/* ==========================================================================
   E-commerce Endodoncia - Design System
   Minimalist, clinical aesthetic for dental equipment store
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F9F9F9;
    --color-bg-tertiary: #F3F4F6;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #666666;
    --color-text-muted: #9CA3AF;
    --color-accent: #0A2540;
    --color-accent-hover: #1E3A5F;
    --color-border: #E5E7EB;
    --color-shadow: rgba(0, 0, 0, 0.06);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px var(--color-shadow);
    --shadow-md: 0 4px 12px var(--color-shadow);
    --shadow-lg: 0 8px 24px var(--color-shadow);
    --shadow-xl: 0 16px 48px var(--color-shadow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --max-width: 1280px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
}

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

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

ul,
ol {
    list-style: none;
}

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    color: var(--color-text-secondary);
}

.text-muted {
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section--alt {
    background-color: var(--color-bg-secondary);
}

.grid {
    display: grid;
    gap: var(--spacing-xl);
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.flex {
    display: flex;
}

.flex--center {
    align-items: center;
    justify-content: center;
}

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

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

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

.btn--outline {
    border: 1.5px solid var(--color-border);
    color: var(--color-text-primary);
    background-color: transparent;
}

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn--sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-xs);
}

.btn--icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo__img {
    height: auto;
    max-height: 50px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav__list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background-color: var(--color-bg-secondary);
    overflow: hidden;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__content {
    max-width: 560px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.hero__badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 480px;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image-wrapper {
    position: relative;
    width: 90%;
    max-width: 500px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-bg-tertiary) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    padding: var(--spacing-xl);
}

.hero__image-main {
    width: 95%;
    height: 95%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------------------
   Categories Section
   -------------------------------------------------------------------------- */
.categories {
    padding: var(--spacing-4xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.section__subtitle {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.categories__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.category-card {
    position: relative;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.category-card:hover {
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.category-card__icon {
    width: 100%;
    aspect-ratio: 4/3;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.category-card__icon svg {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
}

.category-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.category-card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.category-card__title::after {
    content: '↗';
    font-size: var(--font-size-sm);
    opacity: 0.5;
}

.category-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.category-card__arrow {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-base);
}

.category-card:hover .category-card__arrow {
    opacity: 1;
    transform: translateX(0);
}

/* --------------------------------------------------------------------------
   Products Section
   -------------------------------------------------------------------------- */
.products {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-secondary);
}

.products__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-card__image {
    position: relative;
    aspect-ratio: 4/3;
    background-color: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-card__image-placeholder {
    width: 60%;
    height: 60%;
    background: linear-gradient(135deg, #E5E7EB 0%, #D1D5DB 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card__image-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
}

.product-card__badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
}

.product-card__wishlist {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transition: all var(--transition-fast);
}

.product-card:hover .product-card__wishlist {
    opacity: 1;
}

.product-card__content {
    padding: var(--spacing-lg);
}

.product-card__brand {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.product-card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

.product-card__price {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
}

.product-card__price span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
}

/* --------------------------------------------------------------------------
   Stats Section
   -------------------------------------------------------------------------- */
.stats {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-2xl);
}

.stat-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.stat-card__number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Brands Section
   -------------------------------------------------------------------------- */
.brands {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-secondary);
}

.brands__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.brands__content h2 {
    margin-bottom: var(--spacing-lg);
}

.brands__content p {
    margin-bottom: var(--spacing-xl);
}

.brands__carousel {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
}

.brand-logo {
    padding: var(--spacing-lg) var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.brand-logo:hover {
    box-shadow: var(--shadow-md);
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer__brand {
    max-width: 300px;
}

.footer__brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    display: inline-block;
}

.footer__brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xl);
}

.footer__column h4 {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer__input {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.footer__input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer__input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    background-color: rgba(255, 255, 255, 0.15);
}

.footer__bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer__socials {
    display: flex;
    gap: var(--spacing-md);
}

.footer__socials a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer__socials a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.footer__socials svg {
    width: 18px;
    height: 18px;
}

/* --------------------------------------------------------------------------
   Responsive Styles
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        max-width: 640px;
        margin: 0 auto;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__image {
        display: none;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --spacing-4xl: 4rem;
    }

    .nav__list {
        display: none;
    }

    .nav__list.nav__list--open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--color-border);
        z-index: 1000;
        gap: var(--spacing-md);
        animation: slideDown 0.2s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav__list.nav__list--open .nav__link {
        display: block;
        padding: var(--spacing-sm) 0;
        font-size: var(--font-size-lg);
        border-bottom: 1px solid var(--color-bg-tertiary);
    }

    .nav__list.nav__list--open li:last-child .nav__link {
        border-bottom: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .header {
        position: relative;
    }

    .hero {
        min-height: auto;
        padding-top: var(--spacing-3xl);
        padding-bottom: var(--spacing-3xl);
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

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

    .category-card {
        flex-direction: row;
        align-items: stretch;
        height: 96px;
    }

    .category-card__icon {
        width: 33.33%;
        aspect-ratio: auto;
        height: 100%;
        margin-bottom: 0;
        border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    }

    .category-card__content {
        width: 66.67%;
        padding: var(--spacing-md) var(--spacing-lg);
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .category-card__title {
        font-size: var(--font-size-sm);
    }

    .category-card__desc {
        font-size: var(--font-size-xs);
    }

    .category-card__arrow {
        top: var(--spacing-md);
        right: var(--spacing-md);
    }

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

    .product-card {
        display: flex;
        flex-direction: row;
        align-items: stretch;
        height: 120px;
    }

    .product-card__image {
        width: 33.33%;
        aspect-ratio: auto;
        height: 100%;
    }

    .product-card__image-placeholder {
        width: 100%;
        height: 100%;
    }

    .product-card__content {
        width: 66.67%;
        padding: var(--spacing-md) var(--spacing-lg);
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .product-card__brand {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-xs);
    }

    .product-card__title {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
    }

    .product-card__footer {
        margin-top: 0;
    }

    .product-card__price {
        font-size: var(--font-size-base);
    }

    .product-card__price span {
        font-size: var(--font-size-xs);
    }

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

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

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

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

/* --------------------------------------------------------------------------
   Registration Modal
   -------------------------------------------------------------------------- */
.register-modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 37, 64, 0.55);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 1200;
}

.register-modal.active {
    opacity: 1;
    visibility: visible;
}

.register-modal__content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: min(520px, 100%);
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: translateY(10px) scale(0.98);
    transition: transform var(--transition-base);
}

.register-modal.active .register-modal__content {
    transform: translateY(0) scale(1);
}

.register-modal__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    color: var(--color-text-secondary);
    padding: 0.25rem;
}

.register-modal__close:hover {
    color: var(--color-text-primary);
}

.register-modal__badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    background: rgba(10, 37, 64, 0.08);
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.register-modal__title {
    font-size: clamp(1.6rem, 2vw, 2rem);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.register-modal__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.register-modal__alert {
    margin-top: var(--spacing-md);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.register-modal__alert--success {
    background: rgba(16, 185, 129, 0.12);
    color: #0f766e;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.register-modal__alert--error {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.register-modal__form {
    margin-top: var(--spacing-xl);
    display: grid;
    gap: var(--spacing-lg);
}

.register-modal__field {
    display: grid;
    gap: var(--spacing-xs);
}

.register-modal__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.register-modal__field input[type="text"],
.register-modal__field input[type="tel"],
.register-modal__field input[type="email"] {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    border: 1px solid transparent;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.register-modal__field input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.15);
}

.register-modal__options {
    display: flex;
    gap: var(--spacing-md);
}

.register-modal__option {
    flex: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.65rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.register-modal__option input {
    accent-color: var(--color-accent);
}

.register-modal__option:hover {
    border-color: var(--color-accent);
    background: var(--color-bg-secondary);
}

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

@media (max-width: 640px) {
    .register-modal {
        padding: var(--spacing-lg);
    }

    .register-modal__content {
        padding: var(--spacing-xl);
    }

    .register-modal__options {
        flex-direction: column;
    }
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

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

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

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

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

/* --------------------------------------------------------------------------
   WhatsApp Floating Button
   -------------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}