/* ============================================
   GALERIA DOS CALÇADOS — DESIGN SYSTEM
   Premium institutional website
   ============================================ */

/* ==================== VARIABLES ==================== */
:root {
    /* Colors */
    --brand: #BC4B2E;
    --brand-light: #D97058;
    --brand-dark: #8E3722;
    --black: #0d0d0d;
    --dark: #1a1a1a;
    --dark-2: #2d2d2d;
    --dark-3: #3a3a3a;
    --gray: #888;
    --gray-light: #b0b0b0;
    --white: #ffffff;
    --off-white: #f8f6f2;
    --cream: #faf7f0;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, var(--brand), var(--brand-light));
    --gradient-dark: linear-gradient(180deg, var(--dark), var(--black));
    --gradient-hero: linear-gradient(135deg, rgba(13,13,13,0.92) 0%, rgba(26,26,26,0.85) 50%, rgba(45,45,45,0.78) 100%);

    /* Typography */
    --font-body: 'Montserrat', sans-serif;
    --font-heading: 'Playfair Display', serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transition */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);
    --shadow-brand: 0 4px 20px rgba(188,75,46,0.3);

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ==================== UTILITIES ==================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.accent {
    color: var(--brand);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.btn--primary {
    background: var(--gradient-brand);
    color: var(--white);
    border-color: var(--brand);
    box-shadow: var(--shadow-brand);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(188,75,46,0.45);
    background: linear-gradient(135deg, var(--brand-light), var(--brand));
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn--outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn--large {
    padding: 16px 40px;
    font-size: 1.05rem;
}

/* ==================== SECTION HEADER ==================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header__badge {
    display: inline-block;
    background: var(--gradient-brand);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-header__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
}

.section-header__description {
    margin-top: 16px;
    color: var(--gray);
    font-size: 1.05rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== ANIMATIONS ==================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes scrollCarousel {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(13,13,13,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.header__logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.header__logo-img {
    height: 70px;
    width: 70px;
    object-fit: contain;
    transition: var(--transition);
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 8px;
    box-shadow: var(--shadow-sm);
}

.header.scrolled .header__logo-img {
    height: 60px;
    width: 60px;
    padding: 6px;
}

.header__logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--dark);
}

.header__logo-text {
    display: flex;
    flex-direction: column;
}

.header__logo-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--white);
    line-height: 1.2;
}

.header__logo-tagline {
    font-size: 0.7rem;
    color: var(--brand);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 500;
}

.header__nav-list {
    display: flex;
    gap: 8px;
}

.header__nav-link {
    color: rgba(255,255,255,0.8);
    padding: 8px 18px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.header__nav-link:hover,
.header__nav-link.active {
    color: var(--white);
    background: rgba(188,75,46,0.15);
}

.header__nav-link.active {
    color: var(--brand);
}

/* Hamburger */
.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.header__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.header__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.active span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== HERO ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('assets/img/2.jpeg') center center / cover no-repeat;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero__particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero__particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--brand);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.hero__container {
    position: relative;
    z-index: 3;
    text-align: center;
    padding-top: 80px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(188,75,46,0.15);
    border: 1px solid rgba(188,75,46,0.3);
    padding: 8px 22px;
    border-radius: var(--radius-xl);
    color: var(--brand);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero__title-accent {
    background: linear-gradient(135deg, var(--brand), var(--brand-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.75);
    max-width: 650px;
    margin: 0 auto 36px;
    font-weight: 300;
    line-height: 1.8;
}

.hero__subtitle strong {
    color: var(--white);
    font-weight: 600;
}

.hero__cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

/* Stats */
.hero__stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand);
    line-height: 1;
}

.hero__stat-suffix {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--brand);
}

.hero__stat-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Scroll indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    color: rgba(255,255,255,0.5);
    font-size: 1.2rem;
    animation: bounceDown 2s ease-in-out infinite;
}

.hero__scroll-indicator:hover {
    color: var(--brand);
}

/* ==================== SOBRE ==================== */
.sobre {
    padding: var(--section-padding);
    background: var(--cream);
    position: relative;
    overflow: hidden;
}

.sobre::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(188,75,46,0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.sobre__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.sobre__image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.sobre__image-wrapper img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.sobre__image-wrapper:hover img {
    transform: scale(1.05);
}

.sobre__image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(13,13,13,0.85);
    backdrop-filter: blur(10px);
    padding: 14px 22px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid rgba(188,75,46,0.3);
}

.sobre__image-badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--brand);
    line-height: 1;
}

.sobre__image-badge-text {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sobre__text-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    margin-bottom: 18px;
    color: var(--dark);
}

.sobre__text p {
    color: var(--dark-3);
    margin-bottom: 16px;
    font-size: 0.98rem;
}

.sobre__features {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.sobre__feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.sobre__feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gradient-brand);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-size: 1.1rem;
}

.sobre__feature strong {
    display: block;
    font-size: 0.95rem;
    color: var(--dark);
    margin-bottom: 2px;
}

.sobre__feature p {
    font-size: 0.85rem !important;
    color: var(--gray) !important;
    margin-bottom: 0 !important;
}

/* ==================== CATEGORIAS ==================== */
.categorias {
    padding: var(--section-padding);
    background: var(--white);
}

.categorias__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.categoria-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

.categoria-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.categoria-card__image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

.categoria-card:hover .categoria-card__image img {
    transform: scale(1.08);
}

.categoria-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5) 100%);
}

.categoria-card__content {
    padding: 24px;
}

.categoria-card__tag {
    display: inline-block;
    background: rgba(188,75,46,0.12);
    color: var(--brand-dark);
    padding: 4px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.categoria-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.categoria-card__desc {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.6;
}

.categoria-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.categoria-card__link:hover {
    color: var(--brand);
    gap: 12px;
}

/* ==================== DESTAQUES ==================== */
.destaques {
    padding: 80px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.destaques::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(188,75,46,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.destaques__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.destaque-item {
    text-align: center;
    padding: 30px 20px;
}

.destaque-item__icon {
    width: 64px;
    height: 64px;
    background: rgba(188,75,46,0.1);
    border: 1px solid rgba(188,75,46,0.25);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.4rem;
    color: var(--brand);
    transition: var(--transition);
}

.destaque-item:hover .destaque-item__icon {
    background: var(--gradient-brand);
    color: var(--white);
    transform: scale(1.1);
    border-color: var(--brand);
}

.destaque-item__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 8px;
}

.destaque-item__text {
    font-size: 0.88rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ==================== MARCAS ==================== */
.marcas {
    padding: var(--section-padding);
    background: var(--cream);
    overflow: hidden;
}

.marcas__carousel {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marcas__track {
    display: flex;
    gap: 30px;
    animation: scrollCarousel 25s linear infinite;
    width: max-content;
}

.marcas__track:hover {
    animation-play-state: paused;
}

.marca-item {
    flex-shrink: 0;
    background: var(--white);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: var(--radius-md);
    padding: 24px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    transition: var(--transition);
}

.marca-item:hover {
    border-color: var(--brand);
    box-shadow: var(--shadow-brand);
    transform: scale(1.05);
}

.marca-item span {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark-2);
    letter-spacing: 0.5px;
}

/* ==================== CONTATO ==================== */
.contato {
    padding: var(--section-padding);
    background: var(--white);
}

.contato__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.contato__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contato__info-card {
    background: var(--cream);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}

.contato__info-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contato__info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contato__info-card h3 i {
    color: var(--brand);
}

.contato__info-card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.contato__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-dark);
    font-weight: 600;
    font-size: 0.88rem;
}

.contato__link:hover {
    color: var(--brand);
}

.contato__link--whatsapp {
    color: #25D366;
}

.contato__link--whatsapp:hover {
    color: #128C7E;
}

.contato__hours {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contato__hour-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.92rem;
    color: var(--dark-3);
    padding: 6px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.contato__hour-row--closed strong {
    color: #e74c3c;
}

.contato__map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 100%;
    min-height: 450px;
    border: 1px solid rgba(0,0,0,0.06);
}

.contato__map-wrapper iframe {
    display: block;
}

/* ==================== CTA FINAL ==================== */
.cta-final {
    padding: 100px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(188,75,46,0.1) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-final__content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-final__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 16px;
}

.cta-final__text {
    color: var(--gray-light);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.cta-final__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--black);
    padding: 60px 0 0;
    color: rgba(255,255,255,0.7);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer__logo-img {
    height: 90px;
    width: 90px;
    object-fit: contain;
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 10px;
    box-shadow: var(--shadow-sm);
}

.footer__logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--dark);
}

.footer__logo-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--white);
    display: block;
    line-height: 1.2;
}

.footer__logo-tagline {
    font-size: 0.65rem;
    color: var(--brand);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer__about p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer__links h4,
.footer__contact h4,
.footer__social h4 {
    font-family: var(--font-heading);
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 18px;
}

.footer__links ul li {
    margin-bottom: 10px;
}

.footer__links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

.footer__links a:hover {
    color: var(--brand);
    padding-left: 4px;
}

.footer__contact ul li {
    margin-bottom: 10px;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__contact ul li i {
    color: var(--brand);
    width: 16px;
}

.footer__contact a {
    color: rgba(255,255,255,0.6);
}

.footer__contact a:hover {
    color: var(--brand);
}

.footer__social-links {
    display: flex;
    gap: 12px;
}

.footer__social-link {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 1.05rem;
    transition: var(--transition);
}

.footer__social-link:hover {
    background: var(--gradient-brand);
    color: var(--dark);
    border-color: var(--brand);
    transform: translateY(-3px);
}

.footer__bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

.footer__credits a {
    color: var(--brand);
    font-weight: 600;
}

.footer__credits a:hover {
    text-decoration: underline;
}

/* ==================== WHATSAPP FLOAT ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366; /* WhatsApp Green */
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37,211,102,0.55);
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 72px;
    background: var(--dark);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 44px;
    height: 44px;
    background: var(--dark);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--brand);
    color: var(--dark);
    border-color: var(--brand);
}

/* ==================== RESPONSIVE ==================== */

/* Tablet */
@media (max-width: 1024px) {
    .sobre__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .sobre__image-wrapper img {
        height: 350px;
    }

    .categorias__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .destaques__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    /* Mobile Navigation */
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(13,13,13,0.98);
        backdrop-filter: blur(20px);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition-slow);
        z-index: 1000;
    }

    .header__nav.open {
        right: 0;
    }

    .header__nav-list {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .header__nav-link {
        font-size: 1.1rem;
        padding: 12px 30px;
    }

    .header__hamburger {
        display: flex;
    }

    /* Hero */
    .hero__stats {
        gap: 24px;
    }

    .hero__stat-number {
        font-size: 2rem;
    }

    /* Categories */
    .categorias__grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }

    /* Destaques */
    .destaques__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    /* Contact */
    .contato__grid {
        grid-template-columns: 1fr;
    }

    .contato__map-wrapper {
        min-height: 300px;
    }

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

    .footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    /* WhatsApp float */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
    }

    .whatsapp-float__tooltip {
        display: none;
    }

    .back-to-top {
        left: 20px;
        bottom: 20px;
        width: 38px;
        height: 38px;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero__title {
        font-size: 2.2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero__stats {
        flex-direction: column;
        gap: 16px;
    }

    .cta-final__buttons {
        flex-direction: column;
        align-items: center;
    }
}