/* SML Net — lightweight static site */
:root {
  --ink: #07101d;
  --ink-soft: #344154;
  --night: #040914;
  --night-2: #071528;
  --blue: #086bff;
  --cyan: #23c9ff;
  --pale: #edf5ff;
  --white: #ffffff;
  --line: #d7e1ee;
  --green: #16a85d;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 18px 48px rgba(4, 24, 55, .12);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 96px 0; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  z-index: 10;
  inset: 0 0 auto;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.header-inner { height: 94px; display: flex; align-items: center; justify-content: space-between; }
.brand img { width: 150px; height: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: #dcecff; text-decoration: none; font-size: .94rem; font-weight: 650; }
.nav a:hover, .nav a:focus-visible { color: var(--white); }
.nav-contact { padding: 10px 17px; border: 1px solid rgba(87, 182, 255, .65); border-radius: 999px; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 790px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 76% 22%, rgba(13, 111, 255, .24), transparent 26%),
    linear-gradient(122deg, var(--night) 0%, #061426 58%, #061c38 100%);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 600px;
  height: 600px;
  right: -260px;
  top: 110px;
  border: 1px solid rgba(35, 201, 255, .17);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(8, 107, 255, .03), 0 0 0 140px rgba(8, 107, 255, .025);
}
.hero-lines {
  position: absolute;
  z-index: -1;
  inset: 15% -10% auto 49%;
  height: 340px;
  opacity: .35;
  transform: skewY(-10deg);
  background: repeating-linear-gradient(176deg, transparent 0 19px, rgba(35,201,255,.32) 20px, transparent 21px 34px);
  mask-image: linear-gradient(90deg, transparent, black 22%, black 70%, transparent);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(330px, .72fr);
  gap: clamp(54px, 8vw, 112px);
  align-items: center;
  padding-top: 175px;
  padding-bottom: 90px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
  line-height: 1.35;
  text-transform: uppercase;
}
.hero .eyebrow { color: #69caff; }
.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.1rem, 6.6vw, 6.25rem);
  line-height: .96;
  letter-spacing: -.055em;
}
.hero h1 span { color: var(--cyan); }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: #c6d8ea; font-size: 1.14rem; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 35px; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 10px 30px rgba(8, 107, 255, .25); }
.button-primary:hover, .button-primary:focus-visible { background: #0058dd; transform: translateY(-1px); }
.text-link { color: var(--white); font-weight: 700; text-decoration: none; }
.text-link span { margin-left: 5px; color: var(--cyan); }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 44px 0 0; padding: 0; list-style: none; color: #dcecff; font-size: .9rem; }
.hero-points li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }

.hero-panel {
  position: relative;
  padding: 34px;
  border: 1px solid rgba(86, 185, 255, .35);
  border-radius: 4px 36px 4px 36px;
  background: rgba(3, 13, 28, .82);
  box-shadow: 0 28px 80px rgba(0,0,0,.38);
}
.panel-label { display: inline-block; margin: 0 0 18px; padding: 5px 10px; color: var(--night); background: var(--cyan); font-size: .71rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.panel-name { margin: 0; color: #a8d9ff; font-weight: 760; }
.panel-speed { display: flex; align-items: baseline; gap: 8px; margin-top: -8px; line-height: 1; }
.panel-speed strong { font-size: clamp(4.6rem, 8vw, 7rem); letter-spacing: -.08em; }
.panel-speed span { color: var(--cyan); font-size: .95rem; font-weight: 800; }
.panel-price { margin: 17px 0 23px; padding-bottom: 21px; border-bottom: 1px solid rgba(255,255,255,.16); font-size: 2.2rem; font-weight: 800; line-height: 1; }
.panel-price span { font-size: 1rem; } .panel-price small { font-size: 1.2rem; }
.hero-panel ul { margin: 0; padding: 0; list-style: none; color: #d6e4f1; font-size: .94rem; }
.hero-panel li { position: relative; padding: 7px 0 7px 25px; }
.hero-panel li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 800; }
.hero-panel > a { display: inline-block; margin-top: 25px; color: var(--cyan); font-weight: 800; text-underline-offset: 5px; }

.section-heading { display: grid; grid-template-columns: 1.1fr .75fr; gap: 60px; align-items: end; margin-bottom: 45px; }
.section-heading h2, .advantages h2, .coverage h2, .contact h2 { margin: 0; font-size: clamp(2.25rem, 4.2vw, 4rem); line-height: 1.03; letter-spacing: -.045em; }
.section-heading > p { margin: 0; color: var(--ink-soft); }
.plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: stretch; border: 1px solid var(--line); }
.plan { position: relative; display: flex; min-width: 0; flex-direction: column; padding: 32px 25px 27px; border-right: 1px solid var(--line); background: var(--white); }
.plan:last-child { border-right: 0; }
.plan header { min-height: 74px; }
.plan-name { margin: 0; font-size: 1.15rem; font-weight: 820; }
.plan-for { margin: 3px 0 0; color: #657084; font-size: .78rem; }
.speed { margin: 25px 0 0; color: #0b3f9f; line-height: 1; }
.speed strong { font-size: clamp(3rem, 4.6vw, 4.6rem); letter-spacing: -.075em; }
.speed span { font-size: .8rem; font-weight: 850; }
.price { margin: 18px 0 26px; font-size: 2rem; font-weight: 840; line-height: 1; }
.price span { font-size: .88rem; } .price small { font-size: 1rem; }
.plan ul { flex: 1; margin: 0; padding: 0; list-style: none; font-size: .88rem; }
.plan li { position: relative; padding: 8px 0 8px 21px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 850; }
.plan a { display: block; margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: #0649b8; font-size: .9rem; font-weight: 800; text-decoration: none; }
.plan a::after { content: " →"; }
.plan a:hover, .plan a:focus-visible { color: var(--blue); }
.plan-dark { color: var(--white); background: var(--night-2); }
.plan-dark .plan-for { color: #adc3d9; }
.plan-dark .speed, .plan-dark a { color: var(--cyan); }
.plan-dark a { border-color: rgba(255,255,255,.18); }
.plan-featured { z-index: 1; outline: 3px solid var(--blue); outline-offset: -2px; }
.popular { position: absolute; top: -25px; left: -2px; margin: 0; padding: 5px 12px; color: var(--white); background: var(--blue); font-size: .68rem; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.payment-note { margin: 22px 0 0; text-align: right; color: #506078; font-size: .86rem; }

.advantages { color: var(--white); background: var(--night); }
.advantages-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px, 10vw, 130px); }
.advantages-intro > p:last-child { max-width: 470px; color: #afc4d8; }
.advantages-list article { display: grid; grid-template-columns: 50px 1fr; gap: 24px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.advantages-list article:first-child { padding-top: 0; }
.advantages-list .number { color: var(--cyan); font-size: .77rem; font-weight: 850; }
.advantages-list h3 { margin: -5px 0 3px; font-size: 1.35rem; }
.advantages-list p { margin: 0; color: #adc1d5; font-size: .94rem; }

.coverage { background: var(--pale); }
.coverage-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(60px, 10vw, 130px); align-items: center; }
.coverage-copy { max-width: 480px; margin: 24px 0 30px; color: var(--ink-soft); }
.city-list { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; padding: 12px 0; border-top: 1px solid #afc7e1; border-bottom: 1px solid #afc7e1; list-style: none; }
.city-list li { position: relative; padding: 13px 15px 13px 26px; font-weight: 660; }
.city-list li::before { content: ""; position: absolute; top: 24px; left: 5px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }

.contact { color: var(--white); background: var(--blue); }
.contact .eyebrow { color: #bfe6ff; }
.contact-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 80px; align-items: center; }
.contact-links { border-top: 1px solid rgba(255,255,255,.35); }
.contact-links a { display: flex; justify-content: space-between; gap: 20px; padding: 23px 2px; border-bottom: 1px solid rgba(255,255,255,.35); color: var(--white); text-decoration: none; }
.contact-links span { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-links strong { font-size: 1.15rem; }
.contact-links a:hover strong, .contact-links a:focus-visible strong { text-decoration: underline; text-underline-offset: 5px; }

.site-footer { padding: 38px 0; color: #9fb4c8; background: #02060d; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-inner img { width: 125px; height: auto; }
.footer-inner p { margin: 0; font-size: .84rem; text-align: right; }

:focus-visible { outline: 3px solid #ffcb3d; outline-offset: 4px; }
@media (prefers-reduced-motion: no-preference) {
  .button, .nav a { transition: color .18s ease, background .18s ease, transform .18s ease; }
}

@media (max-width: 980px) {
  .nav { gap: 18px; }
  .nav a:not(.nav-contact) { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 155px; }
  .hero-copy { max-width: 760px; }
  .hero-panel { max-width: 520px; }
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .plan { border-bottom: 1px solid var(--line); }
  .plan:nth-child(2) { border-right: 0; }
  .advantages-grid, .coverage-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 70px 0; }
  .header-inner { height: 82px; }
  .brand img { width: 120px; }
  .nav-contact { padding: 8px 13px; font-size: .82rem !important; }
  .hero-grid { padding-top: 132px; padding-bottom: 65px; gap: 50px; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.25rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 16px; }
  .text-link { text-align: center; }
  .hero-points { align-items: flex-start; flex-direction: column; gap: 8px; }
  .hero-panel { padding: 27px 23px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .plan-grid { grid-template-columns: 1fr; border: 0; gap: 16px; }
  .plan { border: 1px solid var(--line) !important; }
  .plan-featured { margin-top: 18px; }
  .payment-note { text-align: left; }
  .advantages-grid, .coverage-grid, .contact-inner { gap: 45px; }
  .city-list { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-links a { align-items: flex-start; flex-direction: column; gap: 4px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner p { text-align: left; }
}