/* ===================================
   ETAXBOOK SOLUTIONS - COMMON STYLES
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #253679;
    --secondary-color: #f2675d;

    --primary: #2f3e7a;
    --primary-dark: #253364;
    --accent: #ea6254;
    --accent-soft: #f8d4d0;

    --dark-color: #212529;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --text-gray: #6c757d;
    --border-color: #dee2e6;
    --border-light: #e5e7eb;

    /* Fonts */
    --ff-display: 'Poppins', sans-serif;
    --ff-body: 'Roboto', sans-serif;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 15px;

    /* Animation */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.2s ease;

    /* Spacing */
    --section-padding: 80px 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--ff-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--dark-color);
    margin-bottom: 1rem;
}


h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent);
}


/* Section Styles */
/* section {
    padding: var(--section-padding);
    position: relative;
} */

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-family: var(--ff-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: inline-block;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* Buttons */
.btn {
    font-family: var(--ff-display);
    font-weight: 500;
    padding: 12px 32px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

.btn-accent {
    background-color: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

.btn-accent:hover {
    background-color: #d85448;
    border-color: #d85448;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-light {
    background-color: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

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

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

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

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
}

.btn i {
    transition: var(--transition-base);
}

.btn:hover i {
    transform: translateX(4px);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: 1rem 0;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    background-color: var(--white);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
    background-color: var(--white) !important;
}

.brand-logo {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-nav {
    padding: 8px 24px;
    font-size: 0.9rem;
}

/* Cards */
.card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    background-color: var(--white);
    overflow: hidden;
}

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

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    /* margin-top: 80px; */
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-brand {
    font-family: var(--ff-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.footer-statement {
    font-family: var(--ff-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background-color: var(--accent);
    transform: translateY(-4px);
}

.footer-title {
    font-family: var(--ff-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--text-gray);
    font-size: 0.9rem;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.875rem;
    margin: 0;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 80px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-base);
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    background-color: #1ebe57;
    color: var(--white);
    transform: scale(1.1);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Scroll Reveal Animation */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: var(--ease-out);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-40px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(40px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* Accordion */
.accordion-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-button {
    font-family: var(--ff-display);
    font-weight: 500;
    font-size: 1.125rem;
    color: var(--dark-color);
    background-color: var(--white);
    padding: 1.25rem 1.5rem;
    border: none;
}

.accordion-button:not(.collapsed) {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23253679'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Alert */
.alert {
    border-radius: var(--radius-md);
    border: none;
    padding: 1.25rem 1.5rem;
}

.alert-info {
    background-color: #e7f3ff;
    color: #004085;
}

/* Responsive Typography */
@media (max-width: 991px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-description {
        font-size: 1rem;
    }

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

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 80px;
        right: 20px;
    }
}

/* 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;
    }

    .whatsapp-float {
        animation: none;
    }
}

/* Focus Styles - Accessibility */
*:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

/* Skip to Main Content - Accessibility */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-main:focus {
    top: 0;
}

/* Final CTA Section */
.final-cta-section {
    padding: 100px 0;
    background-color: var(--primary);
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.final-cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.cta-buttons {
    position: relative;
    z-index: 1;
}

.cta-services {
    font-family: var(--ff-display);
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 1.5rem;
}


/* Why Section */
.why-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.why-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    height: 100%;
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    border: 2px solid transparent;
}

.why-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.why-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(47, 62, 122, 0.05);
    line-height: 1;
}

.why-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(234, 98, 84, 0.1);
    color: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition-base);
}

.why-card:hover .why-icon {
    background-color: var(--accent);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.why-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.why-description {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin: 0;
}


.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: var(--primary-gradient);
    border: none;
    padding: 1.5rem 2rem;
}

.modal-title {
    font-weight: 700;
    font-size: 1.3rem;
}

.modal-body {
    padding: 2.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 54, 121, 0.1);
}

.form-control.is-valid,
.form-select.is-valid {
    border-color: #25D366;
    background-image: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #EA4335;
    background-image: none;
}

/* Enhanced Submit Buttons Container */
.submit-buttons-container {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.submit-buttons-container .btn {
    flex: 1;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
    color: white;
}

.btn-email {
    background: linear-gradient(135deg, #EA4335 0%, #C5221F 100%);
    color: white;
}

.btn-email:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(234, 67, 53, 0.4);
    color: white;
}

/* Loading State */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .modal-body {
        padding: 1.5rem;
    }

    .submit-buttons-container {
        flex-direction: column;
    }
}