/* ===================================
   Amber Stack LLC - Professional Styles
   Modern, Dynamic & Animated Design
   =================================== */

/* CSS Variables */
:root {
    --color-primary: #d97706;
    --color-primary-dark: #b45309;
    --color-primary-light: #fbbf24;
    --color-primary-glow: rgba(217, 119, 6, 0.4);
    --color-secondary: #1e293b;
    --color-secondary-light: #334155;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    --color-background: #ffffff;
    --color-background-alt: #f8fafc;
    --color-background-dark: #0f172a;
    --color-border: #e2e8f0;
    --color-white: #ffffff;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    --spacing-3xl: 7rem;

    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(217, 119, 6, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 20px 40px rgba(0, 0, 0, 0.15);

    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-secondary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--color-primary-glow);
    color: var(--color-white);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background-color: transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-img-light {
    filter: brightness(0) invert(1);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
}

.nav-menu a {
    font-weight: 500;
    color: var(--color-secondary);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--color-primary);
    background-color: rgba(217, 119, 6, 0.08);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-toggle:hover {
    background-color: var(--color-background-alt);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 12rem 0 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #fef3e2 0%, #fff7ed 50%, #ffffff 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(251, 191, 36, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* Decorative shapes */
.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 750px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-secondary) 0%, #374151 50%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 580px;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* Floating shapes decoration */
.hero-decoration {
    position: absolute;
    top: 20%;
    right: 5%;
    width: 400px;
    height: 400px;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
}

.section-header-left {
    text-align: left;
}

.section-header-left h2::after {
    left: 0;
    transform: none;
}

.section-header-left p {
    margin: var(--spacing-sm) 0 0;
}

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

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-xl);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--color-primary-dark);
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: 1.7;
}

/* About Section */
.about {
    background: linear-gradient(180deg, var(--color-background-alt) 0%, var(--color-background) 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 0;
    width: 40%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(217, 119, 6, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-text p {
    color: var(--color-text-light);
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-values {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.value-item {
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.value-item h4 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    margin-bottom: 0;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-card {
    padding: var(--spacing-xl);
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.03) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact Section */
.contact {
    background-color: var(--color-background);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, transparent 0%, var(--color-background-alt) 100%);
    pointer-events: none;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.contact-item:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    transform: scale(1.1);
}

.contact-text h4 {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.contact-text p,
.contact-text a {
    color: var(--color-text-light);
    margin-bottom: 0;
}

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

.contact-cta {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(217, 119, 6, 0.05) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

.contact-cta > * {
    position: relative;
    z-index: 1;
}

.contact-cta p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* Footer */
.footer {
    background: linear-gradient(180deg, var(--color-background-dark) 0%, #020617 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--color-text-muted);
    max-width: 320px;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--spacing-2xl);
}

.footer-column h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-muted);
    transition: var(--transition);
    display: inline-block;
}

.footer-column a:hover {
    color: var(--color-primary-light);
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-secondary-light);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: row;
        justify-content: center;
    }

    .stat-card {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-background);
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: var(--shadow-xl);
        display: none;
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--border-radius);
    }

    .hero {
        padding: 9rem 0 5rem;
        min-height: auto;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

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

    .service-card {
        padding: var(--spacing-lg);
    }

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

/* Legal Pages Styles */
.legal-page {
    padding-top: 9rem;
    padding-bottom: var(--spacing-2xl);
    background: linear-gradient(180deg, var(--color-background-alt) 0%, var(--color-background) 100%);
}

.legal-page .container {
    max-width: 800px;
}

.legal-page h1 {
    margin-bottom: var(--spacing-xs);
}

.legal-page .last-updated {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    font-size: 0.9375rem;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.legal-page p,
.legal-page li {
    color: var(--color-text-light);
    line-height: 1.8;
}

.legal-page ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.legal-page li {
    margin-bottom: var(--spacing-xs);
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

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

/* Selection styling */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-background-alt);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}