/* ═══════════════════════════════════════════════════════════
   TARGET MARGIN LLC — Design System & Styles
   
   Color Palette:
   --bg-primary:    #0B1120  (Deep midnight navy)
   --bg-secondary:  #111827  (Charcoal)
   --bg-card:       #1A2332  (Card surface)
   --accent:        #22D3A0  (Finance green / teal)
   --accent-dim:    #1A9E78  (Accent hover)
   --text-primary:  #F1F5F9  (Off-white)
   --text-secondary:#94A3B8  (Soft slate)
   --text-muted:    #64748B  (Muted)
   --border:        #1E293B  (Subtle borders)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg-primary: #0B1120;
  --bg-secondary: #111827;
  --bg-card: #1A2332;
  --bg-card-hover: #1F2B3E;
  --accent: #22D3A0;
  --accent-dim: #1A9E78;
  --accent-glow: rgba(34, 211, 160, 0.15);
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border: #1E293B;
  --border-light: #2D3B50;

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════ SKIP TO CONTENT ═══════════ */
.skip-to-content {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 12px 24px;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 0 0 8px 8px;
  transition: top 0.3s var(--ease-out);
}

.skip-to-content:focus {
  top: 0;
  outline: none;
}

/* ═══════════ PAGE LOADER ═══════════ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__diamond {
  font-size: 2.4rem;
  color: var(--accent);
  animation: loaderPulse 1s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(0.9) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.1) rotate(90deg);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

/* ═══════════ UTILITIES ═══════════ */
.text-accent {
  color: var(--accent);
}

/* ═══════════ BUTTONS ═══════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

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

.btn--primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* ═══════════ NAVIGATION ═══════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  transition: all 0.4s var(--ease-out);
  background: transparent;
}

.nav.scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav__logo-icon {
  color: var(--accent);
  font-size: 1.4rem;
  transition: transform 0.4s var(--ease-spring);
}

.nav__logo:hover .nav__logo-icon {
  transform: rotate(90deg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.3s var(--ease-out);
}

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

.nav__link:hover::after {
  width: 100%;
}

.nav__link--cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  padding: 10px 24px;
  border-radius: 5px;
  font-weight: 600;
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}

.nav__mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 17, 32, 0.98);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s var(--ease-out);
  z-index: 999;
}

.nav__mobile-menu.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.nav__mobile-link:hover {
  color: var(--accent);
}

.nav__mobile-link--cta {
  color: var(--accent);
}

/* ═══════════ HERO ═══════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 160, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 160, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 70%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.5;
  }

  100% {
    transform: translate(-50px, 50px) scale(1.2);
    opacity: 0.8;
  }
}

.hero__content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero__eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--accent);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero__headline-accent {
  color: var(--accent);
  position: relative;
}

.hero__sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 1s var(--ease-out) 1.2s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.6);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ═══════════ EXPERIENCE BAR ═══════════ */
.experience-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 40px;
}

.experience-bar__container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 48px;
}

.experience-bar__item {
  flex: 1;
  text-align: center;
}

.experience-bar__label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.experience-bar__detail {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.experience-bar__divider {
  width: 1px;
  background: var(--border-light);
  align-self: stretch;
}

/* ═══════════ TOOLS & TECHNOLOGY ═══════════ */
.tools {
  padding: 120px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tools__container {
  max-width: 1100px;
  margin: 0 auto;
}

.tools__platforms {
  margin-bottom: 64px;
}

.tools__platform-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tools__platform {
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.3s var(--ease-out);
}

.tools__platform:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.tools__platform--accent {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.tools__platform--accent:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

.tools__rolodem {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px;
  position: relative;
  overflow: hidden;
}

.tools__rolodem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent 80%);
}

.tools__rolodem-content {
  max-width: 800px;
}

.tools__rolodem-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.tools__rolodem-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.rolodem__tm {
  font-size: 0.4em;
  color: var(--accent);
  vertical-align: super;
}

.tools__rolodem-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 4px;
}

.tools__rolodem-tagline {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.tools__rolodem-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.tools__rolodem-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.tools__rolodem-feature {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.tools__rolodem-feature strong {
  color: var(--text-primary);
}

.tools__rolodem-cta {
  display: inline-flex;
}




/* ═══════════ SECTION HEADER ═══════════ */
.section-header {
  margin-bottom: 64px;
}

.section-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-header__eyebrow::before {
  content: '';
  width: 20px;
  height: 1.5px;
  background: var(--accent);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-header__sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
}

/* ═══════════ SERVICES ═══════════ */
.services {
  padding: 120px 40px;
}

.services__container {
  max-width: 1100px;
  margin: 0 auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--accent-glow);
  color: var(--accent);
  margin-bottom: 24px;
  transition: all 0.4s var(--ease-out);
}

.service-card:hover .service-card__icon {
  background: var(--accent);
  color: var(--bg-primary);
  transform: scale(1.05);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card__desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.service-card__line {
  position: absolute;
  bottom: 0;
  left: 40px;
  right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

/* ═══════════ APPROACH ═══════════ */
.approach {
  padding: 120px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.approach__container {
  max-width: 900px;
  margin: 0 auto;
}

.approach__grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.approach__item {
  display: flex;
  gap: 40px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  transition: all 0.4s var(--ease-out);
}

.approach__item:last-child {
  border-bottom: none;
}

.approach__item:hover {
  padding-left: 16px;
}

.approach__number {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  min-width: 40px;
  padding-top: 4px;
  transition: opacity 0.3s ease;
}

.approach__item:hover .approach__number {
  opacity: 1;
}

.approach__content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.approach__content p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ═══════════ ABOUT ═══════════ */
.about {
  padding: 120px 40px;
}

.about__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 32px;
  margin-top: 8px;
}

.about__body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.about__body--emphasis {
  color: var(--text-primary);
  font-weight: 500;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  margin-top: 8px;
}

.about__visual {
  position: sticky;
  top: 120px;
}

.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.about__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.about__card-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.about__quote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-primary);
  font-style: normal;
}

/* ═══════════ CONTACT ═══════════ */
.contact {
  padding: 120px 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.contact__container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
  margin-top: 8px;
}

.contact__sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact__info-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact__info-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 500;
}

a.contact__info-value:hover {
  color: var(--accent);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.form-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: all 0.3s var(--ease-out);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Form Status */
.form-status {
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0;
  border-radius: 8px;
  transition: all 0.3s var(--ease-out);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
}

.form-status.visible {
  padding: 14px 18px;
  max-height: 100px;
  opacity: 1;
  margin-top: -8px;
}

.form-status--success {
  background: rgba(34, 211, 160, 0.1);
  border: 1px solid rgba(34, 211, 160, 0.3);
  color: var(--accent);
}

.form-status--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* Button Spinner */
.btn__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(11, 17, 32, 0.3);
  border-top-color: var(--bg-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn.loading .btn__text {
  opacity: 0;
}

.btn.loading .btn__spinner {
  display: block;
  position: absolute;
}

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

/* Form Validation States */
.form-input.invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.valid {
  border-color: var(--accent);
}

/* ═══════════ FOOTER ═══════════ */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer__container {
  max-width: 1100px;
  margin: 0 auto;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
}

.footer__name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.footer__llc {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer__legal {
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.6;
}

/* ═══════════ FOCUS STATES (Accessibility) ═══════════ */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--accent-glow);
}

.form-input:focus-visible {
  outline: none; /* Already has custom focus style */
}

/* ═══════════ REDUCED MOTION ═══════════ */
@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;
  }

  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
  }

  .page-loader {
    display: none;
  }
}

/* ═══════════ SCROLL ANIMATIONS ═══════════ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s var(--ease-out);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════ MICRO-INTERACTIONS ═══════════ */
.service-card,
.tools__platform,
.approach__item {
  will-change: transform;
}

.nav__link,
.footer__links a {
  position: relative;
}

/* Subtle text shimmer on hero accent */
.hero__headline-accent {
  background: linear-gradient(90deg, var(--accent), #4ade80, var(--accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShimmer 6s ease-in-out infinite;
}

@keyframes textShimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 900px) {
  .nav {
    padding: 0 24px;
  }

  .nav__links {
    display: none;
  }

  .nav__mobile-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 24px 60px;
  }

  .hero__scroll-indicator {
    display: none;
  }

  .experience-bar {
    padding: 32px 24px;
  }

  .experience-bar__container {
    flex-direction: column;
    gap: 24px;
  }

  .experience-bar__divider {
    display: none;
  }

  .tools {
    padding: 80px 24px;
  }

  .tools__platform-grid {
    gap: 8px;
  }

  .tools__platform {
    padding: 10px 16px;
    font-size: 0.82rem;
  }

  .tools__rolodem {
    padding: 32px 24px;
  }

  .tools__rolodem-features {
    grid-template-columns: 1fr;
  }

  .services {
    padding: 80px 24px;
  }

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

  .service-card {
    padding: 32px;
  }

  .approach {
    padding: 80px 24px;
  }

  .approach__item {
    flex-direction: column;
    gap: 12px;
    padding: 32px 0;
  }

  .approach__item:hover {
    padding-left: 0;
  }

  .about {
    padding: 80px 24px;
  }

  .about__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__visual {
    position: static;
  }

  .contact {
    padding: 80px 24px;
  }

  .contact__container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer {
    padding: 32px 24px;
  }

  .footer__top {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }

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

@media (max-width: 480px) {
  .hero__headline {
    font-size: 2.2rem;
  }

  .hero__sub {
    font-size: 1rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .section-header__title {
    font-size: 1.8rem;
  }

  .about__headline,
  .contact__headline {
    font-size: 1.8rem;
  }

  .about__card {
    padding: 32px;
  }

  .experience-bar__label {
    font-size: 1rem;
  }

  .experience-bar__detail {
    font-size: 0.82rem;
  }

  .tools__rolodem-title {
    font-size: 1.5rem;
  }

  .tools__rolodem-header {
    flex-wrap: wrap;
  }
}

/* ═══════════ SELECTION HIGHLIGHT ═══════════ */
::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

::-moz-selection {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ═══════════ SCROLLBAR ═══════════ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}