/* =====================================================
   Rhythm Security - Modern Redesign
   ===================================================== */

:root {
   --bg-primary:    #070c18;
   --bg-surface:    #0c1424;
   --bg-card:       #101e38;
   --bg-card-hover: #142342;
   --border:        rgba(255,255,255,.07);
   --border-hover:  rgba(59,130,246,.4);
   --accent:        #2563eb;
   --accent-light:  #3b82f6;
   --accent-glow:   rgba(37,99,235,.18);
   --amber:         #f59e0b;
   --amber-dark:    #d97706;
   --text:          #f1f5f9;
   --text-muted:    #94a3b8;
   --text-subtle:   #64748b;
   --radius-sm:     6px;
   --radius-md:     12px;
   --radius-lg:     20px;
   --shadow-card:   0 4px 24px rgba(0,0,0,.4);
   --shadow-glow:   0 0 40px rgba(37,99,235,.15);
   --transition:    .25s cubic-bezier(.4,0,.2,1);
   --max-width:     1200px;
}

/* ── Reset ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
   font-family: 'Inter', system-ui, -apple-system, sans-serif;
   background: var(--bg-primary);
   color: var(--text);
   line-height: 1.6;
   -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Utility ──────────────────────────────────────── */
.container {
   max-width: var(--max-width);
   margin: 0 auto;
   padding: 0 24px;
}
.sr-only {
   position: absolute; width: 1px; height: 1px;
   padding: 0; margin: -1px; overflow: hidden;
   clip: rect(0,0,0,0); border: 0;
}
.tag {
   display: inline-block;
   font-size: .75rem;
   font-weight: 600;
   letter-spacing: .08em;
   text-transform: uppercase;
   color: var(--accent-light);
   background: var(--accent-glow);
   border: 1px solid rgba(59,130,246,.25);
   padding: 4px 14px;
   border-radius: 99px;
   margin-bottom: 16px;
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
   display: inline-flex;
   align-items: center;
   gap: 8px;
   padding: 14px 28px;
   border-radius: var(--radius-sm);
   font-size: .95rem;
   font-weight: 600;
   cursor: pointer;
   border: none;
   transition: var(--transition);
   white-space: nowrap;
}
.btn-primary {
   background: var(--amber);
   color: #000;
}
.btn-primary:hover {
   background: var(--amber-dark);
   transform: translateY(-2px);
   box-shadow: 0 8px 24px rgba(245,158,11,.3);
}
.btn-outline {
   background: transparent;
   color: var(--text);
   border: 1.5px solid rgba(255,255,255,.25);
}
.btn-outline:hover {
   border-color: var(--accent-light);
   color: var(--accent-light);
   transform: translateY(-2px);
}
.btn-blue {
   background: var(--accent);
   color: #fff;
}
.btn-blue:hover {
   background: var(--accent-light);
   transform: translateY(-2px);
   box-shadow: 0 8px 24px var(--accent-glow);
}

/* ── Top Bar ──────────────────────────────────────── */
.topbar {
   background: var(--accent);
   padding: 8px 0;
   font-size: .8rem;
   font-weight: 500;
}
.topbar .container {
   display: flex;
   justify-content: space-between;
   align-items: center;
   gap: 16px;
   flex-wrap: wrap;
}
.topbar a { color: #fff; opacity: .9; }
.topbar a:hover { opacity: 1; }
.topbar-right { display: flex; gap: 20px; align-items: center; }

/* ── Navbar ───────────────────────────────────────── */
.navbar {
   position: sticky;
   top: 0;
   z-index: 100;
   background: rgba(7,12,24,.92);
   backdrop-filter: blur(16px);
   -webkit-backdrop-filter: blur(16px);
   border-bottom: 1px solid var(--border);
   transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,.5); }
.navbar .container {
   display: flex;
   align-items: center;
   justify-content: space-between;
   height: 70px;
   gap: 24px;
}
.navbar-logo img { height: 44px; width: auto; }
.navbar-logo {
   display: flex;
   align-items: center;
}
.nav-links {
   display: flex;
   align-items: center;
   gap: 6px;
}
.nav-links a {
   padding: 8px 14px;
   border-radius: var(--radius-sm);
   font-size: .9rem;
   font-weight: 500;
   color: var(--text-muted);
   transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
   color: var(--text);
   background: rgba(255,255,255,.06);
}
.nav-cta {
   display: flex;
   align-items: center;
   gap: 12px;
}
.nav-phone {
   font-size: .9rem;
   font-weight: 700;
   color: var(--amber);
   display: flex;
   align-items: center;
   gap: 6px;
}
.nav-phone:hover { color: var(--amber-dark); }
.hamburger {
   display: none;
   flex-direction: column;
   gap: 5px;
   background: none;
   border: none;
   cursor: pointer;
   padding: 6px;
}
.hamburger span {
   display: block;
   width: 24px;
   height: 2px;
   background: var(--text);
   border-radius: 2px;
   transition: var(--transition);
}

/* ── Hero ─────────────────────────────────────────── */
.hero {
   position: relative;
   min-height: 88vh;
   display: flex;
   align-items: center;
   overflow: hidden;
   background: linear-gradient(135deg, #04081a 0%, #0a1535 40%, #0d2050 100%);
}
.hero-bg-grid {
   position: absolute;
   inset: 0;
   background-image:
      linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
   background-size: 60px 60px;
}
.hero-bg-glow {
   position: absolute;
   top: -20%;
   right: -10%;
   width: 700px;
   height: 700px;
   background: radial-gradient(ellipse, rgba(37,99,235,.18) 0%, transparent 70%);
   pointer-events: none;
}
.hero-bg-glow-2 {
   position: absolute;
   bottom: -20%;
   left: -10%;
   width: 500px;
   height: 500px;
   background: radial-gradient(ellipse, rgba(245,158,11,.08) 0%, transparent 70%);
   pointer-events: none;
}
.hero .container {
   position: relative;
   z-index: 1;
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: 64px;
   align-items: center;
   padding-top: 60px;
   padding-bottom: 80px;
}
.hero-content { max-width: 580px; }
.hero-eyebrow {
   display: flex;
   align-items: center;
   gap: 12px;
   margin-bottom: 20px;
}
.hero-eyebrow-line {
   width: 40px;
   height: 2px;
   background: var(--amber);
}
.hero-eyebrow-text {
   font-size: .8rem;
   font-weight: 700;
   letter-spacing: .12em;
   text-transform: uppercase;
   color: var(--amber);
}
.hero h1 {
   font-size: clamp(2.2rem, 4vw, 3.4rem);
   font-weight: 800;
   line-height: 1.15;
   letter-spacing: -.02em;
   margin-bottom: 20px;
   color: #fff;
}
.hero h1 span {
   background: linear-gradient(135deg, var(--accent-light), #60a5fa);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
}
.hero-sub {
   font-size: 1.1rem;
   color: var(--text-muted);
   margin-bottom: 36px;
   max-width: 480px;
   line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust {
   display: flex;
   gap: 28px;
   flex-wrap: wrap;
}
.trust-item {
   display: flex;
   align-items: center;
   gap: 8px;
   font-size: .85rem;
   color: var(--text-muted);
}
.trust-icon {
   width: 32px;
   height: 32px;
   border-radius: 50%;
   background: var(--accent-glow);
   border: 1px solid rgba(59,130,246,.2);
   display: flex;
   align-items: center;
   justify-content: center;
   flex-shrink: 0;
}
.trust-icon svg { width: 16px; height: 16px; color: var(--accent-light); }

/* Hero right panel */
.hero-visual {
   position: relative;
}
.hero-cards {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: 14px;
}
.hero-card {
   background: rgba(255,255,255,.04);
   border: 1px solid var(--border);
   border-radius: var(--radius-md);
   padding: 20px;
   transition: var(--transition);
}
.hero-card:hover {
   border-color: var(--border-hover);
   background: rgba(37,99,235,.06);
   transform: translateY(-3px);
}
.hero-card:last-child { grid-column: span 2; display: flex; align-items: center; gap: 16px; }
.hero-card-icon {
   width: 44px;
   height: 44px;
   border-radius: var(--radius-sm);
   background: var(--accent-glow);
   border: 1px solid rgba(59,130,246,.2);
   display: flex;
   align-items: center;
   justify-content: center;
   margin-bottom: 12px;
   flex-shrink: 0;
}
.hero-card:last-child .hero-card-icon { margin-bottom: 0; }
.hero-card-icon svg { width: 22px; height: 22px; color: var(--accent-light); }
.hero-card-title {
   font-size: .9rem;
   font-weight: 600;
   color: var(--text);
   margin-bottom: 4px;
}
.hero-card-desc {
   font-size: .8rem;
   color: var(--text-muted);
}
.hero-card:last-child .hero-card-title { font-size: 1rem; }

/* ── Section Shared ───────────────────────────────── */
section { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
   font-size: clamp(1.8rem, 3vw, 2.6rem);
   font-weight: 800;
   letter-spacing: -.02em;
   line-height: 1.2;
   margin-bottom: 16px;
}
.section-header p {
   font-size: 1.05rem;
   color: var(--text-muted);
   max-width: 580px;
   margin: 0 auto;
}

/* ── Products Section ─────────────────────────────── */
.products { background: var(--bg-surface); }
.products-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
   gap: 20px;
}
.product-card {
   background: var(--bg-card);
   border: 1px solid var(--border);
   border-radius: var(--radius-md);
   padding: 32px 24px;
   text-align: center;
   transition: var(--transition);
   display: flex;
   flex-direction: column;
   align-items: center;
   gap: 14px;
   cursor: default;
}
.product-card:hover {
   border-color: var(--border-hover);
   box-shadow: var(--shadow-glow), var(--shadow-card);
   transform: translateY(-6px);
   background: var(--bg-card-hover);
}
.product-icon {
   width: 72px;
   height: 72px;
   border-radius: var(--radius-md);
   background: var(--accent-glow);
   border: 1px solid rgba(59,130,246,.2);
   display: flex;
   align-items: center;
   justify-content: center;
   transition: var(--transition);
}
.product-card:hover .product-icon {
   background: rgba(37,99,235,.25);
   border-color: rgba(59,130,246,.4);
}
.product-icon img {
   width: 40px;
   height: 40px;
   object-fit: contain;
   filter: brightness(0) invert(1) opacity(.85);
}
.product-card h3 {
   font-size: 1rem;
   font-weight: 700;
}
.product-card p {
   font-size: .875rem;
   color: var(--text-muted);
   line-height: 1.6;
}
.product-link {
   margin-top: 4px;
   font-size: .8rem;
   font-weight: 600;
   color: var(--accent-light);
   display: flex;
   align-items: center;
   gap: 4px;
   transition: var(--transition);
}
.product-card:hover .product-link { gap: 8px; }

/* ── Why Choose Us ────────────────────────────────── */
.why {
   background: var(--bg-primary);
}
.why-grid {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: 64px;
   align-items: center;
}
.why-content h2 {
   font-size: clamp(1.8rem, 3vw, 2.6rem);
   font-weight: 800;
   letter-spacing: -.02em;
   margin-bottom: 20px;
   line-height: 1.2;
}
.why-content > p {
   color: var(--text-muted);
   font-size: 1.05rem;
   margin-bottom: 36px;
   line-height: 1.7;
}
.why-features { display: flex; flex-direction: column; gap: 24px; }
.why-feature {
   display: flex;
   gap: 16px;
   align-items: flex-start;
}
.why-feature-icon {
   width: 44px;
   height: 44px;
   border-radius: var(--radius-sm);
   background: var(--accent-glow);
   border: 1px solid rgba(59,130,246,.2);
   display: flex;
   align-items: center;
   justify-content: center;
   flex-shrink: 0;
}
.why-feature-icon svg { width: 20px; height: 20px; color: var(--accent-light); }
.why-feature-title {
   font-size: .95rem;
   font-weight: 700;
   margin-bottom: 4px;
}
.why-feature-desc {
   font-size: .875rem;
   color: var(--text-muted);
   line-height: 1.6;
}
.why-stats {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: 16px;
}
.stat-card {
   background: var(--bg-card);
   border: 1px solid var(--border);
   border-radius: var(--radius-md);
   padding: 28px 24px;
   text-align: center;
   transition: var(--transition);
}
.stat-card:hover {
   border-color: var(--border-hover);
   transform: translateY(-3px);
}
.stat-number {
   font-size: 2.4rem;
   font-weight: 800;
   color: var(--accent-light);
   line-height: 1;
   margin-bottom: 8px;
}
.stat-label {
   font-size: .85rem;
   color: var(--text-muted);
   font-weight: 500;
}

/* ── Services Strip ───────────────────────────────── */
.services {
   background: var(--accent);
   padding: 64px 0;
}
.services-inner {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
   gap: 2px;
}
.service-item {
   text-align: center;
   padding: 24px 16px;
   background: rgba(0,0,0,.15);
   transition: var(--transition);
}
.service-item:hover { background: rgba(0,0,0,.25); }
.service-item-icon {
   margin: 0 auto 12px;
   width: 44px;
   height: 44px;
   background: rgba(255,255,255,.15);
   border-radius: var(--radius-sm);
   display: flex;
   align-items: center;
   justify-content: center;
}
.service-item-icon svg { width: 22px; height: 22px; color: #fff; }
.service-item-name {
   font-size: .9rem;
   font-weight: 700;
   color: #fff;
}

/* ── Brands ───────────────────────────────────────── */
.brands { background: var(--bg-surface); padding: 80px 0; }
.brands-grid {
   display: flex;
   align-items: center;
   justify-content: center;
   gap: 48px;
   flex-wrap: wrap;
}
.brand-item {
   opacity: .5;
   transition: var(--transition);
   filter: grayscale(1) brightness(2);
}
.brand-item:hover { opacity: 1; filter: grayscale(0) brightness(1); }
.brand-item img {
   height: 44px;
   width: auto;
   object-fit: contain;
}

/* ── CTA Section ──────────────────────────────────── */
.cta-section {
   background: linear-gradient(135deg, #0a1535, #0d2050);
   border-top: 1px solid var(--border);
   border-bottom: 1px solid var(--border);
   padding: 96px 0;
   text-align: center;
   position: relative;
   overflow: hidden;
}
.cta-section::before {
   content: '';
   position: absolute;
   inset: 0;
   background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
   font-size: clamp(1.8rem, 3vw, 2.8rem);
   font-weight: 800;
   letter-spacing: -.02em;
   margin-bottom: 16px;
}
.cta-section p {
   font-size: 1.1rem;
   color: var(--text-muted);
   max-width: 520px;
   margin: 0 auto 36px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ───────────────────────────────────────── */
.footer {
   background: var(--bg-surface);
   border-top: 1px solid var(--border);
   padding: 72px 0 0;
}
.footer-grid {
   display: grid;
   grid-template-columns: 2fr 1fr 1fr 1fr;
   gap: 48px;
   margin-bottom: 56px;
}
.footer-brand img { height: 38px; margin-bottom: 20px; }
.footer-brand p {
   font-size: .875rem;
   color: var(--text-muted);
   line-height: 1.7;
   margin-bottom: 20px;
   max-width: 300px;
}
.footer-phone {
   font-size: 1.2rem;
   font-weight: 800;
   color: var(--amber);
   display: flex;
   align-items: center;
   gap: 8px;
   margin-bottom: 8px;
}
.footer-area {
   font-size: .8rem;
   color: var(--text-subtle);
}
.footer-col h4 {
   font-size: .8rem;
   font-weight: 700;
   letter-spacing: .1em;
   text-transform: uppercase;
   color: var(--text-subtle);
   margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
   font-size: .875rem;
   color: var(--text-muted);
   transition: var(--transition);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
   border-top: 1px solid var(--border);
   padding: 20px 0;
   display: flex;
   justify-content: space-between;
   align-items: center;
   flex-wrap: wrap;
   gap: 12px;
}
.footer-bottom p {
   font-size: .8rem;
   color: var(--text-subtle);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--text); }

/* ── Mobile Nav ───────────────────────────────────── */
.mobile-nav {
   display: none;
   position: fixed;
   inset: 0;
   z-index: 200;
   background: var(--bg-primary);
   padding: 24px;
   flex-direction: column;
   gap: 12px;
}
.mobile-nav.open { display: flex; }
.mobile-nav-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-bottom: 24px;
}
.mobile-nav-close {
   background: none;
   border: none;
   color: var(--text);
   cursor: pointer;
   font-size: 1.5rem;
   line-height: 1;
   padding: 4px;
}
.mobile-nav a {
   display: block;
   padding: 14px 16px;
   border-radius: var(--radius-sm);
   font-size: 1rem;
   font-weight: 500;
   color: var(--text-muted);
   border: 1px solid var(--border);
   transition: var(--transition);
}
.mobile-nav a:hover {
   color: var(--text);
   border-color: var(--accent);
   background: var(--accent-glow);
}
.mobile-nav .btn { margin-top: 12px; text-align: center; justify-content: center; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
   .hero .container { grid-template-columns: 1fr; gap: 48px; }
   .hero-visual { display: none; }
   .hero-content { max-width: 100%; }
   .why-grid { grid-template-columns: 1fr; gap: 48px; }
   .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
   section { padding: 64px 0; }
   .topbar { display: none; }
   .nav-links, .nav-cta { display: none; }
   .hamburger { display: flex; }
   .hero { min-height: 80vh; }
   .hero h1 { font-size: 2rem; }
   .hero-actions { flex-direction: column; }
   .products-grid { grid-template-columns: repeat(2, 1fr); }
   .why-stats { grid-template-columns: 1fr 1fr; }
   .footer-grid { grid-template-columns: 1fr; gap: 32px; }
   .footer-brand { order: -1; }
   .brands-grid { gap: 28px; }
}

@media (max-width: 480px) {
   .products-grid { grid-template-columns: 1fr; }
   .hero-trust { flex-direction: column; gap: 16px; }
   .footer-bottom { flex-direction: column; text-align: center; }
   .why-stats { grid-template-columns: 1fr; }
   .stat-card { padding: 20px; }
}