@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@500;600;700;800&display=swap');

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.5);
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --gradient-main: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 12px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--darker-bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08), transparent 25%);
    background-attachment: fixed;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

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

.section-title {
    text-align: center;
    position: relative;
    margin-bottom: 3rem;
}

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

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(12px);
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo img {
    height: 48px;
    /* Remove invert. Use screen to make black background transparent */
    mix-blend-mode: screen;
}

.nav__list {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 50px rgba(59, 130, 246, 0.5);
    border-radius: 8px;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.nav__link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 5px 0;
}

.nav__link:hover,
.nav__link.active {
    color: white;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: var(--transition);
}

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

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown__menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--card-bg);
    min-width: 260px;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1100;
}

.dropdown:hover .dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown__link {
    display: block;
    padding: 10px 15px;
    color: var(--text-muted);
    border-radius: 8px;
    font-size: 0.9rem;
}

.dropdown__link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1200;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: white;
    position: absolute;
    transition: 0.3s;
}

.mobile-menu-toggle span:nth-child(1) {
    top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 9px;
}

.mobile-menu-toggle span:nth-child(3) {
    top: 18px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-heading);
    font-size: 1rem;
    text-align: center;
}

.btn--primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.btn--outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.btn--outline:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.btn--full {
    width: 100%;
}

/* Canvas / Hero */
.hero,
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 130px;
    /* Increased to prevent header overlap */
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero__actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    opacity: 0.6;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    40% {
        transform: translateY(-10px) translateX(-50%);
    }

    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* Sections & Cards */
.section {
    padding: 6rem 0;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card__title {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

/* Slider */
.slider-wrapper {
    overflow: hidden;
    padding: 1rem 0 3rem;
}

.slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 10px;
    scrollbar-width: none;
}

.slider::-webkit-scrollbar {
    display: none;
}

.slide {
    min-width: 300px;
    padding: 0;
    overflow: hidden;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.slide img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.slide__caption {
    padding: 1.5rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-main);
}

/* Form */
.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
    background: var(--darker-bg);
}

.footer__container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-muted);
}

.social-link:hover {
    color: white;
    border-color: var(--primary);
    background: var(--primary);
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(2, 6, 23, 0.95);
        backdrop-filter: blur(15px);
        padding-top: 80px;
        transition: right 0.3s ease;
        z-index: 1100;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .nav.active {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 2rem;
    }

    .nav__link {
        font-size: 1.2rem;
    }

    .mobile-menu-toggle {
        display: block;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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