/* WealthX Project - Dark Theme Styles */

/* ========== CSS Custom Properties ========== */
:root {
    --primary: #14b8a6;
    --primary-dark: #0d9488;
    --primary-light: #2dd4bf;
    --secondary: #06b6d4;
    --accent: #0891b2;
    --bg-dark: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #161616;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-white: #ffffff;
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.6);
    --text-subtle: rgba(255, 255, 255, 0.4);
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --glow: rgba(20, 184, 166, 0.4);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: all 0.3s ease;
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-white);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    color: var(--text-muted);
}

/* ========== Container ========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient);
    color: var(--bg-dark);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: var(--gradient);
    color: var(--bg-dark);
    border: none;
}

.btn-outline:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--glow);
}

/* ========== Header / Navigation ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

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

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

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-white);
}

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

/* Mobile Menu Button */
.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: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 3px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========== Hero Section ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.25) 0%, rgba(20, 184, 166, 0.1) 30%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
}

.hero h1 {
    color: var(--text-white);
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease;
}

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

.hero .tagline {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-muted);
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero .description {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 40px;
    color: var(--text-subtle);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero .btn {
    animation: fadeInUp 0.8s ease 0.3s both;
}

/* ========== Section Badge ========== */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 20px;
}

/* ========== About Section ========== */
.about {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
}

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

.section-header h2 {
    margin-bottom: 16px;
    color: var(--text-white);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--text-muted);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.about-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.125rem;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.12);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 10px;
    color: var(--primary-light);
    font-size: 1.25rem;
}

.feature-item span {
    font-weight: 500;
    color: var(--text-light);
}

/* ========== Products Section ========== */
.products {
    padding: 100px 0;
    background: var(--bg-dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.product-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.product-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-size: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-card:nth-child(1) .product-icon {
    background: rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.product-card:nth-child(2) .product-icon {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
}

.product-card:nth-child(3) .product-icon {
    background: rgba(244, 114, 182, 0.15);
    border-color: rgba(244, 114, 182, 0.3);
}

.product-card:nth-child(4) .product-icon {
    background: rgba(56, 189, 248, 0.15);
    border-color: rgba(56, 189, 248, 0.3);
}

.product-title-group {
    flex: 1;
}

.product-card h3 {
    margin-bottom: 4px;
    color: var(--text-white);
}

.product-tagline {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin: 0;
}

.product-card > p {
    margin-bottom: 24px;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.product-card .btn {
    width: 100%;
}

/* ========== Founder Section ========== */
.founder {
    padding: 100px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.founder .section-header h2 {
    color: var(--text-white);
}

.founder .section-header p {
    color: var(--text-muted);
}

.founder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.founder-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin-bottom: 24px;
}

.founder-name {
    font-size: 1.75rem;
    color: var(--text-white);
    margin-bottom: 8px;
}

.founder-title {
    color: var(--primary-light);
    font-weight: 500;
    margin-bottom: 20px;
}

.founder-bio {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.founder .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

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

.footer-links h4,
.footer-contact h4 {
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact svg {
    fill: var(--text-subtle);
}

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

.footer-bottom p {
    color: var(--text-subtle);
    font-size: 0.9rem;
}

/* ========== Animations ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .hero {
        padding: 100px 0 60px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .about,
    .products,
    .founder {
        padding: 80px 0;
    }

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

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

    .footer-brand {
        max-width: 100%;
    }

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

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero .tagline {
        font-size: 1.1rem;
    }

    .hero .description {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .product-card {
        padding: 24px;
    }

    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}