/* Openous – Εκπαιδευτικά Προγράμματα */
.op-program {
	--op-accent: #1f6f6a;
	--op-accent-dark: #17534f;
	--op-soft: #e6f2ef;
	--op-light: #8cc5b3;
	--op-ink: #1d2b2a;
	--op-muted: #5b6766;
	--op-radius: 22px;
	color: var(--op-ink);
	overflow-x: clip;
}
.op-program *, .op-program *::before, .op-program *::after { box-sizing: border-box; }
.op-program img { max-width: 100%; height: auto; display: block; }
html { scroll-behavior: smooth; }

.op-wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }
.op-center { text-align: center; }

/* ---------- Κουμπιά ---------- */
.op-btn {
	display: inline-flex; align-items: center; gap: .5em;
	background: var(--op-accent); color: #fff !important;
	padding: .8em 1.6em; border-radius: 999px;
	font-weight: 700; font-size: 1rem; line-height: 1.2; text-decoration: none !important;
	transition: background .2s, transform .2s;
	border: 2px solid var(--op-accent);
}
.op-btn:hover, .op-btn:focus-visible { background: var(--op-accent-dark); border-color: var(--op-accent-dark); transform: translateY(-1px); }
.op-btn--ghost { background: transparent; color: var(--op-accent-dark) !important; }
.op-btn--ghost:hover { color: #fff !important; }
.op-btn--sm { font-size: .9rem; padding: .65em 1.3em; }
.op-btn--scroll span { display: inline-block; animation: op-bounce 1.8s infinite; }
@keyframes op-bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
@media (prefers-reduced-motion: reduce) { .op-btn--scroll span { animation: none; } html { scroll-behavior: auto; } }

/* ---------- Hero ---------- */
.op-hero { position: relative; background: var(--op-soft); padding: 72px 0 80px; overflow: hidden; }
.op-hero--compact { padding: 56px 0 48px; }
.op-hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.op-hero__title { font-size: clamp(2rem, 4.6vw, 3.4rem); line-height: 1.08; margin: .15em 0 .35em; color: var(--op-accent-dark); font-weight: 800; letter-spacing: -.01em; }
.op-hero__sub { font-size: 1.2rem; line-height: 1.55; max-width: 34em; margin-bottom: 1.6em; }
.op-hero__sub p { margin: 0 0 .6em; }
.op-hero__sub strong { color: var(--op-accent-dark); }
.op-hero__media img { margin-left: auto; max-height: 440px; width: auto; object-fit: contain; }
.op-overline { text-transform: uppercase; letter-spacing: .12em; font-weight: 700; font-size: .85rem; color: var(--op-accent); margin: 0; }
.op-back { display: inline-block; font-size: .9rem; font-weight: 600; color: var(--op-accent-dark); text-decoration: none; margin-bottom: 18px; }
.op-back:hover { text-decoration: underline; }
.op-badge { display: inline-block; margin: 0 0 14px 12px; padding: .3em .9em; border-radius: 999px; font-size: .8rem; font-weight: 700; vertical-align: middle; }
.op-back + .op-badge { margin-left: 12px; }
.op-hero__text > .op-badge:first-child { margin-left: 0; }
.op-badge--energa { background: var(--op-accent); color: #fff; }
.op-badge--oloklirwmena { background: #fff; color: var(--op-muted); border: 1px solid #d5dcdb; }

/* Διακοσμητικά σχήματα (όπως τα χρωματιστά vectors του προτύπου) */
.op-blob { position: absolute; border-radius: 50%; pointer-events: none; z-index: 0; }
.op-blob--a { width: 420px; height: 420px; right: -120px; top: -140px; border: 34px solid var(--op-light); opacity: .45; }
.op-blob--b { width: 160px; height: 160px; left: -50px; bottom: -60px; background: var(--op-light); opacity: .35; }

/* ---------- Γραμμή στοιχείων ---------- */
.op-facts { background: #fff; border-bottom: 1px solid #e8eceb; }
.op-facts__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; padding-top: 22px; padding-bottom: 22px; }
.op-facts__list { display: flex; flex-wrap: wrap; gap: 14px 36px; margin: 0; }
.op-facts__list dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--op-muted); font-weight: 700; }
.op-facts__list dd { margin: 2px 0 0; font-weight: 600; }
.op-facts__actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Ενότητες ---------- */
.op-section { padding: 88px 0; position: relative; scroll-margin-top: 80px; }
#op-about { scroll-margin-top: 80px; }
.op-section--tint { background: var(--op-soft); }
.op-section--accent { background: var(--op-accent); color: #fff; }
.op-h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.15; margin: 0 0 .6em; color: var(--op-accent-dark); font-weight: 800; }
.op-section--accent .op-h2 { color: #fff; }
.op-lead { font-size: 1.15rem; font-weight: 600; margin: -.2em auto 2em; }
.op-prose { font-size: 1.08rem; line-height: 1.7; }
.op-prose p { margin: 0 0 1em; }
.op-prose strong { color: var(--op-accent-dark); }
.op-prose ul { padding-left: 1.2em; }
.op-prose li { margin-bottom: .5em; }

.op-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.op-split--reverse .op-split__media { order: -1; }
.op-split--solo { grid-template-columns: 1fr; max-width: 860px; }
.op-split__media img { border-radius: var(--op-radius); margin: 0 auto; }

/* ---------- Στόχοι ---------- */
.op-goals { list-style: none; margin: 0 auto; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 1000px; }
.op-goals li { display: flex; gap: 16px; align-items: flex-start; background: #fff; border-radius: var(--op-radius); padding: 24px; font-size: 1.05rem; line-height: 1.55; box-shadow: 0 1px 2px rgba(0,0,0,.04); text-align: left; }
.op-goals strong { color: var(--op-accent-dark); }
.op-tick { flex: 0 0 34px; height: 34px; border-radius: 50%; background: var(--op-accent); color: #fff; display: grid; place-items: center; }

/* ---------- Στατιστικά ---------- */
.op-stats { display: grid; gap: 18px; margin-top: 48px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.op-stat { background: var(--op-soft); border-radius: var(--op-radius); padding: 28px 26px; display: flex; flex-direction: column; gap: 8px; }
.op-stat__num { font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; color: var(--op-accent); line-height: 1; }
.op-stat__txt { line-height: 1.5; }
.op-callout { margin-top: 32px; border-left: 6px solid var(--op-accent); background: var(--op-soft); border-radius: 0 var(--op-radius) var(--op-radius) 0; padding: 22px 28px; }
.op-callout p:last-child { margin-bottom: 0; }

/* ---------- Μαρτυρίες ---------- */
.op-testi__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.op-testi__head .op-h2 { margin: 0; }
.op-testi__nav { display: flex; gap: 10px; flex: none; }
.op-arrow { width: 48px; height: 48px; border-radius: 50%; border: 2px solid rgba(255,255,255,.7); background: transparent; color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; padding: 0; }
.op-arrow:hover { background: #fff; color: var(--op-accent-dark); }
.op-testi__track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 40px) / 3); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; scrollbar-width: none; }
.op-testi__track::-webkit-scrollbar { display: none; }
.op-quote { scroll-snap-align: start; margin: 0; background: #fff; color: var(--op-ink); border-radius: var(--op-radius); padding: 30px 28px 26px; display: flex; flex-direction: column; position: relative; }
.op-quote__mark { font-size: 4rem; line-height: .6; color: var(--op-light); font-family: Georgia, serif; height: 28px; }
.op-quote blockquote { margin: 0 0 20px; padding: 0; border: 0; font-size: 1.05rem; line-height: 1.6; font-style: normal; flex: 1; }
.op-quote blockquote strong { color: var(--op-accent-dark); }
.op-quote figcaption { font-weight: 700; color: var(--op-accent); font-size: .95rem; }

/* ---------- Συνεργασία ---------- */
.op-partners { padding-top: 64px; padding-bottom: 64px; border-top: 1px solid #e8eceb; }
.op-partners__text { max-width: 760px; margin: 0 auto; }
.op-logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 28px 48px; margin-top: 28px; }
.op-logos img { max-height: 72px; width: auto; }

/* ---------- Κάρτες / λίστες ---------- */
.op-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.op-tab { display: inline-flex; align-items: center; gap: .6em; padding: .7em 1.4em; border-radius: 999px; background: var(--op-soft); color: var(--op-accent-dark); font-weight: 700; text-decoration: none !important; border: 2px solid transparent; }
.op-tab:hover { border-color: var(--op-accent); }
.op-tab.is-active { background: var(--op-accent); color: #fff; }
.op-tab__count { font-size: .8em; background: rgba(255,255,255,.7); color: var(--op-accent-dark); border-radius: 999px; padding: .1em .6em; }
.op-tab.is-active .op-tab__count { background: rgba(255,255,255,.25); color: #fff; }

.op-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 24px; }
.op-card { background: #fff; border-radius: var(--op-radius); overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 2px 14px rgba(0,0,0,.07); transition: transform .2s, box-shadow .2s; }
.op-card:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,.1); }
.op-card__media { display: block; aspect-ratio: 16 / 10; background: var(--op-soft); }
.op-card__media img { width: 100%; height: 100%; object-fit: cover; }
.op-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.op-card__tag { align-self: flex-start; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--op-accent-dark); background: var(--op-soft); padding: .3em .8em; border-radius: 999px; }
.op-card__title { font-size: 1.3rem; line-height: 1.25; margin: 0; }
.op-card__title a { color: var(--op-ink); text-decoration: none; }
.op-card__title a:hover { color: var(--op-accent); }
.op-card__date { margin: 0; font-size: .9rem; font-weight: 600; color: var(--op-accent); }
.op-card__excerpt { margin: 0; color: var(--op-muted); line-height: 1.55; flex: 1; }
.op-card .op-btn { align-self: flex-start; margin-top: 6px; }
.op-empty { padding: 40px; text-align: center; background: var(--op-soft); border-radius: var(--op-radius); color: var(--op-muted); }
.op-embed { overflow: visible; }

/* ---------- Κινητά ---------- */
@media (max-width: 900px) {
	.op-hero { padding: 48px 0 56px; }
	.op-hero__grid, .op-split { grid-template-columns: 1fr; gap: 32px; }
	.op-hero__media img { margin: 0 auto; max-height: 300px; }
	.op-split--reverse .op-split__media { order: 0; }
	.op-section { padding: 60px 0; }
	.op-goals { grid-template-columns: 1fr; }
	.op-testi__track { grid-auto-columns: 85%; }
	.op-blob--a { width: 260px; height: 260px; border-width: 24px; right: -110px; top: -90px; }
}
@media (max-width: 600px) {
	.op-wrap { padding: 0 16px; }
	.op-facts__inner { flex-direction: column; align-items: flex-start; }
	.op-testi__nav { display: none; }
}