/* ===================== DESIGN TOKENS ===================== */
:root {
  /* Brand palette pulled from the logo */
  --green:      #5BA82E;
  --green-d:    #4a8a24;
  --sky:        #1FA4DA;
  --sky-d:      #1487b8;
  --blue:       #2E6DB4;
  --gold:       #F6C615;
  --gold-d:     #e3b400;
  --orange:     #F08C3A;

  --ink:        #28323a;
  --ink-soft:   #4a5763;
  --muted:      #6d7a85;

  --cream:      #fdfbf4;
  --paper:      #ffffff;
  --tint:       #eef7fc;   /* soft sky tint */
  --tint-green: #f1f8ec;

  --line:       #e7ecf0;

  --shadow-sm:  0 2px 10px rgba(46, 109, 180, .07);
  --shadow:     0 14px 40px rgba(46, 109, 180, .12);
  --shadow-lg:  0 26px 60px rgba(46, 109, 180, .16);

  --r-sm: 14px;
  --r:    22px;
  --r-lg: 32px;

  --maxw: 1120px;
  --pad:  clamp(20px, 5vw, 40px);

  --font: 'Nunito', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ===================== RESET / BASE ===================== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

h1, h2, h3, h4 { line-height: 1.18; margin: 0; font-weight: 800; color: var(--ink); }
p { margin: 0 0 1rem; }
img { max-width: 100%; display: block; }
a { color: var(--sky-d); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.container.narrow { max-width: 760px; }

/* Accessible focus */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===================== BUTTONS ===================== */
.btn {
  --b: var(--sky);
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--sky), var(--blue));
  color: #fff;
  box-shadow: 0 10px 24px rgba(31, 164, 218, .35);
}
.btn-primary:hover { box-shadow: 0 16px 30px rgba(31, 164, 218, .42); }

.btn-secondary {
  background: var(--gold);
  color: #4a3b00;
  box-shadow: 0 10px 24px rgba(246, 198, 21, .35);
}
.btn-ghost {
  background: #fff;
  color: var(--blue);
  border-color: #d8e7f5;
  box-shadow: var(--shadow-sm);
}
.btn-block { width: 100%; margin-top: .5rem; }

/* ===================== HEADER / NAV ===================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
/* Header gets a wider container than page content so the nav has breathing room */
.site-header .container { max-width: 1280px; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand-logo { width: 44px; height: 44px; object-fit: contain; }
.brand-name {
  font-weight: 900; letter-spacing: .04em; font-size: 1.15rem;
  color: var(--blue); white-space: nowrap;
}
.nav { display: flex; align-items: center; }
.nav-menu {
  list-style: none; display: flex; align-items: center; gap: .15rem;
  margin: 0; padding: 0;
}
.nav-menu a {
  text-decoration: none; color: var(--ink-soft); font-weight: 700;
  padding: .5rem .62rem; border-radius: 10px; font-size: .95rem;
  white-space: nowrap; transition: background .15s, color .15s;
}
.nav-menu a:hover { background: var(--tint); color: var(--blue); }
.nav-cta {
  margin-left: .35rem;
  background: var(--green); color: #fff !important;
  box-shadow: 0 6px 16px rgba(91,168,46,.32);
}
.nav-cta:hover { background: var(--green-d) !important; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px; border: none; background: var(--tint);
  border-radius: 12px; cursor: pointer; padding: 0;
  flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.nav-toggle span { width: 22px; height: 2.5px; background: var(--blue); border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero { position: relative; overflow: hidden; padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 7vw, 5rem); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 85% -5%, rgba(31,164,218,.16), transparent 60%),
    radial-gradient(700px 500px at -5% 20%, rgba(91,168,46,.14), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--cream) 100%);
  z-index: -2;
}
.hero-blob { position: absolute; border-radius: 50%; filter: blur(8px); opacity: .5; z-index: -1; }
.hero-blob-1 { width: 240px; height: 240px; right: -60px; top: 40px;
  background: radial-gradient(circle at 30% 30%, var(--gold), transparent 70%); }
.hero-blob-2 { width: 200px; height: 200px; left: -40px; bottom: -40px;
  background: radial-gradient(circle at 60% 40%, var(--sky), transparent 70%); }

.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.eyebrow {
  display: inline-block; font-weight: 800; color: var(--green-d);
  background: var(--tint-green); padding: .35rem .9rem; border-radius: 999px;
  font-size: .95rem; margin-bottom: 1rem; letter-spacing: .01em;
}
.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.5rem); font-weight: 900; letter-spacing: -.01em;
  margin-bottom: 1rem;
}
.hero h1 .hl {
  background: linear-gradient(120deg, var(--sky), var(--green));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--ink-soft); max-width: 38ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0 1.4rem; }
.hero-badges {
  list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0;
}
.hero-badges li {
  font-size: .85rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  color: var(--blue); background: #fff; border: 1px solid #dcebf7;
  padding: .35rem .8rem; border-radius: 999px; box-shadow: var(--shadow-sm);
}

.hero-art { display: flex; justify-content: center; }
.hero-logo-wrap {
  position: relative; width: min(420px, 90%); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, #fff, #f0f8fd 70%);
  display: grid; place-items: center; padding: 7%;
  box-shadow: var(--shadow-lg);
  animation: floaty 6s ease-in-out infinite;
}
.hero-logo-wrap::after {
  content: ""; position: absolute; inset: -10px; border-radius: 50%;
  border: 2px dashed rgba(31,164,218,.35);
}
.hero-logo-wrap img { width: 100%; object-fit: contain; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ===================== STRIP ===================== */
.strip {
  background: linear-gradient(135deg, var(--blue), var(--sky));
  color: #fff;
}
.strip-text {
  margin: 0; padding: 1.6rem 0; text-align: center;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem); font-weight: 700;
}
.strip-text strong { color: var(--gold); }

/* ===================== SECTION SCAFFOLD ===================== */
.section { padding: clamp(3.2rem, 7vw, 5.5rem) 0; }
.section-tint { background: var(--tint); }
.section-head { max-width: 720px; margin: 0 auto clamp(2rem, 4vw, 3rem); text-align: center; }
.kicker {
  display: inline-block; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  font-size: .8rem; color: var(--sky-d); margin-bottom: .6rem;
}
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.section-sub { color: var(--ink-soft); font-size: 1.1rem; margin-top: .8rem; }
.section-head-light .kicker { color: rgba(255,255,255,.85); }
.section-head-light h2, .section-head-light .section-sub { color: #fff; }

/* ===================== ΠΟΙΟΙ ΕΙΜΑΣΤΕ ===================== */
.who-grid {
  display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}
.founders-panel {
  background: linear-gradient(160deg, var(--sky), var(--blue));
  border-radius: var(--r-lg); padding: 1.4rem;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.founders-panel::before {
  content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%;
  background: rgba(255,255,255,.12); top: -50px; right: -40px;
}
.founders-panel img {
  position: relative; width: 100%; border-radius: var(--r);
  background: #fff; filter: drop-shadow(0 6px 10px rgba(0,0,0,.08));
}

.who-bios { display: grid; gap: 1.1rem; }
.bio-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.4rem 1.5rem; box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.bio-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.bio-avatar {
  flex: none; width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 900; font-size: 1.5rem; color: #fff;
}
.bio-card:nth-child(1) .bio-avatar { background: linear-gradient(135deg, var(--green), var(--green-d)); }
.bio-card:nth-child(2) .bio-avatar { background: linear-gradient(135deg, var(--gold), var(--orange)); color:#4a3b00; }
.bio-card h3 { font-size: 1.3rem; margin-bottom: .25rem; color: var(--blue); }
.bio-card p { margin: 0; color: var(--ink-soft); font-size: 1rem; }
.team-note {
  margin: .2rem 0 0; color: var(--muted); font-style: italic; font-size: .98rem;
  padding-left: .2rem;
}

.values { margin-top: clamp(2.4rem, 5vw, 3.5rem); text-align: center; }
.values-title { font-size: 1.35rem; color: var(--ink); margin-bottom: 1.4rem; }
.values-grid {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem;
}
.values-grid li {
  display: inline-flex; align-items: center; gap: .6rem;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: .7rem 1.2rem; font-weight: 700; color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.value-ico { font-size: 1.25rem; }

/* ===================== CARDS (3-up) ===================== */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.6rem 1.7rem; box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { font-size: 1.25rem; margin-bottom: .9rem; color: var(--blue); }
.card-foot { margin: 1rem 0 0; font-size: .95rem; color: var(--muted); font-style: italic; }

.tick { list-style: none; padding: 0; margin: 0; display: grid; gap: .65rem; }
.tick li { position: relative; padding-left: 1.7rem; color: var(--ink-soft); }
.tick li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--green); font-weight: 900;
}
.tick strong { color: var(--ink); }

/* Ages */
.ages { margin-top: 2.2rem; text-align: center; }
.ages-label { display: block; font-weight: 800; color: var(--ink); margin-bottom: 1rem; }
.age-pills { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; }
.pill {
  background: linear-gradient(135deg, var(--green), var(--sky));
  color: #fff; font-weight: 800; padding: .7rem 1.5rem; border-radius: 999px;
  box-shadow: 0 8px 20px rgba(46,109,180,.22);
}
.pill small { font-weight: 600; opacity: .9; }

/* ===================== ΔΡΑΣΤΗΡΙΟΤΗΤΕΣ ===================== */
.activities {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem;
}
.activities li {
  display: flex; align-items: center; gap: .9rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 1.1rem 1.3rem; font-weight: 700; color: var(--ink);
  box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .18s;
}
.activities li:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.act-ico {
  font-size: 1.4rem; width: 46px; height: 46px; flex: none;
  display: grid; place-items: center; border-radius: 12px; background: var(--tint-green);
}

/* ===================== ΣΤΟΧΟΙ ===================== */
.section-goals {
  background:
    radial-gradient(700px 400px at 90% 0%, rgba(255,255,255,.14), transparent 60%),
    linear-gradient(135deg, var(--green), var(--sky) 95%);
}
.goals-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
.goals-grid li {
  position: relative;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px);
  border-radius: var(--r); padding: 1.5rem 1.5rem 1.4rem;
  color: #fff; font-weight: 800; font-size: 1.12rem;
}
.goal-num {
  display: block; font-size: 1.6rem; font-weight: 900; color: var(--gold);
  margin-bottom: .4rem;
}

/* ===================== ΠΑΚΕΤΑ ===================== */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.price-col {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 1.8rem 1.8rem 2rem; box-shadow: var(--shadow-sm);
}
.price-col-accent {
  background: linear-gradient(170deg, #fff, var(--tint-green));
  border-color: #d6ebc6;
}
.price-col-title {
  font-size: 1.2rem; color: var(--blue); margin-bottom: 1.2rem;
  padding-bottom: .9rem; border-bottom: 2px dashed var(--line);
}
.price-col-accent .price-col-title { color: var(--green-d); }
.price-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .2rem; }
.price-list li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: .75rem 0; border-bottom: 1px solid var(--line);
}
.price-list li:last-child { border-bottom: none; }
.price-list span { color: var(--ink-soft); }
.price-list b {
  font-size: 1.35rem; font-weight: 900; color: var(--ink);
  white-space: nowrap;
}
.price-col-accent .price-list b { color: var(--green-d); }

.pricing-note {
  margin: 1.6rem 0 0; text-align: center; background: #fff;
  border: 1px dashed var(--sky); border-radius: var(--r);
  padding: 1.1rem 1.4rem; color: var(--ink-soft); font-weight: 600;
}

/* Policy accordion */
.policy {
  margin-top: 1.4rem; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: var(--shadow-sm); overflow: hidden;
}
.policy summary {
  list-style: none; cursor: pointer; padding: 1.2rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 800; color: var(--blue); font-size: 1.1rem;
}
.policy summary::-webkit-details-marker { display: none; }
.policy-chevron { transition: transform .25s; font-size: 1.4rem; }
.policy[open] .policy-chevron { transform: rotate(180deg); }
.policy-body { padding: 0 1.5rem 1.5rem; color: var(--ink-soft); }
.policy-body h4 {
  color: var(--ink); margin: 1.3rem 0 .5rem; font-size: 1.05rem;
}
.policy-body h4:first-child { margin-top: .3rem; }
.policy-body p { font-size: .98rem; margin-bottom: .8rem; }

/* ===================== FORM ===================== */
.form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: clamp(1.5rem, 4vw, 2.4rem); box-shadow: var(--shadow);
  display: grid; gap: 1.1rem;
}
.field { display: grid; gap: .4rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field label { font-weight: 800; color: var(--ink); font-size: .98rem; }
.req { color: var(--orange); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 1rem; color: var(--ink);
  padding: .8rem 1rem; border: 2px solid var(--line); border-radius: 12px;
  background: var(--cream); transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--sky); background: #fff; outline: none;
  box-shadow: 0 0 0 4px rgba(31,164,218,.14);
}
.field textarea { resize: vertical; }
.form-help { text-align: center; color: var(--muted); font-size: .95rem; margin: .4rem 0 0; }

/* Honeypot — visually hidden, kept in layout flow for bots */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Submit feedback */
.form-status {
  text-align: center; margin: 0; padding: .85rem 1rem; border-radius: 12px;
  font-weight: 700; font-size: .98rem;
}
.form-status.pending { background: var(--tint); color: var(--blue); }
.form-status.ok { background: var(--tint-green); color: var(--green-d); border: 1px solid #cfe9bd; }
.form-status.err { background: #fdeceb; color: #b3261e; border: 1px solid #f5c6c2; }
#submit-btn:disabled { opacity: .7; cursor: default; transform: none; }

/* ===================== ΕΠΙΚΟΙΝΩΝΙΑ ===================== */
.section-contact {
  background:
    radial-gradient(600px 400px at 10% 0%, rgba(246,198,21,.16), transparent 55%),
    linear-gradient(135deg, var(--blue), #244e86);
}
.contact-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.2rem;
}
.contact-card {
  display: grid; gap: .25rem; text-decoration: none;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--r); padding: 1.5rem; color: #fff;
  transition: transform .2s, background .2s;
}
.contact-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.2); }
.contact-ico { font-size: 1.8rem; }
.contact-label { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gold); font-weight: 800; }
.contact-val { font-weight: 800; font-size: 1.05rem; word-break: break-word; }
.contact-meta {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: center;
  margin-top: 2rem; color: #fff; font-weight: 800; font-size: 1.1rem;
}

/* ===================== FOOTER ===================== */
.site-footer { background: #1d2730; color: #cdd6dd; padding: 2.4rem 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: .8rem; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: .8rem; }
.footer-brand img { width: 48px; height: 48px; background: #fff; border-radius: 12px; padding: 4px; }
.footer-brand strong { display: block; color: #fff; font-size: 1.1rem; letter-spacing: .04em; }
.footer-brand span { font-size: .92rem; color: #9fb0bd; }
.footer-tagline { color: var(--gold); font-weight: 800; letter-spacing: .06em; margin: .2rem 0; }
.footer-copy { color: #8395a3; font-size: .9rem; margin: 0; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-text { order: 2; }
  .hero-art { order: 1; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-badges { justify-content: center; }
  .who-grid { grid-template-columns: 1fr; }
  .founders-panel { max-width: 420px; margin: 0 auto; }
  .cards-3 { grid-template-columns: 1fr; }
  .goals-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1180px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: .2rem;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: .8rem var(--pad) 1.2rem;
    box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-menu a { padding: .8rem 1rem; }
  .nav-cta { text-align: center; margin-top: .4rem; }
}

@media (max-width: 560px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .goals-grid { grid-template-columns: 1fr; }
  .brand-name { font-size: 1rem; }
}