* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: #02050a;
    color: #fff;
    font-family: Inter, Arial, sans-serif;
    line-height: 1.55;
    overflow-x: hidden
}

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

.site-header {
    height: 88px;
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    padding: 10px 4vw;
    background: linear-gradient(180deg, rgba(2, 5, 10, .94), rgba(2, 5, 10, .55));
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0, 217, 255, .12)
}

.brand {
    width: 210px;
    margin-right: auto
}

.brand img {
    display: block;
    width: 100%;
    height: 65px;
    object-fit: contain
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase
}

.nav>a:not(.btn),
.drop>button {
    opacity: .8
}

.nav>a:hover,
.drop>button:hover {
    opacity: 1;
    color: #00d9ff
}

.drop {
    position: relative
}

.drop>button {
    border: 0;
    background: none;
    color: #fff;
    font: inherit;
    text-transform: inherit;
    cursor: pointer
}

.dropmenu {
    position: absolute;
    top: 28px;
    left: -15px;
    min-width: 210px;
    padding: 10px;
    background: #071321;
    border: 1px solid rgba(0, 217, 255, .22);
    border-radius: 14px;
    display: none;
    box-shadow: 0 18px 50px #000
}

.drop:hover .dropmenu {
    display: grid
}

.dropmenu a {
    padding: 10px;
    border-radius: 8px
}

.dropmenu a:hover {
    background: #0a2037;
    color: #00d9ff
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #00b7ff;
    border-radius: 999px;
    padding: 13px 22px;
    background: linear-gradient(135deg, #006cff, #00d9ff);
    color: #fff;
    font-weight: 800;
    box-shadow: 0 0 28px rgba(0, 140, 255, .25);
    cursor: pointer
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 38px rgba(0, 217, 255, .35)
}

.btn.ghost {
    background: rgba(0, 108, 255, .08)
}

.btn.small {
    padding: 10px 16px
}

.menu-btn {
    display: none;
    background: none;
    border: 1px solid #1673b7;
    color: #fff;
    border-radius: 10px;
    padding: 8px 11px;
    font-size: 22px
}

.hero {
    min-height: 100vh;
    padding: 130px 7vw 70px;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 80% 40%, rgba(0, 108, 255, .2), transparent 30%), linear-gradient(135deg, #02050a 35%, #04101f)
}

.hero:after {
    content: "";
    position: absolute;
    width: 80vw;
    height: 80vw;
    border: 2px solid rgba(0, 217, 255, .16);
    border-radius: 50%;
    right: -35vw;
    top: -15vw;
    box-shadow: 0 0 80px rgba(0, 108, 255, .15)
}

.hero-copy,
.mega {
    position: relative;
    z-index: 2
}

.hero-logo {
    width: min(560px, 100%);
    height: auto;
    filter: drop-shadow(0 0 18px rgba(0, 130, 255, .25));
    margin-bottom: 10px
}

.eyebrow {
    color: #00d9ff;
    letter-spacing: .18em;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase
}

.hero h1,
.inner-hero h1 {
    font-size: clamp(42px, 5vw, 82px);
    line-height: .98;
    margin: 12px 0 20px;
    letter-spacing: -.045em
}

.hero p {
    max-width: 680px;
    color: #b7c8d9;
    font-size: 18px
}

.hero-ctas {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px
}

.mega {
    text-align: center
}

.mega span,
.mega b {
    display: block;
    letter-spacing: .25em;
    color: #9fc9e9
}

.mega strong {
    display: block;
    font-size: clamp(100px, 17vw, 260px);
    line-height: .78;
    letter-spacing: -.08em;
    background: linear-gradient(#63efff, #008cff 45%, #063cff);
    -webkit-background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 22px rgba(0, 140, 255, .35))
}

.quick {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #050b14;
    border-block: 1px solid rgba(0, 217, 255, .15);
    padding: 20px 6vw;
    text-align: center;
    color: #c9dced
}

.section {
    padding: 90px 7vw
}

.center {
    text-align: center;
    max-width: 1050px;
    margin: auto
}

.section h2,
.feature h2,
.cta h2 {
    font-size: clamp(34px, 4vw, 58px);
    line-height: 1.05;
    margin: 10px 0 18px;
    letter-spacing: -.035em
}

.section p,
.feature p,
.cta p {
    color: #91a9c0
}

.use-grid,
.mini-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 38px
}

.use-grid>*,
.mini-grid>* {
    padding: 20px;
    border: 1px solid rgba(0, 217, 255, .14);
    border-radius: 16px;
    background: #050c15
}

.plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 40px
}

.plan {
    padding: 28px;
    border: 1px solid rgba(0, 170, 255, .18);
    border-radius: 24px;
    background: linear-gradient(160deg, #071321, #03080e);
    transition: .25s;
    position: relative;
    overflow: hidden
}

.plan:before {
    content: "";
    position: absolute;
    inset: auto -30% -50% 20%;
    height: 150px;
    background: #006cff;
    filter: blur(70px);
    opacity: .1
}

.plan:hover,
.plan.featured {
    transform: translateY(-5px);
    border-color: #00bfff;
    box-shadow: 0 18px 60px rgba(0, 108, 255, .16)
}

.speed {
    font-size: 72px;
    font-weight: 900;
    line-height: 1;
    margin: 12px 0;
    color: #fff
}

.speed small {
    font-size: 18px;
    color: #00d9ff
}

.price {
    font-size: 28px;
    font-weight: 800
}

.price small {
    font-size: 13px;
    color: #8fa5bb
}

.plan ul {
    list-style: none;
    padding: 0;
    margin: 24px 0;
    color: #afc2d4
}

.plan li {
    padding: 5px 0
}

.plan li:before {
    content: "✓ ";
    color: #00d9ff
}

.split,
.form-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 55px;
    align-items: center
}

.panel,
.form-wrap form {
    background: #06101b;
    border: 1px solid rgba(0, 217, 255, .16);
    padding: 32px;
    border-radius: 24px
}

.speed-result {
    margin-top: 25px;
    font-size: 24px;
    font-weight: 800
}

input[type=range] {
    width: 100%;
    accent-color: #00aaff
}

.feature {
    min-height: 560px;
    padding: 90px 8vw;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
    background: linear-gradient(120deg, #03070d, #071321)
}

.feature.reverse {
    direction: rtl
}

.feature.reverse>* {
    direction: ltr
}

.visual,
.devices,
.wifi {
    min-height: 330px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 32px;
    background: radial-gradient(circle, #0b65bb 0, #071321 35%, #02050a 70%);
    border: 1px solid rgba(0, 217, 255, .15);
    font-size: 80px;
    font-weight: 900;
    color: #00d9ff;
    text-shadow: 0 0 25px #008cff
}

.rings {
    box-shadow: inset 0 0 80px rgba(0, 108, 255, .25), 0 0 70px rgba(0, 108, 255, .12)
}

.cta {
    text-align: center;
    padding: 100px 8vw;
    background: radial-gradient(circle at center, rgba(0, 108, 255, .3), transparent 45%), #02050a
}

.cta p {
    max-width: 760px;
    margin: 0 auto 28px
}

.form-wrap input,
.form-wrap select,
.form-wrap textarea {
    width: 100%;
    margin: 7px 0;
    padding: 15px 16px;
    background: #02070d;
    border: 1px solid #17344e;
    border-radius: 12px;
    color: #fff
}

.form-wrap textarea {
    min-height: 120px;
    resize: vertical
}

.check {
    display: block;
    color: #8fa5bb;
    font-size: 13px;
    margin: 12px 0
}

.check input {
    width: auto
}

.inner-hero {
    padding: 170px 8vw 90px;
    min-height: 470px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: radial-gradient(circle at 80% 30%, rgba(0, 108, 255, .22), transparent 28%), #03070d
}

.inner-hero p {
    max-width: 760px;
    color: #9cb2c7;
    font-size: 18px
}

.cards3,
.cards4 {
    display: grid;
    gap: 18px
}

.cards3 {
    grid-template-columns: repeat(3, 1fr)
}

.cards4 {
    grid-template-columns: repeat(4, 1fr)
}

.cards3 article,
.cards4 article,
.support {
    padding: 28px;
    border-radius: 22px;
    background: #06101b;
    border: 1px solid rgba(0, 217, 255, .14)
}

.cards3 h2,
.cards4 h2 {
    font-size: 24px
}

.text-link {
    color: #00d9ff;
    font-weight: 800
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px
}

.support {
    display: grid;
    gap: 8px
}

.support span {
    color: #00d9ff
}

.faq {
    max-width: 900px;
    margin: 70px auto
}

.faq details {
    border-bottom: 1px solid #18334b;
    padding: 18px 4px
}

.faq summary {
    font-weight: 800;
    cursor: pointer
}

.legal {
    max-width: 1000px;
    margin: auto
}

.legal h2 {
    font-size: 28px;
    margin-top: 42px
}

.notice {
    padding: 18px;
    border-left: 3px solid #00d9ff;
    background: #06101b
}

footer {
    padding: 65px 7vw 28px;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 35px;
    background: #010307;
    border-top: 1px solid rgba(0, 217, 255, .12);
    color: #8fa5bb
}

footer img {
    width: 240px;
    max-width: 100%
}

footer h4 {
    color: #fff
}

footer a {
    display: block;
    margin: 8px 0
}

.copy {
    grid-column: 1 / -1;
    border-top: 1px solid #101e2b;
    padding-top: 22px;
    text-align: center;
    width: 100%;
}



.float-wa {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 60;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #006cff, #00d9ff);
    font-size: 26px;
    box-shadow: 0 0 30px rgba(0, 217, 255, .35)
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: .7s
}

.reveal.on {
    opacity: 1;
    transform: none
}

@media(max-width:1100px) {
    .nav {
        position: fixed;
        top: 88px;
        right: 0;
        width: min(390px, 100%);
        height: calc(100vh - 88px);
        background: #03080e;
        padding: 30px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        overflow: auto
    }

    .nav.open {
        display: flex
    }

    .menu-btn {
        display: block
    }

    .dropmenu {
        position: static;
        margin-top: 8px
    }

    .drop.open .dropmenu {
        display: grid
    }

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

    .cards4 {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media(max-width:760px) {
    .site-header {
        height: 76px
    }

    .brand {
        width: 150px
    }

    .brand img {
        height: 55px
    }

    .nav {
        top: 76px;
        height: calc(100vh - 76px)
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 115px 6vw 60px
    }

    .hero h1 {
        font-size: 46px
    }

    .mega {
        margin-top: 50px
    }

    .mega strong {
        font-size: 130px
    }

    .quick {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
        font-size: 13px
    }

    .section {
        padding: 65px 6vw
    }

    .plans,
    .split,
    .form-wrap,
    .feature,
    .cards3,
    .cards4,
    .support-grid {
        grid-template-columns: 1fr
    }

    .use-grid,
    .mini-grid {
        grid-template-columns: 1fr 1fr
    }

    .feature {
        padding: 65px 6vw
    }

    .feature.reverse {
        direction: ltr
    }

    .visual,
    .devices,
    .wifi {
        min-height: 240px
    }

    .inner-hero {
        padding: 130px 6vw 65px;
        min-height: 390px
    }

    .inner-hero h1 {
        font-size: 44px
    }

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

    .copy {
        grid-column: 1/-1
    }
}

@media(max-width:430px) {

    .use-grid,
    .mini-grid,
    .quick,
    footer {
        grid-template-columns: 1fr
    }

    .hero-logo {
        width: 100%
    }

    .hero h1 {
        font-size: 39px
    }

    .speed {
        font-size: 62px
    }

    .hero-ctas .btn {
        width: 100%
    }
}

@media(prefers-reduced-motion:reduce) {
    * {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important
    }

    .reveal {
        opacity: 1;
        transform: none
    }
}

/* Centrar copyright */
footer .container:last-child {
    text-align: center;
}