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

:root {
    --primary: #4400FF;
    --primary-light: #6633FF;
    --primary-bg: rgba(68, 0, 255, 0.08);
    --primary-bg-hover: rgba(68, 0, 255, 0.15);
    --foreground: #0a0a0a;
    --background: #fafafa;
    --card: #ffffff;
    --card-foreground: #0a0a0a;
    --muted: #737373;
    --muted-light: #a3a3a3;
    --border: #e5e5e5;
    --secondary-bg: #f5f3ff;
    --dark-bg: #0a0a0a;
    --dark-text: #fafafa;
    --dark-muted: rgba(250, 250, 250, 0.5);
    --dark-border: rgba(250, 250, 250, 0.1);
    --whatsapp: #25D366;
    --radius: 0.5rem;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--foreground);
    background: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── Utility ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.5rem; padding: 0.75rem 1.75rem;
    border-radius: var(--radius); font-size: 0.9375rem; font-weight: 600;
    transition: all 0.2s ease; border: none; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); }
.btn-outline {
    background: transparent; color: var(--dark-text);
    border: 1px solid rgba(250,250,250,0.2);
}
.btn-outline:hover { background: rgba(250,250,250,0.1); }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: #20bd5a; transform: translateY(-1px); }
.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; }

/* ── SVG Icons inline ── */
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 24px; height: 24px; }
.icon-xl { width: 28px; height: 28px; }

/* ═══════════════════════════════════
    NAVBAR
═══════════════════════════════════ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(250,250,250,0.85); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.navbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.75rem 0; max-width: 1200px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem;
}
.navbar-logo { height: 40px; width: auto; }
.navbar-links { display: flex; align-items: center; gap: 2rem; }
.navbar-links a {
    font-size: 0.875rem; font-weight: 500; color: var(--muted);
    transition: color 0.2s;
}
.navbar-links a:hover { color: var(--foreground); }
.navbar-cta { display: flex; align-items: center; gap: 0.75rem; }
.mobile-toggle {
    display: none; background: none; border: none;
    color: var(--foreground); padding: 0.25rem;
}
.mobile-menu {
    display: none; flex-direction: column; gap: 0.25rem;
    padding: 1rem 1.5rem; border-top: 1px solid var(--border);
    background: var(--background);
}
.mobile-menu a {
    display: block; padding: 0.625rem 0.75rem; border-radius: var(--radius);
    font-size: 0.875rem; font-weight: 500; color: var(--muted);
    transition: all 0.2s;
}
.mobile-menu a:hover { background: var(--secondary-bg); color: var(--foreground); }
.mobile-menu.open { display: flex; }

@media (max-width: 1023px) {
    .navbar-links, .navbar-cta { display: none; }
    .mobile-toggle { display: block; }
}

/* ═══════════════════════════════════
    HERO
═══════════════════════════════════ */
.hero {
    position: relative; overflow: hidden;
    background: var(--dark-bg); padding: 8rem 0 5rem;
}
.hero-grid-pattern {
    position: absolute; inset: 0; opacity: 0.03;
    background-image:
    linear-gradient(to right, white 1px, transparent 1px),
    linear-gradient(to bottom, white 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}
.hero-inner {
    position: relative; display: flex; flex-direction: column; gap: 3rem;
    align-items: flex-start;
}
.hero-content { flex: 1; max-width: 640px; }
.hero-tag {
    display: inline-block; margin-bottom: 1rem;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.15em; color: var(--primary-light);
}
.hero h1 {
    font-family: var(--font-heading); font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700; line-height: 1.1; color: var(--dark-text);
    letter-spacing: -0.025em;
}
.hero-desc {
    margin-top: 1.5rem; font-size: 1.125rem; line-height: 1.7;
    color: var(--dark-muted);
}
.hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }
.hero-stats {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: 2rem; margin-top: 3rem;
    border-top: 1px solid var(--dark-border); padding-top: 2rem;
}
.hero-stat-val { font-size: 1.5rem; font-weight: 700; color: var(--dark-text); }
.hero-stat-label { font-size: 0.75rem; color: var(--dark-muted); }
.hero-stat-divider { width: 1px; height: 2rem; background: var(--dark-border); }
.hero-images { position: relative; flex: 1; width: 100%; }
.hero-img-main {
    border-radius: var(--radius); border: 1px solid var(--dark-border);
    overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}
.hero-img-float {
    position: absolute; bottom: -1rem; left: -1rem;
    width: 180px; border-radius: var(--radius);
    border: 1px solid var(--dark-border); overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
@media (min-width: 1024px) {
    .hero { padding: 10rem 0 7rem; }
    .hero-inner { flex-direction: row; align-items: center; gap: 4rem; }
    .hero-images { max-width: 500px; }
    .hero-img-float { width: 220px; }
}

/* ═══════════════════════════════════
    SECTION HEADERS (reusable)
═══════════════════════════════════ */
.section-tag {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.15em; color: var(--primary);
}
.section-title {
    margin-top: 0.75rem; font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700;
    line-height: 1.15; color: var(--foreground); letter-spacing: -0.02em;
}
.section-desc {
    margin-top: 1rem; font-size: 1.125rem; line-height: 1.7;
    color: var(--muted);
}
.section-header { text-align: center; max-width: 640px; margin: 0 auto; }

/* ═══════════════════════════════════
    SERVICES
═══════════════════════════════════ */
.services { padding: 5rem 0; }
.services-grid {
    display: grid; gap: 1.5rem; margin-top: 4rem;
    grid-template-columns: 1fr;
}
.service-card {
    padding: 1.5rem; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--card);
    transition: all 0.25s;
}
.service-card:hover {
    border-color: rgba(68,0,255,0.3);
    box-shadow: 0 4px 16px rgba(68,0,255,0.06);
}
.service-icon {
    display: flex; align-items: center; justify-content: center;
    width: 2.5rem; height: 2.5rem; border-radius: 0.375rem;
    background: var(--primary-bg); color: var(--primary);
    margin-bottom: 0.75rem; transition: all 0.25s;
}
.service-card:hover .service-icon { background: var(--primary); color: #fff; }
.service-card h3 {
    font-size: 1rem; font-weight: 600; color: var(--card-foreground);
    margin-bottom: 0.5rem;
}
.service-card p { font-size: 0.875rem; line-height: 1.6; color: var(--muted); }

@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(4, 1fr); } }

/* ═══════════════════════════════════
    SYSTEM SHOWCASE
═══════════════════════════════════ */
.showcase { background: var(--dark-bg); padding: 5rem 0; }
.showcase .section-title { color: var(--dark-text); }
.showcase .section-desc { color: rgba(250,250,250,0.6); }
.tabs { display: flex; justify-content: center; margin-top: 3rem; }
.tabs-list {
    display: inline-flex; background: rgba(250,250,250,0.1);
    border-radius: var(--radius); padding: 0.25rem; gap: 0.25rem;
}
.tab-btn {
    padding: 0.625rem 1.25rem; border-radius: calc(var(--radius) - 2px);
    font-size: 0.875rem; font-weight: 500;
    color: rgba(250,250,250,0.6); background: transparent;
    border: none; transition: all 0.2s; white-space: nowrap;
}
.tab-btn.active { background: var(--primary); color: #fff; }
.tab-btn:hover:not(.active) { color: rgba(250,250,250,0.9); }
.tab-content { margin-top: 2rem; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-image {
    border-radius: var(--radius); border: 1px solid var(--dark-border);
    overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}
.tab-desc {
    margin-top: 1.5rem; text-align: center; max-width: 640px;
    margin-left: auto; margin-right: auto;
    font-size: 1rem; line-height: 1.7; color: rgba(250,250,250,0.6);
}
@media (max-width: 639px) {
    .tab-btn { padding: 0.5rem 0.75rem; font-size: 0.8125rem; }
    .tab-btn .tab-full { display: none; }
    .tab-btn .tab-short { display: inline; }
}
@media (min-width: 640px) {
    .tab-btn .tab-short { display: none; }
    .tab-btn .tab-full { display: inline; }
}

/* ═══════════════════════════════════
    DIFFERENTIATORS
═══════════════════════════════════ */
.differentiators { background: var(--secondary-bg); padding: 5rem 0; }
.diff-grid {
    display: grid; gap: 3rem; margin-top: 4rem;
    grid-template-columns: 1fr;
}
.diff-item { text-align: center; }
.diff-icon {
    display: flex; align-items: center; justify-content: center;
    width: 3.5rem; height: 3.5rem; border-radius: 50%;
    background: var(--primary); color: #fff;
    margin: 0 auto 1rem;
}
.diff-item h3 { font-size: 1.125rem; font-weight: 600; color: var(--foreground); }
.diff-item p { margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.6; color: var(--muted); }

@media (min-width: 640px) { .diff-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .diff-grid { grid-template-columns: repeat(4, 1fr); } }

/* ═══════════════════════════════════
    ABOUT
═══════════════════════════════════ */
.about { padding: 5rem 0; }
.about-inner {
    display: grid; gap: 4rem; align-items: center;
    grid-template-columns: 1fr;
}
.about-text h2 { margin-top: 0.75rem; }
.about-text p { margin-top: 1.5rem; font-size: 1.125rem; line-height: 1.7; color: var(--muted); }
.about-text p + p { margin-top: 1rem; font-size: 1rem; }
.cred-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr 1fr; }
.cred-card {
    padding: 1.5rem; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--card);
}
.cred-card-icon { color: var(--primary); margin-bottom: 0.75rem; }
.cred-card h3 { font-size: 0.9375rem; font-weight: 600; color: var(--card-foreground); }
.cred-card .cred-subtitle { font-size: 0.875rem; color: var(--muted); margin-top: 0.25rem; }
.cred-card .cred-desc { font-size: 0.75rem; line-height: 1.6; color: var(--muted); margin-top: 0.5rem; }

@media (min-width: 1024px) {
    .about-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
    .cred-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════
    TESTIMONIALS
═══════════════════════════════════ */
.testimonials { background: var(--secondary-bg); padding: 5rem 0; }
.test-grid {
    display: grid; gap: 2rem; margin-top: 4rem;
    grid-template-columns: 1fr;
}
.test-card {
    padding: 1.5rem; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--card);
}
.test-quote-icon { color: rgba(68,0,255,0.3); margin-bottom: 1rem; }
.test-card blockquote { font-size: 1rem; line-height: 1.6; color: var(--card-foreground); }
.test-card-footer { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.test-card-name { font-weight: 600; color: var(--card-foreground); }
.test-card-company { font-size: 0.875rem; color: var(--muted); }

@media (min-width: 640px) { .test-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .test-grid { grid-template-columns: repeat(3, 1fr); } }

/* ═══════════════════════════════════
    CONTACT
═══════════════════════════════════ */
.contact { padding: 5rem 0; }
.contact-inner {
    display: grid; gap: 4rem; grid-template-columns: 1fr;
}
.contact-info h2 { margin-top: 0.75rem; }
.contact-info > p { margin-top: 1.5rem; font-size: 1.125rem; line-height: 1.7; color: var(--muted); }
.contact-details { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 2.5rem; }
.contact-detail { display: flex; align-items: center; gap: 1rem; }
.contact-detail-icon {
    display: flex; align-items: center; justify-content: center;
    width: 2.5rem; height: 2.5rem; border-radius: 0.375rem;
    background: var(--primary-bg); color: var(--primary); flex-shrink: 0;
}
.contact-detail-label { font-size: 0.875rem; font-weight: 500; color: var(--foreground); }
.contact-detail-value { font-size: 0.875rem; color: var(--muted); }

.contact-form-box {
    padding: 2rem; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--card);
}
.form-group { display: flex; flex-direction: column; gap: 0.375rem; }
.form-group + .form-group { margin-top: 1.25rem; }
.form-group label { font-size: 0.875rem; font-weight: 500; color: var(--foreground); }
.form-group input, .form-group textarea {
    padding: 0.625rem 0.875rem; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 0.9375rem;
    font-family: var(--font-sans); color: var(--foreground);
    background: var(--background); transition: border-color 0.2s;
    outline: none; width: 100%;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { margin-top: 1.5rem; }
.success-msg {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; padding: 4rem 1rem; text-align: center;
}
.success-icon {
    display: flex; align-items: center; justify-content: center;
    width: 3.5rem; height: 3.5rem; border-radius: 50%;
    background: var(--primary-bg); color: var(--primary);
    margin-bottom: 1rem;
}
.success-msg h3 { font-size: 1.25rem; font-weight: 600; color: var(--card-foreground); }
.success-msg p { margin-top: 0.5rem; color: var(--muted); }

@media (min-width: 1024px) {
    .contact-inner { grid-template-columns: 1fr 1fr; }
}

/* ═══════════════════════════════════
    FOOTER
═══════════════════════════════════ */
.footer { background: var(--dark-bg); border-top: 1px solid var(--border); }
.footer-inner {
    display: flex; flex-direction: column; align-items: center;
    gap: 2rem; padding: 3rem 0;
}
.footer-brand { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.footer-logo { height: 36px; width: auto; filter: brightness(0) invert(1); }
.footer-desc {
    max-width: 320px; text-align: center;
    font-size: 0.875rem; color: var(--dark-muted);
}
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 2rem; }
.footer-links a { font-size: 0.875rem; color: var(--dark-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--dark-text); }
.footer-bottom {
    border-top: 1px solid var(--dark-border); padding-top: 1.5rem;
    text-align: center; margin-top: 1rem;
}
.footer-bottom p { font-size: 0.75rem; color: rgba(250,250,250,0.4); }

@media (min-width: 1024px) {
    .footer-inner { flex-direction: row; justify-content: space-between; }
    .footer-brand { align-items: flex-start; }
    .footer-desc { text-align: left; }
}

/* ═══════════════════════════════════
    WHATSAPP FAB
═══════════════════════════════════ */
.whatsapp-fab {
    position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 100;
    display: flex; align-items: center; justify-content: center;
    width: 3.5rem; height: 3.5rem; border-radius: 50%;
    background: var(--whatsapp); color: #fff;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    transition: transform 0.2s;
}
.whatsapp-fab:hover { transform: scale(1.1); }