:root {
    --color-primary: #009A9C;
    --color-primary-dark: #027a7c;
    --color-accent: #D9E021;
    --color-secondary-bg: #A9DCEE;
    --color-text: #12313f;
    --color-muted: #61717c;
    --color-background: #F7F9FA;
    --color-white: #FFFFFF;
    --color-line: #dce9ef;
    --font-main: 'Poppins', 'Segoe UI', sans-serif;
    --shadow-soft: 0 18px 60px rgba(0, 73, 88, 0.12);
    --shadow-card: 0 14px 36px rgba(16, 42, 54, 0.08);
    --radius-xl: 30px;
    --radius-lg: 22px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background:
        radial-gradient(circle at top left, rgba(169, 220, 238, .34), transparent 38rem),
        linear-gradient(180deg, #ffffff 0%, var(--color-background) 38%, #ffffff 100%);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

body::selection { background: rgba(217, 224, 33, .45); }
a { color: inherit; }

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.section { padding: 98px 0; }
.section-light { background: linear-gradient(180deg, rgba(247, 249, 250, .72), #ffffff); }

.section-dark {
    background:
        radial-gradient(circle at 80% 20%, rgba(217, 224, 33, .18), transparent 20rem),
        linear-gradient(135deg, #052f38 0%, #06434c 55%, #026e72 100%);
    color: #ffffff;
}

.section-heading {
    max-width: 840px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-heading.compact { margin-bottom: 34px; }

.section-heading h2,
.workflow-copy h2,
.showcase-card h2,
.patient-grid h2,
.final-cta h2 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
    margin-bottom: 18px;
}

.section-heading p,
.workflow-copy p,
.showcase-card p,
.patient-grid p,
.final-cta p {
    color: var(--color-muted);
    font-size: 1.05rem;
}

.section-dark .workflow-copy p { color: rgba(255, 255, 255, .78); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    background: rgba(0, 154, 156, .09);
    border: 1px solid rgba(0, 154, 156, .16);
    border-radius: 999px;
    padding: 7px 13px;
    margin-bottom: 18px;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.section-dark .eyebrow,
.final-cta-card .eyebrow {
    color: #efff74;
    background: rgba(255, 255, 255, .10);
    border-color: rgba(255, 255, 255, .16);
}

.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .82);
    border-bottom: 1px solid rgba(220, 233, 239, .74);
    backdrop-filter: blur(18px);
    transition: box-shadow .2s ease, background-color .2s ease;
}

.main-header.scrolled {
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 12px 28px rgba(24, 64, 74, .08);
}

.header-inner {
    min-height: 94px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    align-self: stretch;
    text-decoration: none;
}

.logo-img {
    height: 72px;
    width: auto;
    display: block;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    align-self: stretch;
    gap: 22px;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    height: 100%;
    text-decoration: none;
    color: #26434f;
    font-size: .94rem;
    font-weight: 700;
    transition: color .2s ease;
}

.main-nav a:hover { color: var(--color-primary); }

.mobile-nav-actions { display: none; }

.nav-buttons,
.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-actions.center { justify-content: center; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 45px;
    padding: 12px 20px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 800;
    text-decoration: none;
    line-height: 1;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-large { min-height: 54px; padding: 16px 25px; }

.btn-primary {
    color: #063039;
    background: linear-gradient(135deg, var(--color-accent), #f3fa58);
    box-shadow: 0 12px 28px rgba(158, 165, 0, .22);
}

.btn-primary:hover { box-shadow: 0 18px 38px rgba(158, 165, 0, .30); }

.btn-secondary {
    color: var(--color-primary-dark);
    background: #ffffff;
    border-color: rgba(0, 154, 156, .26);
    box-shadow: 0 10px 26px rgba(0, 73, 88, .08);
}

.btn-secondary:hover,
.btn-ghost:hover {
    color: #ffffff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-ghost {
    color: var(--color-primary);
    background: rgba(0, 154, 156, .06);
    border-color: rgba(0, 154, 156, .14);
}

.mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(0, 154, 156, .18);
    border-radius: 13px;
    background: #fff;
    cursor: pointer;
}

.mobile-nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--color-primary);
    border-radius: 999px;
}

.hero {
    position: relative;
    padding: 86px 0 74px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
    gap: 50px;
    align-items: center;
}

.hero-copy {
    position: relative;
    z-index: 2;
}

.hero h1 {
    max-width: 680px;
    font-size: clamp(2.6rem, 5.4vw, 5.2rem);
    line-height: .97;
    letter-spacing: -0.065em;
    color: #082e38;
    margin-bottom: 24px;
}

.hero-lead {
    max-width: 640px;
    color: #526873;
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    margin-bottom: 30px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 24px;
}

.hero-trust span {
    border: 1px solid rgba(0, 154, 156, .16);
    background: rgba(255, 255, 255, .72);
    color: #365460;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: .82rem;
    font-weight: 700;
}

.hero-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(6px);
    opacity: .58;
    pointer-events: none;
}

.hero-orb-one {
    width: 360px;
    height: 360px;
    background: rgba(169, 220, 238, .62);
    right: -120px;
    top: 70px;
}

.hero-orb-two {
    width: 280px;
    height: 280px;
    background: rgba(217, 224, 33, .28);
    left: -110px;
    bottom: 10px;
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.browser-card {
    border: 1px solid rgba(0, 154, 156, .16);
    border-radius: 34px;
    background: rgba(255, 255, 255, .72);
    box-shadow: var(--shadow-soft);
    padding: 13px;
    transform: rotate(1.2deg);
}

.browser-top {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px 14px;
    color: #76909a;
    font-size: .76rem;
}

.browser-top span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff7c7c;
}

.browser-top span:nth-child(2) { background: #ffc85c; }
.browser-top span:nth-child(3) { background: #76d981; }
.browser-top strong { margin-left: 8px; font-weight: 700; }

.app-preview {
    display: grid;
    grid-template-columns: 76px 1fr;
    min-height: 460px;
    overflow: hidden;
    border-radius: 25px;
    background:
        radial-gradient(circle at 75% 5%, rgba(217, 224, 33, .22), transparent 16rem),
        linear-gradient(135deg, #f9fdfe, #eef8fb);
}

.preview-sidebar {
    display: flex;
    flex-direction: column;
    gap: 13px;
    align-items: center;
    padding: 26px 16px;
    background: #073944;
}

.preview-logo {
    width: 34px;
    height: 34px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--color-secondary-bg), var(--color-accent));
    margin-bottom: 18px;
}

.preview-sidebar span {
    width: 35px;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .22);
}

.preview-sidebar .active {
    height: 35px;
    background: rgba(217, 224, 33, .92);
}

.preview-main {
    position: relative;
    padding: 28px;
}

.preview-hero {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    padding: 20px;
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 10px 28px rgba(23, 63, 74, .08);
}

.preview-hero small,
.panel-title {
    display: block;
    color: var(--color-primary);
    font-weight: 800;
    font-size: .76rem;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.preview-hero strong {
    display: block;
    margin-top: 5px;
    color: #15343f;
    line-height: 1.25;
}

.preview-hero button {
    border: none;
    border-radius: 999px;
    padding: 11px 15px;
    color: #063039;
    background: var(--color-accent);
    font-weight: 800;
}

.preview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 18px 0;
}

.preview-stats article,
.panel-card {
    border: 1px solid rgba(0, 154, 156, .10);
    background: rgba(255, 255, 255, .86);
    border-radius: 18px;
    box-shadow: 0 10px 22px rgba(23, 63, 74, .06);
}

.preview-stats article { padding: 16px; }

.preview-stats span {
    display: block;
    color: #08313c;
    font-size: 1.7rem;
    font-weight: 800;
}

.preview-stats small {
    color: #6b7e87;
    font-weight: 700;
}

.preview-panels {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 14px;
}

.panel-card {
    min-height: 145px;
    padding: 18px;
}

.lines { margin-top: 18px; }

.lines i {
    display: block;
    height: 12px;
    border-radius: 999px;
    margin-bottom: 10px;
    background: #d8e9ee;
}

.lines i:nth-child(1) { width: 92%; }
.lines i:nth-child(2) { width: 74%; }
.lines i:nth-child(3) { width: 84%; }

.chart-bars {
    height: 100%;
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.chart-bars span {
    flex: 1;
    border-radius: 999px 999px 6px 6px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary-bg));
}

.chart-bars span:nth-child(1) { height: 38%; }
.chart-bars span:nth-child(2) { height: 62%; }
.chart-bars span:nth-child(3) { height: 48%; }
.chart-bars span:nth-child(4) { height: 82%; background: linear-gradient(180deg, var(--color-accent), #f5fb80); }
.chart-bars span:nth-child(5) { height: 68%; }

.floating-note {
    position: absolute;
    right: 26px;
    bottom: 28px;
    width: min(260px, calc(100% - 52px));
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border: 1px solid rgba(217, 224, 33, .46);
    border-radius: 18px;
    background: rgba(6, 48, 57, .92);
    color: #ffffff;
    box-shadow: 0 18px 30px rgba(6, 48, 57, .22);
}

.floating-note b {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    border-radius: 13px;
    color: #063039;
    background: var(--color-accent);
}

.floating-note span {
    font-size: .82rem;
    line-height: 1.35;
}

.proof-strip {
    padding: 26px 0;
    background: #073944;
    color: #ffffff;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.proof-grid div {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .09);
}

.proof-grid strong {
    display: block;
    color: var(--color-accent);
    font-size: clamp(1.6rem, 3vw, 2.35rem);
    line-height: 1;
}

.proof-grid span {
    display: block;
    margin-top: 7px;
    color: rgba(255, 255, 255, .76);
    font-size: .9rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.benefit-card,
.modules-grid article,
.plan-card,
.showcase-card {
    border: 1px solid rgba(0, 154, 156, .12);
    background: rgba(255, 255, 255, .88);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.benefit-card {
    padding: 26px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.benefit-card:hover,
.modules-grid article:hover {
    transform: translateY(-5px);
    box-shadow: 0 22px 44px rgba(16, 42, 54, .12);
}

.card-icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    margin-bottom: 20px;
    border-radius: 16px;
    color: #063039;
    background: linear-gradient(135deg, var(--color-secondary-bg), var(--color-accent));
    font-weight: 900;
}

.benefit-card h3,
.modules-grid h3,
.plan-card h3,
.showcase-card h3,
.timeline h3 {
    color: #0b3440;
    font-size: 1.15rem;
    line-height: 1.25;
    margin-bottom: 9px;
}

.benefit-card p,
.modules-grid p,
.plan-card li,
.showcase-card li,
.timeline p {
    color: #647580;
    font-size: .94rem;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.modules-grid article {
    position: relative;
    overflow: hidden;
    padding: 24px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.modules-grid article::after {
    content: "";
    position: absolute;
    right: -28px;
    top: -28px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(169, 220, 238, .28);
}

.modules-grid span {
    display: inline-flex;
    margin-bottom: 18px;
    color: var(--color-primary);
    font-weight: 900;
    font-size: .82rem;
    letter-spacing: .08em;
}

.workflow-grid {
    display: grid;
    grid-template-columns: .86fr 1.14fr;
    gap: 54px;
    align-items: center;
}

.workflow-copy .btn { margin-top: 28px; }

.timeline {
    position: relative;
    display: grid;
    gap: 14px;
}

.timeline article {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 18px;
    align-items: start;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 20px;
    background: rgba(255, 255, 255, .09);
    backdrop-filter: blur(8px);
}

.timeline span {
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border-radius: 16px;
    color: #063039;
    background: var(--color-accent);
    font-weight: 900;
}

.timeline h3 { color: #ffffff; }
.timeline p { color: rgba(255, 255, 255, .74); }

.section-showcase {
    background: linear-gradient(180deg, #ffffff, #f5fbfc);
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 18px;
}

.showcase-card { padding: 30px; }

.showcase-card.large {
    grid-row: span 2;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background:
        radial-gradient(circle at 90% 10%, rgba(217, 224, 33, .26), transparent 18rem),
        #ffffff;
}

.mini-label {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--color-primary);
    font-weight: 900;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.check-list {
    display: grid;
    gap: 11px;
    margin-top: 24px;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 28px;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: 900;
}

.ai-card {
    color: #ffffff;
    background:
        radial-gradient(circle at top right, rgba(217, 224, 33, .24), transparent 13rem),
        linear-gradient(135deg, #073944, #026e72);
}

.ai-card h3,
.ai-card p,
.ai-card .mini-label,
.security-card h3,
.security-card .mini-label {
    color: #ffffff;
}

.ai-card p,
.security-card p {
    color: rgba(255, 255, 255, .78);
}

.security-card {
    background: linear-gradient(135deg, #0f7480, #009A9C);
    color: #ffffff;
}

.patient-section {
    background:
        radial-gradient(circle at 20% 30%, rgba(169, 220, 238, .36), transparent 18rem),
        #ffffff;
}

.patient-grid {
    display: grid;
    grid-template-columns: .9fr 320px;
    gap: 60px;
    align-items: center;
}

.patient-phone {
    position: relative;
    min-height: 520px;
    border: 10px solid #073944;
    border-radius: 42px;
    padding: 58px 22px 24px;
    background: linear-gradient(180deg, #f8feff, #edf8fb);
    box-shadow: 0 28px 70px rgba(6, 48, 57, .18);
}

.phone-notch {
    position: absolute;
    top: 18px;
    left: 50%;
    width: 92px;
    height: 22px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: #073944;
}

.patient-phone h3 {
    color: #063039;
    font-size: 1.45rem;
}

.patient-phone p {
    margin-bottom: 22px;
    color: #6c818a;
}

.meal-row {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 11px;
    padding: 14px;
    margin-bottom: 12px;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 10px 22px rgba(16, 42, 54, .08);
}

.meal-row span {
    grid-row: span 2;
    width: 36px;
    height: 36px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--color-secondary-bg), var(--color-accent));
}

.meal-row b,
.meal-row small { display: block; }
.meal-row small { color: #677b84; }

.section-pricing {
    background: linear-gradient(180deg, #f7fafb, #ffffff);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    padding: 34px;
    display: flex;
    flex-direction: column;
}

.plan-card.highlight {
    border: 2px solid var(--color-primary);
    transform: translateY(-12px);
    box-shadow: 0 30px 70px rgba(0, 154, 156, .18);
}

.plan-badge {
    align-self: center;
    color: #063039;
    background: var(--color-accent);
    border-radius: 999px;
    padding: 8px 12px;
    margin-top: 14px;
    font-size: .8rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.price {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 12px 0 22px;
    color: #062f39;
    font-size: 2.65rem;
    font-weight: 900;
    letter-spacing: -.05em;
}

.price strong {
    font: inherit;
}

.price span {
    display: block;
    color: #70818a;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0;
}

.price-custom {
    font-size: 2.05rem;
    line-height: 1.1;
    letter-spacing: 0;
}

.plan-card ul {
    display: grid;
    gap: 12px;
    margin: 0 0 28px;
    list-style: none;
}

.plan-card .btn { margin-top: auto; }

.final-cta { padding-top: 52px; }

.final-cta-card {
    text-align: center;
    padding: 64px 28px;
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 12% 20%, rgba(217, 224, 33, .26), transparent 18rem),
        radial-gradient(circle at 88% 28%, rgba(169, 220, 238, .42), transparent 18rem),
        linear-gradient(135deg, #073944, #026e72);
    color: #ffffff;
    box-shadow: var(--shadow-soft);
}

.final-cta-card p {
    max-width: 700px;
    margin: 0 auto 28px;
    color: rgba(255, 255, 255, .78);
}

.faq-container {
    max-width: 890px;
    margin: 0 auto;
    border: 1px solid rgba(0, 154, 156, .12);
    border-radius: 24px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: var(--shadow-card);
}

.faq-item + .faq-item { border-top: 1px solid #e7f0f3; }

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 22px 24px;
    border: 0;
    background: #ffffff;
    color: #0b3440;
    font: inherit;
    font-weight: 800;
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
}

.faq-question::after {
    content: "+";
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    border-radius: 50%;
    color: var(--color-primary);
    background: rgba(0, 154, 156, .08);
    font-size: 1.3rem;
    transition: transform .2s ease, background .2s ease;
}

.faq-question.active::after {
    transform: rotate(45deg);
    background: rgba(217, 224, 33, .35);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .28s ease;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: #647580;
}

.main-footer {
    padding: 62px 0;
    color: rgba(255, 255, 255, .76);
    background: #062f39;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 32px;
}

.footer-brand img {
    width: 170px;
    max-width: 100%;
    margin-bottom: 18px;
    filter: drop-shadow(0 10px 24px rgba(0,0,0,.12));
}

.footer-brand p { max-width: 320px; }
.copyright { margin-top: 18px; font-size: .88rem; }

.footer-col h4 {
    margin-bottom: 16px;
    color: #ffffff;
    font-size: 1rem;
}

.footer-col a {
    display: block;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, .74);
    text-decoration: none;
    transition: color .2s ease;
}

.footer-col a:hover { color: var(--color-accent); }

.footer-socials {
    display: flex;
    gap: 9px;
    margin-top: 14px;
}

.footer-socials a {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: #063039;
    background: var(--color-accent);
    font-weight: 900;
}

@media (max-width: 1080px) {
    .hero-grid,
    .workflow-grid,
    .patient-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        max-width: 760px;
        margin: 0 auto;
    }

    .benefits-grid,
    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modules-grid { grid-template-columns: repeat(2, 1fr); }

    .showcase-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .plan-card.highlight { transform: none; }

    .patient-phone {
        width: min(320px, 100%);
        margin: 0 auto;
    }

    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 840px) {
    .header-inner { min-height: 82px; }

    .mobile-nav-toggle {
        display: block;
        order: 3;
    }

    .main-nav {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 16px;
        border: 1px solid rgba(0, 154, 156, .14);
        border-radius: 18px;
        background: #ffffff;
        box-shadow: var(--shadow-card);
    }

    .main-nav.open { display: flex; }
    .main-nav a { padding: 11px 12px; }
    .mobile-nav-actions {
        display: grid;
        gap: 10px;
        padding-top: 12px;
        margin-top: 8px;
        border-top: 1px solid rgba(0, 154, 156, .12);
    }
    .mobile-nav-actions .btn {
        width: 100%;
        min-height: 48px;
    }
    .nav-buttons { display: none; }
    .brand { align-self: center; }
    .logo-img { height: 62px; }
    .hero { padding-top: 54px; }

    .app-preview {
        grid-template-columns: 56px 1fr;
        min-height: 390px;
    }

    .preview-sidebar { padding-inline: 10px; }
    .preview-main { padding: 18px; }
    .preview-panels { grid-template-columns: 1fr; }

    .floating-note {
        position: static;
        width: auto;
        margin-top: 14px;
    }
}

@media (max-width: 640px) {
    .container { width: min(100% - 28px, 1180px); }
    .section { padding: 70px 0; }
    .hero h1 { font-size: clamp(2.4rem, 13vw, 3.5rem); }

    .hero-actions,
    .hero-actions.center {
        align-items: stretch;
        flex-direction: column;
    }

    .btn { width: 100%; }

    .benefits-grid,
    .proof-grid,
    .modules-grid,
    .pricing-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .browser-card {
        padding: 8px;
        border-radius: 24px;
        transform: none;
    }

    .app-preview { grid-template-columns: 1fr; }
    .preview-sidebar { display: none; }
    .preview-stats { grid-template-columns: 1fr; }

    .showcase-card,
    .plan-card {
        padding: 24px;
    }

    .final-cta-card { padding: 42px 20px; }
}