:root {
    --primary-color: #2f54eb;
    --primary-hover: #1d39c4;
    --text-color: #1f2329;
    --text-secondary: #646a73;
    --bg-color: #ffffff;
    --footer-bg: #111111;
    --section-padding: 120px 20px;
    --container-width: 1400px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px; /* Base font size increased */
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    height: 90px; /* Increased height */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 48px; /* Increased logo size */
}

.nav-links {
    display: flex;
    gap: 60px; /* Increased gap */
}

.nav-links a {
    font-size: 18px; /* Increased font size */
    font-weight: 500;
    color: var(--text-color);
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
    padding: 120px 20px;
}

.hero-content {
    max-width: 1100px; /* Increased width */
    width: 100%;
}

.hero-content h1 {
    font-size: clamp(3rem, 7vw, 5.5rem); /* Significantly increased font size */
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 32px;
    color: #000;
    letter-spacing: -0.03em;
}

.hero-content p {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem); /* Increased font size */
    color: var(--text-secondary);
    margin-bottom: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    padding: 20px 50px; /* Increased button size */
    border-radius: 6px;
    font-weight: 600;
    font-size: 18px;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 8px 20px rgba(47, 84, 235, 0.25);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(47, 84, 235, 0.35);
}

/* Sections */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Increased size */
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.3rem; /* Increased size */
    color: var(--text-secondary);
}

/* Business Grid */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); /* Increased min-width */
    gap: 40px;
}

.business-card {
    padding: 60px; /* Increased padding */
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid #edf2f7;
    transition: var(--transition);
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.06);
}

.icon-wrapper {
    width: 80px; /* Increased icon size */
    height: 80px;
    margin-bottom: 40px;
}

.icon-wrapper svg {
    width: 100%;
    height: 100%;
    fill: var(--primary-color);
}

.business-card h3 {
    font-size: 2rem; /* Increased size */
    margin-bottom: 24px;
}

.business-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Team Section */
.team-section {
    background: #1f2329;
    color: #fff;
    padding: 140px 20px;
}

.team-centers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* Increased size */
    gap: 40px;
    margin-bottom: 80px;
}

.center-item {
    text-align: center;
    padding: 60px 40px;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
}

.center-item h4 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #597ef7;
}

.center-item p {
    font-size: 1.1rem;
}

.team-description {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    color: #a9abb0;
    line-height: 2;
    font-size: 1.4rem; /* Increased size */
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.contact-card {
    text-align: center;
    padding: 60px;
    background: #fff;
    border: 1px solid #edf2f7;
    border-radius: 20px;
}

.contact-card h4 {
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.contact-card a {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
}

.address-box {
    text-align: center;
    padding: 60px;
    background: #f8fafc;
    border-radius: 20px;
}

.address-box p {
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: #fff;
    padding: 100px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-logo {
    height: 40px;
    filter: brightness(0) invert(1);
    margin-bottom: 30px;
}

.footer-brand p {
    font-size: 1.1rem;
    color: #888;
}

.footer-links-group {
    display: flex;
    gap: 100px;
}

.link-col h5 {
    color: #fff;
    font-size: 16px;
    text-transform: uppercase;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.link-col a {
    color: #999;
    font-size: 16px;
}

.footer-bottom {
    border-top: 1px solid #222;
    padding-top: 40px;
    font-size: 14px;
    color: #555;
}

/* Mobile */
@media (max-width: 1024px) {
    .nav-links { gap: 30px; }
    .business-grid, .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-container { height: 72px; padding: 0 24px; }
    .logo img { height: 32px; }
    .section { padding: 80px 20px; }
    .hero-content h1 { font-size: 3rem; }
}