/* ============================================================
   PRIMARE DESIGN SYSTEM v1.0
   Plain CSS — No framework dependencies
   Dark-first, conversion-optimized, polished
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS — CSS Custom Properties
   ============================================================ */

:root {

  /* --- COLOR TOKENS --- */

  /* Base Palette */
  --clr-void:         #050810;    /* deepest bg — page canvas */
  --clr-base:         #0a0f1c;    /* standard dark bg */
  --clr-surface:      #111827;    /* cards, panels */
  --clr-elevated:     #1a2235;    /* raised cards, modals */
  --clr-overlay:      #212d45;    /* hover states, tooltips */

  /* Borders */
  --clr-border-subtle:  rgba(255, 255, 255, 0.06);
  --clr-border-default: rgba(255, 255, 255, 0.10);
  --clr-border-strong:  rgba(255, 255, 255, 0.18);
  --clr-border-accent:  rgba(99, 160, 255, 0.35);

  /* Brand — Electric Blue */
  --clr-brand-50:   #eff6ff;
  --clr-brand-100:  #dbeafe;
  --clr-brand-200:  #bfdbfe;
  --clr-brand-300:  #93c5fd;
  --clr-brand-400:  #63a0ff;   /* primary accent */
  --clr-brand-500:  #3b82f6;   /* CTAs */
  --clr-brand-600:  #2563eb;   /* hover */
  --clr-brand-700:  #1d4ed8;
  --clr-brand-800:  #1e40af;
  --clr-brand-900:  #1e3a8a;

  /* Semantic aliases */
  --clr-accent:        var(--clr-brand-400);
  --clr-accent-dim:    rgba(99, 160, 255, 0.15);
  --clr-accent-glow:   rgba(59, 130, 246, 0.4);
  --clr-cta:           var(--clr-brand-500);
  --clr-cta-hover:     var(--clr-brand-600);

  /* Text */
  --clr-text-primary:   #f1f5f9;
  --clr-text-secondary: #94a3b8;
  --clr-text-muted:     #64748b;
  --clr-text-inverse:   #0a0f1c;
  --clr-text-accent:    var(--clr-brand-400);

  /* Status */
  --clr-success:       #22c55e;
  --clr-success-dim:   rgba(34, 197, 94, 0.15);
  --clr-warning:       #f59e0b;
  --clr-warning-dim:   rgba(245, 158, 11, 0.15);
  --clr-error:         #ef4444;
  --clr-error-dim:     rgba(239, 68, 68, 0.15);
  --clr-info:          #06b6d4;
  --clr-info-dim:      rgba(6, 182, 212, 0.15);

  /* --- GRADIENTS --- */
  --grad-brand:        linear-gradient(135deg, var(--clr-brand-400) 0%, var(--clr-brand-600) 100%);
  --grad-brand-text:   linear-gradient(135deg, #93c5fd 0%, #63a0ff 40%, #3b82f6 100%);
  --grad-hero:         linear-gradient(160deg, #0a0f1c 0%, #0d1528 50%, #0a0f1c 100%);
  --grad-card:         linear-gradient(135deg, rgba(26, 34, 53, 0.9) 0%, rgba(17, 24, 39, 0.9) 100%);
  --grad-surface:      linear-gradient(180deg, var(--clr-surface) 0%, var(--clr-base) 100%);
  --grad-glow-center:  radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59,130,246,0.25) 0%, transparent 70%);
  --grad-glow-left:    radial-gradient(ellipse 60% 60% at -10% 50%, rgba(59,130,246,0.18) 0%, transparent 65%);
  --grad-shine:        linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.05) 50%, transparent 60%);

  /* --- TYPOGRAPHY --- */
  --font-sans:    'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;
  --font-display: var(--font-sans); /* swap to a display face if licensing allows */

  /* Type Scale — Major Third (1.25) */
  --text-2xs:  0.625rem;   /*  10px */
  --text-xs:   0.75rem;    /*  12px */
  --text-sm:   0.875rem;   /*  14px */
  --text-base: 1rem;       /*  16px */
  --text-lg:   1.125rem;   /*  18px */
  --text-xl:   1.25rem;    /*  20px */
  --text-2xl:  1.5rem;     /*  24px */
  --text-3xl:  1.875rem;   /*  30px */
  --text-4xl:  2.25rem;    /*  36px */
  --text-5xl:  3rem;       /*  48px */
  --text-6xl:  3.75rem;    /*  60px */
  --text-7xl:  4.5rem;     /*  72px */
  --text-8xl:  6rem;       /*  96px */

  /* Line Heights */
  --leading-none:    1;
  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;
  --leading-loose:   1.8;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight:   -0.025em;
  --tracking-normal:   0em;
  --tracking-wide:     0.025em;
  --tracking-wider:    0.05em;
  --tracking-widest:   0.12em;

  /* Font Weights */
  --fw-light:      300;
  --fw-regular:    400;
  --fw-medium:     500;
  --fw-semibold:   600;
  --fw-bold:       700;
  --fw-extrabold:  800;
  --fw-black:      900;

  /* --- SPACING — 4px base grid --- */
  --sp-0:    0;
  --sp-px:   1px;
  --sp-0-5:  0.125rem;  /*  2px */
  --sp-1:    0.25rem;   /*  4px */
  --sp-1-5:  0.375rem;  /*  6px */
  --sp-2:    0.5rem;    /*  8px */
  --sp-3:    0.75rem;   /* 12px */
  --sp-4:    1rem;      /* 16px */
  --sp-5:    1.25rem;   /* 20px */
  --sp-6:    1.5rem;    /* 24px */
  --sp-8:    2rem;      /* 32px */
  --sp-10:   2.5rem;    /* 40px */
  --sp-12:   3rem;      /* 48px */
  --sp-14:   3.5rem;    /* 56px */
  --sp-16:   4rem;      /* 64px */
  --sp-20:   5rem;      /* 80px */
  --sp-24:   6rem;      /* 96px */
  --sp-28:   7rem;      /* 112px */
  --sp-32:   8rem;      /* 128px */
  --sp-40:   10rem;     /* 160px */
  --sp-48:   12rem;     /* 192px */

  /* Section vertical rhythm */
  --section-padding-y: clamp(var(--sp-16), 8vw, var(--sp-32));
  --section-padding-x: clamp(var(--sp-6), 5vw, var(--sp-16));

  /* --- LAYOUT --- */
  --container-sm:   640px;
  --container-md:   768px;
  --container-lg:   1024px;
  --container-xl:   1280px;
  --container-2xl:  1440px;

  /* --- BORDER RADIUS --- */
  --radius-none:   0;
  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     12px;
  --radius-xl:     16px;
  --radius-2xl:    20px;
  --radius-3xl:    28px;
  --radius-full:   9999px;

  /* --- SHADOWS --- */
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.4);
  --shadow-sm:   0 2px 4px rgba(0,0,0,0.45);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 24px rgba(0,0,0,0.55);
  --shadow-xl:   0 16px 40px rgba(0,0,0,0.6);
  --shadow-2xl:  0 24px 64px rgba(0,0,0,0.65);

  /* Glow shadows */
  --shadow-glow-sm:  0 0 16px rgba(59,130,246,0.25);
  --shadow-glow-md:  0 0 32px rgba(59,130,246,0.35);
  --shadow-glow-lg:  0 0 64px rgba(59,130,246,0.3);
  --shadow-card:     0 1px 0 var(--clr-border-subtle), 0 8px 24px rgba(0,0,0,0.5);
  --shadow-card-hover: 0 1px 0 var(--clr-border-default), 0 16px 40px rgba(0,0,0,0.6), 0 0 40px rgba(59,130,246,0.12);

  /* --- TRANSITIONS --- */
  --ease-out:       cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out:    cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);  /* slight overshoot */

  --dur-instant:  80ms;
  --dur-fast:     150ms;
  --dur-base:     250ms;
  --dur-slow:     400ms;
  --dur-slower:   600ms;
  --dur-slowest:  900ms;

  --transition-colors:    color var(--dur-fast) var(--ease-out),
                          background-color var(--dur-fast) var(--ease-out),
                          border-color var(--dur-fast) var(--ease-out);
  --transition-transform: transform var(--dur-base) var(--ease-out);
  --transition-shadow:    box-shadow var(--dur-base) var(--ease-out);
  --transition-all:       var(--transition-colors), var(--transition-transform), var(--transition-shadow);

  /* --- Z-INDEX SCALE --- */
  --z-below:    -1;
  --z-base:      0;
  --z-raised:    10;
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-toast:     500;
  --z-tooltip:   600;
}


/* ============================================================
   2. RESET & BASE
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: var(--leading-normal);
  color: var(--clr-text-primary);
  background-color: var(--clr-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a        { color: inherit; text-decoration: none; }
ul, ol   { list-style: none; }
img, svg { display: block; max-width: 100%; }
button   { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

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

::selection {
  background: var(--clr-accent-dim);
  color: var(--clr-text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar              { width: 8px; }
::-webkit-scrollbar-track        { background: var(--clr-surface); }
::-webkit-scrollbar-thumb        { background: var(--clr-border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover  { background: var(--clr-text-muted); }


/* ============================================================
   3. TYPOGRAPHY SYSTEM
   ============================================================ */

/* --- Display / Hero Headlines --- */
.text-display-2xl {
  font-size: clamp(var(--text-5xl), 7vw, var(--text-8xl));
  font-weight: var(--fw-extrabold);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tight);
}

.text-display-xl {
  font-size: clamp(var(--text-4xl), 5.5vw, var(--text-7xl));
  font-weight: var(--fw-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.text-display-lg {
  font-size: clamp(var(--text-3xl), 4.5vw, var(--text-6xl));
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

/* --- Section Headlines --- */
.text-h1 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); font-weight: var(--fw-bold); line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }
.text-h2 { font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); font-weight: var(--fw-bold); line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }
.text-h3 { font-size: clamp(var(--text-xl),  2.5vw, var(--text-3xl)); font-weight: var(--fw-semibold); line-height: var(--leading-snug); }
.text-h4 { font-size: clamp(var(--text-lg),  2vw, var(--text-2xl));  font-weight: var(--fw-semibold); line-height: var(--leading-snug); }
.text-h5 { font-size: var(--text-xl); font-weight: var(--fw-semibold); line-height: var(--leading-snug); }
.text-h6 { font-size: var(--text-lg); font-weight: var(--fw-medium);   line-height: var(--leading-snug); }

/* Semantic headings use same system */
h1 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); font-weight: var(--fw-bold); line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }
h2 { font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); font-weight: var(--fw-bold); line-height: var(--leading-snug); letter-spacing: var(--tracking-tight); }
h3 { font-size: clamp(var(--text-xl),  2.5vw, var(--text-3xl)); font-weight: var(--fw-semibold); line-height: var(--leading-snug); }
h4 { font-size: clamp(var(--text-lg),  2vw, var(--text-2xl));  font-weight: var(--fw-semibold); line-height: var(--leading-snug); }
h5 { font-size: var(--text-xl); font-weight: var(--fw-semibold); line-height: var(--leading-snug); }
h6 { font-size: var(--text-lg); font-weight: var(--fw-medium);   line-height: var(--leading-snug); }

/* --- Body --- */
.text-body-xl   { font-size: var(--text-xl);  line-height: var(--leading-relaxed); }
.text-body-lg   { font-size: var(--text-lg);  line-height: var(--leading-relaxed); }
.text-body      { font-size: var(--text-base); line-height: var(--leading-relaxed); }
.text-body-sm   { font-size: var(--text-sm);  line-height: var(--leading-relaxed); }
.text-caption   { font-size: var(--text-xs);  line-height: var(--leading-normal); color: var(--clr-text-muted); }

/* --- Overline / Label / Tag text --- */
.text-overline {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--clr-accent);
}

/* --- Gradient text utility --- */
.text-gradient {
  background: var(--grad-brand-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Mono --- */
.text-mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}


/* ============================================================
   4. LAYOUT & CONTAINERS
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
}

.container--sm  { max-width: var(--container-sm); }
.container--md  { max-width: var(--container-md); }
.container--lg  { max-width: var(--container-lg); }
.container--2xl { max-width: var(--container-2xl); }

/* Section wrapper */
.section {
  padding-block: var(--section-padding-y);
  position: relative;
  overflow: hidden;
}

.section--tight  { padding-block: clamp(var(--sp-10), 5vw, var(--sp-20)); }
.section--flush  { padding-block: 0; }
.section--dark   { background: var(--clr-void); }
.section--surface { background: var(--clr-surface); }

/* Grid system */
.grid {
  display: grid;
  gap: var(--sp-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto-sm { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--auto-md { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--auto-lg { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

/* Flex utilities */
.flex       { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col   { display: flex; flex-direction: column; }
.gap-1      { gap: var(--sp-1); }
.gap-2      { gap: var(--sp-2); }
.gap-3      { gap: var(--sp-3); }
.gap-4      { gap: var(--sp-4); }
.gap-6      { gap: var(--sp-6); }
.gap-8      { gap: var(--sp-8); }
.gap-10     { gap: var(--sp-10); }
.gap-12     { gap: var(--sp-12); }

/* Two-col split layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.split--content-left  {}
.split--content-right { direction: rtl; }
.split--content-right > * { direction: ltr; }


/* ============================================================
   5. NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: 72px;
  display: flex;
  align-items: center;
  transition: background-color var(--dur-slow) var(--ease-out),
              backdrop-filter var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out),
              box-shadow var(--dur-slow) var(--ease-out);

  /* Default: transparent on hero */
  background: transparent;
  border-bottom: 1px solid transparent;
}

/* Scrolled state — add via JS: nav.classList.add('nav--scrolled') */
.nav--scrolled {
  background: rgba(10, 15, 28, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom-color: var(--clr-border-subtle);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}

.nav__logo {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--clr-text-primary);
  flex-shrink: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.nav__logo:hover { opacity: 0.85; }

.nav__logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad-brand);
  margin-left: 2px;
  vertical-align: super;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--clr-text-primary);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
}

.nav__hamburger-bar {
  width: 22px;
  height: 2px;
  background: var(--clr-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out);
}

/* Mobile menu (hidden by default, show via JS) */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: rgba(10, 15, 28, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--sp-8) var(--section-padding-x);
  flex-direction: column;
  gap: var(--sp-6);
  z-index: var(--z-overlay);
  animation: slideDown var(--dur-base) var(--ease-out);
}

.nav__mobile.is-open { display: flex; }

.nav__mobile-link {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-secondary);
  padding-block: var(--sp-3);
  border-bottom: 1px solid var(--clr-border-subtle);
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__mobile-link:hover { color: var(--clr-text-primary); }


/* ============================================================
   6. HERO SECTION PATTERNS
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 72px; /* offset for fixed nav */
  background: var(--grad-hero);
  overflow: hidden;
}

/* Background mesh gradient glow */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-glow-center);
  pointer-events: none;
}

/* Optional animated grid bg */
.hero--grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 0%, transparent 80%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding: var(--sp-16) var(--section-padding-x);
}

/* Center layout */
.hero--center .hero__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}

/* Left layout */
.hero--left .hero__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-6);
  max-width: 680px;
}

/* Split layout (text left, graphic right) */
.hero--split .hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1-5) var(--sp-4);
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--clr-accent);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero__headline {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: var(--fw-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--clr-text-primary);
}

.hero__sub {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
}

.hero--center .hero__sub { text-align: center; }

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-top: var(--sp-4);
}

.hero--center .hero__actions { justify-content: center; }

/* Social proof bar under CTA */
.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  flex-wrap: wrap;
  margin-top: var(--sp-6);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--clr-border-subtle);
}

.hero__proof-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
}

.hero__proof-icon {
  color: var(--clr-success);
  flex-shrink: 0;
}

/* Scroll cue */
.hero__scroll-cue {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: var(--clr-text-muted);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  animation: bounceDown 2s ease-in-out infinite;
}


/* ============================================================
   7. BUTTONS
   ============================================================ */

/* --- Base button --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-spring);
  user-select: none;
  -webkit-user-select: none;
}

.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

/* --- Primary (brand filled) --- */
.btn--primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59,130,246,0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}

.btn--primary:hover {
  box-shadow: 0 8px 28px rgba(59,130,246,0.5), inset 0 1px 0 rgba(255,255,255,0.15);
  background: linear-gradient(135deg, var(--clr-brand-500), var(--clr-brand-700));
}

/* --- Secondary (ghost) --- */
.btn--secondary {
  background: transparent;
  color: var(--clr-text-primary);
  border-color: var(--clr-border-default);
}

.btn--secondary:hover {
  background: var(--clr-surface);
  border-color: var(--clr-border-strong);
}

/* --- Ghost accent --- */
.btn--ghost-accent {
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  border-color: var(--clr-border-accent);
}

.btn--ghost-accent:hover {
  background: rgba(99,160,255,0.22);
  box-shadow: var(--shadow-glow-sm);
}

/* --- Text link button --- */
.btn--text {
  background: none;
  color: var(--clr-accent);
  border: none;
  padding-inline: 0;
}

.btn--text:hover {
  color: var(--clr-brand-300);
  transform: none;
}

.btn--text:hover .btn__arrow { transform: translateX(4px); }

.btn__arrow {
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-out);
}

/* --- Sizes --- */
.btn--xs  { padding: var(--sp-1-5) var(--sp-3);   font-size: var(--text-xs); border-radius: var(--radius-sm); }
.btn--sm  { padding: var(--sp-2)   var(--sp-5);   font-size: var(--text-xs); }
.btn--md  { padding: var(--sp-3)   var(--sp-6);   font-size: var(--text-sm); }   /* default */
.btn--lg  { padding: var(--sp-4)   var(--sp-8);   font-size: var(--text-base); border-radius: var(--radius-lg); }
.btn--xl  { padding: var(--sp-5)   var(--sp-10);  font-size: var(--text-lg);  border-radius: var(--radius-xl); }

/* --- Width --- */
.btn--full { width: 100%; }

/* --- Loading state --- */
.btn--loading {
  pointer-events: none;
  position: relative;
  color: transparent !important;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}


/* ============================================================
   8. CARDS
   ============================================================ */

/* --- Base card --- */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  position: relative;
  overflow: hidden;
  transition: var(--transition-all);
}

/* Top edge highlight (premium feel) */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border-default), transparent);
  transition: background var(--dur-base) var(--ease-out);
}

.card:hover {
  border-color: var(--clr-border-default);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.card:hover::before {
  background: linear-gradient(90deg, transparent, var(--clr-border-accent), transparent);
}

/* --- Elevated card (hero/featured) --- */
.card--elevated {
  background: var(--clr-elevated);
  border-color: var(--clr-border-default);
  box-shadow: var(--shadow-lg);
}

/* --- Glass card --- */
.card--glass {
  background: rgba(26, 34, 53, 0.6);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--clr-border-default);
}

/* --- Glow card (accent highlight on hover) --- */
.card--glow:hover {
  box-shadow: var(--shadow-card-hover), var(--shadow-glow-md);
  border-color: var(--clr-border-accent);
}

/* --- Feature card layout --- */
.card--feature {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
  transition: box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}

.card:hover .card__icon {
  box-shadow: var(--shadow-glow-sm);
  background: rgba(99,160,255,0.2);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-primary);
  line-height: var(--leading-snug);
}

.card__body {
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.card__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--clr-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  transition: gap var(--dur-base) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.card__link:hover {
  color: var(--clr-brand-300);
  gap: var(--sp-2);
}

/* --- Pricing card --- */
.card--pricing {
  text-align: center;
}

.card--pricing-featured {
  background: var(--clr-elevated);
  border-color: var(--clr-border-accent);
  box-shadow: var(--shadow-glow-sm), var(--shadow-xl);
  transform: scale(1.03);
  z-index: 1;
}

.card--pricing-featured:hover {
  transform: scale(1.03) translateY(-3px);
}

.card__badge {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-3);
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-4);
}

.card__price {
  font-size: var(--text-5xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.card__price-unit {
  font-size: var(--text-xl);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  vertical-align: super;
  font-size: var(--text-2xl);
}

.card__price-period {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  font-weight: var(--fw-regular);
}

/* --- Testimonial card --- */
.card--testimonial {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.card__quote-mark {
  font-size: var(--text-4xl);
  line-height: 1;
  color: var(--clr-accent);
  opacity: 0.5;
  font-family: Georgia, serif;
}

.card__quote {
  font-size: var(--text-base);
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  font-style: italic;
}

.card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  border-top: 1px solid var(--clr-border-subtle);
  padding-top: var(--sp-4);
}

.card__author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent-dim);
  border: 2px solid var(--clr-border-accent);
  object-fit: cover;
  flex-shrink: 0;
}

.card__author-name {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-primary);
}

.card__author-role {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
}

.card__stars {
  display: flex;
  gap: var(--sp-0-5);
  color: #f59e0b;
  font-size: var(--text-sm);
}


/* ============================================================
   9. TRUST & SOCIAL PROOF COMPONENTS
   ============================================================ */

/* --- Logo bar (client logos) --- */
.logo-bar {
  padding-block: var(--sp-10);
  text-align: center;
}

.logo-bar__label {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-8);
}

.logo-bar__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-10);
  flex-wrap: wrap;
  opacity: 0.5;
  filter: grayscale(1);
  transition: opacity var(--dur-base) var(--ease-out);
}

.logo-bar__logos:hover { opacity: 0.65; }

.logo-bar__logo {
  height: 28px;
  width: auto;
  object-fit: contain;
  transition: filter var(--dur-base) var(--ease-out);
}

/* Animated marquee version */
.logo-bar--marquee .logo-bar__logos {
  flex-wrap: nowrap;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
}

.logo-bar__track {
  display: flex;
  gap: var(--sp-10);
  animation: marquee 30s linear infinite;
}
.logo-bar__track:hover { animation-play-state: paused; }

/* --- Stat strip --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-1-5);
}

.stat {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-subtle);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.stat:hover {
  border-color: var(--clr-border-accent);
  box-shadow: var(--shadow-glow-sm);
}

.stat__number {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--fw-extrabold);
  letter-spacing: var(--tracking-tight);
  background: var(--grad-brand-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
  font-weight: var(--fw-medium);
}

/* --- Trust badges --- */
.trust-badges {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
}

.trust-badge__icon { color: var(--clr-success); }

/* --- Review stars aggregate --- */
.review-aggregate {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.review-aggregate__avatars {
  display: flex;
  align-items: center;
}

.review-aggregate__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-accent-dim);
  border: 2px solid var(--clr-base);
  object-fit: cover;
}

.review-aggregate__avatar + .review-aggregate__avatar { margin-left: -10px; }

.review-aggregate__text {
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
}

.review-aggregate__stars { color: #f59e0b; }
.review-aggregate__count { font-weight: var(--fw-semibold); color: var(--clr-text-primary); }


/* ============================================================
   10. SECTION HEADERS (reusable patterns)
   ============================================================ */

.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: clamp(var(--sp-10), 5vw, var(--sp-16));
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.section-header--left {
  text-align: left;
  margin-inline: 0;
}

.section-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--clr-accent);
}

.section-header__eyebrow::before,
.section-header__eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border-accent);
  max-width: 32px;
}

.section-header--left .section-header__eyebrow::after { display: none; }

.section-header__headline {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.section-header__sub {
  font-size: var(--text-lg);
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
}

.section-header--left .section-header__sub { max-width: 560px; }


/* ============================================================
   11. FOOTER
   ============================================================ */

.footer {
  background: var(--clr-void);
  border-top: 1px solid var(--clr-border-subtle);
  padding-block: var(--sp-16) var(--sp-8);
}

.footer__inner {
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--clr-border-subtle);
}

.footer__brand {}

.footer__logo {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 280px;
}

.footer__socials {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.footer__social {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-secondary);
  font-size: var(--text-sm);
  transition: var(--transition-all);
}

.footer__social:hover {
  background: var(--clr-elevated);
  border-color: var(--clr-border-default);
  color: var(--clr-text-primary);
  transform: translateY(-2px);
}

.footer__col-heading {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__link:hover { color: var(--clr-text-primary); }

.footer__bottom {
  padding-top: var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
}

.footer__legal {
  display: flex;
  gap: var(--sp-6);
}

.footer__legal-link {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__legal-link:hover { color: var(--clr-text-secondary); }


/* ============================================================
   12. UTILITY COMPONENTS
   ============================================================ */

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--clr-border-subtle);
  border: none;
  margin-block: var(--sp-8);
}

.divider--gradient {
  background: linear-gradient(90deg, transparent, var(--clr-border-default), transparent);
}

/* --- Tag / Chip --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-subtle);
  color: var(--clr-text-secondary);
}

.tag--accent  { background: var(--clr-accent-dim); border-color: var(--clr-border-accent); color: var(--clr-accent); }
.tag--success { background: var(--clr-success-dim); border-color: rgba(34,197,94,0.35); color: var(--clr-success); }
.tag--warning { background: var(--clr-warning-dim); border-color: rgba(245,158,11,0.35); color: var(--clr-warning); }

/* --- Alert / Banner --- */
.alert {
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-lg);
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-sm);
}

.alert--info    { background: var(--clr-info-dim);    border-color: rgba(6,182,212,0.35);    color: var(--clr-info); }
.alert--success { background: var(--clr-success-dim); border-color: rgba(34,197,94,0.35);    color: var(--clr-success); }
.alert--warning { background: var(--clr-warning-dim); border-color: rgba(245,158,11,0.35);   color: var(--clr-warning); }
.alert--error   { background: var(--clr-error-dim);   border-color: rgba(239,68,68,0.35);    color: var(--clr-error); }

/* --- Feature list --- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
}

.feature-list__check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--clr-success-dim);
  border: 1px solid rgba(34,197,94,0.35);
  color: var(--clr-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- Step / process list --- */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(to bottom, var(--clr-border-accent), transparent);
}

.step {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  position: relative;
}

.step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent-dim);
  border: 1px solid var(--clr-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--clr-accent);
  flex-shrink: 0;
  z-index: 1;
  position: relative;
}

.step__content {
  padding-top: var(--sp-2);
}

.step__title {
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-1);
}

.step__desc {
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
}

/* --- Code block --- */
.code-block {
  background: var(--clr-void);
  border: 1px solid var(--clr-border-default);
  border-radius: var(--radius-lg);
  padding: var(--sp-5) var(--sp-6);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--clr-text-secondary);
  overflow-x: auto;
  position: relative;
}

.code-block__label {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-4);
  font-size: var(--text-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

/* --- Tooltip --- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--clr-elevated);
  border: 1px solid var(--clr-border-default);
  color: var(--clr-text-primary);
  font-size: var(--text-xs);
  padding: var(--sp-1-5) var(--sp-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after { opacity: 1; }


/* ============================================================
   13. ANIMATIONS & MICRO-INTERACTIONS
   ============================================================ */

/* --- Keyframes --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.15); }
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  from { background-position: -400px 0; }
  to   { background-position: 400px 0; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: var(--shadow-glow-sm); }
  50%       { box-shadow: var(--shadow-glow-lg); }
}

/* --- Animation utility classes --- */
.animate-fade-in     { animation: fadeIn var(--dur-slow) var(--ease-out) both; }
.animate-fade-in-up  { animation: fadeInUp var(--dur-slow) var(--ease-out) both; }
.animate-fade-in-down{ animation: fadeInDown var(--dur-slow) var(--ease-out) both; }
.animate-scale-in    { animation: scaleIn var(--dur-slow) var(--ease-spring) both; }
.animate-float       { animation: float 4s ease-in-out infinite; }
.animate-glow-pulse  { animation: glowPulse 3s ease-in-out infinite; }

/* Stagger children */
.stagger > * { animation: fadeInUp var(--dur-slow) var(--ease-out) both; }
.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 80ms; }
.stagger > *:nth-child(3) { animation-delay: 160ms; }
.stagger > *:nth-child(4) { animation-delay: 240ms; }
.stagger > *:nth-child(5) { animation-delay: 320ms; }
.stagger > *:nth-child(6) { animation-delay: 400ms; }

/* Scroll-triggered (add .in-view via IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal--left.in-view { opacity: 1; transform: translateX(0); }

.reveal--right {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal--right.in-view { opacity: 1; transform: translateX(0); }

/* Delay helpers for reveal */
.delay-1 { transition-delay: 80ms !important; }
.delay-2 { transition-delay: 160ms !important; }
.delay-3 { transition-delay: 240ms !important; }
.delay-4 { transition-delay: 320ms !important; }
.delay-5 { transition-delay: 400ms !important; }
.delay-6 { transition-delay: 480ms !important; }

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg,
    var(--clr-surface) 25%,
    var(--clr-elevated) 50%,
    var(--clr-surface) 75%
  );
  background-size: 400px 100%;
  animation: shimmer 1.5s linear infinite;
  border-radius: var(--radius-md);
}


/* ============================================================
   14. RESPONSIVE BREAKPOINTS
   ============================================================ */

/*
  Breakpoint reference (mobile-first):
  --bp-sm:  640px   (large phones)
  --bp-md:  768px   (tablets)
  --bp-lg:  1024px  (small desktops)
  --bp-xl:  1280px  (desktops)
  --bp-2xl: 1536px  (large screens)
*/

/* md: tablets → hide nav links, show hamburger */
@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__actions .btn--secondary { display: none; }

  .hero--split .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero--split .hero__actions { justify-content: center; }
  .hero--split .hero__proof   { justify-content: center; }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }

  .split {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }
}

/* sm: phones */
@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero--center .hero__actions { align-items: center; }

  .hero__actions .btn { width: 100%; max-width: 360px; justify-content: center; }

  .card--pricing-featured { transform: none; }
  .card--pricing-featured:hover { transform: translateY(-3px); }
}

@media (max-width: 640px) {
  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .trust-badges { justify-content: center; }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-header__sub { font-size: var(--text-base); }
}

/* Large screens */
@media (min-width: 1536px) {
  :root {
    --section-padding-x: clamp(var(--sp-16), 8vw, var(--sp-32));
  }
}


/* ============================================================
   15. PRINT
   ============================================================ */
@media print {
  .nav, .footer__socials { display: none; }
  * { background: white !important; color: black !important; }
  .card { border: 1px solid #ddd; box-shadow: none; }
}


/* ============================================================
   16. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal,
  .reveal--left,
  .reveal--right {
    opacity: 1;
    transform: none;
  }
}


/* ============================================================
   17. INLINE SCROLL REVEAL SCRIPT (reference)
   ============================================================

   Add this to your HTML before </body>:

   <script>
   const observer = new IntersectionObserver(
     (entries) => entries.forEach(e => {
       if (e.isIntersecting) {
         e.target.classList.add('in-view');
         observer.unobserve(e.target);
       }
     }),
     { threshold: 0.1, rootMargin: '0px 0px -40px 0px' }
   );
   document.querySelectorAll('.reveal, .reveal--left, .reveal--right')
     .forEach(el => observer.observe(el));
   </script>

   Add this to your HTML before </body> for nav scroll:

   <script>
   const nav = document.querySelector('.nav');
   window.addEventListener('scroll', () => {
     nav.classList.toggle('nav--scrolled', window.scrollY > 20);
   }, { passive: true });
   </script>

   ============================================================ */