:root {
    --hero-bg-start: #0f4c81;
    --hero-bg-end: #1a73e8;
    --primary-color: #1a73e8;
    --accent-color: #fbbc04;
    --text-color: #1f2937;
    --background-color: #f6f7fb;
    --card-bg: #ffffff;
    --muted-text: #6b7280;
    --border-color: rgba(26, 115, 232, 0.12);
    --radius-xl: 32px;
    --radius-lg: 20px;
    --shadow-soft: 0 25px 55px rgba(15, 76, 129, 0.12);
}

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

body {
    font-family: "Poppins", "Segoe UI", sans-serif;
    color: var(--text-color);
    background: var(--background-color);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(26, 115, 232, 0.08);
}

.navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.brand-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.brand-tagline {
    font-size: 0.85rem;
    color: var(--muted-text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.4rem 0;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.9rem 1.6rem;
    background: linear-gradient(135deg, var(--primary-color), rgba(26, 115, 232, 0.85));
    color: #fff;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: 0 18px 32px rgba(26, 115, 232, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 42px rgba(26, 115, 232, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.18);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.45);
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.28);
    transform: translateY(-2px);
}

.hero {
    background: linear-gradient(140deg, var(--hero-bg-start), var(--hero-bg-end));
    color: #fff;
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(80px);
    opacity: 0.55;
}

.hero::before {
    width: 540px;
    height: 540px;
    background: rgba(255,255,255,0.18);
    top: -180px;
    right: -160px;
}

.hero::after {
    width: 420px;
    height: 420px;
    background: rgba(251,188,4,0.22);
    bottom: -120px;
    left: -160px;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 5vw, 3.8rem);
    line-height: 1.1;
    margin-bottom: 1.4rem;
    font-weight: 800;
}

.hero-copy p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 1.8rem;
}

.hero-actions {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-meta {
    margin-top: 2.4rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.hero-meta-card {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    backdrop-filter: blur(8px);
}

.hero-meta-card h3 {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
    color: rgba(255,255,255,0.75);
}

.hero-meta-card p {
    font-size: 1.05rem;
    font-weight: 600;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.85rem;
}

.section-title {
    font-size: clamp(2.1rem, 3vw, 2.8rem);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.section-subtitle {
    max-width: 540px;
    margin: 0.5rem auto 0;
    color: var(--muted-text);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
}

.plan-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.plan-price {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--primary-color);
}

.plan-benefits {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.plan-benefits li {
    display: flex;
    gap: 0.65rem;
    align-items: center;
    color: var(--muted-text);
}

.plan-benefits li::before {
    content: "✔";
    color: var(--accent-color);
    font-weight: 700;
}

.split-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    align-items: center;
}

.text-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
}

.text-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1.1rem;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.feature-list li {
    padding-left: 1.8rem;
    position: relative;
    color: var(--muted-text);
}

.feature-list li::before {
    content: "●";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.6rem;
}

.benefit-card {
    background: var(--card-bg);
    padding: 1.8rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}

.benefit-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
}

.blog-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 0.8rem;
}

.blog-card h3 {
    font-size: 1.2rem;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--muted-text);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.blog-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

.comparison-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.8rem;
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 1rem;
}

.comparison-card h3 {
    font-size: 1.25rem;
}

.comparison-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.comparison-card ul {
    list-style: none;
    display: grid;
    gap: 0.65rem;
    color: var(--muted-text);
}

.comparison-card ul li::before {
    content: "✔";
    color: var(--accent-color);
    margin-right: 0.4rem;
}

.comparison-card .footnote {
    font-size: 0.85rem;
    color: var(--muted-text);
}

.comparison-card.highlight {
    border: 2px solid var(--primary-color);
    box-shadow: 0 35px 65px rgba(26, 115, 232, 0.18);
}

.blog-detail {
    width: min(760px, 94%);
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.blog-detail h1 {
    font-size: clamp(2rem, 4vw, 2.6rem);
}

.blog-detail .blog-meta {
    color: var(--muted-text);
    font-size: 0.95rem;
}

.blog-detail img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.blog-detail .blog-content {
    line-height: 1.8;
    color: var(--text-color);
}

.footer-social {
    margin-top: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-social a {
    color: var(--primary-color);
    font-weight: 600;
}

.cta-section {
    text-align: center;
    background: linear-gradient(135deg, var(--hero-bg-start), var(--hero-bg-end));
    padding: 4.5rem 0;
    color: #fff;
    border-radius: calc(var(--radius-xl) * 0.8);
    box-shadow: 0 35px 75px rgba(26, 115, 232, 0.28);
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.25), transparent 45%);
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 1rem;
}

.cta-section p {
    max-width: 540px;
    margin: 0 auto 2rem;
    color: rgba(255,255,255,0.85);
}

.footer {
    padding: 2.5rem 0;
    text-align: center;
    color: var(--muted-text);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 5rem 0 3rem;
    }

    .plan-card,
    .text-card,
    .benefit-card {
        padding: 1.6rem;
    }

    .cta-section {
        border-radius: 24px;
    }
}