* { margin: 0; padding: 0; box-sizing: border-box; }

:root{
  /* Sky Dancer brand family */
  --brand-start:#42A5FF;  /* base */
  --brand-end:#1E88E5;    /* deeper */
  --brand-deep:#0B6CD4;   /* deepest */
  --brand-soft:#E8F4FF;   /* light surface */

  /* CTAs use the same family */
  --cta-start:#42A5FF;
  --cta-end:#1E88E5;

  /* Ink and surfaces */
  --ink:#1f2937;
  --ink-sub:#4b5563;
  --footer:#0b1b2b;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--ink);
  overflow-x: hidden;
  background: #fff;
}

html[dir="rtl"] body{
  font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
}

.logo img { height: 40px; width: auto; }

.nav-right{
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links { display: flex; list-style: none; gap: 1.5rem; }

.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 1rem;
}

.nav-links a:hover {
  color: var(--brand-end);
  background: rgba(66,165,255,0.12);
}
.nav-links a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-start) 0%, var(--brand-end) 100%);
  box-shadow: 0 6px 16px rgba(66,165,255,0.25);
}

/* Mobile menu */
.menu-toggle{
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.1);
  background: #fff;
  cursor: pointer;
  position: relative;
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
.menu-toggle span{
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--ink);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}
.menu-toggle span:nth-child(1){ top: 14px; }
.menu-toggle span:nth-child(2){ top: 21px; }
.menu-toggle span:nth-child(3){ top: 28px; }
.menu-toggle.active span:nth-child(1){ top: 21px; transform: rotate(45deg); }
.menu-toggle.active span:nth-child(2){ opacity: 0; }
.menu-toggle.active span:nth-child(3){ top: 21px; transform: rotate(-45deg); }

.mobile-panel{
  display: none;
  position: absolute;
  top: 64px;
  right: 5%;
  width: min(320px, 92vw);
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
  padding: 1rem;
  z-index: 1001;
}
html[dir="rtl"] .mobile-panel{
  right: auto;
  left: 5%;
}
.mobile-panel.open{ display: block; }
.mobile-panel a{
  display: block;
  padding: 0.7rem 0.6rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}
.mobile-panel a:hover{ background: var(--brand-soft); color: var(--brand-end); }
.mobile-panel a.active{
  background: linear-gradient(135deg, var(--brand-start) 0%, var(--brand-end) 100%);
  color: #fff;
}

/* Language toggle */
.lang-toggle{
  display: inline-flex;
  padding: 4px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 999px;
  background: rgba(0,0,0,0.04);
  gap: 4px;
}
.lang-btn{
  border: 0;
  background: transparent;
  padding: 6px 10px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 999px;
  font-size: 0.9rem;
}
.lang-btn.active{
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

/* Hero */
.hero {
  height: 100vh;
  background: linear-gradient(135deg, var(--brand-start) 0%, var(--brand-end) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,800 1000,1000"/></svg>');
  animation: float 20s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

.hero-content { max-width: 820px; z-index: 2; position: relative; padding: 0 1rem; }
.hero h1 { font-size: 3.4rem; font-weight: 800; margin-bottom: 1rem; opacity: 0; animation: slideUp 1s ease 0.5s forwards; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; opacity: 0; animation: slideUp 1s ease 0.7s forwards; }
.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 700;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.3);
  opacity: 0;
  animation: slideUp 1s ease 0.9s forwards;
}
.cta-button:hover { background: white; color: var(--brand-end); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(11, 108, 212, 0.3); }

@keyframes slideUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }

/* Page hero */
.page-hero {
  padding: 9rem 5% 3rem;
  background: linear-gradient(135deg, rgba(66,165,255,0.18) 0%, rgba(30,136,229,0.08) 100%);
}
.page-hero .hero-inner{
  max-width: 1200px;
  margin: 0 auto;
}
.page-hero h1{
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
}
.page-hero p{
  font-size: 1.15rem;
  color: var(--ink-sub);
  max-width: 900px;
}

/* Sections */
.section { padding: 5rem 5%; max-width: 1400px; margin: 0 auto; }
.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--brand-start) 0%, var(--brand-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.service-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}
.service-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(66, 165, 255, 0.22); }
.service-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--brand-start) 0%, var(--brand-end) 100%);
  border-radius: 15px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; color: white; font-size: 1.5rem;
}
.service-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; color: var(--ink); }
.service-card p { color: var(--ink-sub); line-height: 1.6; }

/* Focus blocks */
.focus-grid{
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}
.focus-card{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
  padding: 1.6rem;
}
.focus-head{
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}
.focus-icon{
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand-start) 0%, var(--brand-end) 100%);
  color: #fff;
  font-size: 1.1rem;
}
.focus-title{
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
}
.focus-card p{ color: var(--ink-sub); margin-bottom: 0.9rem; line-height: 1.7; }

/* Industry Collaboration + Commercialization */
.industry {
  background: radial-gradient(1200px 600px at 10% -10%, rgba(66,165,255,0.12), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(30,136,229,0.10), transparent 55%);
}
.industry-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}
.industry-lead {
  font-size: 1.05rem;
  color: var(--ink-sub);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1.2rem;
}
.pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 6px 16px rgba(66,165,255,0.12);
  font-weight: 600;
  color: #0b3d6e;
  font-size: 0.9rem;
}
.industry-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.industry-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--ink);
}
.benefit-list,
.engagement-list,
.patent-list {
  list-style: none;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.7rem;
}
.benefit-list li,
.engagement-list li,
.patent-list li {
  background: var(--brand-soft);
  border: 1px solid rgba(66,165,255,0.18);
  padding: 0.85rem 1rem;
  border-radius: 12px;
  color: var(--ink);
  position: relative;
  padding-left: 2.2rem;
}
.benefit-list li::before,
.engagement-list li::before,
.patent-list li::before {
  content: '✓';
  position: absolute;
  left: 0.8rem;
  color: var(--brand-end);
  font-weight: 700;
}
html[dir="rtl"] .benefit-list li,
html[dir="rtl"] .engagement-list li,
html[dir="rtl"] .patent-list li {
  padding-left: 1rem;
  padding-right: 2.2rem;
}
html[dir="rtl"] .benefit-list li::before,
html[dir="rtl"] .engagement-list li::before,
html[dir="rtl"] .patent-list li::before {
  left: auto;
  right: 0.8rem;
}
.industry-split {
  display: grid;
  gap: 1.5rem;
}
.highlight-box {
  background: linear-gradient(135deg, rgba(66,165,255,0.10) 0%, rgba(30,136,229,0.12) 100%);
  border: 1px solid rgba(66,165,255,0.25);
  padding: 1.25rem;
  border-radius: 16px;
  color: var(--ink);
}
.highlight-box strong { color: #0b3d6e; }


/* Impact */
.stats {
  background: linear-gradient(135deg, var(--brand-end) 0%, var(--brand-deep) 100%);
  color: white;
  text-align: center;
  padding: 4rem 5%;
}
.stats .section-title{
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: #fff;
  color: #fff;
  font-weight: 800;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.stat-item h3 { font-size: 3rem; font-weight: 800; margin-bottom: 0.5rem; }
.stat-item p { font-size: 1.1rem; opacity: 0.95; }
html[dir="rtl"] .stat-item h3{ direction: ltr; }

/* About */
.about { background: var(--brand-soft); }
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-text p { font-size: 1.05rem; color: var(--ink-sub); margin-bottom: 1.2rem; line-height: 1.8; }
.expertise-list { list-style: none; margin-top: 1.5rem; }
.expertise-list li { padding: 0.5rem 0; color: #555; position: relative; padding-left: 2rem; }
.expertise-list li::before { content: '✓'; position: absolute; left: 0; color: var(--brand-start); font-weight: bold; }
html[dir="rtl"] .expertise-list li{ padding-left: 0; padding-right: 2rem; }
html[dir="rtl"] .expertise-list li::before{ left: auto; right: 0; }

/* Testimonial */
.testimonial {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin: 1.5rem 0;
  position: relative;
}
.testimonial::before {
  content: '"';
  position: absolute; top: -10px; left: 20px;
  font-size: 4rem; color: var(--brand-start); font-weight: bold;
}
html[dir="rtl"] .testimonial::before{ left:auto; right:20px; }
.testimonial p { font-style: italic; font-size: 1.05rem; line-height: 1.8; margin-bottom: 1rem; }
.testimonial-author { font-weight: 700; color: var(--brand-end); }

/* Testimonial slider */
.ts { position: relative; max-width: 900px; margin: 0 auto; }
.ts-viewport { overflow: hidden; border-radius: 20px; }
.ts-track { display: flex; transition: transform 0.5s ease; }
.ts-slide { min-width: 100%; }

.ts-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.9);
  cursor: pointer; font-size: 1.4rem; line-height: 1;
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
.ts-prev { left: 6px; }
.ts-next { right: 6px; }
.ts-btn:hover { background: #fff; box-shadow: 0 10px 24px rgba(66,165,255,0.20); border-color: rgba(66,165,255,0.35); }

.ts-dots { display: flex; justify-content: center; gap: 8px; margin-top: 1rem; }
.ts-dot {
  width: 10px; height: 10px; border-radius: 999px;
  border: 0; cursor: pointer; background: rgba(0,0,0,0.2);
}
.ts-dot.active { background: var(--brand-end); width: 28px; }

/* Footer */
.footer { background: var(--footer); color: white; padding: 4rem 5% 2rem; }

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
  text-align: left;
}
html[dir="rtl"] .footer-content{ text-align: right; }

.footer-section h3 { margin-bottom: 1.2rem; color: var(--cta-start); font-size: 1.2rem; }
.footer-section p { line-height: 1.6; margin-bottom: 1rem; color: #ccd6e0; }

.footer-logo { display: flex; align-items: center; gap: 15px; margin-bottom: 1.5rem; }
.footer-logo img { height: 50px; width: auto; }
.footer-logo span { font-size: 1.3rem; font-weight: 800; color: white; }

.footer-right { display: grid; gap: 1.5rem; }
.footer-links { list-style: none; display: grid; gap: 0.6rem; }
.footer-links a { color: #ccd6e0; text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--cta-start); }

/* Address block */
.footer-address { margin-top: 1rem; }
.addr-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0.35rem 0;
  color: #ccd6e0;
}
html[dir="rtl"] .addr-line{ flex-direction: row-reverse; }
.addr-icon {
  display: inline-flex;
  width: 28px; height: 28px;
  align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: 0.95rem;
  line-height: 1;
  flex: 0 0 28px;
}
.footer-address a { color: #ccd6e0; text-decoration: none; }
.footer-address a:hover { color: var(--cta-start); }

/* Map card */
.map-card {
  margin-top: 1rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  aspect-ratio: 16 / 9;
}
.map-card iframe { width: 100%; height: 100%; border: 0; }

/* Page form (contact) */
.page-form {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
.page-form .form-group { margin-bottom: 1.2rem; }
.page-form .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 700; color: var(--ink); }
.page-form .form-group input,
.page-form .form-group textarea,
.page-form .form-group select {
  width: 100%;
  padding: 1rem;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  font-family: inherit;
  color: var(--ink);
}
.page-form .form-group textarea { min-height: 140px; resize: vertical; }
.page-form .form-group input::placeholder,
.page-form .form-group textarea::placeholder { color: rgba(0, 0, 0, 0.45); }
.page-form .form-group input:focus,
.page-form .form-group textarea:focus,
.page-form .form-group select:focus { outline: none; border-color: var(--cta-start); }

.submit-btn {
  background: linear-gradient(135deg, var(--cta-start) 0%, var(--cta-end) 100%);
  color: white;
  padding: 1rem 2rem;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(66, 165, 255, 0.3); }
.submit-btn[disabled] { opacity: 0.7; cursor: not-allowed; }

/* Alerts */
.form-alert {
  display: none;
  margin-bottom: 1rem;
  border-radius: 10px;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(66, 165, 255, 0.35);
  background: rgba(66, 165, 255, 0.12);
  color: var(--ink);
}
.form-alert.show { display: block; }

.error-text {
  display: none;
  font-size: 0.85rem;
  margin-top: 0.4rem;
  color: #ffb3b3;
}
.error-text.active { display: block; }
.input-error { border-color: #ef4444 !important; }

.footer-bottom {
  grid-column: 1 / -1;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #365670;
  text-align: center;
  color: #9db5c7;
}

/* RTL footer address alignment */
html[dir="rtl"] .footer-address {
  text-align: right;
}

html[dir="rtl"] .addr-line {
  width: 100%;
  flex-direction: row;          /* keep icon then text */
  justify-content: flex-end;    /* move the row to the right */
}

html[dir="rtl"] .addr-icon {
  margin-inline-end: 10px;      /* space between icon and text */
  margin-inline-start: 0;
}

/* Scroll animations */
.fade-in { opacity: 0; transform: translateY(50px); transition: all 0.8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-block; }
  .hero h1 { font-size: 2.5rem; }
  .hero p { font-size: 1.1rem; }
  .about-content { grid-template-columns: 1fr; gap: 2rem; }
  .industry-wrap { grid-template-columns: 1fr; }
  .section { padding: 4rem 5%; }
  .page-hero h1 { font-size: 2.2rem; }
  .footer-content { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  html[dir="rtl"] .footer-content{ text-align: center; }
  .addr-line { justify-content: center; }
  .map-card { aspect-ratio: 4 / 3; }
}