/* ==========================================================================
   Local Fonts Setup
   ========================================================================== */
@font-face {
    font-family: 'Vazirmatn';
    src: url('assets/fonts/Vazirmatn-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('assets/fonts/Vazirmatn-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('assets/fonts/Vazirmatn-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('assets/fonts/Vazirmatn-ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-style: normal;
}

/* ==========================================================================
   CSS Variables (Navy & Gold Theme based on Logo)
   ========================================================================== */
:root {
    /* Base Layout Colors */
    --bg-main: #f8fafc; 
    --bg-surface: #ffffff; 
    --bg-gray: #f1f5f9; 
    
    --text-primary: #0f172a; 
    --text-secondary: #475569; 
    --text-muted: #94a3b8;
    
    /* Identity Colors Extracted from Logo */
    --primary-color: #002b5e; /* Navy Blue */
    --primary-dark: #001a38;
    --secondary-color: #c99c33; /* Gold */
    --secondary-dark: #a67f27;
    
    --border-light: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --error: #ef4444;
    --success: #22c55e;

    /* Semantic Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #004080 100%);
    --gradient-gold: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    
    /* Box 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-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography Global Settings */
    --font-family: 'Vazirmatn', system-ui, -apple-system, sans-serif;
    
    /* Global Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { 
    scroll-behavior: smooth; 
}

body {
    font-family: var(--font-family);
    color: var(--text-secondary);
    background-color: var(--bg-main);
    line-height: 1.8;
    overflow-x: hidden;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.3;
}

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

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

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
}

.relative-z { position: relative; z-index: 10; }
.bg-gray { background-color: var(--bg-gray); }
.mt-4 { margin-top: 1.5rem; }

.sr-only { 
    position: absolute; width: 1px; height: 1px; 
    padding: 0; margin: -1px; overflow: hidden; 
    clip: rect(0,0,0,0); border: 0; 
}

/* Section Containers */
section { padding: 100px 0; }

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-subtitle { 
    font-size: 1.15rem; 
    color: var(--text-secondary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 43, 94, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 43, 94, 0.4);
    color: #fff;
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-block { width: 100%; }

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.main-header {
    background: rgba(255, 255, 255, 0.85); 
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px 0; 
    position: fixed; 
    width: 100%; 
    top: 0; 
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

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

.main-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.98); 
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.logo { 
    display: flex;
    align-items: center;
}

.header-logo-img {
    height: 75px; 
    vertical-align: middle;
    cursor: zoom-in;
    filter: drop-shadow(0 4px 6px rgba(0, 43, 94, 0.15)); 
    transition: transform var(--transition-smooth), filter var(--transition-smooth);
}

.logo:hover .header-logo-img {
    transform: scale(1.05); 
    filter: drop-shadow(0 6px 12px rgba(0, 43, 94, 0.25));
}

.main-nav ul { 
    display: flex; 
    list-style: none; 
}

.main-nav ul li { margin: 0 16px; }

.main-nav ul li a { 
    color: var(--text-secondary); 
    font-weight: 500; 
    position: relative;
    padding-bottom: 4px;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
    transform-origin: right;
}

.main-nav ul li a:hover, 
.main-nav ul li a.active { 
    color: var(--primary-color); 
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    transform: scaleX(1);
}

.header-cta-btn {
    padding: 10px 20px; 
    background: var(--bg-surface); 
    color: var(--primary-color);
    border: 1px solid var(--border-light); 
    border-radius: 8px; 
    font-weight: 700;
    font-size: 0.95rem;
    display: flex; 
    align-items: center; 
    gap: 8px;
    transition: var(--transition-fast); 
}

.header-cta-btn:hover {
    background: var(--primary-color); 
    color: #fff;
    border-color: var(--primary-color);
}

/* ==========================================================================
   Hero Slider Section
   ========================================================================== */
.hero-slider-container {
    position: relative;
    min-height: 100vh;
    padding-top: 80px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    overflow: hidden;
    background-color: var(--bg-main);
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(248, 250, 252, 0.95) 0%, rgba(248, 250, 252, 0.7) 100%);
    z-index: 1;
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
    z-index: 0;
}

.hero-bg-image.active { opacity: 1; }

.hero-slide-content {
    z-index: 10;
    display: none;
    flex-direction: column;
    justify-content: center;
    max-width: 650px;
    position: relative;
    padding: 40px; 
    background: rgba(255, 255, 255, 0.85); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px; 
    box-shadow: var(--shadow-lg); 
    border: 1px solid rgba(255, 255, 255, 0.5); 
}

.hero-slide-content.active {
    display: flex;
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero-badge {
    align-self: flex-start;
    background-color: rgba(201, 156, 51, 0.1);
    color: var(--secondary-dark);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 16px;
    border: 1px solid rgba(201, 156, 51, 0.3);
}

.hero-slide-content h1 {
    font-size: 3.2rem; 
    font-weight: 800; 
    margin-bottom: 24px; 
    color: var(--primary-dark);
    letter-spacing: -1px;
}

.hero-slide-content p {
    font-size: 1.2rem; 
    margin-bottom: 40px; 
    color: var(--text-secondary); 
    line-height: 1.8;
}

.hero-cta-group { 
    display: flex; 
    gap: 16px; 
    flex-wrap: wrap; 
}

/* Hero Slider Navigation Arrows */
.hero-slider-arrows {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 20;
    pointer-events: none; /* Allows clicking content behind the invisible flexbox */
}

.hero-control-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(201, 156, 51, 0.4);
    color: var(--secondary-color); /* Gold Color */
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    pointer-events: auto; /* Re-enables clicking for buttons */
}

.hero-control-btn:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--secondary-color);
    transform: scale(1.1);
}

/* Hero Slider Navigation Dots (Horizontal & Bottom) */
.hero-slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: row;
    gap: 12px;
    z-index: 15;
    top: auto; 
    right: auto;
}

.hero-nav-dot {
    width: 12px; height: 12px; 
    border-radius: 50%;
    border: none; 
    background: var(--border-hover);
    cursor: pointer; 
    transition: var(--transition-fast); 
}

.hero-nav-dot.active {
    background: var(--secondary-color);
    transform: scale(1.3);
}

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

/* ==========================================================================
   Services Grid Section
   ========================================================================== */
.solutions-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 30px; 
}

.solution-card {
    background: var(--bg-surface);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

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

.icon-wrapper {
    width: 64px;
    height: 64px;
    background: rgba(0, 43, 94, 0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.solution-card:hover .icon-wrapper {
    background: var(--gradient-primary);
}

.icon-wrapper i { 
    font-size: 1.8rem; 
    color: var(--primary-color); 
    transition: var(--transition-smooth);
}

.solution-card:hover .icon-wrapper i {
    color: var(--secondary-color);
}

.solution-card h3 { 
    font-size: 1.4rem; 
    margin-bottom: 16px;
}

/* ==========================================================================
   Contact Form & Demo Section
   ========================================================================== */
.demo-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 24px; 
    padding: 0;
    max-width: 1000px; 
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    display: flex;
    overflow: hidden;
}

.demo-content {
    flex: 1;
    padding: 50px;
    background: var(--gradient-primary);
    color: #fff;
}

.demo-content h2 { color: #fff; margin-bottom: 20px; }
.demo-content p { color: rgba(255,255,255,0.9); margin-bottom: 30px; }

.contact-info-list { list-style: none; }
.contact-info-list li {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 16px; font-weight: 500;
}
.contact-info-list i { color: var(--secondary-color); font-size: 1.2rem; }

/* Enhanced Phone Number Formatting */
.direct-contact-numbers {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.direct-contact-numbers h4 {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    color: #fff;
}

.direct-contact-numbers h4 i { color: var(--secondary-color); margin-left: 8px; }

.phone-links-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding-right: 1.5rem;
}

.phone-link {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(201, 156, 51, 0.3);
    border-radius: 12px;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    direction: ltr;
    transition: var(--transition-smooth);
}

.phone-link i { color: var(--secondary-color); font-size: 1.1rem; }

.phone-link:hover {
    background: var(--secondary-color);
    color: var(--primary-dark);
    border-color: var(--secondary-color);
    transform: translateX(-5px);
}

.phone-link:hover i { color: var(--primary-dark); }

.demo-form { 
    flex: 1.2;
    padding: 50px;
    display: flex; 
    flex-direction: column; 
    gap: 20px; 
}

.form-row { display: flex; gap: 20px; }
.form-group { flex: 1; display: flex; flex-direction: column; gap: 8px; }

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.required { color: var(--error); }

.form-input {
    width: 100%; padding: 14px 16px;
    background: var(--bg-main);
    border: 1px solid var(--border-light);
    border-radius: 8px; 
    color: var(--text-primary);
    font-family: inherit; 
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none; 
    border-color: var(--primary-color);
    background: var(--bg-surface);
    box-shadow: 0 0 0 4px rgba(0, 43, 94, 0.1);
}

textarea.form-input { resize: vertical; min-height: 100px; }

/* ==========================================================================
   About Us Section
   ========================================================================== */
.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 { margin-bottom: 24px; font-size: 2.2rem; }
.about-text p { margin-bottom: 16px; font-size: 1.1rem; }

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--secondary-color);}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
    direction: ltr;
}

.stat-label {
    font-weight: 700;
    color: var(--text-secondary);
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
    background: var(--bg-surface);
    padding: 80px 0 20px;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: 1px;
}

/* Styled brand typography span to match logo colors */
.footer-brand h3 span {
    color: var(--secondary-color); /* Gold color for 'Tea' */
}

.footer-brand p { margin-bottom: 24px; max-width: 400px; }

.social-links { display: flex; gap: 16px; }
.social-links a {
    display: inline-flex; justify-content: center; align-items: center;
    width: 40px; height: 40px;
    background: var(--bg-main); border-radius: 8px;
    color: var(--text-secondary); border: 1px solid var(--border-light);
}
.social-links a:hover {
    background: var(--primary-color); color: #fff; border-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links-col h4 { margin-bottom: 24px; font-size: 1.2rem; }

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: var(--text-secondary); }
.footer-links a:hover { color: var(--secondary-color); padding-right: 8px; }

.contact-footer-list { padding: 0; }
.contact-footer-list li { margin-bottom: 15px; }

.footer-phone-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary) !important;
    font-size: 1.15rem;
    font-weight: 700;
    direction: ltr;
    transition: var(--transition-fast);
}

.footer-phone-link i { color: var(--secondary-color); }
.footer-phone-link:hover { color: var(--secondary-color) !important; }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Logo Lightbox Overlay (White Glassmorphism Zoom Effect)
   ========================================================================== */
.logo-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95); /* High opacity white background for clear PNG rendering */
    backdrop-filter: blur(10px); /* Frosted glass effect for underlying content */
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    cursor: zoom-out;
}

.logo-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.logo-lightbox img {
    height: 400px;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.5);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Fluid elastic bounce animation */
    filter: drop-shadow(0 10px 25px rgba(0, 43, 94, 0.12)); /* Elegant soft navy drop shadow */
    border-radius: 50%;
}

.logo-lightbox.active img {
    transform: scale(1);
}

/* ==========================================================================
   Responsive Adaptive Design Settings
   ========================================================================== */
@media (max-width: 992px) {
    .demo-box { flex-direction: column; }
    .demo-content, .demo-form { padding: 40px; }
    .about-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 768px) {
    .main-header { padding: 12px 0; }
    .main-nav { display: none; }
    
    .hero-slide-content h1 { font-size: 2.2rem; }
    .hero-slider-arrows { bottom: 80px; top: auto; transform: none; padding: 0 20px; }
    .hero-control-btn { width: 45px; height: 45px; }
    
    /* Centered bottom dots for mobile */
    .hero-slider-nav { bottom: 20px; }
    
    .form-row { flex-direction: column; gap: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    
    .logo-lightbox img { height: 300px; }
    section { padding: 70px 0; }
}