/* ============================================================
   ISSACHAR SOLUTIONS — Design System
   Replicating agent.nexus visual language
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg-dark: #000000;
  --color-bg-dark-lighter: #0A0A0A;
  --color-bg-light: #F7F8FA;
  --color-bg-white: #FFFFFF;
  --color-accent: #1B4A6B;
  --color-accent-hover: #143A54;
  --color-accent-gold: #E8A020;
  --color-text-dark: #0D2D3F;
  --color-text-body: #4A5568;
  --color-text-light: #7A8CA0;
  --color-text-white: #FFFFFF;
  --color-text-muted: #8A9AAA;
  --color-border-light: #E2E8F0;
  --color-border-dark: #1A1A1A;
  --color-red: #E53E3E;
  --color-card-dark: rgba(10, 10, 10, 0.5);

  /* Typography */
  --font-heading: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-sans: 'Inter', 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  /* Spacing */
  --section-padding: 100px;
  --content-max-width: 1440px;
  --card-gap: 28px;
  --card-padding: 36px;
  --card-radius: 12px;
  --btn-radius: 0px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
  --transition-base: 0.3s ease;
  --transition-smooth: 0.6s var(--ease-out-expo);
  --transition-reveal: 0.8s var(--ease-out-expo);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-dark);
  background: var(--color-bg-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
.heading-hero {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: normal;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-dark);
}

.heading-section {
  font-family: var(--font-heading);
  font-weight: 300;
  font-style: normal;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.heading-card {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
}

.text-body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-body);
}

.text-body-light {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.label-mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.label-mono-accent {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* --- Layout --- */
.container {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 5.5vw;
}

.section {
  padding: var(--section-padding) 0;
}

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.section-light {
  background: var(--color-bg-light);
}

.section-white {
  background: var(--color-bg-white);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--btn-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(27, 74, 107, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-dark);
  border-color: var(--color-text-dark);
}

.btn-secondary:hover {
  background: var(--color-text-dark);
  color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn-secondary-light {
  background: transparent;
  color: var(--color-text-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary-light:hover {
  border-color: var(--color-text-white);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s ease;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.navbar.nav-hidden {
  transform: translateY(-100%);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.navbar-logo img {
  height: 30px;
  width: auto;
}

.navbar-logo span {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text-dark);
  letter-spacing: -0.01em;
}

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

.navbar-links a {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-dark);
  transition: color var(--transition-base);
  position: relative;
}

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

.navbar-links a:hover::after {
  width: 100%;
}

.navbar-cta {
  display: flex;
  align-items: center;
}

.navbar-cta .btn {
  padding: 12px 24px;
  font-size: 11px;
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  transition: all 0.3s ease;
  border-radius: 2px;
}

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

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

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

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
}

.mobile-menu a {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-dark);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 200px;
  padding-bottom: 140px;
  overflow: hidden;
}

/* Hero right-side wave graphic */
.hero-wave {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 85vw;
  height: 120%;
  z-index: 0;
  mask-image: linear-gradient(to right, transparent 0%, transparent 15%, black 45%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, transparent 15%, black 45%);
  pointer-events: none;
}

#waveCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-eyebrow {
  margin-bottom: 24px;
}

.hero-headline {
  margin-bottom: 28px;
}

.hero-body {
  margin-bottom: 28px;
  max-width: 560px;
}

.hero-tagline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text-dark);
}

.hero-tagline::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  padding: 48px 0;
  background: var(--color-bg-light);
  overflow: hidden;
}

.trust-bar-label {
  text-align: center;
  margin-bottom: 32px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}

.marquee-wrapper {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
}

.marquee-track {
  display: flex;
  gap: 64px;
  animation: marquee 35s linear infinite;
  width: max-content;
}

.marquee-item {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.5;
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   STATS / OUTCOMES
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border-light);
  border-radius: var(--card-radius);
  overflow: hidden;
  margin-top: 56px;
}

.stat-card {
  padding: 40px var(--card-padding);
  border-right: 1px solid var(--color-border-light);
}

.stat-card:last-child {
  border-right: none;
}

.stat-label {
  margin-bottom: 16px;
}

.stat-number {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1;
  color: var(--color-text-dark);
  margin-bottom: 24px;
}

.stat-description {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.6;
  color: var(--color-text-light);
  max-width: 280px;
}

/* ============================================================
   PAIN POINTS (dark section with tabs)
   ============================================================ */
.pain-section {
  position: relative;
  background: var(--color-bg-dark);
  height: 250vh; /* Scroll-jacking spacer */
}

.pain-sticky-wrapper {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: max(20px, 5vh) 0;
  overflow: hidden;
  width: 100%;
}

.pain-sticky-wrapper .container {
  margin-top: auto;
  margin-bottom: auto;
}

.pain-section .heading-section {
  color: var(--color-text-white);
  margin-bottom: clamp(8px, 2vh, 20px);
}

.pain-subtitle {
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: clamp(24px, 5vh, 64px);
}

.pain-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vh, 48px);
  align-items: start;
  position: relative;
}

/* Ghost background number */
.pain-bg-number {
  position: absolute;
  right: 60px;
  top: -20px;
  font-family: var(--font-heading);
  font-size: 220px;
  font-weight: 200;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  z-index: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  user-select: none;
}

/* Tab buttons on left */
.pain-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pain-tab {
  text-align: left;
  padding: 20px 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.3s ease;
  border-radius: 0 8px 8px 0;
}

.pain-tab:hover {
  background: rgba(255, 255, 255, 0.03);
}

.pain-tab.active {
  border-left-color: var(--color-accent);
  background: rgba(27, 74, 107, 0.15);
}

.pain-tab-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 300;
  font-style: normal;
  color: rgba(255, 255, 255, 0.25);
  line-height: 1.2;
  transition: color 0.3s ease;
}

.pain-tab.active .pain-tab-title {
  color: var(--color-text-white);
}

.pain-tab-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.2);
  margin-top: 6px;
  transition: color 0.3s ease;
}

.pain-tab.active .pain-tab-sub {
  color: var(--color-text-muted);
}

/* Card content on right */
.pain-card-wrapper {
  position: relative;
  z-index: 1;
}

.pain-card-container {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

.pain-card {
  grid-column: 1;
  grid-row: 1;
  background: var(--color-bg-dark-lighter);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
  z-index: 0;
}

.pain-card.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  z-index: 1;
}

.pain-card-header {
  margin-bottom: 16px;
}

.pain-card-statement {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text-white);
  line-height: 1.4;
  margin-bottom: 28px;
}

.pain-card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.pain-card-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.pain-icon-x {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: rgba(229, 62, 62, 0.15);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--color-red);
  font-weight: 700;
  margin-top: 2px;
}

.pain-card-verdict {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-top: 20px;
  border-top: 1px solid var(--color-border-dark);
}

.pain-closing {
  text-align: center;
  margin-top: 64px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-accent);
}

/* Tab indicator dots */
.pain-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pain-dot {
  width: 32px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.pain-dot.active {
  background: var(--color-accent);
  width: 48px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.about-text .heading-section {
  margin-bottom: 24px;
}

.about-body {
  margin-bottom: 36px;
}

.about-traits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-trait {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 8px;
  transition: background var(--transition-base);
}

.about-trait:hover {
  background: var(--color-bg-light);
}

.about-trait-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(27, 74, 107, 0.08);
  color: var(--color-accent);
  margin-top: 2px;
}

.about-trait-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-trait-label {
  font-weight: 700;
  font-size: 15px;
  color: var(--color-text-dark);
}

.about-trait-desc {
  font-size: 14px;
  color: var(--color-text-body);
  margin-top: 2px;
}

/* Geometric visual */
.about-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-geo {
  position: relative;
  width: 320px;
  height: 320px;
}

.about-geo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  opacity: 0.1;
  animation: geoPulse 10s ease-in-out infinite;
}

.about-geo-ring:nth-child(1) {
  inset: 0;
  border: 1px dashed var(--color-accent);
  opacity: 0.2;
  animation: insetSpin 40s linear infinite;
}

.about-geo-ring:nth-child(2) {
  inset: 40px;
  animation-delay: -3s;
}

.about-geo-ring:nth-child(3) {
  inset: 80px;
  animation-delay: -6s;
  opacity: 0.05;
}

.about-geo-arc {
  position: absolute;
  width: 180px;
  height: 180px;
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  clip-path: polygon(0 0, 100% 0, 100% 50%, 0 50%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0deg);
  animation: arcSpin 20s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  opacity: 0.25;
}

.about-geo-arc:nth-child(4) {
  width: 240px;
  height: 240px;
  border-color: var(--color-text-dark);
  animation-direction: reverse;
  animation-duration: 45s;
  opacity: 0.1;
}

.about-geo-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.7;
  animation: dotBreathe 4s ease-in-out infinite;
}

@keyframes geoPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

@keyframes insetSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes arcSpin {
  0% { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
  50% { transform: translate(-50%, -50%) rotate(180deg) scale(1.02); }
  100% { transform: translate(-50%, -50%) rotate(360deg) scale(1); }
}

@keyframes dotBreathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.3; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
  margin-top: 56px;
}

.service-card {
  background: var(--color-bg-white);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: 0 2px 16px rgba(27, 74, 107, 0.06);
  transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out-expo);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(27, 74, 107, 0.12);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(27, 74, 107, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-accent);
}

.service-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card .heading-card {
  margin-bottom: 14px;
}

.service-card .text-body {
  font-size: 15px;
}

/* ============================================================
   PROCESS / HOW IT WORKS
   ============================================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
  position: relative;
}

/* Connecting line */
.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 1px;
  background: var(--color-border-light);
}

.process-step {
  text-align: center;
  position: relative;
}

.process-number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 200;
  font-style: normal;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 20px;
  position: relative;
}

.process-number::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.process-title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text-dark);
  margin-bottom: 12px;
  margin-top: 12px;
}

.process-desc {
  font-size: 14px;
  color: var(--color-text-body);
  line-height: 1.7;
}

.process-closing {
  text-align: center;
  margin-top: 64px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  color: var(--color-text-dark);
}

/* ============================================================
   RESULTS (dark section)
   ============================================================ */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
  margin-top: 56px;
}

.result-card {
  background: var(--color-bg-dark-lighter);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--card-radius) var(--card-radius) 0;
  padding: var(--card-padding);
}

.result-card .heading-card {
  color: var(--color-text-white);
  margin-bottom: 12px;
}

.result-card .text-body-light {
  font-size: 15px;
  color: var(--color-text-muted);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: var(--color-bg-dark);
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27, 74, 107, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .heading-section {
  color: var(--color-text-white);
  max-width: 700px;
  margin: 0 auto 20px;
}

.cta-subtext {
  color: var(--color-text-muted);
  font-size: 18px;
  margin-bottom: 40px;
}

.cta-micro {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 16px;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form-wrapper {
  max-width: 520px;
  margin: 0 auto;
  text-align: left;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.form-error {
  color: #ff6b6b;
  font-size: 12px;
  margin-top: 4px;
}

.form-input,
.form-textarea {
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border-dark);
  border-radius: 8px;
  color: var(--color-text-white);
  transition: border-color var(--transition-base);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.show {
  display: block;
}

.form-success-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.form-success h3 {
  font-family: var(--font-heading);
  font-style: normal;
  font-weight: 300;
  font-size: 28px;
  color: var(--color-text-white);
  margin-bottom: 12px;
}

.form-success p {
  color: var(--color-text-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border-dark);
  padding: 60px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

.footer-brand .navbar-logo {
  margin-bottom: 12px;
}

.footer-brand .navbar-logo span {
  color: var(--color-text-white);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-style: normal;
  font-weight: 300;
  font-size: 16px;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.footer-nav h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 15px;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

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

.footer-cta .btn {
  font-size: 11px;
  padding: 14px 28px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border-dark);
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ============================================================
   SCROLL REVEAL SYSTEM
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.35s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

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

/* Tablet */
@media (max-width: 1100px) {
  :root {
    --section-padding: 72px;
    --card-padding: 28px;
  }

  .navbar-links,
  .navbar-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-content {
    max-width: 100%;
  }

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

  .stat-card {
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
  }

  .stat-card:last-child {
    border-bottom: none;
  }

  .pain-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pain-tabs {
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0;
  }

  .pain-tab {
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 14px 20px;
    white-space: nowrap;
    border-radius: 0;
  }

  .pain-tab.active {
    border-bottom-color: var(--color-accent);
    border-left-color: transparent;
  }

  .pain-tab-title {
    font-size: 20px;
  }

  .pain-tab-sub {
    display: none;
  }

  .pain-bg-number {
    font-size: 140px;
    right: 20px;
    top: 0;
  }

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

  .about-visual {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }

  .about-traits {
    grid-template-columns: 1fr;
  }

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

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

  .process-steps::before {
    display: none;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --section-padding: 56px;
    --card-padding: 24px;
  }

  .container {
    padding: 0 20px;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
  }

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

  .btn-group .btn {
    width: 100%;
    text-align: center;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .pain-tabs {
    flex-direction: column;
  }

  .pain-tab {
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .pain-tab.active {
    border-left-color: var(--color-accent);
    border-bottom-color: transparent;
  }

  .pain-tab-sub {
    display: block;
  }
}