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

:root {
    --color-primary: #dd3733;
    --color-primary-dark: #bb2f2c;
    --color-dark: #322d35;
    --color-gray: #6b7280;
    --color-gray-light: #f3f4f6;
    --color-white: #ffffff;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(50, 45, 53, 0.08);
    --shadow-lg: 0 8px 40px rgba(50, 45, 53, 0.12);
}

html {
    scroll-behavior: smooth;
}

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

    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* Section reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

.hero.reveal {
    transform: translateY(24px) scale(0.98);
}

.hero.reveal.is-visible {
    transform: translateY(0) scale(1);
    transition-duration: 0.9s;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--color-dark);
    line-height: 1.6;
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    background: var(--color-white);
    border-bottom: 1px solid #eee;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray);
    text-decoration: none;
    padding: 8px 4px;
    display: none;
}

.header__link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.header__logo {
    height: 36px;
    width: auto;
}

.header__cta {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    padding: 8px 18px;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
}

.header__cta:hover {
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

/* Commercial question */
.commercial-ask {
    padding: 64px 0;
    background: var(--color-dark);
    color: var(--color-white);
    text-align: center;
}

.commercial-ask__inner {
    max-width: 720px;
    margin: 0 auto;
}

.commercial-ask__title {
    font-size: clamp(1.35rem, 3.5vw, 1.85rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}

.commercial-ask__text {
    font-size: 16px;
    opacity: 0.88;
    line-height: 1.6;
    margin-bottom: 28px;
}

.commercial-ask__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.commercial-ask .btn--outline {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.7);
}

.commercial-ask .btn--outline:hover {
    background: var(--color-white);
    color: var(--color-dark);
    border-color: var(--color-white);
}

.wifi-block[hidden] {
    display: none;
}

/* Wi-Fi steps */
.wifi-steps {
    padding: 48px 0;
    background: var(--color-white);
    border-bottom: 1px solid #eee;
}

.wifi-steps__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.wifi-step {
    text-align: center;
    padding: 24px 16px;
}

.wifi-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
    font-size: 18px;
    border-radius: 50%;
    margin-bottom: 12px;
}

.wifi-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.wifi-step p {
    font-size: 14px;
    color: var(--color-gray);
    max-width: 260px;
    margin: 0 auto;
}

.form-section__extra {
    margin-top: 16px;
    font-size: 15px;
    color: var(--color-gray);
}

/* Buttons */
.btn {
    display: inline-block;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

.btn--full {
    width: 100%;
}

/* Hero */
.hero {
    position: relative;
    min-height: 55vh;
    display: flex;
    align-items: center;
    background-color: var(--color-dark);
    background-image: url('../img/plano-bg-red.jpg');
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: cover;
    color: var(--color-white);
    padding: 6vh 0 7vh;
    overflow: hidden;
}

.hero__inner {
    position: relative;
    z-index: 1;
    max-width: 773px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.hero__badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
}

.hero__title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 auto 16px;
    max-width: 720px;
}

.hero__title strong {
    color: #f5a8a6;
}

.hero__subtitle {
    font-size: 17px;
    opacity: 0.9;
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

/* Sections */
.section-title {
    font-size: clamp(1.4rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-dark);
}

.section-title--center {
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    max-width: 560px;
    margin: 0 auto 40px;
    font-size: 16px;
}

/* About */
.about {
    padding: 70px 0;
    background: var(--color-gray-light);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.about__content p {
    color: var(--color-gray);
    margin-bottom: 16px;
    font-size: 16px;
}

.about__features {
    list-style: none;
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 24px;
}

.about__features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    font-weight: 500;
}

.about__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 13px;
    flex-shrink: 0;
    margin-top: 1px;
}

.about__labs {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about__labs-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
}

.about__lab {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.about__lab img {
    width: 100%;
    max-width: 220px;
    height: 88px;
    object-fit: contain;
}

.about__lab strong {
    display: block;
    font-size: 1rem;
    color: var(--color-dark);
}

.about__stat {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow);
}

.about__stat strong {
    display: block;
    font-size: 1.15rem;
    color: var(--color-primary);
}

/* Centros de Referência */
.centers {
    padding: 70px 0;
    background: var(--color-white);
}

.centers__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.center-card {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 240px;
    border-radius: var(--radius);
    overflow: hidden;
    background-color: var(--color-dark);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.center-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30, 27, 34, 0.88) 0%, rgba(30, 27, 34, 0.15) 55%, transparent 100%);
}

.center-card:hover {
    text-decoration: none;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.center-card__name {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    padding: 20px 18px;
    color: var(--color-white);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
}

/* Plans */
.plans {
    background: var(--color-white);
}

.plans-banner {
    padding: 32px 0;
    border-bottom: 1px solid #eee;
}

.plans-banner__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: center;
    text-align: center;
}

.plans-banner__title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
}

.plans-banner__tags {
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 600;
}

.plans-banner__cta-text {
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.plans-banner__whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-dark);
    text-decoration: none;
}

.plans-banner__whatsapp:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.plans-banner__logo {
    height: 40px;
    margin: 0 auto;
}

.btn--quote {
    display: inline-block;
    background: #1e4d72;
    color: var(--color-white);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.2s;
}

.btn--quote:hover {
    background: #163a56;
    color: var(--color-white);
    text-decoration: none;
}

.plans-showcase {
    padding: 56px 0 70px;
    background: #f7f7f7;
}

.plans-showcase__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.plan-circle {
    display: flex;
    justify-content: center;
}

.plan-circle__frame {
    position: relative;
    width: 100%;
    max-width: 360px;
    padding-top: 20px;
    padding-bottom: 48px;
}

.plan-circle__photo {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    background: var(--color-white);
}

.plan-circle__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.plan-circle--familia .plan-circle__photo {
    box-shadow: inset 0 0 0 12px #3db8a9;
}

.plan-circle--empresarial .plan-circle__photo {
    box-shadow: inset 0 0 0 12px #1e4d72;
}

.plan-circle--50 .plan-circle__photo {
    box-shadow: inset 0 0 0 12px #555;
}

.plan-circle__label {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    width: calc(100% - 24px);
    max-width: 300px;
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-white);
    text-align: center;
    line-height: 1.3;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.plan-circle--familia .plan-circle__label {
    background: #3db8a9;
}

.plan-circle--empresarial .plan-circle__label {
    background: #1e4d72;
}

.plan-circle--50 .plan-circle__label {
    background: #555;
}

.plan-circle__price {
    position: absolute;
    bottom: -8px;
    right: -8px;
    z-index: 3;
    width: 200px;
    height: 200px;
    background: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.14);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
}

.plan-circle__price small {
    font-size: 16px;
    color: var(--color-gray);
    line-height: 1.2;
    font-weight: 500;
}

.plan-circle__price strong {
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.05;
    margin: 4px 0;
}

.plan-circle--familia .plan-circle__price strong {
    color: #3db8a9;
}

.plan-circle--empresarial .plan-circle__price strong {
    color: #1e4d72;
}

.plan-circle--50 .plan-circle__price strong {
    color: #555;
}

.plan-circle__price span {
    font-size: 11px;
    color: var(--color-gray);
    line-height: 1.35;
    margin-top: 6px;
    max-width: 170px;
}

.plans__cta {
    text-align: center;
}

/* Form */
.form-section {
    padding: 70px 0;
    background: var(--color-gray-light);
}

.form-section__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
}

.form-section__info p {
    color: var(--color-gray);
    margin-bottom: 16px;
    font-size: 16px;
}

.form-section__contact {
    margin-top: 24px;
    padding: 20px;
    background: var(--color-white);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-primary);
}

.form-section__contact p {
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.form-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px 24px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.form-loading {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius);
}

.form-loading[hidden] {
    display: none;
}

.form-loading p {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-dark);
}

.form-loading__spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #eee;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: form-spin 0.8s linear infinite;
}

@keyframes form-spin {
    to { transform: rotate(360deg); }
}

.btn:disabled {
    opacity: 0.7;
    cursor: wait;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-dark);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: border-color 0.2s;
    background: var(--color-white);
    color: var(--color-dark);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder {
    color: #aaa;
}

.alert {
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert--success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert--error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert--error ul {
    list-style: none;
}

.alert--error li + li {
    margin-top: 4px;
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 0;
    text-align: center;
}

.footer__logo {
    height: 32px;
    filter: brightness(0) invert(1);
    margin-bottom: 16px;
}

.footer__text {
    font-size: 13px;
    margin-bottom: 16px;
}

.footer__info {
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.footer__info p {
    margin-bottom: 4px;
}

.footer__info strong {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.footer__info a {
    color: rgba(255, 255, 255, 0.85);
}

.footer__info a:hover {
    color: var(--color-white);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__copy {
    font-size: 12px;
    opacity: 0.5;
}

/* LGPD cookie banner */
.lgpd-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    border-top: 1px solid rgba(50, 45, 53, 0.12);
    box-shadow: 0 -8px 32px rgba(50, 45, 53, 0.12);
    padding: 20px 0;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.lgpd-banner--visible {
    transform: translateY(0);
}

.lgpd-banner__inner {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lgpd-banner__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.lgpd-banner__text {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-gray);
}

.lgpd-banner__text a {
    color: var(--color-primary);
    font-weight: 600;
}

.lgpd-banner__details {
    margin-top: 10px;
    font-size: 13px;
    color: var(--color-gray);
}

.lgpd-banner__details summary {
    cursor: pointer;
    color: var(--color-primary);
    font-weight: 600;
}

.lgpd-banner__cookie-list {
    margin-top: 8px;
    padding-left: 18px;
    line-height: 1.6;
}

.lgpd-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.lgpd-banner__btn {
    flex: 1 1 auto;
    min-width: 140px;
}

/* Legal pages */
.legal-page .header__logo {
    display: block;
}

.legal {
    padding: 40px 0 80px;
    background: var(--color-gray-light);
}

.legal__container {
    max-width: 800px;
}

.legal__article h1 {
    font-size: 28px;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.legal__updated {
    font-size: 13px;
    color: var(--color-gray);
    margin-bottom: 28px;
}

.legal__article h2 {
    font-size: 18px;
    color: var(--color-dark);
    margin: 28px 0 12px;
}

.legal__article h3 {
    font-size: 15px;
    color: var(--color-dark);
    margin: 20px 0 10px;
}

.legal__article p {
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-gray);
    margin-bottom: 12px;
}

.legal__article a {
    color: var(--color-primary);
    font-weight: 500;
}

.legal__list {
    margin: 0 0 16px 20px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-gray);
}

.legal__table-wrap {
    overflow-x: auto;
    margin: 12px 0 20px;
}

.legal__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.legal__table th,
.legal__table td {
    border: 1px solid rgba(50, 45, 53, 0.12);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}

.legal__table th {
    background: var(--color-white);
    font-weight: 600;
    color: var(--color-dark);
}

.legal__table td {
    background: var(--color-white);
    color: var(--color-gray);
}

/* Form consent */
.form-group--consent {
    margin-top: 4px;
    margin-bottom: 14px;
}

.form-group--consent .form-consent {
    display: inline;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.55;
    color: var(--color-gray);
    cursor: pointer;
    margin-bottom: 0;
}

.form-group--consent .form-consent input[type="checkbox"] {
    display: inline;
    width: auto;
    height: auto;
    margin: 0 6px 0 0;
    padding: 0;
    vertical-align: -2px;
    accent-color: var(--color-primary);
    border: none;
    border-radius: 0;
    background: none;
}

.form-group--consent .form-consent a {
    color: var(--color-primary);
    font-weight: 600;
}

.form-error {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #b91c1c;
}

/* Responsive */
@media (max-width: 480px) {
    .header__cta {
        font-size: 12px;
        padding: 8px 12px;
        white-space: nowrap;
    }
}

@media (min-width: 640px) {
    .header__link {
        display: inline-block;
    }

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

    .plans-showcase__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }

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

@media (max-width: 767px) {
    .hero {
        min-height: 50vh;
        background-position: 75% bottom;
        padding: 5vh 0 6vh;
    }
}

@media (min-width: 768px) {
    .lgpd-banner__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }

    .lgpd-banner__actions {
        flex-shrink: 0;
        flex-direction: column;
        min-width: 200px;
    }

    .about__grid {
        grid-template-columns: 1.4fr 0.8fr;
        align-items: start;
    }

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

    .centers__grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .center-card {
        min-height: 280px;
    }

    .form-section__inner {
        grid-template-columns: 1fr 1fr;
    }

    .hero {
        min-height: 60vh;
        padding: 7vh 0 8vh;
    }

    .plans-banner__inner {
        grid-template-columns: 1fr auto auto;
        text-align: left;
        gap: 32px;
    }

    .plans-banner__logo {
        margin: 0 0 0 auto;
    }
}