/* ============================================
   EFFICIENTLY — Design System
   https://efficiently.world
   ============================================ */

/* --- Custom Properties --- */
:root {
  --eff-bg-primary: #0a0a0a;
  --eff-bg-secondary: #111111;
  --eff-bg-card: #161616;
  --eff-bg-card-hover: #1c1c1c;
  --eff-border-color: #222222;
  --eff-border-subtle: #1a1a1a;

  --eff-text-primary: #f0f0f0;
  --eff-text-secondary: #a0a0a0;
  --eff-text-muted: #666666;

  --eff-accent: #00a693;
  --eff-accent-dim: rgba(0, 166, 147, 0.15);
  --eff-accent-glow: rgba(0, 166, 147, 0.08);

  --eff-white: #ffffff;
  --eff-black: #000000;

  --eff-font-primary: 'Blinker', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --eff-font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --eff-space-xs: 0.5rem;
  --eff-space-sm: 1rem;
  --eff-space-md: 1.5rem;
  --eff-space-lg: 2.5rem;
  --eff-space-xl: 4rem;
  --eff-space-2xl: 6rem;
  --eff-space-3xl: 8rem;

  --eff-radius-sm: 6px;
  --eff-radius-md: 12px;
  --eff-radius-lg: 20px;
  --eff-radius-full: 9999px;

  --eff-max-width: 1200px;
  --eff-max-width-narrow: 800px;

  --eff-transition-fast: 0.2s ease;
  --eff-transition-base: 0.35s ease;
  --eff-transition-slow: 0.6s ease;

  --eff-nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.eff-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--eff-nav-height);
  z-index: 1000;
  transition: background var(--eff-transition-base), box-shadow var(--eff-transition-base);
}

.eff-nav--scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--eff-border-subtle);
}

.eff-nav__inner {
  max-width: var(--eff-max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--eff-space-md);
}

.eff-nav__logo {
  display: inline-flex;
  align-items: center;
  transition: opacity var(--eff-transition-fast);
}

.eff-nav__logo:hover {
  opacity: 0.9;
}

.eff-nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.eff-nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.eff-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--eff-text-secondary);
  transition: color var(--eff-transition-fast);
  position: relative;
}

.eff-nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--eff-accent);
  transition: width var(--eff-transition-base);
}

.eff-nav__link:hover,
.eff-nav__link--active {
  color: var(--eff-white);
}

.eff-nav__link:hover::after,
.eff-nav__link--active::after {
  width: 100%;
}

.eff-nav__cta {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: var(--eff-radius-full);
  background: var(--eff-accent);
  color: var(--eff-black);
  transition: all var(--eff-transition-base);
}

.eff-nav__cta:hover {
  background: var(--eff-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 166, 147, 0.25);
}

/* Mobile hamburger */
.eff-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.eff-nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--eff-white);
  transition: all var(--eff-transition-base);
  transform-origin: center;
}

.eff-nav__toggle--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.eff-nav__toggle--open span:nth-child(2) {
  opacity: 0;
}

.eff-nav__toggle--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
@media (max-width: 768px) {
  .eff-nav__toggle {
    display: flex;
  }

  .eff-nav__links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--eff-transition-base);
  }

  .eff-nav__links--open {
    opacity: 1;
    pointer-events: all;
  }

  .eff-nav__link {
    font-size: 1.5rem;
  }

  .eff-nav__cta {
    font-size: 1.1rem;
    padding: 0.75rem 2rem;
  }

  .eff-nav__logo-img {
    height: 32px;
  }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.eff-h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--eff-white);
}

.eff-h2 {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--eff-white);
}

.eff-h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--eff-white);
}

.eff-h4 {
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--eff-white);
}

.eff-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--eff-text-secondary);
}

.eff-body-lg {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  line-height: 1.7;
  color: var(--eff-text-secondary);
}

.eff-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--eff-accent);
}

.eff-mono {
  font-family: var(--eff-font-mono);
  font-size: 0.9em;
}

/* ============================================
   LAYOUT
   ============================================ */

.eff-section {
  padding: var(--eff-space-3xl) var(--eff-space-md);
  position: relative;
}

.eff-section--compact {
  padding: var(--eff-space-xl) var(--eff-space-md);
}

.eff-section--hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--eff-nav-height) + 4rem);
  padding-bottom: 4rem;
}

.eff-section--alt {
  background: var(--eff-bg-secondary);
}

.eff-container {
  max-width: var(--eff-max-width);
  margin: 0 auto;
  width: 100%;
}

.eff-container--narrow {
  max-width: var(--eff-max-width-narrow);
  margin: 0 auto;
  width: 100%;
}

.eff-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--eff-space-lg);
}

.eff-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--eff-space-lg);
}

.eff-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.eff-text-center {
  text-align: center;
}

/* ============================================
   CARDS
   ============================================ */

.eff-card {
  background: var(--eff-bg-card);
  border: 1px solid var(--eff-border-color);
  border-radius: var(--eff-radius-md);
  padding: var(--eff-space-lg);
  transition: all var(--eff-transition-base);
}

.eff-card:hover {
  background: var(--eff-bg-card-hover);
  border-color: var(--eff-accent);
  transform: translateY(-2px);
}

.eff-card--no-hover:hover {
  transform: none;
  border-color: var(--eff-border-color);
  background: var(--eff-bg-card);
}

.eff-card--accent-top {
  border-top: 3px solid var(--eff-accent);
}

.eff-card--flex {
  display: flex;
  flex-direction: column;
}

/* ============================================
   BUTTONS / CTAs
   ============================================ */

.eff-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--eff-radius-full);
  font-family: var(--eff-font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--eff-transition-base);
}

.eff-btn--primary {
  background: var(--eff-accent);
  color: var(--eff-black);
}

.eff-btn--primary:hover {
  background: var(--eff-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 166, 147, 0.3);
}

.eff-btn--outline {
  background: transparent;
  color: var(--eff-text-primary);
  border: 1px solid var(--eff-border-color);
}

.eff-btn--outline:hover {
  border-color: var(--eff-accent);
  color: var(--eff-accent);
}

.eff-btn--ghost {
  background: transparent;
  color: var(--eff-accent);
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
}

.eff-btn--ghost:hover {
  border-bottom-color: var(--eff-accent);
}

.eff-btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.eff-btn-group--center {
  justify-content: center;
}

/* ============================================
   PILLS / TAGS
   ============================================ */

.eff-pill {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: var(--eff-radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--eff-accent-dim);
  color: var(--eff-accent);
  border: 1px solid rgba(0, 166, 147, 0.25);
}

.eff-pill--muted {
  background: rgba(255, 255, 255, 0.05);
  color: var(--eff-text-secondary);
  border-color: var(--eff-border-color);
}

/* ============================================
   DIVIDERS
   ============================================ */

.eff-divider {
  width: 60px;
  height: 2px;
  background: var(--eff-accent);
  border: none;
  margin: var(--eff-space-md) 0;
}

.eff-divider--center {
  margin-left: auto;
  margin-right: auto;
}

.eff-divider--wide {
  width: 100%;
  height: 1px;
  background: var(--eff-border-color);
}

/* ============================================
   OUTCOME CALLOUT
   ============================================ */

.eff-outcome {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: var(--eff-space-sm);
  padding: 0.75rem 1rem;
  background: var(--eff-accent-glow);
  border-left: 3px solid var(--eff-accent);
  border-radius: 0 var(--eff-radius-sm) var(--eff-radius-sm) 0;
  font-weight: 600;
  color: var(--eff-accent);
  font-size: 0.95rem;
}

/* ============================================
   NUMBER BADGE
   ============================================ */

.eff-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--eff-radius-full);
  background: var(--eff-accent);
  color: var(--eff-black);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   BULLET LIST
   ============================================ */

.eff-list {
  list-style: none;
  padding: 0;
  margin: var(--eff-space-sm) 0;
}

.eff-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--eff-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.eff-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--eff-accent);
}

/* ============================================
   FORMS
   ============================================ */

.eff-form {
  display: flex;
  flex-direction: column;
  gap: var(--eff-space-sm);
}

.eff-form__label {
  display: block;
  font-size: 0.85rem;
  color: var(--eff-text-muted);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.eff-form__input,
.eff-form__select,
.eff-form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--eff-bg-primary);
  border: 1px solid var(--eff-border-color);
  border-radius: var(--eff-radius-sm);
  color: var(--eff-text-primary);
  font-family: var(--eff-font-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--eff-transition-fast);
}

.eff-form__input:focus,
.eff-form__select:focus,
.eff-form__textarea:focus {
  border-color: var(--eff-accent);
}

.eff-form__input::placeholder,
.eff-form__textarea::placeholder {
  color: var(--eff-text-muted);
}

.eff-form__select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.eff-form__textarea {
  resize: vertical;
  min-height: 120px;
}

.eff-form--inline {
  flex-direction: row;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.eff-form--inline .eff-form__input {
  flex: 1;
  min-width: 200px;
  border-radius: var(--eff-radius-full);
  padding: 0.85rem 1.25rem;
}

/* ============================================
   SPACERS
   ============================================ */

.eff-spacer-xs  { height: var(--eff-space-xs); }
.eff-spacer-sm  { height: var(--eff-space-sm); }
.eff-spacer-md  { height: var(--eff-space-md); }
.eff-spacer-lg  { height: var(--eff-space-lg); }
.eff-spacer-xl  { height: var(--eff-space-xl); }
.eff-spacer-2xl { height: var(--eff-space-2xl); }

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.eff-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.eff-fade-up.eff-visible {
  opacity: 1;
  transform: translateY(0);
}

.eff-fade-up.eff-delay-1 { transition-delay: 0.1s; }
.eff-fade-up.eff-delay-2 { transition-delay: 0.2s; }
.eff-fade-up.eff-delay-3 { transition-delay: 0.3s; }
.eff-fade-up.eff-delay-4 { transition-delay: 0.4s; }

/* ============================================
   FOOTER
   ============================================ */

.eff-footer {
  border-top: 1px solid var(--eff-border-color);
  padding: var(--eff-space-xl) var(--eff-space-md) var(--eff-space-lg);
}

.eff-footer__inner {
  max-width: var(--eff-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--eff-space-xl);
}

.eff-footer__brand {
  max-width: 320px;
}

.eff-footer__brand-name {
  margin-bottom: 0.75rem;
}

.eff-footer__logo {
  height: 42px;
  width: auto;
  display: block;
  border-radius: 2px;
}

.eff-footer__brand-desc {
  font-size: 0.9rem;
  color: var(--eff-text-muted);
  line-height: 1.6;
}

.eff-footer__nav {
  display: flex;
  gap: var(--eff-space-xl);
}

.eff-footer__col-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--eff-text-muted);
  margin-bottom: var(--eff-space-sm);
}

.eff-footer__col-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.eff-footer__col-links a {
  font-size: 0.9rem;
  color: var(--eff-text-secondary);
  transition: color var(--eff-transition-fast);
}

.eff-footer__col-links a:hover {
  color: var(--eff-accent);
}

.eff-footer__bottom {
  max-width: var(--eff-max-width);
  margin: var(--eff-space-lg) auto 0;
  padding-top: var(--eff-space-md);
  border-top: 1px solid var(--eff-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.eff-footer__copy {
  font-size: 0.8rem;
  color: var(--eff-text-muted);
}

.eff-footer__tagline {
  font-size: 0.8rem;
  color: var(--eff-text-muted);
  font-style: italic;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.eff-accent-text { color: var(--eff-accent); }
.eff-white-text  { color: var(--eff-white); }
.eff-muted-text  { color: var(--eff-text-muted); }
.eff-strike       { text-decoration: line-through; }
.eff-italic       { font-style: italic; }
.eff-bold         { font-weight: 600; }
.eff-grow         { flex-grow: 1; }

/* ============================================
   PAGE-SPECIFIC: Hero scroll hint
   ============================================ */

.eff-scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.eff-scroll-hint__line {
  width: 1px;
  height: 48px;
  background: var(--eff-border-color);
  animation: eff-pulse 2s ease infinite;
}

@keyframes eff-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================
   PAGE-SPECIFIC: Comparison cards
   ============================================ */

.eff-compare-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.eff-compare-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.eff-compare-card--faded {
  opacity: 0.65;
}

/* ============================================
   PAGE-SPECIFIC: Pillar header
   ============================================ */

.eff-pillar-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--eff-space-md);
}

/* ============================================
   PAGE-SPECIFIC: Domain emoji icon
   ============================================ */

.eff-domain-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* ============================================
   PAGE-SPECIFIC: Process step
   ============================================ */

.eff-step {
  text-align: center;
}

.eff-step .eff-number {
  margin: 0 auto var(--eff-space-md) auto;
}

/* ============================================
   PAGE-SPECIFIC: Contact info card
   ============================================ */

.eff-contact-field {
  margin-bottom: 0;
}

.eff-contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--eff-text-muted);
  margin-bottom: 0.25rem;
}

.eff-contact-value {
  color: var(--eff-accent);
  font-weight: 500;
  transition: opacity var(--eff-transition-fast);
}

.eff-contact-value:hover {
  opacity: 0.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .eff-grid-2,
  .eff-grid-3 {
    grid-template-columns: 1fr;
  }

  .eff-section {
    padding: var(--eff-space-xl) var(--eff-space-sm);
  }

  .eff-section--hero {
    min-height: auto;
    padding-top: calc(var(--eff-nav-height) + 3rem);
    padding-bottom: 3rem;
  }

  .eff-h1 { font-size: 2.2rem; }
  .eff-h2 { font-size: 1.6rem; }

  .eff-card { padding: var(--eff-space-md); }

  .eff-footer__inner {
    flex-direction: column;
    gap: var(--eff-space-lg);
  }

  .eff-footer__nav {
    flex-direction: column;
    gap: var(--eff-space-lg);
  }

  .eff-footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .eff-scroll-hint {
    display: none;
  }
}

@media (max-width: 480px) {
  .eff-section {
    padding: var(--eff-space-lg) 1rem;
  }

  .eff-btn {
    width: 100%;
    justify-content: center;
  }

  .eff-btn-group {
    flex-direction: column;
  }
}