/* ==========================================================================
   LANDING PAGE — PROJETOS DE VARANDAS
   Herrera Arquitetura
   ========================================================================== */

/* ==========================================================================
   01. VARIÁVEIS
   ========================================================================== */

:root {
    --cor-principal: #0a0a0a;
    --cor-secundaria: #141414;
    --cor-destaque: #c5a880;
    --cor-destaque-hover: #b3966e;

    --cor-branca: #ffffff;
    --cor-texto: #1f1f1f;
    --cor-texto-suave: #666666;
    --cor-fundo-suave: #f8f9fa;
    --cor-fundo-bege: #ece7e1;

    --fonte-titulo: "Playfair Display", Georgia, serif;
    --fonte-corpo: "Montserrat", Arial, sans-serif;

    --container: 1200px;
    --transicao: 0.3s ease;
}

/* ==========================================================================
   02. RESET
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-height: 100vh;

    font-family: var(--fonte-corpo);
    line-height: 1.6;

    color: var(--cor-texto);
    background-color: var(--cor-branca);

    overflow-x: hidden;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

.container {
    width: 100%;
    max-width: var(--container);

    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   03. BOTÕES
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 48px;
    padding: 14px 28px;

    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;

    border: 1px solid transparent;
    border-radius: 2px;

    transition:
        background-color var(--transicao),
        color var(--transicao),
        border-color var(--transicao),
        transform var(--transicao);
}

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

.btn-primary,
.btn-header {
    color: var(--cor-branca);
    background-color: var(--cor-destaque);
}

.btn-primary:hover,
.btn-header:hover {
    background-color: var(--cor-destaque-hover);
}

.btn-secondary {
    color: var(--cor-branca);
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-secondary:hover {
    color: var(--cor-principal);
    background-color: var(--cor-branca);
    border-color: var(--cor-branca);
}

/* ==========================================================================
   04. TEXTOS PADRÃO
   ========================================================================== */

.section-tag,
.landing-tag {
    display: inline-block;

    margin-bottom: 10px;

    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;

    color: var(--cor-destaque);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 50px;
}

.section-heading h2,
.landing-intro h2,
.landing-about h2 {
    margin-bottom: 16px;

    font-family: var(--fonte-titulo);
    font-size: clamp(2.1rem, 5vw, 3.4rem);
    font-weight: 400;
    line-height: 1.15;
}

.section-heading p,
.landing-intro p,
.landing-about p {
    font-size: 0.98rem;
    line-height: 1.8;

    color: var(--cor-texto-suave);
}

/* ==========================================================================
   05. CABEÇALHO
   ========================================================================== */

.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;

    width: 100%;

    background-color: rgba(10, 10, 10, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);

    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.landing-header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    min-height: 100px;
}

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

.landing-logo img {
    width: auto;
    max-height: 76px;
    object-fit: contain;
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.landing-nav a {
    position: relative;

    padding: 8px 0;

    font-size: 0.74rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.4px;

    color: rgba(255, 255, 255, 0.78);

    transition: color var(--transicao);
}

.landing-nav a::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: 0;

    width: 0;
    height: 1px;

    background-color: var(--cor-destaque);

    transition: width var(--transicao);
}

.landing-nav a:hover {
    color: var(--cor-branca);
}

.landing-nav a:hover::after {
    width: 100%;
}

.btn-header {
    padding: 12px 20px;
}

/* ==========================================================================
   06. HERO
   ========================================================================== */

.landing-hero {
    position: relative;

    display: flex;
    align-items: center;

    min-height: 100vh;
    padding: 170px 0 90px;

    color: var(--cor-branca);

    overflow: hidden;
}

.landing-hero-image {
    position: absolute;
    inset: 0;

    height: 100%;

    object-fit: cover;
    object-position: center;
}

.landing-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;

    background: linear-gradient(
        90deg,
        rgba(8, 8, 8, 0.88) 0%,
        rgba(8, 8, 8, 0.66) 44%,
        rgba(8, 8, 8, 0.2) 100%
    );
}

.landing-hero-content {
    position: relative;
    z-index: 2;
}

.landing-hero h1 {
    max-width: 800px;
    margin-bottom: 24px;

    font-family: var(--fonte-titulo);
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 400;
    line-height: 1.05;
}

.landing-hero p {
    max-width: 650px;
    margin-bottom: 34px;

    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.8;

    color: rgba(255, 255, 255, 0.82);
}

.landing-hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ==========================================================================
   07. INTRODUÇÃO
   ========================================================================== */

.landing-intro {
    padding: 105px 0;
}

.landing-intro-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: start;
}

.landing-intro-text p + p {
    margin-top: 18px;
}

/* ==========================================================================
   08. PROJETOS
   ========================================================================== */

.landing-projects {
    padding: 105px 0;
    background-color: var(--cor-fundo-suave);
}

.landing-projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.landing-project-card {
    overflow: hidden;

    background-color: var(--cor-branca);
    border: 1px solid rgba(0, 0, 0, 0.05);

    transition:
        transform var(--transicao),
        box-shadow var(--transicao),
        border-color var(--transicao);
}

.landing-project-card:hover {
    border-color: rgba(197, 168, 128, 0.35);
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.09);
    transform: translateY(-6px);
}

.landing-project-image {
    position: relative;

    aspect-ratio: 3 / 2;

    overflow: hidden;
}

.landing-project-image img {
    height: 100%;
    object-fit: cover;

    transition: transform 0.6s ease;
}

.landing-project-card:hover .landing-project-image img {
    transform: scale(1.045);
}

.project-number {
    position: absolute;
    top: 18px;
    left: 18px;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 48px;
    height: 48px;

    font-family: var(--fonte-titulo);

    color: var(--cor-branca);
    background-color: rgba(10, 10, 10, 0.78);
}

.landing-project-content {
    padding: 30px 30px 34px;
}

.project-category {
    display: block;

    margin-bottom: 8px;

    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.7px;

    color: var(--cor-destaque);
}

.landing-project-content h3 {
    margin-bottom: 13px;

    font-family: var(--fonte-titulo);
    font-size: 1.65rem;
    font-weight: 400;
    line-height: 1.25;
}

.landing-project-content p {
    margin-bottom: 22px;

    font-size: 0.9rem;
    line-height: 1.75;

    color: var(--cor-texto-suave);
}

.project-link,
.text-link {
    position: relative;

    display: inline-block;
    padding-bottom: 4px;

    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.project-link::after,
.text-link::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: 0;

    width: 100%;
    height: 1px;

    background-color: var(--cor-destaque);

    transition: width var(--transicao);
}

.project-link:hover::after,
.text-link:hover::after {
    width: 35%;
}

/* ==========================================================================
   09. CTA INTERMEDIÁRIO
   ========================================================================== */

.landing-cta {
    padding: 85px 0;

    color: var(--cor-branca);
    background-color: var(--cor-principal);
}

.landing-cta-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.landing-cta h2 {
    margin-bottom: 12px;

    font-family: var(--fonte-titulo);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    line-height: 1.2;
}

.landing-cta p {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.72);
}

/* ==========================================================================
   10. COMO FUNCIONA
   ========================================================================== */

.landing-process {
    padding: 105px 0;
}

.landing-process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.process-card {
    padding: 34px 28px;

    background-color: var(--cor-fundo-suave);
    border-top: 3px solid var(--cor-destaque);
}

.process-number {
    display: block;

    margin-bottom: 24px;

    font-family: var(--fonte-titulo);
    font-size: 2.2rem;
    line-height: 1;

    color: var(--cor-destaque);
}

.process-card h3 {
    margin-bottom: 12px;

    font-family: var(--fonte-titulo);
    font-size: 1.35rem;
    font-weight: 400;
}

.process-card p {
    font-size: 0.87rem;
    line-height: 1.7;

    color: var(--cor-texto-suave);
}

/* ==========================================================================
   11. SOBRE O ARQUITETO
   ========================================================================== */

.landing-about {
    padding: 105px 0;
    background-color: var(--cor-fundo-bege);
}

.landing-about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 75px;
    align-items: center;
}

.landing-about-image {
    min-height: 520px;
    overflow: hidden;
}

.landing-about-image img {
    height: 520px;
    object-fit: cover;
}

.landing-about-content p {
    margin-bottom: 18px;
}

/* ==========================================================================
   12. CTA FINAL
   ========================================================================== */

.landing-final-cta {
    padding: 120px 0;

    text-align: center;
    color: var(--cor-branca);

    background:
        linear-gradient(rgba(10, 10, 10, 0.88), rgba(10, 10, 10, 0.88)),
        url("../assets/imagens/varandas/varanda-capa.jpg") center / cover no-repeat;
}

.landing-final-cta-content {
    max-width: 850px;
}

.landing-final-cta h2 {
    margin-bottom: 20px;

    font-family: var(--fonte-titulo);
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
}

.landing-final-cta p {
    max-width: 660px;
    margin: 0 auto 34px;

    color: rgba(255, 255, 255, 0.76);
}

/* ==========================================================================
   13. RODAPÉ
   ========================================================================== */

.landing-footer {
    padding: 75px 0 0;

    color: #9b9b9b;
    background-color: #111111;
}

.landing-footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 42px;

    padding-bottom: 50px;
}

.landing-footer-brand img {
    width: auto;
    max-height: 76px;
    margin-bottom: 20px;
}

.landing-footer-brand p {
    max-width: 320px;

    font-size: 0.88rem;
    line-height: 1.65;
}

.landing-footer h3 {
    margin-bottom: 18px;

    font-family: var(--fonte-titulo);
    font-size: 1.15rem;
    font-weight: 500;

    color: var(--cor-branca);
}

.landing-footer-links,
.landing-footer-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.landing-footer a {
    margin-bottom: 10px;

    font-size: 0.86rem;
    color: #9b9b9b;

    transition:
        color var(--transicao),
        transform var(--transicao);
}

.landing-footer a:hover {
    color: var(--cor-branca);
    transform: translateX(4px);
}

.landing-footer-bottom {
    padding: 24px 0;

    text-align: center;

    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-footer-bottom p {
    font-size: 0.8rem;
    color: #6f6f6f;
}

/* ==========================================================================
   14. WHATSAPP FLUTUANTE
   ========================================================================== */

.whatsapp-float {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 999;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 58px;
    height: 58px;

    background-color: #25d366;
    border-radius: 50%;

    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);

    transition:
        transform var(--transicao),
        background-color var(--transicao);
}

.whatsapp-float:hover {
    background-color: #20ba5a;
    transform: translateY(-3px) scale(1.06);
}

.whatsapp-float svg {
    width: 31px;
    height: 31px;
    fill: var(--cor-branca);
}

/* ==========================================================================
   15. RESPONSIVIDADE
   ========================================================================== */

@media (max-width: 1024px) {
    html {
        scroll-padding-top: 84px;
    }

    .landing-header-container {
        min-height: 84px;
    }

    .landing-logo img {
        max-height: 64px;
    }

    .landing-nav {
        display: none;
    }

    .landing-hero {
        padding-top: 145px;
    }

    .landing-intro-grid,
    .landing-about-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .landing-process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .landing-footer-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 18px;
    }

    .landing-header-container {
        min-height: 74px;
        gap: 15px;
    }

    .landing-logo img {
        max-height: 54px;
    }

    .btn-header {
        padding: 10px 12px;
        font-size: 0.62rem;
    }

    .landing-hero {
        min-height: 92vh;
        padding: 120px 0 70px;
    }

    .landing-hero-overlay {
        background: rgba(8, 8, 8, 0.68);
    }

    .landing-hero-buttons {
        flex-direction: column;
    }

    .landing-hero-buttons .btn {
        width: 100%;
    }

    .landing-intro,
    .landing-projects,
    .landing-process,
    .landing-about {
        padding: 80px 0;
    }

    .landing-projects-grid,
    .landing-process-grid {
        grid-template-columns: 1fr;
    }

    .landing-cta-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 28px;
    }

    .landing-cta-container .btn {
        width: 100%;
    }

    .landing-about-image,
    .landing-about-image img {
        min-height: 360px;
        height: 360px;
    }

    .landing-final-cta {
        padding: 90px 0;
    }

    .landing-footer-container {
        grid-template-columns: 1fr;

        text-align: center;
    }

    .landing-footer-brand img,
    .landing-footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }

    .landing-footer-links,
    .landing-footer-contact {
        align-items: center;
    }

    .landing-footer a:hover {
        transform: none;
    }

    .whatsapp-float {
        right: 20px;
        bottom: 20px;

        width: 54px;
        height: 54px;
    }
}

@media (max-width: 480px) {
    .landing-logo img {
        max-height: 46px;
    }

    .btn-header {
        max-width: 150px;
        padding: 9px 10px;

        font-size: 0.58rem;
        line-height: 1.25;
        text-align: center;
    }

    .landing-hero h1 {
        font-size: clamp(2.25rem, 11vw, 3.2rem);
    }

    .landing-project-content {
        padding: 25px 22px 28px;
    }

    .process-card {
        padding: 30px 23px;
    }

    .landing-about-image,
    .landing-about-image img {
        min-height: 300px;
        height: 300px;
    }
}

/* ==========================================================================
   16. ACESSIBILIDADE
   ========================================================================== */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--cor-destaque);
    outline-offset: 4px;
}

::selection {
    color: var(--cor-branca);
    background-color: var(--cor-destaque);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ========================================================================== */
/* FOTO CLICÁVEL DO PROJETO */
/* ========================================================================== */

.project-cover-button {
    display: block;

    width: 100%;
    height: 100%;
    padding: 0;

    background: none;
    border: none;

    cursor: pointer;
}

.project-cover-button img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}


/* ========================================================================== */
/* MODAL DA PROPOSTA */
/* ========================================================================== */

.project-proposal-modal {
    position: fixed;
    inset: 0;
    z-index: 3000;

    display: none;
    align-items: flex-start;
    justify-content: center;

    padding: 30px 20px;

    background-color: rgba(0, 0, 0, 0.92);

    overflow-y: auto;
}

.project-proposal-modal.is-open {
    display: flex;
}

.project-proposal-content {
    width: min(100%, 900px);
    margin: auto;
}

.project-proposal-content img {
    display: block;

    width: 100%;
    height: auto;

    background-color: #ffffff;
}

.project-proposal-close {
    position: fixed;
    top: 18px;
    right: 22px;
    z-index: 3001;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 48px;
    height: 48px;

    font-size: 2rem;
    line-height: 1;

    color: #ffffff;
    background-color: rgba(0, 0, 0, 0.7);

    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;

    cursor: pointer;
}

body.modal-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    .project-proposal-modal {
        padding: 70px 10px 20px;
    }

    .project-proposal-close {
        top: 12px;
        right: 12px;

        width: 44px;
        height: 44px;
    }
}