/**
 * deepnudetelegramUS.site - Styles
 * American-themed design with Telegram-inspired elements
 */

:root {
    /* Main theme colors - American and Telegram inspired */
    --primary-color: #0088cc; /* Telegram blue */
    --secondary-color: #0A3161; /* American navy blue */
    --accent-color: #B31942; /* American red */
    --text-color: #333333;
    --light-text: #FFFFFF;
    --background: #F5F5F5;
    --card-bg: #FFFFFF;
    --border-color: #EEEEEE;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border radius */
    --border-radius-sm: 5px;
    --border-radius-md: 10px;
    --border-radius-lg: 20px;
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: var(--background);
    line-height: 1.6;
}

.wrapper {
    overflow: hidden;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

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

img, svg {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    color: var(--secondary-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Button styles */
.button {
    display: inline-block;
    background: var(--primary-color);
    color: var(--light-text);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    font-family: var(--heading-font);
    font-size: 1rem;
    box-shadow: 0 4px 8px rgba(0, 136, 204, 0.3);
}

.button:hover {
    background: #006699;
    color: var(--light-text);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 136, 204, 0.4);
}

/* Header styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 0;
    background: var(--card-bg);
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow-color);
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

.nav__link {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-color);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav__link:hover::after {
    width: 100%;
}

.burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
}

.burger__line {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text-color);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.burger__line:nth-child(1) {
    top: 0;
}

.burger__line:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.burger__line:nth-child(3) {
    bottom: 0;
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: var(--card-bg);
    z-index: 2000;
    padding: var(--spacing-xl) var(--spacing-md);
    transition: right 0.4s ease;
    box-shadow: -5px 0 15px var(--shadow-color);
}

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

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-menu a {
    font-size: 1.2rem;
    font-weight: 600;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.no-scroll {
    overflow: hidden;
}

/* Hero section */
.hero {
    padding: calc(var(--spacing-xl) * 1.5) 0 var(--spacing-xl);
    background: linear-gradient(135deg, #F5F5F5 0%, #E5F5FF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    opacity: 0.05;
    border-radius: 50%;
    transform: translate(100px, -100px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    opacity: 0.05;
    border-radius: 50%;
    transform: translate(-50px, 50px);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero__title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.hero__text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    max-width: 90%;
}

/* Features section */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--card-bg);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: var(--background);
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.feature-card__icon {
    margin-bottom: var(--spacing-sm);
}

.feature-card__title {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

/* How To Use section */
.how-to-use {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #F0F8FF 0%, #F5F5F5 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.step-card {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: var(--card-bg);
    position: relative;
    box-shadow: 0 5px 15px var(--shadow-color);
    text-align: center;
}

.step-card__number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--light-text);
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
}

.step-card__title {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Testimonials section */
.testimonials {
    padding: var(--spacing-xl) 0;
    background: var(--card-bg);
    text-align: center;
}

.testimonials__slider {
    position: relative;
    margin-bottom: var(--spacing-md);
    height: 200px;
}

.testimonial {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.testimonial.active {
    opacity: 1;
    visibility: visible;
}

.testimonial__content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: var(--background);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.testimonial__quote {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial__author {
    font-weight: 700;
    color: var(--primary-color);
}

.testimonials__dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: var(--spacing-md);
}

.testimonials__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: background 0.3s ease;
}

.testimonials__dot.active {
    background: var(--primary-color);
}

/* FAQ section */
.faq {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #F0F8FF 0%, #F5F5F5 100%);
}

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

.accordion__item {
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    background: var(--card-bg);
    box-shadow: 0 3px 10px var(--shadow-color);
    overflow: hidden;
}

.accordion__header {
    padding: var(--spacing-md);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--secondary-color);
    cursor: pointer;
    position: relative;
}

.accordion__header::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.accordion__item.active .accordion__header::after {
    transform: translateY(-50%) rotate(45deg);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 var(--spacing-md);
}

.accordion__item.active .accordion__content {
    max-height: 200px;
    padding-bottom: var(--spacing-md);
}

/* Final CTA section */
.final-cta {
    padding: var(--spacing-xl) 0;
    background: var(--primary-color);
    color: var(--light-text);
    text-align: center;
}

.final-cta__title {
    color: var(--light-text);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.final-cta__text {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

.final-cta__button {
    background: var(--light-text);
    color: var(--primary-color);
    font-size: 1.2rem;
    padding: 15px 40px;
    border-radius: var(--border-radius-md);
}

.final-cta__button:hover {
    background: var(--secondary-color);
    color: var(--light-text);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--secondary-color);
    color: var(--light-text);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.footer__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.footer__title {
    color: var(--light-text);
    margin-bottom: var(--spacing-xs);
}

.footer__description {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer__heading {
    color: var(--light-text);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer__menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__link {
    color: var(--light-text);
    opacity: 0.8;
    transition: opacity 0.3s ease;
    font-size: 0.9rem;
}

.footer__link:hover {
    opacity: 1;
    color: var(--light-text);
    text-decoration: underline;
}

.footer__copyright {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

/* Media queries */
@media (max-width: 992px) {
    .hero__container {
        grid-template-columns: 1fr;
    }
    
    .hero__visual {
        grid-row: 1;
        margin-bottom: var(--spacing-md);
    }
    
    .hero__content {
        text-align: center;
    }
    
    .hero__text {
        margin: 0 auto var(--spacing-md);
        max-width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer__branding {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .burger {
        display: block;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.3rem;
    }
    
    .footer__links {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 576px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}