/* iosi.live - Landing Page Stylesheet (matches exact design from user photo) */

html { scroll-behavior: smooth; }

.landing-body {
  background: radial-gradient(120% 120% at 85% 15%, #EBE4FB 0%, #F8F5FD 45%, #E6DCFA 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Landing Top Navigation */
.landing-nav {
  padding: 18px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 100;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 768px) {
  .landing-nav {
    padding: 14px 20px;
  }
}

.landing-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.landing-brand-logo {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7b2cbf;
  filter: drop-shadow(0 4px 10px rgba(123, 44, 191, 0.3));
}

.landing-brand-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: #1e1935;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

@media (max-width: 992px) {
  .landing-nav-links {
    display: none;
  }
}

.landing-nav-link {
  text-decoration: none;
  color: #615a7d;
  font-size: 14.5px;
  font-weight: 600;
  transition: var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.landing-nav-link:hover {
  color: var(--primary);
}

.landing-nav-link.active {
  color: var(--primary-dark);
  font-weight: 700;
}

.landing-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
}

.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.landing-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  font-size: 14px;
  font-weight: 700;
  color: #4b4468;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  transition: var(--transition-fast);
}

.landing-lang-btn:hover {
  background: rgba(131, 56, 236, 0.08);
  color: var(--primary);
}

.btn-landing-login {
  padding: 9px 24px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  border: 1px solid rgba(220, 212, 240, 0.9);
  color: #2b2545;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(106, 0, 244, 0.05);
  transition: var(--transition-fast);
}

.btn-landing-login:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(106, 0, 244, 0.12);
}

.btn-landing-signup {
  padding: 9px 26px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #8338ec 0%, #6a00f4 100%);
  color: white;
  border: none;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(106, 0, 244, 0.35);
  transition: var(--transition-fast);
}

.btn-landing-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(106, 0, 244, 0.45);
}

/* Landing Hero Section */
.landing-hero {
  flex: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 48px 40px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 10;
  width: 100%;
}

@media (max-width: 1024px) {
  .landing-hero {
    grid-template-columns: 1fr;
    padding: 20px 24px;
    text-align: center;
  }
}

/* Hero Left Content */
.hero-content-col {
  max-width: 580px;
}

@media (max-width: 1024px) {
  .hero-content-col {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(131, 56, 236, 0.3);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(131, 56, 236, 0.08);
}

.hero-main-heading {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.4px;
  color: #1e1935;
  margin-bottom: 22px;
  font-synthesis: none;
}

@media (max-width: 768px) {
  .hero-main-heading {
    font-size: 28px;
    letter-spacing: 0;
    line-height: 1.25;
  }
}

.hero-italic-live {
  font-style: italic;
  font-weight: 700;
  background: linear-gradient(135deg, #9d4edd 0%, #6a00f4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-desc-text {
  font-size: 16px;
  line-height: 1.6;
  color: #675f82;
  margin-bottom: 34px;
  font-weight: 400;
}

.hero-action-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 38px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .hero-action-buttons {
    justify-content: center;
  }
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  background: linear-gradient(135deg, #8338ec 0%, #6a00f4 100%);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 15.5px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  box-shadow: 0 10px 28px rgba(106, 0, 244, 0.38);
  transition: var(--transition-bounce);
}

.btn-hero-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 36px rgba(106, 0, 244, 0.48);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(220, 212, 240, 0.9);
  color: #2b2545;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(106, 0, 244, 0.08);
  transition: var(--transition-fast);
}

.btn-hero-secondary:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(106, 0, 244, 0.15);
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 14px;
}

.proof-avatars-row {
  display: flex;
  align-items: center;
}

.proof-avatar-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2.5px solid #ffffff;
  margin-left: -10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.proof-avatar-img:first-child {
  margin-left: 0;
}

.proof-text-group {
  display: flex;
  flex-direction: column;
}

.proof-bold-number {
  font-size: 14px;
  font-weight: 800;
  color: #1e1935;
}

.proof-muted-label {
  font-size: 11.5px;
  color: #797194;
}

/* Hero Right 3D Mockup Visual */
.hero-visual-col {
  position: relative;
  width: 100%;
  height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 640px) {
  .hero-visual-col {
    height: 480px;
  }
}

/* Orbiting Rings Effect */
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(131, 56, 236, 0.18);
  pointer-events: none;
}

.orbit-ring-1 {
  width: 480px;
  height: 480px;
  transform: rotate(-15deg);
}

.orbit-ring-2 {
  width: 580px;
  height: 340px;
  transform: rotate(25deg);
  border-color: rgba(192, 132, 252, 0.25);
}

/* Tilted Background Travel Card */
.bg-travel-card {
  position: absolute;
  width: 240px;
  height: 330px;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(106, 0, 244, 0.16);
  transform: rotate(-14deg) translate(-100px, -20px);
  z-index: 1;
  border: 4px solid #ffffff;
  opacity: 0.9;
}

.bg-travel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Center Foreground 3D Floating Phone */
.center-glass-phone {
  position: relative;
  width: 320px;
  height: 520px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 6px solid #ffffff;
  box-shadow: 0 35px 80px -15px rgba(106, 0, 244, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.9);
  z-index: 2;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s ease;
}

.center-glass-phone:hover {
  transform: translateY(-8px) scale(1.02);
}

/* Floating 3D Camera Icon */
.floating-3d-cam-box {
  position: absolute;
  top: 40px;
  right: 15px;
  width: 90px;
  height: 90px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 15px 35px rgba(106, 0, 244, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  animation: floatSlow 6s ease-in-out infinite alternate;
}

.floating-3d-cam-box img {
  width: 65px;
  height: 65px;
}

/* Floating Video Chat Random Badge Card */
.floating-video-callout {
  position: absolute;
  bottom: 120px;
  right: -10px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  box-shadow: 0 15px 35px rgba(106, 0, 244, 0.18);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: floatSlow 7s ease-in-out infinite alternate-reverse;
}

@media (max-width: 640px) {
  .floating-video-callout {
    display: none;
  }
}

.callout-icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f1e9ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.callout-title {
  font-size: 13px;
  font-weight: 800;
  color: #1e1935;
  display: flex;
  align-items: center;
  gap: 6px;
}

.callout-green-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
}

.callout-sub {
  font-size: 11px;
  color: #797194;
}

/* Floating 3D Lilac Hearts */
.hero-floating-heart {
  position: absolute;
  z-index: 2;
  filter: drop-shadow(0 12px 28px rgba(131, 56, 236, 0.28));
  animation: floatSlow 6s ease-in-out infinite alternate;
}

.hero-heart-1 {
  top: 30px;
  right: 170px;
  width: 60px;
  height: 60px;
}

.hero-heart-2 {
  bottom: 80px;
  left: 20px;
  width: 75px;
  height: 75px;
  animation-duration: 8s;
  animation-delay: -2s;
}

.hero-heart-3 {
  bottom: 40px;
  right: 50px;
  width: 80px;
  height: 80px;
  animation-duration: 7s;
  animation-delay: -4s;
}

/* Landing Bottom 5 Feature Highlights Bar */
.landing-bottom-bar {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.9);
  padding: 30px 48px 24px;
  position: relative;
  z-index: 20;
  scroll-margin-top: 24px;
}
.landing-feature-item#safety {
  scroll-margin-top: 24px;
  outline: 2px solid transparent;
}
.landing-feature-item#safety:target {
  outline-color: rgba(106, 0, 244, .35);
  border-radius: 16px;
  background: rgba(250, 245, 255, .9);
  padding: 12px 8px;
}

.landing-bottom-grid {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .landing-bottom-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .landing-bottom-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.landing-feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.feature-pill-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f1e9ff;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  transition: var(--transition-fast);
}

.landing-feature-item:hover .feature-pill-icon {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
}

.landing-feature-title {
  font-size: 14px;
  font-weight: 800;
  color: #1e1935;
}

.landing-feature-desc {
  font-size: 12px;
  color: #797194;
  line-height: 1.35;
}

/* Mouse Scroll Down Indicator */
.mouse-scroll-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 12px;
  color: #8c84a8;
  font-weight: 600;
}

.mouse-icon {
  width: 16px;
  height: 24px;
  border: 2px solid #8c84a8;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 4px;
}

.mouse-wheel {
  width: 3px;
  height: 5px;
  background: #8c84a8;
  border-radius: 2px;
  animation: wheelDrop 1.5s infinite ease-in-out;
}

@keyframes wheelDrop {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(6px); opacity: 0; }
}

@media (max-width: 768px) {
  .landing-body { overflow-x: hidden; font-synthesis: none; }
  .landing-nav { padding: 12px 16px; gap: 8px; }
  .brand-wordmark { font-size: 18px; letter-spacing: 0; }
  .brand-wordmark span {
    -webkit-text-fill-color: #a64bdc;
    background: none;
  }
  .btn-landing-signup { display: none; }
  .landing-lang-btn span { max-width: 72px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .landing-hero { padding: 8px 16px 28px; gap: 18px; }
  .hero-pill-badge { margin-bottom: 14px; }
  .hero-main-heading {
    font-size: 28px;
    line-height: 1.25;
    letter-spacing: 0;
    font-weight: 800;
    max-width: 100%;
  }
  .hero-italic-live {
    -webkit-text-fill-color: #6a00f4;
    color: #6a00f4;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    font-style: italic;
  }
  .hero-desc-text { font-size: 15px; margin-bottom: 14px; letter-spacing: 0; }
  .hero-earn-text { margin: 0 0 20px; text-align: center; }
  .hero-action-buttons { flex-direction: column; width: 100%; margin-bottom: 22px; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }
  .hero-social-proof { justify-content: center; flex-wrap: wrap; }
  .hero-visual-col { height: 300px; margin: 0 auto; max-width: 230px; overflow: hidden; }
  .orbit-ring, .bg-travel-card, .hero-floating-heart, .floating-3d-cam-box, .floating-video-callout { display: none; }
  .center-glass-phone { width: 200px; height: 290px; border-radius: 28px; }
  .landing-bottom-bar { padding: 20px 16px 16px; }
  .site-footer-card { justify-content: center; text-align: center; }
}