@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
    --bg: #ffffff;
    --fg: #2e3438;
    --accent: #4b9ba8;
    --accent-light: rgba(75,155,168,0.10);
    --accent-15: rgba(75,155,168,0.15);
    --accent-30: rgba(75,155,168,0.30);
    --muted: #f7f8f9;
    --muted-fg: #6b7280;
    --border: #eaeaeb;
    --card: #ffffff;
    --radius: 0.625rem;
    --shadow-card: 0 4px 16px -4px rgba(0,0,0,0.08);
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--fg); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }
.font-heading { font-family: var(--font-heading); }

/* ── Navbar ── */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: all 0.3s; }
.navbar.scrolled { background: rgba(255,255,255,0.8); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }
.navbar-logo img { width: 2rem; height: 2rem; }
.navbar-links { display: flex; align-items: center; gap: 2rem; }
.navbar-links a, .navbar-links button { background: none; border: none; cursor: pointer; font-size: 13px; font-weight: 500; color: var(--muted-fg); transition: color 0.2s; text-decoration: none; }
.navbar-links a:hover, .navbar-links button:hover { color: var(--fg); }
.navbar-cta .btn-primary { font-size: 13px; height: 2rem; padding: 0 1rem; }
.navbar-mobile-btn { display: none; background: none; border: none; cursor: pointer; color: var(--fg); }
.mobile-menu { display: none; background: var(--bg); border-bottom: 1px solid var(--border); padding: 0 1rem 1rem; }
.mobile-menu > a, .mobile-menu > button { display: block; width: 100%; text-align: left; padding: 0.5rem 0; font-size: 0.875rem; color: var(--muted-fg); background: none; border: none; cursor: pointer; text-decoration: none; }
.mobile-menu .btn-primary { width: 100%; margin-top: 0.75rem; }

@media (max-width: 767px) {
    .navbar-links, .navbar-cta { display: none; }
    .navbar-mobile-btn { display: block; }
    .mobile-menu.open { display: block; }
}

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.25rem; font-family: var(--font-body); font-weight: 500; border-radius: 0.5rem; cursor: pointer; transition: all 0.2s; text-decoration: none; border: none; }
.btn-primary { background: var(--fg); color: var(--bg); height: 2.75rem; padding: 0 1.5rem; font-size: 0.875rem; }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; color: var(--fg); height: 2.75rem; padding: 0 1.5rem; font-size: 0.875rem; border: 1px solid var(--border); }
.btn-outline:hover { background: var(--muted); }
.btn .arrow { transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(2px); }

/* ── Hero ── */
.hero { padding: 7rem 0 5rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem 4rem; align-items: center; }
.hero-brand { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.hero-brand img { width: 2.25rem; height: 2.25rem; }
.hero-brand span { font-family: var(--font-heading); font-weight: 700; font-size: 1.5rem; }
.hero-brand .accent { color: var(--accent); }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.25rem 0.75rem; border-radius: 9999px; background: var(--accent-light); color: var(--accent); font-size: 0.75rem; font-weight: 500; margin-bottom: 1.5rem; }
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-family: var(--font-heading); font-size: clamp(2.25rem,4.5vw,3.75rem); font-weight: 800; line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.hero h1 .accent { color: var(--accent); }
.hero-desc { font-size: 1.125rem; color: var(--muted-fg); margin-bottom: 2rem; max-width: 36rem; line-height: 1.7; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.hero-checks { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: 0.875rem; color: var(--muted-fg); }
.hero-checks .check-item { display: flex; align-items: center; gap: 0.5rem; }
.hero-checks svg { width: 16px; height: 16px; color: var(--accent); }
.hero-image-wrap { position: relative; }
.hero-image-glow { position: absolute; inset: -1.5rem; background: linear-gradient(to top right, var(--accent-15), rgba(75,155,168,0.05), transparent); border-radius: 2rem; filter: blur(40px); }
.hero-image { position: relative; border-radius: 1rem; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.hero-image img { width: 100%; height: auto; display: block; }

@media (max-width: 1023px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-image-wrap { max-width: 600px; }
    .hero-brand { justify-content: center; }
    .hero-grid > div:first-child { text-align: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-checks { justify-content: center; }
}

/* ── Section Commons ── */
.section-badge { color: var(--accent); font-weight: 600; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.75rem; }
.section-title { font-family: var(--font-heading); font-size: clamp(1.75rem,3vw,2.25rem); font-weight: 700; margin-bottom: 1rem; }
.section-subtitle { color: var(--muted-fg); }

/* ── Modules ── */
.modules { padding: 7rem 0; background: rgba(247,248,249,0.3); border-top: 1px solid var(--border); }
.modules-header { max-width: 42rem; margin: 0 auto 5rem; text-align: center; }
.modules-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; max-width: 64rem; margin: 0 auto; }
.module-card { border-radius: 0.75rem; border: 1px solid var(--border); background: var(--card); padding: 1.5rem; transition: all 0.2s; }
.module-card:hover { border-color: var(--accent-30); box-shadow: var(--shadow-card); }
.module-card-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.module-icon { width: 2.5rem; height: 2.5rem; border-radius: 0.5rem; background: var(--accent-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.module-icon svg { width: 20px; height: 20px; color: var(--accent); }
.module-card h3 { font-family: var(--font-heading); font-weight: 600; font-size: 15px; }
.module-card p { color: var(--muted-fg); font-size: 0.875rem; line-height: 1.7; }

@media (max-width: 1023px) { .modules-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 639px) { .modules-grid { grid-template-columns: 1fr; } }

/* ── Screens ── */
.screens { padding: 7rem 0; border-top: 1px solid var(--border); background: rgba(247,248,249,0.2); }
.screens-header { max-width: 42rem; margin: 0 auto 4rem; text-align: center; }
.screens-list { display: flex; flex-direction: column; gap: 4rem; max-width: 72rem; margin: 0 auto; }
.screen-item { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.screen-item.reverse .screen-image { order: 2; }
.screen-item.reverse .screen-text { order: 1; }
.screen-image { border-radius: 1rem; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.screen-image img { width: 100%; height: auto; display: block; }
.screen-tag { color: var(--accent); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.75rem; }
.screen-text h3 { font-family: var(--font-heading); font-size: clamp(1.5rem,2.5vw,1.875rem); font-weight: 700; margin-bottom: 1rem; }
.screen-text p { color: var(--muted-fg); line-height: 1.7; }

@media (max-width: 1023px) {
    .screen-item { grid-template-columns: 1fr; }
    .screen-item.reverse .screen-image { order: 0; }
    .screen-item.reverse .screen-text { order: 0; }
}

/* ── Clients ── */
.clients { padding: 6rem 0; border-top: 1px solid var(--border); }
.clients-header { max-width: 42rem; margin: 0 auto 4rem; text-align: center; }
.clients-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; max-width: 56rem; margin: 0 auto; align-items: center; }
.client-card { height: 6rem; display: flex; align-items: center; justify-content: center; padding: 1rem; border-radius: 0.75rem; border: 1px solid var(--border); background: var(--card); transition: box-shadow 0.2s; }
.client-card:hover { box-shadow: var(--shadow-card); }
.client-card img { max-height: 100%; max-width: 100%; object-fit: contain; filter: grayscale(100%); opacity: 0.7; transition: all 0.3s; }
.client-card:hover img { filter: grayscale(0%); opacity: 1; }

@media (max-width: 767px) { .clients-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 639px) { .clients-grid { grid-template-columns: repeat(2,1fr); } }

/* ── Features ── */
.features { padding: 7rem 0; border-top: 1px solid var(--border); }
.features-header { max-width: 32rem; margin-bottom: 5rem; }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2.5rem 2.5rem; max-width: 64rem; margin: 0 auto; }
.feature-icon { width: 2.75rem; height: 2.75rem; border-radius: 0.75rem; background: var(--accent-light); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.feature-icon svg { width: 20px; height: 20px; color: var(--accent); }
.feature-item h3 { font-family: var(--font-heading); font-weight: 700; font-size: 1.125rem; margin-bottom: 0.5rem; }
.feature-item p { color: var(--muted-fg); font-size: 0.875rem; line-height: 1.7; }

@media (max-width: 1023px) { .features-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 639px) { .features-grid { grid-template-columns: 1fr; } }

/* ── CTA ── */
.cta { padding: 7rem 0; border-top: 1px solid var(--border); }
.cta-box { max-width: 56rem; margin: 0 auto; border-radius: 1.5rem; background: var(--fg); color: var(--bg); padding: 2.5rem; text-align: center; }
.cta-box h2 { font-family: var(--font-heading); font-size: clamp(1.75rem,3.5vw,3rem); font-weight: 800; margin-bottom: 1.25rem; letter-spacing: -0.02em; }
.cta-box .cta-desc { color: rgba(255,255,255,0.7); font-size: 1.125rem; max-width: 36rem; margin: 0 auto 2rem; }
.cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-bottom: 2.5rem; }
.cta-buttons .btn-primary { background: var(--bg); color: var(--fg); }
.cta-buttons .btn-primary:hover { opacity: 0.9; }
.cta-buttons .btn-outline { border-color: rgba(255,255,255,0.3); color: var(--bg); background: transparent; }
.cta-buttons .btn-outline:hover { background: var(--bg); color: var(--fg); }
.cta-contacts { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; padding-top: 2.5rem; border-top: 1px solid rgba(255,255,255,0.15); text-align: left; }
.cta-contact { display: flex; align-items: flex-start; gap: 0.75rem; }
.cta-contact-icon { width: 2.25rem; height: 2.25rem; border-radius: 0.5rem; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cta-contact-icon svg { width: 16px; height: 16px; color: var(--bg); }
.cta-contact-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-bottom: 2px; }
.cta-contact-value { font-size: 0.875rem; font-weight: 500; color: var(--bg); }
.cta-contact-value a { color: var(--bg); text-decoration: none; }
.cta-contact-value a:hover { text-decoration: underline; }

@media (max-width: 639px) { .cta-contacts { grid-template-columns: 1fr; } .cta-box { padding: 2rem 1.5rem; } }
@media (min-width: 768px) { .cta-box { padding: 4rem; } }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); padding: 3rem 0; }
.footer-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; margin-bottom: 3rem; }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; }
.footer-brand img { width: 1.75rem; height: 1.75rem; }
.footer-brand span { font-family: var(--font-heading); font-weight: 600; font-size: 0.875rem; }
.footer p, .footer li, .footer span { font-size: 0.875rem; color: var(--muted-fg); line-height: 1.7; }
.footer h4 { font-weight: 500; font-size: 0.875rem; margin-bottom: 0.75rem; color: var(--fg); }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.5rem; }
.footer a { color: var(--muted-fg); text-decoration: none; transition: color 0.2s; }
.footer a:hover { color: var(--fg); }
.footer-bottom { padding-top: 2rem; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; font-size: 0.75rem; color: var(--muted-fg); flex-wrap: wrap; }

@media (max-width: 1023px) { .footer-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 639px) { .footer-grid { grid-template-columns: 1fr; } }

/* ── Scroll Animations ── */
.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0s; }
.stagger-2 { transition-delay: 0.07s; }
.stagger-3 { transition-delay: 0.14s; }
.stagger-4 { transition-delay: 0.21s; }
.stagger-5 { transition-delay: 0.28s; }
.stagger-6 { transition-delay: 0.35s; }