/* ========================================
   ScholarSkill Edu Consult - Main Styles
   Brand Colors: Red (#DC2626), Black (#1F2937), Teal (#14B8A6)
   ======================================== */

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

:root {
    /* Brand Colors */
    --primary-red: #DC2626;
    --primary-red-dark: #B91C1C;
    --primary-red-light: #FEE2E2;
    --primary-black: #1F2937;
    --primary-teal: #14B8A6;
    --primary-teal-dark: #0D9488;
    --primary-teal-light: #CCFBF1;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.large-text {
    font-size: 1.25rem;
    line-height: 1.8;
}

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

.highlight {
    color: var(--primary-red);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-red);
    border: 2px solid var(--primary-red);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-black);
    border: 2px solid var(--gray-300);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-nav {
    padding: 0.625rem 1.5rem;
    font-size: 0.938rem;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-teal-light);
    color: var(--primary-teal-dark);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.badge-online {
    background: #10B981;
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    display: inline-block;
    margin-top: 0.25rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-black);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-black);
    transition: all var(--transition-base);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--gray-800) 50%, var(--primary-red-dark) 100%);
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(220, 38, 38, 0.2) 0%, transparent 50%);
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-xl);
    color: var(--gray-200);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-teal);
    display: block;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-300);
    margin-top: 0.5rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-200);
}

.trust-item i {
    font-size: 1.5rem;
    color: var(--primary-teal);
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* Value Proposition Section */
.value-prop {
    background: var(--gray-50);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.value-icon i {
    font-size: 2rem;
    color: var(--white);
}

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

.value-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.about-features {
    margin-top: var(--spacing-xl);
}

.feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary-teal);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--primary-black);
}

.feature-item p {
    color: var(--gray-600);
    margin: 0;
}

.about-stats-card {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat-row:last-child {
    margin-bottom: 0;
}

.stat-box {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-box h3 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1rem;
}

/* Services Section */
.services {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-2xl);
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-red);
}

.service-card.featured {
    border: 2px solid var(--primary-red);
    background: linear-gradient(to bottom, var(--white) 0%, var(--primary-red-light) 100%);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary-red);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-teal-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

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

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.service-features i {
    color: var(--primary-teal);
    font-size: 1rem;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--gray-800) 100%);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    text-align: center;
    color: var(--white);
}

.cta-box h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.cta-box p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-300);
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.featured {
    border: 3px solid var(--primary-red);
    background: linear-gradient(to bottom, var(--white) 0%, var(--primary-red-light) 100%);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

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

.pricing-header h3 {
    font-size: 1.875rem;
    color: var(--primary-black);
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--gray-600);
    margin: 0;
}

.pricing-price {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-md);
}

.pricing-price .currency {
    font-size: 1.5rem;
    color: var(--primary-red);
    font-weight: 700;
}

.pricing-price .amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-black);
    display: block;
    margin: 0.5rem 0;
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--gray-600);
    display: block;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.pricing-features i {
    color: var(--primary-teal);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.pricing-addons {
    margin: var(--spacing-2xl) 0;
}

.pricing-addons h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.addons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.addon-card {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
}

.addon-card:hover {
    border-color: var(--primary-teal);
    background: var(--primary-teal-light);
}

.addon-card i {
    font-size: 2.5rem;
    color: var(--primary-teal);
    margin-bottom: var(--spacing-sm);
}

.addon-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.addon-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.addon-price {
    display: inline-block;
    background: var(--primary-teal);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.guarantee-box {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-teal-dark) 100%);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    display: flex;
    gap: 2rem;
    align-items: center;
    margin: var(--spacing-2xl) 0;
    color: var(--white);
}

.guarantee-icon {
    flex-shrink: 0;
}

.guarantee-icon i {
    font-size: 4rem;
    color: var(--white);
}

.guarantee-content h3 {
    color: var(--white);
    font-size: 1.875rem;
    margin-bottom: var(--spacing-sm);
}

.guarantee-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
}

.payment-terms {
    margin: var(--spacing-2xl) 0;
}

.payment-terms h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.term-card {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.term-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.term-card i {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.term-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.term-card p {
    color: var(--gray-600);
    margin: 0;
}

/* Calculator Section */
.calculator {
    background: var(--gray-50);
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.calculator-input h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-black);
}

.calculator-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calc-option {
    position: relative;
}

.calc-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.calc-option label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.calc-option label:hover {
    border-color: var(--primary-teal);
    background: var(--primary-teal-light);
}

.calc-option input[type="radio"]:checked + label {
    border-color: var(--primary-red);
    background: var(--primary-red-light);
    box-shadow: var(--shadow-md);
}

.calc-option label i {
    font-size: 2rem;
    color: var(--primary-red);
}

.calc-option label span {
    display: block;
    font-weight: 600;
    color: var(--primary-black);
}

.calc-option label small {
    display: block;
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.calculator-results h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-black);
}

.result-card {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--gray-800) 100%);
    padding: 2rem;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.result-row:last-child {
    border-bottom: none;
}

.result-row.highlight {
    background: rgba(220, 38, 38, 0.2);
    padding: 1.5rem 1rem;
    margin: 0 -1rem;
    border-radius: var(--radius-md);
    border: none;
}

.result-row strong {
    font-size: 1.5rem;
    color: var(--primary-teal);
}

.result-row.highlight strong {
    font-size: 2rem;
    color: var(--white);
}

.savings-breakdown {
    margin-bottom: var(--spacing-lg);
}

.savings-breakdown h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-black);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-teal);
}

.activity-item i {
    font-size: 1.5rem;
    color: var(--primary-teal);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.activity-item span {
    color: var(--gray-700);
    line-height: 1.6;
}

.evidence-box {
    background: var(--primary-teal-light);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary-teal);
    margin-bottom: var(--spacing-lg);
}

.evidence-box h4 {
    font-size: 1.25rem;
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
}

.evidence-box ul {
    list-style: none;
}

.evidence-box li {
    padding: 0.5rem 0;
    color: var(--gray-700);
    line-height: 1.7;
}

.evidence-box li::before {
    content: '✓';
    color: var(--primary-teal);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Guarantee Section */
.guarantee {
    background: var(--white);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-2xl);
}

.guarantee-card {
    background: var(--gray-50);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.guarantee-card:hover {
    border-color: var(--primary-teal);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.guarantee-number {
    width: 60px;
    height: 60px;
    background: var(--primary-red);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.guarantee-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-black);
}

.guarantee-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

.process-section {
    margin: var(--spacing-2xl) 0;
    background: var(--gray-50);
    padding: 3rem;
    border-radius: var(--radius-2xl);
}

.process-section h3 {
    margin-bottom: var(--spacing-xl);
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.process-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    box-shadow: var(--shadow-lg);
}

.step-icon i {
    font-size: 2rem;
    color: var(--white);
}

.process-step h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.process-step p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.process-arrow {
    color: var(--primary-teal);
    font-size: 2rem;
    font-weight: bold;
}

.testimonials {
    margin-top: var(--spacing-2xl);
}

.testimonials h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.stars {
    color: #FFC107;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-card p {
    color: var(--gray-700);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.testimonial-author strong {
    display: block;
    color: var(--primary-black);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* FAQ Section */
.faq {
    background: var(--gray-50);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question h4 {
    font-size: 1.125rem;
    margin: 0;
    color: var(--primary-black);
}

.faq-question i {
    color: var(--primary-red);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-black);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.contact-method:hover {
    background: var(--white);
    border-color: var(--primary-teal);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.method-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.method-details h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--primary-black);
}

.method-details p {
    color: var(--gray-700);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.method-details span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.quick-response {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--primary-teal-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-teal);
}

.quick-response i {
    font-size: 2rem;
    color: var(--primary-teal);
    flex-shrink: 0;
}

.quick-response strong {
    display: block;
    color: var(--primary-black);
    margin-bottom: 0.25rem;
}

.quick-response p {
    color: var(--gray-700);
    margin: 0;
    line-height: 1.6;
}

.contact-form-container {
    background: var(--gray-50);
    padding: 2.5rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-black);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-note {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--primary-black);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.footer-column p {
    color: var(--gray-400);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

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

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--primary-teal);
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-400);
}

.contact-list i {
    color: var(--primary-teal);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-400);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Floating Elements */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    font-size: 2rem;
    color: var(--white);
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 998;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-red-dark);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content,
    .calculator-container,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .process-arrow {
        display: none;
    }
    
    .process-steps {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-xl);
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .value-grid,
    .services-grid,
    .pricing-grid,
    .guarantee-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .scroll-top {
        right: 20px;
        bottom: 90px;
    }
    
    .guarantee-box {
        flex-direction: column;
        text-align: center;
    }
    
    .stat-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
}