px 0; }
.section--dark { background: var(--ink); color: var(--bone); border-top: 0; }
.section--surface { background: var(--surface); }

/* ---------- type scale ---------- */
.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.9rem, 7.5vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.lede {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink-soft);
  font-weight: 300;
  max-width: 46ch;
}
.body { max-width: var(--measure); color: var(--ink-soft); }
.body a { color: var(--oxide); text-underline-offset: 3px; }

/* ---------- the signature: file marks ---------- */
.filemark {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}
.filemark::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--oxide);
  flex: none;
}
.section--dark .filemark { color: rgba(250,249,245,0.55); }
.section--dark .filemark::before { background: var(--oxide); }

.meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,249,245,0.86);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav__in {
  max-width: var(--wrap); margin: 0 auto; padding: 0 28px;
  height: 66px; display: flex; align-items: center; gap: 28px;
}
.nav__brand {
  font-family: var(--serif); font-size: 19px; letter-spacing: -0.02em;
  text-decoration: none; margin-right: auto; white-space: nowrap;
}
.nav__links { display: flex; gap: 26px; align-items: center; }
.nav__links a {
  text-decoration: none; font-size: 14px; color: var(--ink-soft);
  transition: color 160ms var(--ease);
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--oxide); }
.nav__toggle {
  display: none; background: none; border: 1px solid var(--rule);
  border-radius: 4px; padding: 7px 11px; cursor: pointer;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px; border-radius: 5px;
  font-size: 14.5px; font-weight: 500; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), transform 120ms var(--ease);
}
.btn--solid { background: var(--ink); color: var(--bone); }
.btn--solid:hover { background: var(--oxide); }
.btn--ghost { border-color: var(--rule); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); }
.btn--light { background: var(--bone); color: var(--ink); }
.btn--light:hover { background: #fff; }
.btn--onDarkGhost { border-color: rgba(250,249,245,0.3); color: var(--bone); }
.btn--onDarkGhost:hover { border-color: var(--bone); }
.btn:active { transform: scale(0.985); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.arrow { font-family: var(--mono); font-size: 13px; }

/* ---------- hero ---------- */
.hero { padding: 92px 0 76px; }
.hero__grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 56px; align-items: end; }
.hero__sub { margin-top: 26px; }
.hero__side { padding-bottom: 8px; border-left: 1px solid var(--rule); padding-left: 26px; }
.hero__side dl { margin: 0; }
.hero__side dt {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 4px;
}
.hero__side dd { margin: 0 0 20px; font-size: 14.5px; line-height: 1.45; }
.hero__side dd:last-child { margin-bottom: 0; }

/* trust strip */
.trust {
  margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; gap: 10px 30px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}

/* ---------- next book banner ---------- */
.nextbook { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.tag {
  display: inline-block; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--oxide-pale); color: var(--oxide);
  padding: 5px 11px; border-radius: 999px; margin-bottom: 20px;
}
.section--dark .tag { background: rgba(140,47,38,0.28); color: #E9B7B1; }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.cell {
  background: var(--bone); padding: 32px 28px 30px;
  display: flex; flex-direction: column; min-height: 100%;
  transition: background 200ms var(--ease);
}
.cell:hover { background: #fff; }
.cell__no {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 18px;
}
.cell__title { font-family: var(--serif); font-size: 1.4rem; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 10px; }
.cell__body { font-size: 14.5px; color: var(--ink-soft); line-height: 1.55; margin-bottom: 22px; }
.cell__foot { margin-top: auto; }
.cell a.inline {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none; color: var(--oxide);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: border-color 160ms var(--ease);
}
.cell a.inline:hover { border-bottom-color: var(--oxide); }

.note {
  display: inline-block; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--rule); border-radius: 3px;
  padding: 3px 8px; color: var(--muted); margin-bottom: 14px;
}

/* ---------- quotes ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; }
.quote p {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(1.25rem, 2vw, 1.6rem); line-height: 1.3;
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.quote cite {
  font-style: normal; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: rgba(250,249,245,0.55);
}
.laurels {
  margin-top: 56px; padding-top: 26px; border-top: 1px solid rgba(250,249,245,0.16);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  font-size: 14.5px; color: rgba(250,249,245,0.78);
}
.laurels strong { display: block; font-weight: 500; color: var(--bone); margin-bottom: 3px; }

/* ---------- list rows (talks, writing, press) ---------- */
.rows { border-top: 1px solid var(--rule); }
.row {
  display: grid; grid-template-columns: 60px 1fr 200px;
  gap: 28px; align-items: baseline;
  padding: 26px 0; border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.row:hover .row__title { color: var(--oxide); }
.row__no { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); }
.row__title { font-family: var(--serif); font-size: 1.35rem; letter-spacing: -0.02em; line-height: 1.2; transition: color 160ms var(--ease); }
.row__desc { font-size: 14.5px; color: var(--ink-soft); margin-top: 7px; max-width: 58ch; }
.row__aside { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); text-align: right; }

/* ---------- forms ---------- */
.form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 24px; margin-top: 40px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 15.5px; color: var(--ink);
  background: var(--bone); border: 1px solid var(--rule);
  border-radius: 5px; padding: 13px 14px; width: 100%;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.55; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--ink); background: #fff; outline: none;
}
.field select { appearance: none; background-image: none; cursor: pointer; }
.form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 6px; }
.form__note { font-size: 13.5px; color: var(--muted); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form__error {
  flex-basis: 100%; margin: 0;
  font-size: 13.5px; color: var(--oxide);
  border-left: 2px solid var(--oxide); padding-left: 12px;
}
.section--dark .form__error { color: #E9B7B1; }

.captcha { margin-top: 6px; }
.captcha .h-captcha { min-height: 78px; }
.captcha iframe { border-radius: 5px; }

/* ---------- newsletter ---------- */
.sub { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.sub__form { display: flex; gap: 10px; flex-wrap: wrap; }
.sub__form input {
  flex: 1 1 240px; background: transparent; border: 1px solid rgba(250,249,245,0.28);
  color: var(--bone); border-radius: 5px; padding: 13px 15px; font-size: 15.5px;
  font-family: var(--sans);
}
.sub__form input::placeholder { color: rgba(250,249,245,0.45); }
.sub__form input:focus { border-color: var(--bone); outline: none; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--rule); padding: 56px 0 44px; background: var(--surface); }
.foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.foot h4 {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 16px;
}
.foot li { margin-bottom: 9px; }
.foot a { font-size: 14.5px; text-decoration: none; color: var(--ink-soft); }
.foot a:hover { color: var(--oxide); }
.foot__brand { font-family: var(--serif); font-size: 1.5rem; letter-spacing: -0.02em; margin-bottom: 10px; }
.foot__legal {
  margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
}

/* ---------- page header (interior pages) ---------- */
.pagehead { padding: 76px 0 60px; border-bottom: 1px solid var(--rule); }
.pagehead .display { max-width: 18ch; }
.pagehead .lede { margin-top: 24px; }

/* ---------- motion ---------- */
.reveal { opacity: 0; transform: translateY(12px); }
.reveal.in { opacity: 1; transform: none; transition: opacity 600ms var(--ease), transform 600ms var(--ease); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .hero__grid, .nextbook, .sub { grid-template-columns: 1fr; gap: 40px; }
  .hero__side { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 26px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .quotes { grid-template-columns: 1fr; gap: 32px; }
  .laurels { grid-template-columns: 1fr; gap: 18px; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 44px 1fr; }
  .row__aside { grid-column: 2; text-align: left; margin-top: 8px; }
}

@media (max-width: 680px) {
  .section { padding: 72px 0; }
  .hero { padding: 60px 0 52px; }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr; gap: 32px; }
  .nav__links {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    background: var(--bone); border-bottom: 1px solid var(--rule);
    flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 28px 20px;
  }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--rule); font-size: 15px; }
  .nav__toggle { display: block; }
  .wrap, .wrap-narrow, .nav__in { padding-left: 20px; padding-right: 20px; }
}

/* ---------- sticky mobile CTA ---------- */
.stickycta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--ink); color: var(--bone);
  padding: 12px 20px; display: none;
  align-items: center; justify-content: space-between; gap: 14px;
  transform: translateY(100%); transition: transform 300ms var(--ease);
}
.stickycta.show { transform: none; }
.stickycta span { font-size: 13.5px; }
@media (max-width: 680px) { .stickycta { display: flex; } body { padding-bottom: 0; } }