:root{
  --bg: #F6F1E7;
  --ink: #33453B;
  --ink-muted: #6B8A73;
  --accent: #BE5A36;
  --accent-2: #6B8A73;
  --line: rgba(51,69,59,0.14);
  --focus: #33453B;
  --surface: rgba(107,138,115,0.08);
  --surface-strong: rgba(51,69,59,0.06);
  --accent-rgb: 190,90,54;
  --accent2-rgb: 107,138,115;
  --danger: #A63244;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #33453B;
    --ink: #F6F1E7;
    --ink-muted: #A9C2AE;
    --accent: #D97A50;
    --accent-2: #6B8A73;
    --line: rgba(246,241,231,0.16);
    --focus: #D97A50;
    --surface: rgba(246,241,231,0.06);
    --surface-strong: rgba(246,241,231,0.1);
    --accent-rgb: 217,122,80;
    --accent2-rgb: 107,138,115;
  }
}
:root[data-theme="dark"]{
  --bg: #33453B;
  --ink: #F6F1E7;
  --ink-muted: #A9C2AE;
  --accent: #D97A50;
  --accent-2: #6B8A73;
  --line: rgba(246,241,231,0.16);
  --focus: #D97A50;
  --surface: rgba(246,241,231,0.06);
  --surface-strong: rgba(246,241,231,0.1);
  --accent-rgb: 217,122,80;
  --accent2-rgb: 107,138,115;
}

*{ box-sizing: border-box; }
html{ color-scheme: light dark; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior: auto; } }

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Manrope", ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap{
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: 24px;
}

a{ color: inherit; }
:focus-visible{ outline: 2px solid var(--focus); outline-offset: 3px; }
img,svg{ max-width: 100%; }

h1,h2,h3{ text-wrap: balance; margin: 0; font-family: "Space Grotesk", ui-sans-serif, sans-serif; }

.eyebrow{
  display: inline-block;
  font-family: "Manrope", sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 16px;
  margin: 0 0 18px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px 24px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--accent); color: var(--bg); }
.btn-primary:hover{ transform: translateY(-1px); }
.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }

/* ---------- nav ---------- */
header.site-nav{
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 14px;
}
.nav-brand{
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
}
.nav-brand svg{ width: 30px; height: 30px; flex: none; }
.nav-brand .root{ color: var(--ink); font-weight: 400; }
.nav-brand .works{ color: var(--accent); font-weight: 700; }
.nav-links{
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
  font-weight: 500;
}
.nav-links a{ text-decoration: none; color: var(--ink-muted); transition: color 0.15s ease; }
.nav-links a:hover{ color: var(--accent); }
.nav-cta{ display: flex; align-items: center; gap: 14px; }
@media (max-width: 760px){
  .nav-links{ display: none; }
}

/* ---------- section rhythm ---------- */
section{ padding-block: 84px; position: relative; }
section.alt{ background: var(--surface); }
.section-head{
  max-width: 640px;
  margin: 0 0 44px;
}
.section-head h2{
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 14px;
}
.section-head p{
  color: var(--ink-muted);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0;
}

/* ---------- hero ---------- */
.hero{ padding-block: 76px 88px; text-align: center; }
.hero-symbol{ width: 108px; height: 108px; margin: 0 auto 22px; display: block; }
.hero h1{
  font-size: clamp(2.3rem, 5.6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  max-width: 18ch;
  margin: 0 auto;
}
.hero-sub{
  max-width: 56ch;
  margin: 22px auto 0;
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--ink-muted);
}
.hero-ctas{
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* symbol shared styling (logo mark) */
.symbol .s-trunk{ stroke: var(--ink); }
.symbol .s-root{ stroke: var(--accent); }
.symbol .s-link, .symbol .s-ground{ stroke: var(--accent-2); }
.symbol circle.n-accent{ fill: var(--accent); }
.symbol circle.n-ink{ fill: var(--ink); }
.symbol circle.n-accent2{ fill: var(--accent-2); }

/* ---------- comparison (industry knowledge) ---------- */
.klados-grid{ display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 0 32px; }
.klados-head{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 0 32px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 6px;
}
.klados-head span{ font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 0.95rem; }
.klados-head span.typical{ color: var(--ink-muted); }
.klados-head span.us{ color: var(--accent); }
.compare-row{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 4px 32px;
  padding-block: 20px;
  border-bottom: 1px solid var(--line);
}
.compare-row p{ margin: 0; line-height: 1.55; font-size: 0.98rem; }
.compare-row .typical{ color: var(--ink-muted); }
.compare-row .us{ color: var(--ink); font-weight: 500; }
.compare-row .us strong{ color: var(--accent); font-weight: 700; }
@media (max-width: 640px){
  .klados-head{ display: none; }
  .compare-row{ grid-template-columns: 1fr; gap: 8px; padding-block: 18px; }
  .compare-row .typical::before{ content: "Ένα τυπικό web studio — "; font-weight: 700; }
  .compare-row .us::before{ content: "RootWorks — "; font-weight: 700; color: var(--accent); }
}

/* ---------- service cards ---------- */
.cards-grid{ display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card svg{ width: 40px; height: 40px; }
.card h3{ font-size: 1.08rem; font-weight: 700; }
.card p{ margin: 0; color: var(--ink-muted); font-size: 0.94rem; line-height: 1.55; }
@media (max-width: 900px){ .cards-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px){ .cards-grid{ grid-template-columns: 1fr; } }

/* ---------- feature grid ---------- */
.feature-grid{ display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px 32px; }
.feature-item{ display: flex; gap: 14px; align-items: flex-start; }
.feature-dot{
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--surface-strong); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; margin-top: 2px;
}
.feature-dot::after{ content:""; width:7px; height:7px; border-radius:50%; background: var(--accent); }
.feature-item p{ margin: 0; font-size: 0.98rem; line-height: 1.5; }
.feature-item strong{ display:block; font-weight: 700; margin-bottom: 2px; }
@media (max-width: 640px){ .feature-grid{ grid-template-columns: 1fr; } }

/* ---------- process ---------- */
.steps{ display: flex; flex-direction: column; }
.step{ display: grid; grid-template-columns: 76px minmax(0,1fr); gap: 22px; padding-block: 26px; border-top: 1px solid var(--line); }
.step:last-child{ border-bottom: 1px solid var(--line); }
.step-num{ font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.8rem; color: var(--accent); opacity: 0.55; }
.step h3{ font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; }
.step p{ margin: 0; color: var(--ink-muted); line-height: 1.6; max-width: 62ch; }
@media (max-width: 560px){
  .step{ grid-template-columns: 44px minmax(0,1fr); gap: 14px; }
  .step-num{ font-size: 1.3rem; }
}

/* ---------- concepts ---------- */
.concept-note{ font-size: 0.85rem; color: var(--ink-muted); font-style: italic; margin: -24px 0 34px; }
.concept-grid{ display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.concept-frame{ border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--surface); }
.concept-chrome{ display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.concept-chrome span{ width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.concept-label{ margin-left: auto; font-family: "Manrope", sans-serif; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); }
.concept-body{ padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.concept-hero{ height: 92px; border-radius: 10px; background: linear-gradient(180deg, rgba(var(--accent-rgb),0.10), rgba(var(--accent-rgb),0.03)); display: flex; align-items: center; justify-content: center; }
.concept-hero svg{ width: 42px; height: 42px; }
.concept-headline{ font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1rem; line-height: 1.35; margin: 0; }
.concept-sub{ font-size: 0.84rem; color: var(--ink-muted); line-height: 1.55; margin: 0; }
.concept-chip-row{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.concept-chip{ display: inline-flex; align-items: center; padding: 5px 11px; border-radius: 999px; background: var(--surface-strong); font-family: "Manrope", sans-serif; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.02em; color: var(--ink-muted); white-space: nowrap; }
.concept-caption{ padding: 0 18px 18px; font-size: 0.86rem; color: var(--ink-muted); line-height: 1.5; }
@media (max-width: 900px){ .concept-grid{ grid-template-columns: 1fr; } }

/* ---------- contact ---------- */
.contact-wrap{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.1fr);
  gap: 48px;
  align-items: start;
}
.contact-intro h2{ font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 700; margin-bottom: 16px; }
.contact-intro p{ color: var(--ink-muted); font-size: 1.02rem; line-height: 1.6; margin: 0 0 22px; max-width: 46ch; }
.contact-fact{ display: flex; gap: 12px; align-items: flex-start; margin-top: 18px; font-size: 0.92rem; color: var(--ink-muted); }
.contact-fact svg{ width: 18px; height: 18px; flex: none; stroke: var(--accent-2); margin-top: 2px; }
.contact-fact a{ color: var(--accent); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(var(--accent-rgb), 0.35); text-underline-offset: 2px; }
.contact-fact a:hover{ text-decoration-color: currentColor; }

.contact-form{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row{ display: flex; flex-direction: column; gap: 6px; }
.form-row.two{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row label{ font-size: 0.82rem; font-weight: 600; color: var(--ink-muted); }
.form-row input, .form-row select, .form-row textarea{
  font-family: "Manrope", sans-serif;
  font-size: 0.96rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
  width: 100%;
}
.form-row textarea{ resize: vertical; min-height: 110px; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{ outline: 2px solid var(--focus); outline-offset: 1px; }
.hp-field{ position: absolute; left: -9999px; top: -9999px; }
.form-submit{ margin-top: 4px; }
@media (max-width: 640px){
  .contact-wrap{ grid-template-columns: 1fr; }
  .form-row.two{ grid-template-columns: 1fr; }
}

.todo-box{
  margin-top: 22px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 0.82rem;
  color: var(--ink-muted);
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
}
.todo-box svg{ width: 16px; height: 16px; flex: none; stroke: var(--accent-2); margin-top: 2px; }

/* ---------- simple message page (contact.php result) ---------- */
.msg-page{ min-height: 60vh; display: flex; align-items: center; justify-content: center; padding-block: 60px; }
.msg-card{ max-width: 480px; text-align: center; }
.msg-card h1{ font-size: clamp(1.6rem, 4vw, 2.1rem); margin-bottom: 14px; }
.msg-card p{ color: var(--ink-muted); line-height: 1.6; margin: 0 0 26px; }

/* ---------- footer ---------- */
footer.site-footer{
  border-top: 1px solid var(--line);
  padding-block: 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.foot-name{ font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1rem; }
.sitemap{
  font-family: "Manrope", sans-serif;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.sitemap span:not(:last-child)::after{ content: "\00b7"; margin-left: 10px; color: var(--line); }
.foot-note{ font-family: "Manrope", sans-serif; font-size: 0.72rem; color: var(--ink-muted); }

@media (max-width: 480px){
  section{ padding-block: 60px; }
  .hero{ padding-block: 52px 60px; }
}