/* CSS Variables & Reset */
:root {
    /* Color Palette */
    --bg-deep-indigo: #1A1C2E;
    --bg-card-indigo: #23263A;
    --color-primary-cyan: #00E5FF;
    --color-cyan-dark: #00B8D4;
    --color-whatsapp: #25D366;
    --color-text-main: #FFFFFF;
    --color-text-muted: #A0AEC0;

    /* Gradients */
    --gradient-cyber: linear-gradient(135deg, #00E5FF 0%, #0EA5E9 100%);
    --gradient-whatsapp: linear-gradient(135deg, #25D366 0%, #128C7E 100%);

    /* Glassmorphism */
    --glass-bg: rgba(35, 38, 58, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 16px;

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;

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

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-deep-indigo);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

.text-gradient {
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-cyber);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.5);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 229, 255, 0.3);
}

/* Background Glow */
.background-glow {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, rgba(26, 28, 46, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.nav-links a:hover {
    color: var(--color-primary-cyan);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(0, 229, 255, 0.1);
    color: var(--color-primary-cyan);
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

/* Hero Visual (Mockup) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #000;
    border-radius: 40px;
    border: 8px solid #333;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    z-index: 2;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-card-indigo);
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-ui-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-text-muted);
}

.app-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary-cyan);
}

/* Floating Elements */
.floating-sticker {
    position: absolute;
    font-size: 3rem;
    animation: float 6s ease-in-out infinite;
    z-index: 3;
    filter: drop-shadow(0 10px 10px rgba(0, 0, 0, 0.3));
}

.sticker-1 {
    top: 10%;
    right: -20px;
    animation-delay: 0s;
}

.sticker-2 {
    bottom: 20%;
    left: -30px;
    animation-delay: 2s;
}

.sticker-3 {
    top: 40%;
    right: 90%;
    animation-delay: 4s;
    font-size: 2.5rem;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(0, 229, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-primary-cyan);
}

.feature-card h3 {
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* How It Works */
.howto {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 229, 255, 0.05) 100%);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--bg-card-indigo);
    border: 2px solid var(--color-primary-cyan);
    color: var(--color-primary-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto 20px;
}

.connector {
    flex: 1;
    height: 2px;
    background: var(--glass-border);
    margin-top: 25px;
}

/* Showcase (Marquee) */
.showcase {
    padding: 80px 0;
    overflow: hidden;
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.marquee-container::before,
.marquee-container::after {
    content: "";
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-deep-indigo), transparent);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-deep-indigo), transparent);
}

.marquee-content {
    display: flex;
    gap: 40px;
    animation: scroll 40s linear infinite;
    width: max-content;
}

.sticker-item {
    background: var(--glass-bg);
    padding: 8px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    width: 220px;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.sticker-item img {
    width: 100%;
    display: block;
    border-radius: 18px;
    pointer-events: none;
}

.caption {
    margin-top: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-cyan);
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
    padding: 6px 10px;
    border-radius: 12px;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* FAQ */
.faq {
    padding: 100px 0;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    /* remove default triangle */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary[list-style-image] {
    list-style-image: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    margin-top: 15px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 60px 0 20px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

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

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

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    color: var(--color-text-muted);
}

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Responsive */
@media (max-width: 768px) {

    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--bg-card-indigo);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        border-bottom: 1px solid var(--glass-border);
        backdrop-filter: blur(var(--glass-blur));
        -webkit-backdrop-filter: blur(var(--glass-blur));
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links a {
        padding: 15px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .btn-primary.btn-sm {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        margin: 0 auto 30px;
    }

    .apps-ui-placeholder {
        margin: 0 auto;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .connector {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
}