/* ============================================
   OrionX Company Site — style.css
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* --- CSS Variables --- */
:root {
  /* Brand Colors */
  --navy: #1a2b4f;
  --teal: #2d7d9a;
  --teal-light: #3a9fc2;
  --teal-dark: #1f5f78;

  /* Neutrals */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --header-gray: #e8ecef;
  --body-text: #333333;
  --subtle-text: #666666;
  --muted-text: #999999;

  /* Accent gradients */
  --hero-gradient: linear-gradient(135deg, #0d1b33 0%, #1a2b4f 40%, #1f3d5e 70%, #2d7d9a 100%);
  --section-bg-light: linear-gradient(180deg, #eef5f9 0%, #ffffff 100%);
  --contact-bg: linear-gradient(135deg, #e8f0f8 0%, #d6e8f5 50%, #eef5f9 100%);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --nav-height: 72px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--body-text);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* --- Section headings --- */
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.8rem;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--subtle-text);
  max-width: 680px;
  line-height: 1.8;
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-medium),
    box-shadow var(--transition-medium),
    backdrop-filter var(--transition-medium);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 24px rgba(26, 43, 79, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.header-logo img {
  height: 32px;
  width: auto;
  transition: opacity var(--transition-fast);
}

/* Logo switching: light version on hero, default when scrolled */
.header-logo .logo-default {
  display: none;
}

.header-logo .logo-light {
  display: block;
}

.site-header.scrolled .header-logo .logo-default {
  display: block;
}

.site-header.scrolled .header-logo .logo-light {
  display: none;
}

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

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
}

.site-header.scrolled .nav-links a {
  color: var(--navy);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: width var(--transition-medium);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--teal-light);
}

.site-header.scrolled .nav-links a:hover {
  color: var(--teal);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition-medium);
  border-radius: 2px;
}

.site-header.scrolled .hamburger span {
  background: var(--navy);
}

.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);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--hero-gradient);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  mix-blend-mode: luminosity;
}

/* Overlay gradient */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(13, 27, 51, 0.85) 0%,
      rgba(26, 43, 79, 0.6) 40%,
      rgba(45, 125, 154, 0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
  padding-top: var(--nav-height);
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--teal-light);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.3s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.5s forwards;
}

.hero-title span {
  display: block;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 40px;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.7s forwards;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.9s forwards;
}

.hero-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}

.hero-features li::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  background: var(--teal);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

/* Decorative hero accents */
.hero-accent {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 1;
  pointer-events: none;
}

.hero-accent--1 {
  width: 500px;
  height: 500px;
  background: rgba(45, 125, 154, 0.2);
  top: -100px;
  right: -100px;
}

.hero-accent--2 {
  width: 300px;
  height: 300px;
  background: rgba(45, 125, 154, 0.15);
  bottom: -50px;
  left: 10%;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

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

/* ============================================
   WHAT WE DO SECTION
   ============================================ */
.what-we-do {
  padding: var(--section-padding);
  background: var(--section-bg-light);
}

.what-we-do .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.what-we-do .section-subtitle {
  margin: 0 auto;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.benefit-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 2px 16px rgba(26, 43, 79, 0.06);
  transition: transform var(--transition-medium),
    box-shadow var(--transition-medium);
  border: 1px solid rgba(45, 125, 154, 0.08);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(26, 43, 79, 0.1);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefit-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.4;
}

.benefit-card p {
  font-size: 0.88rem;
  color: var(--subtle-text);
  line-height: 1.6;
}

/* ============================================
   ECOSYSTEM DIAGRAM (Radial + Glassmorphism)
   ============================================ */
.eco-section {
  margin-top: 64px;
}

.eco-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  text-align: center;
  margin-bottom: 8px;
}

.eco-subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--teal);
  text-align: center;
  font-weight: 500;
  margin-bottom: 40px;
}

.eco-container {
  position: relative;
  width: 100%;
  min-height: 700px;
  background: linear-gradient(135deg, #e8f4f8 0%, #f0f4ff 40%, #eef5f9 70%, #e6f0f5 100%);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(26, 43, 79, 0.08);
  border: 1px solid rgba(45, 125, 154, 0.1);
}

#ecoCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Center Hub */
.eco-center {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  box-shadow:
    0 8px 32px rgba(26, 43, 79, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  overflow: hidden;
  /* Centered via JS */
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  animation: ecoPulse 4s ease-in-out infinite;
}

.eco-center-logo {
  height: 30px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
}

.eco-center-tagline {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--teal);
  text-align: center;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

@keyframes ecoPulse {

  0%,
  100% {
    box-shadow:
      0 8px 32px rgba(26, 43, 79, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.5),
      0 0 0 0 rgba(45, 125, 154, 0);
  }

  50% {
    box-shadow:
      0 8px 32px rgba(26, 43, 79, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.5),
      0 0 0 20px rgba(45, 125, 154, 0.04);
  }
}

/* Nodes */
.eco-node {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-left: 3px solid var(--teal);
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(26, 43, 79, 0.06);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
  cursor: default;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  /* Positioned via JS */
}

/* Category color accents */
.eco-node[data-group="tourism"] {
  border-left-color: var(--teal);
}

.eco-node[data-group="non-credit"] {
  border-left-color: var(--navy);
}

.eco-node[data-group="open-loop"] {
  border-left-color: var(--teal-light);
}

.eco-node:hover {
  transform: scale(1.08) !important;
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 8px 32px rgba(45, 125, 154, 0.15);
  border-color: rgba(45, 125, 154, 0.3);
}

.eco-node-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  border-radius: 8px;
}

.eco-node[data-group="non-credit"] .eco-node-icon {
  background: linear-gradient(135deg, var(--navy) 0%, #0d1b33 100%);
}

.eco-node[data-group="open-loop"] .eco-node-icon {
  background: linear-gradient(135deg, #d4882e 0%, #b06b1a 100%);
}

.eco-node-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Category accents */
.eco-node[data-group="tourism"] {
  border-left-color: var(--teal);
}

.eco-node[data-group="non-credit"] {
  border-left-color: var(--navy);
}

.eco-node[data-group="open-loop"] {
  border-left-color: #d4882e;
}

/* Legend (bottom-right) */
.eco-legend {
  position: absolute;
  z-index: 4;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 4px 16px rgba(26, 43, 79, 0.06);
}

.eco-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.eco-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.eco-legend-item--tourism .eco-legend-dot {
  background: var(--teal);
}

.eco-legend-item--noncredit .eco-legend-dot {
  background: var(--navy);
}

.eco-legend-item--openloop .eco-legend-dot {
  background: #d4882e;
}

/* Mobile fallback: stack nodes vertically */
@media (max-width: 768px) {
  .eco-container {
    min-height: auto;
    padding: 32px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  #ecoCanvas {
    display: none;
  }

  .eco-center {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    margin-bottom: 20px;
  }

  .eco-node {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    width: 100%;
    max-width: 280px;
  }

  .eco-legend {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: 16px;
  }
}

/* ============================================
   PAIN POINTS SECTION
   ============================================ */
.pain-points {
  padding: var(--section-padding);
  background: var(--white);
}

.pain-points .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.pain-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: 20px;
  overflow: hidden;
}

.pain-card {
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 380px;
  transition: transform var(--transition-medium);
}

.pain-card:nth-child(1) {
  background: #0d1117;
  color: var(--white);
}

.pain-card:nth-child(2) {
  background: var(--navy);
  color: var(--white);
}

.pain-card:nth-child(3) {
  background: #d6e8f5;
  color: var(--navy);
}

.pain-card:nth-child(4) {
  background: var(--teal);
  color: var(--white);
}

.pain-card-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  opacity: 0.9;
}

.pain-card-icon svg {
  width: 48px;
  height: 48px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pain-card:nth-child(3) .pain-card-icon svg {
  stroke: var(--navy);
}

.pain-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  line-height: 1.3;
}

.pain-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.85;
}

.pain-card:nth-child(3) h3,
.pain-card:nth-child(3) p {
  color: var(--navy);
}

.pain-card:nth-child(3) p {
  opacity: 0.75;
}

/* ============================================
   FOUNDERS SECTION
   ============================================ */
.founders {
  padding: var(--section-padding);
  background: var(--light-gray);
}

.founders .section-header {
  margin-bottom: 60px;
}

.founders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.founder-card {
  text-align: center;
}

.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 20px;
  overflow: hidden;
  margin: 0 auto 24px;
  background: var(--header-gray);
  position: relative;
}

.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.founder-card:hover .founder-photo img {
  transform: scale(1.05);
}

.founder-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.founder-title {
  font-size: 0.9rem;
  color: var(--subtle-text);
  margin-bottom: 14px;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.founder-tag {
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 500;
}

.founders-quote {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--navy);
  line-height: 1.8;
  font-style: italic;
  position: relative;
  padding: 32px 0;
}

.founders-quote::before {
  content: '"';
  position: absolute;
  top: -8px;
  left: calc(50% - 20px);
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--teal);
  opacity: 0.3;
  line-height: 1;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--contact-bg);
  position: relative;
}

.contact .section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}

.contact-social {
  display: flex;
  gap: 12px;
}

.contact-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--navy);
  color: var(--white);
  border-radius: 10px;
  transition: all var(--transition-fast);
}

.contact-social a:hover {
  background: var(--teal);
  transform: translateY(-2px);
}

.contact-social a svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.contact-form-wrapper {
  background: var(--white);
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 4px 32px rgba(26, 43, 79, 0.06);
}

.contact-intro {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 700px;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

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

.form-group label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--teal);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 18px;
  border: 1.5px solid var(--header-gray);
  border-radius: 12px;
  background: var(--light-gray);
  color: var(--body-text);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
  max-width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(45, 125, 154, 0.1);
  background: var(--white);
}

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

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.btn-submit {
  grid-column: 1 / -1;
  justify-self: center;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 64px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 12px;
}

.btn-submit:hover {
  background: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 125, 154, 0.25);
}

.btn-submit:active {
  transform: translateY(0);
}

/* Form messages */
.form-message {
  grid-column: 1 / -1;
  text-align: center;
  padding: 16px;
  border-radius: 12px;
  font-size: 0.95rem;
  display: none;
}

.form-message.success {
  display: block;
  background: #e8f5e9;
  color: #2e7d32;
}

.form-message.error {
  display: block;
  background: #fce4ec;
  color: #c62828;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--navy);
  padding: 40px 0;
  text-align: center;
}

.footer-logo {
  margin-bottom: 16px;
}

.footer-logo img {
  height: auto;
  width: 140px;
  margin: 0 auto;
}

.footer-copyright {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 43, 79, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--teal-light);
}

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

/* Tablet */
@media (max-width: 1024px) {
  .container {
    padding: 0 28px;
  }

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

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

  .pain-card {
    min-height: 320px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 72px 0;
    --nav-height: 64px;
  }

  .container {
    padding: 0 20px;
  }

  .section-title {
    font-size: 2rem;
  }

  /* Header */
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
  }

  .hero-content {
    padding: 0 20px;
    padding-top: var(--nav-height);
  }

  .hero-title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero-features {
    flex-direction: column;
    gap: 12px;
  }

  /* Benefits */
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }


  /* Pain Points */
  .pain-cards {
    grid-template-columns: 1fr;
  }

  .pain-card {
    min-height: auto;
    padding: 40px 24px;
  }

  /* Founders */
  .founders-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .founders-quote {
    font-size: 1rem;
    padding: 24px 0;
  }

  /* Contact */
  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: 28px 20px;
  }

  .contact .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 0.85rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }
}