/**
 * Triathlon Store - Premium Theme
 * Estilo: Premium/Minimalista
 * Paleta: Azul Marinho + Cyan
 * Referencia: Cervelo, Shimano, Canyon
 */

/* ============================================
   1. CSS VARIABLES - DESIGN TOKENS
   ============================================ */

:root {
    /* Cores Primarias - Triatlo */
    --tri-navy: #0A1628;
    --tri-navy-medium: #1A2D4A;
    --tri-navy-light: #2A4365;

    /* Cyan - Destaque Aquatico */
    --tri-cyan: #00D4C4;
    --tri-cyan-dark: #00B5A6;
    --tri-cyan-light: #5EEAD4;
    --tri-cyan-glow: rgba(0, 212, 196, 0.15);

    /* Cores de Modalidade */
    --tri-swim: #0EA5E9;
    --tri-bike: #F97316;
    --tri-run: #22C55E;
    --tri-nutrition: #A855F7;
    --tri-electronics: #6366F1;

    /* Neutros Premium */
    --tri-white: #FFFFFF;
    --tri-gray-50: #F8FAFC;
    --tri-gray-100: #F1F5F9;
    --tri-gray-200: #E2E8F0;
    --tri-gray-300: #CBD5E1;
    --tri-gray-400: #94A3B8;
    --tri-gray-500: #64748B;
    --tri-gray-600: #475569;
    --tri-gray-700: #334155;
    --tri-gray-800: #1E293B;
    --tri-gray-900: #0F172A;

    /* Accent & Feedback */
    --tri-accent: #00D4C4;
    --tri-success: #22C55E;
    --tri-warning: #F59E0B;
    --tri-error: #EF4444;
    --tri-info: #0EA5E9;

    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-display: 'Montserrat', 'Inter', sans-serif;

    /* Escala Tipografica */
    --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;

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* 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: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-cyan: 0 8px 30px rgba(0, 212, 196, 0.15);
    --shadow-navy: 0 8px 30px rgba(10, 22, 40, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}


/* ============================================
   2. BASE STYLES
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.6;
    color: var(--tri-gray-900);
    background-color: var(--tri-white);
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin: 0 0 var(--space-4);
    color: var(--tri-navy);
}

h1 { font-size: var(--text-5xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-4xl); letter-spacing: -0.02em; }
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 {
    margin: 0 0 var(--space-4);
    color: var(--tri-gray-600);
}

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

a:hover {
    color: var(--tri-cyan-dark);
}

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

::selection {
    background-color: var(--tri-cyan);
    color: var(--tri-white);
}


/* ============================================
   3. LAYOUT UTILITIES
   ============================================ */

.tri-container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.tri-container-fluid {
    width: 100%;
    padding: 0 var(--space-4);
}

.tri-section {
    padding: var(--space-16) 0;
}

.tri-section-sm {
    padding: var(--space-8) 0;
}

.tri-section-lg {
    padding: var(--space-24) 0;
}

/* Flexbox utilities */
.tri-flex { display: flex; }
.tri-flex-col { flex-direction: column; }
.tri-flex-wrap { flex-wrap: wrap; }
.tri-items-center { align-items: center; }
.tri-items-start { align-items: flex-start; }
.tri-items-end { align-items: flex-end; }
.tri-justify-center { justify-content: center; }
.tri-justify-between { justify-content: space-between; }
.tri-justify-end { justify-content: flex-end; }
.tri-gap-2 { gap: var(--space-2); }
.tri-gap-4 { gap: var(--space-4); }
.tri-gap-6 { gap: var(--space-6); }
.tri-gap-8 { gap: var(--space-8); }

/* Grid utilities */
.tri-grid { display: grid; }
.tri-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.tri-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.tri-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }


/* ============================================
   4. BUTTONS
   ============================================ */

.tri-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1.5;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.tri-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--tri-cyan-glow);
}

/* Primary Button - Cyan */
.tri-btn-primary {
    background-color: var(--tri-cyan);
    color: var(--tri-navy);
    border-color: var(--tri-cyan);
}

.tri-btn-primary:hover {
    background-color: var(--tri-cyan-dark);
    border-color: var(--tri-cyan-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-cyan);
}

/* Secondary Button - Navy */
.tri-btn-secondary {
    background-color: var(--tri-navy);
    color: var(--tri-white);
    border-color: var(--tri-navy);
}

.tri-btn-secondary:hover {
    background-color: var(--tri-navy-medium);
    border-color: var(--tri-navy-medium);
    transform: translateY(-2px);
    box-shadow: var(--shadow-navy);
}

/* Outline Button */
.tri-btn-outline {
    background-color: transparent;
    color: var(--tri-navy);
    border-color: var(--tri-gray-300);
}

.tri-btn-outline:hover {
    border-color: var(--tri-cyan);
    color: var(--tri-cyan);
    background-color: rgba(0, 212, 196, 0.05);
}

/* Ghost Button */
.tri-btn-ghost {
    background-color: transparent;
    color: var(--tri-gray-600);
    border-color: transparent;
}

.tri-btn-ghost:hover {
    background-color: var(--tri-gray-100);
    color: var(--tri-navy);
}

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

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

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

/* Icon Button */
.tri-btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

.tri-btn-icon.tri-btn-sm {
    width: 32px;
    height: 32px;
}

.tri-btn-icon.tri-btn-lg {
    width: 48px;
    height: 48px;
}


/* ============================================
   5. CARDS
   ============================================ */

.tri-card {
    background: var(--tri-white);
    border: 1px solid var(--tri-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.tri-card:hover {
    border-color: var(--tri-cyan);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-4px);
}

.tri-card-body {
    padding: var(--space-6);
}

.tri-card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--tri-gray-200);
    background-color: var(--tri-gray-50);
}

.tri-card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--tri-gray-200);
    background-color: var(--tri-gray-50);
}

/* Product Card */
.tri-product-card {
    background: var(--tri-white);
    border: 1px solid var(--tri-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.tri-product-card:hover {
    border-color: var(--tri-cyan);
    box-shadow: var(--shadow-cyan);
    transform: translateY(-4px);
}

.tri-product-card-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--tri-gray-100);
}

.tri-product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.tri-product-card:hover .tri-product-card-image img {
    transform: scale(1.05);
}

.tri-product-card-body {
    padding: var(--space-4);
}

.tri-product-card-category {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tri-gray-500);
    margin-bottom: var(--space-1);
}

.tri-product-card-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--tri-navy);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.tri-product-card-title a {
    color: inherit;
    text-decoration: none;
}

.tri-product-card-title a:hover {
    color: var(--tri-cyan);
}

.tri-product-card-price {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--tri-navy);
}

.tri-product-card-price-old {
    font-size: var(--text-sm);
    color: var(--tri-gray-400);
    text-decoration: line-through;
    margin-right: var(--space-2);
}


/* ============================================
   6. BADGES & LABELS
   ============================================ */

.tri-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

/* Discipline Badges */
.tri-badge-swim {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--tri-swim);
}

.tri-badge-bike {
    background-color: rgba(249, 115, 22, 0.1);
    color: var(--tri-bike);
}

.tri-badge-run {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--tri-run);
}

.tri-badge-nutrition {
    background-color: rgba(168, 85, 247, 0.1);
    color: var(--tri-nutrition);
}

.tri-badge-electronics {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--tri-electronics);
}

/* Status Badges */
.tri-badge-new {
    background-color: var(--tri-cyan);
    color: var(--tri-navy);
}

.tri-badge-bestseller {
    background-color: var(--tri-navy);
    color: var(--tri-white);
}

.tri-badge-sale {
    background-color: var(--tri-error);
    color: var(--tri-white);
}

.tri-badge-pro {
    background: linear-gradient(135deg, var(--tri-cyan) 0%, var(--tri-navy) 100%);
    color: var(--tri-white);
}

/* Position for product badges */
.tri-product-badges {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: 10;
}


/* ============================================
   7. FORMS
   ============================================ */

.tri-form-group {
    margin-bottom: var(--space-4);
}

.tri-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--tri-gray-700);
    margin-bottom: var(--space-2);
}

.tri-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--tri-gray-900);
    background-color: var(--tri-white);
    border: 1px solid var(--tri-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tri-input:focus {
    outline: none;
    border-color: var(--tri-cyan);
    box-shadow: 0 0 0 3px var(--tri-cyan-glow);
}

.tri-input::placeholder {
    color: var(--tri-gray-400);
}

.tri-input-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-lg);
}

/* Search Input */
.tri-search {
    position: relative;
}

.tri-search-input {
    padding-left: var(--space-10);
}

.tri-search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--tri-gray-400);
    font-size: var(--text-lg);
}

/* Select */
.tri-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 16px;
    padding-right: var(--space-10);
}


/* ============================================
   8. NAVIGATION
   ============================================ */

.tri-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.tri-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--tri-gray-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tri-nav-link:hover {
    color: var(--tri-cyan);
    background-color: rgba(0, 212, 196, 0.05);
}

.tri-nav-link.active {
    color: var(--tri-cyan);
    background-color: rgba(0, 212, 196, 0.1);
}

/* Main Menu */
.tri-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.tri-menu-item {
    position: relative;
}

.tri-menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tri-gray-700);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.tri-menu-link:hover {
    color: var(--tri-cyan);
}

/* Mega Menu */
.tri-mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 600px;
    background: var(--tri-white);
    border: 1px solid var(--tri-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.tri-menu-item:hover .tri-mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}


/* ============================================
   9. HEADER
   ============================================ */

.tri-header {
    position: sticky;
    top: 0;
    background: var(--tri-white);
    border-bottom: 1px solid var(--tri-gray-200);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.tri-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.tri-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 var(--space-4);
}

.tri-logo {
    flex-shrink: 0;
}

.tri-logo img {
    height: 40px;
    width: auto;
}

.tri-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Cart Icon with Badge */
.tri-cart-icon {
    position: relative;
}

.tri-cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: var(--font-bold);
    color: var(--tri-white);
    background: var(--tri-cyan);
    border-radius: var(--radius-full);
    padding: 0 4px;
}


/* ============================================
   10. FOOTER
   ============================================ */

.tri-footer {
    background: var(--tri-navy);
    color: var(--tri-gray-300);
}

.tri-footer a {
    color: var(--tri-gray-300);
    transition: color var(--transition-fast);
}

.tri-footer a:hover {
    color: var(--tri-cyan);
}

.tri-footer-main {
    padding: var(--space-16) 0;
}

.tri-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.tri-footer-title {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--tri-white);
    margin-bottom: var(--space-4);
}

.tri-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tri-footer-links li {
    margin-bottom: var(--space-3);
}

.tri-footer-links a {
    font-size: var(--text-sm);
}

/* Newsletter */
.tri-newsletter {
    display: flex;
    gap: var(--space-2);
}

.tri-newsletter-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: var(--tri-navy-medium);
    border: 1px solid var(--tri-navy-light);
    border-radius: var(--radius-md);
    color: var(--tri-white);
    font-size: var(--text-sm);
}

.tri-newsletter-input::placeholder {
    color: var(--tri-gray-400);
}

.tri-newsletter-input:focus {
    outline: none;
    border-color: var(--tri-cyan);
}

/* Footer Bottom */
.tri-footer-bottom {
    padding: var(--space-6) 0;
    border-top: 1px solid var(--tri-navy-light);
}

.tri-footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tri-footer-copyright {
    font-size: var(--text-sm);
    color: var(--tri-gray-400);
}

/* Social Icons */
.tri-social {
    display: flex;
    gap: var(--space-3);
}

.tri-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--tri-navy-medium);
    border-radius: var(--radius-md);
    color: var(--tri-gray-300);
    font-size: var(--text-lg);
    transition: all var(--transition-fast);
}

.tri-social-link:hover {
    background: var(--tri-cyan);
    color: var(--tri-navy);
    transform: translateY(-2px);
}


/* ============================================
   11. HERO SECTION
   ============================================ */

.tri-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--tri-navy) 0%, var(--tri-navy-medium) 100%);
    overflow: hidden;
}

.tri-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.tri-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10, 22, 40, 0.9) 0%, rgba(10, 22, 40, 0.5) 50%, rgba(10, 22, 40, 0.3) 100%);
}

.tri-hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.tri-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 212, 196, 0.15);
    border: 1px solid var(--tri-cyan);
    border-radius: var(--radius-full);
    color: var(--tri-cyan);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-6);
}

.tri-hero-title {
    font-size: var(--text-6xl);
    font-weight: var(--font-extrabold);
    color: var(--tri-white);
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.tri-hero-title span {
    color: var(--tri-cyan);
}

.tri-hero-text {
    font-size: var(--text-xl);
    color: var(--tri-gray-300);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.tri-hero-actions {
    display: flex;
    gap: var(--space-4);
}


/* ============================================
   12. SPORT CATEGORY CARDS
   ============================================ */

.tri-sport-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
}

.tri-sport-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.tri-sport-card:hover .tri-sport-card-bg {
    transform: scale(1.1);
}

.tri-sport-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 40, 0.8) 100%);
}

.tri-sport-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6);
    color: var(--tri-white);
}

.tri-sport-card-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-2);
}

.tri-sport-card-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--tri-white);
    margin-bottom: var(--space-1);
}

.tri-sport-card-count {
    font-size: var(--text-sm);
    color: var(--tri-cyan);
}

/* Sport color accents */
.tri-sport-card.swim .tri-sport-card-icon { color: var(--tri-swim); }
.tri-sport-card.bike .tri-sport-card-icon { color: var(--tri-bike); }
.tri-sport-card.run .tri-sport-card-icon { color: var(--tri-run); }


/* ============================================
   13. RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .tri-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tri-hero-title {
        font-size: var(--text-5xl);
    }

    .tri-mega-menu {
        width: 100%;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        border-radius: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
    }

    .tri-header-inner {
        height: 60px;
    }

    .tri-logo img {
        height: 32px;
    }

    .tri-hero {
        min-height: 70vh;
    }

    .tri-hero-content {
        text-align: center;
        padding: var(--space-8);
    }

    .tri-hero-actions {
        flex-direction: column;
    }

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

    .tri-footer-bottom-inner {
        flex-direction: column;
        gap: var(--space-4);
    }

    .tri-grid-cols-2,
    .tri-grid-cols-3,
    .tri-grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tri-section {
        padding: var(--space-10) 0;
    }

    .tri-btn {
        width: 100%;
    }

    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
}


/* ============================================
   14. UTILITIES
   ============================================ */

/* Text */
.tri-text-center { text-align: center; }
.tri-text-left { text-align: left; }
.tri-text-right { text-align: right; }

/* Colors */
.tri-text-navy { color: var(--tri-navy); }
.tri-text-cyan { color: var(--tri-cyan); }
.tri-text-white { color: var(--tri-white); }
.tri-text-gray { color: var(--tri-gray-600); }

.tri-bg-navy { background-color: var(--tri-navy); }
.tri-bg-cyan { background-color: var(--tri-cyan); }
.tri-bg-white { background-color: var(--tri-white); }
.tri-bg-gray { background-color: var(--tri-gray-50); }

/* Margin */
.tri-mt-0 { margin-top: 0; }
.tri-mt-4 { margin-top: var(--space-4); }
.tri-mt-8 { margin-top: var(--space-8); }
.tri-mb-0 { margin-bottom: 0; }
.tri-mb-4 { margin-bottom: var(--space-4); }
.tri-mb-8 { margin-bottom: var(--space-8); }

/* Visibility */
.tri-hidden { display: none; }
.tri-visible { visibility: visible; }
.tri-invisible { visibility: hidden; }

/* Animations */
@keyframes tri-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes tri-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.tri-animate-fade-in { animation: tri-fade-in 0.5s ease forwards; }
.tri-animate-slide-up { animation: tri-slide-up 0.5s ease forwards; }
.tri-animate-pulse { animation: tri-pulse 2s ease infinite; }


/* ============================================
   15. MICRO-INTERACTIONS & ANIMATIONS
   ============================================ */

/* Keyframe Animations */
@keyframes tri-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes tri-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes tri-scale-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes tri-slide-in-right {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes tri-slide-in-left {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes tri-glow {
    0%, 100% { box-shadow: 0 0 5px var(--tri-cyan-glow); }
    50% { box-shadow: 0 0 20px var(--tri-cyan-glow), 0 0 30px var(--tri-cyan-glow); }
}

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

@keyframes tri-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes tri-ripple {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(4); opacity: 0; }
}

/* Animation Classes */
.tri-animate-bounce { animation: tri-bounce 0.6s ease; }
.tri-animate-shake { animation: tri-shake 0.5s ease; }
.tri-animate-scale-in { animation: tri-scale-in 0.3s ease forwards; }
.tri-animate-slide-right { animation: tri-slide-in-right 0.4s ease forwards; }
.tri-animate-slide-left { animation: tri-slide-in-left 0.4s ease forwards; }
.tri-animate-glow { animation: tri-glow 2s ease-in-out infinite; }
.tri-animate-spin { animation: tri-spin 1s linear infinite; }

/* Stagger Animation Delays */
.tri-stagger-1 { animation-delay: 0.1s; }
.tri-stagger-2 { animation-delay: 0.2s; }
.tri-stagger-3 { animation-delay: 0.3s; }
.tri-stagger-4 { animation-delay: 0.4s; }
.tri-stagger-5 { animation-delay: 0.5s; }

/* Scroll Reveal - starts hidden */
.tri-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.tri-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Skeleton Loading */
.tri-skeleton {
    background: linear-gradient(90deg,
        var(--tri-gray-200) 0%,
        var(--tri-gray-100) 50%,
        var(--tri-gray-200) 100%);
    background-size: 200% 100%;
    animation: tri-skeleton 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

.tri-skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.tri-skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 12px;
}

.tri-skeleton-image {
    aspect-ratio: 1;
    width: 100%;
}

/* Button Ripple Effect */
.tri-btn-ripple {
    position: relative;
    overflow: hidden;
}

.tri-btn-ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.3) 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 1s;
}

.tri-btn-ripple:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

/* Interactive Hover States */
.tri-hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.tri-hover-scale {
    transition: transform var(--transition-base);
}

.tri-hover-scale:hover {
    transform: scale(1.02);
}

.tri-hover-glow {
    transition: box-shadow var(--transition-base);
}

.tri-hover-glow:hover {
    box-shadow: var(--shadow-cyan);
}

/* Focus States */
.tri-focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--tri-cyan-glow);
}

.tri-focus-ring:focus-visible {
    outline: 2px solid var(--tri-cyan);
    outline-offset: 2px;
}

/* Smooth Image Zoom on Hover */
.tri-img-zoom {
    overflow: hidden;
}

.tri-img-zoom img {
    transition: transform var(--transition-slow);
}

.tri-img-zoom:hover img {
    transform: scale(1.08);
}

/* Underline animation on hover */
.tri-underline-hover {
    position: relative;
}

.tri-underline-hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tri-cyan);
    transition: width var(--transition-base);
}

.tri-underline-hover:hover::after {
    width: 100%;
}

/* Icon rotation on hover */
.tri-icon-rotate {
    transition: transform var(--transition-base);
}

.tri-icon-rotate:hover {
    transform: rotate(15deg);
}

/* Counter Animation (for stats) */
.tri-counter {
    font-variant-numeric: tabular-nums;
}

/* Notification Badge Pulse */
.tri-badge-notify {
    position: relative;
}

.tri-badge-notify::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: var(--tri-error);
    border-radius: 50%;
    animation: tri-pulse 1.5s ease-in-out infinite;
}

/* Toast/Alert Slide In */
.tri-toast-enter {
    animation: tri-slide-in-right 0.3s ease forwards;
}

.tri-toast-exit {
    animation: tri-slide-in-right 0.3s ease reverse forwards;
}

/* Loading Spinner */
.tri-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--tri-gray-200);
    border-top-color: var(--tri-cyan);
    border-radius: 50%;
    animation: tri-spin 0.8s linear infinite;
}

.tri-spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* Progress Bar Animation */
.tri-progress {
    height: 4px;
    background: var(--tri-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.tri-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--tri-cyan) 0%, var(--tri-cyan-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

/* Accordion Animation */
.tri-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tri-accordion-content.open {
    max-height: 1000px;
}

/* Tooltip Animation */
.tri-tooltip {
    position: relative;
}

.tri-tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: var(--space-2) var(--space-3);
    background: var(--tri-navy);
    color: var(--tri-white);
    font-size: var(--text-xs);
    white-space: nowrap;
    border-radius: var(--radius-sm);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.tri-tooltip:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Floating Label Input */
.tri-float-label {
    position: relative;
}

.tri-float-label input {
    padding-top: var(--space-6);
}

.tri-float-label label {
    position: absolute;
    top: 50%;
    left: var(--space-4);
    transform: translateY(-50%);
    transition: all var(--transition-fast);
    pointer-events: none;
    color: var(--tri-gray-400);
}

.tri-float-label input:focus + label,
.tri-float-label input:not(:placeholder-shown) + label {
    top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--tri-cyan);
}

/* Price Change Animation */
.tri-price-change {
    transition: color 0.3s ease, transform 0.3s ease;
}

.tri-price-change.updated {
    animation: tri-bounce 0.4s ease;
    color: var(--tri-success);
}

/* Add to Cart Success */
.tri-cart-success {
    animation: tri-scale-in 0.3s ease, tri-bounce 0.4s ease 0.3s;
}

/* Quantity Input Buttons */
.tri-qty-btn {
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tri-qty-btn:active {
    transform: scale(0.95);
}

/* Card Flip Effect */
.tri-flip-card {
    perspective: 1000px;
}

.tri-flip-card-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.tri-flip-card:hover .tri-flip-card-inner {
    transform: rotateY(180deg);
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .tri-reveal {
        opacity: 1;
        transform: none;
    }
}