/* ============================================================= */
/*  ΥΔΡΑΥΛΙΚΟΣ ΡΟΔΟΥ — STYLESHEET                                 */
/*  Δομή: Μεταβλητές → Reset → Layout → Header → Hero →           */
/*        Ενότητες → Footer → Floating → Responsive               */
/* ============================================================= */

/* ---------- CSS VARIABLES (εύκολη αλλαγή χρωμάτων) ---------- */
:root {
  --brand: #0A5FA6;          /* κύριο μπλε νερού */
  --brand-dark: #083D6B;     /* σκούρο μπλε */
  --brand-light: #3AA0E8;    /* ανοιχτό μπλε */
  --accent: #F5A524;         /* πορτοκαλί για επείγοντα / έμφαση */
  --emergency: #E23B3B;      /* κόκκινο έκτακτης βλάβης */

  --ink: #1B2733;            /* σκούρο γκρι κειμένου */
  --ink-soft: #52606D;       /* απαλό γκρι */
  --line: #E1E8EF;           /* γραμμές / borders */
  --bg: #FFFFFF;             /* λευκό */
  --bg-soft: #F2F7FB;        /* πολύ ανοιχτό μπλε-γκρι */
  --bg-dark: #0E1B29;        /* σκούρο footer */

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 4px 14px rgba(11, 45, 75, .06);
  --shadow-md: 0 12px 30px rgba(11, 45, 75, .10);
  --shadow-lg: 0 22px 50px rgba(11, 45, 75, .16);

  --maxw: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- RESET ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, svg { max-width: 100%; display: block; }

/* ---------- LAYOUT ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

.section { padding: 92px 0; }
.section.services, .section.reviews { background: var(--bg-soft); }

.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
  padding: 6px 14px; background: rgba(10, 95, 166, .08); border-radius: 999px;
}
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.section-head p { margin-top: 16px; color: var(--ink-soft); font-size: 1.05rem; }

.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: inherit; font-weight: 700; font-size: .98rem; cursor: pointer;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-outline:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }

.btn-call { background: var(--accent); color: #3a2600; padding: 10px 18px; font-size: .9rem; }
.btn-call:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.btn-block { width: 100%; }

.btn-emergency {
  background: #fff; color: var(--emergency); font-size: 1.1rem; padding: 18px 34px;
  box-shadow: var(--shadow-lg); border-radius: 999px;
}
.btn-emergency:hover { transform: translateY(-3px) scale(1.02); }

/* ============================================================= */
/*  HEADER / NAVIGATION                                           */
/* ============================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 18px; }

/* Λογότυπο */
.logo { display: flex; align-items: center; gap: 11px; }
.logo-mark {
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px;
  background: linear-gradient(145deg, var(--brand-light), var(--brand)); color: #fff; font-size: 1.15rem;
  box-shadow: 0 6px 16px rgba(10, 95, 166, .35);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.05; }
.logo-text strong { font-size: 1.15rem; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.logo-text em { font-style: normal; font-size: .78rem; font-weight: 600; color: var(--brand); letter-spacing: .04em; }

/* Μενού */
.main-nav { display: flex; gap: 6px; }
.main-nav a {
  padding: 9px 14px; border-radius: 10px; font-weight: 600; font-size: .95rem; color: var(--ink-soft);
  transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--brand); background: var(--bg-soft); }

.nav-actions { display: flex; align-items: center; gap: 14px; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; padding: 9px; }
.hamburger span { height: 3px; width: 100%; background: var(--ink); border-radius: 3px; transition: transform .3s var(--ease), opacity .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================================================= */
/*  HERO                                                         */
/* ============================================================= */
.hero { position: relative; padding: 80px 0 96px; background:
  radial-gradient(1100px 500px at 80% -10%, rgba(58, 160, 232, .16), transparent 60%),
  radial-gradient(800px 400px at 0% 110%, rgba(10, 95, 166, .10), transparent 60%),
  var(--bg); overflow: hidden; }

.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; font-size: .85rem; font-weight: 700;
  color: var(--brand-dark); background: #fff; border: 1px solid var(--line);
  padding: 9px 16px; border-radius: 999px; box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(245, 165, 36, .6); animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(245, 165, 36, .6); } 70% { box-shadow: 0 0 0 12px rgba(245, 165, 36, 0); } 100% { box-shadow: 0 0 0 0 rgba(245, 165, 36, 0); } }

.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; }
.hero-lead { margin-top: 20px; font-size: 1.12rem; color: var(--ink-soft); max-width: 540px; }

.hero-buttons { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .92rem; color: var(--ink); }
.hero-trust i { color: var(--brand); }

/* Οπτικό hero: εικόνα υδραυλικού */
.hero-visual { position: relative; display: grid; place-items: center; padding: 10px 0; }

.hero-figure { position: relative; width: 100%; max-width: 420px; display: grid; place-items: center; }
/* Απαλός μπλε κύκλος πίσω από τον υδραυλικό */
.hero-figure::before {
  content: ""; position: absolute; z-index: 0; width: 86%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, rgba(58,160,232,.30), rgba(10,95,166,.14) 55%, transparent 72%);
  bottom: 6%;
}
.hero-figure img {
  position: relative; z-index: 1; width: 100%; height: auto;
  filter: drop-shadow(0 22px 30px rgba(11, 45, 75, .22));
  animation: heroIn .9s var(--ease) both;
}
@keyframes heroIn { from { opacity: 0; transform: translateY(22px) scale(.96); } to { opacity: 1; transform: none; } }

/* Πλωτές πινακίδες πάνω στην εικόνα */
.hero-chip {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 16px; font-size: .88rem; font-weight: 700; color: var(--ink);
  box-shadow: var(--shadow-md); white-space: nowrap; animation: float 6s ease-in-out infinite;
}
.hero-chip i { color: var(--brand); }
.hero-chip-1 { top: 12%; left: -4%; }
.hero-chip-2 { bottom: 16%; right: -4%; animation-delay: 1.5s; }

/* Φυσαλίδες */
.bubble { position: absolute; border-radius: 50%; background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(58,160,232,.35)); animation: float 6s ease-in-out infinite; }
.bubble-1 { width: 46px; height: 46px; top: 4%; right: 8%; animation-delay: 0s; }
.bubble-2 { width: 26px; height: 26px; bottom: 12%; left: 4%; animation-delay: 1.2s; }
.bubble-3 { width: 18px; height: 18px; top: 42%; right: 2%; animation-delay: 2.4s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

/* ============================================================= */
/*  ΚΑΡΤΕΣ ΥΠΗΡΕΣΙΩΝ                                             */
/* ============================================================= */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }

.service-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(10,95,166,.3); }
.service-icon {
  width: 56px; height: 56px; display: grid; place-items: center; border-radius: 14px;
  background: linear-gradient(145deg, rgba(58,160,232,.15), rgba(10,95,166,.12));
  color: var(--brand); font-size: 1.4rem; margin-bottom: 18px;
  transition: background .3s, color .3s;
}
.service-card:hover .service-icon { background: var(--brand); color: #fff; }
.service-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.service-card p { color: var(--ink-soft); font-size: .96rem; }

/* ============================================================= */
/*  ΓΙΑΤΙ ΕΜΑΣ + COUNTERS                                        */
/* ============================================================= */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 60px; }
.why-item {
  display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.why-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why-item i { color: var(--brand); font-size: 1.25rem; width: 26px; text-align: center; flex-shrink: 0; }
.why-item span { font-weight: 600; font-size: .96rem; }

.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark)); border-radius: var(--radius-lg);
  padding: 44px 30px; box-shadow: var(--shadow-md); }
.counter-box { text-align: center; color: #fff; }
.counter { font-size: clamp(2.2rem, 5vw, 3rem); font-weight: 800; line-height: 1; display: block; letter-spacing: -.02em; }
.counter-box p { margin-top: 8px; font-size: .95rem; color: rgba(255,255,255,.85); font-weight: 500; }

/* ============================================================= */
/*  ΔΙΑΔΙΚΑΣΙΑ (STEPS)                                           */
/* ============================================================= */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px 28px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.step:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.step-num {
  position: absolute; top: -18px; left: 50%; transform: translateX(-50%);
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%;
  background: var(--accent); color: #3a2600; font-weight: 800; box-shadow: var(--shadow-sm);
}
.step > i { font-size: 1.8rem; color: var(--brand); margin: 8px 0 14px; }
.step h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--ink-soft); font-size: .93rem; }

/* ============================================================= */
/*  ΕΠΕΙΓΟΥΣΑ ΒΛΑΒΗ                                              */
/* ============================================================= */
.emergency { padding: 70px 0; background:
  linear-gradient(135deg, var(--emergency), #b71f1f);
  color: #fff; position: relative; overflow: hidden; }
.emergency::after { content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 240px at 90% 20%, rgba(255,255,255,.12), transparent 60%); }
.emergency-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; }
.emergency-tag { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; font-size: .85rem; letter-spacing: .04em; text-transform: uppercase; background: rgba(255,255,255,.18); padding: 7px 15px; border-radius: 999px; margin-bottom: 14px; }
.emergency-text h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 800; line-height: 1.2; }
.emergency-text p { margin-top: 12px; max-width: 560px; color: rgba(255,255,255,.9); font-size: 1.05rem; }

/* ============================================================= */
/*  ΚΡΙΤΙΚΕΣ                                                     */
/* ============================================================= */
.review-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s; }
.review-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.stars { color: var(--accent); font-size: .95rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-card > p { color: var(--ink); font-size: .98rem; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(145deg, var(--brand-light), var(--brand)); color: #fff; font-weight: 800; font-size: 1.1rem; }
.review-author strong { display: block; font-size: .96rem; }
.review-author em { font-style: normal; font-size: .85rem; color: var(--ink-soft); }

/* ============================================================= */
/*  ΠΕΡΙΟΧΕΣ                                                     */
/* ============================================================= */
.areas-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.areas-list li { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; font-weight: 600; font-size: .96rem; box-shadow: var(--shadow-sm); transition: transform .2s var(--ease), border-color .2s; }
.areas-list li:hover { transform: translateY(-3px); border-color: var(--brand); }
.areas-list i { color: var(--brand); }
.areas-note { margin-top: 26px; text-align: center; color: var(--ink-soft); font-size: .98rem; display: flex; align-items: center; justify-content: center; gap: 8px; }
.areas-note i { color: var(--brand); }

/* ============================================================= */
/*  FAQ ACCORDION                                                */
/* ============================================================= */
.faq-wrap { max-width: 820px; }
.accordion { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 22px; background: transparent; border: 0; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: 1.02rem; color: var(--ink); text-align: left;
  transition: color .2s;
}
.faq-question:hover { color: var(--brand); }
.faq-question i { color: var(--brand); transition: transform .3s var(--ease); flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-answer p { padding: 0 22px 20px; color: var(--ink-soft); font-size: .98rem; }

/* ============================================================= */
/*  ΕΠΙΚΟΙΝΩΝΙΑ + ΦΟΡΜΑ                                          */
/* ============================================================= */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: start; }
.contact-info h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; line-height: 1.2; }
.contact-info > p { margin-top: 14px; color: var(--ink-soft); }
.contact-list { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 13px; font-weight: 600; }
.contact-list i { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; background: var(--bg-soft); color: var(--brand); flex-shrink: 0; }
.contact-list a:hover { color: var(--brand); }

.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; font-weight: 700; font-size: .9rem; color: #fff; transition: transform .2s var(--ease), filter .2s; }
.chip:hover { transform: translateY(-2px); filter: brightness(1.08); }
.chip-call { background: var(--brand); }
.chip-wa { background: #25D366; }
.chip-viber { background: #7360F2; }
.chip-mail { background: var(--ink); }
.chip-map { background: var(--accent); color: #3a2600; }

/* Φόρμα */
.contact-form-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 30px; box-shadow: var(--shadow-md); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 700; font-size: .9rem; }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: .98rem; color: var(--ink);
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff;
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(10, 95, 166, .12);
}
.field textarea { resize: vertical; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--emergency); }
.error { color: var(--emergency); font-size: .82rem; font-weight: 600; min-height: 0; display: block; }

.consent { display: flex; align-items: flex-start; gap: 10px; font-size: .9rem; color: var(--ink-soft); cursor: pointer; }
.consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--brand); flex-shrink: 0; }

.form-success {
  display: none; align-items: center; gap: 10px; background: #E7F7EC; color: #1B7A3D;
  border: 1px solid #B7E4C6; padding: 14px 16px; border-radius: 10px; font-weight: 700; font-size: .95rem;
}
.form-success.show { display: flex; animation: fadeUp .4s var(--ease); }
.form-success i { font-size: 1.15rem; }

/* ============================================================= */
/*  FOOTER                                                       */
/* ============================================================= */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.78); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 46px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.footer-col p { font-size: .93rem; line-height: 1.7; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: .93rem; transition: color .2s; }
.footer-col ul a:hover { color: var(--brand-light); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: .93rem; }
.footer-contact i { color: var(--brand-light); width: 18px; }
.logo-footer { margin-bottom: 16px; }
.logo-footer .logo-text strong { color: #fff; }
.footer-areas-title { margin-top: 22px; }
.footer-areas { font-size: .88rem; line-height: 1.8; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .88rem; }
.footer-legal a { transition: color .2s; }
.footer-legal a:hover { color: var(--brand-light); }

/* ============================================================= */
/*  FLOATING BUTTONS & BACK TO TOP                              */
/* ============================================================= */
.floating-buttons { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.fab { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 1.35rem; box-shadow: var(--shadow-lg); transition: transform .25s var(--ease); }
.fab:hover { transform: scale(1.1); }
.fab-call { background: var(--brand); animation: ring 2.4s infinite; }
.fab-wa { background: #25D366; }
.fab-viber { background: #7360F2; }
@keyframes ring { 0%,100% { box-shadow: 0 0 0 0 rgba(10,95,166,.5), var(--shadow-lg); } 50% { box-shadow: 0 0 0 12px rgba(10,95,166,0), var(--shadow-lg); } }

.back-to-top {
  position: fixed; left: 18px; bottom: 18px; z-index: 90; width: 48px; height: 48px; border-radius: 50%;
  background: var(--ink); color: #fff; border: 0; cursor: pointer; font-size: 1rem; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .3s var(--ease);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--brand); }

/* ============================================================= */
/*  ΑΝΙΜΑΤΙΟΝ SCROLL REVEAL                                       */
/* ============================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================================= */
/*  RESPONSIVE                                                   */
/* ============================================================= */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 780px) {
  /* Mobile navigation */
  .main-nav {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0;
    background: #fff; padding: 12px 22px 22px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); transform: translateY(-140%); transition: transform .35s var(--ease);
    max-height: calc(100vh - 76px); overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 14px 12px; border-radius: 10px; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .hamburger { display: flex; }
  .header-call span { display: none; }
  .header-call { padding: 10px 13px; }
}

@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 38px; }
  .hero { padding: 46px 0 70px; }
  .hero-figure { max-width: 280px; }
  .hero-chip { font-size: .78rem; padding: 8px 12px; }
  .hero-chip-1 { left: -10%; }
  .hero-chip-2 { right: -10%; }
  /* Λίγο μικρότερα floating κουμπιά ώστε να μην καλύπτουν το περιεχόμενο */
  .fab { width: 50px; height: 50px; font-size: 1.2rem; }
  .floating-buttons { gap: 10px; right: 14px; bottom: 14px; }
  .back-to-top { width: 42px; height: 42px; left: 14px; bottom: 14px; }
  .hero-buttons .btn { flex: 1; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .emergency-inner { flex-direction: column; align-items: flex-start; }
  .btn-emergency { width: 100%; }
  .counters { padding: 34px 22px; }
}

/* ---------- Προσβασιμότητα: μειωμένη κίνηση ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Ορατό focus για πληκτρολόγιο ---------- */
:focus-visible { outline: 3px solid var(--brand-light); outline-offset: 2px; border-radius: 4px; }