/* ============================================
   Premium Visual Polish — Curiate
   ============================================ */

/* --- Global noise texture & base --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* --- Section dividers (replace harsh borders) --- */
.section1,
.section2,
.section3,
.section4,
.section5,
.section7,
.section8 {
  border-bottom: none;
  position: relative;
}

.section1::after,
.section2::after,
.section3::after,
.section4::after,
.section5::after,
.section7::after,
.section8::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.12), transparent);
}

/* --- Alternating section backgrounds --- */
.section3,
.section5,
.section7,
.section9 {
  background-color: var(--color-surface);
}

.section4,
.section8 {
  background-color: var(--color-surface-muted);
}

.section3,
.section4,
.section5,
.section7,
.section8,
.section9 {
  padding: var(--section-padding) 0;
}

/* --- Navigation glass --- */
.navbar-glass {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              backdrop-filter var(--duration-normal) var(--ease-out);
}

.navbar-glass.navbar-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

nav.navbar.navbar-expand-lg.navbar-glass {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  z-index: 1000;
}

.navbar-glass .navbar-nav .nav-link {
  position: relative;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.navbar-glass .navbar-nav .nav-link:hover {
  opacity: 0.7;
}

.navbar-glass .navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.5rem;
  right: 0.5rem;
  height: 2px;
  background: var(--color-brand-blue);
  border-radius: 1px;
}

/* --- Typography --- */
h4.fw-bold {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-text);
}

.sectioninfo,
.section4-content,
.section5-content {
  line-height: 1.7;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

.text-accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Scroll reveal --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(4px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out),
              filter var(--duration-slow) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 80ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* --- Hero ambient layers --- */
.premium-hero {
  position: relative;
  overflow: hidden;
}

.hero-ambient {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.premium-hero .container-fluid {
  position: relative;
  z-index: 1;
}

.hero-mesh {
  position: absolute;
  inset: -50%;
  background: var(--gradient-mesh),
              radial-gradient(ellipse at 60% 80%, rgba(0, 123, 255, 0.06) 0%, transparent 40%);
  background-size: 200% 200%;
  animation: meshDrift 20s ease-in-out infinite alternate;
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  width: 60%;
  height: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(0, 123, 255, 0.12) 0%, transparent 70%);
  filter: blur(80px);
}

.hero-particles {
  position: absolute;
  inset: 0;
}

.hero-particle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: rgba(0, 123, 255, 0.15);
  animation: particleFloat var(--duration) var(--delay) ease-in-out infinite;
}

.premium-hero {
  animation: fadeUp 0.8s var(--ease-out) both;
}

/* --- Product showcase (Section 2) --- */
.section2 {
  position: relative;
  background: var(--color-surface-muted);
}

.section2::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70%;
  height: 70%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(0, 123, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.product-showcase {
  display: flex;
  justify-content: center;
  padding: 0 1rem;
  animation: fadeUp 0.8s var(--ease-out) 0.2s both,
             productFloat 6s ease-in-out 1s infinite;
}

.product-frame {
  position: relative;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transform-style: preserve-3d;
}

.product-frame::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-md) + 2px);
  background: var(--gradient-brand);
  opacity: 0;
  z-index: -1;
  animation: activityPulse 4s ease-in-out infinite;
}

.product-frame-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #f0f0f2;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.product-frame-bar::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 16px 0 0 #febc2e, 32px 0 0 #28c840;
}

.product-frame-bar::after {
  content: 'curiate.cc';
  flex: 1;
  margin-left: 48px;
  padding: 4px 12px;
  background: #fff;
  border-radius: 6px;
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  font-family: "Roboto", sans-serif;
}

.product-frame .curiatelanding {
  display: block;
  width: 100%;
  padding: 0 !important;
  border-radius: 0;
}

.product-glow {
  position: absolute;
  bottom: -20%;
  left: 50%;
  width: 80%;
  height: 40%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(0, 123, 255, 0.2) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* --- Feature rows --- */
.feature-row img {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.feature-image-wrap {
  position: relative;
  display: inline-block;
  border-radius: var(--radius-sm);
}

.feature-image-wrap::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: calc(var(--radius-sm) + 4px);
  background: var(--gradient-brand);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.feature-image-wrap:hover::before {
  opacity: 0.15;
}

.feature-image-wrap:hover img {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.feature-image-wrap img {
  display: block;
  width: 100%;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

/* --- Buttons --- */
.btn-premium,
.themebtn {
  background: var(--gradient-brand) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  padding: 10px 28px !important;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out) !important;
}

.btn-premium:hover,
.themebtn:hover {
  background: var(--gradient-brand-hover) !important;
  transform: scale(1.03);
  box-shadow: var(--shadow-glow);
  color: #fff !important;
}

.btn-premium:active,
.themebtn:active {
  transform: scale(0.98);
}

.btn-premium:focus-visible,
.themebtn:focus-visible {
  outline: 2px solid var(--color-brand-blue);
  outline-offset: 2px;
}

/* --- Floating Sign Up button --- */
.floating-signup {
  position: fixed;
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  right: max(1.5rem, env(safe-area-inset-right));
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.95);
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  text-decoration: none;
}

.floating-signup.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.floating-signup.is-hidden-near-cta {
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
}

/* --- Company page (desktop: swiper slides) --- */
.about-sections.swiper:not(.company-static) {
  width: 100%;
  height: calc(100dvh - 82px);
  min-height: 320px;
}

.about-sections.js-slides-ready .swiper-slide:not(.slide-content-visible) h2,
.about-sections.js-slides-ready .swiper-slide:not(.slide-content-visible) .section-info {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.about-sections.js-slides-ready .swiper-slide.slide-content-visible h2 {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.about-sections.js-slides-ready .swiper-slide.slide-content-visible .section-info {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  transition-delay: 100ms;
}

/* --- Company page (mobile: normal scroll) --- */
.about-sections.company-static {
  height: auto !important;
  min-height: 0 !important;
  overflow: visible !important;
}

.about-sections.company-static > .swiper-wrapper,
.about-sections.company-static > .swiper-pagination {
  height: auto !important;
  display: block !important;
}

.about-sections.company-static .swiper-wrapper {
  display: block !important;
  height: auto !important;
  transform: none !important;
}

.about-sections.company-static .swiper-slide {
  height: auto !important;
  min-height: 0 !important;
  padding: 2.5rem 0 !important;
  overflow: visible !important;
  display: block !important;
  width: 100% !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.about-sections.company-static .swiper-slide:last-child {
  border-bottom: none;
}

.about-sections.company-static .swiper-pagination {
  display: none !important;
}

.about-sections.company-static .swiper-slide h2,
.about-sections.company-static .swiper-slide .section-info {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

.about-sections.company-static .section-inner {
  padding: 0 1rem;
}

.about-sections .section-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.about-sections .section-info {
  line-height: 1.7;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

/* --- Section 9 CTA --- */
.section9 h4.fw-bold {
  font-size: clamp(1rem, 2vw, 1.125rem) !important;
}

.section9-logo {
  width: 250px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.section9-heading {
  font-size: clamp(1rem, 2vw, 1.125rem) !important;
}

/* --- Partner logos --- */
.section6 {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

#backed-heading {
  margin-bottom: 1.5rem;
}

.partnerslogo img {
  opacity: 0.6;
  filter: grayscale(30%);
  transition: opacity var(--duration-normal) var(--ease-out),
              filter var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

.partnerslogo img:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* --- Footer --- */
.footermain {
  background: var(--color-surface-muted);
  padding: 1rem 0;
}

.footermain .border-top {
  border-top: none !important;
  position: relative;
  padding-top: 1.5rem;
}

.footermain .border-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
}

.copyright-text {
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.footermain .nav-link {
  color: var(--color-text-muted) !important;
  transition: color var(--duration-fast) var(--ease-out);
}

.footermain .nav-link:hover {
  color: var(--color-brand-blue) !important;
}

footer i,
.footermain .text-muted i {
  transition: transform var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

footer a:hover i,
.footermain a:hover i {
  transform: scale(1.15);
  color: var(--color-brand-blue) !important;
}

/* --- Keyframes --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes meshDrift {
  0% { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-20px) translateX(10px);
    opacity: 0.6;
  }
}

@keyframes productFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes activityPulse {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.4; }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .product-showcase {
    animation: none;
  }

  .hero-mesh {
    animation: none;
  }

  .product-frame::after {
    animation: none;
    opacity: 0;
  }
}

/* --- Responsive --- */
@media screen and (max-width: 767px) {
  .product-frame-bar::after {
    font-size: 9px;
    margin-left: 40px;
  }

  .feature-image-wrap:hover img {
    transform: none;
  }

  .floating-signup {
    padding: 8px 20px !important;
    font-size: 0.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .floating-signup {
    transform: none;
  }

  .floating-signup.is-visible {
    transform: none;
  }

  .floating-signup.is-hidden-near-cta {
    transform: none;
  }

  .about-sections .swiper-slide h2,
  .about-sections .swiper-slide .section-info {
    opacity: 1;
    transform: none;
    transition: none;
  }
}