/* ==========================================
   CSS Variables (Brand Colors)
   ========================================== */
:root {
    /* Primary Brand Colors */
    --color-primary-red: #E63915;
    --color-primary-blue: #1891D0;
    --color-primary-cyan: #16DABD;
    --color-primary-dark-slate: #1E293B;

    /* Text Colors */
    --color-text-primary: #2D3B53;
    --color-text-secondary: #667A99;
    --color-text-muted: #92A1B9;
    --color-text-inverse: #FFFFFF;

    /* Background Colors */
    --color-bg-white: #FFFFFF;
    --color-bg-light: #F2F4F8;
    --color-bg-light-alt: #F0FAF8;
    --color-bg-dark: #1E293B;
    --color-bg-darker: #111927;

    /* Accent Colors */
    --color-accent-red: #E63915;
    --color-accent-red-hover: #CC3312;
    --color-accent-red-light: #F2F4F8;
    --color-accent-blue: #1891D0;
    --color-accent-blue-hover: #1478B0;
    --color-accent-blue-light: #DFF6F2;
    --color-accent-cyan: #16DABD;
    --color-accent-cyan-hover: #12BAA1;
    --color-accent-cyan-light: #F0FAF8;

    /* Cyan Scale */
    --color-cyan-50: #F0FAF8;
    --color-cyan-100: #DFF6F2;
    --color-cyan-200: #C2F0E9;
    --color-cyan-300: #81E4D5;
    --color-cyan-400: #36E2C8;
    --color-cyan-500: #16DABD;
    --color-cyan-600: #12BAA1;
    --color-cyan-700: #0F8A77;
    --color-cyan-800: #0B6558;
    --color-cyan-900: #08453C;

    /* Dark Slate Scale */
    --color-slate-50: #F2F4F8;
    --color-slate-100: #E4E9F1;
    --color-slate-200: #C6CEDD;
    --color-slate-300: #92A1B9;
    --color-slate-400: #667A99;
    --color-slate-500: #435470;
    --color-slate-600: #2D3B53;
    --color-slate-700: #222F44;
    --color-slate-800: #1E293B;
    --color-slate-900: #111927;

    /* Borders */
    --color-border-light: #E4E9F1;
    --color-border-default: #C6CEDD;
    --color-border-dark: #92A1B9;

    /* Status Colors */
    --color-success: #12BAA1;
    --color-warning: #E63915;
    --color-error: #E63915;
    --color-info: #1891D0;

    /* Typography */
    --font-family-primary: 'Montserrat', system-ui, -apple-system, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-section-sm: 3rem;
    --spacing-section-md: 5rem;
    --spacing-section-lg: 7rem;
    --container-padding: 1rem;
    --container-max-width: 80rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --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);

    /* Transitions */
    --transition-fast: 150ms;
    --transition-default: 200ms;
    --transition-slow: 300ms;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

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

@media (min-width: 768px) {
    h1 { font-size: var(--font-size-5xl); }
    h2 { font-size: var(--font-size-4xl); }
}

p {
    margin-bottom: 1rem;
}

/* ==========================================
   Container & Layout
   ========================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

@media (min-width: 640px) {
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.section {
    padding-top: var(--spacing-section-sm);
    padding-bottom: var(--spacing-section-sm);
}

@media (min-width: 768px) {
    .section {
        padding-top: var(--spacing-section-md);
        padding-bottom: var(--spacing-section-md);
    }
}

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

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

/* ==========================================
   Grid System
   ========================================== */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all var(--transition-default) ease;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background-color: transparent;
    color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
}

.btn-primary:hover {
    background-color: var(--color-accent-blue);
    color: var(--color-text-inverse);
    border-color: var(--color-accent-blue);
}

.btn-secondary {
    background-color: var(--color-accent-blue);
    color: var(--color-text-inverse);
    border-color: var(--color-accent-blue);
}

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

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

.btn-outline:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-text-primary);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
}

.btn-outline-white:hover {
    background-color: var(--color-text-inverse);
    color: var(--color-text-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-default) ease, box-shadow var(--transition-default) ease;
}

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

.card-body {
    padding: 1.5rem;
}

.card-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* ==========================================
   Hero Sections
   ========================================== */
.hero {
    padding: var(--spacing-section-lg) 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-home {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
}

/* ==========================================
   Product Grid
   ========================================== */
.product-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-default) ease;
}

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

.product-card-image {
    aspect-ratio: 4/3;
    background-color: var(--color-bg-light);
    overflow: hidden;
}

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

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

.product-card-body {
    padding: 1.5rem;
}

.product-card-category {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-blue);
    margin-bottom: 0.5rem;
}

.product-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================
   Specifications Table
   ========================================== */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.specs-table th,
.specs-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.specs-table th {
    background-color: var(--color-bg-light);
    font-weight: 600;
}

.specs-table tr:hover td {
    background-color: var(--color-bg-light-alt);
}

/* ==========================================
   Features Section
   ========================================== */
.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-red-light);
    border-radius: var(--radius-full);
    color: var(--color-accent-red);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* ==========================================
   Stats Section
   ========================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-accent-red);
    line-height: 1;
    margin-bottom: 0.5rem;
}

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

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    color: var(--color-text-inverse);
    text-align: center;
    padding: var(--spacing-section-md) 0;
}

.cta-title {
    font-size: var(--font-size-3xl);
    margin-bottom: 1rem;
}

.cta-description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   Forms
   ========================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px var(--color-accent-blue-light);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ==========================================
   Breadcrumbs
   ========================================== */
.breadcrumbs {
    padding: 1rem 0;
    font-size: var(--font-size-sm);
}

.breadcrumbs .container {
    display: flex;
    align-items: center;
    gap: 0;
}

.breadcrumbs__sep {
    margin: 0 0.5rem;
    font-size: 0.75em;
}

/* Light variant (for light hero backgrounds) */
.breadcrumbs--light a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumbs--light a:hover {
    color: var(--color-text-primary);
}

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

.breadcrumbs--light .current {
    color: #E63915;
}

/* Dark variant (for dark hero backgrounds) */
.breadcrumbs--dark a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.breadcrumbs--dark a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.breadcrumbs--dark .breadcrumbs__sep {
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumbs--dark .current {
    color: #E63915;
}

/* ==========================================
   Pagination
   ========================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-text-primary);
}

.pagination .current {
    background-color: var(--color-accent-red);
    border-color: var(--color-accent-red);
    color: var(--color-text-inverse);
}

/* ==========================================
   News Cards
   ========================================== */
.news-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.news-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card-body {
    padding: 1.5rem;
}

.news-card-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.news-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.news-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================
   FAQ Accordion
   ========================================== */
.faq-item {
    border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    background: none;
    border: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent-red);
}

.faq-icon {
    font-size: 1.25rem;
    transition: transform var(--transition-default);
}

.faq-item.is-open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding-bottom: 1.25rem;
    color: var(--color-text-secondary);
    display: none;
}

.faq-item.is-open .faq-answer {
    display: block;
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-text-inverse); }
.text-red { color: var(--color-accent-red); }
.text-blue { color: var(--color-accent-blue); }

.bg-white { background-color: var(--color-bg-white); }
.bg-light { background-color: var(--color-bg-light); }
.bg-dark { background-color: var(--color-bg-dark); }
.bg-darker { background-color: var(--color-bg-darker); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.uppercase { text-transform: uppercase; }
.capitalize { text-transform: capitalize; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

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

/* Thermal Gradient */
.text-thermal-gradient {
    background: linear-gradient(135deg, var(--color-accent-red) 0%, var(--color-accent-cyan) 50%, var(--color-accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUpSmall {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* Page load animation for main content */
#main-content {
    animation: fadeInUpSmall 0.3s ease-out;
}

/* Scrollbar */
.scrollbar-hide::-webkit-scrollbar {
    display: none;
}
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}