```css
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --yellow: #ffc300;
    --black: #080808;
    --dark: #111111;
    --gray: #8b8b8b;
    --light-gray: #cfcfcf;
    --white: #ffffff;
    --border: #252525;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}


/* =========================
   HEADER
========================= */

.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1.5px;
}

.logo span {
    color: var(--yellow);
}

.nav nav {
    display: flex;
    gap: 38px;
}

.nav nav a {
    color: #aaa;
    font-size: 14px;
    transition: 0.2s;
}

.nav nav a:hover {
    color: var(--yellow);
}


/* =========================
   HERO
========================= */

.hero {
    min-height: 760px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 75% 50%, #202020 0, #0d0d0d 30%, #080808 65%);
}

.hero::after {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    right: -180px;
    bottom: -250px;
    border: 1px solid rgba(255,195,0,0.25);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 80px;
    align-items: center;
    padding-top: 70px;
}

.eyebrow {
    color: var(--yellow);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 22px;
}

.hero h1 {
    font-size: clamp(58px, 8vw, 105px);
    line-height: 0.95;
    letter-spacing: -5px;
    margin-bottom: 35px;
}

.hero h1 span,
h2 span {
    color: var(--yellow);
}

.hero-text p {
    max-width: 560px;
    color: #a9a9a9;
    font-size: 18px;
    margin-bottom: 40px;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 30px;
    background: var(--yellow);
    color: #080808;
    padding: 17px 22px;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.2s;
}

.button span {
    font-size: 22px;
    line-height: 0;
}

.button:hover {
    background: white;
    transform: translateY(-2px);
}


/* HERO CARD */

.hero-card {
    width: 300px;
    height: 370px;
    margin-left: auto;
    border: 1px solid #333;
    background: rgba(20,20,20,0.8);
    padding: 45px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.hero-card::before {
    content: "";
    position: absolute;
    top: -1px;
    left: -1px;
    width: 70px;
    height: 70px;
    border-top: 3px solid var(--yellow);
    border-left: 3px solid var(--yellow);
}

.signal {
    display: flex;
    align-items: flex-end;
    gap: 5px;
    height: 30px;
    margin-bottom: 30px;
}

.signal span {
    width: 7px;
    background: var(--yellow);
}

.signal span:nth-child(1) {
    height: 7px;
}

.signal span:nth-child(2) {
    height: 13px;
}

.signal span:nth-child(3) {
    height: 20px;
}

.signal span:nth-child(4) {
    height: 28px;
}

.hero-card strong {
    font-size: 80px;
    line-height: 0.9;
    letter-spacing: -5px;
}

.hero-card small {
    color: var(--yellow);
    font-size: 18px;
    margin-top: 10px;
}

.hero-card-line {
    height: 1px;
    background: #333;
    margin: 30px 0 20px;
}

.hero-card p {
    color: #999;
    font-size: 13px;
}


/* =========================
   GENERAL SECTIONS
========================= */

.section {
    padding: 120px 0;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 60px;
    margin-bottom: 70px;
}

.section-heading h2 {
    font-size: clamp(46px, 6vw, 75px);
    line-height: 0.95;
    letter-spacing: -3px;
}

.section-heading > p {
    max-width: 380px;
    color: #888;
    font-size: 16px;
}


/* =========================
   PLANS
========================= */

.internet-section {
    background: #0e0e0e;
}

.plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.plan {
    min-height: 460px;
    background: #151515;
    border: 1px solid var(--border);
    padding: 35px;
    position: relative;
    transition: 0.25s;
}

.plan:hover {
    transform: translateY(-6px);
    border-color: #444;
}

.plan.featured {
    border-color: var(--yellow);
}

.popular {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--yellow);
    color: #000;
    padding: 9px 14px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
}

.plan-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.plan-number {
    color: #555;
    font-size: 13px;
}

.plan-speed {
    color: var(--yellow);
    font-weight: 700;
    font-size: 13px;
}

.plan h3 {
    font-size: 30px;
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 25px;
}

.price strong {
    font-size: 48px;
    letter-spacing: -2px;
}

.price span {
    color: #777;
    font-size: 13px;
}

.plan > p {
    color: #888;
    font-size: 14px;
    min-height: 70px;
}

.suitable {
    border-top: 1px solid #292929;
    margin-top: 30px;
    padding-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.suitable strong {
    color: var(--yellow);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.suitable span {
    color: #bbb;
    font-size: 13px;
}


/* =========================
   ABOUT
========================= */

.about-section {
    background: #080808;
}

.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 120px;
}

.about-title h2 {
    font-size: clamp(50px, 6vw, 80px);
    line-height: 0.95;
    letter-spacing: -4px;
}

.about-text .large {
    font-size: 25px;
    line-height: 1.45;
    color: #ddd;
    margin-bottom: 30px;
}

.about-text > p:not(.large) {
    max-width: 650px;
    color: #888;
    font-size: 16px;
}

.about-line {
    width: 100%;
    height: 1px;
    background: #292929;
    margin: 50px 0 30px;
}

.about-values {
    display: flex;
    gap: 70px;
}

.about-values div {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.about-values strong {
    color: var(--yellow);
    font-size: 12px;
}

.about-values span {
    color: #aaa;
    font-size: 13px;
}


/* =========================
   CTA
========================= */

.cta {
    background: var(--yellow);
    color: #080808;
    padding: 80px 0;
}

.cta .eyebrow {
    color: #111;
}

.cta h2 {
    font-size: clamp(45px, 6vw, 70px);
    line-height: 0.95;
    letter-spacing: -3px;
}

.cta h2 span {
    color: #080808;
}

.cta-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.button-light {
    background: #080808;
    color: white;
}

.button-light:hover {
    background: white;
    color: #080808;
}


/* =========================
   CONTACT
========================= */

.contact-section {
    background: #101010;
}

.contacts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid #292929;
    border-bottom: 1px solid #292929;
}

.contact-person {
    padding: 40px 30px;
    border-right: 1px solid #292929;
}

.contact-person:last-child {
    border-right: none;
}

.contact-role {
    display: block;
    color: var(--yellow);
    font-size: 10px;
    letter-spacing: 1.5px;
    margin-bottom: 25px;
}

.contact-person h3 {
    font-size: 23px;
    margin-bottom: 20px;
}

.contact-person a {
    display: block;
    color: #888;
    font-size: 14px;
    margin-top: 7px;
    transition: 0.2s;
}

.contact-person a:hover {
    color: var(--yellow);
}

.address {
    margin-top: 50px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
}

.address div {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.address span {
    color: var(--yellow);
    font-size: 10px;
    letter-spacing: 1.5px;
}

.address strong,
.address a {
    color: #aaa;
    font-size: 14px;
    font-weight: normal;
}

.address a:hover {
    color: var(--yellow);
}


/* =========================
   FOOTER
========================= */

.footer {
    background: #050505;
    border-top: 1px solid #1c1c1c;
}

.footer-content {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.footer p {
    color: #666;
    font-size: 12px;
}

.copyright {
    color: #555;
    font-size: 11px;
}


/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

    .hero {
        min-height: 700px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero-card {
        display: none;
    }

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

    .plan {
        min-height: auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

    .contact-person {
        border-right: none;
        border-bottom: 1px solid #292929;
    }

    .contact-person:last-child {
        border-bottom: none;
    }

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

}

@media (max-width: 650px) {

    .container {
        width: min(100% - 30px, 1180px);
    }

    .nav {
        height: 70px;
    }

    .nav nav {
        gap: 15px;
    }

    .nav nav a {
        font-size: 11px;
    }

    .hero {
        min-height: 650px;
    }

    .hero h1 {
        font-size: 58px;
        letter-spacing: -3px;
    }

    .hero-text p {
        font-size: 16px;
    }

    .section {
        padding: 80px 0;
    }

    .section-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
        margin-bottom: 45px;
    }

    .section-heading h2 {
        font-size: 50px;
    }

    .plan {
        padding: 28px;
    }

    .about-text .large {
        font-size: 20px;
    }

    .about-values {
        flex-direction: column;
        gap: 20px;
    }

    .cta-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta h2 {
        font-size: 50px;
    }

    .footer-content {
        flex-direction: column;
        justify-content: center;
        padding: 30px 0;
    }

}
```