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

html {
    scroll-behavior: smooth;
}

:root {
    --header-height: 72px;
    --blue: #3b82f6;
    --blue-dark: #2563eb;
    --blue-dim: rgba(59, 130, 246, 0.15);
    --blue-border: rgba(59, 130, 246, 0.25);
    --bg: #060608;
    --bg-card: #0d0f14;
    --bg-card-2: #111520;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(59, 130, 246, 0.4);
    --text: #e8eaf0;
    --text-muted: #6b7280;
    --text-dim: #9ca3af;
    --white: #ffffff;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* =========================
   BACKGROUND GRID
========================= */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* =========================
   CURSOR GLOW
========================= */
#cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    transition: left 0.15s ease, top 0.15s ease;
}

/* =========================
   HEADER
========================= */
header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: rgba(6, 6, 8, 0.88);
    backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

#logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-dot {
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 8px var(--blue);
}

#logo h3 {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.3px;
}

#nav ul {
    list-style: none;
    display: flex;
    gap: 36px;
}

#nav a {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.2px;
    transition: color 0.2s;
    position: relative;
}

#nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--blue);
    transition: width 0.25s;
}

#nav a:hover,
#nav a.active {
    color: var(--white);
}

#nav a:hover::after,
#nav a.active::after {
    width: 100%;
}

.header-cta {
    background: var(--blue);
    color: var(--white);
    text-decoration: none;
    padding: 0.55rem 1.2rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.2s, transform 0.2s;
}

.header-cta:hover {
    background: var(--blue-dark);
    transform: translateY(-1px);
}

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

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}

.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE MENU */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(6,6,8,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    transform: translateY(-110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    transform: translateY(0);
}

.mobile-menu ul {
    list-style: none;
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-menu a {
    display: block;
    padding: 0.75rem 0;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--white); }

/* =========================
   SECTION BASE
========================= */
section {
    position: relative;
    z-index: 1;
    padding: calc(var(--header-height) + 80px) 8% 100px;
    scroll-margin-top: var(--header-height);
}

.section-label {
    font-family: 'Syne', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 1.5rem;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
    text-align: left;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 500px;
}

/* =========================
   REVEAL ANIMATION
========================= */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================
   HOME
========================= */
#home {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: var(--header-height);
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 8%;
    padding-right: 8%;
}

.home-glow {
    position: absolute;
    top: 10%;
    left: -10%;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

.home-content {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59,130,246,0.08);
    border: 1px solid rgba(59,130,246,0.2);
    color: var(--blue);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    margin-bottom: 2rem;
    letter-spacing: 0.3px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 6px #22c55e;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--blue) 0%, #60a5fa 50%, #93c5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 580px;
    margin-bottom: 2.5rem;
}

.hero-sub strong {
    color: var(--text-dim);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue);
    color: var(--white);
    text-decoration: none;
    padding: 0.85rem 1.8rem;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59,130,246,0.35);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-dim);
    text-decoration: none;
    padding: 0.85rem 1.8rem;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-num {
    font-family: 'Syne', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--blue), transparent);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

.scroll-indicator span {
    font-size: 0.65rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* =========================
   SOBRE
========================= */
#sobre {
    max-width: 1200px;
    margin: 0 auto;
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.sobre-text h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.sobre-text h2 span {
    color: var(--blue);
}

.sobre-text p {
    color: var(--text-muted);
    line-height: 1.85;
    font-size: 1.05rem;
    margin-bottom: 1rem;
}

.sobre-text p strong {
    color: var(--text-dim);
    font-weight: 500;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    transition: border-color 0.25s, transform 0.25s, background 0.25s;
    cursor: default;
}

.skill-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    background: var(--bg-card-2);
}

.skill-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--blue);
}

.skill-card span {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-weight: 500;
}

.skill-card--cta {
    border-color: var(--blue-border);
    background: var(--blue-dim);
}

.skill-card--cta span {
    color: var(--blue);
    font-size: 0.78rem;
}

/* =========================
   SERVIÇOS
========================= */
#servico {
    max-width: 1200px;
    margin: 0 auto;
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.servico-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.3s;
}

.servico-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.servico-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59,130,246,0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.servico-card:hover::before {
    opacity: 1;
}

.servico-number {
    font-family: 'Syne', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(59,130,246,0.08);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
}

.servico-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-dim);
    border: 1px solid var(--blue-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    transition: background 0.3s;
}

.servico-card:hover .servico-icon {
    background: rgba(59,130,246,0.22);
}

.servico-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--blue);
}

.servico-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}

.servico-card > p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.servico-card ul {
    list-style: none;
}

.servico-card li {
    color: var(--text-dim);
    font-size: 0.875rem;
    padding: 0.5rem 0;
    padding-left: 1.2rem;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.servico-card li:last-child { border-bottom: none; }

.servico-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--blue);
}

.servico-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--blue), transparent);
    transition: width 0.4s;
}

.servico-card:hover .servico-line {
    width: 100%;
}

/* =========================
   PORTFÓLIO
========================= */
#portfolio {
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.projeto-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 260px;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.projeto-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59,130,246,0.04), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
}

.projeto-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.projeto-card:hover::after {
    opacity: 1;
}

.projeto-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.projeto-tag {
    background: var(--blue-dim);
    border: 1px solid var(--blue-border);
    color: var(--blue);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    letter-spacing: 0.3px;
}

.projeto-link-icon {
    color: var(--text-muted);
    transition: color 0.2s, transform 0.2s;
}

.projeto-card:hover .projeto-link-icon {
    color: var(--blue);
    transform: translate(3px, -3px);
}

.projeto-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.projeto-card p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
    flex: 1;
}

.projeto-stack {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}

.projeto-stack span {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 0.25rem 0.7rem;
    border-radius: 6px;
    font-weight: 400;
}

/* =========================
   CONTATO
========================= */
#contato {
    max-width: 1200px;
    margin: 0 auto;
}

.contato-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.contato-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: border-color 0.3s, transform 0.3s;
}

.contato-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.contato-icon {
    width: 50px;
    height: 50px;
    background: var(--blue-dim);
    border: 1px solid var(--blue-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.contato-card:hover .contato-icon {
    background: rgba(59,130,246,0.22);
}

.contato-icon svg {
    width: 22px;
    height: 22px;
    color: var(--blue);
}

.contato-info h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.4rem;
}

.contato-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.contato-action {
    font-size: 0.875rem;
    color: var(--blue);
    font-weight: 500;
    transition: gap 0.2s;
}

/* =========================
   FOOTER
========================= */
footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    background: var(--bg);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 8%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    color: var(--white);
    font-size: 0.95rem;
}

footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

/* =========================
   RESPONSIVO
========================= */
@media (max-width: 1024px) {
    .sobre-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .servicos-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    section {
        padding-left: 6%;
        padding-right: 6%;
    }

    #nav, .header-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .servicos-grid,
    .portfolio-grid,
    .contato-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .stat-divider { display: none; }

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

    .footer-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .scroll-indicator { display: none; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.4rem;
        letter-spacing: -1px;
    }

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

    .btn-primary, .btn-ghost {
        width: 100%;
        justify-content: center;
    }
}