/* ============================================
   SM TENIS - Design System Global
   Dark Theme + Neon Blue/Cyan
   ============================================ */

/* ============================================
   GOOGLE FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Exo+2:wght@300;400;500;600;700;800&family=Barlow:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS VARIABLES - Design Tokens
   ============================================ */
:root {
    /* --- Cores Primarias (Azul Neon) --- */
    --primary-50: #e6f4ff;
    --primary-100: #b3deff;
    --primary-200: #80c8ff;
    --primary-300: #4db2ff;
    --primary-400: #1a9cff;
    --primary-500: #0080ff;
    --primary-600: #0066cc;
    --primary-700: #004d99;
    --primary-800: #003366;
    --primary-900: #001a33;

    /* --- Cores Accent (Ciano Neon) --- */
    --accent-50: #e6fcff;
    --accent-100: #b3f5ff;
    --accent-200: #80eeff;
    --accent-300: #4de8ff;
    --accent-400: #1ae1ff;
    --accent-500: #00d4ff;
    --accent-600: #00aacc;
    --accent-700: #008099;
    --accent-800: #005566;
    --accent-900: #002b33;

    /* --- Superficies Dark --- */
    --bg-deep: #050a12;
    --bg-primary: #0a0f1c;
    --bg-secondary: #0f1629;
    --bg-tertiary: #141c35;
    --bg-elevated: #192240;
    --bg-card: #111827;
    --bg-card-hover: #162036;
    --bg-input: #0d1322;
    --bg-overlay: rgba(5, 10, 18, 0.85);

    /* --- Bordas --- */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.15);
    --border-neon: rgba(0, 128, 255, 0.3);
    --border-neon-strong: rgba(0, 128, 255, 0.6);

    /* --- Texto --- */
    --text-primary: #f0f4ff;
    --text-secondary: #8892a8;
    --text-tertiary: #5a6478;
    --text-muted: #3d4556;
    --text-inverse: #0a0f1c;
    --text-link: var(--primary-400);
    --text-neon: var(--accent-400);

    /* --- Status --- */
    --success-500: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.3);
    --warning-500: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.3);
    --danger-500: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --danger-border: rgba(239, 68, 68, 0.3);
    --info-500: var(--primary-400);
    --info-bg: rgba(0, 128, 255, 0.1);
    --info-border: rgba(0, 128, 255, 0.3);

    /* --- Neon Glows --- */
    --glow-blue: 0 0 20px rgba(0, 128, 255, 0.3), 0 0 40px rgba(0, 128, 255, 0.1);
    --glow-blue-strong: 0 0 20px rgba(0, 128, 255, 0.5), 0 0 60px rgba(0, 128, 255, 0.2);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
    --glow-cyan-strong: 0 0 20px rgba(0, 212, 255, 0.5), 0 0 60px rgba(0, 212, 255, 0.2);
    --glow-text: 0 0 10px rgba(0, 128, 255, 0.5);
    --glow-card: 0 4px 30px rgba(0, 0, 0, 0.4), 0 0 1px rgba(0, 128, 255, 0.2);

    /* --- Tipografia --- */
    --font-display: 'Rajdhani', sans-serif;
    --font-heading: 'Exo 2', sans-serif;
    --font-body: 'Barlow', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    --leading-tight: 1.15;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;

    /* --- Espacamento --- */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* --- Border Radius --- */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* --- Sombras --- */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);

    /* --- Transicoes --- */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;

    /* --- Z-Index --- */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;

    /* --- Container --- */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1400px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-700) var(--bg-primary);
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-deep);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Scrollbar customizada - Webkit */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-700);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-600);
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
    color: var(--accent-400);
}

a:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

strong, b {
    font-weight: 600;
    color: var(--text-primary);
}

small {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

/* ============================================
   ELEMENTOS BASE
   ============================================ */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--sm { max-width: var(--container-sm); }
.container--md { max-width: var(--container-md); }
.container--lg { max-width: var(--container-lg); }
.container--2xl { max-width: var(--container-2xl); }

.section {
    padding: var(--space-20) 0;
}

.section--sm {
    padding: var(--space-12) 0;
}

/* ============================================
   BOTOES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all var(--duration-normal) var(--ease-out);
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.btn:hover::before {
    opacity: 1;
}

.btn:active {
    transform: scale(0.97);
}

/* Primary */
.btn--primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: #ffffff;
    box-shadow: var(--glow-blue);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-500) 100%);
    box-shadow: var(--glow-blue-strong);
    transform: translateY(-1px);
}

/* Accent/Neon */
.btn--accent {
    background: linear-gradient(135deg, var(--accent-500) 0%, var(--primary-500) 100%);
    color: #ffffff;
    box-shadow: var(--glow-cyan);
}

.btn--accent:hover {
    box-shadow: var(--glow-cyan-strong);
    transform: translateY(-1px);
}

/* Outline */
.btn--outline {
    background: transparent;
    color: var(--primary-400);
    border-color: var(--border-neon);
}

.btn--outline:hover {
    background: rgba(0, 128, 255, 0.08);
    border-color: var(--border-neon-strong);
    color: var(--primary-300);
}

/* Ghost */
.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* Danger */
.btn--danger {
    background: linear-gradient(135deg, var(--danger-500) 0%, #dc2626 100%);
    color: #ffffff;
}

.btn--danger:hover {
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

/* Success */
.btn--success {
    background: linear-gradient(135deg, var(--success-500) 0%, #059669 100%);
    color: #ffffff;
}

.btn--success:hover {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
    transform: translateY(-1px);
}

/* Tamanhos */
.btn--sm {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-4);
}

.btn--lg {
    font-size: var(--text-base);
    padding: var(--space-4) var(--space-8);
}

.btn--xl {
    font-size: var(--text-lg);
    padding: var(--space-5) var(--space-10);
}

.btn--full {
    width: 100%;
}

.btn--icon {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   INPUTS / FORMULARIOS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: all var(--duration-fast) var(--ease-out);
}

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

.form-input:hover {
    border-color: var(--border-strong);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 128, 255, 0.15);
    background: var(--bg-secondary);
}

.form-input--error {
    border-color: var(--danger-500);
}

.form-input--error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
    font-size: var(--text-sm);
    color: var(--danger-500);
    margin-top: var(--space-1);
}

.form-hint {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
    border-color: var(--border-neon);
    box-shadow: var(--glow-card);
    transform: translateY(-2px);
}

.card__image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-secondary);
}

.card__body {
    padding: var(--space-5);
}

.card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

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

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.badge--neon {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-400);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.badge--success {
    background: var(--success-bg);
    color: var(--success-500);
    border: 1px solid var(--success-border);
}

.badge--warning {
    background: var(--warning-bg);
    color: var(--warning-500);
    border: 1px solid var(--warning-border);
}

.badge--danger {
    background: var(--danger-bg);
    color: var(--danger-500);
    border: 1px solid var(--danger-border);
}

.badge--primary {
    background: var(--info-bg);
    color: var(--primary-400);
    border: 1px solid var(--info-border);
}

/* ============================================
   NEON PRICE TAG
   ============================================ */
.price {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--accent-400);
    text-shadow: var(--glow-text);
}

.price--sm { font-size: var(--text-lg); }
.price--md { font-size: var(--text-2xl); }
.price--lg { font-size: var(--text-4xl); }

.price__original {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text-tertiary);
    text-decoration: line-through;
    text-shadow: none;
    margin-left: var(--space-2);
}

.price__discount {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--success-500);
    margin-left: var(--space-2);
}

/* ============================================
   LOADING / SKELETON
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-secondary) 0%,
        var(--bg-tertiary) 50%,
        var(--bg-secondary) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border-default);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner--sm { width: 1.25rem; height: 1.25rem; border-width: 2px; }
.spinner--lg { width: 3rem; height: 3rem; border-width: 4px; }

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-4);
    z-index: var(--z-overlay);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   TOAST / NOTIFICACOES
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    pointer-events: all;
    animation: toast-in var(--duration-slow) var(--ease-spring);
    max-width: 400px;
}

.toast--success { border-left: 3px solid var(--success-500); }
.toast--error { border-left: 3px solid var(--danger-500); }
.toast--warning { border-left: 3px solid var(--warning-500); }
.toast--info { border-left: 3px solid var(--primary-400); }

.toast__message {
    font-size: var(--text-sm);
    color: var(--text-primary);
    flex: 1;
}

.toast__close {
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-1);
    transition: color var(--duration-fast) var(--ease-out);
}

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

.toast.removing {
    animation: toast-out var(--duration-normal) var(--ease-out) forwards;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(100px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes toast-out {
    to {
        opacity: 0;
        transform: translateX(100px) scale(0.9);
    }
}

/* ============================================
   MODAL / DIALOG
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-out);
    padding: var(--space-6);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--glow-blue);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--duration-slow) var(--ease-spring);
}

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

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.modal__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
}

.modal__body {
    padding: var(--space-6);
}

.modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--border-subtle);
}

/* ============================================
   NEON LINE DECORATIVA
   ============================================ */
.neon-line {
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--primary-500) 20%,
        var(--accent-400) 50%,
        var(--primary-500) 80%,
        transparent 100%
    );
    box-shadow: var(--glow-blue);
}

.neon-line--vertical {
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--primary-500) 20%,
        var(--accent-400) 50%,
        var(--primary-500) 80%,
        transparent 100%
    );
}

/* ============================================
   ANIMACOES GLOBAIS
   ============================================ */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes neon-pulse {
    0%, 100% {
        box-shadow: var(--glow-blue);
    }
    50% {
        box-shadow: var(--glow-blue-strong);
    }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

/* Classes de animacao */
.animate-fade-in { animation: fade-in var(--duration-slow) var(--ease-out); }
.animate-fade-in-up { animation: fade-in-up var(--duration-slow) var(--ease-out); }
.animate-fade-in-down { animation: fade-in-down var(--duration-slow) var(--ease-out); }
.animate-scale-in { animation: scale-in var(--duration-slow) var(--ease-spring); }
.animate-neon-pulse { animation: neon-pulse 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Stagger delays */
.delay-1 { animation-delay: 100ms; animation-fill-mode: backwards; }
.delay-2 { animation-delay: 200ms; animation-fill-mode: backwards; }
.delay-3 { animation-delay: 300ms; animation-fill-mode: backwards; }
.delay-4 { animation-delay: 400ms; animation-fill-mode: backwards; }
.delay-5 { animation-delay: 500ms; animation-fill-mode: backwards; }

/* ============================================
   TEXTO UTILITARIOS
   ============================================ */
.text-neon {
    color: var(--accent-400);
    text-shadow: var(--glow-text);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-400), var(--accent-400));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-uppercase { text-transform: uppercase; letter-spacing: var(--tracking-wide); }

/* ============================================
   DISPLAY UTILITARIOS
   ============================================ */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   BACKGROUND PATTERNS
   ============================================ */
.bg-grid {
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

.bg-dots {
    background-image: radial-gradient(
        rgba(0, 128, 255, 0.08) 1px,
        transparent 1px
    );
    background-size: 24px 24px;
}

.bg-gradient-radial {
    background: radial-gradient(
        ellipse at 50% 0%,
        rgba(0, 128, 255, 0.08) 0%,
        transparent 70%
    );
}

/* ============================================
   FREE DELIVERY BADGE
   ============================================ */
.free-delivery {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--success-500);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.free-delivery::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--success-500);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--success-500);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-12) 0;
    }

    .toast-container {
        top: auto;
        bottom: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
    }

    .toast {
        max-width: 100%;
    }

    .modal-overlay {
        padding: var(--space-4);
        align-items: flex-end;
    }

    .modal {
        max-height: 85vh;
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    }
}

@media (max-width: 480px) {
    :root {
        --text-5xl: 1.875rem;
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
    }

    .btn--lg {
        font-size: var(--text-sm);
        padding: var(--space-3) var(--space-6);
    }
}