/* =============================================================
 *  Fernando Peres & Advogados — Design System
 *  Paleta: azul marinho, azul royal, dourado, off-white
 * ============================================================= */

:root {
    --navy-900: #05091a;
    --navy-800: #0a1633;
    --navy-700: #101f47;
    --navy-600: #16295c;
    --blue-500: #1e3a8a;
    --blue-400: #3b5bcf;
    --gold-500: #c9a24a;
    --gold-400: #e0bf6a;
    --gold-300: #f2d98b;
    --off-white: #f5f5f0;
    --gray-300: #cfd3dd;
    --gray-400: #9aa1b4;
    --gray-500: #6b7390;
    --white: #ffffff;

    --font-serif: "Economica", sans-serif;
    --font-sans:  "Economica", sans-serif;

    --container: 1200px;
    --radius: 6px;
    --transition: 300ms cubic-bezier(.2, .7, .2, 1);
    --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, .6);
    --gradient-gold: linear-gradient(135deg, var(--gold-500), var(--gold-300));
    --gradient-navy: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 40%, var(--navy-700) 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
    font-family: var(--font-sans);
    color: var(--off-white);
    background: var(--navy-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }
.section--dark { background: linear-gradient(180deg, var(--navy-900), var(--navy-800)); }
.section--cta { background: var(--gradient-navy); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-head h2 { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3rem); font-weight: 500; letter-spacing: -.02em; margin-bottom: 12px; }
.section-head h2 strong { color: var(--gold-500); font-weight: 600; }
.section-sub { color: var(--gray-400); font-size: 1.05rem; }

.eyebrow {
    display: inline-block;
    font-size: .75rem;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 16px;
    font-weight: 500;
}
.eyebrow--gold { color: var(--gold-500); }

.muted { color: var(--gray-400); font-size: .9rem; }
.gold { color: var(--gold-500); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px;
    font-size: .875rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase;
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.btn-gold { background: var(--gradient-gold); color: var(--navy-900); box-shadow: 0 10px 30px -10px rgba(201,162,74,.6); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 15px 35px -8px rgba(201,162,74,.8); }
.btn-ghost { border-color: rgba(255,255,255,.25); color: var(--off-white); }
.btn-ghost:hover { border-color: var(--gold-500); color: var(--gold-500); }
.btn-sm { padding: 10px 20px; font-size: .75rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 18px 0;
    background: rgba(5, 9, 26, .75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,.06);
    transition: padding var(--transition), background var(--transition);
}
.site-header.scrolled { padding: 12px 0; background: rgba(5, 9, 26, .95); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
    width: 44px; height: 44px;
    display: grid; place-items: center;
    font-family: var(--font-serif); font-weight: 700; font-size: 1.25rem;
    color: var(--gold-500);
    border: 1.5px solid var(--gold-500);
    letter-spacing: .05em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-serif); font-size: 1.15rem; letter-spacing: .05em; color: var(--off-white); }
.brand-text em { font-style: normal; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gray-400); margin-top: 3px; }

.nav-primary { display: flex; align-items: center; gap: 32px; }
.nav-primary a { font-size: .82rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--gray-300); position: relative; }
.nav-primary a:not(.btn):hover { color: var(--gold-500); }
.nav-primary a:not(.btn)::after {
    content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--gold-500);
    transition: width var(--transition);
}
.nav-primary a:not(.btn):hover::after { width: 100%; }

.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--off-white); transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    position: relative; overflow: hidden;
    padding: 140px 0 80px;
    background: var(--gradient-navy);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid-lines {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .35; }
.hero-glow--1 { width: 500px; height: 500px; background: var(--blue-500); top: -100px; right: -100px; animation: float 12s ease-in-out infinite; }
.hero-glow--2 { width: 400px; height: 400px; background: var(--gold-500); bottom: -80px; left: -80px; opacity: .18; animation: float 15s ease-in-out infinite reverse; }

@keyframes float {
    0%, 100% { transform: translate(0,0); }
    50% { transform: translate(30px, -30px); }
}

.hero-inner { position: relative; z-index: 1; max-width: 900px; }
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6.5vw, 5rem);
    line-height: 1.05; font-weight: 500;
    letter-spacing: -.02em;
    margin-bottom: 28px;
}
.hero-title .line { display: block; opacity: 0; transform: translateY(20px); animation: rise .8s forwards; }
.hero-title .line:nth-child(1) { animation-delay: .1s; }
.hero-title .line:nth-child(2) { animation-delay: .3s; }
.hero-title .line:nth-child(3) { animation-delay: .5s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.hero-sub { font-size: clamp(1rem, 1.6vw, 1.25rem); color: var(--gray-300); max-width: 640px; margin-bottom: 40px; }
.hero-sub strong { color: var(--gold-500); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 80px; }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.1); max-width: 640px; }
.hero-stats dt { font-family: var(--font-serif); font-size: clamp(2rem, 3.5vw, 2.75rem); color: var(--gold-500); font-weight: 600; }
.hero-stats dd { font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gray-400); margin-top: 4px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.about-photo-frame {
    position: relative;
    aspect-ratio: 3/4;
    background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
    border: 1px solid rgba(201,162,74,.25);
    overflow: hidden;
}
.about-photo-frame::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(201,162,74,.15));
    pointer-events: none; z-index: 2;
}
.about-photo-frame img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.3) contrast(1.05); }
.about-photo-placeholder {
    position: absolute; inset: 0; display: grid; place-items: center;
    font-family: var(--font-serif); font-size: 8rem; color: var(--gold-500); opacity: .3;
}
.about-photo-frame::after {
    content: ''; position: absolute; bottom: -14px; right: -14px; width: 80px; height: 80px;
    border-right: 2px solid var(--gold-500); border-bottom: 2px solid var(--gold-500);
}
.about-text h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 500; margin-bottom: 20px; line-height: 1.2; }
.about-text h2 strong { color: var(--gold-500); font-weight: 600; }
.about-text .lead { font-size: 1.1rem; margin-bottom: 20px; font-weight: 500; }
.about-text p { color: var(--gray-300); margin-bottom: 16px; }

/* ---------- Cards (Expertises) ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.card {
    background: linear-gradient(180deg, rgba(30,58,138,.08), rgba(10,22,51,.4));
    border: 1px solid rgba(255,255,255,.06);
    padding: 40px 32px;
    position: relative;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
    overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: var(--gradient-gold);
    transform: scaleX(0); transform-origin: left;
    transition: transform 500ms ease;
}
.card:hover { transform: translateY(-6px); border-color: rgba(201,162,74,.3); background: linear-gradient(180deg, rgba(30,58,138,.15), rgba(10,22,51,.5)); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
    width: 56px; height: 56px;
    display: grid; place-items: center;
    color: var(--gold-500);
    margin-bottom: 24px;
    border: 1px solid rgba(201,162,74,.3);
    border-radius: 4px;
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 600; margin-bottom: 12px; color: var(--off-white); }
.card p { color: var(--gray-400); font-size: .95rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { padding: 40px 32px; background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06); position: relative; }
.step--highlight { background: linear-gradient(160deg, rgba(201,162,74,.12), rgba(201,162,74,.02)); border-color: rgba(201,162,74,.3); }
.step-num { font-family: var(--font-serif); font-size: 3rem; color: var(--gold-500); font-weight: 600; display: block; margin-bottom: 16px; line-height: 1; }
.step h3 { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 600; margin-bottom: 12px; }
.step p { color: var(--gray-400); }

/* ---------- Media ---------- */
.media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.media-card {
    display: flex; flex-direction: column;
    background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}
.media-card:hover { transform: translateY(-4px); border-color: rgba(201,162,74,.3); }
.media-thumb {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--navy-700), var(--blue-500));
    position: relative; display: grid; place-items: center;
}
.media-thumb::before {
    content: '▶'; color: rgba(255,255,255,.85); font-size: 2rem;
    width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center;
    background: rgba(201,162,74,.9); color: var(--navy-900);
    padding-left: 4px;
}
.media-source { position: absolute; top: 12px; left: 12px; background: var(--gold-500); color: var(--navy-900); font-size: .7rem; letter-spacing: .1em; padding: 4px 10px; text-transform: uppercase; font-weight: 700; }
.media-card h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; padding: 20px 20px 8px; flex-grow: 1; }
.media-link { padding: 0 20px 20px; font-size: .8rem; color: var(--gold-500); letter-spacing: .1em; text-transform: uppercase; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.02); transition: border-color var(--transition); }
.faq-item[open] { border-color: rgba(201,162,74,.35); }
.faq-item summary {
    padding: 22px 28px; cursor: pointer; list-style: none;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { color: var(--gold-500); font-size: 1.6rem; line-height: 1; transition: transform var(--transition); }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 28px 24px; color: var(--gray-300); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 64px; align-items: start; }
.contact-info h2 { font-family: var(--font-serif); font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 500; margin-bottom: 16px; }
.contact-info h2 strong { color: var(--gold-500); font-weight: 600; }
.contact-info p { color: var(--gray-300); margin-bottom: 32px; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-list li { color: var(--gray-300); }
.contact-list strong { color: var(--off-white); font-weight: 600; margin-right: 8px; }
.contact-list a:hover { color: var(--gold-500); }

.contact-form { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); padding: 40px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field label { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gray-400); font-weight: 500; }
.field label span { color: var(--gold-500); }
.field input, .field textarea {
    padding: 14px 16px;
    background: var(--navy-900);
    border: 1px solid rgba(255,255,255,.1);
    color: var(--off-white);
    font-family: inherit; font-size: 1rem;
    transition: border-color var(--transition), background var(--transition);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold-500); background: #030616; }
.field textarea { resize: vertical; min-height: 120px; }
.hp { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.form-actions { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.form-actions .muted { text-align: center; }

.alert { padding: 14px 18px; margin-bottom: 20px; font-size: .9rem; border-radius: var(--radius); }
.alert--success { background: rgba(34, 197, 94, .15); color: #4ade80; border: 1px solid rgba(34, 197, 94, .3); }
.alert--error { background: rgba(239, 68, 68, .15); color: #f87171; border: 1px solid rgba(239, 68, 68, .3); }

/* ---------- Footer ---------- */
.site-footer { background: #030616; padding: 80px 0 30px; border-top: 1px solid rgba(255,255,255,.06); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr 1fr; gap: 48px; margin-bottom: 60px; }
.brand--footer { margin-bottom: 20px; }
.site-footer h4 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; color: var(--off-white); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--gray-400); font-size: .9rem; }
.footer-links a:hover { color: var(--gold-500); }
.footer-links li { color: var(--gray-400); font-size: .9rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.06); color: var(--gray-500); flex-wrap: wrap; }

/* ---------- WhatsApp float ---------- */
.wa-float {
    position: fixed; bottom: 24px; right: 24px; z-index: 50;
    width: 56px; height: 56px; border-radius: 50%;
    background: #25D366; color: #fff;
    display: grid; place-items: center;
    box-shadow: 0 10px 30px -5px rgba(37, 211, 102, .6);
    transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .section { padding: 70px 0; }
    .hero { padding: 120px 0 60px; min-height: auto; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }

    .nav-toggle { display: flex; }
    .nav-primary {
        position: fixed; top: 76px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: rgba(5,9,26,.98); backdrop-filter: blur(16px);
        padding: 20px 24px 28px;
        border-bottom: 1px solid rgba(255,255,255,.06);
        transform: translateY(-120%); transition: transform var(--transition);
    }
    .nav-primary.is-open { transform: translateY(0); }
    .nav-primary a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.05); }
    .nav-primary a.btn { margin-top: 12px; border-bottom: none; }
    .nav-primary a:not(.btn)::after { display: none; }
}
@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; }
    .field-row { grid-template-columns: 1fr; }
    .contact-form { padding: 28px 22px; }
    .hero-stats dt { font-size: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}