/* ========================================
   Artifissets Website Styles - REFINED COLOR SCHEME
   Sophisticated low-contrast professional palette
   Fully responsive with relative units
   ======================================== */

/* ========================================
   CSS Variables & Root Styles
   ======================================== */
:root {
    /* Primary Brand Colors - Refined */
    --primary-navy: #1A3A52;
    --primary-navy-light: #2B4F6A;
    --primary-navy-dark: #0F2537;
    
    /* Accent Colors - Muted Fire Palette */
    --accent-coral: #E8725C;
    --accent-terracotta: #C85A47;
    --accent-amber: #E8A05C;
    --accent-gold: #D4A574;
    
    /* Neutral Palette - Warm Grays */
    --neutral-100: #FAFBFC;
    --neutral-200: #F4F6F8;
    --neutral-300: #E8ECEF;
    --neutral-400: #D1D8DD;
    --neutral-500: #8B9BA8;
    --neutral-600: #5F6F7E;
    --neutral-700: #3E4C59;
    --neutral-800: #2A3744;
    --neutral-900: #1C2630;
    
    /* Text Colors */
    --text-primary: #2A3744;
    --text-secondary: #5F6F7E;
    --text-tertiary: #8B9BA8;
    --text-on-dark: #FFFFFF;
    --text-on-dark-secondary: #E8ECEF;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #FAFBFC;
    --bg-tertiary: #F4F6F8;
    --bg-accent: #F9F4F1;
    
    /* Transition */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Global Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 1rem;
    overflow-x: hidden;
    background: var(--bg-primary);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-navy);
    margin-bottom: 2rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    background: rgba(26, 58, 82, 0.98);
    backdrop-filter: blur(0.625rem);
    padding: 1rem 0;
    box-shadow: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.08);
}

.navbar-brand .logo {
    height: 3.75rem;
    width: auto;
    transition: var(--transition);
}

.navbar.scrolled .navbar-brand .logo {
    height: 3.125rem;
}

.navbar-nav .nav-link {
    color: var(--text-on-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 0.375rem;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background: rgba(232, 114, 92, 0.15);
    color: var(--accent-coral) !important;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1A3A52 0%, #2B4F6A 50%, #3E5E78 100%);
    color: var(--text-on-dark);
    padding: 7.5rem 0 5rem 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(232, 114, 92, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(232, 160, 92, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.1) 100%);
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    margin-top: 0;
    color: var(--bg-primary);
    letter-spacing: -0.0625rem;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-amber);
}

.hero-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 50rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    color: var(--text-on-dark-secondary);
}

.hero-buttons {
    margin-top: 2rem;
    margin-bottom: 0;
}

.hero-buttons .btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: var(--transition);
    min-width: 12.5rem;
    text-align: center;
}

.hero-buttons .btn-primary {
    background: var(--accent-amber);
    border: none;
    color: var(--primary-navy);
    box-shadow: 0 0.25rem 0.75rem rgba(232, 160, 92, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.375rem 1.25rem rgba(200, 90, 71, 0.5);
    animation: phoenixRise 0.6s ease forwards;
}

@keyframes phoenixRise {
    0% { background: var(--accent-amber); }
    50% { background: var(--accent-coral); }
    100% { background: var(--accent-terracotta); color: var(--bg-primary); }
}

.hero-buttons .btn-outline-light {
    border: 2px solid var(--accent-amber);
    color: var(--accent-amber);
    background: transparent;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-buttons .btn-outline-light:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.375rem 1.25rem rgba(200, 90, 71, 0.4);
    animation: phoenixRise 0.6s ease forwards;
}

/* ========================================
   Value Proposition Section
   ======================================== */
.value-proposition {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.value-proposition .lead {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.value-card {
    background: var(--bg-tertiary);
    padding: 2.5rem 2rem;
    border-radius: 0.75rem;
    text-align: center;
    height: 100%;
    transition: var(--transition);
    border: 1px solid var(--neutral-300);
}

.value-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 0.75rem 1.5rem rgba(26, 58, 82, 0.08);
    border-color: var(--accent-coral);
    background: var(--bg-primary);
}

.value-icon {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-terracotta) 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 2rem;
}

.value-card h3 {
    color: var(--primary-navy);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========================================
   Services Overview Section
   ======================================== */
.services-overview {
    background: var(--bg-secondary);
    padding: 5rem 0;
}

.service-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 0.75rem;
    height: 100%;
    transition: var(--transition);
    box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.04);
    border: 1px solid var(--neutral-300);
}

.service-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 0.75rem 2rem rgba(26, 58, 82, 0.12);
    border-color: var(--accent-coral);
}

.service-icon {
    width: 4.375rem;
    height: 4.375rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.8rem;
}

.service-card h3 {
    color: var(--primary-navy);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--accent-amber);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.6s ease;
}

.service-link:hover {
    color: var(--accent-terracotta);
    gap: 0.75rem;
}

/* ========================================
   Why Choose Section
   ======================================== */
.why-choose {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.benefit-card {
    text-align: center;
    padding: 2rem 1.5rem;
    height: 100%;
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-0.3125rem);
}

.benefit-icon {
    width: 4.375rem;
    height: 4.375rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-gold) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.8rem;
}

.benefit-card h4 {
    color: var(--primary-navy);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ========================================
   Process Section
   ======================================== */
.process {
    background: var(--bg-secondary);
    padding: 5rem 0;
}

.process-step {
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
    height: 100%;
}

.step-number {
    position: absolute;
    top: 0;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--accent-coral);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-icon {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.5rem;
    background: var(--primary-navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 2rem;
}

.process-step h4 {
    color: var(--primary-navy);
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.process-step p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ========================================
   Industries Section
   ======================================== */
.industries {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.industries .row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.industries .col-md-4 {
    display: flex;
}

.industry-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
    transition: var(--transition);
    border-left: 3px solid var(--primary-navy);
    width: 100%;
    min-height: 5rem;
}

.industry-item:hover {
    background: var(--bg-primary);
    box-shadow: 0 0.25rem 0.75rem rgba(26, 58, 82, 0.08);
    border-left-color: var(--accent-coral);
    transform: translateX(0.3125rem);
}

.industry-item i {
    font-size: 1.75rem;
    color: var(--accent-coral);
    min-width: 1.875rem;
    flex-shrink: 0;
}

.industry-item span {
    color: var(--text-primary);
    font-weight: 500;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 50%, var(--primary-navy-dark) 100%);
    color: var(--text-on-dark);
    padding: 5rem 0;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(232, 114, 92, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta h2 {
    color: var(--text-on-dark);
    font-size: 2.5rem;
}

.cta .lead {
    color: var(--text-on-dark-secondary);
}

.cta p {
    color: var(--text-on-dark-secondary);
}

.cta .btn-light {
    background: var(--accent-amber);
    color: var(--primary-navy);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta .btn-light:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.375rem 1.25rem rgba(200, 90, 71, 0.5);
    animation: phoenixRise 0.6s ease forwards;
}

.cta a {
    color: var(--accent-amber);
    text-decoration: underline;
}

.cta a:hover {
    color: var(--accent-gold);
}

/* ========================================
   Tagline Section
   ======================================== */
.tagline {
    background: var(--bg-accent);
    padding: 3rem 0;
}

.tagline-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-navy);
    font-style: italic;
    letter-spacing: 0.0625rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: 3rem 0 2rem;
}

.footer-logo {
    height: 3.75rem;
    width: auto;
}

.footer h5 {
    color: var(--accent-amber);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer a {
    color: var(--neutral-300);
    transition: var(--transition);
}

.footer a:hover {
    color: var(--text-on-dark);
}

.footer p {
    color: var(--neutral-300);
}

.footer hr {
    border-color: var(--neutral-700);
}

/* ========================================
   Contact Page Styles
   ======================================== */
.contact-hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    color: var(--text-on-dark);
    padding: 8rem 0 4rem;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-on-dark);
}

.contact-hero .lead {
    color: var(--text-on-dark-secondary);
}

.contact-section {
    padding: 5rem 0;
}

.contact-info-card {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 0.75rem;
    text-align: center;
    height: 100%;
    transition: var(--transition);
    border: 1px solid var(--neutral-300);
}

.contact-info-card:hover {
    border-color: var(--accent-coral);
    transform: translateY(-0.3125rem);
    box-shadow: 0 0.5rem 1.25rem rgba(26, 58, 82, 0.08);
}

.contact-icon {
    width: 4.375rem;
    height: 4.375rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-terracotta) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.8rem;
}

.contact-form {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: 0.75rem;
    box-shadow: 0 0.25rem 1rem rgba(26, 58, 82, 0.08);
}

.form-control, .form-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--neutral-300);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-coral);
    box-shadow: 0 0 0 3px rgba(232, 114, 92, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

/* ========================================
   Services Page Styles
   ======================================== */
.services-hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    color: var(--text-on-dark);
    padding: 8rem 0 4rem;
    text-align: center;
}

.services-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-on-dark);
}

.services-hero .lead {
    color: var(--text-on-dark-secondary);
}

.service-detail {
    padding: 5rem 0;
}

.service-detail:nth-child(even) {
    background: var(--bg-secondary);
}

.service-detail h2 {
    color: var(--primary-navy);
    margin-bottom: 2rem;
}

.service-feature {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.service-feature i {
    color: var(--accent-coral);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.service-image {
    border-radius: 0.75rem;
    box-shadow: 0 0.5rem 1.5rem rgba(26, 58, 82, 0.12);
}

/* ========================================
   About Page Styles
   ======================================== */
.about-hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    color: var(--text-on-dark);
    padding: 8rem 0 4rem;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-on-dark);
}

.about-hero .lead {
    color: var(--text-on-dark-secondary);
}

.about-section {
    padding: 5rem 0;
}

.about-section:nth-child(even) {
    background: var(--bg-secondary);
}

.team-member {
    text-align: center;
    padding: 2rem;
}

.team-photo {
    width: 12.5rem;
    height: 12.5rem;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-terracotta) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 4rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 991px) {
    .hero {
        padding: 6.25rem 0 3.75rem 0;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .hero {
        padding: 5.625rem 0 3.125rem 0;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .hero-buttons .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
        display: block;
        width: 100%;
        margin-bottom: 1rem;
        min-width: auto;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .navbar-brand .logo {
        height: 3.125rem;
    }
}

/* ========================================
   Animation Classes
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1.875rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   Utility Classes
   ======================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-terracotta) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
}

.bg-gradient-fire {
    background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-terracotta) 100%);
}