/* =========================================================================
   Doc Marketing — docmarketing.gr
   Design system & site styles
   Brand: #46CDCF  |  Typeface: Inter (UI/body) + Source Serif 4 (editorial)
   ========================================================================= */

/* ---------- 1. Tokens ---------------------------------------------------- */
:root {
  /* Brand */
  --brand:        #46CDCF;
  --brand-600:    #2FB6B9;
  --brand-700:    #189A9D;   /* min 3:1 on white — large text, icons, rules */
  --brand-800:    #0B6F72;   /* accessible brand tone for text on white */
  --brand-050:    #EAF8F8;
  --brand-100:    #D3F1F1;

  /* Ink */
  --ink:          #06181E;
  --ink-800:      #0A2027;
  --ink-700:      #0F2C34;
  --ink-600:      #17414A;

  /* Neutrals */
  --text:         #0E252C;
  --muted:        #4E666D;
  --muted-2:      #6C838A;
  --paper:        #FFFFFF;
  --paper-2:      #F5F9F9;
  --paper-3:      #EAF1F2;
  --line:         #DFE9EA;
  --line-strong:  #C6D7D9;

  /* On dark */
  --on-dark:      #EAF4F5;
  --on-dark-mute: rgba(234,244,245,.66);
  --on-dark-line: rgba(234,244,245,.14);

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;

  --fs-display: clamp(2.5rem, 5.6vw, 4.4rem);
  --fs-h1:      clamp(2.1rem, 4.4vw, 3.35rem);
  --fs-h2:      clamp(1.75rem, 3.2vw, 2.55rem);
  --fs-h3:      clamp(1.2rem, 1.9vw, 1.45rem);
  --fs-lead:    clamp(1.05rem, 1.45vw, 1.28rem);
  --fs-body:    1.0625rem;
  --fs-sm:      0.9375rem;
  --fs-xs:      0.8125rem;

  /* Layout */
  --wrap:       1200px;
  --wrap-narrow: 860px;
  --gutter:     clamp(1.25rem, 4vw, 3rem);
  --sec-y:      clamp(4.5rem, 9vw, 8.5rem);

  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --shadow-sm: 0 1px 2px rgba(6,24,30,.05), 0 4px 14px rgba(6,24,30,.05);
  --shadow:    0 2px 6px rgba(6,24,30,.06), 0 18px 44px rgba(6,24,30,.09);
  --shadow-lg: 0 30px 80px rgba(6,24,30,.16);

  --ease: cubic-bezier(.22,.61,.36,1);
  --header-h: 78px;
}

/* ---------- 2. Reset ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 640; line-height: 1.14; letter-spacing: -0.022em; }
p { margin: 0 0 1.1em; }
ul { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 640; }
::selection { background: var(--brand); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--brand-600);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. Layout helpers -------------------------------------------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: var(--wrap-narrow); }
.section { padding-block: var(--sec-y); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 5.5rem); }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: var(--on-dark); }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #fff; }
.section--ink p { color: var(--on-dark-mute); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: var(--ink); padding: .75rem 1.25rem; border-radius: 0 0 var(--r-sm) 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- 4. Typography components ------------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand-800); margin: 0 0 1.25rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--brand-600); flex: none;
}
.section--ink .eyebrow { color: var(--brand); }
.section--ink .eyebrow::before { background: var(--brand); }

.display { font-size: var(--fs-display); letter-spacing: -0.032em; line-height: 1.04; }
.h1 { font-size: var(--fs-h1); }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); letter-spacing: -0.014em; }

.lead {
  font-size: var(--fs-lead); line-height: 1.62; color: var(--muted); max-width: 62ch;
}
h1 + .lead, h2 + .lead, h3 + .lead { margin-top: 1.3rem; }
.section--ink .lead { color: var(--on-dark-mute); }

.serif { font-family: var(--font-serif); font-weight: 400; }
.accent { color: var(--brand-800); }
.section--ink .accent { color: var(--brand); }

.section-head { max-width: 780px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .lead { margin-top: 1.35rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .lead { margin-inline: auto; }
.section-head--center .eyebrow { justify-content: center; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.section--ink .rule { background: var(--on-dark-line); }

/* ---------- 5. Buttons --------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .95rem 1.6rem; border-radius: 999px; border: 1px solid transparent;
  font-size: var(--fs-sm); font-weight: 620; letter-spacing: -0.005em; cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; flex: none; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary { background: var(--brand); color: var(--ink); box-shadow: 0 6px 22px rgba(70,205,207,.28); }
.btn--primary:hover { background: #5FD8DA; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(70,205,207,.36); }

.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-700); transform: translateY(-2px); }

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

.btn--ghost-light { border-color: var(--on-dark-line); color: #fff; background: transparent; }
.btn--ghost-light:hover { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.07); transform: translateY(-2px); }

.btn--sm { padding: .68rem 1.2rem; font-size: var(--fs-xs); }

.btn-row { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.25rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; font-size: var(--fs-sm); color: var(--brand-800);
  border-bottom: 1px solid transparent; transition: border-color .25s var(--ease), gap .25s var(--ease);
}
.link-arrow:hover { border-color: currentColor; gap: .75rem; }
.section--ink .link-arrow { color: var(--brand); }

/* ---------- 6. Header ---------------------------------------------------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner { display: flex; align-items: center; gap: 1.5rem; width: 100%; }
.header__logo { display: flex; align-items: center; flex: none; }
.header__logo img { height: 34px; width: auto; transition: opacity .3s var(--ease); }
.header__logo .logo-light { display: none; }

.nav { margin-left: auto; display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.nav__link {
  position: relative; font-size: var(--fs-sm); font-weight: 520; color: var(--text); padding: .35rem 0;
  transition: color .25s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1.5px;
  background: var(--brand-600); transition: right .3s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after { right: 0; }
.nav__link[aria-current="page"] { color: var(--brand-800); font-weight: 620; }
.header__cta { flex: none; margin-left: .5rem; }

/* transparent-over-dark-hero variant */
.header--over { color: #fff; }
.header--over .nav__link { color: rgba(255,255,255,.82); }
.header--over .nav__link:hover, .header--over .nav__link[aria-current="page"] { color: #fff; }
.header--over .header__logo .logo-dark { display: none; }
.header--over .header__logo .logo-light { display: block; }
.header--over .burger span { background: #fff; }

.header.is-stuck {
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px rgba(6,24,30,.06);
  color: var(--text);
}
.header.is-stuck .nav__link { color: var(--text); }
.header.is-stuck .nav__link[aria-current="page"] { color: var(--brand-800); }
.header.is-stuck .header__logo .logo-dark { display: block; }
.header.is-stuck .header__logo .logo-light { display: none; }
.header.is-stuck .burger span { background: var(--ink); }

.burger {
  display: none; width: 44px; height: 44px; margin-right: -10px;
  background: none; border: 0; cursor: pointer; position: relative; flex: none;
}
.burger span {
  position: absolute; left: 11px; width: 22px; height: 1.8px; background: var(--ink); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease), background-color .3s var(--ease);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* mobile drawer */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99; background: var(--ink);
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2.5rem;
  display: flex; flex-direction: column; gap: .25rem;
  transform: translateY(-100%); opacity: 0; visibility: hidden;
  transition: transform .45s var(--ease), opacity .35s var(--ease), visibility .35s;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-nav a {
  color: #fff; font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em;
  padding: .8rem 0; border-bottom: 1px solid var(--on-dark-line);
}
.mobile-nav a:last-of-type { border-bottom: 0; }
.mobile-nav .btn { margin-top: 1.75rem; align-self: flex-start; }
.mobile-nav__foot { margin-top: auto; padding-top: 2rem; color: var(--on-dark-mute); font-size: var(--fs-sm); }
.mobile-nav__foot a { font-size: var(--fs-sm); font-weight: 500; border: 0; padding: 0; color: var(--brand); }
body.nav-open { overflow: hidden; }

/* ---------- 7. Hero ------------------------------------------------------ */
.hero {
  position: relative; background: var(--ink); color: var(--on-dark); overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(3.5rem, 8vw, 7rem));
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; z-index: -1; inset: -30% -10% auto -20%; height: 130%;
  background:
    radial-gradient(52% 46% at 18% 8%, rgba(70,205,207,.30) 0%, rgba(70,205,207,0) 62%),
    radial-gradient(46% 40% at 88% 78%, rgba(70,205,207,.20) 0%, rgba(70,205,207,0) 64%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; z-index: -1; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 78%);
  pointer-events: none;
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
.hero h1 { color: #fff; }
.hero .lead { color: var(--on-dark-mute); margin-top: 1.6rem; max-width: 46ch; }
.hero__note { margin-top: 2.5rem; font-size: var(--fs-xs); color: rgba(234,244,245,.5); letter-spacing: .02em; }

/* hero page variant (inner pages) */
.hero--page { padding-bottom: clamp(3rem, 6vw, 5rem); }
.hero--page .hero__grid { grid-template-columns: minmax(0, 1fr); }
.hero--page h1 { max-width: 18ch; }
.hero__breadcrumb { font-size: var(--fs-xs); color: rgba(234,244,245,.5); margin-bottom: 1.5rem; letter-spacing: .02em; }
.hero__breadcrumb a:hover { color: var(--brand); }

/* orbit diagram */
.orbit { position: relative; width: 100%; aspect-ratio: 1; max-width: 470px; margin-inline: auto; }
.orbit svg { width: 100%; height: 100%; overflow: visible; }
.orbit__ring { fill: none; stroke: rgba(234,244,245,.13); stroke-width: 1; }
.orbit__ring--dash { stroke-dasharray: 3 7; stroke: rgba(70,205,207,.35); }
.orbit__spin { transform-origin: 250px 250px; animation: spin 46s linear infinite; }
.orbit__spin--rev { animation-duration: 64s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .orbit__spin { animation: none; } }
.orbit__node circle { fill: var(--ink-800); stroke: rgba(70,205,207,.5); stroke-width: 1.2; }
.orbit__node text { fill: rgba(234,244,245,.82); font-size: 13px; font-weight: 600; font-family: var(--font-sans); }
.orbit__core { fill: url(#coreGrad); }
.orbit__label { fill: #fff; font-family: var(--font-sans); font-weight: 640; font-size: 17px; letter-spacing: -.02em; }
.orbit__sub { fill: rgba(234,244,245,.55); font-family: var(--font-sans); font-size: 11.5px; letter-spacing: .12em; }

/* ---------- 8. Stat / marquee strip -------------------------------------- */
.strip {
  border-top: 1px solid var(--on-dark-line); border-bottom: 1px solid var(--on-dark-line);
  background: var(--ink-800); color: var(--on-dark);
}
.strip__inner { display: flex; flex-wrap: wrap; gap: clamp(1rem, 4vw, 3rem); padding-block: 1.6rem; align-items: center; justify-content: space-between; }
.strip__item { display: flex; align-items: center; gap: .65rem; font-size: var(--fs-sm); color: var(--on-dark-mute); }
.strip__item b { color: #fff; font-weight: 620; }
.strip__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); flex: none; }

/* ---------- 9. Cards ----------------------------------------------------- */
.grid { display: grid; gap: clamp(1rem, 1.8vw, 1.5rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: clamp(1.5rem, 2.4vw, 2.1rem);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.card p:last-child { margin-bottom: 0; }
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.card__num {
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; color: var(--brand-800);
  display: block; margin-bottom: 1.1rem;
}
.card h3 { margin-bottom: .7rem; }
.card p { color: var(--muted); font-size: var(--fs-sm); }
.card__q {
  margin-top: auto; padding-top: 1.1rem; border-top: 1px solid var(--line);
  font-family: var(--font-serif); font-style: italic; font-size: 1.02rem; line-height: 1.5; color: var(--text);
}
.card__list { margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.card__list li {
  font-size: var(--fs-xs); color: var(--muted); background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 999px; padding: .3rem .7rem;
}

.card--ink { background: var(--ink-800); border-color: var(--on-dark-line); color: var(--on-dark); }
.card--ink h3 { color: #fff; }
.card--ink p, .card--ink .card__q { color: var(--on-dark-mute); }
.card--ink .card__q { border-top-color: var(--on-dark-line); color: #fff; }
.card--ink .card__list li { background: rgba(255,255,255,.04); border-color: var(--on-dark-line); color: var(--on-dark-mute); }

.card--brand { background: var(--brand-050); border-color: var(--brand-100); }

.icon-badge {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  background: var(--brand-050); border: 1px solid var(--brand-100); margin-bottom: 1.35rem;
}
.icon-badge svg { width: 21px; height: 21px; stroke: var(--brand-800); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card--ink .icon-badge { background: rgba(70,205,207,.1); border-color: rgba(70,205,207,.24); }
.card--ink .icon-badge svg { stroke: var(--brand); }

/* problem list */
.problem-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.problem-list li {
  display: grid; grid-template-columns: 3rem minmax(0,1fr); gap: 1.5rem; align-items: start;
  padding: 1.75rem 0; border-bottom: 1px solid var(--line);
}
.problem-list .n { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .1em; color: var(--brand-800); padding-top: .35rem; }
.problem-list h3 { margin-bottom: .45rem; }
.problem-list p { color: var(--muted); font-size: var(--fs-sm); margin: 0; max-width: 68ch; }

/* ---------- 10. Split feature -------------------------------------------- */
.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.split--wide-left { grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); }
/* Reversed on desktop, natural reading order on mobile */
.split--rev > *:first-child { order: 2; }
@media (max-width: 900px) { .split--rev > *:first-child { order: 0; } }
/* Left column follows the scroll when the right column is much taller */
.split--sticky { align-items: start; }
@media (min-width: 901px) {
  .split--sticky > *:first-child { position: sticky; top: calc(var(--header-h) + 3rem); }
}
.split__media { position: relative; }

.panel {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: clamp(1.75rem, 3vw, 2.6rem); box-shadow: var(--shadow-sm);
}
.panel--ink { background: var(--ink-800); border-color: var(--on-dark-line); color: var(--on-dark); }
.panel--float { box-shadow: var(--shadow-lg); }

/* checklist */
.checklist { display: grid; gap: .9rem; }
.checklist li { display: grid; grid-template-columns: 22px minmax(0,1fr); gap: .85rem; align-items: start; font-size: var(--fs-sm); color: var(--muted); }
.checklist svg { width: 18px; height: 18px; margin-top: .28rem; stroke: var(--brand-700); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.checklist b { color: var(--text); font-weight: 620; }
.section--ink .checklist li, .panel--ink .checklist li { color: var(--on-dark-mute); }
.section--ink .checklist b, .panel--ink .checklist b { color: #fff; }
.section--ink .checklist svg, .panel--ink .checklist svg { stroke: var(--brand); }

/* vs table */
.vs { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.vs__col { border-radius: var(--r-lg); padding: clamp(1.4rem, 2.2vw, 1.9rem); border: 1px solid var(--line); background: var(--paper); }
.vs__col--neg { background: var(--paper-2); }
.vs__col--pos { border-color: var(--brand-100); background: var(--brand-050); }
.vs__col h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.1rem; font-weight: 700; }
.vs__col--neg h4 { color: var(--muted-2); }
.vs__col--pos h4 { color: var(--brand-800); }
.vs__col li { font-size: var(--fs-sm); padding: .55rem 0; border-bottom: 1px dashed var(--line); color: var(--muted); }
.vs__col--pos li { color: var(--text); border-bottom-color: var(--brand-100); }
.vs__col li:last-child { border-bottom: 0; }

/* ---------- 11. Quote ---------------------------------------------------- */
.quote { text-align: center; max-width: 900px; margin-inline: auto; }
.quote blockquote {
  margin: 0; font-family: var(--font-serif); font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.34; letter-spacing: -0.015em; color: #fff;
}
.quote blockquote em { color: var(--brand); font-style: italic; }
.quote figcaption { margin-top: 1.75rem; font-size: var(--fs-xs); letter-spacing: .13em; text-transform: uppercase; color: var(--on-dark-mute); }

/* ---------- 12. Steps / process ------------------------------------------ */
.steps { counter-reset: step; display: grid; gap: 0; }
.steps__item {
  display: grid; grid-template-columns: 4.5rem minmax(0,1fr); gap: clamp(1rem,2.5vw,2.5rem);
  padding: clamp(1.6rem, 2.6vw, 2.2rem) 0; border-top: 1px solid var(--line); align-items: start;
}
.steps__item:last-child { border-bottom: 1px solid var(--line); }
.steps__n {
  font-family: var(--font-serif); font-size: 2rem; line-height: 1; color: var(--brand-700); font-weight: 400;
}
.steps__body h3 { margin-bottom: .5rem; }
.steps__body p { color: var(--muted); font-size: var(--fs-sm); margin: 0; max-width: 70ch; }
.section--ink .steps__item { border-color: var(--on-dark-line); }
.section--ink .steps__n { color: var(--brand); }

/* ---------- 13. Accordion ------------------------------------------------ */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  background: none; border: 0; padding: 1.5rem 0; text-align: left; cursor: pointer;
  font-size: var(--fs-h3); font-weight: 620; letter-spacing: -0.014em; color: var(--text);
  transition: color .25s var(--ease);
}
.acc__btn:hover { color: var(--brand-800); }
.acc__icon { flex: none; width: 26px; height: 26px; position: relative; }
.acc__icon::before, .acc__icon::after {
  content: ""; position: absolute; background: var(--brand-700); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.acc__icon::before { left: 4px; right: 4px; top: 12.5px; height: 1.6px; }
.acc__icon::after { top: 4px; bottom: 4px; left: 12.5px; width: 1.6px; }
.acc__btn[aria-expanded="true"] .acc__icon::after { transform: rotate(90deg); opacity: 0; }
.acc__panel { overflow: hidden; height: 0; transition: height .4s var(--ease); }
.acc__panel-inner { padding-bottom: 1.75rem; max-width: 74ch; }
.acc__panel-inner p { color: var(--muted); font-size: var(--fs-sm); }
.acc__panel-inner p:last-child { margin-bottom: 0; }

/* ---------- 14. Audience / tags ------------------------------------------ */
.tagrow { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.tag {
  font-size: var(--fs-sm); padding: .5rem 1rem; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted);
}
.section--ink .tag { border-color: var(--on-dark-line); color: var(--on-dark-mute); }

/* ---------- 15. CTA band ------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; background: var(--ink); color: var(--on-dark); isolation: isolate; }
.cta-band::before {
  content: ""; position: absolute; z-index: -1; inset: 0;
  background: radial-gradient(50% 120% at 50% 120%, rgba(70,205,207,.28), transparent 70%);
}
.cta-band__inner { text-align: center; padding-block: clamp(4rem, 8vw, 7rem); }
.cta-band h2 { color: #fff; max-width: 20ch; margin-inline: auto; }
.cta-band .lead { margin: 1.4rem auto 0; color: var(--on-dark-mute); }
.cta-band .btn-row { justify-content: center; }

/* ---------- 16. Footer --------------------------------------------------- */
.footer { background: var(--ink); color: var(--on-dark-mute); padding-block: clamp(3.5rem, 6vw, 5rem) 2rem; border-top: 1px solid var(--on-dark-line); }
.footer__top { display: grid; grid-template-columns: minmax(0,1.5fr) repeat(3, minmax(0,1fr)); gap: clamp(2rem,4vw,3rem); }
.footer__logo img { height: 32px; width: auto; }
.footer__blurb { margin-top: 1.5rem; font-size: var(--fs-sm); max-width: 34ch; color: var(--on-dark-mute); }
.footer h4 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .13em; color: #fff; margin-bottom: 1.1rem; font-weight: 700; }
.footer li { margin-bottom: .6rem; }
.footer a { font-size: var(--fs-sm); transition: color .2s var(--ease); }
.footer a:hover { color: var(--brand); }
.footer__bottom {
  margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.75rem; border-top: 1px solid var(--on-dark-line);
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center;
  font-size: var(--fs-xs);
}
.footer__bottom a { font-size: var(--fs-xs); }

/* ---------- 17. Forms ---------------------------------------------------- */
.form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: .45rem; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--text); }
.field .hint { font-size: var(--fs-xs); color: var(--muted-2); font-weight: 400; }
.field input, .field select, .field textarea {
  font: inherit; font-size: var(--fs-sm); color: var(--text); background: var(--paper);
  border: 1px solid var(--line-strong); border-radius: var(--r-sm); padding: .85rem 1rem; width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-600); box-shadow: 0 0 0 3px rgba(70,205,207,.18);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field--row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.25rem; }

.choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; width: 0; height: 0; }
.choice span {
  display: inline-block; font-size: var(--fs-xs); padding: .55rem 1rem; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted); cursor: pointer;
  transition: all .2s var(--ease);
}
.choice input:checked + span { background: var(--brand-050); border-color: var(--brand-600); color: var(--brand-800); font-weight: 600; }
.choice input:focus-visible + span { outline: 2px solid var(--brand-600); outline-offset: 2px; }

.consent { display: grid; grid-template-columns: 20px minmax(0,1fr); gap: .75rem; align-items: start; font-size: var(--fs-xs); color: var(--muted); }
.consent input { margin-top: .25rem; accent-color: var(--brand-600); width: 16px; height: 16px; }
.consent a { color: var(--brand-800); text-decoration: underline; text-underline-offset: 2px; }

.form__status { font-size: var(--fs-sm); padding: .9rem 1.1rem; border-radius: var(--r-sm); display: none; }
.form__status.is-ok { display: block; background: var(--brand-050); border: 1px solid var(--brand-100); color: var(--brand-800); }
.form__status.is-err { display: block; background: #FEF2F2; border: 1px solid #FECACA; color: #9B1C1C; }

/* honeypot — κρυφό πεδίο anti-spam, δεν το βλέπει ο χρήστης */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.contact-aside { display: grid; gap: 1.5rem; align-content: start; }
.contact-item { display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 1rem; align-items: start; }
.contact-item .icon-badge { width: 40px; height: 40px; margin: 0; border-radius: 11px; }
.contact-item .icon-badge svg { width: 18px; height: 18px; }
.contact-item h4 { font-size: var(--fs-sm); margin: 0 0 .2rem; font-weight: 640; }
.contact-item p, .contact-item a { font-size: var(--fs-sm); color: var(--muted); margin: 0; }
.contact-item a:hover { color: var(--brand-800); }

/* ---------- 18. Article list (POV) --------------------------------------- */
.pov { display: grid; gap: 0; }
.pov__item { padding: clamp(2rem, 3.5vw, 2.75rem) 0; border-top: 1px solid var(--line); }
.pov__item:last-child { border-bottom: 1px solid var(--line); }
.pov__grid { display: grid; grid-template-columns: minmax(0,.42fr) minmax(0,.58fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.pov__meta { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--brand-800); margin-bottom: .9rem; }
.pov__body p { color: var(--muted); font-size: var(--fs-sm); }
.pov__body p:last-child { margin-bottom: 0; }

/* dark-section overrides for shared components */
.section--ink .steps__body p,
.section--ink .problem-list p,
.section--ink .kicker p,
.section--ink .pov__body p,
.section--ink .card__list li { color: var(--on-dark-mute); }
.section--ink .card__num { color: var(--brand); }
.section--ink .kicker h4, .section--ink .steps__body h3 { color: #fff; }

/* ---------- 19. Misc ----------------------------------------------------- */
.note {
  font-size: var(--fs-xs); color: var(--muted-2); border-left: 2px solid var(--brand-100);
  padding-left: 1rem; max-width: 68ch;
}
.section--ink .note { color: var(--on-dark-mute); border-color: rgba(70,205,207,.3); }

.kicker-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.75rem, 3vw, 3rem); }
@media (max-width: 900px) { .kicker-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .kicker-grid { grid-template-columns: minmax(0,1fr); } }
.kicker h4 { font-size: var(--fs-h3); margin-bottom: .5rem; letter-spacing: -.014em; font-weight: 640; }
.kicker p { font-size: var(--fs-sm); color: var(--muted); margin: 0; }
.kicker__bar { width: 34px; height: 2px; background: var(--brand); margin-bottom: 1.1rem; }

/* ---------- 20. Reveal animation ----------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal[data-d="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 21. Responsive ----------------------------------------------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: minmax(0,1fr); gap: 3rem; }
  .orbit { max-width: 400px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer__top { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .header__cta { display: none; }
  .burger { display: block; margin-left: auto; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .split, .split--wide-left { grid-template-columns: minmax(0,1fr); gap: 2.5rem; }
  .pov__grid { grid-template-columns: minmax(0,1fr); gap: 1rem; }
}

@media (max-width: 680px) {
  :root { --header-h: 68px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0,1fr); }
  .vs { grid-template-columns: minmax(0,1fr); }
  .field--row { grid-template-columns: minmax(0,1fr); }
  .footer__top { grid-template-columns: minmax(0,1fr); gap: 2.25rem; }
  .steps__item { grid-template-columns: minmax(0,1fr); gap: .5rem; }
  .problem-list li { grid-template-columns: minmax(0,1fr); gap: .35rem; }
  .problem-list .n { padding-top: 0; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
  .mobile-nav .btn { width: 100%; }
  .strip__inner { flex-direction: column; align-items: flex-start; gap: .85rem; }
  .header__logo img { height: 28px; }
}

/* ---------- 22. Print ---------------------------------------------------- */
@media print {
  .header, .mobile-nav, .cta-band, .btn { display: none !important; }
  body { color: #000; }
  .section--ink, .hero, .footer { background: #fff !important; color: #000 !important; }
}