/*
 * SMSPro Solutions - Main Stylesheet
 * A professional, responsive CSS file with blue-teal theme
 * Optimized for GitHub Pages deployment
 */

/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    /* Color Palette */
    --color-primary: #0ea5e9;
    --color-primary-dark: #0284c7;
    --color-secondary: #06b6d4;
    --color-secondary-dark: #0891b2;
    --color-dark: #0f172a;
    --color-dark-alt: #1e293b;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    --color-gray: #64748b;
    --color-gray-light: #cbd5e1;
    --color-success: #10b981;
    --color-error: #ef4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9, #06b6d4);
    --gradient-dark: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.98));

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Montserrat', 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

p {
    margin-bottom: var(--spacing-md);
}

/* ===========================
   Container & Layout
   =========================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.5);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 2px solid var(--color-white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 1);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.logo img {
    width: 40px;
    height: 40px;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-white);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    background-image: url('../assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    z-index: 1;
}

/* Animated Particle Background */
.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    z-index: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-xl);
    font-weight: 800;
}

.gradient-text {
    background: linear-gradient(90deg, #0ea5e9, #06b6d4, #0ea5e9, #06b6d4);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(20px);
    opacity: 0.5;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.typewriter {
    display: inline-block;
    border-right: 3px solid var(--color-primary);
    animation: blink 0.7s steps(1) infinite;
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-4xl);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-4xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: statRotate 10s linear infinite;
}

@keyframes statRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-item:hover {
    transform: translateY(-5px) scale(1.05);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 10px 40px rgba(14, 165, 233, 0.3);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
    position: relative;
    z-index: 1;
    text-shadow: 0 0 30px rgba(14, 165, 233, 0.5);
    animation: numberGlow 2s ease-in-out infinite;
}

@keyframes numberGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-gray-light);
    margin-top: var(--spacing-xs);
    position: relative;
    z-index: 1;
    font-weight: 500;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator a {
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    animation: bounce 2s infinite;
}

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

/* ===========================
   Section Styles
   =========================== */
section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.03), transparent 70%);
    pointer-events: none;
    animation: sectionFloat 15s ease-in-out infinite;
}

section:nth-child(even)::before {
    top: -200px;
    right: -200px;
}

section:nth-child(odd)::before {
    bottom: -200px;
    left: -200px;
    animation-delay: -7.5s;
}

@keyframes sectionFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 50px) scale(1.1); }
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-4xl);
    position: relative;
}

.section-title {
    font-size: var(--font-size-4xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: titleUnderline 2s ease-in-out infinite;
}

@keyframes titleUnderline {
    0%, 100% { width: 80px; }
    50% { width: 120px; }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    line-height: 1.8;
}

/* ===========================
   Features Section
   =========================== */
.features {
    background: var(--color-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.feature-card:hover {
    transform: translateY(-15px) rotateX(2deg);
    box-shadow: 0 20px 60px rgba(14, 165, 233, 0.3),
                0 0 40px rgba(6, 182, 212, 0.2);
}

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

.feature-card:hover::after {
    width: 400px;
    height: 400px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: var(--border-radius);
    position: relative;
    transition: all 0.4s ease;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--border-radius);
    background: var(--gradient-primary);
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotateY(5deg);
    animation: iconPulse 2s ease-in-out infinite;
}

.feature-card:hover .feature-icon::before {
    opacity: 0.6;
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1.1) rotateY(5deg); }
    50% { transform: scale(1.15) rotateY(-5deg); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; filter: blur(10px); }
    50% { opacity: 0.8; filter: blur(15px); }
}

.feature-icon img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(14, 165, 233, 0.3));
    transition: filter 0.4s ease;
}

.feature-card:hover .feature-icon img {
    filter: drop-shadow(0 8px 16px rgba(14, 165, 233, 0.5));
}

.feature-title {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.feature-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-details {
    max-height: 200px;
}

.feature-details ul {
    padding: 0;
}

.feature-details li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.feature-details i {
    color: var(--color-success);
    font-size: var(--font-size-xs);
}

/* ===========================
   Pricing Section
   =========================== */
.pricing {
    background: var(--color-white);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.toggle-label {
    font-weight: 600;
    color: var(--color-dark);
}

.discount-badge {
    display: inline-block;
    background: var(--color-success);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-xs);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-gray-light);
    transition: var(--transition);
    border-radius: 26px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-white);
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background: var(--gradient-primary);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(14, 165, 233, 0.1), transparent 30%);
    animation: rotateBorder 4s linear infinite;
    opacity: 0;
    transition: opacity 0.4s ease;
}

@keyframes rotateBorder {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(14, 165, 233, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.pricing-card.featured::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--border-radius-lg);
    background: var(--gradient-primary);
    z-index: -1;
    filter: blur(20px);
    opacity: 0.5;
    animation: glowPulse 3s ease-in-out infinite;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
    animation: badgeBounce 2s ease-in-out infinite;
}

@keyframes badgeBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(14, 165, 233, 0.25);
    border-color: var(--color-primary);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
    box-shadow: 0 30px 70px rgba(14, 165, 233, 0.4);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.plan-name {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.plan-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.currency {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray);
    margin-top: 5px;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1;
}

.period {
    font-size: var(--font-size-base);
    color: var(--color-gray);
    align-self: flex-end;
    margin-bottom: 8px;
}

.plan-description {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.plan-features {
    margin: var(--spacing-xl) 0;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-dark);
    font-size: var(--font-size-sm);
}

.plan-features i {
    font-size: var(--font-size-base);
}

.plan-features .fa-check {
    color: var(--color-success);
}

.plan-features .fa-times {
    color: var(--color-gray-light);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

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

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

.about-content h2 {
    margin-bottom: var(--spacing-xl);
}

.about-text {
    color: var(--color-gray);
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.trust-signals {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 600;
    color: var(--color-dark);
}

.trust-item i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
}

/* Testimonials */
.about-testimonials {
    background: var(--color-light);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
}

.testimonials-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-dark);
}

.testimonials-carousel {
    position: relative;
    min-height: 300px;
}

.testimonial-item {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.testimonial-item.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

.testimonial-content {
    margin-bottom: var(--spacing-xl);
}

.quote-icon {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-gray-light);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--color-primary);
    width: 30px;
    border-radius: 5px;
}

/* Partners Section */
.partners-section {
    margin-top: var(--spacing-4xl);
    text-align: center;
}

.partners-title {
    font-size: var(--font-size-xl);
    color: var(--color-gray);
    margin-bottom: var(--spacing-2xl);
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.partner-logo {
    opacity: 0.6;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partner-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.partner-logo img {
    height: 60px;
    width: auto;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-4xl);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.contact-form {
    position: relative;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-step-title {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--color-error);
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 20px;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.form-btn {
    flex: 1;
}

/* Form Progress */
.form-progress {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-gray-light);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.4;
    transition: var(--transition);
}

.progress-step.active {
    opacity: 1;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-dark);
    transition: var(--transition);
}

.progress-step.active .step-circle {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.step-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray);
}

.progress-step.active .step-label {
    color: var(--color-primary);
}

/* Form Success */
.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-3xl);
}

.form-success.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.form-success i {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    font-size: var(--font-size-3xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: var(--color-gray);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contact-info-title {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
}

.contact-info-text {
    color: var(--color-gray);
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

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

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--border-radius);
}

.contact-detail-item i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-top: 4px;
}

.detail-label {
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-detail-item a {
    color: var(--color-primary);
}

.contact-detail-item a:hover {
    text-decoration: underline;
}

/* Social Links */
.social-links {
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius);
}

.social-title {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icons a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: var(--transition);
}

.social-icons a:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

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

.footer-text {
    color: var(--color-gray-light);
    line-height: 1.8;
}

.footer-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-light);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-gray-light);
}

.back-to-top {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===========================
   Modal
   =========================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-3xl);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-light);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--color-error);
    color: var(--color-white);
    transform: rotate(90deg);
}

.modal-title {
    font-size: var(--font-size-3xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xl);
}

.modal-body {
    color: var(--color-gray);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.modal-description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.modal-cta {
    width: 100%;
    justify-content: center;
}

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

/* Large Tablets and Small Desktops (1024px and below) */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .hero-stats {
        gap: var(--spacing-2xl);
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

/* Tablets (768px and below) */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --spacing-4xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Navigation */
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--spacing-2xl);
        transition: var(--transition);
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .nav-links.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero-title {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    /* Modal */
    .modal-content {
        padding: var(--spacing-xl);
    }

    .modal-title {
        font-size: var(--font-size-2xl);
    }
}

/* Mobile Phones (640px and below) */
@media (max-width: 640px) {
    :root {
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
        --font-size-3xl: 1.25rem;
        --spacing-3xl: 2rem;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .stat-number {
        font-size: var(--font-size-3xl);
    }

    .contact-form-wrapper {
        padding: var(--spacing-xl);
    }

    .form-buttons {
        flex-direction: column;
    }

    .form-progress {
        gap: var(--spacing-xs);
    }

    .step-circle {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-sm);
    }

    .step-label {
        font-size: 0.65rem;
    }

    .partners-grid {
        gap: var(--spacing-lg);
    }

    .partner-logo img {
        height: 40px;
    }
}

/* ===========================
   Utility Classes
   =========================== */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    .navbar,
    .hamburger,
    .scroll-indicator,
    .back-to-top,
    .modal {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }

    section {
        page-break-inside: avoid;
    }
}

/* ===========================
   Accessibility Enhancements
   =========================== */

/* Focus Styles */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0066cc;
        --color-secondary: #0088cc;
    }

    .btn-primary,
    .btn-outline:hover {
        background: #0066cc;
    }
}