:root {
    --primary: #0f62fe;
    --primary-hover: #0353e9;
    --dark-90: #161616;
    --dark-80: #262626;
    --light-10: #f4f4f4;
    --light-20: #e0e0e0;
    --white: #ffffff;
    --surface-soft: #f7f9fc;
    --border: #d9e0e8;
    --text-main: #161616;
    --text-secondary: #525252;
    --text-muted: #6f6f6f;
    --shadow-soft: 0 24px 60px rgba(15, 23, 35, 0.12);
    --shadow-card: 0 16px 36px rgba(15, 23, 35, 0.08);
    --transition: all 0.25s cubic-bezier(0.2, 0, 0.38, 0.9);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "IBM Plex Sans", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at top left, rgba(15, 98, 254, 0.1), transparent 28%),
        radial-gradient(circle at top right, rgba(15, 98, 254, 0.07), transparent 22%),
        var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

[id] {
    scroll-margin-top: 96px;
}

.container {
    width: min(1200px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    min-height: 72px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(224, 224, 224, 0.9);
}

.header-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    margin-left: 20px;
}

.brand img {
    width: clamp(132px, 13vw, 178px);
    height: auto;
}

.brand span {
    color: var(--dark-90);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.site-nav a {
    padding: 0.78rem 1rem;
    border-radius: 999px;
    color: var(--text-main);
    font-size: 0.92rem;
    transition: var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--primary);
    background: rgba(15, 98, 254, 0.06);
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    font-weight: 600;
    box-shadow: 0 12px 30px rgba(15, 98, 254, 0.2);
}

.nav-cta:hover,
.nav-cta:focus-visible {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.hero-section {
    position: relative;
    padding: 100px 0 92px;
    overflow: hidden;
    background: linear-gradient(180deg, #f4f6fa 0%, #ffffff 72%);
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 78% 24%, rgba(15, 98, 254, 0.16), transparent 24%),
        radial-gradient(circle at 88% 74%, rgba(3, 83, 233, 0.08), transparent 18%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
}

.hero-copy {
    animation: fade-up 0.7s ease both;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.95rem;
    margin-bottom: 1.5rem;
    border-radius: 999px;
    background: rgba(15, 98, 254, 0.08);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-copy h1 {
    max-width: 11ch;
    margin-bottom: 1.5rem;
    color: var(--dark-90);
    font-size: clamp(2.85rem, 5vw, 4.6rem);
    line-height: 1.02;
    font-weight: 600;
    letter-spacing: -0.04em;
}

.hero-text {
    max-width: 57ch;
    margin-bottom: 2.25rem;
    color: var(--text-secondary);
    font-size: 1.15rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0.95rem 1.5rem;
    border-radius: 12px;
    font-size: 0.96rem;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--dark-90);
    color: var(--white);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: var(--dark-80);
}

.hero-highlights {
    display: flex;
    gap: 1rem 1.6rem;
    flex-wrap: wrap;
}

.hero-highlights small {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 600;
}

.hero-highlights small::before {
    content: "";
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 999px;
    background: var(--primary);
}

.hero-visual {
    position: relative;
    min-height: 520px;
    animation: fade-up 0.9s ease both;
}

.browser-mockup {
    overflow: hidden;
    border: 1px solid rgba(217, 224, 232, 0.8);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.browser-primary {
    width: min(100%, 620px);
    margin-left: auto;
}

.mock-header {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    background: var(--light-10);
    border-bottom: 1px solid rgba(224, 224, 224, 0.9);
}

.mock-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #c6c6c6;
}

.mock-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.95rem 1.15rem;
    background: linear-gradient(90deg, rgba(15, 98, 254, 0.08), rgba(255, 255, 255, 0));
    color: #5a6776;
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.mock-screen img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.floating-preview {
    position: absolute;
    border: 1px solid rgba(217, 224, 232, 0.9);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 20px 40px rgba(15, 23, 35, 0.12);
}

.floating-preview span,
.screen-label,
.section-kicker,
.contact-card span,
.diff-item h4 {
    display: block;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.floating-preview-top {
    top: 48px;
    left: 0;
    max-width: 260px;
    padding: 1.15rem 1.2rem;
    animation: float 5s ease-in-out infinite;
}

.floating-preview strong {
    display: block;
    margin: 0.35rem 0 0.45rem;
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.3;
}

.floating-preview p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.55;
}

.floating-preview-bottom {
    right: 18px;
    bottom: 18px;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 280px;
    padding: 0.9rem;
    animation: float 6s ease-in-out infinite reverse;
}

.mini-frame {
    width: 108px;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid rgba(217, 224, 232, 0.95);
    border-radius: 12px;
    background: var(--white);
}

.mini-frame img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.section {
    padding: 116px 0;
}

.section-light {
    background: var(--white);
}

.section-header {
    max-width: 740px;
    margin-bottom: 72px;
}

.section-header h2 {
    margin-bottom: 1.35rem;
    color: var(--dark-90);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 1.08;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.4rem 2rem;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(15, 98, 254, 0.45);
    box-shadow: 0 26px 56px rgba(15, 23, 35, 0.1);
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin-bottom: 1.5rem;
    border-radius: 14px;
    background: rgba(15, 98, 254, 0.08);
    color: var(--primary);
}

.feature-icon svg {
    width: 26px;
    height: 26px;
}

.feature-card h3 {
    margin-bottom: 0.95rem;
    color: var(--dark-90);
    font-size: 1.28rem;
    line-height: 1.3;
    font-weight: 600;
}

.feature-card p,
.screen-copy p,
.diff-item p,
.contact-card p {
    color: var(--text-secondary);
    font-size: 0.97rem;
}

.section-gallery {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f5f7fb 100%);
}

.section-gallery::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 98, 254, 0.04), transparent 38%);
    pointer-events: none;
}

.section-gallery .container {
    position: relative;
}

.screen-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
    align-items: stretch;
}

.screen-card {
    grid-column: span 3;
    height: 100%;
    overflow: hidden;
    border: 1px solid rgba(217, 224, 232, 0.95);
    border-radius: 24px;
    background: var(--white);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.screen-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 28px 60px rgba(15, 23, 35, 0.12);
}

.screen-card-wide {
    grid-column: span 6;
}

.screen-frame {
    position: relative;
    background: #101820;
}

.screen-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16, 24, 32, 0), rgba(16, 24, 32, 0.08));
    pointer-events: none;
}

.screen-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.screen-card-wide img {
    aspect-ratio: 16 / 11;
}

.screen-copy {
    padding: 1.5rem;
}

.screen-label {
    display: inline-flex;
    padding: 0.35rem 0.7rem;
    margin-bottom: 0.9rem;
    border-radius: 999px;
    background: rgba(15, 98, 254, 0.08);
}

.screen-copy h3 {
    margin-bottom: 0.65rem;
    color: var(--dark-90);
    font-size: 1.22rem;
    line-height: 1.28;
}

.section-dark {
    position: relative;
    overflow: hidden;
    background: var(--dark-90);
    color: var(--white);
}

.section-dark::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at left top, rgba(15, 98, 254, 0.2), transparent 28%),
        radial-gradient(circle at right center, rgba(124, 178, 255, 0.1), transparent 24%);
    pointer-events: none;
}

.section-dark .container {
    position: relative;
}

.section-dark .section-kicker,
.section-dark .diff-item h4 {
    color: #7cb2ff;
}

.company-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 8vw, 6rem);
    align-items: start;
}

.company-lead {
    max-width: 18ch;
    color: var(--white);
    font-size: clamp(1.8rem, 3vw, 2.25rem);
    font-weight: 300;
    line-height: 1.4;
}

.company-lead span {
    color: var(--primary);
}

.differential-list {
    display: grid;
    gap: 2rem;
}

.diff-item {
    padding-bottom: 1.7rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.diff-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.diff-item h4 {
    margin-bottom: 0.55rem;
}

.diff-item p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.02rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.contact-card {
    min-height: 100%;
    padding: 2rem;
    border: 1px solid rgba(217, 224, 232, 0.95);
    border-bottom: 4px solid transparent;
    border-radius: 22px;
    background: var(--surface-soft);
    transition: var(--transition);
}

.contact-card:hover,
.contact-card:focus-visible {
    transform: translateY(-5px);
    border-color: rgba(15, 98, 254, 0.2);
    border-bottom-color: var(--primary);
    background: var(--white);
    box-shadow: 0 24px 50px rgba(15, 23, 35, 0.08);
}

.contact-card span {
    margin-bottom: 1rem;
}

.contact-card strong {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--dark-90);
    font-size: 1.12rem;
    line-height: 1.35;
}

.site-footer {
    padding: 42px 0 56px;
    border-top: 1px solid rgba(224, 224, 224, 0.9);
    background: var(--white);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

@media (max-width: 1180px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        text-align: center;
    }

    .hero-copy h1,
    .hero-text {
        max-width: none;
    }

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

    .hero-visual {
        width: 100%;
        max-width: 760px;
        min-height: 0;
        margin: 0 auto;
    }

    .floating-preview-top {
        left: 1rem;
    }
}

@media (max-width: 1024px) {
    .feature-grid,
    .screen-grid,
    .company-split,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .screen-card,
    .screen-card-wide {
        grid-column: auto;
    }

    .section {
        padding: 88px 0;
    }

    .section-header {
        margin-bottom: 54px;
    }

    .company-lead {
        max-width: 100%;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 1.25rem, 1200px);
    }

    .site-header {
        padding: 1rem 0;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .brand {
        width: 100%;
        justify-content: space-between;
        gap: 0.8rem;
    }

    .brand span {
        text-align: right;
    }

    .site-nav {
        width: 100%;
        justify-content: flex-start;
    }

    .site-nav a {
        padding: 0.72rem 0.9rem;
    }

    .hero-section {
        padding: 72px 0 64px;
    }

    .hero-copy {
        text-align: left;
    }

    .hero-copy h1 {
        max-width: 100%;
        font-size: clamp(2.3rem, 11vw, 3.4rem);
    }

    .hero-text,
    .section-header p,
    .feature-card p,
    .screen-copy p,
    .diff-item p,
    .contact-card p {
        font-size: 0.96rem;
    }

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

    .hero-actions,
    .hero-highlights {
        justify-content: flex-start;
    }

    .btn {
        width: 100%;
    }

    .hero-visual {
        max-width: none;
    }

    .browser-primary {
        width: 100%;
    }

    .floating-preview-top,
    .floating-preview-bottom {
        position: static;
        max-width: none;
        min-width: 0;
        margin-top: 1rem;
        animation: none;
    }

    .floating-preview-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .mini-frame {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .hero-highlights {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.65rem;
    }

    .feature-card,
    .screen-copy,
    .contact-card {
        padding: 1.5rem;
    }

    .screen-card img,
    .screen-card-wide img,
    .mock-screen img {
        aspect-ratio: 16 / 10;
    }
}