/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */

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

:root {
    /* Color Palette - Modern Professional Blue/White/Gray */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #10b981;
    --color-accent: #6366f1;
    
    /* Text Colors */
    --color-text-primary: #111827;
    --color-text-secondary: #4b5563;
    --color-text-tertiary: #6b7280;
    --color-text-light: #9ca3af;
    
    /* Background Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f9fafb;
    --color-bg-tertiary: #f3f4f6;
    --color-bg-dark: #111827;
    
    /* Border Colors */
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 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;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

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

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

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-xs);
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-border-light);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    min-height: 72px;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    transition: color var(--transition-base);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: color var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

.nav-link:hover,
.nav-link:focus {
    color: var(--color-primary);
    outline: none;
}

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

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

.btn-get-started {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    white-space: nowrap;
}



.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
    display: block;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--spacing-2xl)) 0 var(--spacing-3xl);
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%);
    z-index: 0;
    pointer-events: none;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    animation: pulse 20s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-wrapper {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-3xl);
    align-items: flex-start;
    animation: fadeInUp 0.8s ease;
}

.hero-content {
    text-align: left;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: auto;
    max-height: 320px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px -15px rgba(37, 99, 235, 0.3);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
    transition: transform var(--transition-base);
    margin-top: var(--spacing-sm);
}

.hero-image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.hero-image {
    width: 100%;
    height: 100%;
    max-height: 320px;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    display: block;
    position: relative;
    z-index: 2;
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.05);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(99, 102, 241, 0.1) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translate(20px, 20px) rotate(180deg);
        opacity: 0.6;
    }
}

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

.hero-headline {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: left;
}

.hero-subheadline {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
    
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    outline: none;
}

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

.btn-secondary {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--color-primary);
    /* color: var(--color-bg-primary); */
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    outline: none;
}

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

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transform: scaleY(0);
    transition: transform var(--transition-base);
    transform-origin: bottom;
}

.highlight-item:hover::before {
    transform: scaleY(1);
}

.highlight-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(249, 250, 251, 1) 100%);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
    line-height: 1;
    transition: transform var(--transition-base);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.highlight-item:hover .highlight-icon {
    transform: scale(1.15) rotate(5deg);
}

.highlight-item span {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    letter-spacing: -0.01em;
    transition: color var(--transition-base);
}

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

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 2px;
}

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

.about-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    order: 1;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    display: block;
    position: relative;
    z-index: 2;
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.05);
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    z-index: 1;
    pointer-events: none;
}

.about-content {
    order: 2;
}

.about-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.about-text:last-child {
    margin-bottom: 0;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
}

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

.service-card {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-number {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.service-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-bg-dark);
    color: var(--color-bg-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-bg-primary);
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-base);
}

.contact-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item address,
.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-base);
    font-style: normal;
}

.contact-item a:hover,
.contact-item a:focus {
    color: var(--color-bg-primary);
    outline: none;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: var(--font-size-base);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--color-bg-primary);
    outline: none;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 968px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-headline {
        font-size: var(--font-size-4xl);
        text-align: center;
    }
    
    .hero-subheadline {
        font-size: var(--font-size-lg);
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image-wrapper {
        max-height: 280px;
        order: -1;
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
        margin-top: 0;
    }

    .hero-image-wrapper:hover {
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.01);
    }

    .hero-image {
        max-height: 280px;
    }

    .hero-highlights {
        margin-top: var(--spacing-2xl);
        padding: 0;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-image-wrapper {
        order: -1;
        min-height: 350px;
    }

    .about-content {
        order: 1;
    }

    .about-text {
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

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

    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        flex-direction: column;
        background: var(--color-bg-primary);
        width: 100%;
        text-align: left;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-top: 1px solid var(--color-border-light);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-sm) 0;
    }

    .btn-get-started {
        display: none;
    }

    .hero {
        padding: calc(72px + var(--spacing-lg)) 0 var(--spacing-2xl);
        min-height: auto;
    }

    .hero-wrapper {
        gap: var(--spacing-xl);
    }

    .hero-image-wrapper {
        max-height: 240px;
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
        margin-top: 0;
    }

    .hero-image {
        max-height: 240px;
    }

    .hero-image-wrapper:hover {
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.01);
    }

    .hero-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-top: var(--spacing-xl);
    }

    .highlight-item {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .hero-headline {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-md);
        text-align: center;
    }

    .hero-subheadline {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        margin-bottom: var(--spacing-2xl);
    }

    .btn {
        width: 100%;
        max-width: 100%;
    }

    .hero-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .highlight-item {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .about,
    .services {
        padding: var(--spacing-2xl) 0;
    }

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

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

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

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

    .hero-headline {
        font-size: var(--font-size-2xl);
    }

    .hero-subheadline {
        font-size: var(--font-size-sm);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .about-wrapper {
        gap: var(--spacing-xl);
    }

    .about-image-wrapper {
        min-height: 280px;
    }

    .about-text {
        font-size: var(--font-size-base);
        text-align: center;
    }

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

    .service-title {
        font-size: var(--font-size-lg);
    }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

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

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   AUTH MODAL
   ============================================ */

.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    padding: var(--spacing-md);
}

.auth-modal.active {
    opacity: 1;
    visibility: visible;
}

.auth-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

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

.auth-modal-container {
    position: relative;
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
    z-index: 1;
}

.auth-modal.active .auth-modal-container {
    transform: scale(1) translateY(0);
    opacity: 1;
    animation: modalSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideIn {
    0% {
        transform: scale(0.9) translateY(30px);
        opacity: 0;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.auth-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    color: var(--color-text-secondary);
}

.auth-modal-close:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    transform: rotate(90deg);
}

.auth-modal-content {
    padding: var(--spacing-2xl);
}

.auth-user-type-toggle {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding: 6px;
    border-radius: var(--radius-xl);
    background: var(--color-bg-tertiary);
    margin-bottom: var(--spacing-lg);
}

.user-type-btn {
    border: none;
    border-radius: var(--radius-lg);
    background: transparent;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.user-type-btn span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.user-type-btn.active {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.user-type-btn:not(.active):hover {
    color: var(--color-text-primary);
}

.auth-user-type-section {
    display: none;
}

.auth-user-type-section.active {
    display: block;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: var(--color-bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-lg);
    position: relative;
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    font-family: var(--font-family);
}

.auth-tab.active {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.auth-tab:hover:not(.active) {
    color: var(--color-text-primary);
}

/* Auth Forms */
.auth-form {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.auth-form.active {
    display: block;
    padding: 25px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.auth-form-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Login Method Toggle */
.login-method-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: var(--color-bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-lg);
}

.method-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-family: var(--font-family);
}

.method-btn.active {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.method-btn:hover:not(.active) {
    color: var(--color-text-primary);
}

.method-btn svg {
    flex-shrink: 0;
}

.login-method-form {
    display: none;
    animation: fadeIn 0.3s ease;
}

.login-method-form.active {
    display: block;
}

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

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

.form-group label {
    display: block;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    transition: all var(--transition-base);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Password Input Wrapper */
.password-input-wrapper {
    position: relative;
}

.password-input-wrapper input {
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-base);
    border-radius: var(--radius-sm);
}

.password-toggle:hover {
    color: var(--color-primary);
    background: var(--color-bg-tertiary);
}

.password-toggle svg {
    display: block;
}

.password-strength {
    margin-top: var(--spacing-xs);
    height: 4px;
    border-radius: 2px;
    background: var(--color-bg-tertiary);
    overflow: hidden;
    position: relative;
}

.password-strength::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--color-text-light);
    transition: width var(--transition-base), background var(--transition-base);
}

.password-strength.weak::after {
    width: 33%;
    background: #ef4444;
}

.password-strength.medium::after {
    width: 66%;
    background: #f59e0b;
}

.password-strength.strong::after {
    width: 100%;
    background: var(--color-secondary);
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.forgot-password-link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

.forgot-password-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.btn-submit:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-text {
    transition: opacity var(--transition-base);
}

.btn-submit.loading .btn-text {
    opacity: 0;
}

.btn-loader {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-bg-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

.btn-submit.loading .btn-loader {
    display: block;
}

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

/* Auth Message */
.auth-message {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-message.show {
    display: block;
}

.auth-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-secondary);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.auth-message.info {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

/* Responsive Design for Modal */
@media (max-width: 768px) {
    .auth-modal-container {
        max-width: 100%;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 95vh;
    }

    .auth-modal-content {
        padding: var(--spacing-xl);
    }

    .auth-form-title {
        font-size: var(--font-size-xl);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .login-method-toggle {
        flex-direction: column;
    }

    .method-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .auth-modal {
        padding: 0;
        align-items: flex-end;
    }

    .auth-modal-container {
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 90vh;
    }

    .auth-modal-content {
        padding: var(--spacing-lg);
    }

    .auth-tabs {
        margin-bottom: var(--spacing-lg);
    }

    .auth-tab {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}