@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Manrope:wght@500;600;700;800&display=swap');

:root {
  --ink: #171f1e;
  --muted: #687471;
  --paper: #f6f7f3;
  --surface: #ffffff;
  --teal: #176b67;
  --teal-light: #208782;
  --deep: #123b3a;
  --dark: #092927;
  --mint: #8fd5c7;
  --pale: #dff1ed;
  --line: #dbe2de;
  --blue: #3d7edb;
  --gold: #d99a26;
  --shadow: 0 24px 70px rgba(18, 59, 58, 0.14);
  --radius: 30px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 243, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(23, 31, 30, 0.08);
}
.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Manrope', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--deep);
}
.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 10px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.94rem;
  font-weight: 600;
}
.nav-links > a:not(.nav-pill):hover {
  color: var(--teal);
}
.nav-pill, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
}
.nav-pill {
  padding: 11px 20px;
  background: var(--deep);
  color: #fff;
}
.nav-pill:hover, .button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(18, 59, 58, 0.22);
}
.menu-button {
  display: none;
  border: 0;
  background: none;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 760px;
  padding: 75px 0 55px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 50px;
  align-items: center;
  overflow: hidden;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 9px;
}
.eyebrow span {
  width: 23px;
  height: 2px;
  background: currentColor;
}
.hero h1, .section h2, .showcase h2, .target-card h2, .download h2, .page-hero h1 {
  font-family: 'Manrope', sans-serif;
  letter-spacing: -0.055em;
  line-height: 1.02;
  margin: 20px 0;
  font-weight: 800;
}
.hero h1 {
  font-size: clamp(3.5rem, 6vw, 6.1rem);
}
em {
  font-style: normal;
  color: var(--teal);
}
.lede {
  font-size: 1.16rem;
  color: var(--muted);
  max-width: 600px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 32px 0 42px;
}
.button {
  padding: 14px 24px;
}
.button-primary {
  background: var(--deep);
  color: #fff;
}
.text-link {
  font-weight: 700;
}
.text-link span {
  color: var(--teal);
  margin-left: 6px;
}
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 22px 0 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  gap: 16px;
}
.trust-row li {
  display: flex;
  flex-direction: column;
}
.trust-row b {
  font-size: 0.88rem;
  color: var(--deep);
}
.trust-row span {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Interactive Hero Mockup */
.hero-product {
  position: relative;
  min-height: 625px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit {
  position: absolute;
  border: 1px solid rgba(23, 107, 103, 0.18);
  border-radius: 50%;
}
.orbit-one { width: 580px; height: 580px; }
.orbit-two { width: 430px; height: 430px; }

.phone-wrap {
  position: relative;
  z-index: 2;
}
.phone {
  width: 285px;
  padding: 10px;
  border-radius: 53px;
  background: #111;
  box-shadow: 0 35px 80px rgba(7, 31, 30, 0.28), inset 0 0 0 2px #474c4a;
  transform: rotate(3deg);
}
.phone-top {
  height: 28px;
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
}
.phone-top i {
  display: block;
  width: 92px;
  height: 25px;
  border-radius: 20px;
  background: #050505;
}
.phone-screen {
  position: relative;
  aspect-ratio: 1206 / 2622;
  border-radius: 44px;
  overflow: hidden;
  background: #fff;
}
.screen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 0.45s ease, transform 0.6s ease;
}
.screen.is-current {
  opacity: 1;
  transform: scale(1);
}

.floating-stat {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  border: 1px solid #fff;
  border-radius: 19px;
  padding: 14px 17px;
  display: flex;
  flex-direction: column;
  z-index: 4;
}
.floating-stat span { font-size: 0.65rem; color: var(--muted); }
.floating-stat strong { font: 800 1.45rem 'Manrope'; }
.floating-stat small { font-size: 0.65rem; color: #2f986f; }
.stat-one { right: -112px; top: 102px; }
.stat-two { left: -117px; bottom: 108px; }
.stat-two small {
  width: 90px;
  height: 5px;
  background: #dde4e1;
  border-radius: 5px;
  margin-top: 7px;
}
.stat-two small i {
  display: block;
  width: 38%;
  height: 100%;
  background: var(--teal);
  border-radius: 5px;
}

.screen-tabs {
  position: absolute;
  bottom: 0;
  display: flex;
  background: #fff;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 15px 35px rgba(18, 59, 58, 0.1);
  z-index: 5;
}
.screen-tabs button {
  border: 0;
  background: transparent;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.76rem;
  cursor: pointer;
  transition: 0.2s;
}
.screen-tabs button.is-active {
  background: var(--pale);
  color: var(--teal);
  font-weight: 700;
}

/* Signal Strip */
.signal-strip {
  border-block: 1px solid var(--line);
  background: #fff;
  padding: 17px 0;
  overflow: hidden;
}
.signal-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--deep);
}
.signal-track i { color: var(--mint); }

/* Main Sections */
.section {
  padding: 115px 0;
}
.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  column-gap: 50px;
  align-items: end;
  margin-bottom: 45px;
}
.section-heading .eyebrow {
  grid-column: 1 / -1;
}
.section-heading h2 {
  font-size: clamp(2.8rem, 5vw, 4.9rem);
  margin-bottom: 0;
}
.section-heading > p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

/* Features Matrix */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  position: relative;
  min-height: 340px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  overflow: hidden;
  transition: 0.3s;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.feature-card > b {
  display: block;
  color: var(--teal);
  font-size: 0.73rem;
  letter-spacing: 0.12em;
}
.feature-card h3 {
  font: 700 1.6rem 'Manrope';
  letter-spacing: -0.03em;
  max-width: 420px;
  margin: 12px 0 10px;
}
.feature-card p {
  color: var(--muted);
  max-width: 480px;
  font-size: 0.96rem;
}
.feature-card > a {
  position: absolute;
  bottom: 28px;
  color: var(--teal);
  font-weight: 700;
  font-size: 0.9rem;
}
.feature-large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 430px;
  background: var(--deep);
  color: #fff;
  border: 0;
}
.feature-large p { color: #bdd2cd; }
.feature-copy { padding: 12px; }
.feature-copy > b { color: var(--mint); }

.calculator-mini {
  display: flex;
  align-items: center;
  justify-content: center;
}
.calculator-mini > div {
  width: 90%;
  background: #fff;
  color: var(--ink);
  border-radius: 25px;
  padding: 35px;
  box-shadow: 0 30px 55px rgba(0, 0, 0, 0.25);
}
.calculator-mini span { display: block; color: var(--muted); font-size: 0.85rem; }
.calculator-mini strong { display: block; font: 800 3.8rem 'Manrope'; letter-spacing: -0.06em; line-height: 1.1; margin: 6px 0 12px; }
.calculator-mini strong small { font-size: 1.3rem; color: var(--muted); font-weight: 600; }
.calculator-mini i {
  display: inline-block;
  width: 22%;
  height: 7px;
  margin-right: 6px;
  border-radius: 9px;
  background: var(--mint);
}
.calculator-mini i:nth-last-child(2) { width: 42%; background: var(--teal); }
.calculator-mini i:last-child { width: 18%; background: #d9e2de; }

.icon-chip {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: var(--pale);
  color: var(--teal);
  display: grid;
  place-items: center;
  font: 700 1.4rem 'Manrope';
  margin-top: 24px;
}

/* AI Suite Section */
.ai-section {
  background: #f0f7f5;
  border-block: 1px solid #d4e6e2;
}
.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.ai-card {
  background: #ffffff;
  border: 1px solid #d8e8e4;
  border-radius: 24px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: 0.3s ease;
}
.ai-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(23, 107, 103, 0.12);
  border-color: var(--mint);
}
.ai-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--pale);
  color: var(--teal);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
}
.ai-card h3 {
  font: 700 1.22rem 'Manrope';
  margin: 0 0 8px;
}
.ai-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* Showcase Section */
.showcase {
  background: var(--deep);
  color: #fff;
  overflow: hidden;
}
.showcase-grid {
  min-height: 790px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.showcase-copy h2 {
  font-size: clamp(3rem, 5vw, 5rem);
}
.showcase-copy em {
  color: var(--mint);
}
.showcase-copy > p:not(.eyebrow) {
  color: #b9cfca;
  font-size: 1.08rem;
}
.eyebrow.light {
  color: var(--mint);
}
.check-list {
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 28px 0;
}
.check-list li:before {
  content: '✓';
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(143, 213, 199, 0.15);
  color: var(--mint);
  margin-right: 11px;
}
.showcase-phone {
  width: 390px;
  justify-self: center;
  transform: translateY(85px);
  padding: 10px;
  border-radius: 52px 52px 0 0;
  background: #111;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
}
.showcase-phone img {
  border-radius: 42px 42px 0 0;
}

/* Target Section */
.target-card {
  display: grid;
  grid-template-columns: 1fr 0.62fr;
  gap: 60px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 40px;
  padding: 65px 65px 0;
  overflow: hidden;
}
.target-card h2 {
  font-size: clamp(2.8rem, 4.8vw, 4.5rem);
}
.target-card > div > p:not(.eyebrow) {
  color: var(--muted);
  max-width: 600px;
}
.target-card img {
  max-height: 620px;
  object-fit: cover;
  object-position: top;
  border-radius: 42px 42px 0 0;
  box-shadow: var(--shadow);
}
.metric-row {
  display: flex;
  gap: 30px;
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 25px;
}
.metric-row div {
  display: flex;
  flex-direction: column;
}
.metric-row span {
  font-size: 0.72rem;
  color: var(--muted);
}
.metric-row strong {
  font: 700 1.25rem 'Manrope';
}
.metric-row .blue {
  color: var(--blue);
}

/* About Gradely Section */
.about-section {
  background: #ffffff;
  border-block: 1px solid var(--line);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-prose h2 {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
}
.about-prose p {
  color: #56635f;
  font-size: 1.05rem;
}
.about-highlights {
  display: grid;
  gap: 16px;
}
.about-highlight-card {
  padding: 24px;
  background: var(--paper);
  border-radius: 20px;
  border: 1px solid var(--line);
}
.about-highlight-card h4 {
  font: 700 1.15rem 'Manrope';
  margin: 0 0 6px;
  color: var(--deep);
}
.about-highlight-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Privacy Callout */
.privacy-callout {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 30px;
  align-items: center;
  background: var(--pale);
  border: 1px solid #c6e2db;
  border-radius: 30px;
  padding: 34px 38px;
}
.privacy-mark {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: var(--deep);
  color: var(--mint);
  display: grid;
  place-items: center;
  font-size: 2rem;
}
.privacy-callout h2 {
  margin: 2px 0;
  font: 700 1.8rem 'Manrope';
}
.privacy-callout p {
  margin: 0;
  color: var(--muted);
}
.button-light {
  background: #fff;
  border: 1px solid #c7dcd6;
}

/* Download Section */
.download-card {
  min-height: 550px;
  border-radius: 42px;
  background: linear-gradient(135deg, #123b3a, #176b67);
  color: #fff;
  padding: 70px;
  display: grid;
  grid-template-columns: 1fr 0.6fr;
  overflow: hidden;
}
.download-card h2 {
  font-size: clamp(3rem, 5vw, 5rem);
}
.download-card > div > p:not(.eyebrow) {
  color: #bfdbd4;
  font-size: 1.08rem;
}
.download-card > img {
  width: 310px;
  justify-self: center;
  border-radius: 48px 48px 0 0;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.28);
  transform: translateY(35px);
}

/* Footer */
.footer {
  background: var(--dark);
  color: #fff;
  padding: 60px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 0.8fr 1fr 0.8fr;
  gap: 60px;
  align-items: start;
}
.brand-light {
  color: #fff;
}
.brand-light img {
  border-radius: 10px;
}
.footer-top p {
  color: #9cb8b2;
  margin: 12px 0 0;
  font-size: 0.95rem;
}
.footer nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.footer nav a:hover {
  color: var(--mint);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 42px;
  padding-top: 20px;
  color: #789992;
  font-size: 0.75rem;
}

/* Gallery inside the app */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 46px 34px;
}
.shot {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.shot-phone {
  position: relative;
  padding: 9px;
  border-radius: 42px;
  background: #111;
  box-shadow: 0 22px 55px rgba(7, 31, 30, 0.22), inset 0 0 0 2px #474c4a;
  transition: 0.3s ease;
}
.shot:hover .shot-phone {
  transform: translateY(-6px);
  box-shadow: 0 32px 70px rgba(7, 31, 30, 0.3), inset 0 0 0 2px #474c4a;
}
.shot-notch {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 17px;
  transform: translateX(-50%);
  width: 74px;
  height: 20px;
  border-radius: 16px;
  background: #050505;
}
.shot-phone img {
  width: 100%;
  aspect-ratio: 1206 / 2622;
  object-fit: cover;
  object-position: top;
  border-radius: 34px;
  background: #fff;
}
.shot figcaption b {
  display: block;
  color: var(--teal);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 800;
}
.shot figcaption h3 {
  font: 700 1.28rem 'Manrope';
  letter-spacing: -0.03em;
  margin: 7px 0 9px;
}
.shot figcaption p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* Store Badge */
.store-badge {
  display: inline-block;
  margin-top: 27px;
}
.store-badge img {
  width: 196px;
  height: auto;
  transition: 0.25s ease;
}
.store-badge:hover img {
  transform: translateY(-2px);
}

/* Internal Legal / Support Pages */
.page-main { min-height: 70vh; }
.page-hero {
  padding: 100px 0 55px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(3.3rem, 6vw, 6rem);
  max-width: 900px;
}
.page-hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 700px;
}
.content-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 70px;
  padding: 70px 0 110px;
}
.side-nav {
  position: sticky;
  top: 110px;
  height: max-content;
  display: grid;
  gap: 8px;
}
.side-nav a {
  padding: 9px 13px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}
.side-nav a:hover {
  background: var(--pale);
  color: var(--teal);
}
.prose {
  max-width: 800px;
}
.prose h2 {
  font: 700 2rem 'Manrope';
  letter-spacing: -0.035em;
  margin: 50px 0 12px;
  scroll-margin-top: 110px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font: 700 1.15rem 'Manrope';
  margin-top: 30px;
}
.prose p, .prose li { color: #56635f; font-size: 1rem; }
.prose a { color: var(--teal); text-decoration: underline; }
.prose .notice {
  background: var(--pale);
  border-left: 4px solid var(--teal);
  padding: 19px 21px;
  border-radius: 4px 14px 14px 4px;
}

.faq {
  border-bottom: 1px solid var(--line);
}
.faq button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  padding: 21px 0;
  border: 0;
  background: transparent;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--deep);
  cursor: pointer;
}
.faq div {
  display: grid;
  grid-template-rows: 0fr;
  transition: 0.3s ease;
}
.faq div p {
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.faq.is-open div {
  grid-template-rows: 1fr;
}
.faq.is-open div p {
  margin: 0 0 22px;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px;
}
.contact-card h3 { margin-top: 10px; }
.contact-card .button {
  margin-top: 15px;
  background: var(--deep);
  color: #fff;
  text-decoration: none;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.22s; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .ai-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 70px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--line);
    padding: 20px;
    border-radius: 20px;
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .menu-button { display: grid; gap: 6px; }
  .menu-button span { width: 24px; height: 2px; background: var(--ink); }
  .hero { grid-template-columns: 1fr; padding-top: 55px; }
  .hero-copy { text-align: center; }
  .hero-copy .eyebrow, .hero-actions { justify-content: center; }
  .hero-copy .lede { margin-inline: auto; }
  .hero-product { min-height: 650px; }
  .trust-row { text-align: left; }
  .section-heading, .feature-large, .showcase-grid, .target-card, .download-card, .footer-top, .about-grid {
    grid-template-columns: 1fr;
  }
  .showcase-grid { padding-top: 90px; }
  .target-card { padding: 45px 35px 0; }
  .target-card img { width: 330px; justify-self: center; }
  .download-card { padding: 45px 35px 0; }
  .download-card > img { margin-top: 20px; }
  .privacy-callout { grid-template-columns: auto 1fr; }
  .privacy-callout .button { grid-column: 1 / -1; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 38px 26px; }
  .content-grid { grid-template-columns: 1fr; }
  .side-nav { display: none; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 26px, 1180px); }
  .hero { padding-top: 40px; }
  .hero h1 { font-size: 3.15rem; }
  .hero-actions { flex-direction: column; gap: 15px; }
  .trust-row { grid-template-columns: 1fr; gap: 13px; }
  .hero-product { min-height: 590px; }
  .phone { width: 245px; }
  .stat-one { right: -55px; }
  .stat-two { left: -55px; }
  .signal-track { width: max-content; gap: 24px; animation: marquee 16s linear infinite; }
  .section { padding: 80px 0; }
  .section-heading { grid-template-columns: 1fr; }
  .feature-grid, .ai-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: auto; padding: 25px; min-height: 600px; }
  .calculator-mini > div { width: 100%; padding: 25px; }
  .calculator-mini strong { font-size: 3.2rem; }
  .showcase-grid { grid-template-columns: 1fr; min-height: 1000px; }
  .showcase-phone { width: 310px; }
  .target-card { gap: 35px; }
  .metric-row { flex-wrap: wrap; }
  .privacy-callout { grid-template-columns: 1fr; }
  .privacy-mark { width: 55px; height: 55px; }
  .gallery { grid-template-columns: 1fr; gap: 44px; }
  .shot { max-width: 340px; margin-inline: auto; }
  .store-badge img { width: 172px; }
  .download-card h2 { font-size: 3rem; }
  .footer-top { gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .content-grid { padding-top: 45px; }
  .contact-cards { grid-template-columns: 1fr; }
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}