/* ============================================
   Rellaco - Main Styles
   Modern iOS 26 Design Language
   ============================================ */

:root {
    /* Grayscale Primary for Dark Mode - Light shades */
    --primary-color: #ffffff;
    --primary-light: #f5f5f5;
    --primary-dark: #e0e0e0;
    --primary-rgb: 255, 255, 255;
    
    /* Dark Theme Colors - Pure black and dark grays */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    --bg-card: #121212;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    /* Spacing */
    --section-padding: 140px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-bs-theme="light"] {
    --primary-color: #000000;
    --primary-light: #1a1a1a;
    --primary-dark: #000000;
    --primary-rgb: 0, 0, 0;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #ebebeb;
    --bg-card: #ffffff;
    --text-primary: #000000;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6a6a6a;
    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.2);
}

/* ============================================
   Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    max-width: 100%;
}

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: clip;
    max-width: 100vw;
    line-height: 1.7;
    font-size: 16px;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }

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

.brand-gradient {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============================================
   Glass Morphism Effects
   ============================================ */

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    overflow: hidden;
}

[data-bs-theme="light"] .glass-card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="light"] .glass-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.glass-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6),
                0 2px 8px rgba(255, 255, 255, 0.05) inset;
    transition: all var(--transition-normal);
}

.glass-nav.scrolled {
    padding: 0.75rem 0;
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7),
                0 2px 8px rgba(255, 255, 255, 0.08) inset;
}

[data-bs-theme="light"] .glass-nav {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12),
                0 2px 8px rgba(0, 0, 0, 0.05) inset;
}

[data-bs-theme="light"] .glass-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15),
                0 2px 8px rgba(0, 0, 0, 0.08) inset;
}

.glass-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
    color: var(--text-secondary);
}

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

.navbar-brand {
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-brand::before {
    content: '';
    position: absolute;
    inset: -8px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.navbar-brand:hover::before {
    opacity: 1;
}

.navbar-brand img {
    filter: invert(1) drop-shadow(0 2px 8px rgba(255,255,255,0.2));
    transition: all var(--transition-normal);
}

[data-bs-theme="light"] .navbar-brand img {
    filter: invert(0) drop-shadow(0 2px 8px rgba(0,0,0,0.1));
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.navbar-brand:hover img {
    filter: invert(1) drop-shadow(0 4px 16px rgba(255,255,255,0.3));
    transform: scale(1.05) rotate(-5deg);
}

[data-bs-theme="light"] .navbar-brand:hover img {
    filter: invert(0) drop-shadow(0 4px 16px rgba(0,0,0,0.2));
}

.nav-link {
    position: relative;
    padding: 0.75rem 1.5rem !important;
    font-weight: 500;
    color: var(--text-secondary) !important;
    transition: all var(--transition-normal);
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(255,255,255,0.05) 0%, 
        rgba(255,255,255,0.02) 100%);
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    right: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-color) 50%, 
        transparent 100%);
    box-shadow: 0 0 12px rgba(255,255,255,0.5);
    transition: all var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 70%;
    right: 15%;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    transform: translateY(-2px);
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

[data-bs-theme="light"] .nav-link::before {
    background: linear-gradient(135deg, 
        rgba(0,0,0,0.05) 0%, 
        rgba(0,0,0,0.02) 100%);
}

[data-bs-theme="light"] .nav-link::after {
    box-shadow: 0 0 12px rgba(0,0,0,0.3);
}

/* Mobile Navigation Toggle */
.navbar-toggler {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.navbar-toggler::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.navbar-toggler:hover::before {
    opacity: 1;
}

.navbar-toggler:hover {
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.navbar-toggler-icon {
    width: 1.5em;
    height: 1.5em;
    filter: invert(0);
    transition: transform var(--transition-normal);
}

[data-bs-theme="light"] .navbar-toggler-icon {
    filter: invert(1);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    transform: rotate(90deg);
}

/* Mobile Menu Styling */
@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--bg-secondary);
        border-radius: var(--radius-md);
        margin-top: 1rem;
        padding: 1rem;
        border: 1px solid var(--border-color);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }
    
    .nav-link {
        padding: 1rem 1.5rem !important;
        border-radius: var(--radius-sm);
        margin: 0.25rem 0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.05);
        transform: translateX(8px);
    }
    
    [data-bs-theme="light"] .nav-link:hover {
        background: rgba(0, 0, 0, 0.05);
    }
}

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 42px;
    height: 42px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.theme-toggle-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.15), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.theme-toggle-btn:hover::before {
    opacity: 1;
}

.theme-toggle-btn:hover {
    transform: scale(1.1) rotate(15deg);
    color: var(--primary-color) !important;
    border-color: var(--border-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.theme-toggle-btn i {
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
}

.theme-toggle-btn:active {
    transform: scale(0.95);
}

/* Auth Buttons Group - Merged Design */
.auth-buttons-group {
    display: inline-flex;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 28px;
    padding: 4px;
    gap: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    transition: all var(--transition-normal);
}

.auth-buttons-group:hover {
    border-color: var(--border-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.auth-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 1.25rem;
    border-radius: 24px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.auth-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.auth-btn:hover::before {
    transform: translateX(0);
}

.auth-btn i {
    font-size: 1rem;
    transition: transform var(--transition-normal);
}

.auth-btn:hover i {
    transform: scale(1.2);
}

.auth-btn-login {
    color: var(--text-secondary);
    background: transparent;
}

.auth-btn-login:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.auth-btn-register {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #000;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2) inset;
}

.auth-btn-register:hover {
    color: #000;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3) inset,
                0 8px 24px rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

[data-bs-theme="light"] .theme-toggle-btn {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-bs-theme="light"] .auth-buttons-group {
    background: var(--bg-tertiary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(0, 0, 0, 0.05) inset;
}

[data-bs-theme="light"] .auth-buttons-group:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(0, 0, 0, 0.1) inset;
}

[data-bs-theme="light"] .auth-btn-login {
    color: var(--text-secondary);
}

[data-bs-theme="light"] .auth-btn-login:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.08);
}

[data-bs-theme="light"] .auth-btn-register {
    color: #fff;
    background: linear-gradient(135deg, #000, #1a1a1a);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) inset;
}

[data-bs-theme="light"] .auth-btn-register:hover {
    color: #fff;
    background: linear-gradient(135deg, #1a1a1a, #000);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) inset,
                0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Mobile Responsive */
@media (max-width: 991px) {
    .auth-buttons-group {
        width: 100%;
        flex-direction: column;
        border-radius: var(--radius-md);
        padding: 0.5rem;
    }
    
    .auth-btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1.5rem;
        border-radius: var(--radius-sm);
    }
}

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

.btn {
    font-weight: 600;
    border: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--bg-primary) !important;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-light {
    border: 2px solid var(--border-hover);
    color: var(--text-primary);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-lg {
    font-size: 1rem;
    padding: 14px 32px;
}

/* ============================================
   Sections
   ============================================ */

section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* ============================================
   Animations
   ============================================ */

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

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

.floating-card {
    animation: float 3s ease-in-out infinite;
}

/* ============================================
   Scroll Indicator
   ============================================ */

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    right: 50%;
    transform: translateX(50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: white;
    font-size: 2rem;
    text-decoration: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(50%) translateY(0);
    }
    40% {
        transform: translateX(50%) translateY(-15px);
    }
    60% {
        transform: translateX(50%) translateY(-7px);
    }
}

/* ============================================
   Form Styles
   ============================================ */

.form-control, .form-floating > .form-control {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    padding: 12px 16px;
}

.form-control:focus, .form-floating > .form-control:focus {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
}

.form-floating > label {
    color: var(--text-tertiary);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 991px) {
    :root {
        --section-padding: 80px;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
    }
    
    .btn-lg {
        padding: 0.75rem 2rem !important;
        font-size: 0.9rem;
    }
}

/* ============================================
   Bootstrap Overrides
   ============================================ */

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--bg-primary) !important;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

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

.overflow-hidden {
    overflow: hidden;
}

.position-relative {
    position: relative;
}

.z-index-1 {
    z-index: 1;
}

.z-index-2 {
    z-index: 2;
}

/* ============================================
   Mobile Overflow Fixes
   ============================================ */

@media (max-width: 768px) {
    .container, .container-fluid {
        padding-left: 10px !important;
        padding-right: 10px !important;
        max-width: 100% !important;
    }
    
    .row {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    [class*="col-"] {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    
    /* Prevent buttons and cards from overflowing */
    .btn, .card, .service-card {
        max-width: 100%;
        word-wrap: break-word;
    }
    
    /* Fix featured service cards on mobile */
    .featured-service .row {
        margin: 0 !important;
    }
    
    .featured-service [class*="col-"] {
        padding: 10px !important;
    }
}

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

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.site-footer .footer-logo a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.site-footer .footer-description {
    font-size: 0.95rem;
    line-height: 1.7;
}

.site-footer .footer-social a {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.site-footer .footer-social a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

.site-footer .footer-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.site-footer .footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.site-footer .footer-links li {
    margin-bottom: 0.75rem;
}

.site-footer .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.site-footer .footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.site-footer .footer-cta .btn {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
}

.site-footer .footer-contact a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.site-footer hr {
    border-color: var(--border-color);
    opacity: 0.5;
}

.site-footer .footer-bottom-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.site-footer .footer-bottom-links a:hover {
    color: var(--primary-color);
}

@media (max-width: 767.98px) {
    .site-footer {
        text-align: center;
    }
    
    .site-footer .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .site-footer .footer-social {
        justify-content: center;
    }
    
    .site-footer .footer-cta .d-flex {
        justify-content: center;
    }
    
    .site-footer .footer-contact li {
        justify-content: center;
    }
}
