/* ECOM ONE — Premium E-Commerce Growth Agency
   Palette: dark navy, white, electric blue accents */

:root {
  --navy-950: #06090f;
  --navy-900: #0a0f1c;
  --navy-800: #101729;
  --navy-700: #16203a;
  --navy-600: #1f2c4d;
  --blue-500: #2f6bff;
  --blue-400: #4c8bff;
  --blue-300: #7aa9ff;
  --blue-glow: rgba(47, 107, 255, 0.35);
  --white: #ffffff;
  --off-white: #eef2fb;
  --muted: #a3adc6;
  --muted-dark: #7783a3;
  --border: rgba(255, 255, 255, 0.09);
  --success: #2fbf71;
  --danger: #ff5c6c;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 60px rgba(4, 8, 20, 0.45);
  --shadow-card: 0 10px 30px rgba(4, 8, 20, 0.35);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: 'Sora', 'Inter', sans-serif;
  --max-width: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-950);
  color: var(--off-white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

p { color: var(--muted); margin: 0 0 16px; }

a { color: var(--blue-400); text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; padding: 96px 0; }

.section-header { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-header p { font-size: 1.05rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-300);
  background: rgba(47, 107, 255, 0.12);
  border: 1px solid rgba(47, 107, 255, 0.3);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 15px 28px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  min-height: 48px;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  color: var(--white);
  box-shadow: 0 12px 30px var(--blue-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px var(--blue-glow); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible {
  outline: 3px solid var(--blue-300);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6, 9, 15, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-300));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; color: var(--white); font-weight: 800;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--off-white);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue-300); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.lang-link {
  font-size: 0.9rem;
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  color: var(--off-white);
}
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer;
}
.hamburger span {
  width: 24px; height: 2px; background: var(--white); border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  padding: 120px 0 100px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: -10%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--blue-glow), transparent 70%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); }
.hero-lead { font-size: 1.15rem; color: var(--off-white); max-width: 540px; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.trust-line {
  margin-top: 28px;
  font-size: 0.9rem;
  color: var(--muted-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}
.trust-line::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(47, 191, 113, 0.2);
}

/* Hero visual — dashboard mock */
.hero-visual {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-700));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.mock-topbar { display: flex; gap: 8px; margin-bottom: 20px; }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--navy-600); }
.mock-stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 18px; }
.mock-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.mock-stat .label { font-size: 0.75rem; color: var(--muted-dark); text-transform: uppercase; letter-spacing: 0.05em; }
.mock-stat .value { font-family: var(--font-display); font-size: 1.4rem; color: var(--white); font-weight: 700; margin-top: 6px; }
.mock-chart {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  height: 160px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.mock-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--blue-400), var(--blue-500));
  border-radius: 6px 6px 0 0;
  animation: growUp 1.1s ease-out both;
}
@keyframes growUp { from { transform: scaleY(0); transform-origin: bottom; } to { transform: scaleY(1); } }
.mock-flags { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.mock-flag {
  font-size: 0.72rem;
  padding: 6px 12px;
  border-radius: 100px;
  background: rgba(47, 107, 255, 0.14);
  color: var(--blue-300);
  border: 1px solid rgba(47, 107, 255, 0.3);
}

/* Cards grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(47, 107, 255, 0.35); }
.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(47, 107, 255, 0.12);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--blue-300);
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { margin: 0; font-size: 0.95rem; }

.client-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--off-white);
  font-size: 0.98rem;
}
.client-card .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--blue-400); flex-shrink: 0; }

/* Services CTA */
.center-cta { text-align: center; margin-top: 48px; }

/* Profit section */
.profit-section { background: linear-gradient(180deg, var(--navy-900), var(--navy-950)); }
.profit-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 40px; }
.profit-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}
.profit-item .num {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--blue-400);
  font-size: 1.1rem;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  position: relative;
}
.step .step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: rgba(47, 107, 255, 0.35);
  margin-bottom: 12px;
}
.step h3 { font-size: 1.1rem; }

/* Mission */
.mission {
  background: radial-gradient(circle at 30% 20%, rgba(47,107,255,0.18), transparent 55%), linear-gradient(160deg, var(--navy-900), var(--navy-950));
  border-radius: var(--radius-lg);
  margin: 0 24px;
  padding: 80px 48px;
  text-align: center;
  overflow: hidden;
  position: relative;
}
.mission-visual {
  font-size: 3.5rem;
  margin-bottom: 20px;
}
.mission h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); max-width: 720px; margin: 0 auto 16px; }
.mission p { max-width: 640px; margin: 0 auto 32px; }

/* Why choose */
.benefit-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit {
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.benefit .card-icon { margin-bottom: 16px; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.address-box {
  background: rgba(47, 107, 255, 0.08);
  border: 1px solid rgba(47, 107, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: var(--font-display);
  color: var(--white);
  font-weight: 600;
  line-height: 1.5;
}

/* Careers promo */
.careers-promo {
  background: linear-gradient(135deg, rgba(47,107,255,0.15), rgba(16,23,41,0.4));
  border: 1px solid rgba(47,107,255,0.3);
  border-radius: var(--radius-lg);
  margin: 0 24px;
  padding: 60px 48px;
  text-align: center;
}
.greek-label {
  font-size: 0.85rem;
  color: var(--blue-300);
  margin-top: 16px;
  display: block;
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.form-card {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--off-white);
  margin-bottom: 8px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
input, textarea, select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.96rem;
  transition: border-color 0.2s;
}
input::placeholder, textarea::placeholder { color: var(--muted-dark); }
input:focus, textarea:focus, select:focus { border-color: var(--blue-400); }
textarea { resize: vertical; min-height: 120px; }
select { cursor: pointer; }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-group input[type="checkbox"] { width: auto; margin-top: 4px; flex-shrink: 0; }
.checkbox-group label { font-weight: 400; font-size: 0.9rem; color: var(--muted); margin-bottom: 0; }
.error-text { color: var(--danger); font-size: 0.82rem; margin-top: 6px; display: none; }
.field-error input, .field-error select, .field-error textarea { border-color: var(--danger); }
.field-error .error-text { display: block; }
.hidden-field { position: absolute; left: -9999px; }
.form-success {
  display: none;
  background: rgba(47, 191, 113, 0.12);
  border: 1px solid rgba(47, 191, 113, 0.35);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  color: var(--success);
  font-weight: 600;
  margin-top: 20px;
}
.form-success.visible { display: block; }
form.submitted-hide { display: none; }

/* Footer */
.site-footer {
  background: var(--navy-950);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-col h4 { font-size: 0.9rem; color: var(--muted-dark); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer-col a { display: block; color: var(--off-white); margin-bottom: 12px; font-size: 0.95rem; }
.footer-col a:hover { color: var(--blue-300); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 0.85rem;
  color: var(--muted-dark);
  text-align: center;
}

/* Scroll animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Greek page specifics */
.info-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.info-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}
.info-card .icon { font-size: 1.6rem; margin-bottom: 10px; }
.info-card .text { font-family: var(--font-display); font-weight: 700; color: var(--white); font-size: 0.95rem; }

.pay-highlight {
  text-align: center;
  padding: 40px;
  background: linear-gradient(135deg, rgba(47,107,255,0.15), rgba(16,23,41,0.3));
  border: 1px solid rgba(47,107,255,0.3);
  border-radius: var(--radius-lg);
}
.pay-highlight .amount { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; color: var(--white); }

.radio-group { display: flex; gap: 24px; margin-top: 4px; }
.radio-option { display: flex; align-items: center; gap: 8px; }
.radio-option input { width: auto; }

.hours-highlight {
  text-align: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue-300);
  margin: 24px 0;
}

/* Legal / privacy pages */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { margin-top: 40px; font-size: 1.3rem; }
.legal-content ul { color: var(--muted); padding-left: 20px; }
.legal-content li { margin-bottom: 8px; }
.legal-note {
  background: rgba(255, 92, 108, 0.08);
  border: 1px solid rgba(255, 92, 108, 0.3);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: #ffb3ba;
  font-size: 0.9rem;
  margin-bottom: 32px;
}

/* 404 */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
}
.error-code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue-400), var(--blue-300));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.error-actions { display: flex; gap: 16px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--blue-500);
  color: var(--white);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 2000;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; right: 0;
  width: 100%;
  max-width: 340px;
  height: 100vh;
  background: var(--navy-900);
  border-left: 1px solid var(--border);
  z-index: 999;
  padding: 100px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 24px; }
.mobile-nav a { font-size: 1.1rem; color: var(--white); font-weight: 500; }
.mobile-nav .btn { margin-top: 20px; }
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}
.nav-overlay.open { display: block; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-3, .grid-4, .steps, .benefit-list { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .profit-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .info-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta .btn, .lang-link.desktop-only { display: none; }
  .hamburger { display: flex; }
  section { padding: 64px 0; }
  .grid-3, .grid-4, .steps, .benefit-list, .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .mission, .careers-promo { margin: 0 16px; padding: 48px 24px; }
  .info-cards { grid-template-columns: repeat(2, 1fr); }
  .radio-group { flex-direction: column; gap: 10px; }
  .footer-links { gap: 24px; }
  .mobile-nav { display: block; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero { padding: 100px 0 60px; }
  .info-cards { grid-template-columns: 1fr 1fr; }
}