/* ==========================================================
   DialBot — AI Sales Agent landing page
   Modern AI / techy, dark-default with light mode toggle
   ========================================================== */

:root {
  /* Accent ramp — switched by [data-accent] */
  --accent-ll: #8ff5cf;
  --accent-l: #5cf0bb;
  --accent: #2ee6a8;
  --accent-d: #0f9b72;
  --accent-dd: #0a7a5a;
  --accent-ink: #07140f;
  --accent-rgb: 46 230 168;
  --accent2-ll: #5eead4;
  --accent2-l: #2dd4bf;
  --accent2: #14b8a6;
  --accent2-rgb: 20 184 166;
}

/* Deep Emerald — deeper, less neon; reads premium */
[data-accent="emerald"] {
  --accent-ll: #a7f3d0; --accent-l: #34d399; --accent: #10b981;
  --accent-d: #047857; --accent-dd: #065f46; --accent-ink: #022c22;
  --accent-rgb: 16 185 129;
  --accent2-ll: #99f6e4; --accent2-l: #2dd4bf; --accent2: #0d9488; --accent2-rgb: 13 148 136;
}

/* Jade & Gold — green base with warm gold secondary */
[data-accent="jade"] {
  --accent-ll: #99f6e4; --accent-l: #2dd4bf; --accent: #0ea47a;
  --accent-d: #056c52; --accent-dd: #04543f; --accent-ink: #02231b;
  --accent-rgb: 14 164 122;
  --accent2-ll: #fde68a; --accent2-l: #fbbf24; --accent2: #d97706; --accent2-rgb: 217 119 6;
}

/* Teal — cooler, calmer, enterprise */
[data-accent="teal"] {
  --accent-ll: #99f6e4; --accent-l: #2dd4bf; --accent: #14b8a6;
  --accent-d: #0f766e; --accent-dd: #115e59; --accent-ink: #042f2e;
  --accent-rgb: 20 184 166;
  --accent2-ll: #bae6fd; --accent2-l: #38bdf8; --accent2: #0284c7; --accent2-rgb: 2 132 199;
}

/* Signal — green primary, electric blue secondary */
[data-accent="signal"] {
  --accent-ll: #bbf7d0; --accent-l: #4ade80; --accent: #16a34a;
  --accent-d: #15803d; --accent-dd: #14532d; --accent-ink: #052e16;
  --accent-rgb: 22 163 74;
  --accent2-ll: #c7d2fe; --accent2-l: #60a5fa; --accent2: #2563eb; --accent2-rgb: 37 99 235;
}

:root {
  /* Dark (default) */
  --bg: #070b09;
  --bg-1: #0a100d;
  --bg-2: #0d1512;
  --surface: #101916;
  --surface-2: #14201c;
  --line: rgba(140, 200, 180, 0.12);
  --line-strong: rgba(140, 200, 180, 0.22);
  --ink: #eafff7;
  --ink-2: #b8ccc5;
  --ink-3: #7d948c;
  --ink-4: #93aca3;

  --indigo: var(--accent);
  --indigo-2: var(--accent-l);
  --indigo-3: var(--accent-ll);
  --indigo-glow: rgb(var(--accent-rgb) / 0.55);
  --violet: var(--accent2);
  --cyan: #38bdf8;
  --emerald: #10b981;
  --amber: #f59e0b;
  --rose: #f43f5e;

  --grad-hero: radial-gradient(60% 80% at 50% 0%, rgb(var(--accent-rgb) / 0.35) 0%, rgb(var(--accent-rgb) / 0) 60%),
               radial-gradient(40% 60% at 85% 30%, rgb(var(--accent2-rgb) / 0.25) 0%, rgb(var(--accent2-rgb) / 0) 60%),
               radial-gradient(50% 70% at 10% 60%, rgba(56, 189, 248,0.18) 0%, rgba(56, 189, 248,0) 60%);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.35), 0 2px 6px rgba(0,0,0,0.25);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.55), 0 8px 16px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 0 1px rgb(var(--accent-rgb) / 0.35), 0 20px 60px -10px rgb(var(--accent-rgb) / 0.45);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --anim: 1; /* multiplier for animation intensity (0..1.5) */
}

[data-theme="light"] {
  --bg: #fafbff;
  --bg-1: #f3f5fc;
  --bg-2: #eceff9;
  --surface: #ffffff;
  --surface-2: #f6f7fc;
  --line: rgba(15, 20, 50, 0.08);
  --line-strong: rgba(15, 20, 50, 0.16);
  --ink: #071411;
  --ink-2: #1f2541;
  --ink-3: #4a5072;
  --ink-4: #4a5072;
  --shadow-md: 0 8px 24px rgba(20, 25, 60, 0.08), 0 2px 6px rgba(20, 25, 60, 0.04);
  --shadow-lg: 0 24px 60px rgba(20, 25, 60, 0.12), 0 8px 16px rgba(20, 25, 60, 0.06);
  --grad-hero: radial-gradient(60% 80% at 50% 0%, rgb(var(--accent-rgb) / 0.18) 0%, rgb(var(--accent-rgb) / 0) 60%),
               radial-gradient(40% 60% at 85% 30%, rgb(var(--accent2-rgb) / 0.12) 0%, rgb(var(--accent2-rgb) / 0) 60%),
               radial-gradient(50% 70% at 10% 60%, rgba(56, 189, 248,0.10) 0%, rgba(56, 189, 248,0) 60%);
}

[data-theme="light"] .plan.featured .plan-name { color: var(--accent-dd); }
[data-theme="light"] .brand-word em, [data-theme="light"] .foot-name em { color: var(--accent-d); }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01', 'cv11';
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  background:
    radial-gradient(1200px 600px at 50% -200px, rgb(var(--accent-rgb) / 0.18), transparent 60%),
    radial-gradient(800px 500px at 100% 10%, rgb(var(--accent2-rgb) / 0.10), transparent 60%),
    var(--bg);
}

::selection { background: var(--indigo); color: #fff; }

/* ==========================================================
   Typography
   ========================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--indigo-3);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--indigo-2);
  box-shadow: 0 0 10px var(--indigo);
}

.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, var(--indigo-3) 50%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg, var(--ink) 0%, var(--indigo) 70%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================
   Layout
   ========================================================== */

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

section {
  position: relative;
  padding: 120px 0;
}
@media (max-width: 720px) { section { padding: 80px 0; } }

.section-head {
  max-width: 760px;
  margin-bottom: 64px;
}
.section-head h2 {
  font-size: clamp(36px, 5vw, 56px);
  margin-top: 16px;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 18px;
  color: var(--ink-3);
  margin: 0;
  max-width: 620px;
}

/* ==========================================================
   Buttons
   ========================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-l) 0%, var(--accent) 60%, var(--accent-d) 110%);
  color: var(--accent-ink);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  box-shadow: 0 0 0 1px rgb(var(--accent-rgb) / 0.5), 0 24px 70px -10px rgb(var(--accent-rgb) / 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--line-strong); }

.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ==========================================================
   Nav
   ========================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink);
  text-decoration: none;
}
.brand-type { display: flex; flex-direction: column; gap: 1px; }
.brand-word { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; line-height: 1; }
.brand-word em { font-style: normal; color: var(--indigo); }
.brand-tag { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.brand-badge {
  font-family: var(--font-mono); font-size: 9px; font-weight: 500; letter-spacing: 0.14em;
  padding: 3px 8px; border-radius: 999px; color: var(--amber);
  border: 1px solid color-mix(in oklab, var(--amber) 40%, transparent);
  background: color-mix(in oklab, var(--amber) 12%, transparent);
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent-l), var(--accent) 60%, var(--accent-d));
  display: grid; place-items: center;
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 6px 20px -4px rgb(var(--accent-rgb) / 0.6);
  position: relative;
  overflow: hidden;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.5), transparent 50%);
}
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; gap: 12px; align-items: center; }

@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* ==========================================================
   Pills / chips / tags
   ========================================================== */

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
  backdrop-filter: blur(10px);
}
.pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

/* Card */
.card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 92%, transparent), color-mix(in oklab, var(--surface-2) 92%, transparent));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}

/* ==========================================================
   Animations utilities
   ========================================================== */

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes spin-slow {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes count-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes draw-line {
  to { stroke-dashoffset: 0; }
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ==========================================================
   Scrollbars (subtle)
   ========================================================== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }