/* ============================================
   SalesLens AI — Design System
   Dark luxury: Obsidian bg, Gold accent, Crisp white text
   Fonts: Cabinet Grotesk (display) + Satoshi (body)
   ============================================ */

@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@700,800,900&f[]=satoshi@400,500,700&display=swap');

/* ——— Design Tokens ——— */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    7rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* SalesLens Dark Luxury Palette */
  --color-bg:         #0A0A0A;
  --color-surface:    #111111;
  --color-surface-2:  #181818;
  --color-border:     #2A2A2A;
  --color-divider:    #1E1E1E;

  --color-text:       #EBEBEB;
  --color-text-muted: #888888;
  --color-text-faint: #444444;

  --color-gold:       #C9A84C;
  --color-gold-light: #E8C96A;
  --color-gold-dim:   rgba(201, 168, 76, 0.15);
  --color-gold-glow:  rgba(201, 168, 76, 0.08);

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Arial Black', sans-serif;
  --font-body:    'Satoshi', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 32px rgba(201, 168, 76, 0.15);

  /* Layout */
  --content-narrow:  640px;
  --content-default: 980px;
  --content-wide:    1200px;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--color-gold-dim); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ——— Layout Utilities ——— */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 4vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}

/* ——— Navigation ——— */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow);
}
.nav.scrolled {
  border-color: var(--color-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 4vw, var(--space-16));
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.nav__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.nav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.nav__logo-text span { color: var(--color-gold); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.nav__links a:hover,
.nav__links a.active { color: var(--color-text); }
.nav__links a.active { color: var(--color-gold); }

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile menu toggle */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  padding: var(--space-8) clamp(var(--space-6), 4vw, var(--space-16));
  border-bottom: 1px solid var(--color-border);
  z-index: 99;
  flex-direction: column;
  gap: var(--space-4);
}
.nav__mobile-menu.open { display: flex; }
.nav__mobile-menu a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.nav__mobile-menu a:hover { color: var(--color-gold); }
.nav__mobile-menu .btn { width: 100%; text-align: center; margin-top: var(--space-4); }

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-body);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}
.btn--primary {
  background: var(--color-gold);
  color: #0A0A0A;
  border-color: var(--color-gold);
}
.btn--primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(201, 168, 76, 0.3);
}
.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
  padding-inline: var(--space-4);
}
.btn--ghost:hover { color: var(--color-text); }
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ——— Badge ——— */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge--gold {
  background: var(--color-gold-dim);
  color: var(--color-gold);
  border: 1px solid rgba(201, 168, 76, 0.3);
}
.badge--dot::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

/* ——— Section Label ——— */
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

/* ——— Cards ——— */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition-slow);
}
.card:hover {
  border-color: rgba(201, 168, 76, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

/* ——— Gold Divider ——— */
.gold-line {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  border-radius: 2px;
  margin-bottom: var(--space-6);
}

/* ——— Footer ——— */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16);
  margin-top: var(--space-16);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 28ch;
  line-height: 1.7;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer__logo img { width: 32px; height: 32px; object-fit: contain; }
.footer__logo span {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer__logo span em { font-style: normal; color: var(--color-gold); }

.footer__col h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col ul li a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--color-gold); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__bottom a { color: var(--color-text-faint); transition: color var(--transition); }
.footer__bottom a:hover { color: var(--color-gold); }

@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
}
@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
}

/* ——— Page Hero (inner pages) ——— */
.page-hero {
  padding-top: calc(72px + clamp(var(--space-16), 8vw, var(--space-24)));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse at 50% 0%, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: var(--text-3xl);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}
.page-hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-inline: auto;
  line-height: 1.6;
}

/* ——— Forms ——— */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-faint); }
.form-group select option { background: var(--color-surface); }

/* ——— Prose (text content) ——— */
.prose h2 { font-size: var(--text-xl); margin-top: var(--space-10); margin-bottom: var(--space-4); }
.prose h3 { font-size: var(--text-lg); margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose p { margin-bottom: var(--space-5); color: var(--color-text-muted); line-height: 1.75; }
.prose ul { margin-bottom: var(--space-5); padding-left: var(--space-6); }
.prose ul li { margin-bottom: var(--space-2); color: var(--color-text-muted); }
.prose strong { color: var(--color-text); }

/* ——— Animations ——— */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-fade-up { animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ——— Page content offset for fixed nav ——— */
.page-content { padding-top: 72px; }

/* ——— Success message ——— */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-12);
}
.form-success .success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-gold-dim);
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: 1.5rem;
}
.form-success h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.form-success p { color: var(--color-text-muted); max-width: 40ch; margin-inline: auto; }