:root {
    --primary: #00bcd4;     /* logo colour */
    --primary-dark: #0097a7;
    --bg: #050811;
    --bg-elevated: #0c101c;
    --text: #f4f7fb;
    --muted: #a4afc4;
    --accent: #ffffff;
}

/* RESET / BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #07101f 0, #02040a 45%, #000000 100%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* HEADER */

header {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(2,4,10,0.9);
    backdrop-filter: blur(18px);
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 52px;
    height: 52px;
}

.brand-name {
    font-weight: 600;
    letter-spacing: 0.16em;
    font-size: 0.9rem;
}

.brand-tagline {
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.nav-main a {
    position: relative;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-main a:hover {
    background: rgba(0,188,212,0.14);
    transform: translateY(-1px);
}

.nav-main a.btn-primary {
    padding: 0.4rem 0.9rem;
}

/* Secondary pages nav: only Início button */

.nav-secondary {
    margin-left: auto;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 999px;
    border: none;
    color: #fff;
    padding: 0.5rem 1.3rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    box-shadow: 0 0 22px rgba(0,188,212,0.35);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
    box-shadow: 0 0 32px rgba(0,188,212,0.55);
}

/* MAIN LAYOUT */

main {
    flex: 1;
}

/* HERO */

.hero {
    padding: 3rem 0 2.25rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.3fr);
    gap: 2.5rem;
    align-items: center;
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.32em;
    font-size: 0.7rem;
    color: var(--muted);
    margin-bottom: 0.85rem;
}

.hero-title {
    font-size: clamp(2.3rem, 4vw, 2.9rem);
    line-height: 1.12;
    margin-bottom: 1rem;
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 0.98rem;
    max-width: 32rem;
    color: var(--muted);
    margin-bottom: 1.6rem;
}

.hero-meta {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--muted);
}

.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.pill {
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    padding: 0.3rem 0.7rem;
}

.hero-visual {
    justify-self: center;
    position: relative;
}

.hero-orbit {
    width: min(320px, 80vw);
    aspect-ratio: 1/1;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(0,188,212,0.28), transparent 55%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
}

.hero-orbit::before,
.hero-orbit::after {
    content: "";
    position: absolute;
    border-radius: inherit;
    border: 1px solid rgba(0,188,212,0.35);
    inset: 6%;
}

.hero-orbit::after {
    inset: 18%;
    border-style: dashed;
    opacity: 0.7;
}

.hero-logo {
    width: 70%;
    filter: drop-shadow(0 0 18px rgba(0,188,212,0.75));
}

/* SECTION GENERIC */

.section {
    padding: 1rem 0 3rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.section-title {
    font-size: 1.3rem;
}

.section-subtitle {
    font-size: 0.85rem;
    color: var(--muted);
}

/* SERVICES GRID */

.grid {
    display: grid;
    gap: 1.4rem;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
    background: radial-gradient(circle at top left, rgba(0,188,212,0.22), rgba(4,9,24,0.95));
    border-radius: 1.3rem;
    padding: 1.4rem 1.3rem 1.3rem;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 20px 40px rgba(0,0,0,0.55);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(0,188,212,0.18), transparent 55%);
    opacity: 0.85;
    mix-blend-mode: screen;
    pointer-events: none;
}

.card-title {
    font-size: 1rem;
    margin-bottom: 0.6rem;
}

.card-body {
    font-size: 0.87rem;
    color: var(--muted);
}

.badge {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--muted);
    margin-bottom: 0.7rem;
}

/* HIGHLIGHT BAR */

.highlight-bar {
    margin-top: 2rem;
    padding: 0.9rem 1.1rem;
    border-radius: 1rem;
    border: 1px dashed rgba(0,188,212,0.6);
    font-size: 0.8rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

/* ABOUT PAGE */

.page-header {
    padding: 2.4rem 0 1.4rem;
}

.page-title {
    font-size: 1.8rem;
    margin-bottom: 0.4rem;
}

.breadcrumb {
    font-size: 0.8rem;
    color: var(--muted);
}

.page-content {
    padding-bottom: 3rem;
    max-width: 760px;
}

.page-content p {
    margin-bottom: 0.9rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.page-content ul {
    padding-left: 1.2rem;
    margin-bottom: 0.9rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.page-content li {
    margin-bottom: 0.4rem;
}

/* CONTACTS */

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 2.2rem;
    align-items: flex-start;
    padding-bottom: 3rem;
}

.contact-card {
    background: var(--bg-elevated);
    border-radius: 1.2rem;
    padding: 1.3rem 1.4rem 1.5rem;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

.contact-card h2 {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 0.7rem;
}

.contact-list {
    list-style: none;
    margin-top: 0.4rem;
    font-size: 0.9rem;
}

.contact-list li {
    margin-bottom: 0.35rem;
}

/* simple form */

.form-grid {
    display: grid;
    gap: 0.8rem;
    margin-top: 0.7rem;
}

label {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.2rem;
    display: block;
}

input, textarea {
    width: 100%;
    background: #050814;
    border-radius: 0.7rem;
    border: 1px solid rgba(255,255,255,0.08);
    padding: 0.55rem 0.7rem;
    font-size: 0.85rem;
    color: var(--text);
    outline: none;
}

input:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(0,188,212,0.4);
}

textarea {
    min-height: 130px;
    resize: vertical;
}

/* LEGAL PAGE */

.legal-section {
    margin-bottom: 1.2rem;
}

.legal-section h2 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

.small {
    font-size: 0.8rem;
}

/* FOOTER & COOKIE BAR */

footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    background: #050814;
    padding: 1rem 0 2.8rem; /* extra space: cookie bar */
    margin-top: 2rem;
    font-size: 0.8rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--muted);
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--muted);
}

.cookie-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(2,4,10,0.96);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 0.8rem 0;
    z-index: 50;
    font-size: 0.8rem;
}

.cookie-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
    color: var(--muted);
}

.cookie-inner a {
    text-decoration: underline;
    color: var(--primary);
}

.cookie-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.cookie-btn {
    border-radius: 999px;
    padding: 0.3rem 0.9rem;
    border: 1px solid rgba(255,255,255,0.16);
    background: transparent;
    color: var(--text);
    font-size: 0.8rem;
    cursor: pointer;
}

.cookie-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: #fff;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 2.3rem;
    }

    .contact-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .header-inner {
        flex-wrap: wrap;
    }

    .nav-main {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    .grid-3 {
        grid-template-columns: minmax(0, 1fr);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-actions {
        margin-left: 0;
    }
}