/*
Theme Name: Ruchika Tiku Landing
Theme URI: https://ruchikatiku.com
Author: Ruchika Tiku
Description: A single-page landing/contact theme for Ruchika Tiku, ecological researcher and TEK documentarian. Built as a placeholder front page ahead of the full site.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
License: Unlicensed / Custom
Text Domain: ruchika-tiku
*/

:root{
  --ink:#26231d;
  --paper:#e7e2d2;
  --paper-deep:#ddd6bf;
  --card:#f1ede1;
  --moss:#2e7d46;
  --moss-deep:#173d24;
  --soil:#a63f2b;
  --soil-deep:#7f2f20;
  --slate:#5b6259;
  --line:#a79c7e;
  --max:1120px;

  --display: 'Fraunces', serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;}
img,svg{display:block; max-width:100%;}

::selection{background:#c9e6cd; color:var(--moss-deep);}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--soil);
  outline-offset:3px;
}

.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--soil);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--soil);
  display:inline-block;
}

h1,h2,h3{
  font-family:var(--display);
  font-weight:600;
  color:var(--moss-deep);
  margin:0;
  letter-spacing:-0.01em;
}

p{margin:0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(231,226,210,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:64px;
}
.brand{
  font-family:var(--display);
  font-weight:600;
  font-size:19px;
  color:var(--moss-deep);
  text-decoration:none;
}
.brand span{color:var(--soil);}

nav.main-nav{
  display:flex; gap:28px;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
}
nav.main-nav a{
  text-decoration:none;
  color:var(--ink);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:border-color 0.2s ease, color 0.2s ease;
}
nav.main-nav a:hover{ border-color:var(--soil); color:var(--soil); }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line);
  border-radius:4px;
  width:38px; height:38px;
  align-items:center; justify-content:center;
  cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:18px; height:2px; background:var(--ink);
  position:relative; transition:transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width:760px){
  nav.main-nav{
    position:absolute; top:64px; left:0; right:0;
    background:var(--paper);
    flex-direction:column;
    gap:0;
    border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden;
    transition:max-height 0.25s ease;
  }
  nav.main-nav a{ padding:14px 28px; width:100%; border-bottom:1px solid var(--paper-deep); }
  .site-header.open nav.main-nav{ max-height:260px; }
  .nav-toggle{ display:flex; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 100px;
  border-bottom:1px solid var(--line);
}
.hero .contours{
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:0;
  opacity:0.55;
}
.hero .wrap{ position:relative; z-index:1; }

.hero-tag{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.12em;
  color:var(--moss);
  background:var(--card);
  border:1px solid var(--line);
  display:inline-block;
  padding:6px 12px;
  border-radius:100px;
  margin-bottom:28px;
}

.hero h1{
  font-size:clamp(42px, 7vw, 72px);
  line-height:0.98;
  max-width:900px;
}
.hero .role{
  margin-top:18px;
  font-family:var(--display);
  font-style:italic;
  font-weight:400;
  font-size:clamp(18px, 2.2vw, 23px);
  color:var(--soil);
  max-width:660px;
}
.hero .lede{
  margin-top:28px;
  max-width:560px;
  font-size:17px;
  color:var(--ink);
}
.hero .cta-row{
  margin-top:40px;
  display:flex; align-items:center; gap:22px; flex-wrap:wrap;
}
.btn{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  text-decoration:none;
  display:inline-flex; align-items:center; gap:10px;
  padding:13px 22px;
  border-radius:3px;
  transition:transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn-solid{ background:var(--soil); color:var(--card); }
.btn-solid:hover{ background:var(--moss-deep); transform:translateY(-1px); }
.btn-line{ border:1px solid var(--ink); color:var(--ink); }
.btn-line:hover{ border-color:var(--soil); color:var(--soil); }

/* ---------- Grass divider ---------- */
.grass-divider{
  width:100%; height:34px;
  color:var(--moss);
  opacity:0.75;
}

/* ---------- Section shell ---------- */
section{ padding:88px 0; }
.section-head{
  max-width:640px;
  margin-bottom:52px;
}
.section-head h2{
  font-size:clamp(30px, 4vw, 42px);
  margin-top:14px;
}

/* ---------- About ---------- */
.thesis{ border-bottom:1px solid var(--line); }
.thesis-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap:64px;
  align-items:start;
}
.thesis p{ font-size:18px; color:var(--ink); }
.thesis p + p{ margin-top:20px; }
.thesis-note{
  font-family:var(--mono);
  font-size:13px;
  line-height:1.75;
  color:var(--slate);
  border-left:2px solid var(--soil);
  padding-left:20px;
}
.thesis-note strong{ color:var(--moss-deep); display:block; margin-bottom:6px; font-size:12px; letter-spacing:0.08em; text-transform:uppercase; }
.thesis-note + .thesis-note{ margin-top:26px; }

@media (max-width:820px){
  .thesis-grid{ grid-template-columns:1fr; gap:36px; }
}

/* ---------- Focus areas ---------- */
.focus{ background:var(--card); border-bottom:1px solid var(--line); }
.focus-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.focus-card{ background:var(--card); padding:32px 26px; }
.focus-card .num{
  font-family:var(--mono);
  font-size:12px;
  color:var(--soil);
  letter-spacing:0.1em;
}
.focus-card h3{ font-size:20px; margin-top:14px; margin-bottom:10px; }
.focus-card p{ font-size:14.5px; color:var(--slate); }
@media (max-width:820px){ .focus-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .focus-grid{ grid-template-columns:1fr; } }

/* ---------- Contact / footer ---------- */
.contact{ background:var(--moss-deep); color:var(--paper); }
.contact h2{ color:var(--paper); }
.contact .section-head{ max-width:600px; }
.contact p.lede{ font-size:17px; color:#cfd6c6; max-width:520px; }
.contact .cta-row{ margin-top:36px; display:flex; gap:20px; flex-wrap:wrap; }
.contact .btn-solid{ background:var(--soil); color:var(--paper); }
.contact .btn-solid:hover{ background:#c24a32; }
.contact .btn-line{ border-color:var(--paper); color:var(--paper); }
.contact .btn-line:hover{ border-color:var(--soil); color:#e8977f; }

footer.foot{
  background:var(--moss-deep);
  border-top:1px solid rgba(231,226,210,0.15);
  padding:26px 0;
}
footer.foot .wrap{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:10px;
}
footer.foot p{
  font-family:var(--mono);
  font-size:12px;
  color:#a9b39c;
  letter-spacing:0.04em;
}

/* ---------- Journal teaser (on the landing page) ---------- */
.journal-teaser{ background:var(--paper); border-bottom:1px solid var(--line); }
.teaser-grid{ display:flex; flex-wrap:wrap; gap:24px; }

.teaser-card{
  display:flex; flex-direction:column;
  flex:1 1 300px; max-width:380px;
  text-decoration:none; color:inherit;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:2px;
  overflow:hidden;
  transition:transform 0.18s ease, border-color 0.18s ease;
}
.teaser-card:hover{ transform:translateY(-3px); border-color:var(--soil); }

.teaser-thumb{ aspect-ratio:4/3; overflow:hidden; background:var(--moss-deep); }
.teaser-thumb img{ width:100%; height:100%; object-fit:cover; display:block; }
.teaser-thumb-empty{ display:flex; align-items:center; justify-content:center; }
.teaser-thumb-empty::after{
  content:"";
  width:26px; height:32px;
  background:var(--soil);
  clip-path:polygon(50% 0%, 100% 100%, 50% 80%, 0% 100%);
  opacity:0.85;
  display:block;
}

.teaser-body{ padding:20px 20px 22px; display:flex; flex-direction:column; gap:10px; flex:1; }
.teaser-body .tag{ font-family:var(--mono); font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--soil); }
.teaser-body h3{ font-size:19px; }
.teaser-body p{ font-size:14px; color:var(--slate); }
.teaser-body .meta{
  margin-top:auto; padding-top:10px; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:11.5px; color:var(--slate);
  display:flex; justify-content:space-between;
}

/* ---------- Journal listing (Posts page / home.php) ---------- */
.journal-hero{ padding:96px 0 64px; border-bottom:1px solid var(--line); }
.journal-hero h1{ font-size:clamp(38px, 6vw, 60px); margin-top:16px; }
.journal-hero p.lede{ margin-top:22px; max-width:560px; font-size:17px; color:var(--slate); }

.journal-list{ padding:80px 0; }
.journal-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:28px; }
@media (max-width:760px){ .journal-grid{ grid-template-columns:1fr; } }

.journal-card{
  background:var(--card);
  border:1px solid var(--line);
  border-top:3px solid var(--moss);
  padding:32px 28px;
  text-decoration:none;
  color:var(--ink);
  display:flex; flex-direction:column; gap:14px;
  transition:transform 0.18s ease, border-color 0.18s ease;
}
.journal-card:hover{ transform:translateY(-3px); border-top-color:var(--soil); }
.journal-card .tag{
  font-family:var(--mono); font-size:11.5px; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--soil);
}
.journal-card h3{ font-size:23px; }
.journal-card p{ font-size:14.5px; color:var(--slate); }
.journal-card .meta{
  font-family:var(--mono); font-size:12px; color:var(--slate);
  margin-top:auto; padding-top:14px; border-top:1px solid var(--line);
  display:flex; justify-content:space-between; gap:10px;
}

.pagination{
  margin-top:56px; display:flex; gap:14px; flex-wrap:wrap;
  font-family:var(--mono); font-size:13px; text-transform:uppercase; letter-spacing:0.06em;
}
.pagination .page-numbers{
  text-decoration:none; color:var(--soil);
  padding:8px 14px; border:1px solid var(--line); border-radius:3px;
}
.pagination .page-numbers.current{ background:var(--soil); color:var(--paper); border-color:var(--soil); }
.pagination .page-numbers:hover{ border-color:var(--soil); }

/* ---------- Article (single.php) ---------- */
.article-head{ padding:96px 0 48px; border-bottom:1px solid var(--line); }
.article-head h1{ font-size:clamp(32px, 5.2vw, 52px); max-width:800px; margin-top:16px; }
.article-head .post-meta{
  margin-top:24px; font-family:var(--mono); font-size:12.5px; color:var(--slate);
  display:flex; gap:18px; flex-wrap:wrap; text-transform:uppercase; letter-spacing:0.06em;
}

.article-body{ padding:64px 0 8px; }
.article-body .wrap{ max-width:720px; }
.article-body p{ font-size:17.5px; color:var(--ink); margin-bottom:22px; }
.article-body p:last-child{ margin-bottom:0; }
.article-body h2{ font-size:26px; margin:44px 0 18px; }
.article-body h3{ font-size:21px; margin:36px 0 14px; }
.article-body ul, .article-body ol{ margin:0 0 22px; padding-left:22px; font-size:17.5px; color:var(--ink); }
.article-body li + li{ margin-top:8px; }

.article-body blockquote,
.article-body .wp-block-quote{
  border-left:3px solid var(--moss);
  padding:4px 0 4px 24px;
  margin:32px 0;
  font-style:italic;
  color:var(--moss-deep);
}
.article-body .wp-block-pullquote{
  border-left:3px solid var(--soil);
  padding:4px 0 4px 24px;
  margin:44px 0;
  font-family:var(--display);
  font-style:italic;
  font-weight:400;
  font-size:22px;
  color:var(--moss-deep);
  max-width:640px;
}
.article-body .wp-block-pullquote p{ margin:0; font-size:inherit; color:inherit; }
.article-body .wp-block-pullquote cite{
  display:block; margin-top:10px; font-family:var(--mono);
  font-size:12px; font-style:normal; color:var(--slate);
}
.article-body figure{ margin:32px 0; }
.article-body img{ border-radius:2px; max-width:100%; height:auto; }
.article-body figcaption{ font-family:var(--mono); font-size:12px; color:var(--slate); margin-top:8px; }

.post-nav{ border-top:1px solid var(--line); padding:44px 0 88px; margin-top:56px; }
.post-nav .wrap{
  max-width:720px; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:16px;
}
.post-nav a{
  font-family:var(--mono); font-size:13px; text-transform:uppercase; letter-spacing:0.06em;
  text-decoration:none; color:var(--soil); border-bottom:1px solid transparent;
}
.post-nav a:hover{ border-color:var(--soil); }