/* ================================
   Truckwerks - Modern Off Road Website
   ================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Colors */
    --color-primary: #F40000;
    --color-primary-dark: #C20000;
    --color-primary-light: #FF3333;
    
    --color-dark: #0A0A0A;
    --color-dark-alt: #1A1A1A;
    --color-dark-lighter: #2A2A2A;
    
    --color-light: #FFFFFF;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-600: #525252;
    --color-gray-800: #262626;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    
    /* Layout */
    --container-max-width: 1280px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ================================
   Reset & Base Styles
   ================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-light);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ================================
   Typography
   ================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.text-large {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--color-gray-600);
}

/* ================================
   Layout Utilities
   ================================ */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

.section--dark .text-large {
    color: var(--color-gray-300);
}

.section--highlight {
    background-color: var(--color-gray-100);
}

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

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

.section__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

.section--dark .section__subtitle {
    color: var(--color-gray-300);
}

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

/* ================================
   Buttons
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Glimmer Effect */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
    pointer-events: none;
}

.btn:hover::before {
    left: 150%;
}

.btn span, .btn svg {
    position: relative;
    z-index: 2;
}

.btn--large {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn--primary {
    background: rgba(244, 0, 0, 0.85);
    color: var(--color-light);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn--primary:hover {
    background: rgba(244, 0, 0, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.35);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-dark);
    border: 1px solid rgba(10, 10, 10, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.btn--secondary:hover {
    background: rgba(10, 10, 10, 0.8);
    color: var(--color-light);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.18);
}

.btn--secondary-light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-light);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.btn--secondary-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

/* ================================
   Header & Navigation
   ================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo-img {
    height: 50px;
    width: auto;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.nav__logo a:hover .nav__logo-img {
    opacity: 0.8;
    transform: translateY(-1px);
}

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

.nav__link {
    color: var(--color-gray-200);
    font-weight: 500;
    font-size: var(--font-size-sm);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: color var(--transition-fast);
    padding: 0.5rem 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-light);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--phone {
    color: var(--color-primary);
}

.btn--nav {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
    background: linear-gradient(135deg, rgba(244, 0, 0, 0.95), rgba(200, 0, 0, 1));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px 0 rgba(244, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Mobile Navigation Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.5rem;
    z-index: 1001;
}

.nav__toggle-line {
    width: 1.5rem;
    height: 2px;
    background-color: var(--color-light);
    transition: all var(--transition-base);
}

/* ================================
   Hero Section - Ultra Modern
   ================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000;
}

/* Background Image with Animation */
.hero__background-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero__background-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: heroZoom 20s ease-in-out infinite alternate;
    transform-origin: center;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero__gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(10, 10, 10, 0.75) 30%,
        rgba(244, 0, 0, 0.15) 60%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 1;
}

.hero__vignette {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        rgba(0, 0, 0, 0.4) 70%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 2;
}

/* Animated Grid Overlay */
.hero__grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(244, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(244, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 3;
    opacity: 0.5;
}

/* Meteor Animation */
.hero__meteors {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
    pointer-events: none;
}

.hero__meteors span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(244, 0, 0, 0.1),
                0 0 0 8px rgba(244, 0, 0, 0.1), 
                0 0 20px rgba(244, 0, 0, 1);
    animation: meteor 3s linear infinite;
    opacity: 0;
}

.hero__meteors span::before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 1px;
    right: 0;
    background: linear-gradient(270deg, rgba(244, 0, 0, 1), transparent);
}

@keyframes meteor {
    0% {
        transform: rotate(45deg) translateX(-500px);
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    100% {
        transform: rotate(45deg) translateX(150vh);
        opacity: 0;
    }
}

/* Meteor Positioning */
.hero__meteors span:nth-child(1) { top: -10%; left: 20%; animation-delay: 0s; animation-duration: 2.5s; }
.hero__meteors span:nth-child(2) { top: 0%; left: 40%; animation-delay: 1s; animation-duration: 3s; }
.hero__meteors span:nth-child(3) { top: -20%; left: 60%; animation-delay: 2s; animation-duration: 2.8s; }
.hero__meteors span:nth-child(4) { top: -10%; left: 80%; animation-delay: 3s; animation-duration: 3.5s; }
.hero__meteors span:nth-child(5) { top: 10%; left: 100%; animation-delay: 1.5s; animation-duration: 4s; }
.hero__meteors span:nth-child(6) { top: -30%; left: 50%; animation-delay: 4s; animation-duration: 3.2s; }
.hero__meteors span:nth-child(7) { top: 20%; left: 10%; animation-delay: 2.5s; animation-duration: 3s; }
.hero__meteors span:nth-child(8) { top: -15%; left: 30%; animation-delay: 5s; animation-duration: 4.5s; }
.hero__meteors span:nth-child(9) { top: 5%; left: 90%; animation-delay: 0.5s; animation-duration: 3.8s; }
.hero__meteors span:nth-child(10) { top: -25%; left: 70%; animation-delay: 3.5s; animation-duration: 4s; }

/* Content */
.hero__content {
    position: relative;
    z-index: 10;
    text-align: left;
    padding: var(--spacing-4xl) 0;
    max-width: 1000px;
}

.hero__eyebrow {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(244, 0, 0, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50px;
    animation: fadeInDown 0.8s ease-out;
    box-shadow: 0 0 20px rgba(244, 0, 0, 0.3);
}

@keyframes borderRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero__text {
    margin-bottom: var(--spacing-3xl);
}

.hero__title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1rem, 2vw, 1.5rem);
}

.hero__title-word {
    display: inline-block;
    color: var(--color-light);
    text-transform: uppercase;
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease-out backwards;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hero__title-word--accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, #FF4444 50%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: fadeInUp 0.8s ease-out backwards, gradientShift 3s ease infinite;
    position: relative;
}

.hero__title-word--accent::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    background: var(--color-primary);
    filter: blur(20px);
    opacity: 0.5;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

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

.hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-gray-200);
    max-width: 700px;
    line-height: 1.6;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 1s ease-out 0.5s backwards;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Hero CTAs */
.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeIn 1s ease-out 0.7s backwards;
}

.btn--hero {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.btn--hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
}

.btn--hero:hover::before {
    left: 150%;
}

.btn--hero svg {
    transition: transform var(--transition-base);
    position: relative;
    z-index: 2;
}

.btn--hero:hover svg {
    transform: translateX(4px);
}

.btn--hero span {
    position: relative;
    z-index: 2;
}

.btn--hero.btn--primary {
    background: rgba(244, 0, 0, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--hero.btn--primary:hover {
    background: rgba(244, 0, 0, 0.9);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.btn--secondary-hero {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--color-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.btn--secondary-hero svg,
.btn--secondary-hero span {
    position: relative;
    z-index: 2;
}

.btn--secondary-hero:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.4);
}

/* Hero Stats */
.hero__stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    width: fit-content;
    animation: fadeInUp 1s ease-out 0.9s backwards;
}

.hero__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.hero__stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-light);
    line-height: 1;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
}

.hero__stat-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.1);
}

.hero__stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    text-align: center;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
}

/* Scroll Indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 10;
    animation: fadeIn 1.5s ease-out 1.2s backwards;
}

.hero__scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

.hero__scroll-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

@keyframes scrollPulse {
    0%, 100% { 
        opacity: 0.3; 
        transform: translateY(0) scaleY(1);
    }
    50% { 
        opacity: 1; 
        transform: translateY(10px) scaleY(1.2);
    }
}

/* Animated Accent Elements */
.hero__accent {
    position: absolute;
    z-index: 4;
    pointer-events: none;
}

.hero__accent--1 {
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(244, 0, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    filter: blur(60px);
}

.hero__accent--2 {
    bottom: 20%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(244, 0, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
    filter: blur(80px);
}

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: translate(30px, -30px) scale(1.1);
        opacity: 0.8;
    }
}

/* ================================
   Brand Story Section
   ================================ */

.brand-story {
    padding: 0;
    position: relative;
}

.brand-story__wrapper {
    display: grid;
    grid-template-columns: 45% 55%;
    min-height: 700px;
}

.brand-story__image-container {
    position: relative;
    overflow: hidden;
}

.brand-story__image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 10s ease-out;
}

.brand-story:hover .brand-story__image {
    transform: scale(1.05);
}

.brand-story__image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.6) 90%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 1;
}

.brand-story__content {
    display: flex;
    align-items: center;
    padding: var(--spacing-4xl) var(--spacing-3xl);
    background-color: var(--color-light);
    position: relative;
}

.brand-story__accent-line {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 200px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
}

.brand-story__text-wrapper {
    max-width: 700px;
}

.brand-story__label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding: 0.5rem 1rem;
    background: rgba(244, 0, 0, 0.05);
    border-left: 3px solid var(--color-primary);
}

.brand-story__text-wrapper .section__title {
    text-align: left;
    margin-bottom: var(--spacing-xl);
    font-size: clamp(2rem, 4vw, 3rem);
}

.text-accent {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.text-accent::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
}

.brand-story__paragraph {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-base);
}

.brand-story__paragraph:hover {
    padding-left: calc(var(--spacing-xl) + 8px);
}

.brand-story__number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.2;
    line-height: 1;
}

.brand-story__paragraph:hover .brand-story__number {
    opacity: 0.5;
}

.brand-story__paragraph p {
    margin: 0;
}

.brand-story__cta {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

/* ================================
   Services Section
   ================================ */

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background-color: var(--color-dark-alt);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
    min-height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(244, 0, 0, 0.2);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(244, 0, 0, 0.1);
    border-radius: var(--radius-base);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background-color: var(--color-primary);
    color: var(--color-light);
    transform: scale(1.1);
}

.service-card__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-light);
}

.service-card__description {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-card__link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-fast);
}

.service-card__link:hover {
    color: var(--color-primary-light);
    transform: translateX(4px);
}

/* ================================
   Why Truckwerks Section
   ================================ */

.why-truckwerks__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.feature {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.feature__number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
}

.feature__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.feature__text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ================================
   Split Section Layout
   ================================ */

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

.split-section--reverse {
    direction: rtl;
}

.split-section--reverse > * {
    direction: ltr;
}

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

.split-section__content p {
    margin-bottom: var(--spacing-lg);
}

.benefits-list {
    margin: var(--spacing-xl) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefits-list__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    line-height: 1.6;
}

.benefits-list__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-light);
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.split-section__img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

.split-section__image:hover .split-section__img {
    transform: scale(1.02);
}

/* ================================
   Accessories Section
   ================================ */

.accessories__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.accessory-card {
    background-color: var(--color-dark-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.accessory-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.accessory-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
}

.accessory-card__text {
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
}

/* ================================
   Installation Section
   ================================ */

.installation__content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

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

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

.installation__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin: var(--spacing-3xl) 0;
    text-align: left;
}

.installation__feature {
    padding: var(--spacing-xl);
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--color-primary);
    transition: transform var(--transition-base);
}

.installation__feature:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.08);
}

.installation__feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
}

.installation__feature p {
    color: var(--color-gray-300);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .installation__features {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Reviews Section - Infinite Scroll
   ================================ */

.container-full {
    max-width: 100%;
    padding: 0;
}

.container-full .section__header {
    max-width: var(--container-max-width);
    margin: 0 auto var(--spacing-3xl);
    padding: 0 var(--container-padding);
}

.container-full .section__cta {
    max-width: var(--container-max-width);
    margin: var(--spacing-3xl) auto 0;
    padding: 0 var(--container-padding);
}

.reviews__scroll-wrapper {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
}

.reviews__scroll-track {
    display: flex;
    gap: var(--spacing-lg);
    animation: scrollReviews 240s linear infinite;
    width: fit-content;
}

.reviews__scroll-track:hover {
    animation-play-state: paused;
}

@keyframes scrollReviews {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100% - var(--spacing-lg)));
    }
}

.review-card {
    flex: 0 0 350px;
    background-color: var(--color-dark-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.review-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.review-card__stars {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.review-card__text {
    color: var(--color-gray-200);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    min-height: 120px;
}

.review-card__author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.review-card__author strong {
    color: var(--color-light);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ================================
   Service Area Section
   ================================ */

.service-area {
    color: var(--color-light);
}

.service-area__content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.service-area__content h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-light);
}

.service-area__content > p {
    margin-bottom: var(--spacing-xl);
    color: var(--color-light);
}

.service-area__cities {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.service-area__city {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-base);
    font-weight: 600;
    color: var(--color-light);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.service-area__city:hover {
    background-color: rgba(244, 0, 0, 0.8);
    border-color: var(--color-primary);
    color: var(--color-light);
    transform: translateY(-2px);
}

/* ================================
   Final CTA Section
   ================================ */

.final-cta {
    padding: var(--spacing-xl) 0;
}

.final-cta__content {
    text-align: center;
    padding: 0;
}

.final-cta__content h2 {
    margin-bottom: var(--spacing-md);
}

.final-cta__content .section__subtitle {
    margin-bottom: var(--spacing-xl);
    color: var(--color-gray-300);
}

.final-cta__buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ================================
   Footer - Amazing Design
   ================================ */

.footer {
    background-color: #050505;
    color: var(--color-gray-300);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.footer__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(to bottom, rgba(5, 5, 5, 0.8) 0%, #050505 100%),
        url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="footerGrid" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="1" cy="1" r="1" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23footerGrid)"/></svg>');
    opacity: 0.6;
    pointer-events: none;
}

.footer .container {
    position: relative;
    z-index: 1;
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
}

.footer__top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Brand Column */
.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer__logo-img {
    height: 48px;
    width: auto;
    margin-bottom: var(--spacing-lg);
}

.footer__description {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    max-width: 300px;
}

/* Social Icons */
.footer__social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-base);
    color: var(--color-gray-400);
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-light);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(244, 0, 0, 0.2);
}

/* Links Groups */
.footer__title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-light);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-sm);
}

.footer__title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

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

.footer__links a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
}

.footer__links a:hover {
    color: var(--color-light);
    transform: translateX(4px);
}

/* Contact Column */
.footer__address {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer__address-line {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.footer__address-line svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__address-line a {
    color: inherit;
    transition: color var(--transition-fast);
}

.footer__address-line a:hover {
    color: var(--color-light);
}

/* Footer Bottom */
.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
}

.footer__legal-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__legal-links a {
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.footer__legal-links a:hover {
    color: var(--color-gray-400);
}

/* ================================
   Animations
   ================================ */

.animate-in {
    animation: fadeInUp 0.8s ease-out;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --spacing-4xl: 6rem;
        --spacing-3xl: 4rem;
    }
    
    .split-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .split-section--reverse {
        direction: ltr;
    }
    
    .brand-story__wrapper {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .brand-story__image-container {
        min-height: 400px;
    }
    
    .brand-story__content {
        padding: var(--spacing-3xl) var(--container-padding);
    }
    
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .service-card {
        padding: var(--spacing-xl);
    }
    
    .footer__top {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3xl);
    }
}

@media (max-width: 900px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-4xl: 1.75rem;
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }
    
    /* Mobile Navigation */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--color-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        transition: right var(--transition-slow);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    }
    
    .nav__menu.is-active {
        right: 0;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__toggle.is-active .nav__toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav__toggle.is-active .nav__toggle-line:nth-child(2) {
        opacity: 0;
    }
    
    .nav__toggle.is-active .nav__toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .nav__item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav__link {
        display: block;
        padding: 1rem 0;
        font-size: var(--font-size-base);
    }
    
    .btn--nav {
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    /* Hero */
    .hero__content {
        text-align: center;
    }
    
    .hero__title {
        justify-content: center;
    }
    
    .hero__subtitle {
        margin: 0 auto;
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn--hero {
        width: 100%;
        justify-content: center;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
        margin: var(--spacing-xl) auto 0;
    }
    
    .hero__stat-divider {
        width: 60px;
        height: 1px;
        background: linear-gradient(
            to right,
            transparent,
            rgba(255, 255, 255, 0.2),
            transparent
        );
    }
    
    .hero__accent--1,
    .hero__accent--2 {
        display: none;
    }
    
    /* Why Truckwerks */
    .why-truckwerks__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    /* Installation Features */
    .installation__features {
        grid-template-columns: 1fr;
    }
    
    /* Reviews */
    .review-card {
        flex: 0 0 300px;
    }
    
    /* Brand Story */
    .brand-story__image-container {
        min-height: 300px;
    }
    
    .brand-story__content {
        padding: var(--spacing-2xl) var(--container-padding);
    }
    
    .brand-story__text-wrapper .section__title {
        font-size: var(--font-size-3xl);
    }
    
    .brand-story__paragraph {
        padding-left: var(--spacing-lg);
    }
    
    .brand-story__number {
        font-size: var(--font-size-xl);
    }
    
    .brand-story__accent-line {
        display: none;
    }
    
    /* Footer */
    .footer__top {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer__brand {
        align-items: center;
        text-align: center;
    }
    
    .footer__description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2rem;
        --spacing-4xl: 3rem;
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .btn--large {
        padding: 1rem 2rem;
        font-size: var(--font-size-base);
    }
    
    .btn--cta {
        padding: 1rem 2rem;
        font-size: var(--font-size-lg);
    }
    
    .hero__eyebrow {
        font-size: 0.625rem;
        padding: 0.375rem 1rem;
    }
    
    .hero__title {
        gap: 0.5rem;
    }
    
    .hero__stats {
        padding: var(--spacing-md);
    }
    
    .hero__stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .hero__stat-icon {
        height: 40px;
    }
    
    .hero__stat-img {
        height: 40px;
    }
    
    .nav__logo-img {
        height: 40px;
    }
    
    .footer__logo-img {
        height: 40px;
    }
    
    .nav {
        padding: 0.5rem 0;
    }
    
    .review-card {
        flex: 0 0 280px;
    }
    
    .reviews__scroll-wrapper {
        mask-image: linear-gradient(
            to right,
            transparent,
            black 5%,
            black 95%,
            transparent
        );
        -webkit-mask-image: linear-gradient(
            to right,
            transparent,
            black 5%,
            black 95%,
            transparent
        );
    }
    
    .modal__container {
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    /* Hide Hero Badges except last one */
    .hero__stat:not(:last-child),
    .hero__stat-divider {
        display: none;
    }
    
    .hero__stat:last-child {
        margin: 0;
        width: 100%;
    }

    /* Service Cards Compact */
    .services__grid {
        grid-template-columns: 1fr;
    }

    .service-card__description,
    .service-card__link {
        display: none;
    }
    
    .service-card {
        min-height: auto;
        padding: var(--spacing-xl);
        aspect-ratio: 2/1;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .service-card__title {
        margin-bottom: 0;
        font-size: var(--font-size-xl);
        text-align: center;
    }
}

/* ================================
   Print Styles
   ================================ */

@media print {
    .header,
    .hero__scroll,
    .nav__toggle,
    .btn {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}

/* ================================
   Tire Calculator Widget
   ================================ */

.tire-calculator {
    background-color: #000;
    padding: var(--spacing-lg) 0;
}

.tire-calculator .section__header {
    margin-bottom: var(--spacing-lg);
}

/* Make section title/subtitle white */
.tire-calculator .section__title,
.tire-calculator .section__subtitle {
    color: white;
}

.tire-widget {
    max-width: 1100px;
    margin: 0 auto;
    background: #1a1a1a;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    color: white;
}

.tire-calc-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.tire-input-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.25rem;
    color: white;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.25rem;
    display: inline-block;
}

.tire-inline-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.tire-control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.125rem;
    color: var(--color-gray-300);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tire-select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--color-gray-600);
    border-radius: var(--radius-base);
    font-family: inherit;
    font-size: var(--font-size-sm);
    background-color: #2a2a2a;
    color: white;
    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='%23ffffff'%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 0.5rem center;
    background-size: 1rem;
}

.tire-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(244, 0, 0, 0.2);
}

/* Results Column */
.tire-results-container {
    display: flex;
    flex-direction: column;
}

.tire-results {
    flex-grow: 1;
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    color: var(--color-dark);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.tire-results-placeholder {
    color: var(--color-gray-600);
    font-style: italic;
    text-align: center;
}

.tire-result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    width: 100%;
    text-align: center;
}

.tire-result-item h4 {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.tire-result-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
}

.tire-diff {
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
    font-weight: 600;
}

.tire-diff.positive { color: #4ade80; }
.tire-diff.negative { color: #f87171; }

.tire-calc-btn {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    padding: 0.75rem;
}

@media (max-width: 900px) {
    .tire-calc-layout {
        grid-template-columns: 1fr;
    }
    
    .tire-results {
        min-height: auto;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 600px) {
    .tire-inline-row {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Build Modal Styles
   ================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.is-open {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal__container {
    position: relative;
    width: 100%;
    max-width: 600px;
    background: var(--color-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Header */
.modal__header {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: linear-gradient(to bottom, rgba(255,255,255,0.03), transparent);
}

.modal__title {
    font-size: var(--font-size-2xl);
    color: var(--color-light);
    margin-bottom: 0.25rem;
}

.modal__subtitle {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.modal__close {
    background: transparent;
    border: none;
    color: var(--color-gray-400);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.modal__close::before,
.modal__close::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 2px;
    background-color: currentColor;
}

.modal__close::before { transform: rotate(45deg); }
.modal__close::after { transform: rotate(-45deg); }

.modal__close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-light);
}

/* Progress Bar */
.modal__progress {
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    width: 100%;
}

.modal__progress-bar {
    height: 100%;
    background: var(--color-primary);
    width: 0%;
    transition: width 0.4s ease;
}

/* Content */
.modal__content {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex-grow: 1;
}

.form-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.form-step.active {
    display: block;
}

.form-step__title {
    font-size: var(--font-size-xl);
    color: var(--color-light);
    margin-bottom: var(--spacing-lg);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: #1a1a1a;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-base);
    color: #ffffff;
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    appearance: none; /* Remove default arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.form-input {
    background-image: none;
}

.form-select option {
    background-color: #1a1a1a;
    color: #ffffff;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: #000000;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* Option Cards (Radio) */
.option-card {
    cursor: pointer;
    position: relative;
}

.option-card input {
    position: absolute;
    opacity: 0;
}

.option-card__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-base);
    transition: all var(--transition-fast);
    text-align: center;
    height: 100%;
}

.option-card input:checked + .option-card__content {
    background: rgba(244, 0, 0, 0.1);
    border-color: var(--color-primary);
}

.option-card__icon {
    font-size: 2rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.option-card__label {
    color: var(--color-gray-200);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.option-card input:checked + .option-card__content .option-card__label {
    color: var(--color-light);
}

.option-card input:checked + .option-card__content .option-card__icon {
    color: var(--color-primary);
}

/* Checkbox Card */
.checkbox-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox-card input {
    position: absolute;
    opacity: 0;
}

.checkbox-card__box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-400);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-card input:checked + .checkbox-card__box {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-card input:checked + .checkbox-card__box::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-card__label {
    color: var(--color-gray-200);
    font-weight: 500;
}

.checkbox-card input:checked ~ .checkbox-card__label {
    color: var(--color-light);
}

/* Options Grid (Pills) */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.checkbox-pill {
    cursor: pointer;
}

.checkbox-pill input {
    position: absolute;
    opacity: 0;
}

.checkbox-pill span {
    display: block;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    text-align: center;
    transition: all var(--transition-fast);
}

.checkbox-pill input:checked + span {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-light);
}

/* Footer Actions */
.modal__footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    background: var(--color-dark);
}

.modal__footer .btn {
    min-width: 120px;
}

.modal__footer .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Success State */
.form-success {
    text-align: center;
    padding: var(--spacing-xl) 0;
    display: none;
}

.form-success.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(244, 0, 0, 0.3);
}

.form-success h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hidden {
    display: none;
}