/* ============================================================
   P3 Sistemas - Design System v2 (2026)
   Paleta azul, tipografia moderna, layout responsivo
   ============================================================ */

:root {
    /* Brand */
    --p3-blue-900: #0B2447;
    --p3-blue-800: #102E5F;
    --p3-blue-700: #19376D;
    --p3-blue-600: #1E4A9E;
    --p3-blue-500: #2563EB;
    --p3-blue-400: #3B82F6;
    --p3-blue-300: #93C5FD;
    --p3-blue-100: #DBEAFE;
    --p3-cyan-500: #06B6D4;
    --p3-cyan-400: #22D3EE;

    /* Neutral */
    --p3-bg: #F8FAFC;
    --p3-bg-alt: #F1F5F9;
    --p3-surface: #FFFFFF;
    --p3-text: #0F172A;
    --p3-text-soft: #334155;
    --p3-muted: #64748B;
    --p3-border: #E2E8F0;
    --p3-border-strong: #CBD5E1;

    /* Semantic */
    --p3-success: #10B981;
    --p3-warning: #F59E0B;
    --p3-danger: #EF4444;

    /* Layout */
    --p3-radius-sm: 6px;
    --p3-radius: 10px;
    --p3-radius-lg: 16px;
    --p3-radius-xl: 24px;
    --p3-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --p3-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    --p3-shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --p3-shadow-blue: 0 12px 28px rgba(37, 99, 235, 0.25);

    --p3-container: 1200px;

    /* Type */
    --p3-font: "Inter", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --p3-font-display: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;

    /* Easing */
    --p3-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--p3-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--p3-text);
    background: var(--p3-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--p3-blue-500);
    text-decoration: none;
    transition: color .2s var(--p3-ease);
}
a:hover { color: var(--p3-blue-700); }

h1, h2, h3, h4, h5 {
    font-family: var(--p3-font-display);
    font-weight: 700;
    color: var(--p3-blue-900);
    line-height: 1.2;
    margin: 0 0 0.5em;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin: 0 0 1em; color: var(--p3-text-soft); }

.container {
    width: 100%;
    max-width: var(--p3-container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    padding: 0.85em 1.6em;
    border-radius: var(--p3-radius);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    border: none;
    transition: transform .15s var(--p3-ease), box-shadow .2s var(--p3-ease), background .2s var(--p3-ease);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--p3-blue-500), var(--p3-blue-700));
    color: #fff;
    box-shadow: var(--p3-shadow-blue);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(37, 99, 235, 0.35);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--p3-blue-700);
    border: 1.5px solid var(--p3-border-strong);
}
.btn-ghost:hover {
    border-color: var(--p3-blue-500);
    color: var(--p3-blue-500);
}

.btn-light {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-light:hover { background: rgba(255, 255, 255, 0.25); color: #fff; }

/* ---------- Top Bar ---------- */
.topbar {
    background: var(--p3-blue-900);
    color: #CBD5E1;
    font-size: 0.85rem;
    padding: 8px 0;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.topbar a { color: #CBD5E1; }
.topbar a:hover { color: #fff; }
.topbar .icon { margin-right: 6px; color: var(--p3-cyan-400); }

/* ---------- Header / Nav ---------- */
.site-header {
    background: #fff;
    box-shadow: var(--p3-shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--p3-border);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}
.brand img { height: 44px; width: auto; }

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.brand-main {
    font-family: var(--p3-font-display);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--p3-blue-900);
    letter-spacing: -0.02em;
}
.brand-sub {
    font-family: var(--p3-font);
    font-weight: 600;
    font-size: 0.72rem;
    color: var(--p3-blue-500);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-top: 5px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.main-nav a {
    color: var(--p3-text-soft);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
}
.main-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background: var(--p3-blue-500);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s var(--p3-ease);
}
.main-nav a:hover { color: var(--p3-blue-700); }
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--p3-blue-900) 0%, var(--p3-blue-700) 55%, var(--p3-blue-500) 100%);
    color: #fff;
    overflow: hidden;
    padding: 100px 0 120px;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(34, 211, 238, 0.25), transparent 50%),
        radial-gradient(circle at 10% 90%, rgba(147, 197, 253, 0.15), transparent 45%);
    pointer-events: none;
}
.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--p3-blue-100);
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}
.hero h1 {
    color: #fff;
    margin-bottom: 24px;
}
.hero h1 span {
    background: linear-gradient(120deg, var(--p3-cyan-400), #fff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-lead {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 540px;
    margin-bottom: 36px;
}
.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-art {
    position: relative;
    aspect-ratio: 1 / 1;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--p3-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 6rem;
    backdrop-filter: blur(12px);
}

/* ---------- Section ---------- */
.section {
    padding: 96px 0;
}
.section-alt {
    background: var(--p3-bg-alt);
}
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}
.section-eyebrow {
    display: inline-block;
    color: var(--p3-blue-500);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-head h2 { margin-bottom: 16px; }
.section-head p {
    font-size: 1.05rem;
    color: var(--p3-muted);
}

/* ---------- Stats ---------- */
.stats {
    background: #fff;
    border-radius: var(--p3-radius-xl);
    box-shadow: var(--p3-shadow);
    padding: 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: -80px;
    position: relative;
    z-index: 5;
}
.stat {
    text-align: center;
}
.stat-num {
    font-family: var(--p3-font-display);
    font-size: 2.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--p3-blue-700), var(--p3-blue-500));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 6px;
}
.stat-label {
    color: var(--p3-muted);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ---------- Services grid ---------- */
.grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.service-card {
    background: #fff;
    border: 1px solid var(--p3-border);
    border-radius: var(--p3-radius-lg);
    padding: 36px 28px;
    transition: transform .25s var(--p3-ease), box-shadow .25s var(--p3-ease), border-color .25s var(--p3-ease);
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--p3-shadow-lg);
    border-color: transparent;
}
.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--p3-radius);
    background: linear-gradient(135deg, var(--p3-blue-100), var(--p3-blue-300));
    color: var(--p3-blue-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 8px;
}
.service-card h3 {
    margin: 0;
    font-size: 1.25rem;
}
.service-card p {
    margin: 0;
    color: var(--p3-muted);
    font-size: 0.95rem;
    flex-grow: 1;
}
.service-card a {
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.service-card a:hover { gap: 10px; }

/* ---------- About / Sobre ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
}
.about-text .section-eyebrow {
    display: inline-block;
    margin-bottom: 12px;
}
.about-text h2 {
    margin-bottom: 24px;
    max-width: 560px;
}
.about-text p {
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 16px;
    color: var(--p3-text-soft);
}
.about-text strong {
    color: var(--p3-blue-900);
    font-weight: 700;
}

.about-pillars {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.pillar {
    background: #fff;
    border: 1px solid var(--p3-border);
    border-radius: var(--p3-radius-lg);
    padding: 24px 22px;
    transition: transform .25s var(--p3-ease), box-shadow .25s var(--p3-ease), border-color .25s var(--p3-ease);
}
.pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--p3-shadow);
    border-color: transparent;
}
.pillar-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--p3-radius);
    background: linear-gradient(135deg, var(--p3-blue-500), var(--p3-blue-700));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}
.pillar h4 {
    font-size: 1.05rem;
    margin: 0 0 6px;
    color: var(--p3-blue-900);
}
.pillar p {
    font-size: 0.88rem;
    color: var(--p3-muted);
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 960px) {
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 480px) {
    .about-pillars { grid-template-columns: 1fr; }
}

/* ---------- Process steps ---------- */
.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    counter-reset: process;
}
.process-step {
    text-align: center;
    padding: 32px 16px;
    position: relative;
    counter-increment: process;
}
.process-step::before {
    content: counter(process, decimal-leading-zero);
    display: block;
    font-family: var(--p3-font-display);
    font-size: 3rem;
    font-weight: 800;
    color: var(--p3-blue-100);
    line-height: 1;
    margin-bottom: 16px;
}
.process-step h4 {
    color: var(--p3-blue-900);
    margin-bottom: 8px;
}
.process-step p {
    font-size: 0.9rem;
    color: var(--p3-muted);
    margin: 0;
}

/* ---------- Testimonials ---------- */
.testi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.testi-card {
    background: #fff;
    border-radius: var(--p3-radius-lg);
    padding: 32px;
    box-shadow: var(--p3-shadow-sm);
    border: 1px solid var(--p3-border);
    position: relative;
}
.testi-card::before {
    content: "\201C";
    position: absolute;
    top: 10px;
    right: 24px;
    font-family: Georgia, serif;
    font-size: 5rem;
    color: var(--p3-blue-100);
    line-height: 1;
}
.testi-card blockquote {
    margin: 0 0 20px;
    font-size: 0.98rem;
    color: var(--p3-text-soft);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}
.testi-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testi-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--p3-blue-500), var(--p3-blue-700));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}
.testi-name {
    font-weight: 600;
    color: var(--p3-blue-900);
    font-size: 0.95rem;
}
.testi-role {
    color: var(--p3-muted);
    font-size: 0.85rem;
}

/* ---------- Blog cards ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.blog-card {
    background: #fff;
    border-radius: var(--p3-radius-lg);
    overflow: hidden;
    border: 1px solid var(--p3-border);
    transition: transform .25s var(--p3-ease), box-shadow .25s var(--p3-ease);
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--p3-shadow-lg);
}
.blog-card-image {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--p3-blue-700), var(--p3-blue-500));
    position: relative;
    overflow: hidden;
}
.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.blog-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}
.blog-tag {
    display: inline-block;
    background: var(--p3-blue-100);
    color: var(--p3-blue-700);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    align-self: flex-start;
}
.blog-card h3 {
    font-size: 1.1rem;
    margin: 0;
}
.blog-card p {
    font-size: 0.9rem;
    color: var(--p3-muted);
    margin: 0;
}
.blog-meta {
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--p3-muted);
}

/* ---------- CTA banner ---------- */
.cta-banner {
    background: linear-gradient(135deg, var(--p3-blue-900) 0%, var(--p3-blue-700) 100%);
    color: #fff;
    border-radius: var(--p3-radius-xl);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(34, 211, 238, 0.3), transparent 60%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: #fff; }
.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--p3-blue-900);
    color: #CBD5E1;
    padding: 72px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: 48px;
}
.footer-logo {
    margin-bottom: 18px;
    line-height: 1;
}
.footer-logo-main {
    font-family: var(--p3-font-display);
    font-weight: 800;
    font-size: 1.85rem;
    letter-spacing: -0.02em;
    color: #fff;
}
.footer-logo-sub {
    font-family: var(--p3-font);
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--p3-cyan-400);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-top: 8px;
}
.footer-brand p {
    color: #94A3B8;
    font-size: 0.9rem;
    max-width: 280px;
}
.footer-contato ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.55;
    margin-bottom: 16px;
    font-size: 0.88rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}
.footer-contato ul li:last-child { margin-bottom: 0; }
.footer-contato ul li > i {
    color: var(--p3-cyan-400);
    width: 18px;
    flex-shrink: 0;
    margin-top: 5px;
    text-align: center;
    font-size: 0.95rem;
}
.footer-contato ul li > span {
    flex: 1;
    min-width: 0;
    color: #CBD5E1;
}
.footer-col h5 {
    color: #fff;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: #CBD5E1;
    font-size: 0.9rem;
}
.footer-col a:hover { color: var(--p3-cyan-400); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 56px;
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #64748B;
}
.social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}
.social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .2s var(--p3-ease), color .2s var(--p3-ease);
}
.social a:hover {
    background: var(--p3-blue-500);
    color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero { padding: 72px 0 96px; }
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-art { max-width: 360px; }
    .stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 32px;
        margin-top: -60px;
    }
    .process { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .main-nav { display: none; }
    .nav-toggle { display: inline-flex; }
    .cta-banner { padding: 40px 24px; }
    .section { padding: 64px 0; }
}

@media (max-width: 560px) {
    .stats { grid-template-columns: 1fr 1fr; gap: 16px; padding: 24px; }
    .stat-num { font-size: 2rem; }
    .process { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-cta .btn { width: 100%; justify-content: center; }
}