/* ============================================
   Daniel Hiroyuki Watanabe — Portfolio Site
   Meta Tech Provider
   ============================================ */

:root {
    --bg-dark: #0a0a1a;
    --bg-section: #0f0f23;
    --bg-card: #161630;
    --bg-card-hover: #1c1c42;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-muted: #6b6b8d;
    --accent: #0084FF;
    --accent-light: #339dff;
    --accent-dark: #0066cc;
    --whatsapp: #25D366;
    --linkedin: #0A66C2;
    --border: rgba(255, 255, 255, 0.06);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Navbar ---- */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(12px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.btn-nav {
    background: var(--accent) !important;
    color: var(--text-primary) !important;
    padding: 8px 20px !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
}

.btn-nav:hover {
    background: var(--accent-light) !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 132, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ---- Hero ---- */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 132, 255, 0.12);
    border: 1px solid rgba(0, 132, 255, 0.3);
    border-radius: 100px;
    color: var(--accent-light);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--accent-light);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: -20%;
    width: 70%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 132, 255, 0.08) 0%, transparent 70%);
    z-index: 1;
}

/* ---- Sections ---- */

.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* ---- Sobre ---- */

.sobre {
    background: var(--bg-section);
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.sobre-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.sobre-text strong {
    color: var(--text-primary);
}

.sobre-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.stat:hover {
    border-color: rgba(0, 132, 255, 0.3);
    transform: translateX(4px);
}

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(0, 132, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.stat div strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 2px;
}

.stat div span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---- Services ---- */

.servicos {
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    padding: 36px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    border-color: rgba(0, 132, 255, 0.3);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(0, 132, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ---- Diferenciais ---- */

.diferenciais {
    background: var(--bg-section);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.diff-card {
    padding: 36px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.diff-card:hover {
    border-color: rgba(0, 132, 255, 0.3);
    transform: translateY(-4px);
}

.diff-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(0, 132, 255, 0.15);
    line-height: 1;
    margin-bottom: 16px;
}

.diff-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.diff-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ---- Contato ---- */

.contato {
    background: var(--bg-dark);
}

.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contato-info > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.contato-channels {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.contato-channel {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.contato-channel.whatsapp {
    color: var(--whatsapp);
}

.contato-channel.whatsapp:hover {
    background: rgba(37, 211, 102, 0.08);
    border-color: rgba(37, 211, 102, 0.3);
    transform: translateX(4px);
}

.contato-channel.linkedin {
    color: var(--linkedin);
}

.contato-channel.linkedin:hover {
    background: rgba(10, 102, 194, 0.08);
    border-color: rgba(10, 102, 194, 0.3);
    transform: translateX(4px);
}

.contato-channel.email {
    color: var(--accent);
}

.contato-channel.email:hover {
    background: rgba(0, 132, 255, 0.08);
    border-color: rgba(0, 132, 255, 0.3);
    transform: translateX(4px);
}

.contato-channel strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.contato-channel span {
    font-size: 0.85rem;
    opacity: 0.7;
}

.contato-location {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ---- Form ---- */

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 132, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ---- Footer ---- */

.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

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

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        z-index: 99;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .mobile-toggle {
        display: flex;
        z-index: 101;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .sobre-grid,
    .contato-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .section {
        padding: 72px 0;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .service-card,
    .diff-card {
        padding: 24px;
    }
}