/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Interstellix Brand Colors */
    --color-primary: #F54702;
    --color-gray-light: #E8E8E8;
    --color-gray-dark: #464646;
    --color-white: #ffffff;
    --color-black: #000000;
    
    /* Derived Colors */
    --color-dark: #1a1a1a;
    --color-gray-medium: #666666;
    --color-gray-lighter: #fafafa;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    
    /* Semantic Colors */
    --color-bg-primary: var(--color-white);
    --color-bg-secondary: var(--color-gray-50);
    --color-text-primary: var(--color-gray-dark);
    --color-text-secondary: var(--color-gray-medium);
    --color-border: var(--color-gray-light);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    --spacing-5xl: 10rem;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 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), 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);
}

html {
    scroll-behavior: smooth;
}

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

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

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

/* Navigation - Modern Glass Effect */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    min-height: 100px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition-base);
    z-index: 1;
}

.logo-link:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

.logo-img {
    height: 80px;
    width: auto;
    display: block;
}

.nav-links {
    display: none;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.nav-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.9375rem;
    transition: 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-color: var(--color-primary);
    transition: var(--transition-base);
}

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

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

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-base);
}

/* Hero Section - Modern SaaS Style */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: var(--spacing-5xl);
    background: linear-gradient(to bottom, #ffffff 0%, #fafafa 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 71, 2, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 15s ease-in-out infinite;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(70, 70, 70, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(70, 70, 70, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
}

.hero-title .highlight {
    display: block;
    color: var(--color-primary);
    margin-top: 0.25rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff6b35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
        gap: var(--spacing-md);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollDown 2s ease-in-out infinite;
}

/* Buttons - Modern Style */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
    min-width: 180px;
    justify-content: center;
    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 svg {
    transition: var(--transition-base);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(245, 71, 2, 0.25);
}

.btn-primary:hover {
    background-color: #d63d02;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px 0 rgba(245, 71, 2, 0.35);
}

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

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

.btn-secondary:hover {
    background-color: var(--color-gray-lighter);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Section Styles */
section {
    padding: var(--spacing-5xl) 0;
    position: relative;
}

.section-intro {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* About Section */
.about {
    background-color: var(--color-bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

.about-card {
    padding: var(--spacing-3xl);
    background-color: var(--color-white);
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary) 0%, #ff6b35 100%);
    transform: scaleY(0);
    transition: var(--transition-base);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(245, 71, 2, 0.2);
}

.about-card:hover::before {
    transform: scaleY(1);
}

.card-number {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    color: rgba(70, 70, 70, 0.15);
    line-height: 1;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-primary);
}

.about-card h3 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.about-card .value-prop {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.about-card .tagline {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-top: var(--spacing-lg);
    font-style: italic;
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-md);
}

.services-section {
    margin-top: var(--spacing-4xl);
}

.services-title {
    font-size: 2.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

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

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

.service-category {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.service-category:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.service-category h4 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    position: relative;
    padding-left: var(--spacing-lg);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    font-size: 1.125rem;
}

/* Values Section */
.values {
    background: linear-gradient(180deg, var(--color-gray-dark) 0%, #2d2d2d 100%);
    color: var(--color-white);
    position: relative;
}

.values-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(245, 71, 2, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245, 71, 2, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
}

.values .section-title {
    color: var(--color-text-light);
}

.values .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

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

@media (min-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xl);
    }
}

.value-card {
    padding: var(--spacing-2xl);
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.value-card:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(245, 71, 2, 0.2);
}

.value-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(245, 71, 2, 0.15);
    border-radius: 16px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.value-card:hover .value-icon {
    background-color: rgba(245, 71, 2, 0.25);
    transform: scale(1.1);
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4xl);
}

@media (min-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--spacing-5xl);
    }
}

.contact-info {
    max-width: 500px;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    padding: var(--spacing-sm);
    background-color: rgba(245, 71, 2, 0.1);
    border-radius: 12px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1rem;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition-base);
    font-weight: var(--font-weight-medium);
}

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

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    font-size: 1rem;
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-text-primary);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(245, 71, 2, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-status {
    padding: var(--spacing-md);
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
    display: none;
}

.form-status:not(:empty) {
    display: block;
}

.form-status-success {
    background-color: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-status-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

#submitLoader {
    display: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Footer - White Background */
.footer {
    background-color: var(--color-white);
    color: var(--color-text-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.footer-logo .logo-img {
    height: 60px;
    width: auto;
    opacity: 1;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.6;
    }
}

@keyframes scrollDown {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(20px);
        opacity: 0;
    }
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.15s !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}