/* =========================================================================
   rainearcher — warm black-and-brown editorial design system
   Tokens + base + page styles. Montserrat only. Light theme default.
   ========================================================================= */

/* Montserrat — loaded from Google Fonts so the --font token resolves to a
   real @font-face source. Replace with locally-hosted files when uploaded. */
@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&display=swap");

:root {
  /* Color */
  --ink:        #1B170F;  /* headlines, body, dark sections        */
  --bone:       #ECE7E2;  /* page background (default light)        */
  --taupe-dark: #3E3A33;  /* secondary text, dark surfaces          */
  --taupe-mid:  #7B756A;  /* captions, meta                         */
  --warm-gray:  #C2BCB5;  /* borders, dividers                      */
  --orange:     #D96833;  /* single accent: CTAs, links, highlights */
  --tan:        #E4B88C;  /* tags, tints, illustration fills        */
  --tan-deep:   #CA804C;  /* deeper tan                             */

  /* Type */
  --font: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Fluid type scale (mobile-first) */
  --t-display: clamp(2.85rem, 12vw, 6.75rem); /* @kind font */
  --t-h2:      clamp(2.05rem, 7.2vw, 3.9rem); /* @kind font */
  --t-h3:      clamp(1.55rem, 5.4vw, 2.35rem); /* @kind font */
  --t-lead:    clamp(1.2rem, 4.4vw, 1.5rem); /* @kind font */
  --t-body:    clamp(1.02rem, 2.6vw, 1.12rem); /* @kind font */
  --t-cap:     0.82rem;

  /* Layout */
  --pad:    clamp(1.25rem, 5.5vw, 3rem);
  --max:    1140px;
  --sect-y: clamp(4.25rem, 11vw, 8.5rem); /* @kind spacing */
  --radius: 16px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1); /* @kind other */
}

/* ----------------------------------------------------------------- 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(--font);
  font-size: var(--t-body);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: var(--orange); text-decoration: none; }
h1, h2, h3, p { margin: 0; text-wrap: pretty; }
h1, h2, h3 { font-weight: 800; line-height: 1.02; letter-spacing: -0.025em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ------------------------------------------------------------- structure */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: var(--sect-y); }
.eyebrow {
  font-size: var(--t-cap);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--taupe-mid);
  margin: 0 0 1.1rem;
}
.lead { font-size: var(--t-lead); font-weight: 500; line-height: 1.4; color: var(--taupe-dark); }
.meta { font-size: var(--t-cap); font-weight: 500; color: var(--taupe-mid); }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1;
  padding: 1.05em 1.5em;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), background-color 0.3s ease;
  box-shadow: 0 1px 0 rgba(27,23,15,0.06);
}
.btn .arrow { color: var(--orange); transition: transform 0.45s var(--ease); }
.btn:hover { transform: translateY(-3px); box-shadow: 0 16px 32px -16px rgba(27,23,15,0.55); }
.btn:hover .arrow { transform: translateX(4px); }
.btn:active { transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
}
.btn--ghost .arrow { color: var(--orange); }
.btn--ghost:hover { background: var(--ink); color: var(--bone); box-shadow: inset 0 0 0 1.5px var(--ink); }
/* On dark surfaces: flip to bone fill with ink text */
.btn--ondark { background: var(--bone); color: var(--ink); box-shadow: 0 1px 0 rgba(0,0,0,0.2); }
.btn--ondark .arrow { color: var(--orange); }
.btn--ondark:hover { box-shadow: 0 18px 36px -16px rgba(236,231,226,0.4); }

/* text link with growing underline */
.tlink {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-weight: 700;
  color: var(--orange);
  position: relative;
}
.tlink::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.tlink:hover::after { transform: scaleX(1); }
.tlink .arrow { transition: transform 0.4s var(--ease); }
.tlink:hover .arrow { transform: translateX(4px); }

/* ----------------------------------------------------------------- tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-size: var(--t-cap);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  background: var(--tan);
  padding: 0.4em 0.85em;
  border-radius: 999px;
}
.tag--live { background: var(--ink); color: var(--bone); }
.tag--live .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 0 rgba(217,104,51,0.7);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(217,104,51,0.6); }
  70%  { box-shadow: 0 0 0 7px rgba(217,104,51,0); }
  100% { box-shadow: 0 0 0 0 rgba(217,104,51,0); }
}

/* ------------------------------------------------------------ media/slots */
.frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--tan) 0%, var(--tan-deep) 100%);
}
.frame .px-inner {
  position: absolute;
  inset: -6% 0;
  height: 112%;
  will-change: transform;
}
.frame image-slot { width: 100%; height: 100%; }

/* ================================================================= HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bone) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}
.site-header.scrolled { border-color: var(--warm-gray); }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.95rem;
}
.wordmark {
  font-weight: 700;
  font-size: 1.32rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.wordmark .dot { color: var(--orange); }
.header-cta { display: none; }
@media (min-width: 640px) { .header-cta { display: inline-flex; } }

/* =================================================================== HERO */
.hero { padding-top: clamp(2.5rem, 7vw, 5rem); padding-bottom: var(--sect-y); }
.hero__greet {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-weight: 600;
  font-size: var(--t-cap);
  color: var(--taupe-mid);
  margin-bottom: 1.4rem;
}
.hero__greet .wave { color: var(--tan-deep); }
.hero h1 {
  font-size: var(--t-display);
  font-weight: 800;
  margin-bottom: clamp(1.5rem, 4vw, 2.2rem);
}
.hero h1 .accent { color: var(--orange); }
.hero__lead { max-width: 30ch; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.4rem; margin-bottom: 1.4rem; }
.hero__note { display: flex; flex-wrap: wrap; gap: 0.4em 1.2em; }
.hero__note span { display: inline-flex; align-items: center; gap: 0.5em; }
.hero__note .tick { color: var(--tan-deep); font-weight: 800; }

.hero__portrait { margin-top: clamp(2.5rem, 7vw, 4rem); }
.hero__portrait .frame { aspect-ratio: 4 / 3; }
.hero__caption {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  margin-top: 0.9rem;
  color: var(--taupe-mid);
  font-size: var(--t-cap);
  font-weight: 500;
}
.hero__caption .line { flex: 1; height: 1px; background: var(--warm-gray); }

@media (min-width: 880px) {
  .hero .wrap {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
  }
  .hero__portrait { margin-top: 0; }
  .hero__portrait .frame { aspect-ratio: 3 / 3.6; }
  .hero__lead { max-width: 34ch; }
}

/* =================================================================== WORK */
.section-head { max-width: 30ch; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head h2 { font-size: var(--t-h2); margin-bottom: 1.1rem; }
.section-head .lead { color: var(--taupe-dark); max-width: 42ch; }

.cases { display: grid; gap: clamp(2.75rem, 7vw, 5rem); }
.case { display: grid; gap: clamp(1.4rem, 3.5vw, 2rem); }
.case__media .frame { aspect-ratio: 16 / 11; }
.case__head { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8em; }
.case__num { font-weight: 800; color: var(--warm-gray); font-size: 1rem; letter-spacing: -0.02em; }
.case h3 { font-size: var(--t-h3); margin: 0.7rem 0 0.85rem; }
.case__desc { color: var(--taupe-dark); max-width: 44ch; }
.case__foot { margin-top: 1.2rem; }
.case__meta { display: flex; flex-wrap: wrap; gap: 0.5em 1.4em; margin-top: 1.1rem; }
.case__meta span { font-size: var(--t-cap); font-weight: 500; color: var(--taupe-mid); }

@media (min-width: 800px) {
  .case { grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2rem, 5vw, 4rem); }
  .case--flip .case__media { order: 2; }
  .case__media .frame { aspect-ratio: 4 / 3.1; }
}

/* ============================================================== DARK BAND */
.band {
  background: var(--ink);
  color: var(--bone);
}
.band .wrap { padding-block: clamp(4rem, 9vw, 7rem); }
.band__quote {
  font-size: clamp(1.7rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.band__quote .accent { color: var(--orange); }
.band__mark { display: flex; align-items: center; gap: 0.8em; margin-top: 2rem; color: var(--warm-gray); font-size: var(--t-cap); font-weight: 600; }
.band__mark .line { width: 42px; height: 1px; background: var(--taupe-mid); }

/* =============================================================== PACKAGES */
.packages { background: var(--bone); }
.pkgs { display: grid; gap: 1.4rem; }
.pkg {
  background: var(--bone);
  border: 1px solid var(--warm-gray);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.2rem);
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}
.pkg:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -28px rgba(27,23,15,0.4); border-color: var(--ink); }
.pkg--feat { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.pkg--feat .pkg__desc { color: var(--warm-gray); }
.pkg--feat .pkg__feats li { color: var(--bone); }
.pkg--feat .pkg__feats li::before { color: var(--tan); }
.pkg--feat .pkg__price small { color: var(--warm-gray); }
.pkg__flag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  background: var(--tan);
  padding: 0.35em 0.8em;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
.pkg__name { font-size: var(--t-h3); font-weight: 800; letter-spacing: -0.02em; }
.pkg__price { font-size: clamp(2rem, 5vw, 2.6rem); font-weight: 800; letter-spacing: -0.03em; margin: 0.6rem 0 0.1rem; }
.pkg__price small { font-size: 0.92rem; font-weight: 600; color: var(--taupe-mid); letter-spacing: 0; }
.pkg__desc { color: var(--taupe-dark); margin: 0.9rem 0 1.5rem; }
.pkg__feats { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; gap: 0.7rem; }
.pkg__feats li { position: relative; padding-left: 1.6em; font-size: 0.98rem; font-weight: 500; color: var(--taupe-dark); }
.pkg__feats li::before { content: "—"; position: absolute; left: 0; color: var(--tan-deep); font-weight: 800; }
.pkg .btn { margin-top: auto; justify-content: center; }
.pkg--feat .btn { width: 100%; background: var(--bone); color: var(--ink); }
.pkg--feat .btn:hover { box-shadow: 0 16px 32px -16px rgba(236,231,226,0.4); }
.pkg:not(.pkg--feat) .btn { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--ink); }
.pkg:not(.pkg--feat) .btn:hover { background: var(--ink); color: var(--bone); box-shadow: inset 0 0 0 1.5px var(--ink); transform: translateY(-3px); }
.pkg-note { margin-top: 2rem; color: var(--taupe-mid); font-size: var(--t-cap); font-weight: 500; max-width: 52ch; }

@media (min-width: 760px) {
  .pkgs { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
  .pkg--feat { transform: translateY(-12px); }
  .pkg--feat:hover { transform: translateY(-17px); }
}

/* ================================================================ PROCESS */
.steps { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1rem, 4vw, 2.4rem);
  align-items: start;
  padding-block: clamp(1.6rem, 4vw, 2.4rem);
  border-top: 1px solid var(--warm-gray);
}
.step:last-child { border-bottom: 1px solid var(--warm-gray); }
.step__num {
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--tan-deep);
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: var(--t-h3); margin-bottom: 0.6rem; }
.step p { color: var(--taupe-dark); max-width: 46ch; }

@media (min-width: 760px) {
  .step { grid-template-columns: 5.5rem 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
}

/* ================================================================== ABOUT */
.about .wrap { display: grid; gap: clamp(2rem, 6vw, 3.5rem); }
.about__media .frame { aspect-ratio: 4 / 5; max-width: 420px; }
.about h2 { font-size: var(--t-h2); margin-bottom: 1.4rem; }
.about p + p { margin-top: 1.1rem; }
.about__body p { color: var(--taupe-dark); max-width: 52ch; }
.about__sign { margin-top: 1.8rem; font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; color: var(--ink); }

@media (min-width: 860px) {
  .about .wrap { grid-template-columns: 0.85fr 1.15fr; align-items: center; gap: clamp(3rem, 6vw, 5rem); }
}

/* ================================================================ FINAL CTA */
.final { background: var(--ink); color: var(--bone); }
.final .wrap { padding-block: clamp(5rem, 12vw, 9rem); text-align: center; }
.final h2 {
  font-size: clamp(2.3rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 16ch;
  margin: 0 auto 1.5rem;
}
.final h2 .accent { color: var(--orange); }
.final__sub { color: var(--warm-gray); font-size: var(--t-lead); font-weight: 500; max-width: 40ch; margin: 0 auto 2.4rem; line-height: 1.4; }

/* ================================================================== FOOTER */
.footer { background: var(--ink); color: var(--warm-gray); border-top: 1px solid var(--taupe-dark); }
.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 2.4rem;
}
.footer .wordmark { color: var(--bone); }
.footer__meta { display: flex; flex-wrap: wrap; gap: 0.4em 1.4em; font-size: var(--t-cap); font-weight: 500; }
.footer__meta a { color: var(--warm-gray); }
.footer__meta a:hover { color: var(--orange); }

/* ================================================================== REVEAL */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .frame .px-inner { transform: none !important; }
}