/* =========================================================
   DESIGN TOKENS — Strategy Twenty Four 7 brand palette
   ========================================================= */

:root {
  /* Fluid 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, 8rem);

  /* Spacing (4px base) */
  --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;

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

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Clash Display', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* Light mode — Strategy Twenty Four 7 brand */
:root,
[data-theme='light'] {
  --color-bg: #fbf8fd;
  --color-surface: #ffffff;
  --color-surface-2: #f4eefa;
  --color-border: #e4d9f0;
  --color-border-strong: #d3c2e8;

  --color-text: #241b33;
  --color-text-muted: #6b5f7d;
  --color-text-faint: #a79bb8;
  --color-text-inverse: #fbf8fd;

  --color-primary: #59028f;
  --color-primary-hover: #43026c;

  --color-accent: #b50497;
  --color-accent-hover: #8f0378;
  --color-on-accent: #ffffff;

  --shadow-sm: 0 1px 2px rgba(89, 2, 143, 0.06);
  --shadow-md: 0 6px 20px rgba(89, 2, 143, 0.1);
  --shadow-lg: 0 20px 48px rgba(89, 2, 143, 0.16);
}

/* Dark mode */
[data-theme='dark'] {
  --color-bg: #150c1f;
  --color-surface: #1e1229;
  --color-surface-2: #241631;
  --color-border: #3a2650;
  --color-border-strong: #4e3468;

  --color-text: #ede6f5;
  --color-text-muted: #b2a3c4;
  --color-text-faint: #7c6d91;
  --color-text-inverse: #150c1f;

  --color-primary: #8428bd;
  --color-primary-hover: #9c4bd6;

  --color-accent: #ef6cd9;
  --color-accent-hover: #f38ce1;
  --color-on-accent: #1b0e28;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-24);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
  font-weight: 600;
}

p,
li {
  text-wrap: pretty;
  max-width: 62ch;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

::selection {
  background: color-mix(in srgb, var(--color-accent) 30%, transparent);
  color: var(--color-text);
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a,
button {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: var(--space-2) var(--space-4);
  z-index: 999;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.brand-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  white-space: nowrap;
}

.main-nav {
  display: flex;
  gap: var(--space-8);
}
.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.main-nav a:hover {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

@media (max-width: 780px) {
  .main-nav {
    display: none;
  }
  .brand-name {
    display: none;
  }
}

/* =========================================================
   BUTTONS + LINKS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.btn-sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}
.btn-lg {
  font-size: var(--text-sm);
  padding: var(--space-4) var(--space-8);
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-onbrand {
  background: var(--color-surface);
  color: var(--color-accent);
}
.btn-onbrand:hover {
  background: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.link-inline {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1.5px solid var(--color-accent);
  padding-bottom: 2px;
}
.link-inline:hover {
  color: var(--color-accent);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  padding-top: clamp(var(--space-12), 8vw, var(--space-24));
  padding-bottom: clamp(var(--space-16), 10vw, var(--space-24));
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 140%;
  background:
    radial-gradient(circle at 25% 20%, color-mix(in srgb, var(--color-primary) 22%, transparent), transparent 55%),
    radial-gradient(circle at 80% 30%, color-mix(in srgb, var(--color-accent) 20%, transparent), transparent 50%);
  filter: blur(40px);
  z-index: -1;
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(-2%, 3%) scale(1.08);
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-16);
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: var(--text-3xl);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 16ch;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.hero-actions .btn svg {
  transition: transform var(--transition-interactive);
}
.hero-actions .btn:hover svg {
  transform: translateX(3px);
}

.hero-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.signal-graphic {
  width: min(100%, 380px);
  height: auto;
}

.ring {
  transform-origin: 180px 180px;
}
.ring-1 {
  animation: spin-slow 60s linear infinite;
  stroke-dasharray: 2 10;
}
.ring-2 {
  animation: spin-slow-reverse 46s linear infinite;
  stroke-dasharray: 1 8;
  opacity: 0.7;
}
.ring-3 {
  opacity: 0.5;
}

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

.arc {
  opacity: 0;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: draw-arc 1.4s var(--ease-out) forwards;
}
.arc-missed {
  animation-delay: 0.2s;
}
.arc-answered {
  animation-delay: 0.6s;
}
@keyframes draw-arc {
  from {
    opacity: 1;
    stroke-dashoffset: 200;
  }
  to {
    opacity: 1;
    stroke-dashoffset: 0;
  }
}

.dot {
  opacity: 0;
  animation: pop-in 0.5s var(--ease-out) forwards;
}
.dot-missed {
  animation-delay: 1.4s;
}
.dot-answered {
  animation-delay: 1.7s;
}
.dot.orbit {
  animation: pop-in 0.5s var(--ease-out) forwards, orbit 12s linear infinite;
  animation-delay: 2s, 2.5s;
  transform-origin: 180px 180px;
}
@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes orbit {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: left;
  }
  .hero-title {
    max-width: none;
    font-size: var(--text-2xl);
  }
  .hero-visual {
    order: -1;
  }
  .signal-graphic {
    width: min(100%, 220px);
  }
}

/* =========================================================
   TRUST STRIP
   ========================================================= */
.trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-10);
}
.trust-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-inline-start: var(--space-4);
  border-left: 2px solid var(--color-accent);
}
.trust-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
}
.trust-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================================================
   SECTIONS (generic)
   ========================================================= */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.section-alt {
  background: var(--color-surface-2);
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-2xl);
  max-width: 24ch;
  margin-bottom: var(--space-12);
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.card-index {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 1000px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-10);
  position: relative;
}
.step {
  position: relative;
  padding-top: var(--space-14, 3.5rem);
}
.step-num {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  margin-bottom: var(--space-5);
}
.step h3 {
  font-size: var(--text-lg);
  margin-top: calc(48px + var(--space-5));
  margin-bottom: var(--space-2);
}
.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.steps-note {
  margin-top: var(--space-12);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-5) var(--space-6);
  border-left: 2px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

@media (max-width: 860px) {
  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .step h3 {
    margin-top: var(--space-5);
  }
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-16);
  align-items: start;
}
.about-copy p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
}
.about-visual {
  position: relative;
}
.about-card {
  background: linear-gradient(155deg, var(--color-primary), var(--color-accent));
  color: white;
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}
.about-quote-mark {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
  margin-bottom: var(--space-3);
  opacity: 0.7;
}
.about-card p {
  font-size: var(--text-lg);
  color: white;
  max-width: none;
}

@media (max-width: 860px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}
.cta-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}
.cta-inner h2 {
  font-size: var(--text-2xl);
  color: white;
  max-width: 22ch;
}
.cta-inner p {
  font-size: var(--text-base);
  color: color-mix(in srgb, white 85%, transparent);
  max-width: 48ch;
}
.cta-inner .btn {
  margin-top: var(--space-3);
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  padding-block: var(--space-12) var(--space-8);
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.footer-brand {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.footer-brand .brand-mark {
  margin-top: 2px;
}
.footer-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.footer-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 34ch;
}
.footer-links {
  display: flex;
  gap: var(--space-6);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-links a:hover {
  color: var(--color-accent);
}
.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal {
  opacity: 1;
}
@supports (animation-timeline: view()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 45%;
  }
}
@keyframes reveal-fade {
  to {
    opacity: 1;
  }
}