:root {
    --bg: #fbf7f0;
    --surface: rgba(255, 251, 245, 0.78);
    --surface-strong: #fffdf8;
    --surface-dark: #2d3556;
    --text: #27304a;
    --muted: #6b6d84;
    --line: rgba(69, 78, 114, 0.12);
    --line-strong: #19865e33;
    --accent: #56c3bd;
    --accent-soft: rgba(86, 195, 189, 0.18);
    --accent-warm: #ffb95b;
    --accent-rose: #f77787;
    --accent-deep: #b95b67;
    --accent-gold: #f1c86a;
    --shadow-soft: 0 20px 60px rgba(56, 63, 101, 0.09);
    --shadow-strong: 0 28px 80px rgba(56, 63, 101, 0.18);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --max-width: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Manrope', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(255, 185, 91, 0.18), transparent 24%),
        radial-gradient(circle at top right, rgba(86, 195, 189, 0.18), transparent 22%),
        radial-gradient(circle at 20% 80%, rgba(247, 119, 135, 0.12), transparent 18%),
        linear-gradient(180deg, #fffaf2 0%, #f8f2ea 44%, #f3f6fb 100%);
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    width: 32vw;
    height: 32vw;
    border-radius: 999px;
    pointer-events: none;
    filter: blur(40px);
    opacity: 0.45;
    z-index: -1;
    animation: floatAura 16s ease-in-out infinite;
}

body::before {
    top: 12%;
    left: -10%;
    background: rgba(255, 185, 91, 0.22);
}

body::after {
    right: -8%;
    bottom: 10%;
    background: rgba(86, 195, 189, 0.2);
    animation-delay: -7s;
}

body.menu-open {
    overflow: hidden;
}

img,
video {
    display: block;
    max-width: 100%;
}

video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 60;
    pointer-events: none;
}

.scroll-progress-bar {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-warm), var(--accent-rose));
    box-shadow: 0 0 18px rgba(255, 185, 91, 0.5);
    transition: width 0.12s linear;
}

.site-shell {
    position: relative;
    min-height: 100vh;
}

.section-frame {
    width: min(calc(100% - 32px), var(--max-width));
    margin: 0 auto;
}

[id] {
    scroll-margin-top: 118px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    padding: 18px 0;
    transition: padding 0.25s ease;
}

.site-header.is-scrolled {
    padding: 10px 0;
}

.nav-wrap {
    width: min(calc(100% - 24px), 1240px);
    margin: 0 auto;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: rgba(255, 252, 246, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 999px;
    box-shadow: 0 18px 50px rgba(56, 63, 101, 0.08);
    backdrop-filter: blur(18px);
    transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.site-header.is-scrolled .nav-wrap {
    background: rgba(255, 250, 242, 0.9);
    box-shadow: 0 22px 56px rgba(56, 63, 101, 0.12);
    transform: translateY(-1px);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-icon-wrap {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 14px 28px rgba(86, 195, 189, 0.18);
    transform: rotate(1deg);
}

.brand-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 999px;
    transition: color 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text);
    background: rgba(255, 255, 255, 0.82);
    transform: translateY(-1px);
}

.site-nav .nav-cta {
    background: linear-gradient(135deg, var(--accent-rose), var(--accent-warm));
    color: #fff;
    box-shadow: 0 14px 28px rgba(247, 119, 135, 0.24);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
    background: linear-gradient(135deg, #f38a97, #ffc76e);
    color: #fff;
}

.menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
}

.hero-section {
    position: relative;
    padding: 64px 0 48px;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 90px 0 auto;
    width: min(1192px, calc(100% - 8px));
    height: 520px;
    left: calc(50% - 36px);
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.18));
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 40px;
    z-index: -1;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
    gap: 32px;
    align-items: center;
    padding: 72px 0 56px;
}

.hero-copy h1,
.section-heading h2,
.split-layout h2,
.demo-panel h2,
.contact-panel h2 {
    margin: 0;
    font-size: clamp(2.7rem, 5.5vw, 5.6rem);
    line-height: 1.06;
    letter-spacing: -0.05em;
    max-width: 10.5ch;
}

.section-heading h2,
.split-layout h2,
.demo-panel h2,
.contact-panel h2 {
    max-width: 14ch;
    font-size: clamp(2rem, 4vw, 3.8rem);
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--accent-deep);
    font-size: 0.83rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-lead,
.section-heading p,
.split-layout p,
.demo-panel p,
.contact-panel p,
.feature-card p,
.testimonial-card p,
.video-caption,
.check-panel p,
.demo-card p {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.hero-copy {
    padding-right: 16px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 32px 0 26px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.42) 48%, transparent 100%);
    transform: translateX(-120%);
    transition: transform 0.75s ease;
    z-index: -1;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button:hover::after,
.button:focus-visible::after {
    transform: translateX(120%);
}

.button-primary {
    background: linear-gradient(135deg, var(--accent-rose), var(--accent-warm));
    color: #fff;
    box-shadow: 0 20px 38px rgba(247, 119, 135, 0.24);
}

.button-primary:hover,
.button-primary:focus-visible {
    box-shadow: 0 24px 42px rgba(247, 119, 135, 0.3);
}

.button-secondary {
    background: linear-gradient(135deg, rgba(247, 119, 135, 0.16), rgba(255, 185, 91, 0.18));
    border: 1px solid rgba(247, 119, 135, 0.2);
}

.hero-points {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.hero-points li {
    position: relative;
    padding-left: 28px;
    color: var(--muted);
    line-height: 1.7;
}

.hero-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
}

.hero-product {
    position: relative;
    min-height: 520px;
    perspective: 1200px;
    display: grid;
    gap: 20px;
    align-content: center;
}

.product-card {
    position: relative;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    overflow: hidden;
}

.product-card-main {
    min-height: 440px;
    padding: 34px;
    background:
        linear-gradient(180deg, rgba(255, 252, 244, 0.94), rgba(245, 248, 252, 0.86)),
        url('Imágenes/Imagotipo BANDA Nexo 7.jpg') center/cover;
    animation: gentleFloat 8s ease-in-out infinite;
}

.product-card-main h2 {
    margin: 8px 0 28px;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    line-height: 1.08;
    max-width: 11ch;
}

.product-glow {
    position: absolute;
    border-radius: 999px;
    filter: blur(24px);
    opacity: 0.55;
    pointer-events: none;
}

.product-glow-top {
    width: 180px;
    height: 180px;
    top: -42px;
    right: -32px;
    background: rgba(255, 185, 91, 0.32);
}

.product-glow-bottom {
    width: 140px;
    height: 140px;
    left: -26px;
    bottom: -24px;
    background: rgba(247, 119, 135, 0.28);
}

.product-label,
.demo-tag,
.section-note {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.product-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: auto;
}

.product-metrics article,
.check-panel div {
    padding: 18px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: var(--radius-md);
}

.product-metrics strong,
.proof-grid strong,
.check-panel strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.product-metrics span,
.proof-grid span,
.check-panel p,
.testimonial-card span,
.contact-line,
.footer-row p:last-child {
    color: var(--muted);
}

.product-card-float {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(100%, 300px);
    margin-left: auto;
    padding: 24px;
    box-shadow: var(--shadow-strong);
    animation: driftCard 10s ease-in-out infinite;
}

.product-flow {
    display: grid;
    gap: 14px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.product-flow li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    line-height: 1.5;
}

.product-flow span {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-deep);
    font-weight: 800;
    flex-shrink: 0;
}

.proof-strip {
    padding: 10px 0 24px;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.proof-grid article,
.feature-card,
.testimonial-card,
.contact-card,
.video-card,
.instagram-card,
.demo-card,
.check-panel {
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    transform: perspective(1000px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg));
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.feature-card:hover {
    border-color: rgba(86, 195, 189, 0.32);
    box-shadow: 0 26px 64px rgba(56, 63, 101, 0.14);
}

.proof-grid article {
    padding: 24px 26px;
}

.content-section {
    position: relative;
    padding: 54px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.45);
}

#sistema {
    background: linear-gradient(180deg, rgba(255, 250, 244, 0.56), rgba(255, 255, 255, 0));
}

#video {
    background: linear-gradient(180deg, rgba(86, 195, 189, 0.08), rgba(255, 255, 255, 0));
}

#carrusel {
    background:
        radial-gradient(circle at 50% 22%, rgba(86, 195, 189, 0.16), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
}

#demo {
    background: linear-gradient(180deg, rgba(255, 185, 91, 0.1), rgba(255, 255, 255, 0));
}

#demo.alt-section::before {
    display: none;
}

#instagram {
    background: linear-gradient(180deg, rgba(68, 91, 157, 0.07), rgba(255, 255, 255, 0));
}

#contacto {
    background: linear-gradient(180deg, rgba(247, 119, 135, 0.07), rgba(255, 255, 255, 0));
}

.alt-section {
    position: relative;
}

.alt-section::before {
    content: '';
    position: absolute;
    inset: 32px 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-intro-center,
.section-heading.centered {
    align-items: center;
    text-align: center;
}

.section-intro-center h2,
.section-heading.centered h2,
.section-intro h2 {
    max-width: 14ch;
}

.section-intro-center h2,
.section-heading.centered h2 {
    margin-left: auto;
    margin-right: auto;
}

.section-heading.centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.coverflow-section {
    overflow: hidden;
}

.coverflow-shell {
    position: relative;
    z-index: 2;
    border-radius: 40px;
    transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.coverflow-trigger,
.coverflow-close,
.coverflow-backdrop {
    border: 0;
    cursor: pointer;
}

.coverflow-trigger {
    position: absolute;
    inset: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 40px;
    background: rgba(17, 24, 39, 0);
    color: #fff;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.3s ease, background-color 0.3s ease;
}

.coverflow-trigger span {
    padding: 16px 24px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(12px);
    transform: translateY(10px);
    transition: transform 0.3s ease;
}

.coverflow-close {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 45;
    width: 46px;
    height: 46px;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(86, 195, 189, 0.9), rgba(255, 185, 91, 0.88));
    color: var(--surface-dark);
    box-shadow: 0 16px 34px rgba(39, 48, 74, 0.18);
}

.coverflow-close span {
    display: block;
    font-size: 1.8rem;
    line-height: 1;
    transform: translateY(-1px);
}

.coverflow-close:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.85);
    outline-offset: 3px;
}

.coverflow-shell:hover .coverflow-trigger,
.coverflow-trigger:focus-visible,
.coverflow-shell.is-expanded .coverflow-trigger {
    opacity: 1;
}

.coverflow-shell:hover .coverflow-trigger,
.coverflow-trigger:focus-visible {
    background: rgba(17, 24, 39, 0.4);
}

.coverflow-shell:hover .coverflow-trigger span,
.coverflow-trigger:focus-visible span,
.coverflow-shell.is-expanded .coverflow-trigger span {
    transform: translateY(0);
}

.coverflow-shell.is-expanded .coverflow-trigger {
    opacity: 0;
    background: rgba(17, 24, 39, 0);
    pointer-events: none;
}

.coverflow-shell.is-expanded .coverflow-close {
    display: none;
}

.coverflow {
    position: relative;
    height: 620px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1800px;
    transform-style: preserve-3d;
    outline: none;
    overflow: hidden;
    border-radius: 40px;
    isolation: isolate;
    transition: height 0.45s ease, border-radius 0.45s ease, box-shadow 0.45s ease;
}

.coverflow::before {
    content: '';
    position: absolute;
    inset: auto 10% 22px;
    height: 72px;
    background: radial-gradient(circle at center, rgba(39, 48, 74, 0.18), transparent 68%);
    filter: blur(22px);
    pointer-events: none;
}

.coverflow-item {
    --offset: 0;
    --abs-offset: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(36vw, 448px);
    aspect-ratio: 9 / 18.5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 28px;
    overflow: hidden;
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 253, 0.94)),
        linear-gradient(145deg, rgba(86, 195, 189, 0.14), rgba(255, 185, 91, 0.12), rgba(247, 119, 135, 0.12));
    box-shadow: 0 30px 90px rgba(39, 48, 74, 0.18);
    cursor: pointer;
    transform-origin: center center;
    transform:
        translate(-50%, -50%)
        translateX(calc(var(--offset) * 35%))
        translateZ(calc((2 - var(--abs-offset)) * 120px))
        rotateY(calc(var(--offset) * -38deg))
        scale(calc(1 - (var(--abs-offset) * 0.16)));
    opacity: calc(1 - (var(--abs-offset) * 0.22));
    filter: saturate(calc(1 - (var(--abs-offset) * 0.12))) blur(calc(var(--abs-offset) * 0.35px));
    transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.45s ease, filter 0.45s ease, box-shadow 0.45s ease;
}

.coverflow-backdrop {
    position: fixed;
    inset: 0;
    z-index: 80;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.coverflow-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

body.coverflow-expanded {
    overflow: hidden;
}

body.coverflow-expanded .coverflow-section .reveal,
body.coverflow-expanded .coverflow-section .reveal.is-visible {
    transform: none;
}

body.coverflow-expanded .coverflow-shell {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 90;
    width: min(calc(100vw - 72px), 1320px);
    transform: translate(-50%, -50%);
    pointer-events: auto;
}

body.coverflow-expanded .coverflow {
    --coverflow-expanded-height: min(92vh, 1200px);
    height: min(92vh, 1200px);
    border-radius: 44px;
    overflow: visible;
    box-shadow: 0 34px 120px rgba(17, 24, 39, 0.24);
}

body.coverflow-expanded .coverflow-item {
    height: calc(100% - 32px);
    width: min(calc((var(--coverflow-expanded-height) - 32px) * 0.4865), 460px);
    max-height: calc(100% - 32px);
    transform:
        translate(-50%, -50%)
        translateX(calc(var(--offset) * 36%))
        translateZ(calc((2 - var(--abs-offset)) * 148px))
        rotateY(calc(var(--offset) * -34deg))
        scale(calc(1 - (var(--abs-offset) * 0.12)));
}

.coverflow-item::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 8px;
    border-radius: inherit;
    background: linear-gradient(145deg, rgba(86, 195, 189, 0.88), rgba(255, 185, 91, 0.84), rgba(247, 119, 135, 0.82));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: calc(1 - (var(--abs-offset) * 0.16));
    pointer-events: none;
}

.coverflow-item::after {
    content: '';
    position: absolute;
    inset: 12px;
    border-radius: 22px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.72);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(17, 24, 39, 0.08));
    pointer-events: none;
}

.coverflow-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 18px;
    background: #ffffff;
}

body.coverflow-expanded .coverflow-item img {
    object-fit: contain;
    object-position: center center;
}

.coverflow-item.is-active {
    box-shadow: 0 42px 120px rgba(39, 48, 74, 0.24), 0 0 0 1px rgba(255, 255, 255, 0.8);
}

.coverflow-item.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.coverflow-item:focus-visible {
    outline: 3px solid rgba(86, 195, 189, 0.45);
    outline-offset: 8px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}

.feature-card {
    padding: 28px;
    height: auto;
}

.feature-accordion {
    padding: 0;
    overflow: hidden;
}

.feature-accordion summary {
    list-style: none;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 24px 28px;
    cursor: pointer;
}

.feature-accordion summary::-webkit-details-marker {
    display: none;
}

.feature-summary-copy {
    display: grid;
    gap: 4px;
}

.feature-summary-copy strong {
    font-size: 1.15rem;
    line-height: 1.2;
}

.feature-summary-copy span {
    color: var(--muted);
    font-size: 0.96rem;
}

.feature-toggle {
    position: relative;
    width: 18px;
    height: 18px;
}

.feature-toggle::before,
.feature-toggle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 2px;
    background: var(--accent-deep);
    border-radius: 999px;
    transform: translate(-50%, -50%);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.feature-toggle::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.feature-accordion[open] .feature-toggle::after {
    opacity: 0;
}

.feature-accordion p {
    margin: 0;
    padding: 0 28px 24px;
}

.feature-icon {
    display: inline-flex;
    min-width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(247, 119, 135, 0.2), rgba(255, 185, 91, 0.24));
    color: #9e4c58;
    font-weight: 800;
    margin-bottom: 0;
    align-self: center;
}

.feature-card h3,
.demo-card h3 {
    margin: 0 0 14px;
    font-size: 1.4rem;
    line-height: 1.2;
}

.split-layout,
.demo-panel,
.contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
    gap: 26px;
    align-items: center;
}

#video .split-layout > .video-card {
    order: -1;
}

.check-panel {
    padding: 24px;
    display: grid;
    gap: 16px;
}

.check-panel p {
    margin: 0;
    font-size: 0.98rem;
}

.video-card,
.instagram-card,
.contact-card,
.demo-card {
    padding: 22px;
}

.video-shell {
    overflow: hidden;
    border-radius: 22px;
    background: linear-gradient(135deg, #f9efe2, #eef4fb);
    min-height: 320px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65);
}

.video-shell video {
    min-height: 320px;
}

.video-caption {
    margin: 14px 4px 0;
}

.demo-panel {
    align-items: center;
}

.demo-card {
    display: grid;
    gap: 18px;
    align-content: start;
}

.demo-link {
    position: relative;
    display: block;
    border-radius: 22px;
    overflow: hidden;
}

.demo-preview-shell {
    position: relative;
    display: block;
    width: 100%;
    height: 260px;
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid rgba(69, 78, 114, 0.12);
    background: linear-gradient(135deg, #f9efe2, #eef4fb);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65);
}

.demo-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease, filter 0.35s ease;
}

.demo-preview-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: #fff;
    text-align: center;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: linear-gradient(180deg, rgba(39, 48, 74, 0.08), rgba(39, 48, 74, 0.42));
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, background-color 0.3s ease;
}

.demo-link:hover .demo-preview-image,
.demo-link:focus-visible .demo-preview-image {
    transform: scale(1.03);
    filter: brightness(0.84);
}

.demo-link:hover .demo-preview-overlay,
.demo-link:focus-visible .demo-preview-overlay {
    opacity: 1;
    visibility: visible;
}

.instagram-card {
    min-height: 320px;
}

.inline-link {
    display: inline-flex;
    margin-top: 8px;
    font-weight: 700;
    color: var(--accent-deep);
}

.instagram-link {
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 12px 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(247, 119, 135, 0.14), rgba(255, 185, 91, 0.16));
    border: 1px solid rgba(247, 119, 135, 0.14);
    box-shadow: 0 14px 28px rgba(247, 119, 135, 0.08);
    font-size: 1.1rem;
    line-height: 1;
}

.instagram-link-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.testimonial-card {
    padding: 30px;
}

.testimonial-card p {
    margin: 0 0 22px;
    font-size: 1.05rem;
}

.testimonial-card strong {
    display: block;
    margin-bottom: 6px;
    font-size: 1.1rem;
}

.contact-section {
    padding-bottom: 78px;
}

.contact-card {
    display: grid;
    gap: 16px;
    align-content: center;
    justify-items: center;
    text-align: center;
}

.contact-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    width: 100%;
    padding: 0 18px;
    border-radius: 18px;
    border: 1px solid var(--line-strong);
    background: rgba(255, 255, 255, 0.88);
    font-weight: 700;
}

.site-footer {
    padding: 0 0 32px;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 22px 0;
    border-top: 1px solid rgba(16, 24, 38, 0.08);
}

.footer-row p {
    margin: 0;
    font-size: 0.95rem;
}

.footer-row p:last-child {
    text-align: right;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes floatAura {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(2vw, -2vw, 0) scale(1.08);
    }
}

@keyframes gentleFloat {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

@keyframes driftCard {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@media (max-width: 1024px) {
    .hero-grid,
    .split-layout,
    .demo-panel,
    .contact-panel {
        grid-template-columns: 1fr;
    }

    #video .split-layout > .video-card {
        order: 0;
    }

    .hero-copy {
        padding-right: 0;
    }

    .hero-copy h1,
    .section-heading h2,
    .split-layout h2,
    .demo-panel h2,
    .contact-panel h2 {
        max-width: none;
    }

    .feature-grid,
    .testimonial-grid,
    .proof-grid {
        grid-template-columns: 1fr 1fr;
    }

    .product-card-float {
        position: static;
        margin-top: 18px;
        width: 100%;
        margin-left: 0;
        animation: none;
    }

    .coverflow {
        height: 560px;
    }

    .coverflow-item {
        width: min(42vw, 400px);
        padding: 16px;
        transform:
            translate(-50%, -50%)
            translateX(calc(var(--offset) * 32%))
            translateZ(calc((2 - var(--abs-offset)) * 96px))
            rotateY(calc(var(--offset) * -32deg))
            scale(calc(1 - (var(--abs-offset) * 0.15)));
    }

    body.coverflow-expanded .coverflow-shell {
        width: min(calc(100vw - 40px), 1100px);
    }

    body.coverflow-expanded .coverflow {
        --coverflow-expanded-height: min(88vh, 980px);
        height: min(88vh, 980px);
    }

    body.coverflow-expanded .coverflow-item {
        height: calc(100% - 28px);
        width: min(calc((var(--coverflow-expanded-height) - 28px) * 0.4865), 400px);
    }

    .hero-product {
        min-height: auto;
    }
}

@media (max-width: 820px) {
    .site-header {
        padding-top: 14px;
    }

    .nav-wrap {
        border-radius: 28px;
        padding: 12px 14px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 12px);
        left: 12px;
        right: 12px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 28px;
        background: rgba(255, 251, 245, 0.96);
        border: 1px solid rgba(255, 255, 255, 0.7);
        box-shadow: var(--shadow-soft);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 720px) {
    .hero-section {
        padding-top: 36px;
    }

    .hero-copy {
        padding-top: 8px;
    }

    .hero-grid {
        padding: 34px 0 28px;
        gap: 22px;
    }

    .hero-section::before {
        inset: 70px 0 auto;
        height: 434px;
    }

    .hero-copy h1,
    .section-heading h2,
    .split-layout h2,
    .demo-panel h2,
    .contact-panel h2 {
        font-size: clamp(2.2rem, 12vw, 3.5rem);
        line-height: 1.08;
    }

    .hero-copy h1 {
        line-height: 1.14;
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .product-card-main {
        min-height: 340px;
        padding: 24px;
        animation: none;
    }

    .product-metrics,
    .feature-grid,
    .testimonial-grid,
    .proof-grid {
        grid-template-columns: 1fr;
    }

    .feature-accordion summary {
        padding: 20px;
    }

    .section-intro,
    .section-intro-center {
        align-items: flex-start;
        text-align: left;
    }

    .section-intro-center h2 {
        margin-left: 0;
        margin-right: 0;
    }

    .feature-accordion p {
        padding: 0 20px 20px;
    }

    .content-section {
        padding: 40px 0;
    }

    .coverflow {
        height: 460px;
        perspective: 1200px;
    }

    .coverflow::before {
        inset: auto 6% 12px;
        height: 56px;
    }

    .coverflow-item {
        width: min(72vw, 320px);
        padding: 14px;
        border-radius: 24px;
        transform:
            translate(-50%, -50%)
            translateX(calc(var(--offset) * 42%))
            translateZ(calc((2 - var(--abs-offset)) * 52px))
            rotateY(calc(var(--offset) * -22deg))
            scale(calc(1 - (var(--abs-offset) * 0.12)));
        opacity: calc(1 - (var(--abs-offset) * 0.18));
    }

    .coverflow-trigger {
        border-radius: 28px;
        font-size: 0.92rem;
        letter-spacing: 0.14em;
    }

    .coverflow-trigger span {
        padding: 14px 20px;
    }

    body.coverflow-expanded .coverflow-shell {
        width: min(calc(100vw - 24px), 760px);
    }

    body.coverflow-expanded .coverflow {
        --coverflow-expanded-height: min(84vh, 760px);
        height: min(84vh, 760px);
        border-radius: 30px;
    }

    body.coverflow-expanded .coverflow-item {
        height: calc(100% - 24px);
        width: min(calc((var(--coverflow-expanded-height) - 24px) * 0.4865), 320px);
        padding: 12px;
        transform:
            translate(-50%, -50%)
            translateX(calc(var(--offset) * 42%))
            translateZ(calc((2 - var(--abs-offset)) * 68px))
            rotateY(calc(var(--offset) * -18deg))
            scale(calc(1 - (var(--abs-offset) * 0.09)));
    }

    .coverflow-shell:not(.is-expanded) .coverflow-trigger,
    .coverflow-shell:not(.is-expanded):hover .coverflow-trigger {
        opacity: 1;
        background: rgba(17, 24, 39, 0.34);
    }

    .coverflow-shell:not(.is-expanded) .coverflow-trigger span,
    .coverflow-shell:not(.is-expanded):hover .coverflow-trigger span {
        transform: translateY(0);
    }

    .coverflow-shell.is-expanded .coverflow-trigger {
        opacity: 0;
        background: rgba(17, 24, 39, 0);
        pointer-events: none;
    }

    .coverflow-shell.is-expanded .coverflow-close {
        display: inline-flex;
    }

    .video-shell,
    .video-shell video,
    .instagram-card,
    .demo-preview-shell {
        min-height: 240px;
    }

    .footer-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-row p:last-child {
        text-align: left;
    }

    body::before,
    body::after {
        width: 52vw;
        height: 52vw;
    }
}

@media (hover: none) {
    .coverflow-shell:not(.is-expanded) .coverflow-trigger,
    .coverflow-shell:not(.is-expanded):hover .coverflow-trigger {
        opacity: 1;
        background: rgba(17, 24, 39, 0.34);
    }

    .coverflow-shell:not(.is-expanded) .coverflow-trigger span,
    .coverflow-shell:not(.is-expanded):hover .coverflow-trigger span {
        transform: translateY(0);
    }

    .coverflow-shell.is-expanded .coverflow-trigger {
        opacity: 0;
        background: rgba(17, 24, 39, 0);
        pointer-events: none;
    }
}