@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --primary: #4F46E5;
    --primary-dark: #3730A3;
    --accent: #06B6D4;
    --accent-dark: #0891B2;
    --dark: #0F172A;
    --gray-800: #1F2937;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    --success: #10B981;
    --rg: linear-gradient(135deg, #4F46E5, #7C3AED);
    --cg: linear-gradient(135deg, #06B6D4, #3B82F6);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Inter',sans-serif; color:var(--gray-800); line-height:1.6; background:#fff; overflow-x:hidden; }

.container { max-width:1200px; margin:0 auto; padding:0 2rem; }
section { padding:5rem 0; }

/* NAV */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(255,255,255,0.96); backdrop-filter:blur(16px);
    border-bottom:1px solid var(--gray-200); transition:box-shadow .3s;
}
.navbar.scrolled { box-shadow:0 2px 20px rgba(0,0,0,0.07); }
.nav-inner {
    max-width:1200px; margin:0 auto; padding:0 2rem;
    display:flex; align-items:center; justify-content:space-between; height:68px;
}
.logo { display:flex; align-items:center; gap:.5rem; text-decoration:none; }
.logo-mark {
    width:36px; height:36px; background:var(--rg); border-radius:10px;
    display:flex; align-items:center; justify-content:center;
    color:#fff; font-weight:800; font-size:1rem;
}
.logo-name { font-size:1.35rem; font-weight:800; color:var(--dark); letter-spacing:-.5px; }
.logo-name span { color:var(--primary); }
.nav-links { display:flex; align-items:center; gap:1.75rem; list-style:none; }
.nav-links a { text-decoration:none; color:var(--gray-600); font-weight:500; font-size:.9rem; transition:color .2s; }
.nav-links a:hover, .nav-links a.active { color:var(--primary); }
.nav-actions { display:flex; gap:.75rem; }

/* BUTTONS */
.btn {
    display:inline-flex; align-items:center; gap:.4rem;
    padding:.65rem 1.4rem; border-radius:9px; font-weight:600;
    font-size:.9rem; text-decoration:none; border:none; cursor:pointer;
    font-family:inherit; transition:all .2s;
}
.btn-primary { background:var(--rg); color:#fff; box-shadow:0 3px 12px rgba(79,70,229,.25); }
.btn-primary:hover { transform:translateY(-1px); box-shadow:0 5px 20px rgba(79,70,229,.35); }
.btn-accent { background:var(--cg); color:#fff; box-shadow:0 3px 12px rgba(6,182,212,.25); }
.btn-accent:hover { transform:translateY(-1px); box-shadow:0 5px 20px rgba(6,182,212,.35); }
.btn-outline { border:1.5px solid var(--gray-200); color:var(--gray-600); background:#fff; }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); }
.btn-outline-r { border:1.5px solid var(--primary); color:var(--primary); background:transparent; }
.btn-outline-r:hover { background:var(--primary); color:#fff; }
.btn-outline-c { border:1.5px solid var(--accent-dark); color:var(--accent-dark); background:transparent; }
.btn-outline-c:hover { background:var(--accent-dark); color:#fff; }
.btn-white { background:#fff; color:var(--primary); box-shadow:0 3px 12px rgba(0,0,0,.1); }
.btn-white:hover { transform:translateY(-1px); box-shadow:0 5px 20px rgba(0,0,0,.15); }
.btn-ghost { background:rgba(255,255,255,.12); color:#fff; border:1px solid rgba(255,255,255,.2); }
.btn-ghost:hover { background:rgba(255,255,255,.2); }
.btn-lg { padding:.9rem 2rem; font-size:1rem; border-radius:12px; }

/* LABELS */
.label {
    display:inline-flex; align-items:center; gap:.4rem;
    font-size:.75rem; font-weight:700; text-transform:uppercase;
    letter-spacing:1.5px; color:var(--primary); margin-bottom:.6rem;
}
.label.c { color:var(--accent-dark); }

/* SECTION TITLES */
.section-title { font-size:2.25rem; font-weight:800; color:var(--dark); letter-spacing:-.75px; line-height:1.2; margin-bottom:.8rem; }
.section-sub { font-size:1rem; color:var(--gray-500); line-height:1.7; max-width:560px; }
.center { text-align:center; }
.center .section-sub { margin:0 auto; }

/* CARDS */
.card {
    background:#fff; border-radius:16px; padding:1.75rem;
    border:1px solid var(--gray-200); transition:all .25s;
}
.card:hover { transform:translateY(-3px); box-shadow:0 10px 30px rgba(0,0,0,.07); }
.card-icon {
    width:44px; height:44px; border-radius:12px;
    display:flex; align-items:center; justify-content:center;
    font-size:1.1rem; color:#fff; margin-bottom:1rem;
}
.card-icon.r { background:var(--rg); }
.card-icon.c { background:var(--cg); }
.card h4 { font-size:1rem; font-weight:700; color:var(--dark); margin-bottom:.4rem; }
.card p { font-size:.875rem; color:var(--gray-500); line-height:1.65; }

/* FOOTER */
.footer { background:#0F172A; color:var(--gray-400); padding:4rem 0 2rem; }
.footer-grid {
    max-width:1200px; margin:0 auto; padding:0 2rem;
    display:grid; grid-template-columns:1.8fr 1fr 1fr 1fr; gap:3rem;
    padding-bottom:3rem; border-bottom:1px solid #1E293B;
}
.footer-brand .logo-name { color:#fff; }
.footer-brand p { font-size:.875rem; margin-top:.8rem; line-height:1.65; }
.footer-col h5 { color:#fff; font-size:.875rem; font-weight:700; margin-bottom:1rem; }
.footer-col ul { list-style:none; display:flex; flex-direction:column; gap:.5rem; }
.footer-col a { color:var(--gray-400); text-decoration:none; font-size:.875rem; transition:color .2s; }
.footer-col a:hover { color:#fff; }
.footer-bottom {
    max-width:1200px; margin:0 auto; padding:1.5rem 2rem 0;
    display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:1rem;
}
.footer-bottom p { font-size:.82rem; }
.social { display:flex; gap:.75rem; }
.social a {
    width:36px; height:36px; border-radius:8px; background:#1E293B;
    display:flex; align-items:center; justify-content:center;
    color:var(--gray-400); text-decoration:none; font-size:.85rem; transition:all .2s;
}
.social a:hover { background:var(--primary); color:#fff; }

/* PAGE HERO */
.page-hero { padding:8rem 2rem 4.5rem; }
.page-hero.light-r { background:linear-gradient(135deg,#EEF2FF,#E0E7FF 60%,#F3F4F6); }
.page-hero.light-c { background:linear-gradient(135deg,#ECFEFF,#DBEAFE 60%,#F3F4F6); }
.page-hero.dark { background:var(--dark); color:#fff; }
.page-hero h1 { font-size:3rem; font-weight:900; letter-spacing:-1.5px; line-height:1.1; margin-bottom:1rem; }
.page-hero p { font-size:1.05rem; max-width:560px; line-height:1.75; margin-bottom:1.75rem; }
.page-hero.light-r p, .page-hero.light-c p { color:var(--gray-600); }
.page-hero.dark p { color:var(--gray-400); }
.hero-cta { display:flex; gap:.75rem; flex-wrap:wrap; }

/* HAMBURGER MENU */
.hamburger {
    display:none; background:none; border:none; cursor:pointer;
    width:36px; height:36px; padding:6px; flex-direction:column;
    justify-content:center; gap:5px; align-items:center;
}
.hamburger span {
    display:block; width:22px; height:2px; background:var(--gray-600);
    border-radius:2px; transition:all .3s;
}
.hamburger.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity:0; }
.hamburger.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* RESPONSIVE */
@media(max-width:1024px) { .section-title { font-size:1.9rem; } .footer-grid { grid-template-columns:1fr 1fr; } }
@media(max-width:768px) {
    .hamburger { display:flex; }
    .nav-links {
        display:none; position:absolute; top:68px; left:0; right:0;
        background:#fff; flex-direction:column; padding:1rem 2rem 1.5rem;
        border-bottom:1px solid var(--gray-200);
        box-shadow:0 8px 24px rgba(0,0,0,.08);
    }
    .nav-links.open { display:flex; }
    .nav-links li { padding:.5rem 0; }
    .nav-actions .btn-outline { display:none; }
    .page-hero h1 { font-size:2.1rem; } .section-title { font-size:1.7rem; }
}
@media(max-width:500px) { .footer-grid { grid-template-columns:1fr; } }

/* ANIMATIONS */
.fade { opacity:0; transform:translateY(16px); transition:opacity .5s ease, transform .5s ease; }
.fade.in { opacity:1; transform:translateY(0); }