/* =========================================================================
   ΟΑΜΗ — Όμιλος Αγωνιστικού Μπριτζ Ηλιούπολης
   Stylesheet — Direction C "Classic": warm cream, deep-green "baize" accent,
   Playfair Display serif headings + Inter body. Minimal, mobile-first.
   ========================================================================= */

/* ----------------------------- Design tokens ----------------------------- */
:root {
  /* Warm, classic palette */
  --color-ink:        #1c2420;  /* near-black green-tinted ink */
  --color-ink-soft:   #414b45;  /* secondary text */
  --color-muted:      #7c847e;  /* tertiary / captions */
  --color-line:       #e0dac9;  /* hairline borders */
  --color-bg:         #f7f4ec;  /* warm cream base */
  --color-bg-alt:     #efeadd;  /* deeper cream section background */
  --color-bg-ink:     #14342a;  /* dark green footer surface */

  /* Single restrained accent: deep "card-table" green */
  --color-accent:     #1f4d3a;
  --color-accent-ink: #16382a;  /* accent on hover / active */

  /* Typography */
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
                "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --leading:    1.7;

  /* Spacing scale */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.5rem;  --space-6: 2rem;   --space-7: 3rem;    --space-8: 5rem;

  --radius:    8px;
  --maxw:      1080px;
  --header-h:  68px;
}

/* ------------------------------- Reset ----------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: var(--leading);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-serif);
  line-height: 1.15;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0;
}

a {
  color: var(--color-accent-ink);
  text-decoration-color: var(--color-line);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: var(--color-accent); }

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

/* ------------------------------ Layout ----------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-line);
}
.section--alt { background: var(--color-bg-alt); }

.section__grid { display: grid; gap: var(--space-6); }
@media (min-width: 760px) {
  .section__grid { grid-template-columns: 280px 1fr; gap: var(--space-7); }
}

.section__title { font-size: clamp(1.7rem, 1.1rem + 2.2vw, 2.4rem); }

.prose p { margin: 0 0 var(--space-4); color: var(--color-ink-soft); }
.prose p:last-child { margin-bottom: 0; }
.prose__subtitle { font-size: 1.35rem; margin: var(--space-6) 0 var(--space-3); }

/* --------------------------- Skip link ----------------------------------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-accent); color: #fff;
  padding: var(--space-3) var(--space-4); z-index: 200;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ------------------------------ Buttons ---------------------------------- */
.btn {
  display: inline-block; font: inherit; font-weight: 600; cursor: pointer;
  padding: var(--space-3) var(--space-5); border-radius: var(--radius);
  border: 1px solid var(--color-accent); text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .05s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-ink); border-color: var(--color-accent-ink); }
.btn--ghost { background: transparent; color: var(--color-accent-ink); }
.btn--ghost:hover { background: var(--color-accent); color: #fff; }

/* ------------------------------ Header ----------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247, 244, 236, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-serif); font-weight: 700; font-size: 1.35rem;
  letter-spacing: 0.02em; text-decoration: none; color: var(--color-ink);
}
.brand__suit { color: var(--color-accent); }
.brand__logo { height: 38px; width: auto; display: block; }
@media (max-width: 380px) { .brand__logo { height: 32px; } }

.nav__list { list-style: none; display: flex; align-items: center; gap: var(--space-4); margin: 0; padding: 0; }
.nav__item { position: relative; }
.nav__link, .nav__sub-toggle {
  font: inherit; font-weight: 500; color: var(--color-ink-soft);
  text-decoration: none; padding-block: var(--space-2);
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 0; cursor: pointer;
}
.nav__link:hover, .nav__sub-toggle:hover { color: var(--color-accent-ink); }
.nav__link[aria-current="page"], .nav__sub-toggle[aria-current="true"] {
  color: var(--color-ink); box-shadow: inset 0 -2px 0 var(--color-accent);
}
.nav__caret { font-size: 0.7em; transition: transform .2s ease; }

/* Submenu — dropdown on desktop, accordion on mobile */
.nav__sub {
  list-style: none; margin: 0; padding: var(--space-2);
  position: absolute; top: 100%; left: 0; min-width: 230px;
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: 10px; box-shadow: 0 12px 32px rgba(20, 52, 42, 0.14);
  display: none; z-index: 120;
}
.nav__item:hover > .nav__sub,
.nav__item:focus-within > .nav__sub,
.nav__sub-toggle[aria-expanded="true"] + .nav__sub { display: block; }
.nav__item:hover .nav__caret,
.nav__sub-toggle[aria-expanded="true"] .nav__caret { transform: rotate(180deg); }
.nav__sub li { margin: 0; }
.nav__sub a {
  display: block; padding: var(--space-2) var(--space-3); border-radius: 6px;
  text-decoration: none; font-weight: 500; color: var(--color-ink-soft); white-space: nowrap;
}
.nav__sub a:hover { background: var(--color-bg-alt); color: var(--color-accent-ink); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; background: transparent;
  border: 1px solid var(--color-line); border-radius: 8px; cursor: pointer;
}
.nav-toggle__bar {
  width: 20px; height: 2px; background: var(--color-ink);
  margin-inline: auto; transition: transform .2s ease, opacity .2s ease;
}

/* Hamburger appears earlier (860px) since the menu now has 6 items + dropdowns */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--color-bg); border-bottom: 1px solid var(--color-line);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .nav.is-open { max-height: 84vh; overflow-y: auto; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-2) var(--space-5) var(--space-4); }
  .nav__item { position: static; }
  .nav__link, .nav__sub-toggle { display: flex; width: 100%; justify-content: space-between; padding-block: var(--space-3); }
  .nav__sub {
    position: static; min-width: 0; display: none; padding: 0 0 var(--space-2) var(--space-4);
    background: transparent; border: 0; border-radius: 0; box-shadow: none;
  }
  .nav__item:hover > .nav__sub, .nav__item:focus-within > .nav__sub { display: none; }
  .nav__sub-toggle[aria-expanded="true"] + .nav__sub { display: block; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ------------------------------- Hero ------------------------------------ */
.hero { padding-block: clamp(var(--space-7), 8vw, var(--space-8)); text-align: center; }
.hero__inner { max-width: 760px; }
.hero--sub { padding-block: clamp(var(--space-6), 6vw, var(--space-7)); }

.hero__eyebrow { letter-spacing: 0.55em; color: var(--color-accent); font-size: 1rem; margin: 0 0 var(--space-4); }
.hero__title { font-size: clamp(2.4rem, 1.4rem + 5vw, 4.4rem); letter-spacing: 0.01em; }
/* «Η» card-mark (the logo's exact artwork, assets/h-card.png) inline in the home hero title */
.hero__city { white-space: nowrap; }
.hero__hk {
  display: inline-block; height: 1.04em; width: auto; vertical-align: -0.16em;
  margin: 0 0.04em;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 0.9rem + 1vw, 1.3rem); font-weight: 500;
  color: var(--color-ink-soft); margin: var(--space-3) 0 0; letter-spacing: 0.02em;
}
.hero__tagline { color: var(--color-ink-soft); margin: var(--space-5) auto var(--space-6); max-width: 56ch; }

/* ------------------------------- Join ------------------------------------ */
.join { max-width: 760px; }
.join__lead { color: var(--color-ink-soft); margin: var(--space-4) 0 var(--space-5); }
.join__points { list-style: none; margin: 0 0 var(--space-6); padding: 0; display: grid; gap: var(--space-4); }
.join__points li { display: flex; align-items: flex-start; gap: var(--space-3); color: var(--color-ink-soft); }
.join__suit { color: var(--color-accent); font-size: 0.95em; line-height: 1.4; flex-shrink: 0; }
.join__point-body { display: grid; gap: 2px; }
.join__point-title { font-weight: 600; color: var(--color-ink); }
.join__point-desc { color: var(--color-ink-soft); }

/* ------------------------------ Contact ---------------------------------- */
.contact { font-style: normal; display: grid; gap: var(--space-3); margin-bottom: var(--space-6); }
.contact__row { display: grid; gap: 2px; margin: 0; }
.contact__label {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-muted);
}

.social { list-style: none; display: flex; gap: var(--space-3); margin: 0; padding: 0; }
.social__link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--color-line); border-radius: 50%;
  color: var(--color-ink-soft); transition: color .18s ease, border-color .18s ease;
}
.social__link:hover { color: var(--color-accent); border-color: var(--color-accent); }
.social__icon { width: 20px; height: 20px; }

/* ---------------------------- Results teaser ----------------------------- */
.results-teaser { max-width: 760px; }
.results-teaser p { color: var(--color-ink-soft); margin: var(--space-4) 0 var(--space-5); }

/* Cards row (used on landing + lessons) */
.cardrow { display: grid; gap: var(--space-4); margin-top: var(--space-6); }
@media (min-width: 760px) { .cardrow { grid-template-columns: repeat(3, 1fr); } }
.tile {
  background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: 12px; padding: var(--space-5);
}
.section--alt .tile { background: #fffdf8; }
.tile__suit { color: var(--color-accent); font-size: 1.4rem; }
.tile h3 { font-size: 1.4rem; margin: var(--space-2) 0 var(--space-2); }
.tile p { color: var(--color-ink-soft); font-size: 0.97rem; margin: 0; }

/* ----------------------- Home hub (links to areas) ----------------------- */
.hub { display: grid; gap: var(--space-4); margin-top: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 560px) { .hub { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 860px) { .hub { grid-template-columns: repeat(3, 1fr); } }
.hub__card {
  display: block; background: var(--color-bg); border: 1px solid var(--color-line);
  border-radius: 12px; padding: var(--space-5); text-decoration: none; color: inherit;
  transition: border-color .18s ease, transform .18s ease;
}
.hub__card:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.hub__suit { color: var(--color-accent); font-size: 1.5rem; }
.hub__card h3 { font-size: 1.3rem; margin: var(--space-2) 0 var(--space-2); }
.hub__card p { color: var(--color-ink-soft); font-size: 0.95rem; margin: 0; }
.hub__more { display: inline-block; margin-top: var(--space-3); color: var(--color-accent-ink); font-weight: 600; font-size: 0.9rem; }

/* --------------------- Programme page (sub-sections) --------------------- */
.subnav { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-5) 0 0; padding: 0; list-style: none; }
.subnav a {
  display: inline-block; padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-line); border-radius: 999px;
  text-decoration: none; color: var(--color-ink-soft); font-weight: 500; font-size: 0.95rem;
}
.subnav a:hover { border-color: var(--color-accent); color: var(--color-accent-ink); }
.prog-section { padding-top: var(--space-7); margin-top: var(--space-7); border-top: 1px solid var(--color-line); }
.prog-section:first-of-type { padding-top: var(--space-6); margin-top: var(--space-6); border-top: 0; }
.prog-section h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem); }
.prog-section p { color: var(--color-ink-soft); }
.placeholder-note {
  background: var(--color-bg-alt); border: 1px dashed var(--color-line); border-radius: 10px;
  padding: var(--space-4) var(--space-5); color: var(--color-muted); font-size: 0.95rem; margin-top: var(--space-4);
}
.prog-next {
  background: var(--color-bg-alt); border: 1px solid var(--color-line); border-left: 4px solid var(--color-accent);
  border-radius: 10px; padding: var(--space-4) var(--space-5); margin-top: var(--space-4);
}
.prog-next .prog-next__label {
  display: block; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: var(--space-1);
}
.prog-next .prog-next__title { color: var(--color-ink); font-weight: 600; }
.prog-events { list-style: none; padding: 0; margin: var(--space-4) 0; display: flex; flex-direction: column; gap: var(--space-2); }
.prog-events li { display: flex; align-items: center; gap: var(--space-3); }
.prog-event__name { color: var(--color-ink); font-weight: 500; }
.prog-event__status { font-size: 0.8rem; letter-spacing: 0.04em; padding: 2px 8px; border-radius: 20px; background: var(--color-bg-alt); color: var(--color-muted); border: 1px solid var(--color-line); }
.prog-event__status--done { background: #e8f0eb; color: #2d6a3f; border-color: #b6d5bc; }

/* ------------------------------ Lessons ---------------------------------- */
.steps { list-style: none; counter-reset: step; margin: var(--space-6) 0 0; padding: 0; display: grid; gap: var(--space-4); }
.steps li {
  position: relative; padding: var(--space-5) var(--space-5) var(--space-5) calc(var(--space-8) + var(--space-2));
  background: var(--color-bg); border: 1px solid var(--color-line); border-radius: 12px;
}
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: var(--space-5); top: var(--space-5);
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-accent); color: #fff;
  font-family: var(--font-serif); font-weight: 600; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}
.steps li h3 { font-size: 1.25rem; margin: 0 0 var(--space-1); }
.steps li p { margin: 0; color: var(--color-ink-soft); }

/* ------------------------------ Footer ----------------------------------- */
.site-footer { background: var(--color-bg-ink); color: #cfe0d6; padding-block: var(--space-7); }
.site-footer__inner { display: grid; gap: var(--space-6); }
.site-footer__cols { display: grid; gap: var(--space-6); }
@media (min-width: 720px) { .site-footer__cols { grid-template-columns: 1.5fr 1fr 1fr; } }
.site-footer__name { margin: 0 0 var(--space-3); color: #fff; font-family: var(--font-serif); font-weight: 600; font-size: 1.15rem; }
.site-footer__name .brand__suit { color: #fff; opacity: 0.75; }
.site-footer__tagline { margin: 0 0 var(--space-4); color: #9fc0b0; font-size: 0.92rem; max-width: 34ch; }
.site-footer h2 { font-family: var(--font-sans); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: #8fb0a1; margin: 0 0 var(--space-3); font-weight: 600; }
.site-footer__contact { font-style: normal; display: grid; gap: var(--space-2); font-size: 0.95rem; }
.site-footer__contact a { color: #cfe0d6; text-decoration: none; }
.site-footer__contact a:hover { color: #fff; }
.site-footer__nav { list-style: none; display: grid; gap: var(--space-2); margin: 0; padding: 0; }
.site-footer__nav a { color: #cfe0d6; text-decoration: none; }
.site-footer__nav a:hover { color: #fff; }
.site-footer .social { margin-top: var(--space-4); }
.site-footer .social__link { border-color: rgba(255, 255, 255, 0.25); color: #cfe0d6; }
.site-footer .social__link:hover { color: #fff; border-color: #fff; }
.site-footer__copy { margin: 0; padding-top: var(--space-4); border-top: 1px solid rgba(255, 255, 255, 0.12); color: #8fb0a1; font-size: 0.88rem; }

/* ============================== Gallery ================================== */
.gallery-intro { max-width: 640px; margin-bottom: var(--space-6); }
.gallery-intro__text { color: var(--color-ink-soft); margin-top: var(--space-3); }

/* Albums */
.album { margin-top: var(--space-8); }
.album:first-of-type { margin-top: var(--space-2); }
.album__head { margin-bottom: var(--space-5); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-line); }
.album__title { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem); margin: 0; }
.album__date { margin: var(--space-1) 0 0; color: var(--color-accent-ink); font-weight: 500; font-size: 0.95rem; }

.gallery-grid { columns: 1; column-gap: var(--space-4); }
@media (min-width: 560px) { .gallery-grid { columns: 2; } }
@media (min-width: 900px) { .gallery-grid { columns: 3; } }

.gallery-item {
  break-inside: avoid; margin-bottom: var(--space-4); padding: 0; border: 0;
  background: var(--color-bg-alt); border-radius: 12px; overflow: hidden;
  cursor: pointer; width: 100%; display: block;
  aspect-ratio: 4 / 3;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s ease;
}
.gallery-item:hover img { transform: scale(1.03); }
.gallery-item:focus-visible { outline-offset: 4px; }

.gallery-status { color: var(--color-muted); text-align: center; padding: var(--space-7) var(--space-4); }
.gallery-empty {
  text-align: center; padding: var(--space-7) var(--space-4);
  border: 1px dashed var(--color-line); border-radius: 12px; color: var(--color-muted);
}
.gallery-empty__suit { font-size: 1.6rem; color: var(--color-accent); display: block; margin-bottom: var(--space-3); }
.gallery-empty--error { border-color: #c9a0a0; color: var(--color-ink-soft); }

/* ============================== Lightbox ================================= */
.lightbox {
  position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center;
  padding: clamp(var(--space-4), 4vw, var(--space-7)); background: rgba(15, 25, 20, 0.94);
}
.lightbox[hidden] { display: none; }
.lightbox__figure {
  margin: 0; max-width: min(92vw, 1100px); max-height: 88vh;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
}
.lightbox__img { max-width: 100%; max-height: 80vh; width: auto; height: auto; border-radius: 6px; box-shadow: 0 10px 40px rgba(0,0,0,.5); }
.lightbox__caption { color: #dfe7e1; font-size: 0.92rem; text-align: center; }

.lightbox__btn {
  position: absolute; background: rgba(255,255,255,0.12); color: #fff;
  border: 1px solid rgba(255,255,255,0.28); border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: background-color .18s ease;
}
.lightbox__btn:hover { background: rgba(255,255,255,0.25); }
.lightbox__close { top: var(--space-4); right: var(--space-4); width: 46px; height: 46px; font-size: 1.8rem; line-height: 1; }
.lightbox__prev, .lightbox__next { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; font-size: 2rem; line-height: 1; }
.lightbox__prev { left: var(--space-4); }
.lightbox__next { right: var(--space-4); }
@media (max-width: 560px) {
  .lightbox__prev { left: var(--space-2); } .lightbox__next { right: var(--space-2); }
  .lightbox__prev, .lightbox__next { width: 44px; height: 44px; }
}

/* ----------------------- Reduced-motion preference ----------------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* Suit colors: hearts/diamonds red, spades/clubs black (real card colors) */
.s-red { color: #d2232a; }
.s-black { color: var(--color-ink); }