/* ========================================
   CSS Variables & Base Styles
======================================== */
:root {
    --primary-blue: #0500ff;
    --primary-blue-dark: #0500ff;
    --primary-blue-light: #E8F4FC;
    --text-dark: #1a1a2e;
    --text-medium: #4a4a5a;
    --text-light: #6b6b7b;
    --white: #ffffff;
    --bg-light: #f5f7fa;
    --bg-section: #f8fafc;
    --warning-red: #E53935;
    --warning-orange: #FF9800;
    --border-color: #e0e6ed;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Header Styles
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    height: 70px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    perspective: 1000px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    transform-style: preserve-3d;
}

/* Continuous 3D sideways rotation for logo */
.rotating-logo {
    animation: rotateLogo 4s linear infinite;
    transform-style: preserve-3d;
}

@keyframes rotateLogo {
    from {
        transform: rotateY(0deg);
    }
    to {
        transform: rotateY(360deg);
    }
}

.logo:hover .logo-icon {
    animation-play-state: paused;
}

.logo-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-medium);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-fast);
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #00FF9D 100%);
    min-height: 500px;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
    max-width: 500px;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-description {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 32px;
    line-height: 1.7;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn-outline:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Hero Section Button Overrides */
.hero .btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.hero .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.hero .btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* Trust Badge with 360° Rotation Animation */
.hero-badge {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-badge {
    width: 200px;
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-badge-logo {
    width: 180px;
    height: 180px;
    object-fit: contain;
}

/* ========================================
   Issues Section
======================================== */
.issues-section {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 48px;
}

.issues-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.issue-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: 1px solid transparent;
}

.issue-card:hover {
    background: var(--white);
    border-color: var(--primary-blue);
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.issue-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.issue-icon svg {
    width: 24px;
    height: 24px;
}

.issue-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

/* ========================================
   Process Section
======================================== */
.process-section {
    padding: 80px 0;
    background: var(--bg-section);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.process-step {
    text-align: center;
    padding: 20px;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-blue-light);
    color: var(--primary-blue);
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all var(--transition-medium);
}

.process-step:hover .step-number {
    background: var(--primary-blue);
    color: var(--white);
    transform: scale(1.1) rotateY(180deg);
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.step-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   Chat Section
======================================== */
.chat-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #00FF9D 100%);
}

.chat-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.chat-text {
    flex: 1;
    max-width: 400px;
}

.chat-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.chat-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.chat-widget {
    flex-shrink: 0;
}

.chat-window {
    width: 280px;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform var(--transition-medium);
}

.chat-window:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.chat-header {
    background: var(--bg-light);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-blue);
}

.chat-header span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.chat-messages {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.4;
}

.chat-message.incoming {
    background: var(--bg-light);
    color: var(--text-dark);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-message.outgoing {
    background: var(--primary-blue);
    color: var(--white);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

/* ========================================
   Security Section
======================================== */
.security-section {
    padding: 80px 0;
    background: var(--white);
}

.security-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.security-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 16px;
    transition: all var(--transition-medium);
}

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

.security-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-icon svg,
.security-icon-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.security-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.security-description {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.security-warning {
    background: linear-gradient(135deg, #fee2e2 0%, #fef3c7 100%);
    border: 2px solid #f87171;
    border-radius: 16px;
    padding: 20px 32px;
    text-align: center;
}

.security-warning p {
    font-size: 14px;
    color: #991b1b;
    line-height: 1.6;
}

.security-warning strong {
    color: #dc2626;
}

/* ========================================
   FAQ Section
======================================== */
.faq-section {
    padding: 80px 0;
    background: var(--bg-section);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    text-align: left;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-blue);
}

.faq-arrow {
    width: 20px;
    height: 20px;
    color: var(--text-light);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

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

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

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--bg-light);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    gap: 80px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 11px;
    color: var(--text-light);
    opacity: 0.8;
}

/* ========================================
   Mobile Menu
======================================== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: absolute;
    top: 70px;
    right: 0;
    width: 250px;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-medium);
}

.mobile-menu-overlay.active .mobile-menu {
    transform: translateX(0);
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--primary-blue);
}

/* ========================================
   Animations
======================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 3D Card Flip Effect */
.card-3d {
    perspective: 1000px;
}

.card-3d-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(10deg);
}

/* Parallax depth effect */
.parallax-layer {
    transition: transform 0.1s ease-out;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero-content {
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .trust-badge {
        width: 180px;
        height: 180px;
    }

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

    .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .security-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-text {
        max-width: 100%;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .trust-badge {
        width: 160px;
        height: 160px;
    }

    .badge-inner {
        width: 130px;
        height: 130px;
    }

    .badge-inner svg {
        width: 60px;
        height: 60px;
    }

    .issues-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .chat-content {
        flex-direction: column;
        text-align: center;
    }

    .chat-text {
        max-width: 100%;
    }

    .chat-window {
        transform: none;
    }

    .security-features {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .section-title {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 50px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-description {
        font-size: 14px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 13px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .trust-badge {
        width: 140px;
        height: 140px;
    }

    .badge-inner {
        width: 110px;
        height: 110px;
    }

    .badge-inner svg {
        width: 50px;
        height: 50px;
    }

    .issue-card {
        padding: 16px 20px;
    }

    .chat-window {
        width: 260px;
    }

    .security-warning {
        padding: 16px 20px;
    }

    .faq-question {
        padding: 16px 20px;
        font-size: 13px;
    }

    .faq-answer p {
        padding: 0 20px 16px;
        font-size: 13px;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .badge-outer {
        animation: none;
    }
}