/* CalcMyTrip — India trip cost planning
   Structural model: EDITORIAL MAGAZINE.
   Centered masthead between double rules. Narrow reading measure with wide
   pull-outs. Serif display, ranked list rather than a card grid.
   Deliberately shares no structure with the other two sites in this portfolio. */

:root {
  --paper:     #FAF7F2;
  --sheet:     #FFFFFF;
  --ink:       #22201C;
  --ink-2:     #5E594F;
  --ink-3:     #918B7E;
  --rule:      #E6E0D5;
  --rule-2:    #CFC7B8;

  --teal:      #1D5B5B;
  --teal-bg:   #E6EFEE;
  --teal-ink:  #123A3A;
  --clay:      #B4552E;
  --clay-bg:   #FBEDE6;
  --clay-ink:  #7C3A1E;
  --danger:    #9B3226;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans:  system-ui, "Segoe UI", Roboto, -apple-system, sans-serif;
  --mono:  ui-monospace, "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;

  /* .wrap is the page column; .prose narrows again to a reading measure inside it,
     so tables and calculators get room without body copy running too wide. */
  --column: 45rem;
  --measure: 38rem;
  --page: 60rem;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--serif); font-size: 17px; line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--clay); }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }

.wrap { max-width: var(--column); margin: 0 auto; padding: 0 1.5rem; }
.wrap-wide { max-width: var(--page); margin: 0 auto; padding: 0 1.5rem; }

/* ============ MASTHEAD: centered, between double rules ============ */

.site-header {
  background: var(--paper); border-bottom: 1px solid var(--ink);
  box-shadow: 0 3px 0 -1px var(--paper), 0 4px 0 -1px var(--ink);
  margin-bottom: 3px;
}
.site-header .wrap-wide { text-align: center; padding-top: 1.9rem; padding-bottom: 1rem; }

.brand {
  display: inline-block; font-family: var(--serif); font-size: 1.9rem; font-weight: 700;
  letter-spacing: -0.02em; color: var(--ink); text-decoration: none; line-height: 1;
}
.brand em { font-style: italic; color: var(--clay); }

.tagline {
  font-family: var(--mono); font-size: .63rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--ink-3); margin: .6rem 0 0;
}

.nav {
  display: flex; justify-content: center; gap: 1.9rem; flex-wrap: wrap;
  margin-top: 1.1rem; padding-top: .85rem; border-top: 1px solid var(--rule);
}
.nav a {
  font-family: var(--sans); font-size: .78rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none; font-weight: 600;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--clay); }

/* ============ LEAD ============ */

.hero {
  padding: 3rem 0 0;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, #F3EFE7 0%, #EFEAE0 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 2.5rem; align-items: end;
}
.hero-copy { text-align: left; padding-bottom: 3rem; }
.hero h1 {
  font-family: var(--serif); font-size: clamp(2rem, 4.2vw, 2.95rem); font-weight: 700;
  line-height: 1.06; letter-spacing: -0.028em; margin: 0 0 1.1rem;
  text-wrap: balance;
}
.hero h1 em { font-style: italic; color: var(--clay); }
.hero p {
  font-size: 1.08rem; color: var(--ink-2); max-width: 27rem; margin: 0;
  font-style: italic; line-height: 1.6;
}
/* Sits flush on the hero's lower edge so the ridges read as the horizon, and
   dissolves at the sides — a hard vertical edge makes it look pasted in. */
.hero-art {
  width: 100%; height: auto; display: block; margin-bottom: -1px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}

.ico { width: 21px; height: 21px; flex: none; }

.page-head { padding: 2.75rem 0 1.5rem; }
.page-head h1 {
  font-family: var(--serif); font-size: clamp(1.8rem, 4.2vw, 2.6rem); font-weight: 700;
  line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 .7rem; text-wrap: balance;
}
.page-head .sub { color: var(--ink-2); font-size: 1.06rem; margin: 0; font-style: italic; }

.eyebrow {
  font-family: var(--mono); font-size: .64rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--clay); margin: 0 0 .6rem;
}
.breadcrumb { font-family: var(--sans); font-size: .78rem; color: var(--ink-3); padding: 1.1rem 0 0; }
.breadcrumb a { color: var(--ink-2); text-decoration: none; }

.section { padding: 2.5rem 0; }
.section-title {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 700; letter-spacing: .02em;
  text-transform: uppercase; margin: 0 0 1.4rem; text-align: center;
  position: relative;
}
.section-title::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px;
  background: var(--rule-2); z-index: 0;
}
.section-title span, .section-title { }
.section-title { display: block; }
.section-title::after { content: none; }

/* Title text sits on the paper, punching a hole in the rule behind it. */
.section-title { overflow: visible; }
.section-title > * { position: relative; z-index: 1; background: var(--paper); padding: 0 1rem; }

/* ============ RANKED LIST instead of a card grid ============ */

.grid { display: block; }
.grid-2, .grid-3 { display: block; }

.card {
  display: grid; grid-template-columns: 2.4rem auto 1fr; gap: 0 1.1rem;
  align-items: center;
  padding: .95rem 0; border-bottom: 1px solid var(--rule);
  text-decoration: none; color: inherit; counter-increment: entry;
  transition: background .12s ease;
}
.card:first-child { border-top: 1px solid var(--ink); }
.card::before {
  content: counter(entry, decimal-leading-zero);
  font-family: var(--mono); font-size: .72rem; color: var(--clay);
  letter-spacing: .04em; align-self: center;
}

/* Icon column. Cards without an icon simply collapse to two columns. */
.card-ico {
  width: 2.7rem; height: 2.7rem; border-radius: 50%;
  background: var(--teal-bg); color: var(--teal);
  display: flex; align-items: center; justify-content: center;
}
a.card:hover .card-ico { background: var(--teal); color: #fff; }
.card > div { grid-column: 3; }
.card h3 {
  font-family: var(--serif); margin: 0 0 .25rem; font-size: 1.16rem; font-weight: 700;
  letter-spacing: -0.01em; grid-column: 3;
}
a.card:hover h3 { color: var(--clay); }
.card p { margin: 0; font-size: .95rem; color: var(--ink-2); line-height: 1.6; grid-column: 3; }
.card > div h3, .card > div p { grid-column: auto; }
.card .meta {
  display: block; margin-top: .45rem; grid-column: 3;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; color: var(--ink-3);
}
.grid { counter-reset: entry; }

/* ============ FORMS ============ */

.calc {
  background: var(--sheet); border-top: 3px double var(--ink); border-bottom: 1px solid var(--rule-2);
  padding: 1.7rem 0; margin: 1.75rem 0;
}
.calc h2 {
  font-family: var(--mono); margin: 0 0 1.2rem; font-size: .7rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3);
}

.fields { display: grid; gap: 1.05rem; grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr)); }
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-family: var(--sans); font-size: .8rem; font-weight: 650; color: var(--ink-2); }
.field .hint { font-family: var(--sans); font-size: .74rem; color: var(--ink-3); }

input[type="number"], input[type="text"], input[type="email"], input[type="password"], select {
  font-family: var(--sans); font-size: .93rem; padding: .55rem .05rem; width: 100%;
  border: none; border-bottom: 1px solid var(--rule-2); border-radius: 0;
  background: transparent; color: var(--ink);
}
input[type="number"] { font-variant-numeric: tabular-nums; }
input:focus, select:focus { outline: none; border-bottom: 2px solid var(--teal); }
select { padding-left: 0; }

.checks { display: grid; gap: .55rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); margin-top: 1.1rem; }
.check { display: flex; align-items: center; gap: .5rem; font-family: var(--sans); font-size: .87rem; }
.check input { width: auto; }

.actions { display: flex; gap: 1.1rem; align-items: center; margin-top: 1.5rem; flex-wrap: wrap; }
.btn {
  font-family: var(--sans); font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; padding: .7rem 1.6rem; border-radius: 0;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  cursor: pointer; text-decoration: none; display: inline-block;
}
.btn:hover { background: var(--clay); border-color: var(--clay); color: #fff; }
.btn-clay { background: var(--clay); border-color: var(--clay); }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: transparent; text-decoration: underline; padding-left: 0; padding-right: 0; }
.btn-ghost:hover { background: transparent; color: var(--clay); }

/* ============ RESULT: a pull-out that breaks the measure ============ */

.result {
  background: var(--sheet); border-top: 3px double var(--ink); border-bottom: 3px double var(--ink);
  padding: 2rem 1.75rem; margin: 2rem 0;
}
.result h2 {
  font-family: var(--mono); margin: 0 0 1.2rem; font-size: .7rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3);
}
.headline {
  font-family: var(--serif); font-size: clamp(2.4rem, 8vw, 4rem); font-weight: 700;
  letter-spacing: -0.035em; color: var(--teal-ink); line-height: .98;
  font-variant-numeric: tabular-nums;
}
.headline-sub { font-size: 1rem; color: var(--ink-2); margin-top: .6rem; font-style: italic; }

.stats {
  display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  margin: 1.6rem 0; padding: 1.2rem 0;
  border-top: 1px solid var(--rule-2); border-bottom: 1px solid var(--rule-2);
}
.stat { display: flex; flex-direction: column; gap: .2rem; }
.stat .k { font-family: var(--mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.stat .v { font-family: var(--serif); font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ============ TABLES ============ */

.scroll { overflow-x: auto; margin: 1.4rem 0; }
table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: .88rem; min-width: 29rem; }
th {
  text-align: left; font-family: var(--mono); font-size: .62rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 600;
  padding: 0 .8rem .5rem 0; border-bottom: 1px solid var(--ink); white-space: nowrap;
}
td { padding: .58rem .8rem .58rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
th.num { text-align: right; }
tfoot td { font-weight: 700; border-top: 2px solid var(--ink); border-bottom: none; padding-top: .7rem; }
tbody tr.highlight td { background: var(--clay-bg); }
tbody tr.win td { background: var(--teal-bg); }

/* ============ PROSE ============ */

.prose { max-width: var(--measure); }
.prose h2 {
  font-family: var(--serif); font-size: 1.45rem; letter-spacing: -0.015em;
  margin: 2.4rem 0 .7rem; font-weight: 700;
}
.prose h3 { font-family: var(--serif); font-size: 1.14rem; margin: 1.9rem 0 .45rem; font-weight: 700; }
.prose p { margin: 0 0 1.1rem; }
.prose > p:first-of-type::first-letter {
  float: left; font-family: var(--serif); font-size: 3.3rem; line-height: .82;
  padding: .12rem .5rem 0 0; color: var(--clay); font-weight: 700;
}
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.35rem; }
.prose li { margin-bottom: .45rem; }
.prose code { font-family: var(--mono); font-size: .84em; background: var(--teal-bg); padding: .1rem .35rem; }

.chart {
  margin: 1.5rem 0; padding: 1.2rem 0 .5rem;
  border-top: 1px solid var(--rule-2); border-bottom: 1px solid var(--rule-2);
  overflow-x: auto;
}
.chart svg { display: block; min-width: 28rem; }
.chart figcaption {
  margin-top: .8rem; font-family: var(--sans); font-size: .82rem;
  line-height: 1.6; color: var(--ink-3);
}

.formula-block {
  font-family: var(--mono); font-size: .82rem; line-height: 1.75;
  background: var(--sheet); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  padding: 1.1rem 0; margin: 1.5rem 0; overflow-x: auto; white-space: pre;
}

.note { background: var(--clay-bg); padding: 1rem 1.2rem; margin: 1.4rem 0; font-size: .95rem; border-left: 3px solid var(--clay); }
.note strong { color: var(--clay-ink); }
.good { background: var(--teal-bg); padding: 1rem 1.2rem; margin: 1.4rem 0; font-size: .95rem; border-left: 3px solid var(--teal); }
.good strong { color: var(--teal-ink); }
.error { background: #FBEBE8; padding: 1rem 1.2rem; margin: 1.4rem 0; font-size: .95rem; border-left: 3px solid var(--danger); color: #6E2419; }

.faq details { border-bottom: 1px solid var(--rule); padding: .95rem 0; }
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 1rem; list-style: none;
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  font-family: var(--serif);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--clay); font-size: 1.1rem; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: .7rem 0 0; font-size: .95rem; color: var(--ink-2); }

.pill {
  display: inline-block; font-family: var(--mono); font-size: .63rem; letter-spacing: .1em;
  text-transform: uppercase; background: var(--clay-bg); color: var(--clay-ink); padding: .2rem .5rem;
}
.pill-teal { background: var(--teal-bg); color: var(--teal-ink); }
.meta-strip {
  display: flex; gap: 1.4rem; flex-wrap: wrap; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .06em; color: var(--ink-3);
  padding: .9rem 0; border-top: 1px solid var(--rule); margin-top: 1.75rem;
}

/* ============ FOOTER: centered colophon ============ */

.site-footer {
  border-top: 1px solid var(--ink);
  box-shadow: 0 -3px 0 -1px var(--paper), 0 -4px 0 -1px var(--ink);
  margin-top: 4rem; padding: 2.75rem 0 2.5rem; text-align: center;
}
.footer-grid { display: block; }
.footer-grid h4 { display: none; }
.footer-grid ul {
  list-style: none; margin: 0 0 .7rem; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem 1.4rem;
}
.footer-grid a { font-family: var(--sans); font-size: .8rem; color: var(--ink-2); text-decoration: none; }
.footer-grid a:hover { color: var(--clay); }
.footer-note {
  margin: 1.6rem auto 0; padding-top: 1.3rem; border-top: 1px solid var(--rule);
  font-family: var(--sans); font-size: .8rem; line-height: 1.65; color: var(--ink-3);
  max-width: 40rem;
}
.footer-note strong { color: var(--ink-2); }

@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-art { max-width: 24rem; margin: 0 auto; }
}

@media (max-width: 640px) {
  .card { grid-template-columns: 2rem auto 1fr; gap: 0 .75rem; }
  .card-ico { width: 2.2rem; height: 2.2rem; }
  .ico { width: 17px; height: 17px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { gap: 1.1rem; }
  .result { padding: 1.4rem 1.1rem; }
  .card { grid-template-columns: 2rem 1fr; gap: 0 .8rem; }
}

@media print {
  .site-header, .site-footer, .actions, .nav { display: none; }
  body { background: #fff; }
}

/* ---------- author byline ---------- */
.byline {
  display: flex; gap: 1.15rem; align-items: flex-start;
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule);
  padding: 1.3rem 0; margin: 2.5rem 0 0; max-width: 41rem;
}
.byline-mark {
  width: 2.7rem; height: 2.7rem; flex: none; border-radius: 50%;
  background: var(--teal); color: #fff; display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.2rem; font-weight: 700;
}
.byline-body { min-width: 0; }
.byline-name {
  margin: 0 0 .3rem; font-family: var(--serif); font-size: 1rem; font-weight: 700;
  letter-spacing: -0.01em; color: var(--ink);
}
.byline-note { margin: 0; font-size: .88rem; line-height: 1.62; color: var(--ink-2); }
.byline-date {
  margin: .5rem 0 0; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .07em; color: var(--ink-3);
}