/* ===== Easytether Modern Redesign ===== */
:root {
  --primary: #53AE94;
  --primary-dark: #3d9b80;
  --primary-light: #6bc4aa;
  --accent: #FEC10D;
  --dark: #0a0f1a;
  --dark-card: #111827;
  --dark-surface: #1a2235;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-heading: #f8fafc;
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }

p { margin-bottom: 1rem; }

ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.5rem; }

img { max-width: 100%; height: auto; }

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--sm { padding: 48px 0; }

/* ===== Navigation ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__logo span { color: var(--primary); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav__links a:hover { color: var(--text-heading); background: rgba(255,255,255,0.05); }

.nav__links .btn { color: #fff; }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}
.nav__toggle svg { width: 24px; height: 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(83, 174, 148, 0.3);
}
.btn--primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(83, 174, 148, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn--outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-heading);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(83, 174, 148, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(83, 174, 148, 0.1);
  border: 1px solid rgba(83, 174, 148, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero h1 { margin-bottom: 20px; max-width: 800px; margin-left: auto; margin-right: auto; }

.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Cards ===== */
.card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.card:hover {
  border-color: rgba(83, 174, 148, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(83, 174, 148, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.card__title { font-size: 1.15rem; margin-bottom: 10px; }
.card__text { color: var(--text-muted); font-size: 0.95rem; }

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

/* ===== Page header ===== */
.page-header {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(83, 174, 148, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-header h1 { margin-bottom: 16px; }
.page-header p { color: var(--text-muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ===== FAQ Accordion ===== */
.faq-item {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-heading);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
}
.faq-item summary:hover { background: rgba(255,255,255,0.02); }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 300;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { content: '\2212'; }

.faq-item__body {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== Team ===== */
.team-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.team-card:hover {
  border-color: rgba(254, 193, 13, 0.25);
  box-shadow: var(--shadow);
}

.team-card__avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.team-card__name { font-size: 1.15rem; margin-bottom: 4px; }
.team-card__role { color: var(--accent); font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; }
.team-card__bio { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ===== Press ===== */
.press-item {
  display: flex;
  gap: 24px;
  padding: 24px;
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  align-items: flex-start;
}
.press-item:hover {
  border-color: rgba(83, 174, 148, 0.2);
  box-shadow: var(--shadow);
}

.press-item + .press-item { margin-top: 16px; }

.press-item__source {
  flex-shrink: 0;
  width: 120px;
  text-align: center;
}
.press-item__source-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.press-item__content { flex: 1; }
.press-item__date { color: var(--accent); font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; }
.press-item__title { font-size: 1.05rem; line-height: 1.5; }
.press-item__title a { color: var(--text-heading); }
.press-item__title a:hover { color: var(--primary); }

/* ===== Contact form ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--dark-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(83, 174, 148, 0.1);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* ===== Legal content ===== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}
.legal-content h2 { margin: 40px 0 16px; font-size: 1.5rem; }
.legal-content h4 { margin: 32px 0 12px; color: var(--primary); }
.legal-content h5 { margin: 24px 0 10px; }
.legal-content p { color: var(--text-muted); }
.legal-content ul { color: var(--text-muted); }
.legal-content strong { color: var(--text-heading); }

/* ===== Features section ===== */
.features { padding: 80px 0; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
  padding: 48px 0;
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
}
.stat__label {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ===== CTA ===== */
.cta {
  text-align: center;
  padding: 80px 0;
}

.cta__box {
  background: linear-gradient(135deg, rgba(83, 174, 148, 0.1) 0%, rgba(254, 193, 13, 0.05) 100%);
  border: 1px solid rgba(83, 174, 148, 0.15);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
}

.cta__box h2 { margin-bottom: 16px; }
.cta__box p { color: var(--text-muted); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ===== Footer ===== */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer__logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 12px;
}
.footer__logo span { color: var(--primary); }

.footer__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer__title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer__links li { margin-bottom: 10px; }
.footer__links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--text-heading); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__social {
  display: flex;
  gap: 16px;
}
.footer__social a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__social a:hover { color: var(--primary); }

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 15, 26, 0.98);
    backdrop-filter: blur(20px);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }
  .nav__toggle { display: block; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; gap: 24px; }

  .hero { padding: 80px 0 60px; }
  .section { padding: 48px 0; }

  .press-item { flex-direction: column; }
  .press-item__source { width: auto; text-align: left; }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 300px; }
  .cta__box { padding: 40px 24px; }
}