/* ═══════════════════════════════════════════════════════════════
   LP Amanda Bortese — CSS Principal
   Convertido do Tailwind CDN para CSS puro
════════════════════════════════════════════════════════════════ */

/* ── 1. Variáveis de cor (Material Design palette) ───────────── */
:root {
    --color-background: #f9f9f7;
    --color-surface: #f9f9f7;
    --color-surface-bright: #f9f9f7;
    --color-surface-dim: #dadad8;
    --color-surface-lowest: #ffffff;
    --color-surface-low: #f4f4f2;
    --color-surface-container: #eeeeec;
    --color-surface-high: #e8e8e6;
    --color-surface-highest: #e2e3e1;
    --color-surface-variant: #e2e3e1;

    --color-primary: #545353;
    --color-primary-container: #6d6c6b;
    --color-on-primary: #ffffff;
    --color-on-primary-container: #f1eeed;

    --color-secondary: #725a43;
    --color-secondary-container: #ffdcc0;
    --color-on-secondary: #ffffff;

    --color-tertiary: #57544d;
    --color-tertiary-container: #706c64;
    --color-on-tertiary: #ffffff;
    --color-on-tertiary-container: #f4eee5;

    --color-on-surface: #1a1c1b;
    --color-on-surface-variant: #4e453d;
    --color-on-background: #1a1c1b;

    --color-outline: #80756c;
    --color-outline-variant: #d2c4ba;

    --color-inverse-surface: #2f3130;
    --color-inverse-on-surface: #f1f1ef;

    --color-error: #ba1a1a;

    /* Tipografia */
    --font-headline: 'Noto Serif', serif;
    --font-body: 'Manrope', sans-serif;

    /* Espaçamentos */
    --section-padding-y: 8rem;
    --section-padding-x: 3rem;
    --container-max: 72rem;
    --container-narrow: 72rem;
}

/* ── 2. Reset & Base ─────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6,
.serif-font {
    font-family: var(--font-headline);
}

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

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

/* ── 3. Material Symbols ─────────────────────────────────────── */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
    user-select: none;
}

/* ── 4. Utilitários ──────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--section-padding-x);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin-inline: auto;
    padding-inline: var(--section-padding-x);
}

.text-center {
    text-align: center;
}

.order-1 {
    order: 1;
}

.order-2 {
    order: 2;
}

/* Botão primário reutilizável */
.btn-primary {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    font-family: var(--font-body);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 0.875rem 2rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-primary-container);
}

/* Label overline (categoria/etiqueta acima de títulos) */
.label-overline {
    display: block;
    color: var(--color-secondary);
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

/* Textos corridos */
.text-body {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 300;
    line-height: 1.75;
}

.text-body--accent {
    border-left: 2px solid var(--color-secondary);
    padding-left: 2rem;
    padding-block: 0.5rem;
}

/* ── 5. NAVEGAÇÃO ─────────────────────────────────────────────── */
.site-nav {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background-color: rgba(249, 249, 247, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.site-nav.scrolled {
    box-shadow: 0 1px 0 var(--color-outline-variant);
    background-color: rgba(249, 249, 247, 0.97);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo-img {
    height: 96px;
    width: auto;
    display: block;
    object-fit: contain;
    /* Suaviza a logo em fundos claros; remova se a logo já tiver bom contraste */
    filter: none;
    transition: opacity 0.3s ease;
}

.nav-logo-img:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
    font-family: var(--font-headline);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.nav-link {
    color: var(--color-primary);
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link--active {
    color: var(--color-secondary);
}

.nav-link--active {
    border-bottom: 1px solid var(--color-secondary);
    padding-bottom: 0.25rem;
}

.nav-cta {
    font-size: 0.7rem;
    padding: 0.75rem 2rem;
    margin-left: 1rem;
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
    padding: 0.25rem;
}

/* Mobile menu overlay */
@media (max-width: 767px) {
    .site-nav {
        padding: 1.25rem 1.5rem;
    }

    .nav-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        inset: 0;
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        background-color: var(--color-surface-lowest);
        font-size: 1.2rem;
        transform: translateX(100%);
        transition: transform 0.35s ease;
        z-index: 99;
    }

    .nav-links.is-open {
        transform: translateX(0);
    }

    .nav-cta {
        margin-left: 0;
    }
}

/* ── 6. HERO SECTION ──────────────────────────────────────────── */
.hero-section {
    padding-top: 10rem;
    padding-bottom: 5rem;
    padding-inline: var(--section-padding-x);
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-on-surface);
    margin-bottom: 2rem;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 300;
    line-height: 1.75;
    max-width: 36rem;
    margin-bottom: 3rem;
}

.btn-hero {
    align-self: flex-start;
    font-size: 0.8rem;
    padding: 1.25rem 3rem;
    letter-spacing: 0.2em;
    box-shadow: 0 20px 40px rgba(26, 28, 27, 0.06);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.btn-hero:hover {
    transform: translateY(-2px);
}

.hero-image-wrapper {
    position: relative;
    margin-top: 3rem;
}

.hero-image-frame {
    aspect-ratio: 3/4;
    overflow: hidden;
    background-color: var(--color-surface-container);
    box-shadow: 0 40px 80px rgba(26, 28, 27, 0.15);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-quote-card {
    display: none;
    position: absolute;
    bottom: -2rem;
    left: -4rem;
    background-color: var(--color-surface-lowest);
    padding: 2rem;
    max-width: 15rem;
    box-shadow: 0 8px 24px rgba(26, 28, 27, 0.08);
}

.hero-quote {
    font-family: var(--font-headline);
    font-style: italic;
    color: var(--color-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 7fr 5fr;
    }

    .hero-image-wrapper {
        margin-top: 0;
    }

    .hero-quote-card {
        display: block;
    }
}

/* ── 7. SEÇÃO PROBLEMA ────────────────────────────────────────── */
.section-problem {
    padding-block: 10rem;
    /* Aumentado de var(--section-padding-y) que era 8rem */
    background-color: var(--color-surface-low);
}

.problem-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    /* Aumentado de 3rem */
}

.problem-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    line-height: 1.4;
    color: var(--color-on-surface);
}

.problem-body {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .problem-grid {
        flex-direction: row;
        gap: 6rem;
        /* Aumentado de 3rem para dar mais respiro na segunda dobra */
        align-items: flex-start;
    }

    .problem-heading {
        flex: 1;
    }

    .problem-body {
        flex: 2;
    }
}

/* ── 8. SEÇÃO VÍDEO ───────────────────────────────────────────── */
.section-video {
    padding-block: var(--section-padding-y);
    background-color: var(--color-surface);
}

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

.label-manifesto {
    display: block;
    color: var(--color-secondary);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.video-subheading {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-primary);
}

.video-wrapper {
    background-color: var(--color-on-background);
    box-shadow: 0 40px 80px rgba(26, 28, 27, 0.2);
}

.video-iframe-container {
    position: relative;
    padding: 177.77% 0 0 0; /* Vertical aspect ratio (9:16) for mobile */
}

.video-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (min-width: 768px) {
    .video-iframe-container {
        padding: 50% 0 0 0; /* Original aspect ratio (2:1) for desktop */
    }
}

.video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-play {
    width: 5rem;
    height: 5rem;
    background-color: var(--color-surface-lowest);
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 8px 32px rgba(26, 28, 27, 0.2);
}

.btn-play:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 48px rgba(26, 28, 27, 0.3);
}

.btn-play .material-symbols-outlined {
    font-size: 2.25rem;
    color: var(--color-primary);
    font-variation-settings: 'FILL' 1, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

/* ── 9. SEÇÃO PROCESSO ────────────────────────────────────────── */
.section-process {
    padding-block: var(--section-padding-y);
    background-color: var(--color-surface-lowest);
}

.section-header {
    margin-bottom: 6rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    margin-bottom: 1rem;
    color: var(--color-on-surface);
}

.section-divider {
    width: 6rem;
    height: 1px;
    background-color: var(--color-outline-variant);
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.process-step {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.process-number {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    font-style: italic;
    color: var(--color-outline-variant);
    line-height: 1;
}

.process-step-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-on-surface);
}

.process-step-text {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 300;
    line-height: 1.75;
}

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

@media (min-width: 1024px) {
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ── 10. SEÇÃO DIFERENCIAL ────────────────────────────────────── */
.section-differentials {
    padding-block: var(--section-padding-y);
    background-color: var(--color-surface-container);
}

.differentials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5rem;
    align-items: center;
}

.differentials-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.diff-img-col {
    display: flex;
    flex-direction: column;
}

.diff-img-col--offset {
    margin-top: 3rem;
}

.diff-img-frame--tall {
    aspect-ratio: 2/3;
    overflow: hidden;
}

.diff-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.diff-img-frame--tall:hover .diff-img {
    transform: scale(1.04);
}

.differentials-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 300;
    line-height: 1.35;
    margin-bottom: 4rem;
}

.differentials-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.diff-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.diff-item-icon {
    color: var(--color-secondary);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.diff-item-title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-on-surface);
}

.diff-item-text {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 300;
    line-height: 1.75;
}

@media (min-width: 1024px) {
    .differentials-grid {
        grid-template-columns: 1fr 1fr;
    }

    .order-1 {
        order: 1;
    }

    .order-2 {
        order: 2;
    }
}

/* ── 11. ESTUDO DE CASO ───────────────────────────────────────── */
.section-case-study {
    padding-block: 10rem;
    background-color: var(--color-surface);
}

.case-study-grid {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.case-study-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 300;
    margin-bottom: 3rem;
}

.case-study-blocks {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.case-label {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-outline);
    margin-bottom: 1rem;
}

.case-text {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 300;
    line-height: 1.75;
}

.case-text--italic {
    font-style: italic;
    font-size: 1rem;
    line-height: 1.65;
}

.case-study-two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.case-study-images {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.case-img-main {
    aspect-ratio: 1/1;
    overflow: hidden;
    background-color: var(--color-surface-container);
}

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

.case-img-thumb {
    aspect-ratio: 1/1;
    overflow: hidden;
    background-color: var(--color-surface-container);
}

.case-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-img-main:hover .case-img,
.case-img-thumb:hover .case-img {
    transform: scale(1.04);
}

@media (min-width: 1024px) {
    .case-study-grid {
        flex-direction: row;
        gap: 5rem;
    }

    .case-study-content {
        flex: 1;
    }

    .case-study-images {
        flex: 1;
    }

    .case-study-two-col {
        grid-template-columns: 1fr 1fr;
    }
}

/* ── 12. CTA FINAL ────────────────────────────────────────────── */
.section-cta {
    padding-block: 10rem;
    padding-inline: var(--section-padding-x);
    background-color: rgba(114, 90, 67, 0.05);
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 3.75rem);
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--color-on-surface);
}

.cta-text {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 300;
    margin-bottom: 3rem;
}

.btn-cta {
    display: inline-block;
    font-size: 0.875rem;
    padding: 1.5rem 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.2em;
    box-shadow: 0 32px 64px rgba(26, 28, 27, 0.12);
}

.cta-subtext {
    font-size: 0.75rem;
    color: var(--color-secondary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-family: var(--font-body);
}

/* ── 13. FOOTER ───────────────────────────────────────────────── */
.site-footer {
    width: 100%;
    padding: 5rem var(--section-padding-x);
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    background-color: var(--color-surface-low);
    border-top: 1px solid rgba(128, 117, 108, 0.2);
}

.footer-logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: 0.5rem;
}

.footer-logo-img {
    height: 96px;
    width: auto;
    display: block;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.footer-logo-img:hover {
    opacity: 0.75;
}

.footer-tagline {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
    opacity: 0.8;
    margin-top: 0.5rem;
}

.footer-col-title {
    font-family: var(--font-body);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link {
    display: inline-block;
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-secondary);
    opacity: 0.8;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.footer-link:hover {
    opacity: 1;
    transform: translateX(4px);
}

.footer-location {
    display: block;
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-secondary);
    opacity: 0.8;
}

.footer-copyright {
    padding-top: 2.5rem;
    border-top: 1px solid rgba(128, 117, 108, 0.1);
    text-align: center;
}

.footer-copyright p {
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
    opacity: 0.6;
}

@media (min-width: 768px) {
    .site-footer {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-copyright {
        grid-column: 1 / -1;
    }
}

/* ── 14. Responsividade geral ─────────────────────────────────── */
@media (max-width: 767px) {
    :root {
        --section-padding-y: 5rem;
        --section-padding-x: 1.5rem;
    }

    .hero-section {
        padding-top: 8rem;
    }

    .btn-hero {
        align-self: stretch;
        text-align: center;
    }
}