/* ============================================================
   RIVANA — shared stylesheet
   White / black, Apple-inspired system type, Anton for wordmark
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Anton&display=swap');

:root{
  --black: #1d1d1f;
  --true-black: #000000;
  --white: #ffffff;
  --panel: #f5f5f7;
  --line: #d2d2d7;
  --gray: #6e6e73;

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
           "Helvetica Neue", Helvetica, Arial, "Segoe UI", Roboto, sans-serif;
  --wordmark: 'Anton', var(--sans);

  --nav-h: 52px;
  --container: 1100px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

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

html{
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body{
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.47;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

h1,h2,h3,h4{
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.07;
}

p{ margin: 0; }

::selection{ background: var(--true-black); color: var(--white); }

a:focus-visible, button:focus-visible, .icon-btn:focus-visible{
  outline: 2px solid var(--true-black);
  outline-offset: 3px;
  border-radius: 3px;
}

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

/* ---------- Buttons ---------- */

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .08s ease;
  white-space: nowrap;
}
.btn:active{ transform: scale(0.97); }

.btn-dark{
  background: var(--true-black);
  color: var(--white);
}
.btn-dark:hover{ background: #2b2b2d; }

.btn-light{
  background: var(--white);
  color: var(--true-black);
}
.btn-light:hover{ background: #ececec; }

.btn-outline{
  background: transparent;
  color: var(--true-black);
  border-color: var(--true-black);
}
.btn-outline:hover{ background: var(--true-black); color: var(--white); }

.btn-outline-light{
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover{ background: var(--white); color: var(--true-black); }

/* ---------- Nav ---------- */

header.site-nav{
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.nav-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.wordmark{
  font-family: var(--wordmark);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--true-black);
  flex-shrink: 0;
}

.nav-links{
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 30px);
  flex-wrap: wrap;
}

.nav-links a{
  font-size: 13px;
  color: var(--black);
  white-space: nowrap;
  transition: opacity .15s ease;
}
.nav-links a:hover{ opacity: 0.6; }

.nav-right{
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.nav-right .btn{ padding: 8px 18px; font-size: 13px; }

.menu-toggle{
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-shrink: 0;
}
.menu-toggle svg{ width: 20px; height: 20px; display:block; }

/* full-screen mobile menu */
.mobile-menu{
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .22s ease, transform .22s ease, visibility 0s linear .22s;
}
.mobile-menu.open{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity .22s ease, transform .22s ease, visibility 0s;
}
.mobile-menu a{
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--true-black);
}
.mobile-menu .btn{ margin-top: 10px; padding: 14px 34px; font-size: 17px; }
.mobile-close{
  position: absolute;
  top: 16px;
  right: clamp(16px, 5vw, 40px);
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
}
.mobile-close svg{ width: 20px; height: 20px; }

/* ---------- Hero ---------- */

.hero{
  position: relative;
  padding: clamp(56px, 10vw, 108px) 0 clamp(32px, 5vw, 52px);
  text-align: center;
  background:
    radial-gradient(ellipse 60% 55% at 50% 0%, rgba(0,0,0,0.05), transparent 70%);
  overflow: hidden;
}

.hero h1{
  font-size: clamp(36px, 6.8vw, 80px);
  color: var(--true-black);
  max-width: 16ch;
  margin: 0 auto;
  opacity: 0;
  animation: rise .7s cubic-bezier(.2,.7,.2,1) .05s forwards;
}

.hero .lead{
  margin: clamp(14px, 2vw, 20px) auto 0;
  font-size: clamp(18px, 2.4vw, 27px);
  color: var(--gray);
  font-weight: 400;
  max-width: 30ch;
  opacity: 0;
  animation: rise .7s cubic-bezier(.2,.7,.2,1) .16s forwards;
}

.hero-actions{
  margin-top: clamp(26px, 4vw, 36px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: rise .7s cubic-bezier(.2,.7,.2,1) .27s forwards;
}

.hero-actions .btn{ padding: 15px 32px; font-size: 16px; box-shadow: 0 10px 24px -12px rgba(0,0,0,0.35); }

.hero-caption{
  margin-top: 16px;
  font-size: 13px;
  color: var(--gray);
  letter-spacing: 0.01em;
  opacity: 0;
  animation: rise .7s cubic-bezier(.2,.7,.2,1) .36s forwards;
}

@keyframes rise{
  from{ opacity: 0; transform: translateY(14px); }
  to{ opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce){
  .hero h1, .hero .lead, .hero-actions, .hero-caption{ animation: none; opacity: 1; }
}

/* ---------- Product photo, full bleed ---------- */

.product-shot{
  width: 100%;
  background:
    radial-gradient(ellipse 70% 90% at 50% 30%, rgba(0,0,0,0.045), transparent 65%),
    var(--panel);
  padding: clamp(32px, 6vw, 64px) 0;
  display: flex;
  justify-content: center;
}
.product-shot img{
  width: auto;
  max-width: min(560px, 82%);
  height: auto;
  max-height: clamp(320px, 56vw, 620px);
  object-fit: contain;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.28);
}

/* ---------- Sizes ---------- */

.sizes{
  padding: clamp(60px, 10vw, 120px) 0;
}

.size-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(16px, 2.4vw, 24px);
  max-width: 760px;
  margin: 0 auto;
}

.size-card{
  border-radius: 22px;
  padding: clamp(32px, 4.5vw, 44px) clamp(26px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.size-card:hover{ transform: translateY(-4px); }

.size-card.light{
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--black);
  box-shadow: 0 24px 48px -30px rgba(0,0,0,0.18);
}
.size-card.light:hover{ box-shadow: 0 30px 56px -26px rgba(0,0,0,0.22); }

.size-card.dark{
  background: var(--true-black);
  color: var(--white);
  box-shadow: 0 24px 48px -24px rgba(0,0,0,0.5);
}
.size-card.dark:hover{ box-shadow: 0 30px 60px -22px rgba(0,0,0,0.55); }

.size-icon{ color: currentColor; opacity: 0.9; margin-bottom: clamp(16px,2.4vw,22px); }
.size-icon.small{ width: 40px; height: 94px; }
.size-icon.large{ width: 48px; height: 128px; }

.size-name{
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.size-tagline{
  margin-top: 8px;
  font-size: 14.5px;
  opacity: 0.62;
  max-width: 24ch;
}

.size-card .btn{ margin-top: clamp(22px,3vw,28px); width: 100%; max-width: 220px; }

/* ---------- Statement section ---------- */

.statement{
  padding: clamp(64px, 11vw, 130px) 0;
  text-align: center;
}
.statement h2{
  font-size: clamp(26px, 4.4vw, 48px);
  max-width: 20ch;
  margin: 0 auto;
  color: var(--true-black);
}
.statement h2 em{
  font-style: normal;
  color: var(--gray);
}

/* ---------- Specs / What it is ---------- */

.specs{
  background: var(--panel);
  padding: clamp(56px, 9vw, 100px) 0;
}

.section-title{
  text-align: center;
  font-size: clamp(24px, 3.6vw, 38px);
  color: var(--true-black);
  margin-bottom: clamp(36px, 6vw, 60px);
}

.specs-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.spec-card{
  background: var(--white);
  padding: clamp(30px, 4vw, 40px) clamp(24px, 3vw, 32px);
  transition: background-color .2s ease;
}
.spec-card:hover{ background: #fbfbfc; }

.spec-icon{
  width: 26px;
  height: 26px;
  margin-bottom: 16px;
  color: var(--black);
}

.spec-card .spec-label{
  font-size: 13px;
  text-transform: none;
  color: var(--gray);
  margin-bottom: 8px;
}

.spec-card h3{
  font-size: clamp(19px, 2vw, 22px);
  color: var(--true-black);
  margin-bottom: 10px;
}

.spec-card p{
  font-size: 14.5px;
  color: var(--gray);
  line-height: 1.55;
}

/* ---------- Areas we serve ---------- */

.areas{
  padding: clamp(64px, 11vw, 130px) 0;
  text-align: center;
}

.areas-head{
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: clamp(28px, 5vw, 44px);
}

.areas-head h2{
  font-size: clamp(24px, 3.6vw, 38px);
  color: var(--true-black);
}

.areas-head .arrow-link{
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--gray);
  transition: color .15s ease, transform .15s ease;
  display: inline-block;
}
.areas-head .arrow-link:hover{
  color: var(--true-black);
  transform: translateX(3px);
}

.city-list{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 18px;
  max-width: 46rem;
  margin: 0 auto;
}

.city-list li{
  font-size: clamp(18px, 3vw, 27px);
  font-weight: 500;
  color: var(--black);
  letter-spacing: -0.01em;
}

.city-list li.sep{
  color: var(--gray);
  font-weight: 400;
}

.areas-note{
  margin-top: 22px;
  font-size: 14.5px;
  color: var(--gray);
}
.areas-note a{ color: var(--black); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- CTA band ---------- */

.cta-band{
  background: var(--true-black);
  color: var(--white);
  padding: clamp(60px, 10vw, 110px) 0;
  text-align: center;
}
.cta-band h2{
  font-size: clamp(26px, 4.2vw, 46px);
  max-width: 18ch;
  margin: 0 auto;
}
.cta-band p{
  margin-top: 14px;
  color: rgba(255,255,255,0.66);
  font-size: clamp(15px, 1.8vw, 18px);
}
.cta-band .hero-actions{ margin-top: clamp(26px, 4vw, 36px); }

/* ---------- Footer ---------- */

footer.site-footer{
  background: var(--panel);
  padding: clamp(36px, 6vw, 56px) 0 clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.footer-top{
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: clamp(20px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
}

.footer-brand{
  font-family: var(--wordmark);
  font-size: 19px;
  color: var(--true-black);
}

.footer-links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.footer-links a{
  font-size: 12.5px;
  color: var(--gray);
  transition: color .15s ease;
}
.footer-links a:hover{ color: var(--true-black); }

.footer-bottom{
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p, .footer-bottom span{
  font-size: 12px;
  color: var(--gray);
}

.footer-fssai a{ color: var(--gray); text-decoration: underline; text-underline-offset: 2px; }
.footer-fssai a:hover{ color: var(--true-black); }

/* ---------- Legal / privacy page ---------- */

.legal{
  padding: clamp(48px, 8vw, 80px) 0 clamp(60px, 9vw, 100px);
}
.legal .container{ max-width: 760px; }

.legal h1{
  font-size: clamp(28px, 4.6vw, 44px);
  color: var(--true-black);
}
.legal .updated{
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--gray);
}

.legal h2{
  font-size: clamp(19px, 2.4vw, 23px);
  color: var(--true-black);
  margin-top: clamp(34px, 5vw, 48px);
  margin-bottom: 12px;
}

.legal p, .legal li{
  font-size: 15.5px;
  color: #3a3a3d;
  line-height: 1.7;
  max-width: 68ch;
}

.legal ul{
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.legal ul li{
  padding-left: 18px;
  position: relative;
}
.legal ul li::before{
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--black);
}

.legal p + p{ margin-top: 14px; }

.legal a.inline-link{
  color: var(--true-black);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.back-link{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: clamp(30px, 5vw, 48px);
  font-size: 14px;
  color: var(--gray);
}
.back-link:hover{ color: var(--true-black); }

/* ---------- Responsive: nav collapse ---------- */

@media (max-width: 720px){
  .nav-links{ display: none; }
  .menu-toggle{ display: inline-flex; align-items:center; justify-content:center; }
}

@media (min-width: 721px){
  .mobile-menu{ display: none !important; }
}

@media (max-width: 480px){
  body{ font-size: 16px; }
  .footer-top{ flex-direction: column; }
  .footer-bottom{ flex-direction: column; align-items: flex-start; }
}