/* LASS Tech — layout e tema visual */

:root {
    --bg: #0b1220;
    --bg-alt: #111b2e;
    --surface: #152238;
    --surface-2: #1c2d4a;
    --text: #e8eef8;
    --muted: #9fb0d0;
    --accent: #22d3ee;
    --accent-2: #38bdf8;
    --border: rgba(148, 163, 184, 0.18);
    --radius: 14px;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    --max: 1120px;
    --header-h: 72px;
    --font: "DM Sans", system-ui, -apple-system, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;

    /* Fundo global (auroras ciano) */
    --lasstech-page-bg: radial-gradient(1200px 600px at 10% -10%, rgba(34, 211, 238, 0.12), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(56, 189, 248, 0.1), transparent 50%),
        var(--bg);
}

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

html {
    scroll-behavior: smooth;
    min-height: 100%;
    background: var(--lasstech-page-bg);
    background-color: var(--bg);
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text);
    background: transparent;
    min-height: 100vh;
}

a {
    color: var(--accent-2);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--accent);
}

img {
    max-width: 100%;
    height: auto;
}

/* Skip link */
.skip-link.screen-reader-text {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 99999;
    padding: 0.75rem 1rem;
    background: var(--accent);
    color: #0b1220;
    font-weight: 600;
}

.skip-link.screen-reader-text:focus {
    left: 0.5rem;
    top: 0.5rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 18, 32, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.site-header__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.25rem;
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem 1rem;
    flex-wrap: wrap;
}

.site-branding {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 0 1 auto;
}

.site-branding .custom-logo-link {
    background: transparent !important;
    border: 0;
    box-shadow: none;
    padding: 0;
    border-radius: 0;
    line-height: 0;
}

.site-branding .custom-logo-link img {
    display: block;
    width: auto;
    height: auto;
    max-height: 44px;
    max-width: min(380px, 72vw);
    object-fit: contain;
    border-radius: 0;
    box-shadow: none;
    background: transparent !important;
    mix-blend-mode: normal;
}

@media (min-width: 640px) {
    .site-branding .custom-logo-link img {
        max-height: 52px;
        max-width: min(460px, 55vw);
    }
}

/* Marca padrão: texto + SVG (sem PNG — evita artefactos de processamento) */
.site-logo-mark {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    background: transparent;
    padding: 0;
    border: 0;
    min-width: 0;
}

.site-logo-mark__icon {
    flex-shrink: 0;
    color: var(--accent);
    line-height: 0;
}

.site-logo-mark__svg {
    display: block;
    width: 38px;
    height: 38px;
}

@media (min-width: 640px) {
    .site-logo-mark__svg {
        width: 44px;
        height: 44px;
    }
}

.site-logo-mark__text {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
    line-height: 1;
    text-align: left;
}

.site-logo-mark__lass {
    font-family: var(--font);
    font-weight: 800;
    font-size: clamp(1.4rem, 4vw, 1.75rem);
    letter-spacing: 0.06em;
    color: var(--accent);
}

.site-logo-mark__sub {
    font-family: var(--font);
    font-size: clamp(0.55rem, 1.8vw, 0.65rem);
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--text);
    opacity: 0.9;
    text-transform: uppercase;
}

.site-logo-mark:focus-visible,
.site-branding .custom-logo-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 6px;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-title {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}

.site-title:hover {
    color: var(--accent);
    text-decoration: none;
}

.site-tagline {
    font-size: 0.78rem;
    color: var(--muted);
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Nav */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 20px;
    height: 2px;
    margin: 0 auto;
    background: var(--text);
    border-radius: 1px;
}

.site-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.25rem;
    align-items: center;
}

.site-nav__list a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

.site-nav__list a:hover {
    color: var(--text);
}

@media (min-width: 769px) {
    .site-header__inner {
        flex-wrap: nowrap;
    }

    .site-nav {
        margin-left: auto;
        flex-shrink: 0;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        margin-left: auto;
    }

    .site-nav {
        position: absolute;
        left: 0;
        right: 0;
        top: var(--header-h);
        background: rgba(11, 18, 32, 0.96);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.28s ease;
    }

    .site-nav.is-open {
        max-height: 320px;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.25rem 1.25rem;
        gap: 0;
    }

    .site-nav__list li a {
        display: block;
        padding: 0.65rem 0;
        border-bottom: 1px solid var(--border);
    }
}

/* Sections */
.section {
    padding: 4.5rem 0;
}

.section--alt {
    background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.section--cta {
    padding-bottom: 5rem;
}

.section__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.section__header {
    margin-bottom: 2.5rem;
    max-width: 720px;
}

.section__header h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    letter-spacing: -0.03em;
}

.section__kicker {
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin: 0 0 1rem;
}

/* Hero */
.hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 900px) {
    .hero__grid {
        grid-template-columns: 1.15fr 0.85fr;
    }
}

.hero__title {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 5vw, 2.85rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero__lead {
    margin: 0 0 1.75rem;
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 38rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero__panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.hero__chips {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero__chips li {
    font-family: var(--mono);
    font-size: 0.78rem;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #042f2e;
}

.btn--primary:hover {
    filter: brightness(1.06);
    color: #042f2e;
    text-decoration: none;
}

.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    text-decoration: none;
}

.btn--whatsapp {
    background: #25d366;
    color: #042f2e;
    border-color: transparent;
    font-weight: 700;
}

.btn--whatsapp:hover {
    filter: brightness(1.07);
    color: #042f2e;
    text-decoration: none;
}

.btn--whatsapp-wide {
    width: 100%;
    justify-content: center;
    text-align: center;
    white-space: normal;
    line-height: 1.35;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

/* Typography helpers */
.prose {
    color: var(--muted);
}

.prose p {
    margin: 0 0 1rem;
}

.prose p:last-child {
    margin-bottom: 0;
}

.h3 {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
    color: var(--text);
}

.two-col {
    display: grid;
    gap: 2rem;
}

@media (min-width: 800px) {
    .two-col {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.checklist {
    margin: 0;
    padding: 0 0 0 1.1rem;
    color: var(--muted);
}

.checklist li {
    margin-bottom: 0.65rem;
}

.checklist li::marker {
    color: var(--accent);
}

.callout {
    margin-top: 2.5rem;
    padding: 1.5rem 1.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

/* Cards */
.cards {
    display: grid;
    gap: 1.25rem;
}

.cards--services {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .cards--services {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .cards--services {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cards--team {
    grid-template-columns: 1fr;
}

@media (min-width: 720px) {
    .cards--team {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .cards--team {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.card__title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    color: var(--text);
}

.card__role {
    margin: 0 0 0.65rem;
    font-size: 0.88rem;
    color: var(--accent-2);
    font-weight: 500;
}

.card__text {
    margin: 0;
    font-size: 0.95rem;
    color: var(--muted);
}

.tag-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-list li {
    font-family: var(--mono);
    font-size: 0.7rem;
    padding: 0.3rem 0.55rem;
    border-radius: 6px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    color: var(--muted);
}

/* CTA */
.cta {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.cta__text {
    margin: 0 0 1.5rem;
    color: var(--muted);
}

.cta__channels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.cta__hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

/* Blog / pages narrow */
.site-main--narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 1.25rem 4rem;
}

.post-card {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.post-card__title {
    margin: 0 0 0.5rem;
}

.post-card__title a {
    color: var(--text);
    text-decoration: none;
}

.post-card__title a:hover {
    color: var(--accent);
}

.page-content__title {
    margin-top: 0;
}

.page-content__body {
    color: var(--muted);
}

/* Blog — arquivo e artigo */
.site-main--blog {
    padding: 3rem 0 4.5rem;
}

.blog-archive {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.blog-archive__header {
    margin-bottom: 2rem;
}

.blog-archive__intro {
    margin-top: 1rem;
    max-width: 52rem;
}

.blog-archive__intro p:last-child {
    margin-bottom: 0;
}

.blog-intro {
    margin: 0 0 2rem;
    max-width: 52rem;
}

.blog-intro p:last-child {
    margin-bottom: 0;
}

.blog-archive__title {
    margin: 0 0 0.35rem;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    letter-spacing: -0.03em;
}

.blog-archive__list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.cards--blog-preview {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .cards--blog-preview {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card--blog .card__title {
    margin-bottom: 0.35rem;
}

.card--blog .card__title a {
    color: var(--text);
    text-decoration: none;
}

.card--blog .card__title a:hover {
    color: var(--accent);
}

.card__meta {
    display: block;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 0.65rem;
}

.card__link {
    display: inline-block;
    margin-top: 0.85rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

.card__link:hover {
    text-decoration: underline;
}

.blog-preview__more {
    margin: 2rem 0 0;
    text-align: center;
}

.blog-empty {
    text-align: center;
    max-width: 36rem;
    margin: 0 auto 1rem;
}

/* Parceiros */
.partners__brand {
    margin: 0 0 2rem;
}

.partners__logo-samsung {
    display: block;
    width: auto;
    max-width: min(220px, 70vw);
    height: auto;
}

.partners__cases {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
}

@media (min-width: 800px) {
    .partners__cases {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card__meta--tag {
    color: var(--accent-2);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.navigation.pagination {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.navigation.pagination .nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    justify-content: center;
}

.navigation.pagination a.page-numbers,
.navigation.pagination span.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    min-height: 2.5rem;
    padding: 0 0.65rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.navigation.pagination a.page-numbers:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.navigation.pagination span.page-numbers.current {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--accent);
}

.site-main--single {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 1.25rem 4.5rem;
}

.single-post__header {
    margin-bottom: 2rem;
}

.single-post__back {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
}

.single-post__back a {
    text-decoration: none;
}

.single-post__title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.75rem, 4vw, 2.1rem);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.single-post__content {
    color: var(--muted);
}

.single-post__content h2,
.single-post__content h3 {
    color: var(--text);
    margin-top: 2rem;
}

.single-post__content a {
    color: var(--accent-2);
}

.single-post__content ul,
.single-post__content ol {
    padding-left: 1.25rem;
}

/* Contato — formulário */
.contact-block {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.contact-block__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2rem;
}

.contact-block__header h2 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.contact-block__grid {
    display: grid;
    gap: 2.5rem;
    align-items: start;
}

@media (min-width: 900px) {
    .contact-block__grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.contact-form {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1.5rem 1.35rem;
    box-shadow: var(--shadow);
}

.contact-form__field {
    margin: 0 0 1rem;
}

.contact-form__field label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--text);
}

.contact-form__field input,
.contact-form__field textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
}

.contact-form__field input:focus,
.contact-form__field textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.contact-form__actions {
    margin: 1.25rem 0 0;
}

.contact-form__fineprint {
    margin: 1rem 0 0;
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.5;
}

.contact-form__hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-notice {
    max-width: 640px;
    margin: 0 auto 1.5rem;
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    font-weight: 500;
    text-align: center;
}

.form-notice--success {
    background: rgba(34, 211, 238, 0.12);
    border: 1px solid rgba(34, 211, 238, 0.35);
    color: var(--text);
}

.form-notice--error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.35);
    color: #fecaca;
}

.contact-block__aside .cta__channels--stack {
    flex-direction: column;
    align-items: stretch;
}

.contact-block__aside .btn {
    justify-content: center;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.25rem;
    background: var(--bg-alt);
}

.site-footer__inner {
    max-width: var(--max);
    margin: 0 auto;
    text-align: center;
}

.site-footer__brand {
    margin: 0 0 0.35rem;
}

.site-footer__copy {
    margin: 0;
    font-size: 0.88rem;
    color: var(--muted);
}