/* ════════════════════════════════════════════════════════════
   Tech N Byte — Global Design System
   Single source of styling for every page. No inline CSS.
   Fonts: Poppins (headings) + Inter (body), loaded per page.
   ════════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
    --blue-50:  #eff6ff;
    --blue-100: #dbeafe;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    --blue-900: #1e3a8a;

    --green-400: #34d399;
    --green-500: #10b981;
    --green-600: #059669;
    --wa-green:  #25D366;

    --purple-100: #ede9fe;
    --purple-400: #a78bfa;
    --purple-600: #7c3aed;
    --purple-700: #6d28d9;

    --amber-100: #fef3c7;
    --amazon-orange: #FF9900;
    --amazon-dark:   #b45309;

    --rose-100: #ffe4e6;
    --rose-600: #e11d48;

    --cyan-100: #cffafe;
    --cyan-600: #0891b2;

    --slate-50:  #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    --primary:        var(--blue-600);
    --primary-dark:   var(--blue-700);
    --primary-light:  var(--blue-100);
    --accent:         var(--green-500);
    --accent-dark:    var(--green-600);
    --text-dark:      var(--slate-900);
    --text-body:      var(--slate-600);
    --text-muted:     var(--slate-400);
    --bg-page:        #ffffff;
    --bg-subtle:      var(--slate-50);
    --bg-section:     var(--slate-100);
    --border:         var(--slate-200);

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-xs: 0 1px 2px 0 rgb(0 0 0/.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0/.1), 0 1px 2px -1px rgb(0 0 0/.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0/.1), 0 2px 4px -2px rgb(0 0 0/.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0/.1), 0 4px 6px -4px rgb(0 0 0/.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0/.1), 0 8px 10px -6px rgb(0 0 0/.1);

    --nav-h: 68px;
    --transition: 200ms ease;
    --font-head: 'Poppins', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--bg-page);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-head);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; }

.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--primary); color: #fff;
    padding: 0.75rem 1.25rem; border-radius: 0 0 var(--radius) 0;
    z-index: 2000; font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ── Layout Utilities ───────────────────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.text-center { text-align: center; }

.section { padding: 6rem 0; }
.section.tight { padding: 4rem 0; }
.section.subtle { background: var(--bg-subtle); }
.section.dark {
    background:
        radial-gradient(ellipse 60% 50% at 20% 0%, rgba(37,99,235,0.18), transparent),
        radial-gradient(ellipse 50% 40% at 85% 100%, rgba(16,185,129,0.12), transparent),
        var(--slate-950);
    color: #fff;
}

.section-header {
    max-width: 640px;
    margin: 0 auto 3.5rem;
    text-align: center;
}
.section-header.left { margin-left: 0; text-align: left; }

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}
.section-tag.blue   { background: var(--blue-50);    color: var(--blue-700); }
.section-tag.green  { background: #ecfdf5;           color: var(--green-600); }
.section-tag.purple { background: var(--purple-100); color: var(--purple-700); }
.section-tag.orange { background: var(--amber-100);  color: var(--amazon-dark); }
.section-tag.white  { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.85); }

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}
.section-title.white { color: #fff; }

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-body);
    line-height: 1.7;
}
.section-subtitle.light { color: rgba(255,255,255,0.55); }

/* ── Animations ─────────────────────────────────────────────── */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 500ms ease, transform 500ms ease;
}
.fade-in.visible { opacity: 1; transform: none; }
.fade-in.d1 { transition-delay: 60ms; }
.fade-in.d2 { transition-delay: 120ms; }
.fade-in.d3 { transition-delay: 180ms; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .fade-in { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.8125rem 1.75rem;
    border-radius: var(--radius);
    transition: transform 150ms ease, box-shadow 150ms ease, background var(--transition), color var(--transition), border-color var(--transition);
    cursor: pointer;
    touch-action: manipulation;
    min-height: 44px;
}
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-green { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-green:hover { background: var(--accent-dark); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-wa { background: var(--wa-green); color: #063; box-shadow: var(--shadow-sm); font-weight: 700; }
.btn-wa:hover { background: #1ebe5b; box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-amazon { background: var(--amazon-orange); color: var(--slate-900); box-shadow: var(--shadow-sm); font-weight: 700; }
.btn-amazon:hover { background: #f08c00; box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-outline { background: transparent; color: inherit; border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.section.dark .btn-outline, .hero .btn-outline { border-color: rgba(255,255,255,0.25); color: #fff; }
.section.dark .btn-outline:hover, .hero .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.06); color: #fff; }

.btn-light { background: #fff; color: var(--slate-900); box-shadow: var(--shadow-sm); }
.btn-light:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-lg { font-size: 1rem; padding: 0.9375rem 2.25rem; }
.btn-sm { font-size: 0.875rem; padding: 0.625rem 1.25rem; min-height: 40px; }
.btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

/* ── Header / Navigation ────────────────────────────────────── */
#site-header {
    position: fixed;
    inset: 0 0 auto 0;
    height: var(--nav-h);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
#site-header.scrolled {
    background: rgba(255,255,255,0.94);
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-h);
    gap: 1rem;
}

.nav-logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 42px; width: auto; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}
.nav-links > li { position: relative; }
.nav-links a, .nav-links button.nav-drop-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate-700);
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
    min-height: 44px;
}
.nav-links a:hover, .nav-links button.nav-drop-btn:hover { color: var(--primary); background: var(--blue-50); }
.nav-links a.active, .nav-links a[aria-current="page"] { color: var(--primary); font-weight: 600; }

/* Products dropdown */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 260px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
    z-index: 1001;
    list-style: none;
}
.nav-links li:hover > .nav-dropdown,
.nav-links li:focus-within > .nav-dropdown,
.nav-dropdown.open {
    opacity: 1; visibility: visible; transform: none;
}
.nav-dropdown a {
    display: flex;
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}
.nav-dropdown .drop-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0.375rem 0.875rem 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}
.drop-caret { transition: transform 180ms ease; }
.nav-links li:hover .drop-caret, .nav-links li:focus-within .drop-caret { transform: rotate(180deg); }

/* Hamburger */
#menu-toggle {
    display: none;
    width: 44px; height: 44px;
    align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--slate-700);
}
#menu-toggle:hover { background: var(--bg-section); }

/* Mobile nav sheet */
#nav-backdrop {
    position: fixed; inset: 0;
    background: rgba(2,6,23,0.55);
    opacity: 0; visibility: hidden;
    transition: opacity 250ms ease, visibility 250ms;
    z-index: 1100;
}
#mobile-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(340px, 88vw);
    background: #fff;
    z-index: 1200;
    transform: translateX(100%);
    transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    flex-direction: column;
    padding: 1.25rem 1.5rem 2rem;
    overflow-y: auto;
}
#mobile-nav.open { transform: none; }
#mobile-nav.open ~ #nav-backdrop, #nav-backdrop.show { opacity: 1; visibility: visible; }

.mobile-nav-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.5rem;
}
#menu-close {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--slate-600);
}
#menu-close:hover { background: var(--bg-section); }

.nav-mobile-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--slate-800);
    border-bottom: 1px solid var(--slate-100);
    min-height: 48px;
}
.nav-mobile-link:hover { color: var(--primary); }
.nav-mobile-link.sub { padding-left: 1.75rem; font-size: 0.9375rem; color: var(--slate-600); }
.nav-mobile-group {
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--text-muted);
    padding: 1rem 0.5rem 0.25rem;
}
.mobile-nav-cta { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }

/* ── Hero (homepage) ────────────────────────────────────────── */
.hero {
    position: relative;
    padding: calc(var(--nav-h) + 5.5rem) 0 5.5rem;
    background:
        radial-gradient(ellipse 55% 55% at 75% 10%, rgba(37,99,235,0.28), transparent),
        radial-gradient(ellipse 45% 45% at 10% 85%, rgba(16,185,129,0.16), transparent),
        var(--slate-950);
    color: #fff;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 780px; }

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 0.4375rem 1rem;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 800;
    margin-bottom: 1.375rem;
}
.highlight-green {
    background: linear-gradient(90deg, var(--green-400), var(--wa-green));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.highlight-orange {
    background: linear-gradient(90deg, var(--amazon-orange), #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.75;
    max-width: 640px;
    margin-bottom: 2.25rem;
}

.hero-actions { display: flex; gap: 0.875rem; flex-wrap: wrap; margin-bottom: 3.25rem; }

.hero-stats {
    display: flex;
    gap: 2.75rem;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat { display: flex; flex-direction: column; gap: 0.125rem; }
.hero-stat-value { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: #fff; }
.hero-stat-label { font-size: 0.8125rem; color: rgba(255,255,255,0.45); }

/* ── Page hero (sub-pages) ──────────────────────────────────── */
.page-hero {
    position: relative;
    padding: calc(var(--nav-h) + 4rem) 0 4rem;
    background:
        radial-gradient(ellipse 50% 60% at 80% 0%, rgba(37,99,235,0.22), transparent),
        var(--slate-950);
    color: #fff;
    overflow: hidden;
}
.page-hero.green-glow { background: radial-gradient(ellipse 50% 60% at 80% 0%, rgba(16,185,129,0.22), transparent), var(--slate-950); }
.page-hero.purple-glow { background: radial-gradient(ellipse 50% 60% at 80% 0%, rgba(124,58,237,0.25), transparent), var(--slate-950); }
.page-hero.orange-glow { background: radial-gradient(ellipse 50% 60% at 80% 0%, rgba(255,153,0,0.18), transparent), var(--slate-950); }

.page-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    max-width: 760px;
}
.page-hero .lede {
    font-size: 1.0938rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.75;
    max-width: 660px;
}
.page-hero .hero-actions { margin: 2rem 0 0; }

.page-hero-split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.page-hero-art img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    background: #fff;
    padding: 0.75rem;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.45);
    margin-bottom: 1.25rem;
}
.breadcrumbs a { color: rgba(255,255,255,0.65); }
.breadcrumbs a:hover { color: #fff; }
.breadcrumbs .sep { color: rgba(255,255,255,0.25); }

/* ── Amazon cards ───────────────────────────────────────────── */
.amazon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
    max-width: 900px;
    margin: 0 auto;
}
.amazon-card {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.amazon-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--amazon-orange);
}
.amazon-flag { display: inline-block; line-height: 1; }
.amazon-flag svg { display: block; border-radius: 3px; box-shadow: 0 0 0 1px rgba(0,0,0,0.08); }
.amazon-card h3 { font-size: 1.375rem; font-weight: 700; }
.amazon-card p { color: var(--text-body); font-size: 0.9375rem; line-height: 1.7; flex: 1; }
.amazon-card .btn { align-self: flex-start; }

.amazon-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
}

/* Steps (how it works) */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    counter-reset: step;
}
.step-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem 1.75rem;
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 999px;
    background: var(--blue-50);
    color: var(--blue-700);
    font-family: var(--font-head);
    font-weight: 700;
    margin-bottom: 1rem;
}
.step-card h3 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 0.5rem; }
.step-card p { font-size: 0.9063rem; color: var(--text-body); line-height: 1.7; }

/* ── Bento feature grid ─────────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 3rem;
}
.feature-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.feature-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.06);
}
.feature-card h3 { font-size: 1.0625rem; font-weight: 600; color: #fff; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.875rem; color: rgba(255,255,255,0.55); line-height: 1.7; margin-bottom: 1rem; }

/* Light variant for product pages */
.features-grid.on-light .feature-card { background: #fff; border-color: var(--border); }
.features-grid.on-light .feature-card:hover { border-color: var(--slate-300); box-shadow: var(--shadow-md); }
.features-grid.on-light .feature-card h3 { color: var(--text-dark); }
.features-grid.on-light .feature-card p { color: var(--text-body); }

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: var(--radius);
    margin-bottom: 1.125rem;
}
.feature-icon.green  { background: rgba(16,185,129,0.15); color: #34d399; }
.feature-icon.blue   { background: rgba(59,130,246,0.15); color: #93c5fd; }
.feature-icon.purple { background: rgba(168,85,247,0.15); color: #d8b4fe; }
.feature-icon.orange { background: rgba(249,115,22,0.15); color: #fdba74; }
.feature-icon.cyan   { background: rgba(6,182,212,0.15);  color: #67e8f9; }
.feature-icon.rose   { background: rgba(244,63,94,0.15);  color: #fda4af; }
.features-grid.on-light .feature-icon.green  { background: #ecfdf5; color: var(--green-600); }
.features-grid.on-light .feature-icon.blue   { background: var(--blue-50); color: var(--blue-700); }
.features-grid.on-light .feature-icon.purple { background: var(--purple-100); color: var(--purple-700); }
.features-grid.on-light .feature-icon.orange { background: var(--amber-100); color: var(--amazon-dark); }
.features-grid.on-light .feature-icon.cyan   { background: var(--cyan-100); color: var(--cyan-600); }
.features-grid.on-light .feature-icon.rose   { background: var(--rose-100); color: var(--rose-600); }

.feature-pills { display: flex; flex-wrap: wrap; gap: 0.375rem; }
.pill {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.65);
}
.features-grid.on-light .pill { background: var(--bg-section); color: var(--slate-600); }

/* ── Chat modes / small option cards ────────────────────────── */
.chat-modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.mode-card {
    position: relative;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 1.375rem 1.5rem;
}
.mode-card.featured { border-color: var(--green-500); background: rgba(16,185,129,0.07); }
.mode-badge {
    position: absolute;
    top: -10px; right: 14px;
    font-size: 0.6563rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--green-500);
    color: #fff;
    padding: 0.1875rem 0.625rem;
    border-radius: 999px;
}
.mode-name { font-family: var(--font-head); font-weight: 700; color: #fff; margin-bottom: 0.375rem; }
.mode-desc { font-size: 0.8438rem; color: rgba(255,255,255,0.5); line-height: 1.65; }
.modes-label {
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; color: rgba(255,255,255,0.35); margin-bottom: 1rem;
}

/* ── Pricing ────────────────────────────────────────────────── */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}
.plan-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
}
.plan-card.popular { border-color: var(--green-500); background: rgba(16,185,129,0.06); }
.popular-badge {
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--green-500);
    color: #fff;
    padding: 0.25rem 0.875rem;
    border-radius: 999px;
    white-space: nowrap;
}
.plan-name { font-family: var(--font-head); font-size: 1.0625rem; font-weight: 700; color: #fff; margin-bottom: 0.25rem; }
.plan-desc { font-size: 0.8125rem; color: rgba(255,255,255,0.45); margin-bottom: 1.125rem; min-height: 2.4em; }
.plan-price { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 1.25rem; }
.plan-price span { font-size: 0.875rem; font-weight: 500; color: rgba(255,255,255,0.45); }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 0.625rem; margin-bottom: 1.75rem; flex: 1; }
.plan-features li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: rgba(255,255,255,0.7); }
.plan-features svg { color: var(--green-400); flex-shrink: 0; }
.btn-plan-default { background: rgba(255,255,255,0.1); color: #fff; width: 100%; }
.btn-plan-default:hover { background: rgba(255,255,255,0.18); }
.btn-plan-popular { background: var(--green-500); color: #fff; width: 100%; }
.btn-plan-popular:hover { background: var(--green-600); }

/* ── Service / product cards ────────────────────────────────── */
.services-grid, .cards-3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}
.cards-3 { grid-template-columns: repeat(3, 1fr); }

.service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.875rem 1.625rem;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--slate-300); }
.service-card h3 { font-size: 1.0938rem; font-weight: 600; margin-bottom: 0.625rem; }
.service-card p { font-size: 0.9063rem; color: var(--text-body); line-height: 1.7; }
.service-card .card-link { display: inline-flex; align-items: center; gap: 0.375rem; margin-top: 1rem; font-size: 0.875rem; font-weight: 600; color: var(--primary); }
.service-card .card-link:hover { color: var(--primary-dark); }

.service-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px; height: 52px;
    border-radius: var(--radius);
    background: var(--blue-50);
    color: var(--primary);
    margin-bottom: 1.25rem;
    transition: background var(--transition), color var(--transition);
}
.service-card:hover .service-icon-wrap { background: var(--primary); color: #fff; }

/* Product showcase cards (with images) */
.product-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card-img {
    aspect-ratio: 16 / 9;
    background: var(--bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.product-card-img img { max-height: 100%; width: auto; object-fit: contain; }
.product-card-body { padding: 1.5rem 1.625rem 1.75rem; display: flex; flex-direction: column; flex: 1; }
.product-card-body h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; }
.product-card-body p { font-size: 0.9063rem; color: var(--text-body); line-height: 1.7; flex: 1; }
.product-card-body .btn { margin-top: 1.25rem; align-self: flex-start; }
.product-status {
    display: inline-flex;
    align-self: flex-start;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2188rem 0.625rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
}
.product-status.live { background: #ecfdf5; color: var(--green-600); }
.product-status.demo { background: var(--blue-50); color: var(--blue-700); }

/* Bento product showcase (homepage) */
.bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(180px, auto);
    gap: 1.25rem;
}
.bento .span-2 { grid-column: span 2; }
.bento .row-2 { grid-row: span 2; }

/* ── Two-column content blocks ──────────────────────────────── */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}
.split.rev > :first-child { order: 2; }
.split h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-bottom: 1rem; }
.split p { color: var(--text-body); line-height: 1.75; margin-bottom: 1rem; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; margin: 1.25rem 0; }
.check-list li { display: flex; gap: 0.625rem; align-items: flex-start; font-size: 0.9375rem; color: var(--slate-700); line-height: 1.6; }
.check-list svg { color: var(--green-600); flex-shrink: 0; margin-top: 0.2rem; }

/* ── Tech strip ─────────────────────────────────────────────── */
.tech-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding: 2rem 0;
}
.tech-strip img {
    height: 40px; width: auto;
    filter: grayscale(1) opacity(0.55);
    transition: filter var(--transition);
}
.tech-strip img:hover { filter: none; }

/* ── Portfolio ──────────────────────────────────────────────── */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.portfolio-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: #fff;
    transition: transform var(--transition), box-shadow var(--transition);
}
.portfolio-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.portfolio-card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.portfolio-card-media {
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.portfolio-card-media.green  { background: #ecfdf5; color: var(--green-600); }
.portfolio-card-media.blue   { background: var(--blue-50); color: var(--blue-700); }
.portfolio-card-media.purple { background: var(--purple-100); color: var(--purple-700); }
.portfolio-card-body { padding: 1.25rem 1.375rem 1.5rem; }
.portfolio-card-body h3 { font-size: 1.0313rem; font-weight: 600; margin-bottom: 0.375rem; }
.portfolio-card-body p { font-size: 0.875rem; color: var(--text-body); line-height: 1.65; }
.portfolio-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* ── FAQ (details/summary) ──────────────────────────────────── */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.875rem; }
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.125rem 1.375rem;
    font-weight: 600;
    font-size: 0.9688rem;
    cursor: pointer;
    list-style: none;
    min-height: 44px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--text-muted);
    transition: transform 200ms ease;
    flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 1.375rem 1.25rem; font-size: 0.9063rem; color: var(--text-body); line-height: 1.75; }

/* ── CTA band ───────────────────────────────────────────────── */
.cta-band {
    background:
        radial-gradient(ellipse 50% 80% at 50% 0%, rgba(37,99,235,0.35), transparent),
        var(--slate-900);
    border-radius: var(--radius-xl);
    padding: 3.5rem 2.5rem;
    text-align: center;
    color: #fff;
}
.cta-band h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; margin-bottom: 0.875rem; }
.cta-band p { color: rgba(255,255,255,0.6); max-width: 560px; margin: 0 auto 2rem; line-height: 1.7; }
.cta-band .actions { display: flex; gap: 0.875rem; justify-content: center; flex-wrap: wrap; }

.wa-cta-strip { text-align: center; margin-top: 3rem; }
.wa-cta-strip p { margin-top: 1rem; font-size: 0.875rem; color: rgba(255,255,255,0.4); }

/* ── Contact ────────────────────────────────────────────────── */
.contact-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3rem;
    align-items: start;
}
.contact-info-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}
.contact-item { display: flex; flex-direction: column; gap: 0.25rem; text-align: center; }
.contact-label { font-size: 0.8125rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.contact-value { font-size: 1.0625rem; font-weight: 600; }
.contact-value a:hover { color: var(--primary); }

.contact-channels { display: flex; flex-direction: column; gap: 1.25rem; }
.channel-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.375rem 1.5rem;
}
.channel-card .service-icon-wrap { width: 44px; height: 44px; margin: 0; flex-shrink: 0; }
.channel-card h3 { font-size: 0.9688rem; font-weight: 600; margin-bottom: 0.25rem; }
.channel-card p, .channel-card a.val { font-size: 0.9063rem; color: var(--text-body); line-height: 1.65; }
.channel-card a.val { font-weight: 600; color: var(--primary); display: inline-block; }
.channel-card a.val:hover { color: var(--primary-dark); }

.address-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 760px;
    margin: 0 auto;
}
.address-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
}
.address-flag { font-size: 1.75rem; margin-bottom: 0.625rem; }
.address-card h4 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.address-card p { font-size: 0.9063rem; color: var(--text-body); line-height: 1.7; margin-bottom: 0.625rem; }
.phone-link { font-size: 0.9063rem; font-weight: 600; color: var(--primary); }
.phone-link:hover { color: var(--primary-dark); }

/* ── Forms ──────────────────────────────────────────────────── */
.form-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.375rem; margin-bottom: 1.25rem; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--slate-700); }
.form-group label .req { color: var(--rose-600); }
.form-group input,
.form-group select,
.form-group textarea {
    font: inherit;
    font-size: 0.9375rem;
    padding: 0.75rem 0.9375rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-subtle);
    color: var(--text-dark);
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    min-height: 46px;
    width: 100%;
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.form-group input[aria-invalid="true"], .form-group textarea[aria-invalid="true"] { border-color: var(--rose-600); }
.field-error { font-size: 0.8125rem; color: var(--rose-600); display: none; }
.field-error.show { display: block; }
.form-note { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.875rem; }

/* Honeypot — visually removed, still in DOM for bots */
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.form-status { display: none; border-radius: var(--radius); padding: 1rem 1.25rem; font-size: 0.9063rem; margin-bottom: 1.25rem; }
.form-status.show { display: block; }
.form-status.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-status.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.btn .spinner {
    display: none;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
}
.btn.loading .spinner { display: inline-block; }
.btn.loading { pointer-events: none; opacity: 0.85; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Prose (legal pages) ────────────────────────────────────── */
.legal-layout { display: grid; grid-template-columns: 240px 1fr; gap: 3.5rem; align-items: start; }
.legal-toc {
    position: sticky;
    top: calc(var(--nav-h) + 1.5rem);
    border-left: 2px solid var(--border);
    padding-left: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}
.legal-toc a { font-size: 0.8438rem; color: var(--text-body); padding: 0.25rem 0; }
.legal-toc a:hover { color: var(--primary); }
.legal-toc .toc-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 0.375rem; }

.prose { max-width: 720px; }
.prose h2 { font-size: 1.375rem; font-weight: 700; margin: 2.5rem 0 0.875rem; scroll-margin-top: calc(var(--nav-h) + 1rem); }
.prose h3 { font-size: 1.0938rem; font-weight: 600; margin: 1.75rem 0 0.625rem; }
.prose p, .prose li { color: var(--slate-700); line-height: 1.8; font-size: 0.9688rem; }
.prose p { margin-bottom: 1rem; }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.prose li { margin-bottom: 0.375rem; }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.prose .updated { font-size: 0.8438rem; color: var(--text-muted); margin-bottom: 2rem; }

/* ── Footer ─────────────────────────────────────────────────── */
footer.site-footer {
    background: var(--slate-950);
    color: rgba(255,255,255,0.65);
    padding: 4.5rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo-img { height: 36px; width: auto; margin-bottom: 1rem; }
.footer-logo-text { font-family: var(--font-head); font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 0.875rem; }
.footer-brand-desc { font-size: 0.875rem; line-height: 1.75; color: rgba(255,255,255,0.45); margin-bottom: 1.25rem; }
.footer-entities { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; }
.footer-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
}

.footer-social { display: flex; gap: 0.625rem; }
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.65);
    transition: background var(--transition), color var(--transition), transform 150ms ease;
}
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

.footer-col h5 {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.85);
    margin-bottom: 1.125rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.625rem; }
.footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-links a:hover { color: #fff; }

.footer-contact-item { margin-bottom: 0.875rem; }
.footer-contact-label { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.35); margin-bottom: 0.125rem; }
.footer-contact-value a { font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.footer-contact-value a:hover { color: #fff; }

.footer-trust {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-trust a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.45);
    transition: color var(--transition);
}
.footer-trust a:hover { color: #fff; }
.tp-stars { display: inline-flex; gap: 2px; color: #00b67a; }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding-top: 1.75rem;
}
.footer-copyright { font-size: 0.8125rem; color: rgba(255,255,255,0.35); }
.footer-bottom-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-bottom-links a { font-size: 0.8125rem; color: rgba(255,255,255,0.35); transition: color var(--transition); }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.8); }

/* ── 404 ────────────────────────────────────────────────────── */
.error-page {
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    text-align: center;
    padding: calc(var(--nav-h) + 3rem) 0 4rem;
}
.error-code {
    font-family: var(--font-head);
    font-size: clamp(5rem, 15vw, 9rem);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--blue-600), var(--green-500));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
}
.error-page h1 { font-size: 1.75rem; margin-bottom: 0.75rem; }
.error-page p { color: var(--text-body); max-width: 460px; margin: 0 auto 2rem; }
.error-page .actions { display: flex; gap: 0.875rem; justify-content: center; flex-wrap: wrap; }

/* ── World map backdrop (about / amazon) ────────────────────── */
.map-section { position: relative; overflow: hidden; }
.map-section .map-bg {
    position: absolute;
    inset: 0;
    background: url("../images/world-map.svg") center / 80% no-repeat;
    opacity: 0.06;
    pointer-events: none;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .nav-links { display: none; }
    #menu-toggle { display: inline-flex; }
    .features-grid, .steps-grid, .portfolio-grid, .cards-3 { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .bento { grid-template-columns: repeat(2, 1fr); }
    .split, .page-hero-split, .contact-layout { grid-template-columns: 1fr; }
    .split.rev > :first-child { order: 0; }
    .page-hero-art { max-width: 480px; }
    .legal-layout { grid-template-columns: 1fr; }
    .legal-toc { position: static; border-left: none; padding-left: 0; flex-direction: row; flex-wrap: wrap; gap: 0.375rem 1.25rem; margin-bottom: 2rem; }
}

@media (max-width: 640px) {
    .section { padding: 4rem 0; }
    .features-grid, .steps-grid, .portfolio-grid, .cards-3,
    .services-grid, .pricing-grid, .chat-modes,
    .amazon-grid, .address-grid, .bento, .form-row { grid-template-columns: 1fr; }
    .bento .span-2 { grid-column: span 1; }
    .hero { padding: calc(var(--nav-h) + 3.5rem) 0 4rem; }
    .hero-stats { gap: 1.75rem; }
    .hero-actions .btn { width: 100%; }
    .cta-band { padding: 2.5rem 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .contact-info-row { gap: 1.5rem; }
    .form-card { padding: 1.5rem; }
    .tech-strip { gap: 1.75rem; }
    .tech-strip img { height: 32px; }
}