/* ============================================================================
   Perikentro — Calm Azure (v2).  Tokens mirror DESIGN.md (designmd export).
   ========================================================================== */
:root {
  --color-primary: #0a66c2;
  --color-primary-deep: #0a579e;
  --color-accent: #ffd101;
  --color-accent-deep: #e6b800;
  --color-ink: #2b3a4f;
  --color-slate: #566077;
  --color-paper: #f5f2ec;
  --color-surface: #fbfaf6;
  --color-on-primary: #ffffff;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Mulish", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Consolas", monospace;

  --text-display-mega: 132px;
  --text-display-xl: 92px;
  --text-display: 60px;
  --text-headline: 38px;
  --text-stat: 96px;

  --tracking-label: 0.14em;
  --tracking-mono: 0.04em;

  --sp-xs: 4px; --sp-sm: 8px; --sp-md: 16px; --sp-lg: 24px;
  --sp-xl: 40px; --sp-2xl: 64px; --sp-3xl: 104px;

  --shell: 1280px;
  --rule: 2px solid var(--color-ink);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-body);
  font-size: 17px; line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
::selection { background: var(--color-accent); color: var(--color-ink); }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--color-ink); color: #fff; padding: 12px 18px; }
.skip-link:focus { left: 0; }

.mono { font-family: var(--font-mono); letter-spacing: var(--tracking-mono); text-transform: uppercase; }

/* 12-col grid shell ------------------------------------------------------- */
.grid {
  width: min(100% - 2 * var(--sp-lg), var(--shell));
  margin-inline: auto;
  display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--sp-lg);
}

/* shared display headings ------------------------------------------------- */
.display-title {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(40px, 7vw, var(--text-display-xl)); line-height: 0.92; letter-spacing: -0.01em;
  color: var(--color-ink);
}
.display-title--onblue { color: var(--color-on-primary); }
.feature-title { font-family: var(--font-body); font-weight: 800; font-size: 22px; letter-spacing: -0.01em; line-height: 1.2; }
.feature-title--onblue { color: var(--color-on-primary); }
.lead { font-size: clamp(18px, 2.2vw, 20px); line-height: 1.55; color: var(--color-slate); }
.eyebrow { font-family: var(--font-mono); font-size: 13px; color: var(--color-primary); letter-spacing: var(--tracking-mono); text-transform: uppercase; }
.eyebrow--onblue { color: var(--color-accent); }

/* buttons (sharp) --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 800; font-size: 13px;
  letter-spacing: var(--tracking-label); text-transform: uppercase;
  padding: 16px 26px; border: var(--rule); background: var(--color-ink); color: #fff;
  cursor: pointer; transition: transform .25s var(--ease);
}
.btn--yellow { background: var(--color-accent); color: var(--color-ink); border-color: var(--color-ink); }
/* hover must NOT move the element (a moving hover target un-hovers itself at
   the cursor edge and flickers) — colour + shadow only */
.btn--yellow:hover { background: var(--color-accent-deep); box-shadow: 4px 4px 0 var(--color-ink); }
.btn--ghost { background: transparent; color: var(--color-on-primary); border-color: var(--color-on-primary); }
.btn--ghost:hover { background: var(--color-on-primary); color: var(--color-primary); }

/* ============================================================================
   DUOTONE  (blue shadows / yellow or paper highlights)
   ========================================================================== */
.duo { position: relative; overflow: hidden; isolation: isolate; background: #000; }
.duo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(1.04);
}
.duo::before, .duo::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.duo::before { background: var(--color-primary); mix-blend-mode: lighten; }   /* darks -> blue */
.duo--bi::after  { background: var(--color-accent); mix-blend-mode: multiply; } /* lights -> yellow */
.duo--blue::after { background: var(--color-paper); mix-blend-mode: multiply; } /* lights -> paper */

/* ============================================================================
   HEADER
   ========================================================================== */
.bar { position: sticky; top: 0; z-index: 100; background: var(--color-paper); border-bottom: var(--rule); }
.bar-inner {
  width: min(100% - 2 * var(--sp-lg), var(--shell)); margin-inline: auto;
  display: flex; align-items: center; gap: var(--sp-lg); height: 72px;
}
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo-img { height: clamp(34px, 4.2vw, 44px); width: auto; display: block; }
.logo-mark { width: 26px; height: 26px; background: var(--color-primary); display: grid; place-items: center; }
.logo-mark i { width: 10px; height: 10px; background: var(--color-accent); display: block; }
.logo-word { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: 0.04em; }
.logo-est { font-family: var(--font-mono); font-size: 9px; line-height: 1.05; letter-spacing: .04em; color: var(--color-slate); border-left: 1px solid var(--color-ink); padding-left: 8px; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { font-family: var(--font-body); font-weight: 800; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; padding: 6px 0; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.nav a:hover::after { transform: scaleX(1); }
.bar-call { padding: 10px 16px; font-size: 12px; }
.bar-call .mono { font-size: 11px; opacity: .7; margin-right: 2px; }
.burger { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; padding: 11px; border: none; background: none; cursor: pointer; margin-left: auto; }
.burger span { height: 2px; background: var(--color-ink); transition: transform .25s var(--ease), opacity .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================================
   HERO
   ========================================================================== */
.hero { background: var(--color-primary); color: var(--color-on-primary); position: relative; overflow: hidden; padding: clamp(48px, 7vw, 96px) 0; }
.hero-ghost {
  position: absolute; right: -3vw; bottom: -8vw; font-family: var(--font-display); font-weight: 700;
  font-size: 46vw; line-height: .7; color: var(--color-primary-deep); opacity: .55; pointer-events: none; user-select: none; z-index: 0;
}
.hero-grid { position: relative; z-index: 1; align-items: center; row-gap: var(--sp-2xl); }
.hero-copy { grid-column: 1 / 8; }
.hero-kicker { font-size: 12px; color: var(--color-accent); margin-bottom: var(--sp-lg); }
.hero-title { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; line-height: 0.9; letter-spacing: -0.015em; font-size: clamp(54px, 11vw, var(--text-display-mega)); }
.hero-title .ln { display: block; }
.hero-title .hl { color: var(--color-accent); }
.hero-lead { max-width: 30em; margin-top: var(--sp-xl); font-size: clamp(17px, 2vw, 20px); line-height: 1.55; color: rgba(255,255,255,.85); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: var(--sp-xl); }
.hero-shot { grid-column: 9 / 13; aspect-ratio: 3 / 4; border: var(--rule); border-color: var(--color-on-primary); align-self: stretch; }
/* 3-photo hero collage: one wide on top, two below */
.hero-collage {
  grid-column: 8 / 13; position: relative; align-self: stretch; aspect-ratio: 3 / 4;
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1.35fr 1fr; gap: 10px; min-height: 0;
}
.hero-collage figure { margin: 0; border: var(--rule); border-color: var(--color-on-primary); overflow: hidden; min-height: 0; }
.hero-collage figure:first-child { grid-column: 1 / -1; }
.hero-collage img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-shot .sticker, .hero-collage .sticker {
  position: absolute; z-index: 3; left: -22px; bottom: 28px; background: var(--color-accent); color: var(--color-ink);
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 18px; line-height: .95;
  padding: 12px 14px; transform: rotate(-7deg); border: var(--rule); text-align: center;
}

/* ============================================================================
   MARQUEE
   ========================================================================== */
.marquee { background: var(--color-accent); color: var(--color-ink); border-block: var(--rule); overflow: hidden; }
.marquee-track { display: inline-flex; align-items: center; gap: 28px; white-space: nowrap; padding: 12px 0 12px 28px; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: clamp(22px, 3vw, 34px); letter-spacing: .01em; }
.marquee b { color: var(--color-primary); font-size: 18px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================================
   STATS
   ========================================================================== */
.stats { background: var(--color-ink); color: var(--color-on-primary); padding: clamp(48px, 6vw, 80px) 0; }
.stats-grid { row-gap: var(--sp-2xl); }
.stat { grid-column: span 3; border-top: 3px solid var(--color-accent); padding-top: var(--sp-md); }
.stat-idx { font-size: 12px; color: var(--color-accent); display: block; }
.stat-figure { font-family: var(--font-display); font-weight: 700; font-size: clamp(56px, 7vw, var(--text-stat)); line-height: .9; color: var(--color-accent); display: block; margin: 8px 0; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.stat-figure.stat-word { font-size: clamp(34px, 4vw, 56px); color: var(--color-on-primary); }
.stat-cap { font-size: 14px; color: rgba(255,255,255,.7); font-weight: 600; }

/* ============================================================================
   SECTION SCAFFOLD
   ========================================================================== */
.sec { padding: clamp(64px, 9vw, var(--sp-3xl)) 0; }
.sec--paper { background: var(--color-paper); }
.sec--blue { background: var(--color-primary); color: var(--color-on-primary); }
.sec--ink { background: var(--color-ink); color: var(--color-on-primary); }
.sec--yellow { background: var(--color-accent); color: var(--color-ink); }
.sec-head { margin-bottom: var(--sp-2xl); row-gap: var(--sp-md); }
.sec-head .eyebrow { grid-column: 1 / -1; }
.sec-head .display-title { grid-column: 1 / 9; }
.sec-head .sec-lead { grid-column: 1 / 8; }

/* services ---------------------------------------------------------------- */
.serv-grid { row-gap: var(--sp-2xl); }
.serv { grid-column: span 4; border-top: var(--rule); padding-top: var(--sp-md); position: relative; }
.serv .duo { aspect-ratio: 4 / 3; margin-bottom: var(--sp-md); }
.serv-num { position: absolute; top: -12px; right: 0; font-family: var(--font-display); font-weight: 700; font-size: 26px; color: var(--color-primary); }
.serv .feature-title { margin-bottom: 10px; }
.serv p { color: var(--color-slate); font-size: 16px; }

/* framework (blue) -------------------------------------------------------- */
.frame-grid { row-gap: var(--sp-xl); }
.frame { grid-column: span 4; border-top: 3px solid var(--color-accent); padding-top: var(--sp-md); }
.frame-num { font-family: var(--font-display); font-weight: 700; font-size: 30px; color: var(--color-accent); display: block; margin-bottom: 8px; }
.frame p { color: rgba(255,255,255,.82); margin-top: 8px; }

/* honour ------------------------------------------------------------------ */
.honour-top { align-items: stretch; row-gap: var(--sp-lg); margin-bottom: var(--sp-2xl); }
.honour-shot { grid-column: 1 / 6; aspect-ratio: 4 / 3; border: var(--rule); }
.honour-hero { grid-column: 6 / 13; background: var(--color-primary); color: #fff; padding: var(--sp-xl); display: flex; flex-direction: column; justify-content: center; }
.honour-hero .mono { color: var(--color-accent); font-size: 12px; }
.honour-hero-score .num { font-family: var(--font-display); font-weight: 700; font-size: clamp(72px, 12vw, 150px); line-height: .85; color: var(--color-accent); letter-spacing: -.02em; display: block; margin: 6px 0; font-variant-numeric: tabular-nums; }
.honour-hero-name { font-family: var(--font-display); font-weight: 600; text-transform: uppercase; font-size: clamp(22px, 3vw, 34px); line-height: 1; }
.honour-hero-name em { color: var(--color-accent); font-style: normal; }
.honour-hero-school { color: rgba(255,255,255,.8); margin-top: 6px; font-weight: 600; }

/* block (not the 12-col grid) so each row stacks vertically at full width;
   keeps the centred shell width from .grid */
.honour-list { display: block; border-top: var(--rule); }
.honour-row { display: grid; grid-template-columns: 56px 1.4fr 1.6fr auto; align-items: center; gap: var(--sp-lg); padding: var(--sp-lg) 4px; border-bottom: 1px solid rgba(43,58,79,.2); position: relative; }
/* rows without a σχολή column (e.g. fresh results before σχολές are announced) */
.honour-row--plain { grid-template-columns: 56px 1fr auto; }
.honour-row:hover { background: var(--color-accent); }
.hr-rank { font-size: 13px; color: var(--color-slate); }
.hr-name { font-family: var(--font-display); font-weight: 600; text-transform: uppercase; font-size: clamp(18px, 2.4vw, 26px); }
.hr-school { color: var(--color-slate); font-size: 15px; font-weight: 600; }
.hr-score { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 3vw, 38px); color: var(--color-primary); justify-self: end; font-variant-numeric: tabular-nums; }
.honour-foot { display: block; margin-top: var(--sp-xl); font-weight: 700; font-size: 18px; }
.honour-foot a { color: var(--color-primary); border-bottom: 3px solid var(--color-accent); }

/* testimonials (ink) ------------------------------------------------------ */
.quote-grid { row-gap: var(--sp-xl); }
.quote { grid-column: span 6; border-top: 3px solid var(--color-accent); padding-top: var(--sp-lg); }
.monogram { display: inline-grid; place-items: center; width: 64px; height: 64px; background: var(--color-accent); color: var(--color-ink); font-family: var(--font-display); font-weight: 700; font-size: 28px; margin-bottom: var(--sp-md); }
.quote blockquote { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; font-size: clamp(22px, 2.6vw, 32px); line-height: 1.15; letter-spacing: .005em; color: var(--color-on-primary); }
.quote figcaption { margin-top: var(--sp-lg); display: flex; flex-direction: column; gap: 4px; }
.quote figcaption b { font-family: var(--font-body); font-weight: 800; font-size: 17px; }
.quote figcaption .mono { font-size: 11px; color: var(--color-accent); }

/* why us (yellow) --------------------------------------------------------- */
.why-grid { row-gap: var(--sp-xl); }
.why-head { grid-column: 1 / 6; }
.why-head .display-title { margin-top: var(--sp-md); }
.why-list { grid-column: 7 / 13; align-self: center; }
.why-list li { display: flex; align-items: baseline; gap: var(--sp-lg); font-family: var(--font-display); font-weight: 600; text-transform: uppercase; font-size: clamp(20px, 2.6vw, 30px); padding: var(--sp-md) 0; border-bottom: var(--rule); }
.why-list li .mono { font-size: 14px; color: var(--color-primary); }

/* contact ----------------------------------------------------------------- */
.con-grid { row-gap: var(--sp-xl); align-items: start; }
.hours-wrap { grid-column: 1 / 7; }
.hours-h { font-size: 12px; color: var(--color-primary); margin-bottom: var(--sp-md); }
.hours li { display: flex; justify-content: space-between; align-items: baseline; padding: 13px 0; border-bottom: 1px solid rgba(43,58,79,.18); }
.hours li span { font-family: var(--font-display); font-weight: 500; text-transform: uppercase; font-size: 19px; }
.hours li b { font-family: var(--font-mono); font-size: 14px; color: var(--color-slate); }
.hours li.off b { color: var(--color-primary); font-weight: 600; }
.con-card { grid-column: 8 / 13; background: var(--color-primary); color: #fff; padding: var(--sp-xl); border: var(--rule); }
.con-list li { padding: var(--sp-md) 0; border-bottom: 1px solid rgba(255,255,255,.2); display: flex; flex-direction: column; gap: 4px; }
.con-list .mono { font-size: 11px; color: var(--color-accent); }
.con-list a { font-size: 19px; font-weight: 700; }
.con-list a:hover { color: var(--color-accent); }
.con-cta { width: 100%; justify-content: center; margin-top: var(--sp-xl); }
.con-note { margin-top: var(--sp-md); font-size: 13px; color: rgba(255,255,255,.7); }

/* footer ------------------------------------------------------------------ */
.foot { background: var(--color-ink); color: var(--color-on-primary); padding: clamp(56px, 7vw, 88px) 0 28px; }
.foot-grid { row-gap: var(--sp-2xl); }
/* Explicit column placement (nth-of-type counted per element type, which made
   the 2nd <nav> and the 2nd <div> collide — that was the broken footer). */
.foot-grid > *:nth-child(1) { grid-column: 1 / 5; }   /* brand */
.foot-grid > *:nth-child(2) { grid-column: 5 / 8; }   /* Πληροφορίες */
.foot-grid > *:nth-child(3) { grid-column: 8 / 10; }  /* Χρήσιμα */
.foot-grid > *:nth-child(4) { grid-column: 10 / 13; } /* Επικοινωνία */
.logo-word--lg { font-size: 30px; }
.foot-motto { font-family: var(--font-display); font-weight: 400; font-size: 20px; color: var(--color-accent); margin: 10px 0; }
.foot-brand .mono { font-size: 11px; color: rgba(255,255,255,.55); }
.foot-h { font-size: 11px; color: var(--color-accent); margin-bottom: var(--sp-md); }
.foot-col a, .foot-col p { display: block; color: rgba(255,255,255,.78); padding: 5px 0; font-size: 14px; }
.foot-col a:hover { color: var(--color-accent); }
.foot-base { border-top: 1px solid rgba(255,255,255,.18); margin-top: var(--sp-2xl); padding-top: var(--sp-lg); }
.foot-base .mono { font-size: 11px; color: rgba(255,255,255,.5); }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* reveal / marquee / count-up are handled by the removable motion layer
   (motion.css + motion.js). Content is fully visible by default and never
   depends on JS or an IntersectionObserver firing. */

/* ============================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  .nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 0; background: var(--color-paper); border-bottom: var(--rule); padding: 8px var(--sp-lg) var(--sp-lg); transform: translateY(-130%); transition: transform .35s var(--ease); margin: 0; }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 16px 0; border-bottom: 1px solid rgba(43,58,79,.12); font-size: 15px; }
  .burger { display: flex; }
  .bar-call { display: none; }
  .hero-copy { grid-column: 1 / -1; }
  .hero-shot { grid-column: 1 / 9; aspect-ratio: 16 / 10; }
  .hero-collage { grid-column: 1 / -1; aspect-ratio: auto; }
  .hero-collage figure:first-child { aspect-ratio: 16 / 9; }
  .hero-collage figure:not(:first-child) { aspect-ratio: 4 / 3; }
  .sec-head .display-title, .sec-head .sec-lead { grid-column: 1 / -1; }
  .serv, .frame { grid-column: span 6; }
  .honour-shot { grid-column: 1 / -1; aspect-ratio: 16/9; }
  .honour-hero { grid-column: 1 / -1; }
  .quote { grid-column: 1 / -1; }
  .why-head, .why-list { grid-column: 1 / -1; }
  .hours-wrap { grid-column: 1 / -1; }
  .con-card { grid-column: 1 / -1; }
  .foot-grid > *:nth-child(1) { grid-column: 1 / -1; }
  .foot-grid > *:nth-child(n+2) { grid-column: span 4; }
}
@media (max-width: 600px) {
  .stat { grid-column: span 6; }
  .serv, .frame { grid-column: 1 / -1; }
  .honour-row { grid-template-columns: 40px 1fr auto; }
  .hr-school { grid-column: 2 / -1; grid-row: 2; }
  .foot-grid > * { grid-column: 1 / -1; }
  .btn { width: 100%; justify-content: center; }
  .hero-cta { flex-direction: column; }
  .foot-base { flex-direction: column; }
}