/* =========================================================================
   Emira Cherif — Strategic Advisor
   Visual identity adapted from an editorial Squarespace template:
   near-black green, paper beige, a single terracotta accent.
   Sober serif headings (Fraunces) + neutral sans body (Inter).
   ========================================================================= */

/* ----------------------------- Tokens ----------------------------- */
:root {
  /* Colour */
  --green-900: #16201b; /* near-black green — primary ink / dark surfaces */
  --green-800: #1f2c25;
  --green-700: #2c3b32;
  --green-600: #475a4e; /* muted ink for secondary text */
  --paper: #efe7d6;     /* paper beige — main background */
  --paper-soft: #f4eee0;
  --paper-deep: #e6dcc6; /* slightly deeper beige for panels */
  --terracotta: #b0613b; /* single accent */
  --terracotta-deep: #934d2d;
  --line: rgba(22, 32, 27, 0.16);
  --line-soft: rgba(22, 32, 27, 0.1);

  /* Type */
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --container: 76rem;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-y: clamp(4.5rem, 9vw, 9rem);
  --radius: 2px;

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

/* ----------------------------- Reset ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--green-900);
  background: var(--paper);
  line-height: 1.65;
  font-size: clamp(1rem, 0.55vw + 0.9rem, 1.125rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }

::selection { background: var(--terracotta); color: var(--paper); }

.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--green-900); color: var(--paper);
  padding: 0.6rem 1rem; border-radius: var(--radius); z-index: 200;
  transition: top 0.2s var(--ease); text-decoration: none; font-size: 0.9rem;
}
.skip-link:focus { top: 1rem; }

/* ----------------------------- Layout ----------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); border-top: 1px solid var(--line-soft); }
.section:first-of-type { border-top: 0; }

.section-index {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 600;
  margin-bottom: 1.4rem;
}
.section-index::before { content: '✳  '; }

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  max-width: 22ch;
}
.section-subtitle {
  font-family: var(--serif);
  font-style: italic;
  color: var(--green-600);
  font-size: clamp(1.1rem, 1.6vw, 1.4rem);
  margin-top: 1rem;
  max-width: 40ch;
}

/* ----------------------------- Buttons ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.97rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.95rem 1.7rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn-primary {
  background: var(--green-900);
  color: var(--paper-soft);
}
.btn-primary:hover {
  background: var(--terracotta);
  transform: translateY(-2px);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
}

/* ----------------------------- Header ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--paper) 95%, transparent);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.6rem;
}
.wordmark {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.wordmark-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.wordmark-role {
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 600;
  margin-top: 0.15rem;
}

.primary-nav {
  display: flex;
  gap: 2rem;
  margin-inline: auto;
}
.primary-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--green-700);
  position: relative;
  padding-block: 0.3rem;
  transition: color 0.2s var(--ease);
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.primary-nav a:hover { color: var(--green-900); }
.primary-nav a:hover::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* ---------- Language selector (custom select box) ---------- */
.lang-select { position: relative; }
.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--green-900);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.lang-trigger:hover { border-color: var(--green-600); }
.lang-trigger:focus-visible { outline: 2px solid var(--terracotta); outline-offset: 2px; }
.lang-flag {
  display: inline-flex;
  width: 21px; height: 15px;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(22, 32, 27, 0.12);
  flex: none;
}
.lang-flag svg { display: block; }
.lang-name { font-weight: 500; }
.lang-caret {
  color: var(--green-600);
  transition: transform 0.25s var(--ease);
}
.lang-select.is-open .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 11rem;
  list-style: none;
  padding: 0.35rem;
  margin: 0;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 18px 40px -22px rgba(22, 32, 27, 0.5);
  z-index: 120;
  animation: menuIn 0.18s var(--ease);
}
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.7rem;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.92rem;
  outline: none;
  transition: background 0.15s var(--ease);
}
.lang-option .lang-name { font-weight: 500; }
.lang-option:hover,
.lang-option:focus-visible { background: var(--paper-deep); }
.lang-option.is-selected { color: var(--terracotta-deep); }
.lang-option.is-selected .lang-name { font-weight: 600; }

.menu-toggle { display: none; }

/* ----------------------------- Hero ----------------------------- */
.hero { padding-block: clamp(3rem, 7vw, 6.5rem) var(--section-y); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--terracotta);
  margin-bottom: 1.6rem;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  max-width: 16ch;
}
.lead {
  margin-top: 1.8rem;
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  color: var(--green-600);
  max-width: 46ch;
}
.hero-location {
  margin-top: 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--green-700);
}
.hero-location .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--terracotta);
  flex: none;
}
.hero-actions { margin-top: 2.4rem; }

.hero-portrait { position: relative; }
.portrait-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--green-800);
}
.portrait-frame::before {
  /* offset accent block behind the portrait */
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-portrait::after {
  content: '';
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 60%;
  height: 60%;
  border: 1px solid var(--terracotta);
  border-radius: var(--radius);
  z-index: -1;
}
.portrait-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 20%;
  filter: saturate(0.92) contrast(1.02);
}

/* ----------------------------- Situations ----------------------------- */
.situations-list {
  list-style: none;
  padding: 0;
  margin: 2.8rem 0 0;
  display: grid;
  gap: 0;
  max-width: 60rem;
}
.situations-list li {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.9vw, 1.6rem);
  line-height: 1.4;
  font-weight: 400;
  color: var(--green-800);
  padding: 1.4rem 0 1.4rem 2.6rem;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}
.situations-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--terracotta);
}
.situations-transition {
  margin-top: 2.6rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  color: var(--terracotta-deep);
}

/* ----------------------------- Why me ----------------------------- */
.section-why { background: var(--green-900); color: var(--paper); }
.section-why .section-index { color: var(--terracotta); }
.why-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.section-why .section-title { color: var(--paper-soft); }
.why-text {
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  line-height: 1.7;
  color: color-mix(in srgb, var(--paper) 86%, transparent);
  max-width: 52ch;
}
.pull-quote {
  margin-top: 2.4rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.3;
  color: var(--paper);
  padding-left: 1.6rem;
  border-left: 2px solid var(--terracotta);
  max-width: 30ch;
}

/* ----------------------------- Approach ----------------------------- */
.approach-title { max-width: 26ch; }
.approach-text {
  margin-top: 1.2rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  color: var(--terracotta-deep);
}
.method {
  list-style: none;
  padding: 0;
  margin: 3.2rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.method-step {
  background: var(--paper);
  padding: 1.8rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 11rem;
}
.method-num {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--terracotta);
}
.method-label {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.25;
  margin-top: auto;
}

/* ----------------------------- Impact ----------------------------- */
.stats-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: var(--paper);
  padding: 2rem 1.6rem;
  position: relative;
  min-height: 11.5rem;
  display: flex;
  flex-direction: column;
  transition: background 0.3s var(--ease);
}
.stat.has-detail { cursor: help; }
.stat:focus-visible { outline: 2px solid var(--terracotta); outline-offset: -2px; }
.stat-value {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.3rem, 3.6vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--green-900);
}
.stat-label {
  margin-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--green-600);
  line-height: 1.4;
}
.stat-detail {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--terracotta-deep);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.stat.has-detail::after {
  content: '+';
  position: absolute;
  top: 1.4rem; right: 1.5rem;
  color: var(--terracotta);
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.stat.has-detail:hover,
.stat.has-detail:focus { background: var(--paper-deep); }
.stat.has-detail:hover .stat-detail,
.stat.has-detail:focus .stat-detail { opacity: 1; transform: translateY(0); }
.stat.has-detail:hover::after,
.stat.has-detail:focus::after { opacity: 0; }

/* span the last lonely cells nicely on the 4-col grid (7 items) */

/* ----------------------------- Insights ----------------------------- */
.insights-list {
  margin-top: 3rem;
  display: grid;
  gap: 1.5rem;
}
.insight-card {
  display: block;
  text-decoration: none;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
  max-width: 52rem;
}
.insight-card:hover {
  border-color: var(--terracotta);
  transform: translateY(-3px);
  box-shadow: 0 24px 44px -30px rgba(22, 32, 27, 0.55);
}
.insight-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  align-items: center;
  margin-bottom: 1.1rem;
}
.insight-source {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--terracotta);
}
.insight-coauthor { font-size: 0.85rem; color: var(--green-600); }
.insight-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.1vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.insight-excerpt {
  margin-top: 0.9rem;
  color: var(--green-600);
  max-width: 52ch;
}
.insight-cta {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--green-900);
}
.insight-cta-arrow { transition: transform 0.3s var(--ease); color: var(--terracotta); }
.insight-card:hover .insight-cta-arrow { transform: translateX(5px); }

/* ----------------------------- About ----------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.about-main {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  max-width: 26ch;
}
.about-secondary {
  margin-top: 1.8rem;
  color: var(--green-600);
  max-width: 56ch;
}

/* ----------------------------- Work together ----------------------------- */
.work-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.work-card {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 2.5vw, 2.4rem);
  display: flex;
  flex-direction: column;
  min-height: 16rem;
  position: relative;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease),
    transform 0.3s var(--ease);
}
.work-card:hover {
  border-color: var(--terracotta);
  transform: translateY(-3px);
}
.work-need {
  font-size: 0.92rem;
  color: var(--green-600);
  line-height: 1.45;
  max-width: 26ch;
}
.work-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  margin-top: 1.4rem;
  letter-spacing: -0.01em;
}
.work-desc {
  margin-top: 0.6rem;
  color: var(--green-700);
  font-size: 0.95rem;
}
.work-arrow {
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--terracotta);
  font-size: 1.3rem;
  transition: transform 0.3s var(--ease);
}
.work-card:hover .work-arrow { transform: translateX(6px); }
.work-cta { margin-top: 2.6rem; }

/* ----------------------------- Contact ----------------------------- */
.section-contact { background: var(--green-900); color: var(--paper); }
.section-contact .section-index { color: var(--terracotta); }
.section-contact .section-title { color: var(--paper-soft); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.contact-intro {
  margin-top: 1.6rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1.45;
  color: color-mix(in srgb, var(--paper) 85%, transparent);
  max-width: 32ch;
}
.contact-form { display: grid; gap: 1.4rem; }
.field { display: grid; gap: 0.5rem; }
.field label {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  font-weight: 500;
}
.field input,
.field textarea {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--paper);
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 30%, transparent);
  padding: 0.7rem 0.1rem;
  border-radius: 0;
  transition: border-color 0.25s var(--ease);
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: color-mix(in srgb, var(--paper) 45%, transparent); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--terracotta);
}
.contact-form .btn-primary {
  justify-self: start;
  background: var(--terracotta);
  color: var(--paper-soft);
  margin-top: 0.6rem;
}
.contact-form .btn-primary:hover { background: var(--paper-soft); color: var(--green-900); }
.form-note { font-size: 0.92rem; }
.form-note.is-error { color: #f0b8a3; }
.form-note.is-success { color: color-mix(in srgb, var(--paper) 85%, transparent); }

.contact-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
  text-decoration: none;
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--paper) 80%, transparent);
  transition: color 0.2s var(--ease);
}
.contact-wa-icon { color: var(--terracotta); flex: none; transition: transform 0.25s var(--ease); }
.contact-wa-text {
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 30%, transparent);
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease);
}
.contact-wa:hover { color: var(--paper); }
.contact-wa:hover .contact-wa-icon { transform: scale(1.08); }
.contact-wa:hover .contact-wa-text { border-bottom-color: var(--terracotta); }
.contact-wa:focus-visible { outline: 2px solid var(--terracotta); outline-offset: 3px; }

/* ----------------------------- Closing ----------------------------- */
.closing {
  background: var(--paper-deep);
  padding-block: clamp(5rem, 11vw, 11rem);
  text-align: center;
}
.closing-line {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  max-width: 24ch;
  margin-inline: auto;
}

/* ----------------------------- Footer ----------------------------- */
.site-footer {
  background: var(--green-900);
  color: color-mix(in srgb, var(--paper) 80%, transparent);
  padding-block: 3rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem;
}
.footer-brand { display: flex; align-items: baseline; gap: 0.9rem; }
.footer-brand .wordmark-name { color: var(--paper); }
.footer-role {
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 600;
}
.footer-meta, .footer-copy { font-size: 0.88rem; }

/* ----------------------------- Reveal ----------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; max-width: 22rem; }
  .why-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .method { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: 1fr; gap: 1rem; }

  .primary-nav {
    position: fixed;
    inset: 4.6rem 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper-soft);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.5rem;
    margin: 0;
    transform: translateY(-120%);
    transition: transform 0.35s var(--ease);
    box-shadow: 0 24px 40px -30px rgba(22, 32, 27, 0.5);
  }
  .site-header.nav-open .primary-nav { transform: translateY(0); }
  .primary-nav a { padding: 1rem 0; border-bottom: 1px solid var(--line-soft); font-size: 1.05rem; }
  .primary-nav a::after { display: none; }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.6rem; height: 2.6rem;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 0 0.6rem;
  }
  .menu-toggle span {
    display: block; height: 1.5px; width: 100%;
    background: var(--green-900);
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  .site-header.nav-open .menu-toggle span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .site-header.nav-open .menu-toggle span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

  .header-cta { display: none; }
}

@media (max-width: 540px) {
  .method { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { min-height: auto; }
  .stat-detail { opacity: 1; transform: none; }
  .stat.has-detail::after { display: none; }
  .lang-name { display: none; }
  .lang-trigger { padding: 0.5rem; }
  .header-inner { gap: 0.8rem; }
}