/* ============================================================
   ypnosi.gr — Design System
   Βασίλειος Τάκος · Υπνοθεραπεία & NLP
   ============================================================ */

/* GFS Artemisia — self-hosted, χορηγία Greek Font Society (OFL). 
@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisia.ttf') format('truetype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisiaBold.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisiaItalic.ttf') format('truetype');
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisiaBoldIt.ttf') format('truetype');
  font-weight: 700; font-style: italic; font-display: swap;
}
*/


@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisia.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}

@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisiaBold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisiaItalic.woff2') format('woff2');
  font-weight: 400; font-style: italic; font-display: swap;
}

@font-face {
  font-family: 'GFS Artemisia';
  src: url('../fonts/GFSArtemisiaBoldIt.woff2') format('woff2');
  font-weight: 700; font-style: italic; font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* Brand palette (αυστηρή χρήση) */
  --c-teal-900: #2C5F6B;
  --c-teal-700: #3A7D8C;   /* primary */
  --c-teal-500: #5A8C8C;   /* secondary */
  --c-sage:     #81A69B;
  --c-sand:     #F2DBAE;
  --c-tan:      #D9BD9C;

  /* Foundations */
  --c-bg:        #FAF6EE;
  --c-bg-warm:   #F5EFE3;
  --c-surface:   #FFFFFF;
  --c-ink:       #1F2A2D;
  --c-ink-soft:  #4A5A5F;
  --c-line:      #E6DECF;
  --c-line-soft: #EFE9DC;

  /* Type */
  --ff-serif: 'GFS Artemisia', Georgia, 'Times New Roman', serif;
  --ff-body:  'GFS Artemisia', Georgia, 'Times New Roman', serif;

  /* Scale */
  --fs-xs: 0.875rem;
  --fs-sm: 1rem;
  --fs-base: 1.125rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.5rem;
  --fs-xl: 2rem;
  --fs-2xl: 2.75rem;
  --fs-3xl: 3.75rem;

  /* Spacing */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4.5rem;
  --s-7: 6.5rem;

  --radius-sm: 6px;
  --radius:    14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(31,42,45,.04), 0 2px 6px rgba(31,42,45,.04);
  --shadow:    0 6px 24px rgba(31,42,45,.06), 0 2px 8px rgba(31,42,45,.04);
  --shadow-lg: 0 24px 60px rgba(31,42,45,.10), 0 6px 18px rgba(31,42,45,.05);

  --container: 1180px;
}

/* ---------- Reset & base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--c-teal-700); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-teal-900); }

h1, h2, h3, h4 {
  font-family: var(--ff-serif);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.2;
  margin: 0 0 var(--s-3);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.6vw, var(--fs-3xl)); }
h2 { font-size: clamp(1.75rem, 3.4vw, var(--fs-2xl)); }
h3 { font-size: clamp(1.25rem, 2vw, var(--fs-lg)); }
h4 { font-size: var(--fs-md); }
p  { margin: 0 0 var(--s-3); text-wrap: pretty; }
ul { padding-left: 1.2rem; }
li { margin-bottom: .35rem; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--s-3); }
section { padding: var(--s-7) 0; }
@media (max-width: 768px){ section { padding: var(--s-5) 0; } }

/* ---------- Utility ---------- */
.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-teal-700);
  margin-bottom: var(--s-2);
  font-weight: 600;
}
.lead { font-size: var(--fs-md); color: var(--c-ink-soft); }
.muted { color: var(--c-ink-soft); }
.center { text-align: center; }
.divider { width: 60px; height: 2px; background: var(--c-tan); margin: var(--s-3) auto; }
.bg-cream { background: var(--c-bg-warm); }
.bg-sand  { background: var(--c-sand); }
.bg-teal  { background: var(--c-teal-700); color: #fff; }
.bg-teal h1,.bg-teal h2,.bg-teal h3 { color: #fff; }
.bg-teal .muted, .bg-teal .lead { color: rgba(255,255,255,.85); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.6rem;
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
  min-height: 48px;
}
.btn-primary { background: var(--c-teal-700); color: #fff; }
.btn-primary:hover { background: var(--c-teal-900); color: #fff; box-shadow: var(--shadow); }
.btn-ghost  { background: transparent; color: var(--c-teal-700); border-color: var(--c-teal-700); }
.btn-ghost:hover { background: var(--c-teal-700); color: #fff; }
.btn-sand   { background: var(--c-sand); color: var(--c-teal-900); }
.btn-sand:hover { background: var(--c-tan); }
.btn:focus-visible { outline: 3px solid var(--c-sand); outline-offset: 2px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,246,238,.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--c-line-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-2) 0;
}
.brand {
  display: flex; align-items: center; gap: .7rem;
  font-family: var(--ff-serif);
  font-weight: 700; font-size: 1.25rem; color: var(--c-ink);
}
.brand-mark {
  width: 38px; height: 38px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--c-sage), var(--c-teal-700) 75%);
  display: grid; place-items: center; color: #fff;
  font-family: var(--ff-serif); font-size: 1.05rem;
}
.brand small { display: block; font-size: .72rem; font-weight: 400; color: var(--c-ink-soft); letter-spacing: .18em; text-transform: uppercase; }

.nav-menu { display: flex; gap: 1.6rem; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-menu a {
  color: var(--c-ink); font-family: var(--ff-serif); font-size: 1rem;
  letter-spacing: .04em; position: relative; padding: .4rem 0;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--c-teal-700); }
.nav-menu a.active::after {
  content:''; position:absolute; left:0; right:0; bottom:-4px; height:2px; background: var(--c-tan);
}
.nav-cta { display: flex; gap: .6rem; align-items: center; }
.nav-tel { font-family: var(--ff-serif); color: var(--c-teal-700); font-weight: 600; }

.hamburger {
  display: none; background: none; border: none; padding: .5rem; cursor: pointer;
}
.hamburger span { display:block; width:24px; height:2px; background: var(--c-ink); margin: 5px 0; transition: .25s; }

@media (max-width: 980px){
  .nav-menu, .nav-cta { display: none; }
  .hamburger { display: block; }
  .nav-menu.open {
    display: flex; flex-direction: column; gap: .3rem;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--c-bg); padding: var(--s-3); border-bottom: 1px solid var(--c-line);
  }
  .nav-menu.open a { padding: .7rem 0; border-bottom: 1px solid var(--c-line-soft); width:100%; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: var(--s-7) 0 var(--s-6);
  text-align: center;
  background: var(--c-bg);
}
.hero::before {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(circle at 50% 38%, rgba(129,166,155,.28), transparent 55%),
    radial-gradient(circle at 50% 80%, rgba(217,189,156,.22), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero h1 { max-width: 22ch; margin: 0 auto var(--s-3); }
.hero .lead { max-width: 56ch; margin: 0 auto var(--s-4); }
.hero-ctas { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }
.hero-meta {
  margin-top: var(--s-5); display: flex; gap: 2rem; justify-content: center;
  font-size: var(--fs-sm); color: var(--c-ink-soft); flex-wrap: wrap;
}
.hero-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.dot { width: 6px; height: 6px; background: var(--c-sage); border-radius: 50%; }

/* ---------- Trust strip ---------- */
.trust {
  border-top: 1px solid var(--c-line-soft);
  border-bottom: 1px solid var(--c-line-soft);
  padding: var(--s-3) 0;
  background: var(--c-bg-warm);
}
.trust-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3);
  text-align: center; align-items: center;
}
.trust-item { font-size: var(--fs-sm); color: var(--c-ink-soft); }
.trust-item strong { display: block; color: var(--c-teal-700); font-size: 1.1rem; margin-bottom: .2rem; font-family: var(--ff-serif); }
@media (max-width: 720px){ .trust-row { grid-template-columns: repeat(2, 1fr); gap: var(--s-2); } }

/* ---------- Cards & grids ---------- */
.section-head { text-align: center; max-width: 60ch; margin: 0 auto var(--s-5); }
.section-head h2 { margin-bottom: var(--s-2); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-4); align-items: center; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
@media (max-width: 900px){
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius);
  padding: var(--s-4);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--c-line); }
.card h3 { margin-bottom: var(--s-1); font-size: 1.25rem; }
.card p { color: var(--c-ink-soft); margin-bottom: var(--s-2); font-size: 1rem; }
.card-link { font-family: var(--ff-serif); color: var(--c-teal-700); font-weight: 600; font-size: .95rem; }
.card-link::after { content: ' →'; transition: margin .2s ease; display: inline-block; }
.card:hover .card-link::after { margin-left: .25rem; }

.card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--c-bg-warm);
  color: var(--c-teal-700);
  display: grid; place-items: center;
  margin-bottom: var(--s-2);
  border: 1px solid var(--c-line-soft);
}
.card-icon svg { width: 22px; height: 22px; }

/* ---------- Image placeholder ---------- */
.img-placeholder {
  background:
    repeating-linear-gradient(135deg, rgba(58,125,140,.06) 0 12px, rgba(58,125,140,.10) 12px 24px),
    var(--c-bg-warm);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  display: grid; place-items: center;
  color: var(--c-ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .85rem;
  letter-spacing: .04em;
  min-height: 360px;
  padding: var(--s-3);
  text-align: center;
}
.img-placeholder.tall { min-height: 480px; }
.img-placeholder.round { border-radius: 50%; aspect-ratio: 1/1; min-height: 0; }

/* ---------- Process steps ---------- */
.steps { counter-reset: step; display: grid; gap: var(--s-3); }
.step {
  display: grid; grid-template-columns: 56px 1fr; gap: var(--s-3);
  padding: var(--s-3); background: var(--c-surface);
  border: 1px solid var(--c-line-soft); border-radius: var(--radius);
}
.step-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--c-bg-warm); color: var(--c-teal-700);
  display: grid; place-items: center;
  font-family: var(--ff-serif); font-size: 1.4rem; font-weight: 700;
}
.step h4 { margin-bottom: .35rem; }
.step p { margin: 0; color: var(--c-ink-soft); font-size: 1rem; }

/* ---------- Modes (online/in-person) ---------- */
.modes { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); }
.mode {
  background: var(--c-surface);
  border: 1px solid var(--c-line-soft); border-radius: var(--radius-lg);
  padding: var(--s-4);
}
.mode-tag {
  display: inline-block; font-size: .8rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-teal-700); background: var(--c-bg-warm);
  padding: .3rem .7rem; border-radius: var(--radius-pill); margin-bottom: var(--s-2);
}
.mode ul { padding-left: 1.1rem; }
@media (max-width: 760px){ .modes { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq {
  border-bottom: 1px solid var(--c-line);
  padding: var(--s-3) 0;
}
.faq summary {
  list-style: none; cursor: pointer;
  font-family: var(--ff-serif); font-size: 1.2rem;
  color: var(--c-ink); display: flex; justify-content: space-between; align-items: center;
  gap: var(--s-2);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; color: var(--c-teal-700); font-size: 1.6rem; line-height: 1; transition: transform .25s ease;
}
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { margin-top: var(--s-2); color: var(--c-ink-soft); }

/* ---------- Form ---------- */
.form-wrap {
  background: var(--c-surface);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); margin-bottom: var(--s-3); }
.form-field { display: flex; flex-direction: column; gap: .4rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .92rem; color: var(--c-ink-soft); font-family: var(--ff-serif); }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--ff-body); font-size: 1rem;
  padding: .8rem 1rem; min-height: 48px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  color: var(--c-ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--c-teal-700);
  box-shadow: 0 0 0 3px rgba(58,125,140,.15);
}
.form-honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.checks { display: grid; gap: .7rem; margin-bottom: var(--s-3); }
.check {
  display: grid; grid-template-columns: 22px 1fr; gap: .7rem; align-items: start;
  font-size: .92rem; color: var(--c-ink-soft);
}
.check input { margin-top: 4px; }
.alert {
  padding: var(--s-2) var(--s-3); border-radius: var(--radius-sm);
  margin-bottom: var(--s-3); font-size: .95rem;
}
.alert-ok  { background: rgba(129,166,155,.18); color: var(--c-teal-900); border: 1px solid var(--c-sage); }
.alert-err { background: rgba(217,189,156,.25); color: #6b3a1a; border: 1px solid var(--c-tan); }
@media (max-width: 640px){ .form-row { grid-template-columns: 1fr; } .form-wrap { padding: var(--s-3); } }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-size: .85rem; color: var(--c-ink-soft);
  padding: var(--s-2) 0; border-bottom: 1px solid var(--c-line-soft);
}
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.breadcrumbs li::after { content: '›'; margin-left: .4rem; color: var(--c-tan); }
.breadcrumbs li:last-child::after { content: ''; }
.breadcrumbs a { color: var(--c-ink-soft); }
.breadcrumbs a:hover { color: var(--c-teal-700); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-teal-900);
  color: rgba(255,255,255,.82);
  padding: var(--s-6) 0 var(--s-3);
  margin-top: var(--s-6);
}
.site-footer h4 { color: #fff; font-size: 1.1rem; margin-bottom: var(--s-2); }
.site-footer a { color: rgba(255,255,255,.82); }
.site-footer a:hover { color: var(--c-sand); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s-4); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: .5rem; }
.footer-brand small { color: rgba(255,255,255,.6); display: block; margin-top: .5rem; }
.footer-disclaimer {
  margin-top: var(--s-5); padding-top: var(--s-3);
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .82rem; color: rgba(255,255,255,.6); line-height: 1.6;
}
.footer-meta {
  margin-top: var(--s-2); display: flex; justify-content: space-between; flex-wrap: wrap;
  font-size: .8rem; color: rgba(255,255,255,.55); gap: var(--s-2);
}
@media (max-width: 900px){ .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Floating mobile CTA ---------- */
.mobile-cta {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  padding: .6rem; gap: .5rem;
  background: rgba(250,246,238,.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--c-line);
}
.mobile-cta .btn { flex: 1; min-height: 52px; font-size: 1rem; padding: .7rem 1rem; }
@media (max-width: 720px){ .mobile-cta { display: flex; } body { padding-bottom: 76px; } }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 520px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: var(--s-3);
  box-shadow: var(--shadow-lg);
  font-size: .9rem;
  z-index: 70;
  display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner p { margin: 0 0 var(--s-2); color: var(--c-ink-soft); }
.cookie-banner .row { display: flex; gap: .5rem; flex-wrap: wrap; }
.cookie-banner .btn { padding: .6rem 1rem; min-height: 40px; font-size: .9rem; }
@media (min-width: 720px){ .cookie-banner { bottom: 20px; left: 20px; right: auto; } }

/* ---------- Service page extras ---------- */
.service-hero {
  background: var(--c-bg-warm);
  padding: var(--s-6) 0 var(--s-5);
}
.service-hero h1 { max-width: 22ch; }
.service-hero .lead { max-width: 58ch; }
.service-grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--s-5); align-items: start; }
.service-aside {
  position: sticky; top: 96px;
  background: var(--c-surface);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius);
  padding: var(--s-3);
}
.service-aside h4 { font-size: 1.05rem; margin-bottom: var(--s-1); }
.service-aside p  { font-size: .95rem; color: var(--c-ink-soft); margin-bottom: var(--s-2); }
@media (max-width: 900px){ .service-grid { grid-template-columns: 1fr; } .service-aside { position: static; } }

.disclaimer-box {
  background: var(--c-bg-warm);
  border-left: 3px solid var(--c-tan);
  padding: var(--s-3);
  border-radius: var(--radius-sm);
  font-size: .92rem;
  color: var(--c-ink-soft);
  margin-top: var(--s-4);
}

/* ---------- Skip link & accessibility ---------- */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: fixed; left: 16px; top: 16px; width: auto; height: auto;
  padding: .6rem 1rem; background: var(--c-teal-700); color: #fff; z-index: 100; border-radius: 6px;
}
:focus-visible { outline: 3px solid var(--c-sand); outline-offset: 2px; border-radius: 4px; }

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .mobile-cta, .cookie-banner { display: none; }
  body { background: #fff; color: #000; }
}