/* 
   Fácil Consultoria — "Architectural Authority"
   Mobile-first · Desktop-enhanced
*/

/* ===== DESIGN TOKENS ===== */
:root {
    --primary: #041534;
    --primary-light: #1b2a4a;
    --secondary: #586062;
    --accent: #3195f5;
    --accent-glow: rgba(49, 149, 245, 0.25);

    --surface: #f7f9fb;
    --surface-dim: #f2f4f6;
    --surface-bright: #ffffff;
    --on-surface: #191c1e;
    --ghost-border: rgba(197, 198, 207, 0.18);

    --font-display: 'Manrope', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --radius-sm: 0.75rem;
    --radius-md: 1.25rem;
    --radius-lg: 2rem;
    --radius-pill: 100px;

    --section-pad: clamp(4rem, 10vw, 10rem);
    --container-pad: 1.25rem;
}

@media (min-width: 768px) {
    :root { --container-pad: 3rem; }
}
@media (min-width: 1200px) {
    :root { --container-pad: 4rem; }
}

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

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

body {
    background: var(--surface);
    color: var(--on-surface);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }

/* ===== NOISE TEXTURE ===== */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
    pointer-events: none;
    z-index: 100;
    opacity: 0.5;
}

/* ===== CUSTOM CURSOR (Desktop only) ===== */
@media (hover: hover) and (pointer: fine) {
    body { cursor: none; }
    a, button, input, [role="button"] { cursor: none; }

    #custom-cursor {
        position: fixed;
        width: 18px;
        height: 18px;
        background: var(--accent);
        border-radius: 50%;
        pointer-events: none;
        z-index: 10001;
        mix-blend-mode: difference;
        transition: transform 0.15s ease-out, opacity 0.3s;
        transform: translate(-50%, -50%);
        will-change: transform;
    }
    #custom-cursor.hover {
        transform: translate(-50%, -50%) scale(3);
        background: #fff;
    }
}

@media (hover: none), (pointer: coarse) {
    #custom-cursor { display: none !important; }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--primary);
}

h1 { font-size: clamp(2rem, 6vw, 4rem); }
h2 { font-size: clamp(1.75rem, 4.5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.eyebrow {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

section {
    padding-top: var(--section-pad);
    padding-bottom: var(--section-pad);
}

/* ===== NAVIGATION ===== */
.nav-wrapper {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - 2rem);
    max-width: 900px;
}

nav {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--ghost-border);
    border-radius: var(--radius-md);
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.4s;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 48px;
    width: auto;
    transition: transform 0.3s;
}

.logo:hover img {
    transform: scale(1.05);
}

/* Desktop nav links */
.nav-links {
    display: none;
    gap: 2rem;
}

.nav-links a, .dropbtn {
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary);
    transition: color 0.3s;
    cursor: pointer;
}
.nav-links a:hover, .dropdown:hover .dropbtn { color: var(--accent); }

/* Desktop Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.1);
    z-index: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 10px;
}
.dropdown-content a {
    color: var(--primary);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-transform: none;
    font-size: 0.85rem;
    letter-spacing: normal;
}
.dropdown-content a:hover {
    background-color: var(--surface-dim);
    color: var(--accent);
}
.dropdown:hover .dropdown-content {
    display: block;
}

.nav-cta {
    display: none;
    background: var(--primary);
    color: #fff;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: transform 0.3s, box-shadow 0.3s;
    white-space: nowrap;
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(4, 21, 52, 0.2);
}

/* Hamburger toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 10;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    transition: opacity 0.4s;
}
.mobile-menu.active {
    display: flex;
    opacity: 1;
}
.mobile-menu a, .mobile-menu span {
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    transition: color 0.3s;
}
.mobile-menu a:hover, .mobile-menu span:hover { color: var(--accent); }

/* Mobile Dropdown */
.mobile-dropdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
.mobile-dropdown-content {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    width: 100%;
    padding-bottom: 0.5rem;
}
.mobile-dropdown-content a {
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 500;
}
.mobile-dropdown.open .mobile-dropdown-content {
    display: flex;
}

.mobile-menu .mobile-cta {
    margin-top: 1rem;
    background: var(--accent);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Desktop Nav Dropdown */
.nav-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    cursor: pointer;
}

.nav-dropdown-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 0.75rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: 1000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.nav-dropdown:hover .nav-dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-content a {
    display: block;
    padding: 0.6rem 1.5rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-dropdown-content a:hover {
    color: #fff;
    background: rgba(49, 149, 245, 0.15);
    padding-left: 1.75rem;
}

/* Desktop: show full nav */
@media (min-width: 769px) {
    nav { border-radius: var(--radius-pill); padding: 0.6rem 1rem 0.6rem 2rem; }
    .nav-links { display: flex; }
    .nav-cta { display: inline-block; }
    .menu-toggle { display: none; }
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    position: relative;
    color: #fff;
    overflow: hidden;
}

/* Video Background */
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* Gradient overlay */
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(4, 21, 52, 0.88) 0%,
        rgba(4, 21, 52, 0.75) 50%,
        rgba(0, 23, 48, 0.92) 100%
    );
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    padding-top: 6rem;
    padding-bottom: 4rem;
}

.hero-content { max-width: 800px; }

.hero .eyebrow { color: var(--accent); }

.hero h1 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.35rem);
    font-weight: 300;
    opacity: 0.85;
    margin-bottom: 2.5rem;
    max-width: 580px;
    line-height: 1.6;
}

.hero-btns {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 480px) {
    .hero-btns { flex-direction: row; gap: 1rem; }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: none;
    transition: transform 0.35s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.35s;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    box-shadow: 0 12px 30px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* ===== SERVICES ===== */
.services-header {
    text-align: center;
    margin-bottom: 3rem;
}
.services-header h2 { margin-bottom: 0.5rem; }

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .services-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}

@media (min-width: 1100px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        max-width: 900px;
        margin: 0 auto;
    }
}

.service-card {
    background: var(--surface-dim);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

@media (min-width: 768px) {
    .service-card { padding: 3rem; }
}

.service-card:hover {
    background: var(--surface-bright);
    border-color: var(--ghost-border);
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.04);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-card h3 { margin-bottom: 0.75rem; }

.service-card p {
    color: var(--secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== DETAILED SERVICES ===== */
.detailed-services {
    background: var(--surface);
    position: relative;
    padding-top: 2rem;
}

.detailed-services-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.detailed-service-row {
    background: var(--surface-dim);
    border: 1px solid var(--ghost-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

@media (min-width: 768px) {
    .detailed-service-row {
        flex-direction: row;
        padding: 3.5rem;
        gap: 3rem;
        align-items: flex-start;
    }
}

.detailed-service-row:hover {
    background: var(--surface-bright);
    box-shadow: 0 20px 40px rgba(0,0,0,0.03);
    transform: translateY(-4px);
}

.ds-icon {
    width: 64px;
    height: 64px;
    background: var(--primary);
    color: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ds-icon svg {
    width: 32px;
    height: 32px;
}

.ds-content h3 {
    margin-bottom: 1rem;
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
}

.ds-content p {
    color: var(--secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.ds-coming-soon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(49, 149, 245, 0.08);
    border: 1px dashed rgba(49, 149, 245, 0.4);
    border-radius: var(--radius-pill);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s;
}

.ds-coming-soon svg {
    width: 18px;
    height: 18px;
}

.ds-coming-soon:hover {
    background: rgba(49, 149, 245, 0.15);
    transform: translateY(-2px);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--surface-dim);
    position: relative;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    padding: 2.5rem 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.8);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .testimonial-card { padding: 4rem 5rem; }
}

.testimonial-text {
    font-size: clamp(1.2rem, 3vw, 2rem);
    line-height: 1.35;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 300;
    font-style: italic;
}

.testimonial-author strong {
    display: block;
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--primary);
}
.testimonial-author p {
    font-size: 0.8rem;
    color: var(--secondary);
    margin-top: 0.25rem;
}

/* ===== CONTACT ===== */
#contato {
    text-align: center;
}

.contact-inner {
    max-width: 600px;
    margin: 0 auto;
}

.contact-inner h2 { margin-bottom: 1rem; }
.contact-intro {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
    text-align: left;
}

.contact-form input {
    width: 100%;
    padding: 1.25rem 0;
    border: none;
    border-bottom: 1px solid var(--ghost-border);
    background: transparent;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.08em;
    outline: none;
    transition: border-color 0.3s;
}
.contact-form input::placeholder {
    color: var(--secondary);
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
}
.contact-form input:focus {
    border-bottom-color: var(--accent);
}

.contact-form .btn {
    margin-top: 1rem;
    cursor: pointer;
    width: 100%;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--primary);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    align-items: flex-start;
}

@media (min-width: 768px) {
    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }
}

.footer-brand .logo { color: #fff; font-size: 1.75rem; }
.footer-desc {
    margin-top: 0.75rem;
    opacity: 0.5;
    font-size: 0.85rem;
    max-width: 340px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.footer-links-group { display: grid; gap: 0.75rem; }
.footer-links-title {
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.4;
}
.footer-links-group a {
    text-decoration: none;
    font-size: 0.85rem;
    opacity: 0.7;
    transition: opacity 0.3s;
}
.footer-links-group a:hover { opacity: 1; }

.footer-bottom {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.4;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.19, 1, 0.22, 1),
                transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===== MOBILE FOOTER & GLOBAL FIXES ===== */
@media (max-width: 480px) {
    .site-footer { padding: 3rem 0 1.5rem; }
    .footer-top { gap: 2rem; }
    .footer-desc { max-width: 100%; font-size: 0.8rem; }
    .footer-bottom { font-size: 0.6rem; text-align: center; align-items: center; }
    .hero .container { padding-top: 5rem; padding-bottom: 3rem; }
    .hero h1 { font-size: clamp(1.75rem, 7vw, 3.5rem); }
    .hero p { font-size: 0.95rem; }
    .btn { padding: 0.85rem 1.5rem; font-size: 0.8rem; }
    .service-card { padding: 1.75rem; }
    .detailed-service-row { padding: 1.75rem; }
    .ds-icon { width: 48px; height: 48px; }
}

/* ===== DIFERENCIAIS ===== */
.diferenciais-section {
    background: var(--primary);
    padding-top: var(--section-pad);
    padding-bottom: var(--section-pad);
}

.diferenciais-section .services-header h2,
.diferenciais-section .eyebrow {
    color: #fff;
}

.diferenciais-section .services-header h2 {
    color: #fff;
    opacity: 0.95;
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 600px) {
    .diferenciais-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}

@media (min-width: 1024px) {
    .diferenciais-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.diferencial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.diferencial-card:hover {
    background: rgba(49, 149, 245, 0.12);
    border-color: rgba(49, 149, 245, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.diferencial-icon {
    width: 52px;
    height: 52px;
    background: rgba(49, 149, 245, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--accent);
    transition: background 0.3s;
}

.diferencial-card:hover .diferencial-icon {
    background: rgba(49, 149, 245, 0.25);
}

.diferencial-icon svg {
    width: 24px;
    height: 24px;
}

.diferencial-card h3 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.diferencial-card p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ===== FAQ ACCORDION ===== */
.faq-section {
    background: var(--surface);
    padding-top: 2rem;
}

.faq-header {
    text-align: center;
    margin-bottom: 3rem;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--surface-bright);
    border: 1px solid var(--ghost-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(49, 149, 245, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.03);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: var(--surface-dim);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.faq-category-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--ghost-border);
}

.faq-category-title:first-child {
    margin-top: 0;
}

/* ===== WHATSAPP BUTTONS & CONVERSION ===== */
.btn-whatsapp {
    background: #25D366;
    color: #fff;
    border: none;
    transition: all 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp svg {
    width: 20px;
    height: 20px;
}

.academic-microcopy {
    display: block;
    font-size: 0.75rem;
    color: var(--secondary);
    opacity: 0.7;
    margin-top: 1rem;
    font-weight: 500;
    line-height: 1.4;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* ===== MINIMAL SERVICE CARDS (HOME) ===== */
.service-card-minimal {
    background: var(--surface-bright);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--ghost-border);
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    text-decoration: none;
}

.service-card-minimal:hover {
    border-color: var(--accent);
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(4, 21, 52, 0.05);
}

.service-card-minimal .service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 2rem;
}

.service-card-minimal h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.service-card-minimal .promise {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.service-card-minimal .btn-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.service-card-minimal:hover .btn-text {
    gap: 0.75rem;
}

/* ===== DIFERENCIAIS SECTION ===== */
.diferenciais-section {
    background: var(--primary);
    color: #fff;
    padding: var(--section-pad) 0;
}

.diferenciais-section .services-header h2 {
    color: #fff;
}

.diferenciais-section .eyebrow {
    color: var(--accent);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .diferenciais-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1100px) {
    .diferenciais-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.diferencial-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.diferencial-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(49, 149, 245, 0.3);
    transform: translateY(-6px);
}

.diferencial-icon {
    width: 56px;
    height: 56px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.diferencial-icon svg {
    width: 28px;
    height: 28px;
}

.diferencial-card h3 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.diferencial-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== FOOTER UPDATES ===== */
.footer-academic {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 600px;
}

.footer-academic p {
    font-size: 0.8rem;
    opacity: 0.6;
    line-height: 1.6;
}