/* =========================================================
   RIVR — Alkaline Water Website
   ========================================================= */

:root{
  --navy: #10305c;
  --navy-deep: #0a2547;
  --blue: #2f80ed;
  --blue-light: #6fb3f2;
  --sky: #eaf6ff;
  --sky-2: #dcefff;
  --ink: #1c2b3a;
  --muted: #5b6b7f;
  --white: #ffffff;
  --wave-1: #bfe3ff;
  --wave-2: #5aa8ec;
  --wave-3: #1c6fd1;
  --wave-4: #0b3d7a;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow: 0 20px 45px rgba(16, 48, 92, 0.14);
  --shadow-sm: 0 10px 24px rgba(16, 48, 92, 0.10);

  --container: 1180px;
  --ease: cubic-bezier(.22, .8, .32, 1);
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4{
  font-family: 'Poppins', sans-serif;
  color: var(--navy);
  margin: 0 0 .5em;
  line-height: 1.2;
}

p{ margin: 0 0 1em; color: var(--muted); line-height: 1.7; }

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

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

ul{ list-style: none; margin: 0; padding: 0; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 40px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary{
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover{
  background: var(--white);
  color: var(--navy);
  transition: all .3s ease;
}
.btn-outline{
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline:hover{
  background: var(--navy);
  color: var(--white);
}
.btn-outline-home-banner{
  background: transparent;
  border-color:#fff;
  color: #fff;
}
.btn-outline-home-banner:hover{
  background: var(--navy);
  color: var(--white);
  border-color:#0a2547;
  transition: all .3s ease;

}
.btn-block{ width: 100%; }

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(16,48,92,.06);
  transition: box-shadow .3s ease, background-color .3s ease;
}
.navbar.scrolled{
  box-shadow: 0 8px 24px rgba(16,48,92,.08);
  background: rgba(255,255,255,.96);
}
.nav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 20px;
}
.logo img{ height: 34px; width: auto; }

.nav-links{
  display: flex;
  gap: 34px;
  margin: 0 auto;
}
.nav-link{
  position: relative;
  font-weight: 500;
  color: var(--navy);
  padding: 1px 2px;
}
.nav-link::after{
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width .3s var(--ease);
}
.nav-link:hover::after,
.nav-link.active::after{ width: 100%; }
.nav-link.active{ color: var(--blue); }

.nav-cta{ padding: 11px 26px; font-size: .9rem; }

.menu-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span{
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.menu-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2){ opacity: 0; }
.menu-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative;
  background: linear-gradient(135deg, rgba(9, 26, 45, 0.75), rgba(12, 30, 50, 0.9));
  padding-top: 175px;
  overflow: hidden;
}
.hero-inner{
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 30px;
  min-height: 560px;
}
.hero-copy h1{
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  font-weight: 700;
  color: #fff;
}
.hero-sub{
  font-size: 1.1rem;
  color:#fff;
  opacity: .8;
  margin-bottom: 1.6em;
}
.highlight{ color: var(--blue); font-weight: 600; }
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }

.hero-media{
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-bottle{
  width: min(70%, 380px);
  filter: drop-shadow(0 40px 40px rgba(11,61,122,.28));
  animation: float 5s ease-in-out infinite;
}
@keyframes float{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-16px); }
}
.droplet{
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--blue-light) 60%, transparent 100%);
  opacity: .8;
  animation: drop 3.4s ease-in-out infinite;
}
.d1{ width: 14px; height: 14px; top: 18%; left: 12%; animation-delay: 0s; }
.d2{ width: 10px; height: 10px; top: 65%; right: 10%; animation-delay: .8s; }
.d3{ width: 8px; height: 8px; top: 40%; right: 22%; animation-delay: 1.6s; }
.d4{ width: 12px; height: 12px; bottom: 12%; left: 22%; animation-delay: 2.2s; }
@keyframes drop{
  0%, 100%{ transform: translateY(0); opacity: .5; }
  50%{ transform: translateY(-14px); opacity: 1; }
}

.hero-waves{
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.wave{
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 55%;
}
.wave-1 path{ fill: var(--wave-2); opacity: .35; }
.wave-2 path{ fill: var(--wave-3); opacity: .55; }
.wave-3 path{ fill: var(--wave-4); opacity: .95; }
.wave-1{ animation: waveShift 12s ease-in-out infinite; }
.wave-2{ animation: waveShift 9s ease-in-out infinite reverse; }
.wave-3{ animation: waveShift 15s ease-in-out infinite; }
@keyframes waveShift{
  0%, 100%{ transform: translateX(0); }
  50%{ transform: translateX(-3%); }
}
.hero-ripple, .ripple-layer{
  position: absolute; 
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}
/* =========================================================
   ABOUT
   ========================================================= */
  .about.reference-about { background:var(--white); padding:100px 0 ; }
  .reference-about .about-inner { display:grid; grid-template-columns:minmax(0, .95fr) minmax(0, 1.05fr); gap:76px; align-items:center; }
  .reference-about .about-media { position:relative; min-height:390px; }
  .reference-about .about-media img { width:76%; height:330px; object-fit:cover; border-radius:22px; display:block; box-shadow:0 14px 35px rgba(16, 48, 92, 0.14); }
  .reference-about .about-media::after { content:""; position:absolute; right:0; bottom:0; width:58%; height:205px; background:url('../images/blog4.png') center/cover; border:10px solid var(--white); border-radius:22px; box-shadow:0 14px 35px rgba(16, 48, 92, 0.14); }
  .reference-about .about-copy { max-width:620px; }
  .reference-about .about-copy h2 { margin:8px 0 20px; color:var(--navy); font-size:clamp(2rem,4vw,3.3rem); line-height:1.08; font-weight:700; }
  .reference-about .about-copy h2::before { content:'OUR STORY'; display:block; margin-bottom:5px; color:var(--blue); font-size:.72rem; letter-spacing:.18em; font-weight:800; }
  .reference-about .about-copy h2 em { font-family:Georgia,serif; font-weight:400; }
  .reference-about .about-copy > p { color:var(--muted); line-height:1.75; margin:0 0 20px; }
  .reference-about .feature-icons { display:grid; grid-template-columns:1fr 1fr; gap:13px 25px; margin:20px 0 20px; }
  .reference-about .feature-icon { display:flex; align-items:center; gap:10px; }
  .reference-about .feature-icon .icon-circle { width:23px; height:23px; flex:0 0 23px; border-radius:50%; display:grid; place-items:center; }
  .reference-about .feature-icon .icon-circle svg { width:25px; height:25px; fill:none; stroke:var(--blue); stroke-width:2.5; }
  .reference-about .feature-icon p { margin:0; color:var(--ink); font-size:.82rem; font-weight:600; line-height:1.25; }
  .reference-about .about-cta { display:inline-flex; align-items:center; gap:9px; padding:14px 25px; border-radius:30px; text-decoration:none; margin-top:16px; }
  @media (max-width:760px) { .reference-about .about-inner{grid-template-columns:1fr;gap:35px}.reference-about .about-media{min-height:320px}.reference-about .about-media img{height:270px}.reference-about .feature-icons{gap:12px}.reference-about{padding:65px 0!important} }


  /* =========================================================
   PRODUCTS
   ========================================================= */
.products {
  background-image: url("images/water-bg.jpg"); /* fallback if WebGL is unavailable */
  background-size: cover;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.ripple-layer{
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}
.products .container{
  position: relative;
  z-index: 1;
}
.section-head{ text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2{
  font-size: 2.1rem;
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-head h2::after{
  content: "";
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 56px; height: 3px;
  background: var(--blue);
  border-radius: 2px;
}

.product-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px 24px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease),
              box-shadow .4s var(--ease);
}
.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}
.product-slider {
  position: relative;
  height: 260px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  overflow: hidden;
  background: var(--sky);
}
.product-slides {
  position: relative;
  width: 100%;
  height: 100%;
}
.product-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition:
    opacity .5s ease,
    transform .5s ease,
    visibility .5s ease;
}
.product-slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
.product-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;

  transition: transform .6s var(--ease);
}
.product-card:hover .product-slide.active img {
  transform: scale(1.04);
}
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.30);
  color: #fff;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition:
    background .3s ease,
    transform .3s ease;
}
.prev-arrow {
  left: 12px;
}
.next-arrow {
  right: 12px;
}
.slider-arrow:hover {
  background: rgba(0, 0, 0, 0.55);
  transform: translateY(-50%) scale(1.08);
}
.slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 5px;
  z-index: 10;
}
.slider-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: #ffffff;
  cursor: pointer;
  transition:
    width .3s ease,
    background .3s ease,
    border-radius .3s ease;
}
.slider-dot.active {
  width: 18px;
  border-radius: 10px;
  background: #1769e0;
}
.product-card h3 {
  font-size: 1.15rem;
  margin-bottom: 2px;
}
.product-card p {
  font-size: .9rem;
  margin-bottom: 18px;
}
/* =========================================================
   WHY RIVR
   ========================================================= */
.why{ 
  padding: 100px 0;
 }
.why-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card{
  border: 1px solid #e6edf5;
  border-radius: var(--radius-md);
  padding: 34px 24px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
}
.why-card:hover{
  transform: translateY(-8px);
  border-color: transparent;
}
.icon-square{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--sky);
  margin-bottom: 20px;
}
.icon-square svg{
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.why-card h3{ font-size: 1.08rem; margin-bottom: 8px; }
.why-card p{ font-size: .9rem; margin: 0; }

/* =========================================================
   LIFESTYLE
   ========================================================= */
.lifestyle{
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.lifestyle-bg{
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  will-change: transform;
}
.lifestyle-overlay{
  position: absolute; inset: 0;
  background-image:url('../images/why-bg.jpg');
  background-size: cover;
  background-position: center;
}
.lifestyle-inner{
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 30px;
  padding: 90px 24px;
}
.lifestyle-copy h2{
  color: var(--white);
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
}
.lifestyle-copy p{
  color: rgba(255,255,255,.78);
  max-width: 42ch;
}

/* =========================================================
   TESTIMONIALS
   ========================================================= */

.testimonials {
  background: var(--sky);
  padding: 100px 0;
}

.testimonial-carousel {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

.carousel-track {
  position: relative;
  flex: 1;
  overflow: hidden;
  min-height: 280px;
}

.testimonial-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;

  position: absolute;
  inset: 0;

  opacity: 0;
  transform: translateX(60px);

  pointer-events: none;

  transition:
    opacity 1s ease,
    transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.testimonial-group.active {
  opacity: 1;
  transform: translateX(0);

  pointer-events: auto;
  position: relative;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 35px 28px 28px;
  box-shadow: var(--shadow-sm);
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quote-mark {
  font-family: 'Poppins', sans-serif;
  font-size: 3rem;
  color: var(--blue);
  line-height: 0.6;
  display: block;
  margin-bottom: 15px;
}

.testimonial-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 25px;
}

.testimonial-author img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  margin: 0;
  font-size: 0.98rem;
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--muted);
}

/* Arrows */

.carousel-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid #d7e3ef;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  flex-shrink: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  transition:
    background-color 0.3s,
    color 0.3s,
    transform 0.3s;
}

.carousel-arrow:hover {
  background: var(--navy);
  color: var(--white);
  transform: scale(1.06);
}

/* Dots */

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c6d6e6;
  cursor: pointer;
  transition:
    background-color 0.3s,
    transform 0.3s;
}

.dot.active {
  background: var(--navy);
  transform: scale(1.3);
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 900px) {

  .testimonial-carousel {
    max-width: 750px;
  }

  .testimonial-group {
    gap: 15px;
  }

  .testimonial-card {
    padding: 28px 22px;
  }
  .testimonial-card p {
    font-size: 0.92rem;
  }
}
/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 650px) {

  .testimonial-carousel {
    gap: 8px;
  }

  .testimonial-group {
    grid-template-columns: 1fr;
  }

  .testimonial-card {
    min-height: 220px;
    padding: 30px 25px;
  }

  /* Only show the first card of each group on mobile */
  .testimonial-group .testimonial-card:not(:first-child) {
    display: none;
  }

  .carousel-arrow {
    width: 36px;
    height: 36px;
  }

}
/* =========================================================
   CTA
   ========================================================= */
.cta{
  position: relative;
  padding: 120px 0 80px;
  background: var(--navy-deep);
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
}
.cta video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}
.cta::before{
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
.cta-inner{
  position: relative;
  z-index: 2;
}
.cta-inner h2{ font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
.cta-inner p{ max-width: 46ch; margin-left: auto; margin-right: auto; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{ background: #0a2547; color: rgba(255,255,255,.75); padding-top: 70px; }
.footer-inner{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand img{ height: 30px; margin-bottom: 14px; }
.footer-brand p{ color: rgba(255,255,255,.6); font-size: .9rem; margin-bottom: 18px; }
.social-icons{ display: flex; gap: 12px; }
.social-icons a{
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(189, 45, 45, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color .3s, transform .3s;
}
.social-icons svg{ width: 16px; height: 16px; fill: var(--white); }
.social-icons a:hover{ background: rgba(255, 253, 253, 0.2); transform: translateY(-3px); }

.footer-col h4{ color: var(--white); font-size: 1rem; margin-bottom: 18px; }
.footer-col a{
  display: block;
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  margin-bottom: 12px;
  transition: color .3s, transform .3s;
}
.footer-col a:hover{ color: var(--white); transform: translateX(4px); }

.footer-bottom{
  text-align: center;
  padding: 22px 0;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
}

/* =========================================================
   BACK TO TOP
   ========================================================= */
#backToTop{
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--navy);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, visibility .3s, background-color .3s;
  box-shadow: var(--shadow-sm);
}
#backToTop.show{ opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover{ background: var(--blue); }

/* =========================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================= */
.reveal{
  opacity: 0;
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal[data-reveal="up"]{ transform: translateY(46px); }
.reveal[data-reveal="left"]{ transform: translateX(-46px); }
.reveal[data-reveal="right"]{ transform: translateX(46px); }
.reveal.in-view{
  opacity: 1;
  transform: translate(0, 0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; text-align: center; min-height: auto; padding: 40px 0 60px; }
  .hero-actions{ justify-content: center; }
  .hero-media{ order: -1; }
  .about-inner{ grid-template-columns: 1fr; }
  .about-media img{ aspect-ratio: 16/10; }
  .product-grid{ grid-template-columns: repeat(2, 1fr); }
  .why-grid{ grid-template-columns: repeat(2, 1fr); }
  .lifestyle-inner{ grid-template-columns: 1fr; text-align: center; }
  .lifestyle-copy p{ margin-left: auto; margin-right: auto; }
  .footer-inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px){
  .nav-links{
    position: fixed;
    top: 66px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transform: translateY(-140%);
    transition: transform .35s var(--ease);
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-cta{ display: none; }
  .menu-toggle{ display: flex; }
  .feature-icons{ grid-template-columns: repeat(2, 1fr); }
  .product-grid{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; text-align: center; }
  .social-icons{ justify-content: center; }
  .testimonial-card{ padding: 34px 24px 26px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}



/* about us page */
/* HERO */
.about-hero{position:relative;background:linear-gradient(180deg,var(--sky) 0%,var(--sky-2) 100%);padding:80px 0 70px;overflow:hidden}
.about-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-hero h1{font-size:clamp(2.2rem,4.4vw,3.1rem)}
.about-hero h2.tagline{font-size:clamp(1.3rem,2.4vw,1.7rem);color:var(--navy);font-weight:600;margin-bottom:.6em}
.about-hero p.lead{max-width:44ch;font-size:1.02rem}
.hero-quick-icons{display:flex;align-items:center;gap:22px;margin-top:28px}
.qi{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;width:110px}
.qi-circle{width:58px;height:58px;border-radius:50%;border:1.6px solid var(--blue);display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease),background-color .3s}
.qi-circle svg{width:24px;height:24px;fill:none;stroke:var(--blue);stroke-width:1.6}
.qi:hover .qi-circle{background:var(--blue);transform:translateY(-4px)}
.qi:hover .qi-circle svg{stroke:#fff}
.qi span{font-size:.82rem;font-weight:500;color:var(--navy)}
.divider-v{width:1px;height:52px;background:#cfe0f0}
.hero-media-about img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}

/* ===== FOUNDER ===== */

.founder {
  padding: 100px 0;
}

/* Slider wrapper */
.founder-slider {
  position: relative;
  width: 100%;
}

/* Individual founder slides */
.founder-slide {
  width: 100%;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(12px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    visibility 0.6s ease;
}

/* First / active founder */
.founder-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}


/* ===== EXISTING FOUNDER DESIGN ===== */

.founder-inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 0;
  background: var(--sky);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.founder-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-copy {
  padding: 54px 56px;
}

.eyebrow {
  color: var(--blue);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .02em;
}

.founder-copy h3 {
  font-size: 1.9rem;
}

.founder-name {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.founder-title {
  font-size: .88rem;
  color: var(--muted);
}


/* ===== SMOOTH CONTENT TRANSITION ===== */

.founder-slide .founder-media,
.founder-slide .founder-copy {
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.founder-slide:not(.active) .founder-media {
  opacity: 0;
  transform: translateX(-20px);
}

.founder-slide:not(.active) .founder-copy {
  opacity: 0;
  transform: translateX(20px);
}

.founder-slide.active .founder-media {
  opacity: 1;
  transform: translateX(0);
}

.founder-slide.active .founder-copy {
  opacity: 1;
  transform: translateX(0);
}


/* ===== MOBILE ===== */

@media (max-width: 768px) {

  .founder {
    padding: 70px 0;
  }

  .founder-inner {
    grid-template-columns: 1fr;
  }

  .founder-copy {
    padding: 40px 30px;
  }

  .founder-copy h3 {
    font-size: 1.6rem;
  }

  .founder-media img {
    height: auto;
    aspect-ratio: 1 / 1;
  }

}


/* STORY */
.story{padding:0 0 100px}
.story-inner{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.story-copy{background:var(--sky);border-radius:var(--radius-lg);padding:50px 46px;display:flex;flex-direction:column;justify-content:center}
.story-copy h3{font-size:1.9rem;padding-bottom:14px;position:relative;display:inline-block;margin-bottom:20px}
.story-copy h3::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:3px;background:var(--blue);border-radius:2px}
.story-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover}

/* PROCESS */
.process{padding:0 0 130px}
.process-track{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;position:relative}
.process-step{display:flex;flex-direction:column;align-items:center;text-align:center;width:150px;position:relative;z-index:2}
.process-circle{width:78px;height:78px;border-radius:50%;border:1.6px solid var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px;background:var(--white);transition:transform .3s var(--ease),background-color .3s}
.process-circle svg{width:30px;height:30px;fill:none;stroke:var(--blue);stroke-width:1.6}
.process-circle span.num{font-family:'Poppins',sans-serif;font-weight:700;color:var(--blue);font-size:1.3rem}
.process-step:hover .process-circle{background:var(--blue);transform:translateY(-4px)}
.process-step:hover .process-circle svg{stroke:#fff}
.process-step:hover .process-circle span.num{color:#fff}
.process-step h5{font-size:.95rem;color:var(--navy);margin-bottom:6px}
.process-step p{font-size:.8rem;margin:0}
.process-line{position:absolute;top:39px;left:75px;right:75px;height:0;border-top:2px dashed #a9cdf2;z-index:1}
 


.qt-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
}
 
.qt-heading {
  font-size: 40px;
  font-weight: 500;
  color: #1a1a1a;
  margin: 0 0 12px;
}
 
.qt-subheading {
  font-size: 16px;
  color: #333;
  margin: 0 0 30px;
}
 
/* ---------- Card ---------- */
 
.qt-card {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  overflow: hidden;
  background: #0a1a1f;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}
 
/* ---------- Slides (each is a full image + overlay + hidden text) ---------- */
 
.qt-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.6s ease-in-out;
  pointer-events: none;
}
 
.qt-slide.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}
 
.qt-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
 
/* Dark overlay so text/bottle stay readable over any photo */
.qt-overlay {
  position: absolute;
  inset: 0;
}
 
/* The title/desc live inside each slide in the HTML but are NOT shown here directly —
   JS copies their text into the visible .qt-textbox in the footer.
   We hide them so they don't render twice. */
.qt-slide-text {
  display: none;
}
 
/* Decorative angled "facet" lines, mimicking the glass-shard look in the design */
.qt-facets {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 39%, rgba(255,255,255,0.08) 40%, transparent 41%),
    linear-gradient(105deg, transparent 59%, rgba(255,255,255,0.06) 60%, transparent 61%),
    linear-gradient(70deg, transparent 24%, rgba(255,255,255,0.05) 25%, transparent 26%);
}
 
/* ---------- Bottle (fixed position, never changes on slide change) ---------- */
 
.qt-bottle-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%);
  z-index: 5;
  height: 70%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
 
.qt-bottle {
  height: 100%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 20px rgba(0,0,0,0.4));
}
 
/* ---------- Footer / text box / arrows ---------- */
 
.qt-footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6%;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 5%;
}
 
.qt-textbox {
  backdrop-filter: blur(6px);
  border-radius: 16px;
  padding: 18px 40px;
  max-width: 640px;
  width: 100%;
  text-align: center;
  transition: opacity 0.3s ease-in-out;
}
 
.qt-textbox .qt-title {
  font-size: 28px;
  font-weight: 500;
  color: #ebeaea;
  margin: 0 0 6px;
}
 
.qt-textbox .qt-desc {
  font-size: 15px;
  color: #737373;
  margin: 0;
  line-height: 1.4;
}
 
.qt-arrow {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  backdrop-filter: blur(6px);
  color: #111;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.15s ease;
}
 
.qt-arrow:hover {
  background: #fff;
  transform: scale(1.05);
}
 
.qt-arrow:active {
  transform: scale(0.95);
}
 
/* ---------- Responsive ---------- */
 
@media (max-width: 700px) {
  .qt-heading { font-size: 28px; }
  .qt-subheading { font-size: 14px; }
  .qt-textbox .qt-title { font-size: 20px; }
  .qt-textbox .qt-desc { font-size: 13px; }
  .qt-arrow { width: 40px; height: 40px; font-size: 16px; }
  .qt-textbox { padding: 12px 20px; }
}

/* ---------- Responsive ---------- */

@media (max-width: 700px) {
  .qt-heading { font-size: 28px; }
  .qt-subheading { font-size: 14px; }
  .qt-title { font-size: 20px; }
  .qt-desc { font-size: 13px; }
  .qt-arrow { width: 40px; height: 40px; font-size: 16px; }
  .qt-textbox { padding: 12px 20px; }
}


#backToTop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;border:none;background:var(--navy);color:#fff;font-size:1.1rem;cursor:pointer;z-index:999;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s,background-color .3s;box-shadow:var(--shadow-sm)}
#backToTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backToTop:hover{background:var(--blue)}

@media (max-width:980px){
  .about-hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-quick-icons{justify-content:center}
  .hero-media-about{order:-1}
  .founder-inner{grid-template-columns:1fr}
  .founder-media img{aspect-ratio:8/9}
  .story-inner{grid-template-columns:1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .process-track{flex-wrap:wrap;justify-content:center;row-gap:30px}
  .process-line{display:none}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:66px;left:0;right:0;background:var(--white);flex-direction:column;align-items:center;padding:24px 0;gap:20px;box-shadow:var(--shadow-sm);transform:translateY(-140%);transition:transform .35s var(--ease)}
  .nav-links.open{transform:translateY(0)}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .why-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .social-icons{justify-content:center}
  .cta-inner{justify-content:center;text-align:center}
  .founder-copy{padding:36px 26px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}


/* COMPARISON TABLE for products page */
.fit{padding:0 0 100px}
.fit-card{padding:46px 50px;}
.fit-card > h2{text-align:center;font-size:1.9rem;position:relative;padding-bottom:14px;display:block;margin-bottom:36px}
.fit-card > h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:56px;height:3px;background:var(--blue);border-radius:2px}
.fit-table{width:100%;border-collapse:collapse}
.fit-table th, .fit-table td{padding:16px 14px;text-align:center;border-bottom:1px solid #d7e6f5;font-size:.92rem}
.fit-table th:first-child, .fit-table td:first-child{text-align:left;font-weight:600;color:var(--navy)}
.fit-table thead th{color:var(--navy);font-weight:700}
.fit-head-cell{display:flex;flex-direction:column;align-items:center;gap:6px}
.fit-head-cell svg{width:20px;height:26px;fill:none;stroke:var(--blue);stroke-width:1.6}
.fit-table tbody tr:last-child td{border-bottom:none}
.check{color:var(--blue);font-weight:700;font-size:1.1rem}



/* for contact page */
/* HERO */
.contact-hero{position:relative;background:linear-gradient(180deg,var(--sky) 0%,var(--sky-2) 100%);padding:80px 0;overflow:hidden}
.contact-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.contact-hero h1{font-size:clamp(2.2rem,4.4vw,3.1rem)}
.contact-hero h2.tagline{font-size:clamp(1.2rem,2.2vw,1.5rem);color:var(--navy);font-weight:600;margin-bottom:.6em}
.contact-hero p.lead{max-width:46ch;font-size:1.02rem}
.hero-quick-icons{display:flex;align-items:flex-start;gap:22px;margin-top:28px}
.qi{display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:10px}
.qi-circle{width:52px;height:52px;border-radius:50%;border:1.6px solid var(--blue);display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease),background-color .3s}
.qi-circle svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.6}
.qi:hover .qi-circle{background:var(--blue);transform:translateY(-4px)}
.qi:hover .qi-circle svg{stroke:#fff}
.qi strong{font-size:.88rem;color:var(--navy);display:block}
.qi span{font-size:.85rem;color:var(--muted)}
.divider-v{width:1px;height:60px;background:#cfe0f0;margin-top:6px}
.hero-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;object-fit:cover}

/* MAIN GRID */
.contact-main{padding:100px 0}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}

/* FORM CARD */
.form-card{background:var(--sky);border-radius:var(--radius-lg);padding:46px}
.form-card h2{font-size:1.7rem}
.form-card > p{max-width:42ch}
.field{position:relative;margin-bottom:16px}
.field svg{position:absolute;left:16px;top:18px;width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.6;pointer-events:none;transition:stroke .3s}
.field textarea ~ svg{top:18px}
.field input, .field select, .field textarea{
  width:100%;padding:14px 16px 14px 46px;border-radius:12px;border:1px solid #d7e6f5;background:var(--white);
  font-family:'Inter',sans-serif;font-size:.94rem;color:var(--ink);outline:none;transition:border-color .3s,box-shadow .3s;
  appearance:none;
}
.field select{padding-right:40px;color:var(--muted)}
.field select:valid{color:var(--ink)}
.field textarea{resize:vertical;min-height:120px;padding-top:16px}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,128,237,.15)}
.field input:focus ~ svg, .field select:focus ~ svg, .field textarea:focus ~ svg{stroke:var(--blue)}
.select-arrow{position:absolute;right:16px;top:20px;width:12px;height:12px;fill:none;stroke:var(--muted);stroke-width:2;pointer-events:none}
.field.error input, .field.error select, .field.error textarea{border-color:#e0554f}
.error-msg{display:none;color:#e0554f;font-size:.78rem;margin:-10px 0 12px 4px}
.field.error + .error-msg{display:block}
.form-status{display:none;align-items:center;gap:10px;background:#e7f6ec;color:#1f7a43;border-radius:10px;padding:14px 16px;font-size:.9rem;margin-top:16px}
.form-status.show{display:flex}
.form-status svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;flex-shrink:0}

/* FIND US */
.findus h2{font-size:1.7rem}
.address-block{display:flex;gap:14px;margin-bottom:24px}
.pin-icon{width:26px;height:26px;flex-shrink:0;margin-top:2px}
.pin-icon svg{width:100%;height:100%;fill:none;stroke:var(--blue);stroke-width:1.7}
.address-block strong{display:block;color:var(--navy);margin-bottom:4px;font-size:1rem}
.address-block p{margin:0;font-size:.92rem}
.map-wrap{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:40px}
.map-wrap img{width:100%;display:block;transition:transform .5s var(--ease)}
.map-wrap:hover img{transform:scale(1.04)}
.followus h2{font-size:1.5rem}
.social-row{display:flex;gap:14px;margin-top:18px}
.social-row a{width:44px;height:44px;border-radius:50%;border:1.6px solid var(--navy);display:flex;align-items:center;justify-content:center;transition:background-color .3s,transform .3s,border-color .3s}
.social-row svg{width:18px;height:18px;fill:none;stroke:var(--navy);stroke-width:1.7;transition:stroke .3s}
.social-row a:hover{background:var(--navy);transform:translateY(-4px)}
.social-row a:hover svg{stroke:#fff}

/* HELP BANNER */
.help-banner{padding:0 0 100px}
.help-card{background:var(--sky);border-radius:var(--radius-lg);padding:36px 44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.help-left{display:flex;align-items:center;gap:22px}
.help-icon{width:70px;height:70px;border-radius:50%;background:#dceafd;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.help-icon svg{width:30px;height:30px;fill:none;stroke:var(--navy);stroke-width:1.6}
.help-text h3{font-size:1.25rem;margin-bottom:4px}
.help-text p{margin:0;max-width:44ch;font-size:.92rem}

@media (max-width:980px){
  .contact-hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-quick-icons{justify-content:center;flex-wrap:wrap}
  .qi{align-items:center;text-align:center}
  .hero-media{order:-1}
  .contact-grid{grid-template-columns:1fr}
  .help-card{justify-content:center;text-align:center}
  .help-left{flex-direction:column}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:66px;left:0;right:0;background:var(--white);flex-direction:column;align-items:center;padding:24px 0;gap:20px;box-shadow:var(--shadow-sm);transform:translateY(-140%);transition:transform .35s var(--ease)}
  .nav-links.open{transform:translateY(0)}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .form-card{padding:30px 22px}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .social-icons, .social-row{justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}




/* for why rivr */
/* HERO */
.why-hero{
  position:relative;
  background:#c5deee;
  padding:80px 0;
  overflow:hidden}
.why-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.eyebrow-rule{width:60px;height:3px;background:var(--blue);margin:10px 0 22px;border-radius:2px}
.why-hero h1{font-size:clamp(2.2rem,4.4vw,3.1rem)}
.why-hero h2.tagline{font-size:clamp(1.2rem,2.2vw,1.5rem);color:var(--navy);font-weight:600;margin-bottom:.6em}
.why-hero p.lead{max-width:46ch;font-size:1.02rem}
.hero-quick-icons{display:flex;align-items:center;gap:22px;margin-top:26px}
.qi{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;width:120px}
.qi-circle{width:58px;height:58px;border-radius:50%;border:1.6px solid var(--blue);display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease),background-color .3s}
.qi-circle svg{width:24px;height:24px;fill:none;stroke:var(--blue);stroke-width:1.6}
.qi:hover .qi-circle{background:var(--blue);transform:translateY(-4px)}
.qi:hover .qi-circle svg{stroke:#fff}
.qi span{font-size:.82rem;font-weight:500;color:var(--navy)}
.divider-v{width:1px;height:52px;background:#cfe0f0}
.hero-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;object-fit:cover}

/* ADVANTAGE */
.advantage{padding:100px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-head h2{ font-size:2.1rem;position:relative;display:inline-block;padding-bottom:14px}
.section-head h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:56px;height:3px;background:var(--blue);border-radius:2px}
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{border:1px solid #e6edf5;border-radius:var(--radius-md);padding:30px 26px;display:flex;gap:18px;align-items:flex-start;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s}
.adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-sm);border-color:transparent}
.adv-icon{width:54px;height:54px;border-radius:50%;border:1.6px solid var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.adv-icon svg{width:24px;height:24px;fill:none;stroke:var(--blue);stroke-width:1.6}
.adv-card h4{font-size:1.05rem;margin-bottom:6px}
.adv-card p{font-size:.88rem;margin:0}
.section-head1{text-align:center;max-width:640px;margin:0 auto 56px}
.section-head1 h2{color: #fff; font-size:2.1rem;position:relative;display:inline-block;padding-bottom:14px}
.section-head1 p{color: #9c9b9b;}
/* COMPARISON */
.compare{background:var(--sky);padding:100px 0}
.compare-grid{display:grid;grid-template-columns:.85fr 1fr 1.15fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-col{padding:42px 34px}
.compare-regular{background:#eef1f5}
.compare-rivr{background:var(--navy)}
.compare-regular h3{font-size:1.3rem}
.compare-rivr .rivr-wordmark{height:30px;margin-bottom:22px;filter:brightness(0) invert(1)}
.compare-list{list-style:none;margin:0;padding:0}
.compare-list li{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:.94rem;font-weight:500}
.compare-regular .compare-list li{color:var(--navy)}
.compare-rivr .compare-list li{color:#fff}
.x-mark{color:#c94b4b;font-weight:800;font-size:1rem;flex-shrink:0}
.check-mark{color:#7fd0ff;font-weight:800;font-size:1rem;flex-shrink:0}
.compare-media{position:relative}
.compare-media img{width:100%;height:100%;object-fit:cover}

/* SCIENCE / BADGES */
.science{padding:100px 0 110px}
.badges-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:0}
.badge-item{display:flex;align-items:center;gap:16px;padding:0 34px}
.badge-icon{width:56px;height:56px;border-radius:50%;border:1.6px solid var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative}
.badge-icon svg{width:26px;height:26px;fill:none;stroke:var(--blue);stroke-width:1.5}
.badge-icon .ph-text{position:absolute;font-size:.55rem;font-weight:700;color:var(--blue);top:50%;left:50%;transform:translate(-50%,-50%);line-height:1;text-align:center}
.badge-icon .iso-text{font-family:'Poppins',sans-serif;font-weight:700;font-size:.72rem;color:var(--blue)}
.badge-text strong{display:block;color:var(--navy);font-size:.95rem;font-weight:600}
.badge-text span{font-size:.8rem;color:var(--muted)}
.badge-divider{width:1px;height:44px;background:#dbe6f2}
@media (max-width:980px){
  .why-hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-quick-icons{justify-content:center}
  .hero-media{order:-1}
  .advantage-grid{grid-template-columns:repeat(2,1fr)}
  .compare-grid{grid-template-columns:1fr}
  .compare-media{aspect-ratio:16/9}
  .badges-row{gap:20px 0}
  .badge-divider{display:none}
  .badge-item{padding:0 18px;width:46%}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:66px;left:0;right:0;background:var(--white);flex-direction:column;align-items:center;padding:24px 0;gap:20px;box-shadow:var(--shadow-sm);transform:translateY(-140%);transition:transform .35s var(--ease)}
  .nav-links.open{transform:translateY(0)}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .advantage-grid{grid-template-columns:1fr}
  .badge-item{width:100%;justify-content:center}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .social-icons{justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}



/* for blogs page */
/* HERO */
.blog-hero{position:relative;background:linear-gradient(180deg,var(--sky) 0%,var(--sky-2) 100%);padding:80px 0;overflow:hidden}
.blog-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.blog-hero h1{font-size:clamp(2.2rem,4.4vw,3.1rem)}
.blog-hero p.lead{max-width:46ch;font-size:1.02rem}
.search-box{position:relative;max-width:460px;margin-top:8px}
.search-box svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.8}
.search-box input{width:100%;padding:15px 18px 15px 48px;border-radius:40px;border:1px solid #d7e6f5;background:var(--white);font-size:.94rem;outline:none;transition:border-color .3s,box-shadow .3s}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,128,237,.15)}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.filter-tab{padding:9px 20px;border-radius:30px;border:1px solid #cfe0f0;background:var(--white);color:var(--navy);font-size:.85rem;font-weight:500;cursor:pointer;transition:background-color .3s,color .3s,transform .3s,border-color .3s}
.filter-tab:hover{transform:translateY(-2px)}
.filter-tab.active{background:var(--navy);border-color:var(--navy);color:#fff}
.hero-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;object-fit:cover}

/* BLOG GRID */
.blog-section{padding:90px 0 40px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{background:var(--white);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid #eef3f8;transition:transform .4s var(--ease),box-shadow .4s var(--ease);display:flex;flex-direction:column}
.blog-card.hidden{display:none}
.blog-thumb{height:220px;overflow:hidden}
.blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.blog-card:hover .blog-thumb img{transform:scale(1.07)}
.blog-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.tag{display:inline-block;align-self:flex-start;background:var(--sky);color:var(--blue);font-size:.74rem;font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:12px}
.blog-body h3{font-size:1.12rem;margin-bottom:10px}
.blog-body p{font-size:.88rem;flex:1}
.blog-meta{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--muted);margin-top:10px}
.blog-meta svg{width:14px;height:14px;fill:none;stroke:var(--muted);stroke-width:1.8}

/* PAGINATION */
.pagination{display:flex;align-items:center;justify-content:center;gap:10px;padding:50px 0 90px}
.page-btn{width:40px;height:40px;border-radius:50%;border:1px solid #d7e3ef;background:var(--white);color:var(--navy);display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:600;font-size:.9rem;transition:background-color .3s,color .3s,transform .3s}
.page-btn:hover{transform:translateY(-2px)}
.page-btn.active{background:var(--navy);border-color:var(--navy);color:#fff}
.page-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
.page-btn:disabled{opacity:.4;cursor:default;transform:none}

@media (max-width:980px){
  .blog-hero-inner{grid-template-columns:1fr;text-align:center}
  .search-box{margin:8px auto 0}
  .filter-tabs{justify-content:center}
  .hero-media{order:-1}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .newsletter-card{justify-content:center;text-align:center}
  .nl-left{flex-direction:column}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:66px;left:0;right:0;background:var(--white);flex-direction:column;align-items:center;padding:24px 0;gap:20px;box-shadow:var(--shadow-sm);transform:translateY(-140%);transition:transform .35s var(--ease);max-height:80vh;overflow-y:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .blog-grid{grid-template-columns:1fr}
  .nl-form{width:100%}
  .nl-form input{flex:1;min-width:0}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .social-icons{justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}




/* for blog detail pages */
/* BREADCRUMB */
.breadcrumb{background:var(--sky);padding:16px 0}
.breadcrumb .container{display:flex;align-items:center;gap:8px;font-size:.86rem;flex-wrap:wrap}
.breadcrumb a{color:var(--blue);font-weight:500}
.breadcrumb span.sep{color:var(--muted)}
.breadcrumb span.current{color:var(--muted)}

/* LAYOUT */
.blog-detail{padding:56px 0 1px}

/* ARTICLE */
.tag{display:inline-block;background:var(--sky);color:var(--blue);font-size:.78rem;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:16px}
.article-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.article-head h1{font-size:clamp(1.7rem,3.4vw,2.3rem)}
.share-btn{width:44px;height:44px;border-radius:50%;border:1px solid #d7e3ef;background:var(--white);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background-color .3s,transform .3s}
.share-btn svg{width:18px;height:18px;fill:none;stroke:var(--navy);stroke-width:1.8}
.share-btn:hover{background:var(--navy);transform:translateY(-2px)}
.share-btn:hover svg{stroke:#fff}

.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:18px;font-size:.86rem;color:var(--muted);margin:14px 0 28px}
.article-meta span{display:flex;align-items:center;gap:6px}
.article-meta svg{width:15px;height:15px;fill:none;stroke:var(--muted);stroke-width:1.8}

.featured-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:28px}
.featured-img img{width:100%;display:block}

.article-body p.intro{font-size:1.02rem;color:var(--ink)}

.article-section{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid #eef2f7}
.article-section:last-of-type{border-bottom:none}
.sec-icon{width:48px;height:48px;border-radius:50%;background:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sec-icon svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.7}
.article-section h3{font-size:1.2rem;margin-bottom:8px}
.article-section p{margin:0;font-size:.95rem}

.highlight-box{display:flex;align-items:center;gap:18px;background:var(--sky);border-radius:var(--radius-md);padding:24px 28px;margin:32px 0}
.highlight-icon{width:52px;height:52px;border-radius:50%;background:var(--white);border:1px solid #cfe0f0;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.highlight-icon svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.6}
.highlight-box p{margin:0;color:var(--navy);font-weight:500;font-size:.94rem}
.highlight-box strong{color:var(--navy)}

.share-row{display:flex;align-items:center;gap:16px;margin-top:36px}
.share-row strong{font-size:.94rem;color:var(--navy)}
.share-icons{display:flex;gap:12px}
.share-icons a{width:40px;height:40px;border-radius:50%;border:1.6px solid var(--navy);display:flex;align-items:center;justify-content:center;transition:background-color .3s,transform .3s}
.share-icons svg{width:16px;height:16px;fill:none;stroke:var(--navy);stroke-width:1.7;transition:stroke .3s}
.share-icons a:hover{background:var(--navy);transform:translateY(-3px)}
.share-icons a:hover svg{stroke:#fff}

.article-nav{display:grid;grid-template-columns:1fr 1fr;border:1px solid #e6edf5;border-radius:var(--radius-md);margin-top:30px;overflow:hidden}
.article-nav a{padding:20px 24px;transition:background-color .3s}
.article-nav a:first-child{border-right:1px solid #e6edf5}
.article-nav a:hover{background:var(--sky)}
.article-nav .nav-label{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--blue);font-weight:600;margin-bottom:6px}
.article-nav .nav-label svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.article-nav.next .nav-label{justify-content:flex-end}
.article-nav p{margin:0;font-size:.9rem;color:var(--navy);font-weight:500}
.article-nav .next{text-align:right}

/* SIDEBAR */
.sidebar > * + *{margin-top:34px}
.search-box{position:relative}
.search-box svg{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;fill:none;stroke:var(--muted);stroke-width:1.8}
.search-box input{width:100%;padding:14px 46px 14px 18px;border-radius:12px;border:1px solid #d7e6f5;font-size:.9rem;outline:none;transition:border-color .3s,box-shadow .3s}
.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,128,237,.15)}

.side-block h3{font-size:1.2rem;position:relative;padding-bottom:12px;margin-bottom:18px}
.side-block h3::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:3px;background:var(--blue);border-radius:2px}

.cat-list{list-style:none;margin:0;padding:0}
.cat-list li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid #f0f3f7;cursor:pointer;transition:padding-left .25s}
.cat-list li:last-child{border-bottom:none}
.cat-list li:hover{padding-left:6px}
.cat-icon{width:34px;height:34px;border-radius:50%;background:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cat-icon svg{width:16px;height:16px;fill:none;stroke:var(--blue);stroke-width:1.7}
.cat-list li span.name{flex:1;font-size:.92rem;color:var(--navy);font-weight:500}
.cat-count{background:var(--sky);color:var(--blue);font-size:.76rem;font-weight:700;padding:3px 10px;border-radius:20px}

.recent-list{list-style:none;margin:0;padding:0}
.recent-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid #f0f3f7}
.recent-list li:last-child{border-bottom:none}
.recent-thumb{width:66px;height:66px;border-radius:10px;overflow:hidden;flex-shrink:0}
.recent-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.recent-list li:hover .recent-thumb img{transform:scale(1.08)}
.recent-info a{font-size:.88rem;font-weight:600;color:var(--navy);line-height:1.4;display:block;margin-bottom:4px}
.recent-info a:hover{color:var(--blue)}
.recent-info span{font-size:.76rem;color:var(--muted)}

.promo-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:340px;display:flex;align-items:flex-end;box-shadow:var(--shadow-sm)}
.promo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.promo-overlay{position:relative;z-index:1;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(234,246,255,.85) 45%,rgba(234,246,255,.97) 100%);width:100%;padding:60px 28px 28px}
.promo-overlay h3{font-size:1.35rem;margin-bottom:10px}
.promo-overlay p{font-size:.88rem;margin-bottom:18px}


@media (max-width:980px){
  .detail-grid{grid-template-columns:1fr}
  .sidebar{margin-top:10px}
  .promo-card{min-height:280px}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:66px;left:0;right:0;background:var(--white);flex-direction:column;align-items:center;padding:24px 0;gap:18px;box-shadow:var(--shadow-sm);transform:translateY(-140%);transition:transform .35s var(--ease);max-height:80vh;overflow-y:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .article-head{flex-direction:column}
  .article-nav{grid-template-columns:1fr}
  .article-nav a:first-child{border-right:none;border-bottom:1px solid #e6edf5}
  .article-nav .next{text-align:left}
  .article-nav.next .nav-label{justify-content:flex-start}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .social-icons{justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}