/* ===================================
   MTCL Premium Website Styles
   Modern, Luxury Telecom Design
   Red & White Theme
=================================== */

:root {
    /* Primary Colors */
    --primary-red: #DC143C;
    --primary-red-dark: #B91C3C;
    --primary-red-light: #F87171;
    --primary-white: #FFFFFF;
    --secondary-gray: #6B7280;
    --dark-gray: #1F2937;
    --light-gray: #F9FAFB;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #DC143C 0%, #B91C3C 100%);
    --gradient-secondary: linear-gradient(135deg, #F87171 0%, #DC143C 100%);
    --gradient-dark: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    --gradient-hero: linear-gradient(135deg, rgba(220, 20, 60, 0.7) 0%, rgba(185, 28, 60, 0.8) 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 15px;
    
    /* Shadows */
    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-premium: 0 25px 50px -12px rgba(220, 20, 60, 0.25);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    /* Animations */
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px; /* Account for fixed navbar */
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--primary-white);
    overflow-x: hidden;
}

/* General Section Spacing */
section {
    position: relative;
    z-index: 1;
}

section:not(.hero-section) {
    padding-top: 100px;
    padding-bottom: 100px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Utility Classes */
.text-premium {
    color: #fff; /* Fallback color */
    /* background: var(--gradient-primary); */
    /* -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text; */
    font-weight: 800;
}

.section-padding {
    padding: var(--section-padding);
}

/* Buttons */
.btn {
    font-family: var(--font-secondary);
    font-weight: 600;
    padding: 10px 10px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-medium);
    border: none;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-premium {
    background: var(--gradient-primary);
    color: var(--primary-white);
    box-shadow: var(--shadow-premium);
    border: 2px solid transparent;
}

.btn-premium:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -12px rgba(220, 20, 60, 0.4);
    color: var(--primary-white);
}

.btn-premium::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: left var(--transition-slow);
}

.btn-premium:hover::before {
    left: 100%;
}

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

.btn-outline-light:hover {
    background: var(--primary-white);
    color: var(--primary-red);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* Section Badges */
.section-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--primary-white);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2rem);
    margin-bottom: 1.5rem;
    position: relative;
}

.section-description {
    font-size: 1rem;
    color: var(--secondary-gray);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Navigation */

.premium-nav {
    background: rgba(31, 41, 55, 0.85);
    backdrop-filter: blur(18px) saturate(180%);
    box-shadow: 0 8px 32px -8px rgba(220,20,60,0.10), 0 1.5px 8px -2px rgba(31,41,55,0.08);
    border-radius: 0 0 32px 32px;
    padding: 18px 0 18px 0;
    border-bottom: 1.5px solid rgba(255,255,255,0.08);
    transition: all var(--transition-medium);
}
.premium-nav.scrolled {
    background: rgba(31, 41, 55, 0.95);
    box-shadow: 0 4px 24px -4px rgba(220,20,60,0.12);
    padding: 10px 0;
}
.premium-navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.navbar-logo-wrapper {
    background: var(--primary-white);
    width: 80px;
    height: 80px;
    /* margin: 0 18px 0 0; */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-radius: 50%;
    box-shadow: 0 2px 8px -2px rgba(220,20,60,0.10);
    overflow: hidden;
    padding: 0;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.navbar-brand {
    font-family: var(--font-secondary);
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    font-size: 1rem !important;
    margin-left: 10px;
}
.navbar-nav {
    gap: 0.5rem;
}
.nav-link-premium {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 1rem;
    color: var(--primary-white);
    padding: 0.5rem 0.9rem;
    border-radius: 16px;
    transition: background var(--transition-medium), color var(--transition-medium), box-shadow var(--transition-medium);
    position: relative;
    z-index: 1;
    letter-spacing: 0.5px;
}
.nav-link-premium:hover, .nav-link-premium.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 2px 12px -2px rgba(220,20,60,0.10);
    text-shadow: 0 1px 4px rgba(220,20,60,0.10);
}
.btn-navbar {
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1rem;
    background: var(--gradient-primary);
    color: var(--primary-white);
    border: none;
    box-shadow: 0 4px 16px -4px rgba(220,20,60,0.15);
    transition: background var(--transition-medium), box-shadow var(--transition-medium), transform var(--transition-medium);
    letter-spacing: 0.5px;
    padding: 0.5rem 1.2rem;
}
.btn-navbar:hover {
    background: var(--gradient-secondary);
    color: #fff;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 32px -8px rgba(220,20,60,0.18);
}
.navbar-toggler {
    background: var(--primary-white);
    border-radius: 24px;
    box-shadow: 0 2px 8px -2px rgba(220,20,60,0.10);
    border: none;
    padding: 6px 12px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-family: var(--font-secondary);
    font-weight: 800;
    font-size: 1rem;
    color: var(--primary-white) !important;
}

.navbar-brand .logo {
    height: 50px;
    width: auto;
    margin-top: 15px;
    margin-left: 7px;
    align-items: center;
}

.navbar-brand .brand-text {
    background: #fff;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.brand-text {
    font-size: 2rem !important;
}

.navbar-nav .nav-link {
    color: var(--primary-white) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: all var(--transition-medium);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-red-light) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--gradient-primary);
    transition: all var(--transition-medium);
    transform: translateX(-50%);
}

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

/* Hero Section */
.hero-section {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    overflow: hidden;
    padding-top: 120px; /* Account for fixed navbar */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="rgba(255,255,255,0.1)"/><stop offset="100%" stop-color="rgba(255,255,255,0)"/></radialGradient></defs><circle cx="200" cy="200" r="2" fill="url(%23a)"/><circle cx="600" cy="100" r="2" fill="url(%23a)"/><circle cx="800" cy="300" r="2" fill="url(%23a)"/><circle cx="400" cy="500" r="2" fill="url(%23a)"/><circle cx="100" cy="700" r="2" fill="url(%23a)"/><circle cx="900" cy="600" r="2" fill="url(%23a)"/></svg>') repeat;
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.fiber-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 45%, rgba(255, 255, 255, 0.1) 50%, transparent 55%);
    animation: fiber-flow 8s linear infinite;
}

.digital-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(220, 20, 60, 0.4), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(220, 20, 60, 0.3), transparent);
    background-repeat: repeat;
    background-size: 150px 100px;
    animation: particle-float 15s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--primary-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
    color: var(--primary-red-light);
    margin-right: 8px;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.4);
    color: var(--primary-white);
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 1.5rem);
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0.95;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    color: var(--primary-white);
}

.hero-cta {
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-red-light);
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    z-index: 2;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.network-animation {
    position: relative;
    width: 400px;
    height: 400px;
}

.network-nodes {
    position: relative;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 3px solid var(--primary-white);
    box-shadow: var(--shadow-premium);
    animation: pulse 2s ease-in-out infinite;
}

.node::before {
    content: '';
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    display: block;
    position: static;
    margin: 0 auto;
        object-fit: contain;
        display: block;
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.node-2 { top: 50%; right: 0; transform: translateY(-50%); animation-delay: 0.5s; }
.node-3 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 1s; }
.node-4 { top: 50%; left: 0; transform: translateY(-50%); animation-delay: 1.5s; }

.connection {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    height: 2px;
    transform-origin: left center;
    animation: connection-flow 3s ease-in-out infinite;
}

.connection-1 {
    top: 15%;
    left: 60%;
    width: 120px;
    transform: rotate(45deg);
    animation-delay: 0s;
}

.connection-2 {
    top: 50%;
    left: 15%;
    width: 140px;
    transform: rotate(-45deg) translateY(-50%);
    animation-delay: 1s;
}

.connection-3 {
    bottom: 15%;
    left: 60%;
    width: 120px;
    transform: rotate(-45deg);
    animation-delay: 2s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-white);
    border-radius: 15px;
    position: relative;
    opacity: 0.7;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-white);
    border-radius: 50%;
    animation: scroll-bounce 2s infinite;
}

/* About Section */

.about-section {
    background: var(--light-gray);
    position: relative;
    padding-top: 60px;
    padding-bottom: 60px;
}

.about-content {
    position: relative;
    z-index: 2;
    padding-right: 0;
    background: var(--primary-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    padding: 2.5rem 2rem;
    min-height: 100%;
}

.about-features {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: var(--primary-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    padding: 1.2rem 1.5rem;
    border-left: 4px solid var(--primary-red);
    transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.feature-item:hover {
    box-shadow: var(--shadow-premium);
    transform: translateY(-4px) scale(1.02);
    border-left-color: var(--primary-red-dark);
}
.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: var(--primary-white);
    font-size: 1.6rem;
    box-shadow: var(--shadow-light);
    flex-shrink: 0;
}
.feature-item h5 {
    margin-bottom: 0.4rem;
    color: var(--dark-gray);
    font-weight: 700;
    font-size: 1.1rem;
}
.feature-item p {
    margin: 0;
    color: var(--secondary-gray);
    line-height: 1.6;
    font-size: 0.98rem;
}

/* About Visual Container */
.about-visual-container {
    position: relative;
    z-index: 2;
    padding-right: 200px; /* Space for mission card */
}

.about-main-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    margin-bottom: 2rem;
}

.about-main-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: 2rem;
    color: var(--primary-white);
}

.overlay-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.overlay-stats .stat {
    text-align: center;
}

.overlay-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-red-light);
    font-family: var(--font-secondary);
}

.overlay-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Mission Card */
.mission-card {
    background: var(--primary-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px -8px rgba(220,20,60,0.12);
    padding: 2.5rem 2rem;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(220, 20, 60, 0.08);
    margin-left: auto;
    margin-right: auto;
}
.mission-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    box-shadow: var(--shadow-medium);
    color: var(--primary-white);
    font-size: 1.5rem;
}
.mission-card h4 {
    color: var(--primary-red);
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 1.35rem;
    font-family: var(--font-secondary);
}
.mission-card p {
    margin: 0;
    color: var(--secondary-gray);
    line-height: 1.7;
    font-size: 1.05rem;
    text-align: center;
}

/* Services Section */
.services-section {
    padding: var(--section-padding);
    background: var(--primary-white);
}

.service-card {
    background: var(--primary-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    height: 100%;
    border: 1px solid rgba(220, 20, 60, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-premium);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    font-size: 2rem;
    box-shadow: var(--shadow-premium);
}

.service-card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--secondary-gray);
    margin-bottom: 2rem;
}

.service-list {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.service-list li {
    padding: 0.5rem 0;
    color: var(--secondary-gray);
    border-bottom: 1px solid rgba(220, 20, 60, 0.1);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list i {
    color: var(--primary-red);
    margin-right: 0.5rem;
}

/* Corporate Section */
.corporate-section {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.corporate-content {
    padding-right: 2rem;
}

.corporate-features {
    margin-top: 2rem;
}

.feature-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--primary-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
}

.feature-row:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    font-size: 1.5rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.feature-content h5 {
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

.feature-content p {
    margin: 0;
    color: var(--secondary-gray);
}

.corporate-packages {
    display: flex;
    justify-content: center;
}

.package-card {
    background: var(--primary-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-medium);
    border: 2px solid var(--primary-red);
    position: relative;
    overflow: hidden;
    max-width: 400px;
    width: 100%;
}

.package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: 1;
}

.package-header {
    position: relative;
    z-index: 2;
    margin-bottom: 2rem;
}

.package-header h4 {
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.package-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.currency {
    font-size: 1rem;
    color: var(--secondary-gray);
}

.amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-red);
    font-family: var(--font-secondary);
}

.period {
    font-size: 1rem;
    color: var(--secondary-gray);
}

.package-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.package-features li {
    padding: 0.75rem 0;
    color: var(--secondary-gray);
    border-bottom: 1px solid rgba(220, 20, 60, 0.1);
}

.package-features li:last-child {
    border-bottom: none;
}

.package-features i {
    color: var(--primary-red);
    margin-right: 0.5rem;
}

/* Why Choose Section */
.why-choose-section {
    padding: var(--section-padding);
    background: var(--primary-white);
}

.advantage-card {
    background: var(--primary-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    height: 100%;
    border: 1px solid rgba(220, 20, 60, 0.1);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-medium);
    z-index: 1;
}

.advantage-card:hover::before {
    opacity: 0.05;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-premium);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    font-size: 2rem;
    box-shadow: var(--shadow-premium);
    position: relative;
    z-index: 2;
}

.advantage-card h4 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.advantage-card p {
    color: var(--secondary-gray);
    margin: 0;
    position: relative;
    z-index: 2;
}

/* Contact Section */
.contact-section {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.contact-form-wrapper {
    background: var(--primary-white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-medium);
}

.contact-form .form-floating {
    margin-bottom: 1rem;
}

.contact-form .form-control,
.contact-form .form-select {
    border: 2px solid rgba(220, 20, 60, 0.1);
    border-radius: var(--radius-md);
    padding: 1rem;
    font-size: 1rem;
    transition: all var(--transition-medium);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 0.2rem rgba(220, 20, 60, 0.25);
}

.contact-form label {
    color: var(--secondary-gray);
    font-weight: 500;
}

.contact-info-card {
    background: var(--primary-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    height: 100%;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    font-size: 1.5rem;
}

.contact-info-card h5 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.contact-info-card p {
    color: var(--secondary-gray);
    margin: 0;
}

/* Footer */
.footer-section {
    background: var(--gradient-dark);
    color: var(--primary-white);
    padding: 3rem 0 1rem;
}

.footer-brand {
    margin-bottom: 2rem;
}

.footer-brand img {
    height: 50px;
    margin-bottom: 1rem;
}

.footer-brand h5 {
    color: var(--primary-white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.pta-badge {
    display: inline-flex;
    align-items: center;
    background: var(--gradient-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pta-badge i {
    margin-right: 8px;
}

.footer-section h6 {
    color: var(--primary-white);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

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

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

.footer-links a:hover {
    color: var(--primary-red-light);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-contact i {
    color: var(--primary-red-light);
    margin-right: 0.5rem;
    width: 20px;
}

.social-links {
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-white);
    border-radius: 50%;
    margin-right: 10px;
    transition: all var(--transition-medium);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0 1rem;
}

.footer-copyright,
.footer-legal {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-size: 0.9rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin: 0 5px;
}

.footer-legal a:hover {
    color: var(--primary-red-light);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--primary-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: var(--shadow-premium);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--gradient-secondary);
    transform: translateY(-3px);
}

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

@keyframes fiber-flow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: var(--shadow-premium); }
    50% { transform: scale(1.1); box-shadow: 0 0 30px rgba(220, 20, 60, 0.6); }
}

@keyframes connection-flow {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

@keyframes scroll-bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .about-content {
        padding-right: 1rem;
    }
    
    .corporate-content {
        padding-right: 1rem;
    }
    
    .about-visual-container {
        padding-right: 150px;
    }
    
    .mission-card {
        width: 320px;
        right: -40px;
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero-section {
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 2rem;
        margin-top: 2rem;
    }
    
    .about-content,
    .corporate-content {
        padding-right: 0;
        margin-bottom: 3rem;
        min-height: auto;
    }
    
    .about-visual-container {
        padding-right: 0;
    }
    
    .mission-card {
        position: static;
        margin-top: 2rem;
        width: 100%;
        transform: none;
        min-height: auto;
        padding: 2rem;
    }
    
    .mission-card h4 {
        font-size: 1.5rem;
    }
    
    .mission-card p {
        font-size: 1rem;
    }
    
    .about-main-image img {
        height: 300px;
    }
    
    .about-card {
        position: static;
        margin-top: 2rem;
        max-width: 100%;
    }
    
    .hero-visual {
        margin-top: 3rem;
        height: 300px;
    }
    
    .network-animation {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 50px 0;
    }
    
    .btn {
        padding: 12px 24px;
    }
    
    .btn-lg {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-item {
        flex: 1;
        min-width: 0;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .service-card,
    .advantage-card {
        margin-bottom: 2rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .feature-row {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .navbar-nav {
        text-align: center;
        padding-top: 1rem;
    }
    
    .navbar-nav .nav-link {
        margin: 5px 0;
    }
}

@media (max-width: 576px) {
    :root {
        --section-padding: 40px 0;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 8px 16px;
    }
    
    .section-badge {
        font-size: 0.8rem;
        padding: 6px 16px;
    }
    
    .hero-description,
    .section-description {
        font-size: 1rem;
    }
    
    .service-card,
    .advantage-card,
    .contact-info-card {
        padding: 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    .package-card {
        padding: 2rem;
    }
    
    .feature-item,
    .feature-row {
        padding: 1rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .scroll-indicator {
        bottom: 20px;
    }
}