*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #F4F8FF;
  --surface:     #FFFFFF;
  --surface-2:   #EBF1FD;
  --surface-3:   #E0E9F8;
  --border:      #D8E2F4;
  --border-hover: rgba(0,160,130,0.35);

  --teal:        #009E84;
  --teal-light:  rgba(0,158,132,0.09);
  --blue:        #2563EB;
  --blue-light:  rgba(37,99,235,0.07);
  --accent:      #009E84;
  --grad:        var(--teal);
  --grad-soft:   rgba(0,158,132,0.09);

  --text:        #0B1526;
  --text-2:      #4D5E78;
  --text-3:      #98A8C0;

  --shadow-sm:   0 1px 4px rgba(11,21,38,0.06);
  --shadow-md:   0 4px 20px rgba(11,21,38,0.08);
  --shadow-lg:   0 16px 48px rgba(11,21,38,0.12);
  --shadow-card: 0 2px 12px rgba(11,21,38,0.06), 0 0 0 1px rgba(11,21,38,0.04);
  --shadow-hover:0 8px 32px rgba(11,21,38,0.12), 0 0 0 1px rgba(0,158,132,0.15);

  --radius:      14px;
  --radius-lg:   22px;
  --radius-xl:   28px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle dot grid — light version */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2;
  background-image: radial-gradient(rgba(37,99,235,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

h1, h2, h3 { font-family: 'Plus Jakarta Sans', sans-serif; color: var(--text); }
em { font-style: normal; color: var(--teal); }

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 24px;
  background: rgba(244,248,255,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
  background: rgba(255,255,255,0.96);
  box-shadow: 0 1px 12px rgba(11,21,38,0.08);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}

/* ─── LOGO ─── */
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.logo-mark { flex-shrink: 0; display: block; }
.logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.28rem; font-weight: 800;
  color: var(--text); letter-spacing: -0.02em;
}
.logo-text em { color: var(--teal); font-style: normal; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 0.875rem; color: var(--text-2); text-decoration: none;
  font-weight: 500; transition: color 0.2s, background 0.2s;
  padding: 6px 12px; border-radius: 8px;
}
.nav-links a:hover { color: var(--text); background: rgba(11,21,38,0.04); }
.nav-cta {
  background: var(--grad) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 999px !important;
  font-weight: 700 !important;
  font-family: 'Plus Jakarta Sans', sans-serif !important;
  letter-spacing: -0.01em !important;
  box-shadow: 0 2px 16px rgba(0,158,132,0.32) !important;
  margin-left: 8px;
}
.nav-cta:hover { opacity: 0.88 !important; background: var(--grad) !important; }

/* ─── HERO BACKGROUND ─── */
.hero-bg {
  position: fixed; inset: 0; z-index: -1;
  overflow: hidden; pointer-events: none;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(100px);
}
.orb-1 {
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(0,158,132,0.1), transparent 70%);
  top: -160px; right: -40px;
  animation: drift1 18s ease-in-out infinite;
}
.orb-2 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 70%);
  bottom: -120px; left: -100px;
  animation: drift2 22s ease-in-out infinite;
}
@keyframes drift1 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-48px,40px) scale(1.08); }
}
@keyframes drift2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(40px,-48px) scale(1.06); }
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
  max-width: 1140px; margin: 0 auto;
  padding: 116px 24px 88px;
  position: relative;
}
.hero-content { max-width: 580px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal-light);
  border: 1px solid rgba(0,158,132,0.22);
  color: var(--teal);
  font-size: 0.71rem; font-weight: 600;
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 28px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.pulse-dot {
  width: 6px; height: 6px;
  background: var(--teal); border-radius: 50%;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(0,158,132,0.4); }
  50%      { opacity: 0.7; transform: scale(0.85); box-shadow: 0 0 0 5px rgba(0,158,132,0); }
}

h1 {
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  font-weight: 800; line-height: 1.06;
  letter-spacing: -0.03em; margin-bottom: 24px;
  color: var(--text);
}
.hero-sub {
  font-size: 1.05rem; color: var(--text-2);
  line-height: 1.76; margin-bottom: 40px; max-width: 460px;
}
.hero-actions {
  display: flex; align-items: center;
  gap: 18px; flex-wrap: wrap; margin-bottom: 48px;
}

/* ─── HERO STATS ─── */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: start;
  gap: 20px 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat { display: flex; flex-direction: column; gap: 3px; }
.stat-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.3rem; font-weight: 800;
  letter-spacing: -0.03em; color: var(--text);
  white-space: nowrap;
}
.stat-label { font-size: 0.77rem; color: var(--text-2); font-weight: 500; }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--grad);
  color: #fff;
  padding: 14px 28px; border-radius: 999px;
  font-size: 0.92rem; font-weight: 700;
  text-decoration: none;
  font-family: 'Plus Jakarta Sans', sans-serif; letter-spacing: -0.01em;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 4px 20px rgba(0,158,132,0.32);
  border: none; cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(0,158,132,0.42);
  opacity: 0.94;
}
.btn-primary.btn-large { padding: 16px 40px; font-size: 1rem; }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-2); font-size: 0.88rem;
  font-weight: 500; text-decoration: none;
  transition: color 0.2s; padding: 14px 4px;
}
.btn-ghost:hover { color: var(--text); }
.btn-ghost svg { transition: transform 0.2s; }
.btn-ghost:hover svg { transform: translateY(2px); }

/* ─── REFERRAL CARD MOCKUP ─── */
.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.referral-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px;
  width: 340px;
  box-shadow:
    0 4px 24px rgba(11,21,38,0.08),
    0 20px 64px rgba(11,21,38,0.1),
    0 0 0 1px rgba(11,21,38,0.04);
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0) rotate(-0.6deg); }
  50%      { transform: translateY(-14px) rotate(0.4deg); }
}
.rc-header {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.75rem; color: var(--text-2);
  font-weight: 500; margin-bottom: 18px;
}
.rc-status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
  animation: pulse 2.5s ease-in-out infinite;
  flex-shrink: 0;
}
.rc-code {
  margin-left: auto;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700;
  color: var(--teal); font-size: 0.78rem;
  background: var(--teal-light);
  padding: 3px 8px; border-radius: 6px;
  border: 1px solid rgba(0,158,132,0.18);
}
.rc-patient {
  display: flex; align-items: center; gap: 12px; margin-bottom: 14px;
}
.rc-avatar {
  width: 42px; height: 42px; flex-shrink: 0;
  background: var(--grad);
  border-radius: 50%;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8rem; font-weight: 800; color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.rc-name { font-weight: 700; font-size: 0.97rem; color: var(--text); }
.rc-meta { font-size: 0.73rem; color: var(--text-2); margin-top: 2px; }
.rc-divider { height: 1px; background: var(--border); margin: 14px 0; }
.rc-label {
  font-size: 0.67rem; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.1em;
  display: block; margin-bottom: 4px;
}
.rc-doctor { font-size: 0.82rem; color: var(--text); font-weight: 500; }
.rc-from { margin-bottom: 12px; }
.rc-note {
  font-size: 0.79rem; color: var(--text-2);
  background: #F0FDF9;
  border-left: 2px solid var(--teal);
  padding: 10px 12px; border-radius: 0 8px 8px 0;
  line-height: 1.55; margin-bottom: 16px;
  font-style: italic;
}
.rc-footer {
  display: flex; align-items: center;
  justify-content: space-between; gap: 12px;
}
.rc-qr {
  background: white; padding: 6px;
  border-radius: 8px; line-height: 0;
  border: 1px solid var(--border);
}
.rc-secure {
  display: flex; flex-direction: column;
  align-items: flex-end; gap: 4px;
  font-size: 0.7rem; color: var(--text-2); text-align: right;
}
.rc-secure svg { color: var(--teal); }

/* ─── COMMON SECTION ─── */
.section-inner { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.eyebrow {
  display: block;
  font-size: 0.69rem; text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--teal);
  font-weight: 700; margin-bottom: 14px;
}
.section-heading {
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.025em;
  line-height: 1.06; margin-bottom: 72px;
  color: var(--text);
}

/* ─── PROBLEM ─── */
.problem-section {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 120px 24px;
}
.problem-inner { max-width: 960px; margin: 0 auto; }
.problem-title {
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.025em;
  line-height: 1.06; margin-bottom: 72px; color: var(--text);
}
.problem-list { display: flex; flex-direction: column; }
.problem-row {
  display: grid; grid-template-columns: 88px 1fr;
  gap: 36px; align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.problem-row:first-child { border-top: 1px solid var(--border); }
.problem-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 3.2rem; font-weight: 800;
  color: var(--teal); opacity: 0.2;
  line-height: 1; letter-spacing: -0.025em;
}
.problem-content h3 {
  font-size: 1.12rem; font-weight: 700;
  margin-bottom: 10px; color: var(--text);
}
.problem-content p {
  font-size: 0.9rem; color: var(--text-2); line-height: 1.74;
}

/* ─── HOW IT WORKS ─── */
.how-section { padding: 120px 0; background: var(--surface); }
.workflow-simple {
  display: flex; align-items: flex-start; gap: 0;
}
.ws-step {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-card);
}
.ws-step::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad);
  opacity: 0; transition: opacity 0.3s;
}
.ws-step:hover {
  border-color: rgba(0,158,132,0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.ws-step:hover::before { opacity: 1; }
.ws-icon {
  width: 48px; height: 48px;
  background: var(--grad-soft);
  border: 1px solid rgba(0,158,132,0.18);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--teal); margin-bottom: 24px;
}
.ws-icon svg { width: 22px; height: 22px; }
.ws-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 3rem; font-weight: 800;
  color: var(--teal); opacity: 0.12;
  line-height: 1; letter-spacing: -0.025em;
  position: absolute; top: 28px; right: 28px;
}
.ws-step h3 {
  font-size: 1.08rem; font-weight: 700;
  color: var(--text); margin-bottom: 12px;
}
.ws-step p { font-size: 0.875rem; color: var(--text-2); line-height: 1.72; }
.ws-connector {
  flex: 0 0 52px; align-self: center;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3); margin-top: -24px;
}

/* ─── FEATURES ─── */
.features-section { padding: 120px 0; background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-card);
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad);
  opacity: 0; transition: opacity 0.3s;
}
.feature-card:hover {
  border-color: rgba(0,158,132,0.28);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--grad-soft);
  border: 1px solid rgba(0,158,132,0.16);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; color: var(--teal);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature-card h3 {
  font-size: 0.94rem; font-weight: 700;
  margin-bottom: 8px; color: var(--text);
}
.feature-card p { font-size: 0.84rem; color: var(--text-2); line-height: 1.65; }

/* ─── SECURITY ─── */
.security-section {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 120px 24px;
}
.security-inner {
  max-width: 1000px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 96px; align-items: center;
}
.security-section h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800; letter-spacing: -0.025em;
  margin-bottom: 36px; line-height: 1.06; color: var(--text);
}
.security-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 16px;
}
.security-list li {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.93rem; color: var(--text-2);
}
.check-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  background: var(--grad-soft);
  border: 1px solid rgba(0,158,132,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
}
.security-visual {
  display: flex; justify-content: center; align-items: center;
}
.shield-graphic {
  position: relative; width: 220px; height: 220px;
}
.shield-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,158,132,0.22);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.ring-1 {
  width: 220px; height: 220px;
  animation: spin1 26s linear infinite; border-style: dashed;
}
.ring-2 {
  width: 160px; height: 160px;
  animation: spin2 19s linear infinite reverse;
}
.ring-3 {
  width: 100px; height: 100px;
  animation: spin1 12s linear infinite;
  border-color: rgba(0,158,132,0.45);
}
@keyframes spin1 { to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes spin2 { to { transform: translate(-50%,-50%) rotate(-360deg); } }
.shield-core {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  color: var(--teal);
  animation: pulseShield 4s ease-in-out infinite;
}
@keyframes pulseShield {
  0%,100% { filter: drop-shadow(0 0 8px rgba(0,158,132,0.3)); }
  50%      { filter: drop-shadow(0 0 22px rgba(0,158,132,0.6)); }
}

/* ─── CONTACT ─── */
.contact-section {
  padding: 120px 24px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.contact-inner {
  max-width: 1060px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 96px; align-items: start;
}
.contact-section h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800; letter-spacing: -0.025em;
  margin-bottom: 20px; line-height: 1.06; color: var(--text);
}
.contact-desc {
  font-size: 0.93rem; color: var(--text-2);
  line-height: 1.72; margin-bottom: 32px;
}
.contact-email {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--teal); font-size: 0.88rem; font-weight: 600;
  text-decoration: none; transition: opacity 0.2s;
}
.contact-email:hover { opacity: 0.75; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.75rem; font-weight: 700;
  color: var(--text-2); text-transform: uppercase;
  letter-spacing: 0.1em;
}
.form-group input,
.form-group textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 12px 15px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem; color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(0,158,132,0.5);
  box-shadow: 0 0 0 3px rgba(0,158,132,0.1);
  background: var(--surface);
}
.btn-submit {
  align-self: flex-start;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }
.form-feedback { font-size: 0.84rem; line-height: 1.5; margin-top: -8px; }
.form-success { color: var(--teal); }
.form-error { color: #D93026; }

/* ─── CTA — gradient band ─── */
.cta-section {
  padding: 140px 24px; text-align: center;
  background: var(--grad);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='1' cy='1' r='1' fill='rgba(255,255,255,0.07)'/%3E%3C/svg%3E");
  background-size: 30px 30px;
  pointer-events: none;
}
.cta-inner { max-width: 600px; margin: 0 auto; position: relative; z-index: 1; }
.cta-section h2 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800; letter-spacing: -0.025em;
  line-height: 1.04; margin-bottom: 20px; color: white;
}
.cta-section p {
  font-size: 1.02rem; color: rgba(255,255,255,0.8);
  line-height: 1.72; margin-bottom: 52px;
}
.cta-section .btn-primary {
  background: white;
  color: var(--text);
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}
.cta-section .btn-primary:hover {
  box-shadow: 0 8px 40px rgba(0,0,0,0.24);
  opacity: 1;
  transform: translateY(-2px);
}

/* ─── FOOTER ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
  background: var(--surface);
}
.footer-inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 32px;
  margin-bottom: 40px; flex-wrap: wrap;
}
.footer-tagline {
  font-size: 0.83rem; color: var(--text-2);
  margin-top: 10px; max-width: 240px; line-height: 1.6;
}
.footer-links {
  display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.83rem; color: var(--text-2);
  text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1000px; margin: 0 auto;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.78rem; color: var(--text-3); }
.footer-bottom a { color: #FF6B35; text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.38s; }
.reveal-delay-4 { transition-delay: 0.52s; }
.reveal-scroll {
  opacity: 0; transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-scroll.visible { opacity: 1; transform: none; }

/* ─── RESPONSIVE ─── */
@media (max-width: 860px) {
  .workflow-simple { flex-direction: column; gap: 4px; }
  .ws-connector { transform: rotate(90deg); margin: 0 auto; }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 100px; text-align: center;
  }
  .hero-sub, .hero-content { max-width: 100%; }
  .hero-badge { margin: 0 auto 28px; display: inline-flex; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-stats { justify-content: center; }
  .referral-card { width: 100%; max-width: 320px; margin: 0 auto; }
  .security-inner { grid-template-columns: 1fr; gap: 56px; }
  .security-visual { order: -1; }
  .contact-inner { grid-template-columns: 1fr; gap: 56px; }
  .form-row { grid-template-columns: 1fr; }
  .problem-row { grid-template-columns: 64px 1fr; gap: 22px; }
  .problem-num { font-size: 2.2rem; }
  .footer-inner { flex-direction: column; }
}

@media (max-width: 560px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 16px 24px; }
}