/* ===== Variables & Reset ===== */
:root {
    --linen: #F5F2EC;
    --dune: #DDD9D2;
    --sage: #C8DACC;
    --mint: #B5CEB8;
    --steel: #7D90A0;
    --slate: #555E6B;
    --obsidian: #12151A;

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Jost', -apple-system, sans-serif;

    --container: 1200px;
    --gap: 2rem;
    --radius: 4px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--obsidian);
    background-color: var(--linen);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

/* ===== Utilities ===== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn--primary {
    background-color: var(--obsidian);
    color: var(--linen);
}

.btn--primary:hover {
    background-color: var(--slate);
    transform: translateY(-1px);
}

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

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    transition: background-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
    background-color: rgba(245, 242, 236, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 var(--dune);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.header__menu {
    display: flex;
    gap: 2.5rem;
}

.header__menu a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.header__menu a:hover {
    opacity: 1;
}

.header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header__toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--obsidian);
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--dune);
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: transparent;
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    color: var(--obsidian);
}

.hero__subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 400;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}

.hero__tagline {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
    opacity: 0.85;
}

/* ===== Sobre ===== */
.sobre {
    padding: 8rem 0;
}

.sobre__inner {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.sobre__img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius);
}

.sobre__placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background-color: var(--dune);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--steel);
}

.sobre__text p {
    margin-bottom: 1rem;
    color: var(--slate);
}

.sobre__creci {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--steel);
}

/* ===== Diferenciais ===== */
.diferenciais {
    padding: 8rem 0;
    background-color: var(--dune);
}

.diferenciais__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background-color: var(--linen);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(18, 21, 26, 0.06);
}

.card__icon {
    color: var(--steel);
    margin-bottom: 1.5rem;
}

.card__title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.card__text {
    font-size: 0.9rem;
    color: var(--slate);
    line-height: 1.6;
}

/* ===== Experiência ===== */
.experiencia {
    padding: 8rem 0;
}

.experiencia__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.experiencia__steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step__number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 400;
    color: var(--sage);
    line-height: 1;
    min-width: 2.5rem;
}

.step__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.step__text {
    font-size: 0.9rem;
    color: var(--slate);
}

.experiencia__img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius);
}

.experiencia__placeholder {
    width: 100%;
    aspect-ratio: 4/5;
    background-color: var(--dune);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--steel);
}

/* ===== Contato ===== */
.contato {
    padding: 8rem 0;
    background-color: var(--obsidian);
    color: var(--linen);
}

.contato__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contato__info .section-title {
    color: var(--linen);
}

.contato__info p {
    color: var(--dune);
    margin-bottom: 1.5rem;
}

.contato__info .btn--primary {
    background-color: var(--sage);
    color: var(--obsidian);
    margin-bottom: 2.5rem;
}

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

.contato__details p {
    font-size: 0.85rem;
    color: var(--steel);
    margin-bottom: 0.25rem;
}

.contato__details strong {
    color: var(--linen);
    font-weight: 400;
}

/* Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--linen);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--slate);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--sage);
}

.form-group textarea {
    resize: vertical;
}

.contato .btn--primary {
    background-color: var(--linen);
    color: var(--obsidian);
    margin-top: 0.5rem;
}

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

/* ===== Footer ===== */
.footer {
    padding: 2rem 0;
    background-color: var(--obsidian);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__right {
    text-align: right;
}

.footer__social {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--steel);
    letter-spacing: 0.02em;
    transition: color var(--transition);
    margin-bottom: 0.25rem;
}

.footer__social:hover {
    color: var(--linen);
}

.footer__brand {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--steel);
}

.footer__creci {
    font-size: 0.75rem;
    color: var(--slate);
    letter-spacing: 0.05em;
}

.contato__instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--steel);
    margin-top: 0.75rem;
    transition: color var(--transition);
}

.contato__instagram:hover {
    color: var(--linen);
}

/* ===== WhatsApp Float ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    transition: transform var(--transition), box-shadow var(--transition);
    z-index: 90;
}

.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 768px) {
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--linen);
        padding: 5rem 2rem;
        transition: right var(--transition);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

    .header__nav.open {
        right: 0;
    }

    .header__menu {
        flex-direction: column;
        gap: 2rem;
    }

    .header__menu a {
        font-size: 1rem;
    }

    .header__toggle {
        display: flex;
    }

    .sobre__inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .sobre__image {
        max-width: 280px;
        margin: 0 auto;
    }

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

    .experiencia__inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .experiencia__image {
        order: -1;
        max-width: 300px;
        margin: 0 auto;
    }

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

    .footer__inner {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .btn {
        padding: 0.9rem 2rem;
        font-size: 0.8rem;
    }

    .whatsapp-float {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 48px;
        height: 48px;
    }
}