/* =============================================
       DESIGN TOKENS — CSS Custom Properties
       Baseado no DESIGN.md (Telecom Authority)
    ============================================= */
:root {
    /* Cores */
    --color-primary: #000613;
    --color-on-primary: #ffffff;
    --color-primary-container: #001f3f;
    --color-on-primary-container: #6f88ad;

    --color-secondary: #005eb2;
    --color-on-secondary: #ffffff;
    --color-secondary-container: #4597fe;
    --color-on-secondary-container: #002e5d;

    --color-surface: #fcf9f8;
    --color-surface-container-low: #f6f3f2;
    --color-surface-container: #f0eded;
    --color-surface-container-lowest: #ffffff;

    --color-on-surface: #1c1b1b;
    --color-on-surface-variant: #43474e;
    --color-outline-variant: #c4c6cf;
    --color-outline: #74777f;

    --color-whatsapp: #25D366;

    /* Tipografia */
    --font-family: 'Hanken Grotesk', sans-serif;

    --font-display-lg-size: 48px;
    --font-display-lg-weight: 700;
    --font-display-lg-line: 56px;
    --font-display-lg-spacing: -0.02em;

    --font-headline-lg-size: 32px;
    --font-headline-lg-weight: 600;
    --font-headline-lg-line: 40px;

    --font-headline-md-size: 24px;
    --font-headline-md-weight: 600;
    --font-headline-md-line: 32px;

    --font-body-lg-size: 18px;
    --font-body-lg-weight: 400;
    --font-body-lg-line: 28px;

    --font-body-md-size: 16px;
    --font-body-md-weight: 400;
    --font-body-md-line: 24px;

    --font-label-md-size: 14px;
    --font-label-md-weight: 500;
    --font-label-md-line: 20px;
    --font-label-md-spacing: 0.01em;

    --font-label-sm-size: 12px;
    --font-label-sm-weight: 600;
    --font-label-sm-line: 16px;

    /* Espaçamento (múltiplos de 8px) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;
    --space-16: 128px;

    --margin-mobile: 16px;
    --margin-desktop: 64px;
    --container-max: 1200px;
    --gutter: 24px;

    /* Border radius */
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
}

/* =============================================
       RESET & BASE
    ============================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-body-md-size);
    line-height: var(--font-body-md-line);
    color: var(--color-on-surface);
    background-color: var(--color-surface);
}

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

a {
    text-decoration: none;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* =============================================
       UTILITÁRIO: Container
    ============================================= */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--margin-mobile);
}

@media (min-width: 768px) {
    .container {
        padding-inline: var(--margin-desktop);
    }
}

/* =============================================
       BLOCO: navbar
    ============================================= */
.navbar {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-outline-variant);
    position: sticky;
    top: 0;
    z-index: 50;
}

.navbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.navbar__logo img {
    width: 300px;
    object-fit: contain;
}

.navbar__nav {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .navbar__nav {
        display: flex;
    }
}

.navbar__link {
    font-size: var(--font-body-md-size);
    font-weight: var(--font-body-md-weight);
    color: var(--color-on-surface-variant);
    transition: color 0.2s;
}

.navbar__link:hover {
    color: var(--color-primary);
}

.navbar__link--active {
    color: var(--color-secondary);
    border-bottom: 2px solid var(--color-secondary);
    font-weight: 700;
    padding-bottom: 4px;
}

.navbar__cta {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-label-md-size);
    font-weight: var(--font-label-md-weight);
    letter-spacing: var(--font-label-md-spacing);
    transition: opacity 0.2s;
}

.navbar__cta:hover {
    opacity: 0.9;
}

/* =============================================
       BLOCO: hero
    ============================================= */
.hero {
    position: relative;
    overflow: hidden;
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

/* Vídeo background */
.hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 6, 19, 0.72);
    z-index: 1;
}

.hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 768px) {
    .hero__inner {
        grid-template-columns: 1fr 1fr;
    }
}

.hero__content {
    z-index: 2;
}

.hero__logo {
    width: 400px;
    margin-bottom: var(--space-4);
    /* background: var(--color-surface-container-lowest); */
    /* padding: var(--space-4); */
    border-radius: var(--radius-lg);
    /* border: 1.5px solid var(--color-outline-variant); */
}

.hero_logo img {
    width: 100%;
    object-fit: contain;
}

.hero__title {
    font-size: var(--font-display-lg-size);
    font-weight: var(--font-display-lg-weight);
    line-height: var(--font-display-lg-line);
    letter-spacing: var(--font-display-lg-spacing);
    color: var(--color-on-primary);
    margin-bottom: var(--space-3);
}

/* Mobile: título menor */
@media (max-width: 767px) {
    .hero__title {
        font-size: var(--font-headline-lg-size);
        line-height: var(--font-headline-lg-line);
    }
}

.hero__subtitle {
    font-size: var(--font-body-lg-size);
    line-height: var(--font-body-lg-line);
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-6);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* =============================================
       BLOCO: btn (botões reutilizáveis)
    ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 14px var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-label-md-size);
    font-weight: 600;
    letter-spacing: var(--font-label-md-spacing);
    transition: opacity 0.2s, background-color 0.2s;
    cursor: pointer;
}

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

.btn--primary:hover {
    opacity: 0.9;
    background-color: var(--color-secondary);
    color: var(--color-on-primary);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-on-primary);
    border: 1.5px solid var(--color-on-primary);
}

.btn--outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

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

.btn--whatsapp:hover {
    opacity: 0.9;
}

.btn--dark {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    width: 100%;
}

.btn--dark:hover {
    opacity: 0.85;
}

/* =============================================
       BLOCO: about
    ============================================= */
.about {
    padding-block: var(--space-16);
    background-color: var(--color-surface);
}

.about__inner {
    max-width: 720px;
    margin-inline: auto;
    text-align: center;
}

.about__title {
    font-size: var(--font-headline-lg-size);
    font-weight: var(--font-headline-lg-weight);
    line-height: var(--font-headline-lg-line);
    color: var(--color-secondary);
    margin-bottom: var(--space-3);
}

.about__text {
    font-size: var(--font-body-lg-size);
    line-height: var(--font-body-lg-line);
    color: var(--color-on-surface-variant);
}

/* =============================================
       BLOCO: services
    ============================================= */
.services {
    padding-block: var(--space-16);
    background-color: var(--color-surface-container-low);
}

.services__header {
    margin-bottom: var(--space-8);
}

.services__label {
    display: block;
    font-size: var(--font-label-sm-size);
    font-weight: var(--font-label-sm-weight);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-1);
}

.services__title {
    font-size: var(--font-headline-lg-size);
    font-weight: var(--font-headline-lg-weight);
    line-height: var(--font-headline-lg-line);
    color: var(--color-primary);
}

.services__grid {
    display: grid;
    gap: var(--gutter);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(12, 1fr);
    }

    /* Card grande: 8 colunas */
    .services__card--featured {
        grid-column: span 8;
    }

    /* Cards menores: 4 colunas cada */
    .services__card--small {
        grid-column: span 4;
    }
}

/* =============================================
       BLOCO: service-card
    ============================================= */
.service-card {
    background-color: var(--color-surface-container-lowest);
    border: 1px solid var(--color-outline-variant);
    padding: var(--space-4);
    transition: border-color 0.2s, background-color 0.6s ease;
    border-radius: var(--radius-lg);
}

.service-card--highlight {
    background-color: var(--color-primary-container);
}


.service-card:hover {
    border-color: var(--color-secondary);
}

/* .service-card--dark {
    background-color: var(--color-surface-container-lowest);
} */

/* .service-card__icon {
    font-size: 36px;
    margin-bottom: var(--space-3);
    color: var(--color-secondary);
}

.service-card--dark .service-card__icon {
    color: var(--color-secondary-container);
} */

.service-card__image--featured {
    max-width: 100%;
}


.service-card__image--small {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    transition: transform 0.3s ease;
}

.service-card__title {
    font-size: var(--font-headline-md-size);
    font-weight: var(--font-headline-md-weight);
    line-height: var(--font-headline-md-line);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    transition: color 0.2s ease;
}

.service-card--highlight .service-card__title {
    color: white;
}

/* .service-card--dark .service-card__title {
    color: var(--color-primary);
} */

.service-card__text {
    font-size: var(--font-body-md-size);
    line-height: var(--font-body-md-line);
    color: var(--color-on-surface-variant);
    transition: color 0.2s ease;
}

.service-card--highlight .service-card__text {
    color: white;
}

/* .service-card--dark .service-card__text {
    color: rgba(255, 255, 255, 0.7);
} */

/* Imagem dentro do card featured */
/* .service-card__image {
    margin-top: var(--space-3);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-height: 200px;
}

.service-card__image img {
    width: 100%;
    object-fit: cover;
} */




/* =============================================
       BLOCO: differentials
    ============================================= */
.differentials {
    padding-block: var(--space-16);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.differentials__inner {
    display: grid;
    gap: var(--space-16);
    align-items: center;
}

@media (min-width: 768px) {
    .differentials__inner {
        grid-template-columns: 1fr 1fr;
    }
}

.differentials__label {
    display: block;
    font-size: var(--font-label-sm-size);
    font-weight: var(--font-label-sm-weight);
    color: var(--color-secondary-container);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.differentials__title {
    font-size: var(--font-headline-lg-size);
    font-weight: var(--font-headline-lg-weight);
    line-height: var(--font-headline-lg-line);
    margin-bottom: var(--space-3);
}

.differentials__subtitle {
    font-size: var(--font-body-lg-size);
    line-height: var(--font-body-lg-line);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
}

.differentials__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

/* =============================================
       BLOCO: differential-item
    ============================================= */
.differential-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.differential-item__icon {
    color: var(--color-secondary-container);
    flex-shrink: 0;
}

.differential-item__title {
    font-size: var(--font-label-md-size);
    font-weight: 700;
    line-height: var(--font-label-md-line);
    margin-bottom: 4px;
}

.differential-item__text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* Coluna da imagem */
.differentials__visual {
    position: relative;
}

.differentials__visual img {
    border-radius: var(--radius-xl);
    width: 100%;
}

@media (min-width: 768px) {
    .differentials__badge {
        display: block;
    }
}

.differentials__badge-number {
    font-size: var(--font-headline-md-size);
    font-weight: var(--font-headline-md-weight);
    line-height: var(--font-headline-md-line);
}

.differentials__badge-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =============================================
       BLOCO: contact
    ============================================= */
.contact {
    padding-block: var(--space-16);
    background-color: var(--color-surface);
}

.contact__card {
    background-color: var(--color-surface-container-low);
    border: 1px solid var(--color-outline-variant);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    align-items: center;
}

@media (min-width: 768px) {
    .contact__card {
        flex-direction: row;
        justify-content: space-between;
    }
}

.contact__title {
    font-size: var(--font-headline-lg-size);
    font-weight: var(--font-headline-lg-weight);
    line-height: var(--font-headline-lg-line);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.contact__text {
    font-size: var(--font-body-md-size);
    line-height: var(--font-body-md-line);
    color: var(--color-on-surface-variant);
    max-width: 480px;
}

.contact__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
}

@media (min-width: 768px) {
    .contact__actions {
        width: auto;
        min-width: 260px;
    }
}

/* =============================================
       BLOCO: footer
    ============================================= */
.footer {
    background-color: var(--color-primary);
    border-top: 1px solid var(--color-outline);
}

.footer__inner {
    padding-block: var(--space-8);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
}

@media (min-width: 768px) {
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__brand-name {
    font-size: var(--font-headline-md-size);
    font-weight: var(--font-headline-md-weight);
    color: var(--color-on-primary);
    margin-bottom: var(--space-1);
}

.footer__brand-desc {
    font-size: var(--font-label-md-size);
    color: rgba(255, 255, 255, 0.6);
    max-width: 280px;
}

.footer__links {
    display: flex;
    gap: var(--space-4);
}

.footer__link {
    font-size: var(--font-label-md-size);
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s;
}

.footer__link:hover {
    color: var(--color-on-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-secondary);
}

.footer__copy {
    font-size: var(--font-label-md-size);
    color: rgba(255, 255, 255, 0.6);
}

/* =============================================
   BLOCO: partners (logo strip infinito)
============================================= */
.partners {
  padding-block: var(--space-6);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-outline-variant);
  border-bottom: 1px solid var(--color-outline-variant);
  overflow: hidden;
}

.partners__inner {
  /* mascara as bordas com fade */
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.partners__track {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  width: max-content;
  animation: scroll-logos 50s linear infinite;
}

.partners__track:hover {
  animation-play-state: paused;
}

.partners__logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) opacity(50%);
  transition: filter 0.3s;
}

.partners__logo:hover {
  filter: grayscale(0%) opacity(100%);
}

@keyframes scroll-logos {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}