/* Tekno IPTV — Modern static site styles */

:root {
  --bg: #070b14;
  --bg-alt: #0c1222;
  --surface: #111827;
  --surface-2: #1a2338;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #06b6d4;
  --accent-2: #8b5cf6;
  --accent-glow: rgba(6, 182, 212, 0.25);
  --success: #22c55e;
  --border: rgba(148, 163, 184, 0.15);
  --radius: 14px;
  --radius-sm: 8px;
  --header-h: 80px;
  --container: min(1120px, 92vw);
  --transition: 0.25s ease;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: #67e8f9;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #000;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  text-align: center;
}

.btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(139, 92, 246, 0.35);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: rgba(6, 182, 212, 0.1);
  color: #67e8f9;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.logo img {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 10px;
  object-fit: contain;
  background: #000;
}

.logo:hover {
  color: var(--text);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.main-nav .btn-outline {
  flex-shrink: 0;
  white-space: nowrap;
}

.main-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(6, 182, 212, 0.12), transparent),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(139, 92, 246, 0.1), transparent),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.main-nav a[aria-current="page"] {
  color: var(--text);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 54ch;
}

.hero-checklist {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.hero-checklist li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
}

.hero-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.hero-price {
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.price-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.price-old {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.price-current {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price-period {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.price-badge {
  display: inline-block;
  width: fit-content;
  padding: 0.2rem 0.6rem;
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: min(100%, 420px);
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
  background: #000;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header-left {
  text-align: left;
  margin-left: 0;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.5rem;
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card,
.device-card,
.support-card,
.package-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform var(--transition), border-color var(--transition);
}

.feature-card:hover,
.device-card:hover,
.support-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.35);
}

.icon-wrap {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.feature-card h3,
.device-card h3,
.support-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.feature-card p,
.device-card p,
.support-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Why grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.why-item {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.why-num {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.why-item h3 {
  margin: 0 0 0.5rem;
}

.why-item p {
  margin: 0;
  color: var(--text-muted);
}

/* Devices */
.device-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.device-card {
  text-align: center;
}

.device-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}

/* Packages */
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.package-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.package-card header {
  margin-bottom: 1.25rem;
}

.package-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

.package-price {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.package-card ul {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  flex: 1;
}

.package-card li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.5rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.package-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
}

.package-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(6, 182, 212, 0.2), var(--shadow);
  transform: scale(1.03);
}

.package-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.85rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 999px;
}

/* Test section */
.test-section {
  background:
    radial-gradient(circle at 100% 50%, rgba(139, 92, 246, 0.08), transparent 50%),
    var(--bg);
}

.test-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.test-content h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.test-content p {
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

.test-steps {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
  color: var(--text-muted);
}

.test-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.test-form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.test-form-card h3 {
  margin: 0 0 0.5rem;
}

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

.contact-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Steps */
.steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.steps-list li {
  counter-increment: step;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  padding-left: 4rem;
}

.steps-list li::before {
  content: counter(step);
  position: absolute;
  left: 1.25rem;
  top: 1.5rem;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
  border-radius: 50%;
  font-size: 0.9rem;
}

.steps-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.steps-list p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.1rem;
  color: var(--text-muted);
}

/* Support */
.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.support-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.link-arrow {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-list li {
  color: var(--text-muted);
}

.legal-notice {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-2);
  border-radius: var(--radius);
}

.legal-notice h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.legal-notice p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  padding: 3rem 0 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.section-eyebrow,
.faq-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.site-footer h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

.footer-brand p {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 32ch;
}

.site-footer h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.site-footer a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer a:hover {
  color: var(--text);
}

.footer-bottom {
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Mobile sticky */
.mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 0.65rem;
  gap: 0.5rem;
  background: rgba(7, 11, 20, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
}

.sticky-btn {
  flex: 1;
  padding: 0.85rem;
  text-align: center;
  font-weight: 700;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.sticky-test {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.sticky-tg {
  background: #229ed9;
  color: #fff;
}

.sticky-tg:hover {
  color: #fff;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .test-inner,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .card-grid-3,
  .package-grid,
  .support-grid,
  .support-grid-3 {
    grid-template-columns: 1fr;
  }

  .why-grid,
  .steps-list {
    grid-template-columns: 1fr;
  }

  .device-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .package-featured {
    transform: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 520px;
    margin-inline: auto;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .main-nav ul {
    gap: 0.25rem 0.75rem;
  }

  .main-nav a {
    font-size: 0.82rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(7, 11, 20, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 1rem 4vw 1.25rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav li {
    border-bottom: 1px solid var(--border);
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0;
  }

  .main-nav .btn-outline {
    margin-top: 0.75rem;
    width: 100%;
  }

  .mobile-sticky {
    display: flex;
  }

  body {
    padding-bottom: 70px;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}