/* ===== Sintera: Design System v4 (dual-tone dinâmico, inspirado na PM3) ===== */
:root {
    --header-height: 4.5rem;

    /* Brand palette (from logo): roxo é a cor principal */
    --violet: #7A3FFF;
    --purple: #5A00D6;
    --deep-purple: #3D0099;
    --magenta: #8A00CC;

    --gradient-brand: linear-gradient(135deg, var(--violet) 0%, var(--purple) 55%, var(--deep-purple) 100%);
    --gradient-text: linear-gradient(90deg, var(--violet), var(--purple), var(--magenta));
    --gradient-purple: linear-gradient(135deg, var(--violet) 0%, var(--purple) 55%, var(--magenta) 100%);

    /* Tema escuro (base) */
    --bg-primary: #07060B;
    --bg-secondary: #0D0C14;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.09);
    --border-accent: rgba(122, 63, 255, 0.4);

    --text-primary: #F3F2F8;
    --text-secondary: #A8A3B8;
    --text-muted: #6E6980;

    /* Tema claro (seções alternadas) */
    --light-bg: #F6F4FB;
    --light-bg-alt: #ECE7F8;
    --light-card: #FFFFFF;
    --light-border: rgba(20, 10, 40, 0.08);
    --light-text: #17111F;
    --light-text-secondary: #56516A;
    --light-text-muted: #8A85A0;

    --font-heading: 'Sora', sans-serif;
    --font-body: 'Sora', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 999px;

    --shadow-glow: 0 0 60px rgba(122, 63, 255, 0.18);
    --shadow-purple: 0 20px 50px rgba(90, 0, 214, 0.3);
    --shadow-soft: 0 20px 45px rgba(20, 10, 40, 0.08);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.check-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.15em;
    height: 1.15em;
    margin-right: 0.4em;
    font-size: 0.75em;
    font-weight: 700;
    color: white;
    background: var(--gradient-brand);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== Background Effects ===== */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.bg-glow--1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    background: rgba(122, 63, 255, 0.16);
}

.bg-glow--2 {
    width: 500px;
    height: 500px;
    bottom: 20%;
    left: -150px;
    background: rgba(138, 0, 204, 0.12);
}

/* ===== Logo ===== */
.brand-logo {
    display: block;
    object-fit: contain;
}

.brand-logo--nav {
    max-height: 34px;
    max-width: 180px;
}

.brand-logo--icon {
    width: 36px;
    height: 36px;
    border-radius: 24%;
    object-fit: cover;
    flex-shrink: 0;
}

.brand-logo--footer {
    max-height: 42px;
    max-width: 190px;
    margin-bottom: 1rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: #000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
    transition: var(--transition);
}

.header.scrolled {
    background-color: #000;
    border-bottom-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.55);
}

.nav.container {
    max-width: none;
    padding-inline: clamp(1rem, 2vw, 5.75rem);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

@media (min-width: 969px) {
    .nav.container {
        padding-inline: 5%;
    }
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}

.nav__link:hover,
.nav__link.active {
    color: var(--text-primary);
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: 2px;
}

.nav__social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: var(--transition);
    flex-shrink: 0;
}

.nav__social:hover {
    color: var(--text-primary);
    border-color: var(--border-accent);
    background: rgba(122, 63, 255, 0.08);
    transform: translateY(-1px);
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    background: var(--gradient-brand);
    border-radius: var(--radius-pill);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}

.nav__cta--icon {
    width: 38px;
    height: 38px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.nav__cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav__toggle,
.nav__close {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.25rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn--primary {
    background: var(--gradient-brand);
    color: white;
    box-shadow: 0 10px 30px rgba(122, 63, 255, 0.25);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(122, 63, 255, 0.32);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn--ghost:hover {
    border-color: var(--border-accent);
    background: rgba(122, 63, 255, 0.06);
}

.btn--dark {
    background: white;
    color: var(--bg-primary);
}

.btn--dark:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn--light {
    background: white;
    color: var(--purple);
}

.btn--light:hover {
    transform: translateY(-2px);
    opacity: 0.92;
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ===== Badge pill ===== */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem 0.45rem 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
}

.badge-pill__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient-brand);
    flex-shrink: 0;
}

/* ===== Hero ===== */
.hero.section {
    padding: 0;
    margin-top: var(--header-height);
}

.hero {
    position: relative;
    z-index: 1;
    width: 100%;
    overflow: hidden;
}

.hero__split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    align-items: stretch;
}

.hero__copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
    padding: clamp(2.5rem, 5vw, 4.5rem) clamp(2rem, 5vw, 5rem);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(1.85rem, 3.2vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
    max-width: 24ch;
    color: var(--text-primary);
}

.hero__rotator {
    margin-bottom: 1.75rem;
    width: 100%;
}

.text-rotator {
    line-height: 1.4;
}

.text-rotator__content {
    display: grid;
    width: 100%;
}

.text-rotator__dots {
    display: inline-flex;
    align-items: center;
    gap: 0.14em;
    margin-left: 0.08em;
    vertical-align: baseline;
    white-space: nowrap;
    color: var(--violet);
    opacity: 0.9;
}

.text-rotator__dots span {
    display: inline-block;
    width: 0.28em;
    height: 0.28em;
    min-width: 3px;
    min-height: 3px;
    border-radius: 50%;
    background: currentColor;
    animation: text-rotator-dot 1.4s ease-in-out infinite;
}

.text-rotator__dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.text-rotator__dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes text-rotator-dot {
    0%, 80%, 100% {
        opacity: 0.25;
        transform: scale(0.85);
    }

    40% {
        opacity: 1;
        transform: scale(1);
    }
}

.hero__rotator-line {
    grid-area: 1 / 1;
    font-size: clamp(0.68rem, 0.75vw + 0.42rem, 0.92rem);
    font-weight: 600;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.hero__rotator-text {
    color: #fff;
    -webkit-text-fill-color: #fff;
}

.hero__rotator-line.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.hero__list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 2.25rem;
    max-width: 34rem;
}

.hero__list li {
    display: flex;
    align-items: flex-start;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.5;
}

.hero__list .check-icon {
    margin-top: 0.15em;
    background: var(--purple);
}

.hero__visual {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    padding: 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.hero__image {
    width: 100%;
    height: 100%;
    min-height: calc(100vh - var(--header-height));
    object-fit: cover;
    object-position: center center;
}

/* Hero reveal */
.hero__copy.reveal,
.hero__visual.reveal {
    opacity: 1;
    transform: none;
}

/* ===== Section Headers ===== */
.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.section__tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--violet);
    margin-bottom: 1rem;
}

.section__tag--light {
    color: rgba(255, 255, 255, 0.85);
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section__subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* ===== Offer cards (resumo de serviços) ===== */
.offer {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
}

.offer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.offer-card {
    display: flex;
    flex-direction: column;
    padding: 2rem 1.75rem;
    background: var(--gradient-purple);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-purple);
}

.offer-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 100% 0%, rgba(255,255,255,0.14), transparent 55%);
    pointer-events: none;
}

.offer-card:hover {
    transform: translateY(-6px);
}

.offer-card__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: white;
    margin-bottom: 0.75rem;
}

.offer-card__text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.offer-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
}

.offer__more {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

/* ===== Sobre (seção clara) ===== */
.about {
    position: relative;
    z-index: 1;
    background: var(--light-bg);
    color: var(--light-text);
}

.about__hero {
    max-width: 820px;
    margin-bottom: 3.5rem;
}

.about__headline {
    font-family: var(--font-heading);
    font-size: clamp(1.85rem, 3.8vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--light-text);
    margin-bottom: 1.25rem;
}

.about__intro {
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--light-text-secondary);
    max-width: 68ch;
}

.about__body {
    padding-top: 2.5rem;
    border-top: 1px solid var(--light-border);
}

.about__label {
    font-family: var(--font-heading);
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.about__tracks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 3rem;
}

.about-track {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
    align-items: start;
}

.about-track__num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.35;
}

.about-track__title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.45;
    color: var(--light-text);
    margin-bottom: 1rem;
}

.about-track__note {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--light-text-muted);
}

.about-track__list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.about-track__list li {
    position: relative;
    padding-left: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--light-text-secondary);
}

.about-track__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--purple);
}

.about__footer {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--light-border);
    max-width: 620px;
}

.about__footer-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--light-text-secondary);
    margin-bottom: 0.5rem;
}

.about__signature {
    font-family: var(--font-heading);
    font-size: clamp(1.15rem, 2vw, 1.35rem);
    font-weight: 600;
    line-height: 1.5;
    color: var(--light-text);
}

/* ===== Princípios (escuro) ===== */
.principles {
    background: var(--bg-primary);
}

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

.principle-item {
    padding: 2rem 2rem 2.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--violet);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    transition: var(--transition);
}

.principle-item:nth-child(2) {
    border-left-color: var(--purple);
}

.principle-item:nth-child(3) {
    border-left-color: var(--magenta);
}

.principle-item:nth-child(4) {
    border-left-color: var(--violet);
}

.principle-item:hover {
    border-color: var(--border-accent);
    border-left-color: var(--violet);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

.principle-item__tag {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--violet);
}

.principle-item__quote {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1.05rem, 1.8vw, 1.2rem);
    font-weight: 500;
    line-height: 1.65;
    color: var(--text-secondary);
}

.principle-item__highlight {
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(90deg, var(--violet), var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.principle-item__highlight--soft {
    background: linear-gradient(90deg, var(--purple), var(--magenta));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== Serviços detalhados (escuro) ===== */
.detail {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
}

.detail__row {
    display: grid;
    grid-template-columns: 0.9fr 1.6fr;
    gap: 3rem;
    align-items: center;
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--border);
}

.detail__row:last-child {
    border-bottom: none;
}

.detail__row--reverse {
    grid-template-columns: 1.6fr 0.9fr;
}

.detail__row--reverse .detail__visual {
    order: 2;
}

.detail__visual {
    display: flex;
    align-items: stretch;
    justify-content: center;
    height: 280px;
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.detail__visual::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(90, 0, 214, 0.18), transparent 55%);
    opacity: 0.6;
    transition: opacity var(--transition);
    pointer-events: none;
}

.detail__row:hover .detail__visual::before {
    opacity: 0.25;
}

.detail__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease, filter 0.5s ease;
    filter: saturate(0.85) brightness(0.92);
}

.detail__row:hover .detail__visual img {
    transform: scale(1.04);
    filter: saturate(1.1) brightness(1);
}

.detail__visual--1 { border-color: rgba(122, 63, 255, 0.25); }
.detail__visual--2 { border-color: rgba(90, 0, 214, 0.25); }
.detail__visual--3 { border-color: rgba(122, 63, 255, 0.25); }
.detail__visual--4 { border-color: rgba(138, 0, 204, 0.25); }

.detail__eyebrow {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--violet);
    margin-bottom: 0.75rem;
}

.detail__content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.detail__content p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.detail__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.detail__tags span {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.4rem 0.85rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
}

.detail__cta {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--violet);
}

/* ===== Clientes (seção clara) ===== */
.clients {
    background: var(--light-bg);
    color: var(--light-text);
}

.clients .section__tag {
    color: var(--purple);
}

.clients__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    align-items: stretch;
    max-width: 960px;
    margin-inline: auto;
}

.clients__logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 80px;
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    opacity: 1;
    transition: var(--transition);
    cursor: pointer;
}

.clients__name {
    display: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--light-text-secondary);
    text-align: center;
    line-height: 1.3;
}

.clients__logo img {
    width: auto;
    max-width: 220px;
    max-height: 64px;
    height: auto;
    object-fit: contain;
    display: block;
}

.clients__logo--symbol img {
    max-width: 72px;
    max-height: 72px;
}

.clients__logo:hover {
    transform: translateY(-3px) scale(1.03);
    filter: drop-shadow(0 10px 24px rgba(90, 0, 214, 0.18));
}

/* ===== CTA ===== */
.cta {
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
}

.cta__card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.cta__card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-brand);
    opacity: 0.05;
    pointer-events: none;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.cta__text {
    color: var(--text-secondary);
    max-width: 480px;
}

.cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ===== Footer (escuro) ===== */
.footer {
    position: relative;
    z-index: 1;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 2.5rem;
}

.footer__brand p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.footer__social {
    display: flex;
    gap: 0.75rem;
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: var(--transition);
}

.footer__social a:hover {
    color: var(--violet);
    border-color: var(--border-accent);
}

.footer__col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    margin-bottom: 1.1rem;
}

.footer__col {
    display: flex;
    flex-direction: column;
}

.footer__col a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    transition: color var(--transition);
}

.footer__col a:hover {
    color: var(--violet);
}

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

.footer__copy {
    grid-column: 1 / -1;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    padding-top: 2rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border);
}

/* ===== Animations on scroll ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .offer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .detail__row,
    .detail__row--reverse {
        grid-template-columns: 1fr;
    }

    .detail__row--reverse .detail__visual {
        order: 0;
    }

    .detail__visual {
        height: 220px;
    }
}

@media (max-width: 968px) {
    .hero__split {
        grid-template-columns: 1fr;
        min-height: calc(100vh - var(--header-height));
        position: relative;
        isolation: isolate;
    }

    .hero__copy {
        position: relative;
        z-index: 2;
        padding: 2.5rem 1.5rem;
        min-height: calc(100vh - var(--header-height));
        background: transparent;
    }

    .hero__title {
        max-width: none;
        font-size: clamp(2.15rem, 9vw + 0.35rem, 2.65rem);
    }

    .text-rotator__content {
        min-height: 0;
    }

    .hero__visual {
        position: absolute;
        inset: 0;
        z-index: 0;
        min-height: 100%;
    }

    .hero__visual::after {
        content: '';
        position: absolute;
        inset: 0;
        z-index: 1;
        background: linear-gradient(
            180deg,
            rgba(7, 6, 11, 0.82) 0%,
            rgba(7, 6, 11, 0.72) 45%,
            rgba(7, 6, 11, 0.88) 100%
        );
        pointer-events: none;
    }

    .hero__image {
        min-height: 100%;
        height: 100%;
        filter: blur(7px);
        transform: scale(1.08);
    }

    .about__tracks {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about__hero {
        margin-bottom: 2.5rem;
    }

    .about__body {
        padding-top: 2rem;
    }

    .about__footer {
        margin-top: 2.5rem;
        padding-top: 2rem;
    }

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

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

    .footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .offer__grid {
        grid-template-columns: 1fr;
    }

    .nav {
        gap: 0.75rem;
    }

    .nav__logo {
        flex-shrink: 0;
        min-width: 0;
    }

    .brand-logo--nav {
        max-height: 28px;
        max-width: min(150px, 42vw);
    }

    .nav__toggle {
        flex-shrink: 0;
        margin-left: auto;
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 82%;
        max-width: 320px;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        background-color: #000;
        border-left: 1px solid var(--border);
        padding: 5rem 2rem 2rem;
        transition: right var(--transition);
        z-index: 200;
        gap: 2rem;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .nav__actions {
        width: 100%;
        justify-content: flex-start;
    }

    .nav__close {
        position: absolute;
        top: 1.25rem;
        right: 1.25rem;
    }

    .clients__grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
        max-width: none;
    }

    .clients__logo {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        gap: 1rem;
        min-height: auto;
        padding: 1rem 1.15rem;
        background: var(--light-card);
        border: 1px solid var(--light-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-soft);
    }

    .clients__logo img {
        flex-shrink: 0;
        max-width: 56px;
        max-height: 56px;
        width: auto;
        height: auto;
        object-fit: contain;
    }

    .clients__logo--symbol img {
        max-width: 48px;
        max-height: 48px;
        border-radius: 12%;
    }

    .clients__name {
        display: block;
        flex: 1;
        text-align: left;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--light-text);
    }

    .clients__logo:hover {
        transform: translateY(-2px);
        border-color: rgba(90, 0, 214, 0.2);
    }

    .cta__card {
        padding: 2rem;
        flex-direction: column;
        text-align: center;
    }

    .cta__actions {
        justify-content: center;
        width: 100%;
    }

    .btn--lg {
        width: 100%;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer__col {
        align-items: center;
    }
}