/* style.css */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --dark-bg: #0a0e1a;
    --light-bg: #f8f9fa;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --gray-text: #6c757d;
    --card-bg: #ffffff;
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background: #fff;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-bg);
}

.logo a {
    display: flex;
    align-items: center;
    transition: opacity 0.3s ease;
}

.logo a:hover {
    opacity: 0.8;
}

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo span {
    color: var(--primary-color);
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul li a {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-text);
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-link {
    background: transparent;
    color: var(--text-dark);
}

.btn-primary {
    background: var(--dark-bg);
    color: #fff;
}

.btn-primary:hover {
    background: #222;
}

.btn-outline {
    background: transparent;
    border: 1px solid #ddd;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: #fff;
    position: relative;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-tag {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 20px;
    display: block;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--dark-bg);
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero h2.device-label {
    position: absolute;
    font-size: 150px;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 0;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.btn-hero-primary {
    background: var(--dark-bg);
    color: #fff;
    padding: 14px 32px;
}

.btn-hero-secondary {
    background: transparent;
    border: 1px solid #ddd;
    padding: 14px 32px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-text);
    font-size: 14px;
}

.avatar-group {
    display: flex;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #fff;
    margin-left: -10px;
    background: #ccc;
}

.avatar:first-child {
    margin-left: 0;
}

.hero-image {
    flex: 1.2;
    position: relative;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
}

.floating-badge {
    position: absolute;
    top: 10%;
    left: -10%;
    background: #fff;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

/* Brands Section */
.brands {
    padding: 60px 0;
    border-bottom: 1px solid #eee;
}

.brands-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    opacity: 0.6;
    filter: grayscale(1);
}

.brand-item {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-text);
}

/* Steps Section */
.steps {
    padding: 100px 0;
    background: #fff;
    text-align: center;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 15px;
    display: block;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-bg);
}

.section-header p {
    color: var(--gray-text);
    font-size: 16px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step-card {
    padding: 40px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: #f0f7ff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.step-icon i {
    width: 32px;
    height: 32px;
}

.step-icon img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.step-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-bg);
}

.step-card p {
    color: var(--gray-text);
    font-size: 14px;
    line-height: 1.6;
}

.view-all-link {
    display: inline-block;
    margin-top: 40px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Large Testimonial Section */
.testimonial-large {
    padding: 100px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1554118811-1e0d58224f24?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    text-align: center;
}

.testimonial-large .container {
    max-width: 800px;
}

.play-btn {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 40px;
    cursor: pointer;
    transition: var(--transition);
}

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

.testimonial-large blockquote {
    font-size: 32px;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ccc;
}

.author-info {
    text-align: left;
}

.author-name {
    font-weight: 600;
    font-size: 16px;
    display: block;
}

.author-title {
    font-size: 14px;
    opacity: 0.8;
}

/* Features List Section */
.features-list {
    padding: 100px 0;
    background: #fff;
}

.features-list .container {
    display: flex;
    align-items: center;
    gap: 80px;
}

.features-image {
    flex: 1;
    position: relative;
}

.features-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.video-preview {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
}

.features-content {
    flex: 1;
}

.features-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--dark-bg);
}

.feature-item-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 15px;
}

.feature-item-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-item-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-bg);
}

.feature-item-text p {
    color: var(--gray-text);
    font-size: 14px;
}

/* Features Grid (Dark Theme) */
.features-grid-section {
    padding: 100px 0;
    background: var(--dark-bg);
    color: #fff;
}

.features-grid-section .section-header h2 {
    color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.feature-card-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: #fff;
}

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

.faq-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    padding: 10px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-bg);
    cursor: pointer;
    text-align: left;
}

.faq-answer {
    padding-top: 15px;
    color: var(--gray-text);
    font-size: 15px;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

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

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.stars {
    color: #ffc107;
    margin-bottom: 20px;
    display: flex;
    gap: 5px;
}

.testimonial-card p {
    font-style: italic;
    color: var(--gray-text);
    margin-bottom: 25px;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #eee;
}

.user-info h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.user-info span {
    font-size: 13px;
    color: var(--gray-text);
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact .container {
    display: flex;
    gap: 80px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--gray-text);
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    border-radius: 12px;
    background: #f8f9fa;
    transition: var(--transition);
}

.contact-method:hover {
    background: #f0f7ff;
}

.contact-method i {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.contact-form {
    flex: 1.2;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #eee;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    background: var(--primary-color);
    color: #fff;
    padding: 14px;
    font-size: 16px;
}

/* Footer */
footer {
    padding: 80px 0 30px;
    background: var(--dark-bg);
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 25px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--dark-bg);
}

.mobile-only-auth {
    display: none;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    header .container {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: block;
        cursor: pointer;
    }

    nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 20px;
        background: #fff;
        padding: 20px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .auth-buttons {
        display: none;
    }

    .mobile-only-auth {
        display: block;
        margin-top: 10px;
    }

    .mobile-only-auth button {
        width: 100%;
    }

    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats {
        justify-content: center;
        margin-bottom: 30px;
    }

    .hero h2.device-label {
        display: none;
    }

    .brands-grid {
        justify-content: center;
    }

    .steps-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .features-list .container,
    .contact .container {
        flex-direction: column;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-contact-item {
        justify-content: center;
    }

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