:root {
    --bg-color: #ffffff;
    --bg-alt: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --accent-blue: #0284c7;
    --accent-purple: #4f46e5;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);
    
    --font-main: 'Inter', sans-serif;
}

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

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

html {
    scroll-behavior: smooth;
}

/* Background effects */
.glow-bg {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.04) 0%, rgba(2, 132, 199, 0.03) 30%, transparent 70%);
    z-index: -1;
    animation: drift 20s infinite alternate linear;
    pointer-events: none;
}

@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-2%, 2%); }
}

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
    font-weight: 800;
}

h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

h1 span {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

p {
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 44px;
    width: auto;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--accent-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-main);
    font-size: 1rem;
}

.btn-small {
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--glass-border);
    background: #fff;
    color: var(--text-main);
}

.btn-small:hover {
    background: var(--bg-alt);
    border-color: #cbd5e1;
}

.btn-glow {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #fff;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(2, 132, 199, 0.3);
    color: #fff;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

/* Sections */
.hero {
    padding: 12rem 0 8rem;
    text-align: center;
    position: relative;
    border-bottom: 1px solid var(--glass-border);
    background: radial-gradient(circle at 50% -20%, var(--bg-alt), var(--bg-color));
}

.hero .subtitle {
    max-width: 600px;
    margin: 0 auto 3rem auto;
    font-size: 1.25rem;
}

.trust-section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--glass-border);
    background: var(--bg-alt);
    overflow: hidden;
}

.trust-label {
    text-align: center;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    color: #64748b;
}

.logo-marquee {
    display: flex;
    justify-content: center;
}

.marquee-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4rem;
}

.partner-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.about-section {
    padding: 8rem 0;
    background: var(--bg-color);
}

.container-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.glass-card {
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at top right, rgba(2, 132, 199, 0.05), transparent 50%);
    pointer-events: none;
}

.portrait-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    display: block;
    margin: 0 auto;
    object-fit: cover;
}

.cta-section {
    padding: 8rem 0;
    text-align: center;
    background: linear-gradient(to top, rgba(79, 70, 229, 0.03), transparent);
    border-top: 1px solid var(--glass-border);
}

.contact-form {
    max-width: 500px;
    margin: 3rem auto 0;
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    text-align: left;
}

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

input, textarea {
    width: 100%;
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    font-size: 0.875rem;
    background: var(--bg-alt);
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards cubic-bezier(0.2, 0.8, 0.2, 1);
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left.visible {
    animation: slideInLeft 0.8s forwards;
}

.slide-in-right.visible {
    animation: slideInRight 0.8s forwards;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Boost Checker */
.boost-checker {
    max-width: 550px;
    margin: 0 auto;
    text-align: left;
    background: rgba(255, 255, 255, 0.4);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.boost-checker label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text-main);
    font-size: 1.1rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group input {
    flex: 1;
    padding: 1.25rem 1.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.input-group .btn {
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-color);
    width: 100%;
    max-width: 500px;
    margin: 1rem;
    padding: 2.5rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    text-align: center;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 1rem; right: 1.5rem;
    background: none; border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-main);
}

.boost-loading {
    text-align: center;
    padding: 3rem 0;
}

.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--glass-border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.boost-result {
    text-align: left;
}

.boost-result h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.boost-result .contact-form {
    margin-top: 1.5rem;
    box-shadow: none;
    padding: 0;
    background: transparent;
    border: none;
}

.hidden { display: none !important; }

/* Responsive */
@media (max-width: 768px) {
    .container-split {
        grid-template-columns: 1fr;
    }
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    .nav {
        gap: 1rem;
    }
    .footer-container {
        flex-direction: column;
        gap: 1rem;
    }
}