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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: #1e293b;
    border-bottom: 1px solid #334155;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-accent {
    color: #14b8a6;
}

nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

nav a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color .2s;
}

nav a:hover {
    color: #e2e8f0;
}

.btn-primary {
    background: #14b8a6;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    transition: background .2s;
}

.btn-primary:hover {
    background: #0d9488;
    color: #fff;
}

/* Hero */
.hero {
    position: relative;
    padding: 90px 0 60px;
    background: radial-gradient(1200px 500px at 75% 20%, rgba(20,184,166,0.14), transparent 60%),
                linear-gradient(180deg, #1e293b 0%, #0f172a 75%, #0f172a 100%);
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 140px;
    background: linear-gradient(180deg, transparent 0%, #0f172a 100%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 40px;
}

.hero-text {
    text-align: left;
}

.hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-accent {
    color: #14b8a6;
}

.hero p {
    font-size: 18px;
    color: #94a3b8;
    max-width: 480px;
    margin: 0 0 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(20,184,166,0.35) 0%, transparent 70%);
    filter: blur(10px);
    z-index: 0;
}

.hero-svg {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
}

.btn-hero {
    display: inline-block;
    background: #14b8a6;
    color: #fff;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: background .2s, transform .1s;
}

.btn-hero:hover {
    background: #0d9488;
    transform: translateY(-1px);
}

/* Eyebrow / shared section helpers */
.eyebrow {
    display: inline-block;
    color: #14b8a6;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 12px;
}

.eyebrow-center {
    display: block;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: #94a3b8;
    font-size: 16px;
    max-width: 520px;
    margin: -28px auto 40px;
}

/* About */
.about {
    padding: 70px 0;
}

.about-inner {
    max-width: 760px;
}

.about-text h2 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 18px;
}

.about-text p {
    color: #94a3b8;
    font-size: 16px;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.about-stat {
    display: flex;
    flex-direction: column;
}

.about-stat strong {
    font-size: 26px;
    font-weight: 800;
    color: #14b8a6;
}

.about-stat span {
    font-size: 13px;
    color: #64748b;
}

/* Features */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 28px;
    transition: border-color .2s, transform .15s;
}

.feature-card:hover {
    border-color: #14b8a6;
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: #94a3b8;
}

/* Benefits */
.benefits {
    padding: 80px 0;
    background: #1e293b;
}

.benefits h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 32px;
    max-width: 800px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 10px;
    padding: 16px 20px;
}

.benefit-check {
    color: #14b8a6;
    font-weight: 700;
    font-size: 16px;
    line-height: 1.5;
}

.benefit-item p {
    font-size: 14px;
    color: #e2e8f0;
}

/* Plans */
.plans {
    padding: 80px 0;
    background: #1e293b;
}

.plans h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 760px;
    margin: 0 auto;
}

.plan-card {
    position: relative;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 36px 32px;
}

.plan-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #94a3b8;
    margin-bottom: 12px;
}

.plan-price {
    font-size: 42px;
    font-weight: 800;
    color: #e2e8f0;
    margin-bottom: 12px;
}

.plan-currency {
    font-size: 20px;
    font-weight: 700;
    vertical-align: super;
    margin-right: 2px;
}

.plan-period {
    font-size: 15px;
    font-weight: 500;
    color: #64748b;
}

.plan-desc {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 24px;
}

.plan-features {
    list-style: none;
    margin-bottom: 28px;
}

.plan-features li {
    font-size: 14px;
    color: #e2e8f0;
    padding: 8px 0 8px 26px;
    position: relative;
    border-top: 1px solid #1e293b;
}

.plan-features li:first-child {
    border-top: none;
}

.plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #14b8a6;
    font-weight: 700;
}

.btn-plan {
    display: block;
    text-align: center;
    background: transparent;
    border: 1px solid #14b8a6;
    color: #14b8a6;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: background .2s, color .2s;
}

.btn-plan:hover {
    background: rgba(20,184,166,0.1);
}

.plan-featured {
    background: linear-gradient(180deg, #14322f 0%, #0f172a 100%);
    border-color: #14b8a6;
    box-shadow: 0 0 0 1px #14b8a6, 0 20px 40px rgba(20,184,166,0.12);
}

.plan-badge {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: #14b8a6;
    color: #0f172a;
    font-size: 12px;
    font-weight: 800;
    padding: 5px 14px;
    border-radius: 20px;
    white-space: nowrap;
}

.btn-plan-featured {
    background: #14b8a6;
    color: #fff;
}

.btn-plan-featured:hover {
    background: #0d9488;
    color: #fff;
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
}

.testimonials h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card p {
    font-size: 14px;
    color: #cbd5e1;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #14b8a6;
    color: #0f172a;
    font-weight: 800;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-author strong {
    display: block;
    font-size: 14px;
    font-weight: 700;
}

.testimonial-author span {
    font-size: 12px;
    color: #64748b;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: #1e293b;
}

.faq h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: min-content;
    align-items: start;
    gap: 12px 24px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 10px;
    padding: 4px 20px;
    align-self: start;
    height: fit-content;
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 16px 0;
    font-size: 15px;
    font-weight: 600;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    color: #14b8a6;
    font-size: 20px;
    font-weight: 700;
    margin-left: 12px;
    transition: transform .2s;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    font-size: 14px;
    color: #94a3b8;
    padding-bottom: 18px;
}

/* Tech */
.tech {
    padding: 64px 0;
    text-align: center;
}

.tech h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 28px;
    color: #64748b;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tag {
    background: #1e293b;
    border: 1px solid #334155;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    color: #94a3b8;
}

/* Footer */
footer {
    background: #1e293b;
    border-top: 1px solid #334155;
    padding: 56px 0 28px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid #334155;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #14b8a6;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color .2s;
}

.footer-col a:hover {
    color: #e2e8f0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-col-brand .logo-text {
    font-size: 18px;
}

.footer-col-brand p {
    font-size: 13px;
    color: #64748b;
    max-width: 240px;
}

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: #0f172a;
    border: 1px solid #334155;
    margin-bottom: 0;
    font-size: 14px;
}

.footer-socials a:hover {
    border-color: #14b8a6;
    color: #14b8a6;
}

.footer-address {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 12px;
    line-height: 1.5;
}

.footer-maps {
    display: inline-block;
    font-size: 13px;
    color: #14b8a6;
    font-weight: 600;
}

.footer-copy {
    font-size: 13px;
    color: #475569;
    text-align: center;
    padding-top: 24px;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-text { text-align: center; }
    .hero p { margin: 0 auto 32px; }
    .hero-actions { justify-content: center; }
    .hero-visual { order: -1; margin-bottom: 8px; }
    .hero-svg { max-width: 320px; }

    .plans-grid { grid-template-columns: 1fr; max-width: 420px; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 30px; }
    .features-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    nav a:not(.btn-primary) { display: none; }
    .footer-top { grid-template-columns: 1fr; text-align: center; }
    .footer-col a { margin-left: auto; margin-right: auto; }
    .about-stats { justify-content: center; }
    .footer-socials { justify-content: center; }
}