/* 
   Big Van Strong Man - Main Stylesheet
   Minimalist design with Gaussian blurs and bold typography
   Mobile-first, responsive design with light/dark theme toggle
*/

/* ---------- Variables ---------- */
:root {
    /* Light Theme Colors (Default) */
    --primary-color: #0f0f0f;
    --secondary-color: #2a2a2a;
    --accent-color: #3f3f3f;
    --text-color: #0f0f0f;
    --bg-color: #ffffff;
    --card-bg: rgba(245, 245, 245, 0.7);
    --blur-bg: rgba(255, 255, 255, 0.7);
    --header-bg: rgba(255, 255, 255, 0.85);
    --footer-bg: #f5f5f5;
    --footer-text: #0f0f0f;
    --border-color: rgba(225, 225, 225, 0.5);
    --input-bg: rgba(255, 255, 255, 0.8);
    --input-border: rgba(200, 200, 200, 0.5);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    --blur: 12px;
    --transition: all 0.3s ease;
    --hero-gradient-1: rgba(240, 240, 240, 0.5);
    --hero-gradient-2: rgba(200, 200, 200, 0.7);
    --blur-color-1: rgba(190, 190, 190, 0.9);
    --blur-color-2: rgba(210, 210, 210, 0.9);
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --primary-color: #f0f0f0;
    --secondary-color: #e0e0e0;
    --accent-color: #d0d0d0;
    --text-color: #f0f0f0;
    --bg-color: #121212;
    --card-bg: rgba(30, 30, 30, 0.7);
    --blur-bg: rgba(18, 18, 18, 0.7);
    --header-bg: rgba(18, 18, 18, 0.85);
    --footer-bg: #1a1a1a;
    --footer-text: #f0f0f0;
    --border-color: rgba(60, 60, 60, 0.5);
    --input-bg: rgba(30, 30, 30, 0.8);
    --input-border: rgba(60, 60, 60, 0.5);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --hero-gradient-1: rgba(25, 25, 25, 0.5);
    --hero-gradient-2: rgba(15, 15, 15, 0.7);
    --blur-color-1: rgba(40, 40, 40, 0.9);
    --blur-color-2: rgba(50, 50, 50, 0.9);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

p {
    margin-bottom: 1.5rem;
    font-weight: 400;
    font-family: 'Roboto', sans-serif;
}

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

a:hover {
    opacity: 0.8;
}

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

.container {
    width: 100%;
    max-width: 1400px;
    padding: 0 2rem;
    margin: 0 auto;
}

section {
    padding: 8rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    background-color: var(--primary-color);
    color: var(--bg-color);
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.cta-btn {
    font-size: 1rem;
    padding: 1.2rem 3rem;
    text-transform: uppercase;
    font-weight: 700;
}

.submit-btn {
    width: 100%;
    margin-top: 1.5rem;
}

/* ---------- Header & Navigation ---------- */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--header-bg);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-color);
    transition: var(--transition);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--header-bg);
    box-shadow: var(--shadow);
    z-index: 999;
}

.nav-menu li {
    margin: 0;
    padding: 0;
}

.nav-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: var(--transition);
}

.nav-menu a:hover {
    opacity: 0.7;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1000;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    margin: 6px 0;
    background-color: var(--text-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* Theme toggle button */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    margin-left: 1rem;
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--text-color);
    position: absolute;
    transition: var(--transition);
}

.theme-toggle .fa-sun {
    opacity: 0;
    transform: translateY(20px);
}

.theme-toggle .fa-moon {
    opacity: 1;
    transform: translateY(0);
}

[data-theme="dark"] .theme-toggle .fa-sun {
    opacity: 1;
    transform: translateY(0);
}

[data-theme="dark"] .theme-toggle .fa-moon {
    opacity: 0;
    transform: translateY(-20px);
}

/* ---------- Hero Section ---------- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0;
    position: relative;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, var(--hero-gradient-1) 0%, var(--hero-gradient-2) 100%);
    z-index: -1;
    opacity: 0.8;
}

/* Hero-specific blur elements that stand out more */
.hero .blur-element {
    opacity: 0.7;
    filter: blur(120px);
    z-index: -1;
}

.hero .blur-1 {
    width: 400px;
    height: 400px;
    background-color: var(--blur-color-1);
    top: 15%;
    left: 5%;
    animation: floatAnimation 12s infinite alternate ease-in-out;
}

.hero .blur-2 {
    width: 600px;
    height: 600px;
    background-color: var(--blur-color-2);
    bottom: 10%;
    right: 5%;
    animation: floatAnimation 15s infinite alternate-reverse ease-in-out;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    z-index: 1;
    position: relative;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: -40px;
    left: -40px;
    right: -40px;
    bottom: -40px;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    border-radius: 30px;
}

[data-theme="dark"] .hero-content::before {
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.company-name {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    position: relative;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.company-name::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
}

/* ---------- Services Section ---------- */
.services {
    background-color: var(--bg-color);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.service-card {
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    transition: var(--transition);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

/* ---------- About Section ---------- */
.about {
    position: relative;
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-image {
    width: 100%;
    max-width: 600px;
    margin-bottom: 3rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-text {
    max-width: 600px;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* ---------- Testimonials Section ---------- */
.testimonials {
    background-color: var(--bg-color);
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    display: none;
    animation: fadeIn 0.8s ease forwards;
}

.testimonial.active {
    display: block;
}

.testimonial-content {
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.testimonial-content p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 700;
    display: block;
    color: var(--text-color);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--text-color);
    transform: scale(1.2);
}

/* ---------- Contact Section ---------- */
.contact {
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.info-item {
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.info-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-form {
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-color);
}

/* ---------- Footer ---------- */
footer {
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    background-color: var(--footer-bg);
    padding: 4rem 0 2rem;
    color: var(--footer-text);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.business-hours h4,
.social-links h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.business-hours ul {
    list-style: none;
}

.business-hours li {
    margin-bottom: 0.5rem;
}

.business-hours span {
    font-weight: 700;
    margin-right: 0.5rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--text-color);
    color: var(--bg-color);
    transition: var(--transition);
}

.social-icons a:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ---------- Animation ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in:nth-child(2) {
    transition-delay: 0.2s;
}

.fade-in:nth-child(3) {
    transition-delay: 0.4s;
}

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

/* ---------- Responsive ---------- */
@media (min-width: 576px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .hero h2 {
        font-size: 3rem;
    }
    
    .company-name {
        font-size: 4.5rem;
    }
    
    .about-content {
        flex-direction: row;
        gap: 4rem;
        align-items: flex-start;
    }
    
    .about-image {
        margin-bottom: 0;
        flex: 1;
    }
    
    .about-text {
        flex: 1;
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 992px) {
    .section-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .menu-toggle {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        flex-direction: row;
    }
    
    .nav-menu a {
        padding: 0.5rem 1rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .hero h2 {
        font-size: 3.5rem;
    }
    
    .company-name {
        font-size: 5rem;
    }
}

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

.img-responsive {
    width: 100%;
    height: auto;
}

.hidden {
    display: none !important;
}

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

/* ---------- Blurred Elements ---------- */
.blur-element {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: -1;
}

.blur-1 {
    width: 300px;
    height: 300px;
    background-color: var(--blur-color-1);
    top: 20%;
    left: 10%;
    animation: floatAnimation 8s infinite alternate ease-in-out;
}

.blur-2 {
    width: 400px;
    height: 400px;
    background-color: var(--blur-color-2);
    bottom: 30%;
    right: 5%;
    animation: floatAnimation 12s infinite alternate-reverse ease-in-out;
}

@keyframes floatAnimation {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(30px, 30px);
    }
}