:root {
  --navy-950: #04133d;
  --navy-900: #071c55;
  --navy-800: #0a2a73;
  --blue-600: #1768b8;
  --cyan-400: #18c4cc;
  --green-600: #078d42;
  --green-500: #10a94e;
  --ink: #10203b;
  --muted: #60708b;
  --line: #dce5f2;
  --soft: #f3f7fc;
  --white: #fff;
  --shadow: 0 24px 70px rgba(7, 28, 85, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  min-height: 78px;
  padding: 12px clamp(20px, 5vw, 76px);
  border-bottom: 1px solid rgba(220, 229, 242, .8);
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 11px; justify-self: start; }
.brand img { width: 48px; height: 48px; border-radius: 13px; }
.brand span { display: grid; line-height: 1.14; }
.brand strong { color: var(--navy-900); font-size: 1rem; letter-spacing: -.01em; }
.brand small { margin-top: 3px; color: var(--muted); font-size: .72rem; }
nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 36px); font-size: .9rem; font-weight: 650; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--green-600); }
.site-header > .button { justify-self: end; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 750;
  line-height: 1.2;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 9px 20px; }
.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--green-600), var(--green-500));
  box-shadow: 0 12px 28px rgba(7, 141, 66, .22);
}
.button-outline { color: var(--navy-900); border-color: #b8c8dd; background: var(--white); }
.button-ghost { color: var(--navy-900); background: var(--soft); }
.is-pending { cursor: not-allowed; opacity: .65; }

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: clamp(64px, 8vw, 120px) clamp(24px, 7vw, 110px);
  color: var(--white);
  background:
    radial-gradient(circle at 80% 20%, rgba(24, 196, 204, .19), transparent 26%),
    radial-gradient(circle at 72% 88%, rgba(16, 169, 78, .22), transparent 30%),
    linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 48%, #0a3475 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -38% -5%;
  height: 65%;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  transform: rotate(-7deg);
}
.hero-copy { position: relative; z-index: 2; max-width: 760px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--green-500);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.hero .eyebrow { color: #73e9b0; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 25px;
  font-size: clamp(2.7rem, 5.6vw, 5.6rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.hero-lead { max-width: 670px; color: #d4e1f3; font-size: clamp(1.02rem, 1.5vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero .button-ghost { color: var(--white); background: rgba(255,255,255,.1); }
.trust-row { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 40px; color: #c5d3ea; font-size: .86rem; }
.trust-row span::before { content: "✓"; margin-right: 8px; color: #6ee8a8; font-weight: 900; }
.hero-visual {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 560px;
  place-items: center;
}
.hero-device-image {
  width: min(44vw, 780px);
  max-width: none;
  border-radius: 28px;
  filter: drop-shadow(0 34px 42px rgba(0,0,0,.3));
  mix-blend-mode: screen;
  transform: translateX(-2.5vw);
}

.intro,
.preview-section,
.plans,
.downloads,
.faq {
  padding: clamp(74px, 9vw, 140px) clamp(24px, 7vw, 110px);
}
.intro {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(42px, 8vw, 130px);
  align-items: end;
}
h2 { margin-bottom: 20px; color: var(--navy-900); font-size: clamp(2rem, 3.5vw, 3.55rem); line-height: 1.08; letter-spacing: -.045em; }
.intro > p, .preview-copy > p { color: var(--muted); font-size: 1.05rem; }

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 clamp(24px, 7vw, 110px);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.feature { min-height: 280px; padding: 34px; border-right: 1px solid var(--line); background: var(--white); }
.feature:last-child { border-right: 0; }
.feature-primary { color: var(--white); background: var(--navy-900); }
.feature-number { display: block; margin-bottom: 54px; color: var(--green-500); font-size: .78rem; font-weight: 850; }
.feature h3 { margin-bottom: 10px; color: var(--navy-900); font-size: 1.25rem; }
.feature-primary h3 { color: var(--white); }
.feature p { margin: 0; color: var(--muted); font-size: .9rem; }
.feature-primary p { color: #c8d5eb; }

.preview-section {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(42px, 7vw, 100px);
  align-items: center;
  background: var(--soft);
}
.preview-showcase { min-width: 0; }
.preview-frame {
  position: relative;
  overflow: visible;
  margin: 0 5% 34px;
  padding: 16px 16px 20px;
  border: 1px solid #35445b;
  border-radius: 20px 20px 10px 10px;
  background: linear-gradient(145deg, #202b3b, #090e17);
  box-shadow: 0 30px 65px rgba(7, 28, 85, .24);
  transform: perspective(1100px) rotateY(4deg);
}
.preview-frame::before {
  content: "";
  position: absolute;
  z-index: 2;
  top: 6px;
  left: 50%;
  width: 5px;
  height: 5px;
  border: 1px solid #53647d;
  border-radius: 50%;
  background: #03060b;
  transform: translateX(-50%);
}
.preview-frame::after {
  content: "";
  position: absolute;
  right: -7%;
  bottom: -27px;
  left: -7%;
  height: 28px;
  border-radius: 3px 3px 18px 18px;
  background:
    linear-gradient(90deg, transparent 42%, #7d8794 42% 58%, transparent 58%) top / 100% 4px no-repeat,
    linear-gradient(180deg, #dce1e7 0%, #9ca6b3 42%, #687482 100%);
  box-shadow: 0 13px 19px rgba(7, 28, 85, .22);
  clip-path: polygon(5% 0, 95% 0, 100% 72%, 96% 100%, 4% 100%, 0 72%);
}
.preview-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid #53647d;
  border-radius: 8px;
  transition: opacity .18s ease;
}
.preview-frame img.is-changing { opacity: .18; }
.preview-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
}
.preview-arrow {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0 0 4px;
  place-items: center;
  border: 1px solid #b8c8dd;
  border-radius: 50%;
  color: var(--navy-800);
  background: var(--white);
  cursor: pointer;
  font: inherit;
  font-size: 1.9rem;
  line-height: 1;
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}
.preview-arrow:hover {
  border-color: var(--green-600);
  color: var(--white);
  background: var(--green-600);
  transform: translateY(-1px);
}
.preview-status {
  display: grid;
  min-width: 170px;
  gap: 7px;
  justify-items: center;
}
.preview-status > span {
  color: var(--navy-800);
  font-size: .78rem;
  font-weight: 750;
}
.preview-dots {
  display: flex;
  gap: 7px;
  align-items: center;
}
.preview-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #b8c8dd;
  cursor: pointer;
  transition: width .2s ease, border-radius .2s ease, background .2s ease;
}
.preview-dot.is-active {
  width: 24px;
  border-radius: 999px;
  background: var(--green-600);
}
.check-list, .plan-card ul { padding: 0; margin: 28px 0 0; list-style: none; }
.check-list li, .plan-card li { position: relative; margin: 12px 0; padding-left: 28px; }
.check-list li::before, .plan-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green-600);
  font-weight: 900;
}

.section-heading { max-width: 790px; margin-bottom: 52px; }
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 530px)); gap: 24px; justify-content: center; }
.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 570px;
  padding: clamp(30px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--white);
  box-shadow: 0 18px 55px rgba(7, 28, 85, .09);
}
.plan-featured { border-color: var(--navy-800); color: var(--white); background: var(--navy-900); transform: translateY(-12px); }
.plan-badge {
  position: absolute;
  top: 22px;
  right: 22px;
  padding: 7px 12px;
  border-radius: 999px;
  color: #063c24;
  background: #8bf0b6;
  font-size: .7rem;
  font-weight: 850;
  text-transform: uppercase;
}
.plan-name { margin-bottom: 20px; color: var(--green-600); font-size: .82rem; font-weight: 850; text-transform: uppercase; letter-spacing: .14em; }
.plan-featured .plan-name { color: #77ebb0; }
.price { display: grid; margin-bottom: 30px; }
.price strong { color: var(--navy-900); font-size: clamp(2.5rem, 4vw, 4.4rem); line-height: 1; letter-spacing: -.055em; }
.plan-featured .price strong { color: var(--white); }
.price span { margin-top: 8px; color: var(--muted); font-size: .84rem; }
.plan-featured .price span, .plan-featured li { color: #cad7eb; }
.plan-card ul { flex: 1; margin-bottom: 30px; }
.plan-featured .button-primary { box-shadow: none; }
.price-note { margin: 22px auto 0; color: var(--muted); text-align: center; font-size: .84rem; }

.downloads { color: var(--white); background: var(--navy-950); }
.downloads h2 { color: var(--white); }
.download-heading { max-width: 650px; margin-bottom: 44px; }
.download-heading > p:last-child { color: #bdcce4; }
.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.download-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px 22px;
  align-items: start;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px;
  background: rgba(255,255,255,.065);
}
.platform-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 18px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green-600), var(--cyan-400));
  font-size: 1.4rem;
  font-weight: 900;
}
.play-icon {
  padding-left: 4px;
  color: #fff;
  background: linear-gradient(145deg, #19c6c9 0 34%, #31b35b 34% 62%, #f8c43a 62% 80%, #ef4b4b 80%);
}
.windows .platform-icon { background: linear-gradient(135deg, #1768b8, #48a9e8); }
.windows-icon img { width: 31px; height: 31px; }
.platform-name { margin-bottom: 2px; color: #6fe3a7; font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .14em; }
.download-card h3 { margin: 0 0 9px; font-size: 1.45rem; }
.download-card p { color: #c3d1e7; }
.download-card .button, .download-card .availability { grid-column: 1 / -1; }
.store-badge-link {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  justify-content: center;
  min-height: 66px;
}
.google-play-badge {
  width: 210px;
  height: auto;
  transition: transform .2s ease;
}
.store-badge-link:hover .google-play-badge { transform: translateY(-2px); }
.platform-download { gap: 12px; }
.platform-download img { width: 23px; height: 23px; }
.download-card .button-outline { color: var(--white); border-color: rgba(255,255,255,.32); background: transparent; }
.availability { color: #93a7c7; text-align: center; }

.disclaimer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  margin: clamp(74px, 9vw, 140px) clamp(24px, 7vw, 110px) 0;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid #b9d7ca;
  border-radius: 24px;
  background: #eefaf3;
}
.disclaimer-icon { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 50%; color: var(--white); background: var(--green-600); font-weight: 900; }
.disclaimer h2 { margin-bottom: 8px; font-size: 1.35rem; letter-spacing: -.02em; }
.disclaimer p { max-width: 1000px; margin: 0; color: #3c6452; }

.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 24px 50px 24px 0; color: var(--navy-900); cursor: pointer; list-style: none; font-size: 1.05rem; font-weight: 750; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 8px; color: var(--green-600); font-size: 1.7rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 860px; padding-bottom: 24px; color: var(--muted); }

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: center;
  padding: 48px clamp(24px, 7vw, 110px);
  border-top: 1px solid var(--line);
  background: var(--soft);
}
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand img { width: 52px; border-radius: 15px; }
.footer-brand div { display: grid; }
.footer-brand strong { color: var(--navy-900); }
.footer-brand span { color: var(--muted); font-size: .8rem; }
.footer-contact { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; color: var(--navy-800); font-size: .85rem; font-weight: 650; }
.copyright { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .76rem; }
.trademark-note { grid-column: 1 / -1; max-width: 850px; margin: -25px 0 0; color: #8090a7; font-size: .68rem; }

.privacy-page { background: var(--soft); }
.privacy-header { position: static; grid-template-columns: 1fr auto; }
.privacy-main { max-width: 920px; margin: 0 auto; padding: 70px 24px 110px; }
.privacy-card { padding: clamp(28px, 6vw, 70px); border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: var(--shadow); }
.privacy-card h1 { color: var(--navy-900); font-size: clamp(2.4rem, 5vw, 4.6rem); }
.privacy-card h2 { margin-top: 42px; font-size: 1.45rem; letter-spacing: -.02em; }
.privacy-card p, .privacy-card li { color: var(--muted); }
.privacy-card a { color: var(--blue-600); text-decoration: underline; }
.updated { font-weight: 700; }

.checkout-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 25%, rgba(24, 196, 204, .09), transparent 24%),
    var(--soft);
}
.checkout-main {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 52px) 24px 70px;
}
.checkout-intro {
  max-width: 880px;
  margin-bottom: 28px;
}
.checkout-intro h1 {
  margin: 8px 0 12px;
  color: var(--navy-900);
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}
.status-card h1 {
  margin-bottom: 20px;
  color: var(--navy-900);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1;
  letter-spacing: -.055em;
}
.checkout-intro > p:last-child,
.status-card > p {
  color: var(--muted);
  font-size: 1.05rem;
}
.checkout-layout {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(480px, 1.28fr);
  gap: 24px;
  align-items: start;
}
.order-summary,
.payment-panel,
.status-card {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--white);
  box-shadow: 0 20px 65px rgba(7, 28, 85, .1);
}
.order-summary {
  position: sticky;
  top: 102px;
  padding: 32px;
}
.summary-product {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.summary-product img { width: 68px; border-radius: 18px; }
.summary-product div { display: grid; }
.summary-product span { color: var(--muted); font-size: .84rem; }
.summary-product strong { color: var(--navy-900); font-size: 1.3rem; }
.order-summary ul {
  padding: 0;
  margin: 28px 0;
  list-style: none;
}
.order-summary li {
  position: relative;
  margin: 13px 0;
  padding-left: 28px;
  color: #435572;
  font-size: .92rem;
}
.order-summary li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green-600);
  font-weight: 900;
}
.customer-box,
.coupon-box {
  margin: 22px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
}
.customer-box label,
.coupon-box label {
  display: block;
  margin-bottom: 9px;
  color: var(--navy-900);
  font-size: .86rem;
  font-weight: 800;
}
.customer-box input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #b8c8dd;
  border-radius: 10px;
  color: var(--navy-900);
  background: var(--white);
  font: inherit;
}
.customer-box input:focus {
  border-color: var(--cyan-500);
  outline: 3px solid rgba(24, 196, 204, .15);
}
.customer-box small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: .76rem;
}
.coupon-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}
.coupon-row input {
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid #b8c8dd;
  border-radius: 10px;
  color: var(--navy-900);
  background: var(--white);
  font: inherit;
  text-transform: uppercase;
}
.coupon-row input:focus {
  border-color: var(--cyan-500);
  outline: 3px solid rgba(24, 196, 204, .15);
}
.coupon-row button {
  padding: 0 14px;
  border: 0;
  border-radius: 10px;
  color: var(--white);
  background: var(--navy-900);
  font-weight: 800;
  cursor: pointer;
}
.coupon-row button:disabled { cursor: wait; opacity: .55; }
.coupon-feedback {
  min-height: 1.1em;
  margin: 9px 0 0;
  color: var(--muted);
  font-size: .78rem;
}
.coupon-feedback.success { color: #17633b; }
.coupon-feedback.error { color: #8c2727; }
.summary-total {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.summary-total span { color: var(--muted); font-weight: 700; }
.summary-price {
  display: grid;
  justify-items: end;
  gap: 3px;
}
.summary-price .checkout-original {
  color: var(--muted);
  font-size: .8rem;
  font-weight: 650;
  text-decoration: line-through;
}
.summary-total strong {
  color: var(--navy-900);
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -.045em;
}
.summary-help { margin: 20px 0 0; color: var(--muted); font-size: .82rem; }
.payment-panel { min-height: 560px; padding: clamp(24px, 4vw, 42px); }
.payment-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.payment-panel-heading h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.security-seal {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid #b9dec9;
  border-radius: 999px;
  color: #17633b;
  background: #eefaf3;
  font-size: .72rem;
  font-weight: 800;
}
.payment-loading {
  padding: 28px;
  border: 1px dashed #b8c8dd;
  border-radius: 16px;
  color: var(--muted);
  background: var(--soft);
  text-align: center;
}
.payment-error {
  margin-bottom: 20px;
  padding: 16px 18px;
  border: 1px solid #efb8b8;
  border-radius: 14px;
  color: #8c2727;
  background: #fff2f2;
  font-weight: 650;
}
.environment-notice {
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid #e6c563;
  border-radius: 14px;
  color: #6c4b00;
  background: #fff8dc;
  font-weight: 750;
}
.payment-assurances {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.payment-assurances span {
  padding: 7px 10px;
  border-radius: 8px;
  color: #586b87;
  background: var(--soft);
  font-size: .7rem;
}
.checkout-support {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  margin-top: 24px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(255,255,255,.72);
  font-size: .86rem;
}
.checkout-support strong { color: var(--navy-900); }
.checkout-support a { color: var(--blue-600); font-weight: 750; }
.checkout-footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 26px 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--white);
  font-size: .76rem;
}
.checkout-footer a { color: var(--blue-600); font-weight: 700; }
.status-main {
  display: grid;
  min-height: calc(100vh - 78px);
  padding: 60px 24px 90px;
  place-items: start center;
}
.status-card {
  width: min(100%, 760px);
  padding: clamp(28px, 5vw, 58px);
}
.status-card h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
.status-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}
.whatsapp-support {
  position: fixed;
  right: clamp(16px, 2.4vw, 34px);
  bottom: clamp(16px, 2.4vw, 30px);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 18px;
  border: 1px solid rgba(7, 28, 85, .1);
  border-radius: 999px;
  color: var(--navy-900);
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 14px 42px rgba(7, 28, 85, .2);
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: transform .2s ease, box-shadow .2s ease;
}
.whatsapp-support:hover {
  color: var(--navy-900);
  box-shadow: 0 18px 52px rgba(7, 28, 85, .26);
  transform: translateY(-3px);
}
.whatsapp-support:focus-visible {
  outline: 3px solid rgba(37, 211, 102, .32);
  outline-offset: 3px;
}
.whatsapp-copy {
  display: grid;
  gap: 1px;
  text-align: right;
}
.whatsapp-copy small {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 650;
}
.whatsapp-copy strong {
  font-size: .9rem;
  line-height: 1.2;
}
.whatsapp-icon {
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 8px 20px rgba(37, 211, 102, .3);
  place-items: center;
}
.whatsapp-icon svg {
  width: 30px;
  height: 30px;
  overflow: visible;
}
.whatsapp-icon svg path:first-child {
  fill: none;
  stroke: #fff;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.whatsapp-icon svg path:last-child { fill: #fff; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { max-width: 820px; }
  .hero-visual { min-height: 460px; }
  .hero-device-image {
    width: min(90vw, 860px);
    transform: none;
  }
  .intro, .preview-section { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .feature:nth-child(2) { border-right: 0; }
  .feature:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .download-grid { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
  .order-summary { position: static; }
}

@media (max-width: 650px) {
  .site-header { min-height: 68px; padding: 10px 16px; }
  .brand img { width: 43px; height: 43px; }
  .site-header > .button { display: none; }
  .hero { padding: 72px 22px; }
  h1 { font-size: clamp(2.5rem, 13vw, 4rem); }
  .hero-visual { min-height: 350px; }
  .hero-device-image { width: min(100vw, 720px); }
  .intro, .preview-section, .plans, .downloads, .faq { padding: 72px 22px; }
  .features { grid-template-columns: 1fr; margin: 0 22px; }
  .feature { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature:last-child { border-bottom: 0; }
  .feature-number { margin-bottom: 38px; }
  .preview-frame { transform: none; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-featured { transform: none; }
  .download-card { grid-template-columns: 1fr; }
  .disclaimer { grid-template-columns: 1fr; margin: 72px 22px 0; }
  footer { grid-template-columns: 1fr; }
  .footer-contact { justify-content: flex-start; flex-direction: column; gap: 10px; }
  .checkout-main { padding: 30px 16px 60px; }
  .payment-panel-heading { display: grid; }
  .payment-panel { padding: 22px 16px; }
  .order-summary { padding: 24px; }
  .checkout-footer { flex-direction: column; align-items: center; gap: 8px; }
  .whatsapp-support {
    right: 12px;
    bottom: 12px;
    padding: 6px 6px 6px 14px;
  }
  .whatsapp-icon {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
  }
}

@media (max-width: 420px) {
  .whatsapp-support { padding: 6px; }
  .whatsapp-copy { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}