/* STRICT CLASS-BASED CSS ARCHITECTURE */

:root {
    /* Colors */
    --clr-primary-red: #E53E3E;
    --clr-primary-red-hover: #C53030;
    --clr-secondary-amber: #FFB347;

    --clr-bg-light: #FFF9F5;
    --clr-white: #FFFFFF;

    --clr-text-gray: #4A5568;
    --clr-text-gray-dark: #2D3748;

    --clr-border-light: #E2E8F0;
    --clr-success-green: #48BB78;

    --clr-overlay: rgba(45, 55, 72, 0.85);

    /* Fonts */
    --font-main: 'Inter', sans-serif;

    /* Spacing */
    --sp-xs: 0.5rem;
    --sp-sm: 1rem;
    --sp-md: 2rem;
    --sp-lg: 3rem;
    --sp-xl: 5rem;

    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.4s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.page-html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

.page-body {
    font-family: var(--font-main);
    color: var(--clr-text-gray);
    background-color: var(--clr-white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

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

.page-list {
    list-style: none !important;
    margin: 0;
    padding: 0;
}

.page-link {
    text-decoration: none !important;
    color: inherit;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.page-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
    padding: 0;
    margin: 0;
    outline: none;
}

/* Typography Classes */
.hero-title,
.section-title,
.feature-title,
.modal-title,
.step-title,
.about-signature {
    color: var(--clr-text-gray-dark);
    font-weight: 700;
    line-height: 1.2;
}

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

.text-amber {
    color: var(--clr-secondary-amber);
}

.text-green {
    color: var(--clr-success-green);
}

.text-gray-dark {
    color: var(--clr-text-gray-dark);
}

.font-bold {
    font-weight: 700;
}

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

/* Backgrounds */
.bg-light {
    background-color: var(--clr-bg-light);
}

.bg-white {
    background-color: var(--clr-white);
}

/* Layout Utilities */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    max-width: 1200px;
}

.max-w-lg {
    max-width: 800px;
    margin: 0 auto;
}

.section-padding {
    padding: var(--sp-xl) 0;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mt-8 {
    margin-top: 2rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.me-2 {
    margin-right: 0.5rem;
}

.w-full {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all var(--transition-fast);
    text-align: center;
    border: 2px solid transparent;
}

.btn-red {
    background-color: var(--clr-primary-red);
    color: var(--clr-white);
    box-shadow: 0 4px 15px rgba(229, 62, 62, 0.3);
}

.btn-red:hover {
    background-color: var(--clr-primary-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 62, 62, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-text-gray-dark);
    color: var(--clr-text-gray-dark);
}

.btn-outline:hover {
    background-color: var(--clr-text-gray-dark);
    color: var(--clr-white);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.15rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.hover-zoom {
    transition: transform 0.5s ease;
}

.hover-zoom:hover {
    transform: scale(1.03);
}

/* Loader */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.loader-wrapper.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-text {
    font-family: var(--font-main);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-primary-red);
    letter-spacing: 1px;
    animation: fade-pulse 1.5s ease-in-out infinite;
}

@keyframes fade-pulse {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

/* Logo */
.logo {
    font-family: var(--font-main);
    font-size: 1.6rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
}

.logo-photo {
    color: var(--clr-secondary-amber);
    display: flex;
    align-items: center;
}

.logo-voltaiks {
    color: var(--clr-text-gray);
}

.logo-icon {
    font-size: 1.1rem;
    margin: 0 2px;
}

/* Ad Bar */
.ad-bar {
    background-color: var(--clr-border-light);
    color: var(--clr-text-gray);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    width: 100%;
}

/* Header */
.header {
    position: absolute;
    top: 36px;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    z-index: 1000;
    transition: all var(--transition-medium);
    background-color: transparent;
}

.header.scrolled {
    position: fixed;
    top: 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    padding: 0.75rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    max-width: 1400px;
}

.logo-link {
    display: inline-block;
}

.desktop-nav {
    display: none;
}

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

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--clr-text-gray-dark);
    position: relative;
    padding-bottom: 0.25rem;
}

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

.cta-desktop {
    display: none;
}

.menu-toggle {
    font-size: 1.5rem;
    color: var(--clr-text-gray-dark);
    display: flex;
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--clr-white);
    z-index: 2000;
    transition: right var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.mobile-menu-overlay.active {
    right: 0;
}

.mobile-menu-content {
    padding: 2rem 3rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.menu-close {
    align-self: flex-end;
    font-size: 2.2rem;
    color: var(--clr-text-gray-dark);
    margin-bottom: 2rem;
    margin-top: 1rem;
    margin-right: 1rem;
}

.mobile-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 3rem;
    font-family: var(--font-main);
    font-weight: 500;
}

.mobile-logo .logo-photo {
    color: #F6A851;
    /* Matching orange from screenshot */
    font-size: 2.2rem;
    letter-spacing: 1px;
}

.mobile-logo .logo-voltaiks {
    color: #3b5976;
    /* Matching dark slate-blue from screenshot */
    font-size: 1.95rem;
    letter-spacing: 0.5px;
    margin-top: -0.2rem;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: auto;
}

.mobile-nav-link {
    font-size: 1.3rem;
    font-weight: 500;
    color: #1a365d;
    /* Darker navy/blue for contrast as per screenshot */
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: var(--sp-xl);
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 179, 71, 0.2);
    color: #D97706;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    width: fit-content;
}

.hero-title {
    font-size: 2.25rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.hero-trust-badge {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--clr-text-gray);
    background-color: var(--clr-white);
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    border: 1px solid var(--clr-border-light);
    width: fit-content;
}

.divider {
    color: var(--clr-border-light);
    margin: 0 0.5rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background-color: var(--clr-white);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.hero-img {
    width: 100%;
}

/* Features */
.section-title {
    font-size: 2rem;
    margin-bottom: var(--sp-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--clr-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--clr-border-light);
    text-align: center;
    transition: transform var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: rgba(229, 62, 62, 0.1);
    color: var(--clr-primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Specs */
.specs-layout {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.specs-image-wrapper {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
}

.specs-intro {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.specs-table-card {
    background-color: var(--clr-white);
    border-radius: 12px;
    border: 1px solid var(--clr-border-light);
    padding: 1.5rem;
}

.specs-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--clr-border-light);
}

.specs-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.spec-label {
    color: var(--clr-text-gray);
}

.spec-value {
    color: var(--clr-text-gray-dark);
    font-weight: 500;
    text-align: right;
}

/* How To (Steps) */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--clr-bg-light);
    border-radius: 12px;
    position: relative;
    border: 1px solid var(--clr-border-light);
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--clr-secondary-amber);
    color: var(--clr-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1.5rem auto;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background-color: var(--clr-white);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--clr-border-light);
}

.stars {
    margin-bottom: 1rem;
}

.testimonial-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-text-gray-dark);
    margin-bottom: 1rem;
}

.testimonial-quote {
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--clr-text-gray-dark);
    margin: 0;
}

/* FAQ */
.faq-accordion {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--clr-white);
    border: 1px solid var(--clr-border-light);
    border-radius: 8px;
    overflow: hidden;
}

.faq-item.active {
    border-color: var(--clr-secondary-amber);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    font-weight: 600;
    color: var(--clr-text-gray-dark);
    text-align: left;
}

.faq-icon {
    color: var(--clr-secondary-amber);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-answer-text {
    padding: 0 1.5rem 1.5rem 1.5rem;
    margin: 0;
}

/* About Card */
.about-card {
    background-color: var(--clr-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-top: 2rem;
}

.about-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background-color: var(--clr-text-gray-dark);
    color: var(--clr-border-light);
    padding: var(--sp-xl) 0 2rem 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo-text {
    color: var(--clr-white);
}

.footer .logo-photo {
    color: var(--clr-secondary-amber);
}

.footer-tagline {
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-heading {
    color: var(--clr-white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: var(--clr-border-light) !important;
    font-size: 0.95rem;
}

.footer-link:hover {
    color: var(--clr-white) !important;
    text-decoration: underline !important;
}

.footer-disclaimer {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.footer-disclaimer-bold {
    color: var(--clr-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--clr-primary-red);
    color: var(--clr-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 1000;
}

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

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

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--clr-white);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.1);
    z-index: 4000;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
    border-top: 3px solid var(--clr-primary-red);
}

.cookie-popup.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.cookie-heading {
    font-size: 1.1rem;
    color: var(--clr-text-gray-dark);
    margin-bottom: 0.25rem;
}

.cookie-text {
    font-size: 0.9rem;
    text-align: center;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.cookie-btn {
    flex: 1;
    padding: 0.6rem 1rem;
}

/* Desktop Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-overlay);
    z-index: 3000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--clr-white);
    padding: 3rem;
    border-radius: 12px;
    max-width: 650px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition-fast);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.75rem;
    color: var(--clr-text-gray);
    transition: transform var(--transition-fast);
}

.modal-close:hover {
    transform: scale(1.1);
    color: var(--clr-primary-red);
}

.modal-title {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--clr-border-light);
}

.modal-heading {
    font-size: 1.25rem;
    margin: 2rem 0 0.75rem 0;
    color: var(--clr-text-gray-dark);
}

.modal-text {
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
}

.modal-bold {
    font-weight: 700;
    color: var(--clr-text-gray-dark);
}

/* MEDIA QUERIES */
@media screen and (min-width: 768px) {
    .container {
        padding: 0 30px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .specs-layout {
        flex-direction: row;
        align-items: center;
    }

    .specs-image-wrapper {
        flex: 1;
    }

    .specs-content {
        flex: 1;
    }

    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .hero-buttons {
        flex-direction: row;
    }

    .cookie-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .cookie-text {
        text-align: left;
    }

    .cookie-buttons {
        width: auto;
    }
}

@media screen and (min-width: 992px) {
    .section-title {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .desktop-nav {
        display: flex;
        flex: 1;
        justify-content: center;
    }

    .cta-desktop {
        display: inline-flex;
    }

    .menu-toggle {
        display: none;
    }

    .hero-container {
        flex-direction: row;
        align-items: center;
        padding-top: 5rem;
    }

    .hero-content {
        flex: 1;
        padding-right: 2rem;
    }

    .hero-image-wrapper {
        flex: 1;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media screen and (max-width: 767px) {
    .container {
        padding: 0 15px;
        width: 100%;
    }

    .page-html,
    .page-body {
        max-width: 100vw;
        overflow-x: hidden;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .specs-row {
        flex-direction: column;
        gap: 0.25rem;
    }

    .spec-value {
        text-align: left;
    }

    .modal-content {
        padding: 2.5rem 2rem;
        margin: 1rem;
        border-radius: 8px;
    }

    .modal-title {
        font-size: 1.75rem;
        padding-bottom: 1rem;
        margin-bottom: 1rem;
    }
}