/*
  Your Floor LLC - Optimized Styles
  Mobile-First Responsive Design
  Author: Optimized Version 2025
*/

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

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

:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --gray-lighter: #f1f5f9;
    --white: #ffffff;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --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;

    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

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

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

ul {
    list-style: none;
}

address {
    font-style: normal;
}

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

::selection {
    background: var(--primary-light);
    color: var(--white);
}

/* ========================================
   Utility Classes
   ======================================== */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

.section {
    padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: 5rem 0;
    }
}

@media (min-width: 1024px) {
    .section {
        padding: 6rem 0;
    }
}

.section-dark {
    background: var(--dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--space-2xl);
}

.section-subtitle {
    color: var(--primary);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: var(--space-sm);
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-description {
    color: var(--gray);
    font-size: var(--font-size-lg);
}

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

.section-footer {
    text-align: center;
    margin-top: var(--space-xl);
}

.text-accent {
    color: var(--accent);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
}

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.btn-text {
    color: var(--dark);
    font-weight: 700;
    padding: 0;
}

.btn-text:hover {
    color: var(--primary);
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
}

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

@media (max-width: 640px) {
    .btn-lg {
        width: 100%;
    }
}

/* ========================================
   Navigation
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--gray-lighter);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.nav-logo img {
    height: 4rem;
    width: auto;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.hamburger {
    width: 2rem;
    height: 0.25rem;
    background: var(--dark);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 2rem;
    height: 0.25rem;
    background: var(--dark);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    left: 0;
}

.hamburger::before {
    top: -0.5rem;
}

.hamburger::after {
    top: 0.5rem;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

.nav-menu {
    position: fixed;
    top: 5rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
}

.nav-menu.active {
    transform: translateX(0);
}

@media (min-width: 768px) {
    .nav-menu {
        position: static;
        transform: translateX(0);
        padding: 0;
        overflow: visible;
        background: transparent;
    }
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

@media (min-width: 768px) {
    .nav-list {
        flex-direction: row;
        align-items: center;
        gap: var(--space-lg);
    }
}

.nav-link {
    display: block;
    padding: var(--space-sm);
    font-weight: 500;
    font-size: var(--font-size-base);
    color: var(--dark);
    transition: color var(--transition-fast);
}

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

@media (min-width: 768px) {
    .nav-link {
        font-size: var(--font-size-sm);
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 5rem;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.4) 100%);
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

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

.hero-content {
    max-width: 50rem;
    color: var(--white);
    padding: var(--space-xl) 0;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: #93c5fd;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

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

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-light);
    margin-bottom: var(--space-xl);
    max-width: 40rem;
}

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

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

.services-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--gray-lighter);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: #bfdbfe;
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.08);
    transform: translateY(-4px);
}

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
    color: var(--primary);
    transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-description {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.service-list {
    margin-bottom: var(--space-md);
}

.service-list li {
    color: var(--gray);
    font-size: var(--font-size-sm);
    padding: 0.25rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 0.375rem;
    height: 0.375rem;
    background: var(--primary);
    border-radius: 50%;
}

.service-list li.more {
    color: var(--gray);
    font-style: italic;
}

.service-list li.more::before {
    display: none;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    margin-top: auto;
    transition: gap var(--transition-base);
}

.service-link:hover {
    color: var(--primary-dark);
}

/* ========================================
   About Section
   ======================================== */

.about {
    position: relative;
}

.about-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: rgba(30, 41, 59, 0.2);
    transform: skewX(-12deg) translateX(25%);
}

.about-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.about-text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--gray-light);
    margin-bottom: var(--space-xl);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--dark-light);
    margin-top: auto;
}

.footer-content {
    display: grid;
    gap: var(--space-xl);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        text-align: left;
        align-items: center;
    }
}

.footer-brand {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.footer-brand span {
    color: var(--primary);
}

.footer-address {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.footer-address a:hover {
    color: var(--primary);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

@media (min-width: 768px) {
    .footer-social {
        justify-content: flex-start;
    }
}

.footer-social a {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

@media (min-width: 768px) {
    .footer-links {
        flex-direction: row;
        gap: var(--space-lg);
    }
}

.footer-links a:hover {
    color: var(--white);
}

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

@media (min-width: 768px) {
    .footer-copyright {
        text-align: right;
    }
}

/* ========================================
   Contact Page Styles
   ======================================== */

.contact-grid {
    display: grid;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.5fr;
        align-items: start;
    }
}

.contact-info h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    transition: color var(--transition-fast);
}

.contact-item:hover {
    color: var(--primary);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gray-lighter);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.contact-item:hover .contact-icon {
    background: #dbeafe;
    color: var(--primary);
}

.contact-social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

@media (min-width: 640px) {
    .contact-social-buttons {
        flex-direction: row;
    }
}

.contact-form {
    background: var(--gray-lighter);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid #e2e8f0;
}

.contact-form h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

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

.form-grid {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-label {
    display: block;
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
    color: var(--dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   Portfolio Page Styles
   ======================================== */

.portfolio-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-item {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.portfolio-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

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

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: var(--space-md);
    background: var(--white);
}

.portfolio-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.portfolio-description {
    color: var(--gray);
    font-size: var(--font-size-sm);
}

/* ========================================
   Responsive Utilities
   ======================================== */

@media (max-width: 767px) {
    .hide-mobile {
        display: none;
    }
}

@media (min-width: 768px) {
    .hide-desktop {
        display: none;
    }
}

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

@media print {
    .nav,
    .footer,
    .btn {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}