/* Critical CSS - Inline for fastest loading */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #881C1C;
    --color-primary-dark: #6B1515;
    --color-primary-light: #A52A2A;
    --color-secondary: #10B981;
    --color-secondary-dark: #059669;
    --color-accent: #F59E0B;
    --color-accent-dark: #D97706;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-black: #000000;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    --gradient-hero: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Poppins', var(--font-primary);

    /* Font Sizes */
    --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;
    --text-7xl: 4.5rem;

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

    /* Spacing */
    --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;
    --space-32: 8rem;

    /* 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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;

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

/* Dark Theme Variables */
[data-theme="dark"] {
    --color-white: #111827;
    --color-gray-50: #1F2937;
    --color-gray-100: #374151;
    --color-gray-200: #4B5563;
    --color-gray-300: #6B7280;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #D1D5DB;
    --color-gray-600: #E5E7EB;
    --color-gray-700: #F3F4F6;
    --color-gray-800: #F9FAFB;
    --color-gray-900: #FFFFFF;
    --color-black: #FFFFFF;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Loading State */
body.loading {
    overflow: hidden;
}

body.loading * {
    animation-play-state: paused !important;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gray-900) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loading-container {
    text-align: center;
    color: var(--color-white);
}

.loading-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
}

.logo-animation {
    width: 100%;
    height: 100%;
}

.loading-circle {
    animation: loading-spin 2s linear infinite;
}

@keyframes loading-spin {
    0% {
        stroke-dashoffset: 125.6;
        transform: rotate(0deg);
    }
    50% {
        stroke-dashoffset: 31.4;
        transform: rotate(180deg);
    }
    100% {
        stroke-dashoffset: 125.6;
        transform: rotate(360deg);
    }
}

.loading-text {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-6);
}

.loading-letter {
    display: inline-block;
    animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-letter:nth-child(1) { animation-delay: -0.32s; }
.loading-letter:nth-child(2) { animation-delay: -0.16s; }
.loading-letter:nth-child(3) { animation-delay: 0s; }
.loading-letter:nth-child(4) { animation-delay: 0.16s; }
.loading-letter:nth-child(5) { animation-delay: 0.32s; }
.loading-letter:nth-child(6) { animation-delay: 0.48s; }
.loading-letter:nth-child(7) { animation-delay: 0.64s; }
.loading-letter:nth-child(8) { animation-delay: 0.8s; }
.loading-letter:nth-child(9) { animation-delay: 0.96s; }
.loading-letter:nth-child(10) { animation-delay: 1.12s; }

@keyframes loading-bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

.loading-progress {
    width: 200px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--radius-full);
    animation: loading-progress 3s ease-in-out infinite;
}

@keyframes loading-progress {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }
    50% {
        width: 100%;
        transform: translateX(0%);
    }
    100% {
        width: 100%;
        transform: translateX(100%);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    text-decoration: none;
}

.nav-logo {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
        rgba(136, 28, 28, 0.8) 0%,
        rgba(16, 185, 129, 0.6) 50%,
        rgba(17, 24, 39, 0.8) 100%);
    z-index: -1;
}

.hero-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    min-height: 80vh;
}

.hero-text {
    color: var(--color-white);
}

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

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-text);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 300% 300%;
    animation: gradient-shift 3s ease-in-out infinite;
}

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

.hero-subtitle {
    font-size: var(--text-xl);
    line-height: 1.6;
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

/* Utility Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

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

/* Button Styles */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--space-4);
    }

    .nav-menu {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-subtitle {
        font-size: var(--text-lg);
    }
}

/* Critical animations and interactions only */
.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* Theme Toggle */
.theme-toggle {
    position: relative;
    width: 50px;
    height: 28px;
    background-color: var(--color-gray-300);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-normal);
    padding: 2px;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background-color: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.theme-toggle.active {
    background-color: var(--color-primary);
}

.theme-toggle.active::before {
    transform: translateX(22px);
}

.theme-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    transition: opacity var(--transition-fast);
}

.sun-icon {
    left: 6px;
}

.moon-icon {
    right: 6px;
    opacity: 0;
}

.theme-toggle.active .sun-icon {
    opacity: 0;
}

.theme-toggle.active .moon-icon {
    opacity: 1;
}