/* ==========================================================================
   CherrySol — Design System
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f5f2;
  --color-bg-dark: #14151f;
  --color-ink: #16171f;
  --color-ink-soft: #565968;
  --color-ink-faint: #8c8f9c;
  --color-line: #e7e4df;
  --color-line-dark: #2a2b38;

  --color-cherry: #c81e43;
  --color-cherry-dark: #9a1633;
  --color-cherry-light: #fdecf0;
  --color-gold: #d3a349;

  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --container: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 10px rgba(20, 20, 30, 0.06);
  --shadow-md: 0 12px 32px rgba(20, 20, 30, 0.10);
  --shadow-lg: 0 24px 60px rgba(20, 20, 30, 0.16);

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

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p { margin: 0 0 1em; }
button { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
@media (max-width: 720px) {
  section { padding: 64px 0; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cherry);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-cherry);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p { color: var(--color-ink-soft); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-cherry);
  color: #fff;
  box-shadow: 0 10px 24px rgba(200, 30, 67, 0.28);
}
.btn-primary:hover { background: var(--color-cherry-dark); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(200, 30, 67, 0.34); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}
.btn-ghost:hover { border-color: var(--color-ink); transform: translateY(-2px); }

.btn-ghost-invert {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost-invert:hover { border-color: #fff; transform: translateY(-2px); }

.btn-light {
  background: #fff;
  color: var(--color-cherry-dark);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-ink);
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-cherry), var(--color-cherry-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  flex: none;
}
.brand span { color: var(--color-cherry); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav > ul { display: flex; align-items: center; gap: 2px; }
.main-nav a.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.main-nav a.nav-link:hover,
.main-nav a.nav-link.active { color: var(--color-ink); background: var(--color-bg-alt); }

.nav-item.has-dropdown { position: relative; }
.chevron { transition: transform 0.2s var(--ease); }
.nav-item.has-dropdown:hover .chevron { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 300px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}
@media (min-width: 961px) {
  .nav-item.has-dropdown:hover .dropdown,
  .nav-item.has-dropdown:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
}
.dropdown a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: 0.92rem;
  font-weight: 600;
  transition: background 0.2s var(--ease);
}
.dropdown a small { font-weight: 400; color: var(--color-ink-faint); font-size: 0.8rem; }
.dropdown a:hover { background: var(--color-bg-alt); }

.nav-cta { display: flex; align-items: center; gap: 12px; margin-left: 14px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--color-line);
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: none;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100vh - 90px);
    background: #fff;
    border-bottom: 1px solid var(--color-line);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
    overflow-y: auto;
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 4px; width: 100%; }
  .main-nav a.nav-link { width: 100%; padding: 14px 16px; }
  .nav-item.has-dropdown .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    display: none;
    min-width: 0;
    padding: 4px 0 4px 12px;
  }
  .nav-item.has-dropdown.open .dropdown { display: flex; flex-direction: column; }
  .nav-item.has-dropdown.open .chevron { transform: rotate(180deg); }
  .nav-cta { flex-direction: column; align-items: stretch; margin: 16px 0 0; }
  body.nav-open { overflow: hidden; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 100px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(200, 30, 67, 0.10), transparent 60%),
    radial-gradient(700px 420px at 0% 100%, rgba(211, 163, 73, 0.10), transparent 60%),
    var(--color-bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  margin-bottom: 22px;
}
.hero h1 .accent { color: var(--color-cherry); }
.hero .lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-art {
  position: relative;
  border-radius: var(--radius-lg);
  min-height: 420px;
  background: linear-gradient(155deg, var(--color-ink) 0%, #23243380 100%), var(--color-bg-dark);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-art .flow {
  position: absolute;
  inset: 0;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.flow-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: #fff;
  backdrop-filter: blur(6px);
  transform: translateX(0);
}
.flow-step .num {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-cherry);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; flex: none;
}
.flow-step strong { display: block; font-size: 0.95rem; }
.flow-step span { display: block; font-size: 0.78rem; color: rgba(255,255,255,0.6); }
.flow-line {
  width: 2px; height: 18px; background: rgba(255,255,255,0.18); margin-left: 33px;
}

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 0; }
  .hero-art .flow { position: relative; inset: auto; padding: 28px 22px; }
}

/* ---------- Intro strip ---------- */
.intro-strip {
  padding: 56px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.intro-strip p {
  font-size: 1.2rem;
  font-family: var(--font-head);
  font-weight: 500;
  max-width: 900px;
  color: var(--color-ink);
  margin: 0;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1080px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.card-icon {
  width: 50px; height: 50px;
  border-radius: 13px;
  background: var(--color-cherry-light);
  color: var(--color-cherry);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--color-ink-soft); font-size: 0.96rem; margin-bottom: 0; }

/* ---------- Why section ---------- */
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 36px; } }

.stat-card {
  background: var(--color-ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute; right: -60px; bottom: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(200,30,67,0.35), transparent 70%);
}
.stat-list { display: grid; gap: 22px; position: relative; }
.stat-list li { display: flex; gap: 16px; align-items: flex-start; }
.stat-list .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-cherry); margin-top: 8px; flex: none;
}
.stat-list strong { display: block; margin-bottom: 2px; }
.stat-list span { color: rgba(255,255,255,0.65); font-size: 0.9rem; }

.why-copy p { color: var(--color-ink-soft); font-size: 1.05rem; }
.why-copy .btn { margin-top: 8px; }

/* ---------- Closing CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-ink) 0%, #2b0d18 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  margin: 0 24px;
  max-width: calc(var(--container) - 0px);
  margin-inline: auto;
}
.cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,0.72); max-width: 560px; margin: 0 auto 30px; font-size: 1.05rem; }
@media (max-width: 620px) { .cta-section { padding: 40px 26px; } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: 80px 0 60px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-line);
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); max-width: 780px; }
.page-hero .lead { font-size: 1.1rem; color: var(--color-ink-soft); max-width: 680px; margin-top: 14px; }

/* ---------- Prose ---------- */
.prose { max-width: 760px; }
.prose p { color: var(--color-ink-soft); font-size: 1.05rem; }
.prose h2 { font-size: 1.6rem; margin-top: 1.4em; }

/* ---------- Two column list ---------- */
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 720px) { .check-grid { grid-template-columns: 1fr; } }
.check-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
}
.check-item .tick {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-cherry-light);
  color: var(--color-cherry);
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.check-item p { margin: 0; font-size: 0.98rem; color: var(--color-ink); }

/* ---------- Approach steps ---------- */
.approach-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .approach-steps { grid-template-columns: 1fr; } }
.approach-steps .step {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px;
  background: var(--color-bg-alt);
}
.approach-steps .step .step-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-cherry);
  margin-bottom: 10px;
}

/* ---------- Services ---------- */
.service-block {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  padding: 56px 0;
  border-bottom: 1px solid var(--color-line);
  scroll-margin-top: 100px;
}
.service-block:last-child { border-bottom: none; }
@media (max-width: 860px) { .service-block { grid-template-columns: 1fr; gap: 24px; } }

.service-index {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-ink-faint);
  letter-spacing: 0.04em;
}
.service-block h2 {
  font-size: 1.6rem;
  margin-top: 8px;
}
.service-copy p { color: var(--color-ink-soft); }
.service-copy h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-faint);
  margin: 24px 0 12px;
}
.engagement-list { display: grid; gap: 10px; }
.engagement-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.96rem;
  color: var(--color-ink);
}
.engagement-list li::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-cherry);
  margin-top: 9px; flex: none;
}

.service-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 22px 0 0;
}
.service-jump a {
  padding: 9px 16px;
  border-radius: 100px;
  border: 1px solid var(--color-line);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  transition: all 0.2s var(--ease);
}
.service-jump a:hover { border-color: var(--color-cherry); color: var(--color-cherry); background: var(--color-cherry-light); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: flex-start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.form-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.field .optional { font-weight: 400; color: var(--color-ink-faint); }
.field input,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-line);
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--color-ink);
  background: var(--color-bg-alt);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-cherry);
  background: #fff;
}
.field textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.82rem;
  color: var(--color-ink-faint);
  margin-top: 6px;
}

.form-success {
  display: none;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-cherry-light);
  border: 1px solid #f3c3d0;
  color: var(--color-cherry-dark);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 22px;
  font-size: 0.95rem;
}
.form-success.show { display: flex; }

.contact-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.info-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.info-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.info-card p { color: var(--color-ink-soft); font-size: 0.94rem; }
.info-card a.email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--color-cherry);
  margin-top: 4px;
}
.info-card .info-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
}
.info-card .info-row + .info-row { border-top: 1px solid var(--color-line); }
.info-card .info-row .ic {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--color-cherry-light); color: var(--color-cherry);
  display: flex; align-items: center; justify-content: center; flex: none;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand .brand { color: #fff; }
.footer-brand p { margin-top: 14px; font-size: 0.92rem; max-width: 320px; color: rgba(255,255,255,0.55); }
.footer-col h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: 0.92rem; color: rgba(255,255,255,0.65); transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Reveal animation ----------
   Gated behind html.js so content stays visible by default if JS
   doesn't run (blocked, slow, or fails) rather than staying hidden. */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }